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-<?php
-/*=======================================================================
- // File: JPGRAPH_GANTT.PHP
- // Description: JpGraph Gantt plot extension
- // Created: 2001-11-12
- // Ver: $Id: jpgraph_gantt.php 1809 2009-09-09 13:07:33Z ljp $
- //
- // Copyright (c) Asial Corporation. All rights reserved.
- //========================================================================
- */
-
-require_once('jpgraph_plotband.php');
-require_once('jpgraph_iconplot.php');
-require_once('jpgraph_plotmark.inc.php');
-
-// Maximum size for Automatic Gantt chart
-define('MAX_GANTTIMG_SIZE_W',8000);
-define('MAX_GANTTIMG_SIZE_H',5000);
-
-// Scale Header types
-define("GANTT_HDAY",1);
-define("GANTT_HWEEK",2);
-define("GANTT_HMONTH",4);
-define("GANTT_HYEAR",8);
-define("GANTT_HHOUR",16);
-define("GANTT_HMIN",32);
-
-// Bar patterns
-define("GANTT_RDIAG",BAND_RDIAG); // Right diagonal lines
-define("GANTT_LDIAG",BAND_LDIAG); // Left diagonal lines
-define("GANTT_SOLID",BAND_SOLID); // Solid one color
-define("GANTT_VLINE",BAND_VLINE); // Vertical lines
-define("GANTT_HLINE",BAND_HLINE); // Horizontal lines
-define("GANTT_3DPLANE",BAND_3DPLANE); // "3D" Plane
-define("GANTT_HVCROSS",BAND_HVCROSS); // Vertical/Hor crosses
-define("GANTT_DIAGCROSS",BAND_DIAGCROSS); // Diagonal crosses
-
-// Conversion constant
-define("SECPERDAY",3600*24);
-
-// Locales. ONLY KEPT FOR BACKWARDS COMPATIBILITY
-// You should use the proper locale strings directly
-// from now on.
-define("LOCALE_EN","en_UK");
-define("LOCALE_SV","sv_SE");
-
-// Layout of bars
-define("GANTT_EVEN",1);
-define("GANTT_FROMTOP",2);
-
-// Style for minute header
-define("MINUTESTYLE_MM",0); // 15
-define("MINUTESTYLE_CUSTOM",2); // Custom format
-
-
-// Style for hour header
-define("HOURSTYLE_HM24",0); // 13:10
-define("HOURSTYLE_HMAMPM",1); // 1:10pm
-define("HOURSTYLE_H24",2); // 13
-define("HOURSTYLE_HAMPM",3); // 1pm
-define("HOURSTYLE_CUSTOM",4); // User defined
-
-// Style for day header
-define("DAYSTYLE_ONELETTER",0); // "M"
-define("DAYSTYLE_LONG",1); // "Monday"
-define("DAYSTYLE_LONGDAYDATE1",2); // "Monday 23 Jun"
-define("DAYSTYLE_LONGDAYDATE2",3); // "Monday 23 Jun 2003"
-define("DAYSTYLE_SHORT",4); // "Mon"
-define("DAYSTYLE_SHORTDAYDATE1",5); // "Mon 23/6"
-define("DAYSTYLE_SHORTDAYDATE2",6); // "Mon 23 Jun"
-define("DAYSTYLE_SHORTDAYDATE3",7); // "Mon 23"
-define("DAYSTYLE_SHORTDATE1",8); // "23/6"
-define("DAYSTYLE_SHORTDATE2",9); // "23 Jun"
-define("DAYSTYLE_SHORTDATE3",10); // "Mon 23"
-define("DAYSTYLE_SHORTDATE4",11); // "23"
-define("DAYSTYLE_CUSTOM",12); // "M"
-
-// Styles for week header
-define("WEEKSTYLE_WNBR",0);
-define("WEEKSTYLE_FIRSTDAY",1);
-define("WEEKSTYLE_FIRSTDAY2",2);
-define("WEEKSTYLE_FIRSTDAYWNBR",3);
-define("WEEKSTYLE_FIRSTDAY2WNBR",4);
-
-// Styles for month header
-define("MONTHSTYLE_SHORTNAME",0);
-define("MONTHSTYLE_LONGNAME",1);
-define("MONTHSTYLE_LONGNAMEYEAR2",2);
-define("MONTHSTYLE_SHORTNAMEYEAR2",3);
-define("MONTHSTYLE_LONGNAMEYEAR4",4);
-define("MONTHSTYLE_SHORTNAMEYEAR4",5);
-define("MONTHSTYLE_FIRSTLETTER",6);
-
-
-// Types of constrain links
-define('CONSTRAIN_STARTSTART',0);
-define('CONSTRAIN_STARTEND',1);
-define('CONSTRAIN_ENDSTART',2);
-define('CONSTRAIN_ENDEND',3);
-
-// Arrow direction for constrain links
-define('ARROW_DOWN',0);
-define('ARROW_UP',1);
-define('ARROW_LEFT',2);
-define('ARROW_RIGHT',3);
-
-// Arrow type for constrain type
-define('ARROWT_SOLID',0);
-define('ARROWT_OPEN',1);
-
-// Arrow size for constrain lines
-define('ARROW_S1',0);
-define('ARROW_S2',1);
-define('ARROW_S3',2);
-define('ARROW_S4',3);
-define('ARROW_S5',4);
-
-// Activity types for use with utility method CreateSimple()
-define('ACTYPE_NORMAL',0);
-define('ACTYPE_GROUP',1);
-define('ACTYPE_MILESTONE',2);
-
-define('ACTINFO_3D',1);
-define('ACTINFO_2D',0);
-
-
-// Check if array_fill() exists
-if (!function_exists('array_fill')) {
- function array_fill($iStart, $iLen, $vValue) {
- $aResult = array();
- for ($iCount = $iStart; $iCount < $iLen + $iStart; $iCount++) {
- $aResult[$iCount] = $vValue;
- }
- return $aResult;
- }
-}
-
-//===================================================
-// CLASS GanttActivityInfo
-// Description:
-//===================================================
-class GanttActivityInfo {
- public $iShow=true;
- public $iLeftColMargin=4,$iRightColMargin=1,$iTopColMargin=1,$iBottomColMargin=3;
- public $vgrid = null;
- private $iColor='black';
- private $iBackgroundColor='lightgray';
- private $iFFamily=FF_FONT1,$iFStyle=FS_NORMAL,$iFSize=10,$iFontColor='black';
- private $iTitles=array();
- private $iWidth=array(),$iHeight=-1;
- private $iTopHeaderMargin = 4;
- private $iStyle=1;
- private $iHeaderAlign='center';
-
- function __construct() {
- $this->vgrid = new LineProperty();
- }
-
- function Hide($aF=true) {
- $this->iShow=!$aF;
- }
-
- function Show($aF=true) {
- $this->iShow=$aF;
- }
-
- // Specify font
- function SetFont($aFFamily,$aFStyle=FS_NORMAL,$aFSize=10) {
- $this->iFFamily = $aFFamily;
- $this->iFStyle = $aFStyle;
- $this->iFSize = $aFSize;
- }
-
- function SetStyle($aStyle) {
- $this->iStyle = $aStyle;
- }
-
- function SetColumnMargin($aLeft,$aRight) {
- $this->iLeftColMargin = $aLeft;
- $this->iRightColMargin = $aRight;
- }
-
- function SetFontColor($aFontColor) {
- $this->iFontColor = $aFontColor;
- }
-
- function SetColor($aColor) {
- $this->iColor = $aColor;
- }
-
- function SetBackgroundColor($aColor) {
- $this->iBackgroundColor = $aColor;
- }
-
- function SetColTitles($aTitles,$aWidth=null) {
- $this->iTitles = $aTitles;
- $this->iWidth = $aWidth;
- }
-
- function SetMinColWidth($aWidths) {
- $n = min(count($this->iTitles),count($aWidths));
- for($i=0; $i < $n; ++$i ) {
- if( !empty($aWidths[$i]) ) {
- if( empty($this->iWidth[$i]) ) {
- $this->iWidth[$i] = $aWidths[$i];
- }
- else {
- $this->iWidth[$i] = max($this->iWidth[$i],$aWidths[$i]);
- }
- }
- }
- }
-
- function GetWidth($aImg) {
- $txt = new TextProperty();
- $txt->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- $n = count($this->iTitles) ;
- $rm=$this->iRightColMargin;
- $w = 0;
- for($h=0, $i=0; $i < $n; ++$i ) {
- $w += $this->iLeftColMargin;
- $txt->Set($this->iTitles[$i]);
- if( !empty($this->iWidth[$i]) ) {
- $w1 = max($txt->GetWidth($aImg)+$rm,$this->iWidth[$i]);
- }
- else {
- $w1 = $txt->GetWidth($aImg)+$rm;
- }
- $this->iWidth[$i] = $w1;
- $w += $w1;
- $h = max($h,$txt->GetHeight($aImg));
- }
- $this->iHeight = $h+$this->iTopHeaderMargin;
- $txt='';
- return $w;
- }
-
- function GetColStart($aImg,&$aStart,$aAddLeftMargin=false) {
- $n = count($this->iTitles) ;
- $adj = $aAddLeftMargin ? $this->iLeftColMargin : 0;
- $aStart=array($aImg->left_margin+$adj);
- for( $i=1; $i < $n; ++$i ) {
- $aStart[$i] = $aStart[$i-1]+$this->iLeftColMargin+$this->iWidth[$i-1];
- }
- }
-
- // Adjust headers left, right or centered
- function SetHeaderAlign($aAlign) {
- $this->iHeaderAlign=$aAlign;
- }
-
- function Stroke($aImg,$aXLeft,$aYTop,$aXRight,$aYBottom,$aUseTextHeight=false) {
-
- if( !$this->iShow ) return;
-
- $txt = new TextProperty();
- $txt->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- $txt->SetColor($this->iFontColor);
- $txt->SetAlign($this->iHeaderAlign,'top');
- $n=count($this->iTitles);
-
- if( $n == 0 )
- return;
-
- $x = $aXLeft;
- $h = $this->iHeight;
- $yTop = $aUseTextHeight ? $aYBottom-$h-$this->iTopColMargin-$this->iBottomColMargin : $aYTop ;
-
- if( $h < 0 ) {
- JpGraphError::RaiseL(6001);
- //('Internal error. Height for ActivityTitles is < 0');
- }
-
- $aImg->SetLineWeight(1);
- // Set background color
- $aImg->SetColor($this->iBackgroundColor);
- $aImg->FilledRectangle($aXLeft,$yTop,$aXRight,$aYBottom-1);
-
- if( $this->iStyle == 1 ) {
- // Make a 3D effect
- $aImg->SetColor('white');
- $aImg->Line($aXLeft,$yTop+1,$aXRight,$yTop+1);
- }
-
- for($i=0; $i < $n; ++$i ) {
- if( $this->iStyle == 1 ) {
- // Make a 3D effect
- $aImg->SetColor('white');
- $aImg->Line($x+1,$yTop,$x+1,$aYBottom);
- }
- $x += $this->iLeftColMargin;
- $txt->Set($this->iTitles[$i]);
-
- // Adjust the text anchor position according to the choosen alignment
- $xp = $x;
- if( $this->iHeaderAlign == 'center' ) {
- $xp = (($x-$this->iLeftColMargin)+($x+$this->iWidth[$i]))/2;
- }
- elseif( $this->iHeaderAlign == 'right' ) {
- $xp = $x +$this->iWidth[$i]-$this->iRightColMargin;
- }
-
- $txt->Stroke($aImg,$xp,$yTop+$this->iTopHeaderMargin);
- $x += $this->iWidth[$i];
- if( $i < $n-1 ) {
- $aImg->SetColor($this->iColor);
- $aImg->Line($x,$yTop,$x,$aYBottom);
- }
- }
-
- $aImg->SetColor($this->iColor);
- $aImg->Line($aXLeft,$yTop, $aXRight,$yTop);
-
- // Stroke vertical column dividers
- $cols=array();
- $this->GetColStart($aImg,$cols);
- $n=count($cols);
- for( $i=1; $i < $n; ++$i ) {
- $this->vgrid->Stroke($aImg,$cols[$i],$aYBottom,$cols[$i],
- $aImg->height - $aImg->bottom_margin);
- }
- }
-}
-
-
-//===================================================
-// CLASS GanttGraph
-// Description: Main class to handle gantt graphs
-//===================================================
-class GanttGraph extends Graph {
- public $scale; // Public accessible
- public $hgrid=null;
- private $iObj=array(); // Gantt objects
- private $iLabelHMarginFactor=0.2; // 10% margin on each side of the labels
- private $iLabelVMarginFactor=0.4; // 40% margin on top and bottom of label
- private $iLayout=GANTT_FROMTOP; // Could also be GANTT_EVEN
- private $iSimpleFont = FF_FONT1,$iSimpleFontSize=11;
- private $iSimpleStyle=GANTT_RDIAG,$iSimpleColor='yellow',$iSimpleBkgColor='red';
- private $iSimpleProgressBkgColor='gray',$iSimpleProgressColor='darkgreen';
- private $iSimpleProgressStyle=GANTT_SOLID;
- private $iZoomFactor = 1.0;
- //---------------
- // CONSTRUCTOR
- // Create a new gantt graph
- function __construct($aWidth=0,$aHeight=0,$aCachedName="",$aTimeOut=0,$aInline=true) {
-
- // Backward compatibility
- if( $aWidth == -1 ) $aWidth=0;
- if( $aHeight == -1 ) $aHeight=0;
-
- if( $aWidth< 0 || $aHeight < 0 ) {
- JpgraphError::RaiseL(6002);
- //("You can't specify negative sizes for Gantt graph dimensions. Use 0 to indicate that you want the library to automatically determine a dimension.");
- }
- parent::__construct($aWidth,$aHeight,$aCachedName,$aTimeOut,$aInline);
- $this->scale = new GanttScale($this->img);
-
- // Default margins
- $this->img->SetMargin(15,17,25,15);
-
- $this->hgrid = new HorizontalGridLine();
-
- $this->scale->ShowHeaders(GANTT_HWEEK|GANTT_HDAY);
- $this->SetBox();
- }
-
- //---------------
- // PUBLIC METHODS
-
- //
-
- function SetSimpleFont($aFont,$aSize) {
- $this->iSimpleFont = $aFont;
- $this->iSimpleFontSize = $aSize;
- }
-
- function SetSimpleStyle($aBand,$aColor,$aBkgColor) {
- $this->iSimpleStyle = $aBand;
- $this->iSimpleColor = $aColor;
- $this->iSimpleBkgColor = $aBkgColor;
- }
-
- // A utility function to help create basic Gantt charts
- function CreateSimple($data,$constrains=array(),$progress=array()) {
- $num = count($data);
- for( $i=0; $i < $num; ++$i) {
- switch( $data[$i][1] ) {
- case ACTYPE_GROUP:
- // Create a slightly smaller height bar since the
- // "wings" at the end will make it look taller
- $a = new GanttBar($data[$i][0],$data[$i][2],$data[$i][3],$data[$i][4],'',8);
- $a->title->SetFont($this->iSimpleFont,FS_BOLD,$this->iSimpleFontSize);
- $a->rightMark->Show();
- $a->rightMark->SetType(MARK_RIGHTTRIANGLE);
- $a->rightMark->SetWidth(8);
- $a->rightMark->SetColor('black');
- $a->rightMark->SetFillColor('black');
-
- $a->leftMark->Show();
- $a->leftMark->SetType(MARK_LEFTTRIANGLE);
- $a->leftMark->SetWidth(8);
- $a->leftMark->SetColor('black');
- $a->leftMark->SetFillColor('black');
-
- $a->SetPattern(BAND_SOLID,'black');
- $csimpos = 6;
- break;
-
- case ACTYPE_NORMAL:
- $a = new GanttBar($data[$i][0],$data[$i][2],$data[$i][3],$data[$i][4],'',10);
- $a->title->SetFont($this->iSimpleFont,FS_NORMAL,$this->iSimpleFontSize);
- $a->SetPattern($this->iSimpleStyle,$this->iSimpleColor);
- $a->SetFillColor($this->iSimpleBkgColor);
- // Check if this activity should have a constrain line
- $n = count($constrains);
- for( $j=0; $j < $n; ++$j ) {
- if( empty($constrains[$j]) || (count($constrains[$j]) != 3) ) {
- JpGraphError::RaiseL(6003,$j);
- //("Invalid format for Constrain parameter at index=$j in CreateSimple(). Parameter must start with index 0 and contain arrays of (Row,Constrain-To,Constrain-Type)");
- }
- if( $constrains[$j][0]==$data[$i][0] ) {
- $a->SetConstrain($constrains[$j][1],$constrains[$j][2],'black',ARROW_S2,ARROWT_SOLID);
- }
- }
-
- // Check if this activity have a progress bar
- $n = count($progress);
- for( $j=0; $j < $n; ++$j ) {
-
- if( empty($progress[$j]) || (count($progress[$j]) != 2) ) {
- JpGraphError::RaiseL(6004,$j);
- //("Invalid format for Progress parameter at index=$j in CreateSimple(). Parameter must start with index 0 and contain arrays of (Row,Progress)");
- }
- if( $progress[$j][0]==$data[$i][0] ) {
- $a->progress->Set($progress[$j][1]);
- $a->progress->SetPattern($this->iSimpleProgressStyle,
- $this->iSimpleProgressColor);
- $a->progress->SetFillColor($this->iSimpleProgressBkgColor);
- //$a->progress->SetPattern($progress[$j][2],$progress[$j][3]);
- break;
- }
- }
- $csimpos = 6;
- break;
-
- case ACTYPE_MILESTONE:
- $a = new MileStone($data[$i][0],$data[$i][2],$data[$i][3]);
- $a->title->SetFont($this->iSimpleFont,FS_NORMAL,$this->iSimpleFontSize);
- $a->caption->SetFont($this->iSimpleFont,FS_NORMAL,$this->iSimpleFontSize);
- $csimpos = 5;
- break;
- default:
- die('Unknown activity type');
- break;
- }
-
- // Setup caption
- $a->caption->Set($data[$i][$csimpos-1]);
-
- // Check if this activity should have a CSIM target�?
- if( !empty($data[$i][$csimpos]) ) {
- $a->SetCSIMTarget($data[$i][$csimpos]);
- $a->SetCSIMAlt($data[$i][$csimpos+1]);
- }
- if( !empty($data[$i][$csimpos+2]) ) {
- $a->title->SetCSIMTarget($data[$i][$csimpos+2]);
- $a->title->SetCSIMAlt($data[$i][$csimpos+3]);
- }
-
- $this->Add($a);
- }
- }
-
- // Set user specified scale zoom factor when auto sizing is used
- function SetZoomFactor($aZoom) {
- $this->iZoomFactor = $aZoom;
- }
-
-
- // Set what headers should be shown
- function ShowHeaders($aFlg) {
- $this->scale->ShowHeaders($aFlg);
- }
-
- // Specify the fraction of the font height that should be added
- // as vertical margin
- function SetLabelVMarginFactor($aVal) {
- $this->iLabelVMarginFactor = $aVal;
- }
-
- // Synonym to the method above
- function SetVMarginFactor($aVal) {
- $this->iLabelVMarginFactor = $aVal;
- }
-
-
- // Add a new Gantt object
- function Add($aObject) {
- if( is_array($aObject) && count($aObject) > 0 ) {
- $cl = $aObject[0];
- if( class_exists('IconPlot',false) && ($cl instanceof IconPlot) ) {
- $this->AddIcon($aObject);
- }
- elseif( class_exists('Text',false) && ($cl instanceof Text) ) {
- $this->AddText($aObject);
- }
- else {
- $n = count($aObject);
- for($i=0; $i < $n; ++$i)
- $this->iObj[] = $aObject[$i];
- }
- }
- else {
- if( class_exists('IconPlot',false) && ($aObject instanceof IconPlot) ) {
- $this->AddIcon($aObject);
- }
- elseif( class_exists('Text',false) && ($aObject instanceof Text) ) {
- $this->AddText($aObject);
- }
- else {
- $this->iObj[] = $aObject;
- }
- }
- }
-
- function StrokeTexts() {
- // Stroke any user added text objects
- if( $this->texts != null ) {
- $n = count($this->texts);
- for($i=0; $i < $n; ++$i) {
- if( $this->texts[$i]->iScalePosX !== null && $this->texts[$i]->iScalePosY !== null ) {
- $x = $this->scale->TranslateDate($this->texts[$i]->iScalePosX);
- $y = $this->scale->TranslateVertPos($this->texts[$i]->iScalePosY);
- $y -= $this->scale->GetVertSpacing()/2;
- }
- else {
- $x = $y = null;
- }
- $this->texts[$i]->Stroke($this->img,$x,$y);
- }
- }
- }
-
- // Override inherit method from Graph and give a warning message
- function SetScale($aAxisType,$aYMin=1,$aYMax=1,$aXMin=1,$aXMax=1) {
- JpGraphError::RaiseL(6005);
- //("SetScale() is not meaningfull with Gantt charts.");
- }
-
- // Specify the date range for Gantt graphs (if this is not set it will be
- // automtically determined from the input data)
- function SetDateRange($aStart,$aEnd) {
- // Adjust the start and end so that the indicate the
- // begining and end of respective start and end days
- if( strpos($aStart,':') === false )
- $aStart = date('Y-m-d 00:00',strtotime($aStart));
- if( strpos($aEnd,':') === false )
- $aEnd = date('Y-m-d 23:59',strtotime($aEnd));
- $this->scale->SetRange($aStart,$aEnd);
- }
-
- // Get the maximum width of the activity titles columns for the bars
- // The name is lightly misleading since we from now on can have
- // multiple columns in the label section. When this was first written
- // it only supported a single label, hence the name.
- function GetMaxLabelWidth() {
- $m=10;
- if( $this->iObj != null ) {
- $marg = $this->scale->actinfo->iLeftColMargin+$this->scale->actinfo->iRightColMargin;
- $n = count($this->iObj);
- for($i=0; $i < $n; ++$i) {
- if( !empty($this->iObj[$i]->title) ) {
- if( $this->iObj[$i]->title->HasTabs() ) {
- list($tot,$w) = $this->iObj[$i]->title->GetWidth($this->img,true);
- $m=max($m,$tot);
- }
- else
- $m=max($m,$this->iObj[$i]->title->GetWidth($this->img));
- }
- }
- }
- return $m;
- }
-
- // Get the maximum height of the titles for the bars
- function GetMaxLabelHeight() {
- $m=10;
- if( $this->iObj != null ) {
- $n = count($this->iObj);
- // We can not include the title of GnttVLine since that title is stroked at the bottom
- // of the Gantt bar and not in the activity title columns
- for($i=0; $i < $n; ++$i) {
- if( !empty($this->iObj[$i]->title) && !($this->iObj[$i] instanceof GanttVLine) ) {
- $m=max($m,$this->iObj[$i]->title->GetHeight($this->img));
- }
- }
- }
- return $m;
- }
-
- function GetMaxBarAbsHeight() {
- $m=0;
- if( $this->iObj != null ) {
- $m = $this->iObj[0]->GetAbsHeight($this->img);
- $n = count($this->iObj);
- for($i=1; $i < $n; ++$i) {
- $m=max($m,$this->iObj[$i]->GetAbsHeight($this->img));
- }
- }
- return $m;
- }
-
- // Get the maximum used line number (vertical position) for bars
- function GetBarMaxLineNumber() {
- $m=1;
- if( $this->iObj != null ) {
- $m = $this->iObj[0]->GetLineNbr();
- $n = count($this->iObj);
- for($i=1; $i < $n; ++$i) {
- $m=max($m,$this->iObj[$i]->GetLineNbr());
- }
- }
- return $m;
- }
-
- // Get the minumum and maximum used dates for all bars
- function GetBarMinMax() {
- $start = 0 ;
- $n = count($this->iObj);
- while( $start < $n && $this->iObj[$start]->GetMaxDate() === false )
- ++$start;
- if( $start >= $n ) {
- JpgraphError::RaiseL(6006);
- //('Cannot autoscale Gantt chart. No dated activities exist. [GetBarMinMax() start >= n]');
- }
-
- $max=$this->scale->NormalizeDate($this->iObj[$start]->GetMaxDate());
- $min=$this->scale->NormalizeDate($this->iObj[$start]->GetMinDate());
-
- for($i=$start+1; $i < $n; ++$i) {
- $rmax = $this->scale->NormalizeDate($this->iObj[$i]->GetMaxDate());
- if( $rmax != false )
- $max=Max($max,$rmax);
- $rmin = $this->scale->NormalizeDate($this->iObj[$i]->GetMinDate());
- if( $rmin != false )
- $min=Min($min,$rmin);
- }
- $minDate = date("Y-m-d",$min);
- $min = strtotime($minDate);
- $maxDate = date("Y-m-d 23:59",$max);
- $max = strtotime($maxDate);
- return array($min,$max);
- }
-
- // Create a new auto sized canvas if the user hasn't specified a size
- // The size is determined by what scale the user has choosen and hence
- // the minimum width needed to display the headers. Some margins are
- // also added to make it better looking.
- function AutoSize() {
-
- if( $this->img->img == null ) {
- // The predefined left, right, top, bottom margins.
- // Note that the top margin might incease depending on
- // the title.
- $hadj = $vadj = 0;
- if( $this->doshadow ) {
- $hadj = $this->shadow_width;
- $vadj = $this->shadow_width+5;
- }
-
- $lm = $this->img->left_margin;
- $rm = $this->img->right_margin +$hadj;
- $rm += 2 ;
- $tm = $this->img->top_margin;
- $bm = $this->img->bottom_margin + $vadj;
- $bm += 2;
-
- // If there are any added GanttVLine we must make sure that the
- // bottom margin is wide enough to hold a title.
- $n = count($this->iObj);
- for($i=0; $i < $n; ++$i) {
- if( $this->iObj[$i] instanceof GanttVLine ) {
- $bm = max($bm,$this->iObj[$i]->title->GetHeight($this->img)+10);
- }
- }
-
- // First find out the height
- $n=$this->GetBarMaxLineNumber()+1;
- $m=max($this->GetMaxLabelHeight(),$this->GetMaxBarAbsHeight());
- $height=$n*((1+$this->iLabelVMarginFactor)*$m);
-
- // Add the height of the scale titles
- $h=$this->scale->GetHeaderHeight();
- $height += $h;
-
- // Calculate the top margin needed for title and subtitle
- if( $this->title->t != "" ) {
- $tm += $this->title->GetFontHeight($this->img);
- }
- if( $this->subtitle->t != "" ) {
- $tm += $this->subtitle->GetFontHeight($this->img);
- }
-
- // ...and then take the bottom and top plot margins into account
- $height += $tm + $bm + $this->scale->iTopPlotMargin + $this->scale->iBottomPlotMargin;
- // Now find the minimum width for the chart required
-
- // If day scale or smaller is shown then we use the day font width
- // as the base size unit.
- // If only weeks or above is displayed we use a modified unit to
- // get a smaller image.
- if( $this->scale->IsDisplayHour() || $this->scale->IsDisplayMinute() ) {
- // Add 2 pixel margin on each side
- $fw=$this->scale->day->GetFontWidth($this->img)+4;
- }
- elseif( $this->scale->IsDisplayWeek() ) {
- $fw = 8;
- }
- elseif( $this->scale->IsDisplayMonth() ) {
- $fw = 4;
- }
- else {
- $fw = 2;
- }
-
- $nd=$this->scale->GetNumberOfDays();
-
- if( $this->scale->IsDisplayDay() ) {
- // If the days are displayed we also need to figure out
- // how much space each day's title will require.
- switch( $this->scale->day->iStyle ) {
- case DAYSTYLE_LONG :
- $txt = "Monday";
- break;
- case DAYSTYLE_LONGDAYDATE1 :
- $txt = "Monday 23 Jun";
- break;
- case DAYSTYLE_LONGDAYDATE2 :
- $txt = "Monday 23 Jun 2003";
- break;
- case DAYSTYLE_SHORT :
- $txt = "Mon";
- break;
- case DAYSTYLE_SHORTDAYDATE1 :
- $txt = "Mon 23/6";
- break;
- case DAYSTYLE_SHORTDAYDATE2 :
- $txt = "Mon 23 Jun";
- break;
- case DAYSTYLE_SHORTDAYDATE3 :
- $txt = "Mon 23";
- break;
- case DAYSTYLE_SHORTDATE1 :
- $txt = "23/6";
- break;
- case DAYSTYLE_SHORTDATE2 :
- $txt = "23 Jun";
- break;
- case DAYSTYLE_SHORTDATE3 :
- $txt = "Mon 23";
- break;
- case DAYSTYLE_SHORTDATE4 :
- $txt = "88";
- break;
- case DAYSTYLE_CUSTOM :
- $txt = date($this->scale->day->iLabelFormStr,strtotime('2003-12-20 18:00'));
- break;
- case DAYSTYLE_ONELETTER :
- default:
- $txt = "M";
- break;
- }
- $fw = $this->scale->day->GetStrWidth($this->img,$txt)+6;
- }
-
- // If we have hours enabled we must make sure that each day has enough
- // space to fit the number of hours to be displayed.
- if( $this->scale->IsDisplayHour() ) {
- // Depending on what format the user has choose we need different amount
- // of space. We therefore create a typical string for the choosen format
- // and determine the length of that string.
- switch( $this->scale->hour->iStyle ) {
- case HOURSTYLE_HMAMPM:
- $txt = '12:00pm';
- break;
- case HOURSTYLE_H24:
- // 13
- $txt = '24';
- break;
- case HOURSTYLE_HAMPM:
- $txt = '12pm';
- break;
- case HOURSTYLE_CUSTOM:
- $txt = date($this->scale->hour->iLabelFormStr,strtotime('2003-12-20 18:00'));
- break;
- case HOURSTYLE_HM24:
- default:
- $txt = '24:00';
- break;
- }
-
- $hfw = $this->scale->hour->GetStrWidth($this->img,$txt)+6;
- $mw = $hfw;
- if( $this->scale->IsDisplayMinute() ) {
- // Depending on what format the user has choose we need different amount
- // of space. We therefore create a typical string for the choosen format
- // and determine the length of that string.
- switch( $this->scale->minute->iStyle ) {
- case HOURSTYLE_CUSTOM:
- $txt2 = date($this->scale->minute->iLabelFormStr,strtotime('2005-05-15 18:55'));
- break;
- case MINUTESTYLE_MM:
- default:
- $txt2 = '15';
- break;
- }
-
- $mfw = $this->scale->minute->GetStrWidth($this->img,$txt2)+6;
- $n2 = ceil(60 / $this->scale->minute->GetIntervall() );
- $mw = $n2 * $mfw;
- }
- $hfw = $hfw < $mw ? $mw : $hfw ;
- $n = ceil(24*60 / $this->scale->TimeToMinutes($this->scale->hour->GetIntervall()) );
- $hw = $n * $hfw;
- $fw = $fw < $hw ? $hw : $fw ;
- }
-
- // We need to repeat this code block here as well.
- // THIS iS NOT A MISTAKE !
- // We really need it since we need to adjust for minutes both in the case
- // where hour scale is shown and when it is not shown.
-
- if( $this->scale->IsDisplayMinute() ) {
- // Depending on what format the user has choose we need different amount
- // of space. We therefore create a typical string for the choosen format
- // and determine the length of that string.
- switch( $this->scale->minute->iStyle ) {
- case HOURSTYLE_CUSTOM:
- $txt = date($this->scale->minute->iLabelFormStr,strtotime('2005-05-15 18:55'));
- break;
- case MINUTESTYLE_MM:
- default:
- $txt = '15';
- break;
- }
-
- $mfw = $this->scale->minute->GetStrWidth($this->img,$txt)+6;
- $n = ceil(60 / $this->scale->TimeToMinutes($this->scale->minute->GetIntervall()) );
- $mw = $n * $mfw;
- $fw = $fw < $mw ? $mw : $fw ;
- }
-
- // If we display week we must make sure that 7*$fw is enough
- // to fit up to 10 characters of the week font (if the week is enabled)
- if( $this->scale->IsDisplayWeek() ) {
- // Depending on what format the user has choose we need different amount
- // of space
- $fsw = strlen($this->scale->week->iLabelFormStr);
- if( $this->scale->week->iStyle==WEEKSTYLE_FIRSTDAY2WNBR ) {
- $fsw += 8;
- }
- elseif( $this->scale->week->iStyle==WEEKSTYLE_FIRSTDAYWNBR ) {
- $fsw += 7;
- }
- else {
- $fsw += 4;
- }
-
- $ww = $fsw*$this->scale->week->GetFontWidth($this->img);
- if( 7*$fw < $ww ) {
- $fw = ceil($ww/7);
- }
- }
-
- if( !$this->scale->IsDisplayDay() && !$this->scale->IsDisplayHour() &&
- !( ($this->scale->week->iStyle==WEEKSTYLE_FIRSTDAYWNBR ||
- $this->scale->week->iStyle==WEEKSTYLE_FIRSTDAY2WNBR) && $this->scale->IsDisplayWeek() ) ) {
- // If we don't display the individual days we can shrink the
- // scale a little bit. This is a little bit pragmatic at the
- // moment and should be re-written to take into account
- // a) What scales exactly are shown and
- // b) what format do they use so we know how wide we need to
- // make each scale text space at minimum.
- $fw /= 2;
- if( !$this->scale->IsDisplayWeek() ) {
- $fw /= 1.8;
- }
- }
-
- $cw = $this->GetMaxActInfoColWidth() ;
- $this->scale->actinfo->SetMinColWidth($cw);
- if( $this->img->width <= 0 ) {
- // Now determine the width for the activity titles column
-
- // Firdst find out the maximum width of each object column
- $titlewidth = max(max($this->GetMaxLabelWidth(),
- $this->scale->tableTitle->GetWidth($this->img)),
- $this->scale->actinfo->GetWidth($this->img));
-
- // Add the width of the vertivcal divider line
- $titlewidth += $this->scale->divider->iWeight*2;
-
- // Adjust the width by the user specified zoom factor
- $fw *= $this->iZoomFactor;
-
- // Now get the total width taking
- // titlewidth, left and rigt margin, dayfont size
- // into account
- $width = $titlewidth + $nd*$fw + $lm+$rm;
- }
- else {
- $width = $this->img->width;
- }
-
- $width = round($width);
- $height = round($height);
- // Make a sanity check on image size
- if( $width > MAX_GANTTIMG_SIZE_W || $height > MAX_GANTTIMG_SIZE_H ) {
- JpgraphError::RaiseL(6007,$width,$height);
- //("Sanity check for automatic Gantt chart size failed. Either the width (=$width) or height (=$height) is larger than MAX_GANTTIMG_SIZE. This could potentially be caused by a wrong date in one of the activities.");
- }
- $this->img->CreateImgCanvas($width,$height);
- $this->img->SetMargin($lm,$rm,$tm,$bm);
- }
- }
-
- // Return an array width the maximum width for each activity
- // column. This is used when we autosize the columns where we need
- // to find out the maximum width of each column. In order to do that we
- // must walk through all the objects, sigh...
- function GetMaxActInfoColWidth() {
- $n = count($this->iObj);
- if( $n == 0 ) return;
- $w = array();
- $m = $this->scale->actinfo->iLeftColMargin + $this->scale->actinfo->iRightColMargin;
-
- for( $i=0; $i < $n; ++$i ) {
- $tmp = $this->iObj[$i]->title->GetColWidth($this->img,$m);
- $nn = count($tmp);
- for( $j=0; $j < $nn; ++$j ) {
- if( empty($w[$j]) )
- $w[$j] = $tmp[$j];
- else
- $w[$j] = max($w[$j],$tmp[$j]);
- }
- }
- return $w;
- }
-
- // Stroke the gantt chart
- function Stroke($aStrokeFileName="") {
-
- // If the filename is the predefined value = '_csim_special_'
- // we assume that the call to stroke only needs to do enough
- // to correctly generate the CSIM maps.
- // We use this variable to skip things we don't strictly need
- // to do to generate the image map to improve performance
- // a best we can. Therefor you will see a lot of tests !$_csim in the
- // code below.
- $_csim = ($aStrokeFileName===_CSIM_SPECIALFILE);
-
- // Should we autoscale dates?
-
- if( !$this->scale->IsRangeSet() ) {
- list($min,$max) = $this->GetBarMinMax();
- $this->scale->SetRange($min,$max);
- }
-
- $this->scale->AdjustStartEndDay();
-
- // Check if we should autoscale the image
- $this->AutoSize();
-
- // Should we start from the top or just spread the bars out even over the
- // available height
- $this->scale->SetVertLayout($this->iLayout);
- if( $this->iLayout == GANTT_FROMTOP ) {
- $maxheight=max($this->GetMaxLabelHeight(),$this->GetMaxBarAbsHeight());
- $this->scale->SetVertSpacing($maxheight*(1+$this->iLabelVMarginFactor));
- }
- // If it hasn't been set find out the maximum line number
- if( $this->scale->iVertLines == -1 )
- $this->scale->iVertLines = $this->GetBarMaxLineNumber()+1;
-
- $maxwidth=max($this->scale->actinfo->GetWidth($this->img),
- max($this->GetMaxLabelWidth(),
- $this->scale->tableTitle->GetWidth($this->img)));
-
- $this->scale->SetLabelWidth($maxwidth+$this->scale->divider->iWeight);//*(1+$this->iLabelHMarginFactor));
-
- if( !$_csim ) {
- $this->StrokePlotArea();
- if( $this->iIconDepth == DEPTH_BACK ) {
- $this->StrokeIcons();
- }
- }
-
- $this->scale->Stroke();
-
- if( !$_csim ) {
- // Due to a minor off by 1 bug we need to temporarily adjust the margin
- $this->img->right_margin--;
- $this->StrokePlotBox();
- $this->img->right_margin++;
- }
-
- // Stroke Grid line
- $this->hgrid->Stroke($this->img,$this->scale);
-
- $n = count($this->iObj);
- for($i=0; $i < $n; ++$i) {
- //$this->iObj[$i]->SetLabelLeftMargin(round($maxwidth*$this->iLabelHMarginFactor/2));
- $this->iObj[$i]->Stroke($this->img,$this->scale);
- }
-
- $this->StrokeTitles();
-
- if( !$_csim ) {
- $this->StrokeConstrains();
- $this->footer->Stroke($this->img);
-
-
- if( $this->iIconDepth == DEPTH_FRONT) {
- $this->StrokeIcons();
- }
-
- // Stroke all added user texts
- $this->StrokeTexts();
-
- // Should we do any final image transformation
- if( $this->iImgTrans ) {
- if( !class_exists('ImgTrans',false) ) {
- require_once('jpgraph_imgtrans.php');
- }
-
- $tform = new ImgTrans($this->img->img);
- $this->img->img = $tform->Skew3D($this->iImgTransHorizon,$this->iImgTransSkewDist,
- $this->iImgTransDirection,$this->iImgTransHighQ,
- $this->iImgTransMinSize,$this->iImgTransFillColor,
- $this->iImgTransBorder);
- }
-
-
- // If the filename is given as the special "__handle"
- // then the image handler is returned and the image is NOT
- // streamed back
- if( $aStrokeFileName == _IMG_HANDLER ) {
- return $this->img->img;
- }
- else {
- // Finally stream the generated picture
- $this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,
- $aStrokeFileName);
- }
- }
- }
-
- function StrokeConstrains() {
- $n = count($this->iObj);
-
- // Stroke all constrains
- for($i=0; $i < $n; ++$i) {
-
- // Some gantt objects may not have constraints associated with them
- // for example we can add IconPlots which doesn't have this property.
- if( empty($this->iObj[$i]->constraints) ) continue;
-
- $numConstrains = count($this->iObj[$i]->constraints);
-
- for( $k = 0; $k < $numConstrains; $k++ ) {
- $vpos = $this->iObj[$i]->constraints[$k]->iConstrainRow;
- if( $vpos >= 0 ) {
- $c1 = $this->iObj[$i]->iConstrainPos;
-
- // Find out which object is on the target row
- $targetobj = -1;
- for( $j=0; $j < $n && $targetobj == -1; ++$j ) {
- if( $this->iObj[$j]->iVPos == $vpos ) {
- $targetobj = $j;
- }
- }
- if( $targetobj == -1 ) {
- JpGraphError::RaiseL(6008,$this->iObj[$i]->iVPos,$vpos);
- //('You have specifed a constrain from row='.$this->iObj[$i]->iVPos.' to row='.$vpos.' which does not have any activity.');
- }
- $c2 = $this->iObj[$targetobj]->iConstrainPos;
- if( count($c1) == 4 && count($c2 ) == 4) {
- switch( $this->iObj[$i]->constraints[$k]->iConstrainType ) {
- case CONSTRAIN_ENDSTART:
- if( $c1[1] < $c2[1] ) {
- $link = new GanttLink($c1[2],$c1[3],$c2[0],$c2[1]);
- }
- else {
- $link = new GanttLink($c1[2],$c1[1],$c2[0],$c2[3]);
- }
- $link->SetPath(3);
- break;
- case CONSTRAIN_STARTEND:
- if( $c1[1] < $c2[1] ) {
- $link = new GanttLink($c1[0],$c1[3],$c2[2],$c2[1]);
- }
- else {
- $link = new GanttLink($c1[0],$c1[1],$c2[2],$c2[3]);
- }
- $link->SetPath(0);
- break;
- case CONSTRAIN_ENDEND:
- if( $c1[1] < $c2[1] ) {
- $link = new GanttLink($c1[2],$c1[3],$c2[2],$c2[1]);
- }
- else {
- $link = new GanttLink($c1[2],$c1[1],$c2[2],$c2[3]);
- }
- $link->SetPath(1);
- break;
- case CONSTRAIN_STARTSTART:
- if( $c1[1] < $c2[1] ) {
- $link = new GanttLink($c1[0],$c1[3],$c2[0],$c2[1]);
- }
- else {
- $link = new GanttLink($c1[0],$c1[1],$c2[0],$c2[3]);
- }
- $link->SetPath(3);
- break;
- default:
- JpGraphError::RaiseL(6009,$this->iObj[$i]->iVPos,$vpos);
- //('Unknown constrain type specified from row='.$this->iObj[$i]->iVPos.' to row='.$vpos);
- break;
- }
-
- $link->SetColor($this->iObj[$i]->constraints[$k]->iConstrainColor);
- $link->SetArrow($this->iObj[$i]->constraints[$k]->iConstrainArrowSize,
- $this->iObj[$i]->constraints[$k]->iConstrainArrowType);
-
- $link->Stroke($this->img);
- }
- }
- }
- }
- }
-
- function GetCSIMAreas() {
- if( !$this->iHasStroked )
- $this->Stroke(_CSIM_SPECIALFILE);
-
- $csim = $this->title->GetCSIMAreas();
- $csim .= $this->subtitle->GetCSIMAreas();
- $csim .= $this->subsubtitle->GetCSIMAreas();
-
- $n = count($this->iObj);
- for( $i=$n-1; $i >= 0; --$i )
- $csim .= $this->iObj[$i]->GetCSIMArea();
- return $csim;
- }
-}
-
-//===================================================
-// CLASS PredefIcons
-// Description: Predefined icons for use with Gantt charts
-//===================================================
-define('GICON_WARNINGRED',0);
-define('GICON_TEXT',1);
-define('GICON_ENDCONS',2);
-define('GICON_MAIL',3);
-define('GICON_STARTCONS',4);
-define('GICON_CALC',5);
-define('GICON_MAGNIFIER',6);
-define('GICON_LOCK',7);
-define('GICON_STOP',8);
-define('GICON_WARNINGYELLOW',9);
-define('GICON_FOLDEROPEN',10);
-define('GICON_FOLDER',11);
-define('GICON_TEXTIMPORTANT',12);
-
-class PredefIcons {
- private $iBuiltinIcon = null, $iLen = -1 ;
-
- function GetLen() {
- return $this->iLen ;
- }
-
- function GetImg($aIdx) {
- if( $aIdx < 0 || $aIdx >= $this->iLen ) {
- JpGraphError::RaiseL(6010,$aIdx);
- //('Illegal icon index for Gantt builtin icon ['.$aIdx.']');
- }
- return Image::CreateFromString(base64_decode($this->iBuiltinIcon[$aIdx][1]));
- }
-
- function __construct() {
- //==========================================================
- // warning.png
- //==========================================================
- $this->iBuiltinIcon[0][0]= 1043 ;
- $this->iBuiltinIcon[0][1]=
- 'iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsSAAALEgHS3X78AAAA'.
- 'B3RJTUUH0wgKFSgilWPhUQAAA6BJREFUeNrtl91rHFUYh5/3zMx+Z5JNUoOamCZNaqTZ6IWIkqRiQWmi1IDetHfeiCiltgXBP8AL'.
- '0SIUxf/AvfRSBS9EKILFFqyIH9CEmFZtPqrBJLs7c+b1YneT3WTTbNsUFPLCcAbmzPt73o9zzgzs2Z793231UOdv3w9k9Z2uzOdA'.
- '5+2+79yNeL7Hl7hw7oeixRMZ6PJM26W18DNAm/Vh7lR8fqh97NmMF11es1iFpMATqdirwMNA/J4DpIzkr5YsAF1PO6gIMYHRdPwl'.
- 'oO2elmB+qH3sm7XozbkgYvy8SzYnZPtcblyM6I+5z3jQ+0vJfgpEu56BfI9vUkbyi2HZd1QJoeWRiAjBd4SDCW8SSAOy6wBHMzF7'.
- 'YdV2A+ROuvRPLfHoiSU0EMY/cDAIhxJeGngKaN1VgHyPL7NBxI1K9P4QxBzw3K1zJ/zkG8B9uwaQ7/HNsRZv9kohBGD0o7JqMYS/'.
- '/ynPidQw/LrBiPBcS/yFCT95DvB2BWAy4575PaQbQKW+tPd3GCItu2odKI++YxiKu0d26oWmAD7paZU/rLz37VqIijD2YbnzNBBE'.
- 'IBHf8K8qjL7vYhCGErEU8CTg3xXAeMp96GrJEqkyXkm9Bhui1xfsunjdGhcYLq+IzjsGmBt5YH/cmJkFq6gIqlon3u4LxdKGuCIo'.
- 'Qu41g0E41po+2R33Xt5uz9kRIB2UTle7PnfKrROP1HD4sRjZlq0lzhwoZ6rDNeTi3nEg1si/7FT7kYQbXS6E5E65tA5uRF9tutq0'.
- 'K/VwAF+/FbIYWt6+tjQM/AqUms7A4Wy6d7YSfSNxgMmzi0ycWWworio4QJvj4LpuL5BqugTnXzzqJsJwurrlNhJXFaavW67NRw3F'.
- 'q+aJcCQVe9fzvJGmAY7/dPH0gi0f64OveGxa+usCuQMeZ0+kt8BVrX+qPO9Bzx0MgqBvs+a2PfDdYIf+WAjXU1ub4tqNaPPzRs8A'.
- 'blrli+WVn79cXn0cWKl+tGx7HLc7pu3CSmnfitL+l1UihAhwjFkPQev4K/fSABjBM8JCaFuurJU+rgW41SroA8aNMVNAFtgHJCsn'.
- 'XGy/58QVxAC9MccJtZ5kIzNlW440WrJ2ea4YPA9cAooA7i0A/gS+iqLoOpB1HOegqrYB3UBmJrAtQAJwpwPr1Ry92wVlgZsiYlW1'.
- 'uX1gU36dymgqYxJIJJNJT1W9QqHgNwFQBGYqo94OwHZQUuPD7ACglSvc+5n5T9m/wfJJX4U9qzEAAAAASUVORK5CYII=' ;
-
- //==========================================================
- // edit.png
- //==========================================================
- $this->iBuiltinIcon[1][0]= 959 ;
- $this->iBuiltinIcon[1][1]=
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- //==========================================================
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- //==========================================================
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- //==========================================================
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-
- //==========================================================
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- //==========================================================
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-
- //==========================================================
- // lock.png
- //==========================================================
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-
- //==========================================================
- // stop.png
- //==========================================================
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-
- //==========================================================
- // error.png
- //==========================================================
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- 'iOsCHgAAAABJRU5ErkJggg==' ;
-
- //==========================================================
- // openfolder.png
- //==========================================================
- $this->iBuiltinIcon[10][0]= 2040 ;
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- 'dBntAAAAAElFTkSuQmCC' ;
-
- //==========================================================
- // folder.png
- //==========================================================
- $this->iBuiltinIcon[11][0]= 1824 ;
- $this->iBuiltinIcon[11][1]=
- 'iVBORw0KGgoAAAANSUhEUgAAACIAAAAiCAYAAAA6RwvCAAAABGdBTUEAALGPC/xhBQAAAAZiS0dEAAAAAAAA+UO7fwAAAAlwSFlz'.
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- 'AXf/A1TI0XCDh7OWAAAAAElFTkSuQmCC' ;
-
- //==========================================================
- // file_important.png
- //==========================================================
- $this->iBuiltinIcon[12][0]= 1785 ;
- $this->iBuiltinIcon[12][1]=
- 'iVBORw0KGgoAAAANSUhEUgAAACIAAAAiCAYAAAA6RwvCAAAABGdBTUEAALGPC/xhBQAAAAZiS0dEAAAAAAAA+UO7fwAAAAlwSFlz'.
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- '7jadTvJtYG0kCD7lfwl49ijgT1gc0AH+dZSJA/xB+Mz/GSIvFoj/B7H1mAd8CO/zAAAAAElFTkSuQmCC' ;
-
- $this->iLen = count($this->iBuiltinIcon);
- }
-}
-
-//===================================================
-// Global cache for builtin images
-//===================================================
-_gPredefIcons = new PredefIcons();
-
-//===================================================
-// CLASS IconImage
-// Description: Holds properties for an icon image
-//===================================================
-class IconImage {
- private $iGDImage=null;
- private $iWidth,$iHeight;
- private $ixalign='left',$iyalign='center';
- private $iScale=1.0;
-
- function __construct($aIcon,$aScale=1) {
- GLOBAL $_gPredefIcons ;
- if( is_string($aIcon) ) {
- $this->iGDImage = Graph::LoadBkgImage('',$aIcon);
- }
- elseif( is_integer($aIcon) ) {
- // Builtin image
- $this->iGDImage = $_gPredefIcons->GetImg($aIcon);
- }
- else {
- JpGraphError::RaiseL(6011);
- //('Argument to IconImage must be string or integer');
- }
- $this->iScale = $aScale;
- $this->iWidth = Image::GetWidth($this->iGDImage);
- $this->iHeight = Image::GetHeight($this->iGDImage);
- }
-
- function GetWidth() {
- return round($this->iScale*$this->iWidth);
- }
-
- function GetHeight() {
- return round($this->iScale*$this->iHeight);
- }
-
- function SetAlign($aX='left',$aY='center') {
- $this->ixalign = $aX;
- $this->iyalign = $aY;
- }
-
- function Stroke($aImg,$x,$y) {
-
- if( $this->ixalign == 'right' ) {
- $x -= $this->iWidth;
- }
- elseif( $this->ixalign == 'center' ) {
- $x -= round($this->iWidth/2*$this->iScale);
- }
-
- if( $this->iyalign == 'bottom' ) {
- $y -= $this->iHeight;
- }
- elseif( $this->iyalign == 'center' ) {
- $y -= round($this->iHeight/2*$this->iScale);
- }
-
- $aImg->Copy($this->iGDImage,
- $x,$y,0,0,
- round($this->iWidth*$this->iScale),round($this->iHeight*$this->iScale),
- $this->iWidth,$this->iHeight);
- }
-}
-
-
-//===================================================
-// CLASS TextProperty
-// Description: Holds properties for a text
-//===================================================
-class TextProperty {
- public $iShow=true;
- public $csimtarget='',$csimwintarget='',$csimalt='';
- private $iFFamily=FF_FONT1,$iFStyle=FS_NORMAL,$iFSize=10;
- private $iFontArray=array();
- private $iColor="black";
- private $iText="";
- private $iHAlign="left",$iVAlign="bottom";
-
- //---------------
- // CONSTRUCTOR
- function __construct($aTxt='') {
- $this->iText = $aTxt;
- }
-
- //---------------
- // PUBLIC METHODS
- function Set($aTxt) {
- $this->iText = $aTxt;
- }
-
- function SetCSIMTarget($aTarget,$aAltText='',$aWinTarget='') {
- if( is_string($aTarget) )
- $aTarget = array($aTarget);
- $this->csimtarget=$aTarget;
-
- if( is_string($aWinTarget) )
- $aWinTarget = array($aWinTarget);
- $this->csimwintarget=$aWinTarget;
-
- if( is_string($aAltText) )
- $aAltText = array($aAltText);
- $this->csimalt=$aAltText;
-
- }
-
- function SetCSIMAlt($aAltText) {
- if( is_string($aAltText) )
- $aAltText = array($aAltText);
- $this->csimalt=$aAltText;
- }
-
- // Set text color
- function SetColor($aColor) {
- $this->iColor = $aColor;
- }
-
- function HasTabs() {
- if( is_string($this->iText) ) {
- return substr_count($this->iText,"\t") > 0;
- }
- elseif( is_array($this->iText) ) {
- return false;
- }
- }
-
- // Get number of tabs in string
- function GetNbrTabs() {
- if( is_string($this->iText) ) {
- return substr_count($this->iText,"\t") ;
- }
- else{
- return 0;
- }
- }
-
- // Set alignment
- function Align($aHAlign,$aVAlign="bottom") {
- $this->iHAlign=$aHAlign;
- $this->iVAlign=$aVAlign;
- }
-
- // Synonym
- function SetAlign($aHAlign,$aVAlign="bottom") {
- $this->iHAlign=$aHAlign;
- $this->iVAlign=$aVAlign;
- }
-
- // Specify font
- function SetFont($aFFamily,$aFStyle=FS_NORMAL,$aFSize=10) {
- $this->iFFamily = $aFFamily;
- $this->iFStyle = $aFStyle;
- $this->iFSize = $aFSize;
- }
-
- function SetColumnFonts($aFontArray) {
- if( !is_array($aFontArray) || count($aFontArray[0]) != 3 ) {
- JpGraphError::RaiseL(6033);
- // 'Array of fonts must contain arrays with 3 elements, i.e. (Family, Style, Size)'
- }
- $this->iFontArray = $aFontArray;
- }
-
-
- function IsColumns() {
- return is_array($this->iText) ;
- }
-
- // Get width of text. If text contains several columns separated by
- // tabs then return both the total width as well as an array with a
- // width for each column.
- function GetWidth($aImg,$aUseTabs=false,$aTabExtraMargin=1.1) {
- $extra_margin=4;
- $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- if( is_string($this->iText) ) {
- if( strlen($this->iText) == 0 ) return 0;
- $tmp = preg_split('/\t/',$this->iText);
- if( count($tmp) <= 1 || !$aUseTabs ) {
- $w = $aImg->GetTextWidth($this->iText);
- return $w + 2*$extra_margin;
- }
- else {
- $tot=0;
- $n = count($tmp);
- for($i=0; $i < $n; ++$i) {
- $res[$i] = $aImg->GetTextWidth($tmp[$i]);
- $tot += $res[$i]*$aTabExtraMargin;
- }
- return array(round($tot),$res);
- }
- }
- elseif( is_object($this->iText) ) {
- // A single icon
- return $this->iText->GetWidth()+2*$extra_margin;
- }
- elseif( is_array($this->iText) ) {
- // Must be an array of texts. In this case we return the sum of the
- // length + a fixed margin of 4 pixels on each text string
- $n = count($this->iText);
- $nf = count($this->iFontArray);
- for( $i=0, $w=0; $i < $n; ++$i ) {
- if( $i < $nf ) {
- $aImg->SetFont($this->iFontArray[$i][0],$this->iFontArray[$i][1],$this->iFontArray[$i][2]);
- }
- else {
- $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- }
- $tmp = $this->iText[$i];
- if( is_string($tmp) ) {
- $w += $aImg->GetTextWidth($tmp)+$extra_margin;
- }
- else {
- if( is_object($tmp) === false ) {
- JpGraphError::RaiseL(6012);
- }
- $w += $tmp->GetWidth()+$extra_margin;
- }
- }
- return $w;
- }
- else {
- JpGraphError::RaiseL(6012);
- }
- }
-
- // for the case where we have multiple columns this function returns the width of each
- // column individually. If there is no columns just return the width of the single
- // column as an array of one
- function GetColWidth($aImg,$aMargin=0) {
- $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- if( is_array($this->iText) ) {
- $n = count($this->iText);
- $nf = count($this->iFontArray);
- for( $i=0, $w=array(); $i < $n; ++$i ) {
- $tmp = $this->iText[$i];
- if( is_string($tmp) ) {
- if( $i < $nf ) {
- $aImg->SetFont($this->iFontArray[$i][0],$this->iFontArray[$i][1],$this->iFontArray[$i][2]);
- }
- else {
- $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- }
- $w[$i] = $aImg->GetTextWidth($tmp)+$aMargin;
- }
- else {
- if( is_object($tmp) === false ) {
- JpGraphError::RaiseL(6012);
- }
- $w[$i] = $tmp->GetWidth()+$aMargin;
- }
- }
- return $w;
- }
- else {
- return array($this->GetWidth($aImg));
- }
- }
-
- // Get total height of text
- function GetHeight($aImg) {
- $nf = count($this->iFontArray);
- $maxheight = -1;
-
- if( $nf > 0 ) {
- // We have to find out the largest font and take that one as the
- // height of the row
- for($i=0; $i < $nf; ++$i ) {
- $aImg->SetFont($this->iFontArray[$i][0],$this->iFontArray[$i][1],$this->iFontArray[$i][2]);
- $height = $aImg->GetFontHeight();
- $maxheight = max($height,$maxheight);
- }
- }
-
- $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- $height = $aImg->GetFontHeight();
- $maxheight = max($height,$maxheight);
- return $maxheight;
- }
-
- // Unhide/hide the text
- function Show($aShow=true) {
- $this->iShow=$aShow;
- }
-
- // Stroke text at (x,y) coordinates. If the text contains tabs then the
- // x parameter should be an array of positions to be used for each successive
- // tab mark. If no array is supplied then the tabs will be ignored.
- function Stroke($aImg,$aX,$aY) {
- if( $this->iShow ) {
- $aImg->SetColor($this->iColor);
- $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- $aImg->SetTextAlign($this->iHAlign,$this->iVAlign);
- if( $this->GetNbrTabs() < 1 ) {
- if( is_string($this->iText) ) {
- if( is_array($aX) ) $aX=$aX[0];
- if( is_array($aY) ) $aY=$aY[0];
- $aImg->StrokeText($aX,$aY,$this->iText);
- }
- elseif( is_array($this->iText) && ($n = count($this->iText)) > 0 ) {
- $ax = is_array($aX) ;
- $ay = is_array($aY) ;
- if( $ax && $ay ) {
- // Nothing; both are already arrays
- }
- elseif( $ax ) {
- $aY = array_fill(0,$n,$aY);
- }
- elseif( $ay ) {
- $aX = array_fill(0,$n,$aX);
- }
- else {
- $aX = array_fill(0,$n,$aX);
- $aY = array_fill(0,$n,$aY);
- }
- $n = min($n, count($aX) ) ;
- $n = min($n, count($aY) ) ;
- for($i=0; $i < $n; ++$i ) {
- $tmp = $this->iText[$i];
- if( is_object($tmp) ) {
- $tmp->Stroke($aImg,$aX[$i],$aY[$i]);
- }
- else {
- if( $i < count($this->iFontArray) ) {
- $font = $this->iFontArray[$i];
- $aImg->SetFont($font[0],$font[1],$font[2]);
- }
- else {
- $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- }
- $aImg->StrokeText($aX[$i],$aY[$i],str_replace("\t"," ",$tmp));
- }
- }
- }
- }
- else {
- $tmp = preg_split('/\t/',$this->iText);
- $n = min(count($tmp),count($aX));
- for($i=0; $i < $n; ++$i) {
- if( $i < count($this->iFontArray) ) {
- $font = $this->iFontArray[$i];
- $aImg->SetFont($font[0],$font[1],$font[2]);
- }
- else {
- $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- }
- $aImg->StrokeText($aX[$i],$aY,$tmp[$i]);
- }
- }
- }
- }
-}
-
-//===================================================
-// CLASS HeaderProperty
-// Description: Data encapsulating class to hold property
-// for each type of the scale headers
-//===================================================
-class HeaderProperty {
- public $grid;
- public $iShowLabels=true,$iShowGrid=true;
- public $iTitleVertMargin=3,$iFFamily=FF_FONT0,$iFStyle=FS_NORMAL,$iFSize=8;
- public $iStyle=0;
- public $iFrameColor="black",$iFrameWeight=1;
- public $iBackgroundColor="white";
- public $iWeekendBackgroundColor="lightgray",$iSundayTextColor="red"; // these are only used with day scale
- public $iTextColor="black";
- public $iLabelFormStr="%d";
- public $iIntervall = 1;
-
- //---------------
- // CONSTRUCTOR
- function __construct() {
- $this->grid = new LineProperty();
- }
-
- //---------------
- // PUBLIC METHODS
- function Show($aShow=true) {
- $this->iShowLabels = $aShow;
- }
-
- function SetIntervall($aInt) {
- $this->iIntervall = $aInt;
- }
-
- function SetInterval($aInt) {
- $this->iIntervall = $aInt;
- }
-
- function GetIntervall() {
- return $this->iIntervall ;
- }
-
- function SetFont($aFFamily,$aFStyle=FS_NORMAL,$aFSize=10) {
- $this->iFFamily = $aFFamily;
- $this->iFStyle = $aFStyle;
- $this->iFSize = $aFSize;
- }
-
- function SetFontColor($aColor) {
- $this->iTextColor = $aColor;
- }
-
- function GetFontHeight($aImg) {
- $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- return $aImg->GetFontHeight();
- }
-
- function GetFontWidth($aImg) {
- $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- return $aImg->GetFontWidth();
- }
-
- function GetStrWidth($aImg,$aStr) {
- $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize);
- return $aImg->GetTextWidth($aStr);
- }
-
- function SetStyle($aStyle) {
- $this->iStyle = $aStyle;
- }
-
- function SetBackgroundColor($aColor) {
- $this->iBackgroundColor=$aColor;
- }
-
- function SetFrameWeight($aWeight) {
- $this->iFrameWeight=$aWeight;
- }
-
- function SetFrameColor($aColor) {
- $this->iFrameColor=$aColor;
- }
-
- // Only used by day scale
- function SetWeekendColor($aColor) {
- $this->iWeekendBackgroundColor=$aColor;
- }
-
- // Only used by day scale
- function SetSundayFontColor($aColor) {
- $this->iSundayTextColor=$aColor;
- }
-
- function SetTitleVertMargin($aMargin) {
- $this->iTitleVertMargin=$aMargin;
- }
-
- function SetLabelFormatString($aStr) {
- $this->iLabelFormStr=$aStr;
- }
-
- function SetFormatString($aStr) {
- $this->SetLabelFormatString($aStr);
- }
-
-
-}
-
-//===================================================
-// CLASS GanttScale
-// Description: Responsible for calculating and showing
-// the scale in a gantt chart. This includes providing methods for
-// converting dates to position in the chart as well as stroking the
-// date headers (days, week, etc).
-//===================================================
-class GanttScale {
- public $minute,$hour,$day,$week,$month,$year;
- public $divider,$dividerh,$tableTitle;
- public $iStartDate=-1,$iEndDate=-1;
- // Number of gantt bar position (n.b not necessariliy the same as the number of bars)
- // we could have on bar in position 1, and one bar in position 5 then there are two
- // bars but the number of bar positions is 5
- public $actinfo;
- public $iTopPlotMargin=10,$iBottomPlotMargin=15;
- public $iVertLines=-1;
- public $iVertHeaderSize=-1;
- // The width of the labels (defaults to the widest of all labels)
- private $iLabelWidth;
- // Out image to stroke the scale to
- private $iImg;
- private $iTableHeaderBackgroundColor="white",$iTableHeaderFrameColor="black";
- private $iTableHeaderFrameWeight=1;
- private $iAvailableHeight=-1,$iVertSpacing=-1;
- private $iDateLocale;
- private $iVertLayout=GANTT_EVEN;
- private $iUsePlotWeekendBackground=true;
- private $iWeekStart = 1; // Default to have weekends start on Monday
-
- //---------------
- // CONSTRUCTOR
- function __construct($aImg) {
- $this->iImg = $aImg;
- $this->iDateLocale = new DateLocale();
-
- $this->minute = new HeaderProperty();
- $this->minute->SetIntervall(15);
- $this->minute->SetLabelFormatString('i');
- $this->minute->SetFont(FF_FONT0);
- $this->minute->grid->SetColor("gray");
-
- $this->hour = new HeaderProperty();
- $this->hour->SetFont(FF_FONT0);
- $this->hour->SetIntervall(6);
- $this->hour->SetStyle(HOURSTYLE_HM24);
- $this->hour->SetLabelFormatString('H:i');
- $this->hour->grid->SetColor("gray");
-
- $this->day = new HeaderProperty();
- $this->day->grid->SetColor("gray");
- $this->day->SetLabelFormatString('l');
-
- $this->week = new HeaderProperty();
- $this->week->SetLabelFormatString("w%d");
- $this->week->SetFont(FF_FONT1);
-
- $this->month = new HeaderProperty();
- $this->month->SetFont(FF_FONT1,FS_BOLD);
-
- $this->year = new HeaderProperty();
- $this->year->SetFont(FF_FONT1,FS_BOLD);
-
- $this->divider=new LineProperty();
- $this->dividerh=new LineProperty();
- $this->dividerh->SetWeight(2);
- $this->divider->SetWeight(6);
- $this->divider->SetColor('gray');
- $this->divider->SetStyle('fancy');
-
- $this->tableTitle=new TextProperty();
- $this->tableTitle->Show(false);
- $this->actinfo = new GanttActivityInfo();
- }
-
- //---------------
- // PUBLIC METHODS
- // Specify what headers should be visible
- function ShowHeaders($aFlg) {
- $this->day->Show($aFlg & GANTT_HDAY);
- $this->week->Show($aFlg & GANTT_HWEEK);
- $this->month->Show($aFlg & GANTT_HMONTH);
- $this->year->Show($aFlg & GANTT_HYEAR);
- $this->hour->Show($aFlg & GANTT_HHOUR);
- $this->minute->Show($aFlg & GANTT_HMIN);
-
- // Make some default settings of gridlines whihc makes sense
- if( $aFlg & GANTT_HWEEK ) {
- $this->month->grid->Show(false);
- $this->year->grid->Show(false);
- }
- if( $aFlg & GANTT_HHOUR ) {
- $this->day->grid->SetColor("black");
- }
- }
-
- // Should the weekend background stretch all the way down in the plotarea
- function UseWeekendBackground($aShow) {
- $this->iUsePlotWeekendBackground = $aShow;
- }
-
- // Have a range been specified?
- function IsRangeSet() {
- return $this->iStartDate!=-1 && $this->iEndDate!=-1;
- }
-
- // Should the layout be from top or even?
- function SetVertLayout($aLayout) {
- $this->iVertLayout = $aLayout;
- }
-
- // Which locale should be used?
- function SetDateLocale($aLocale) {
- $this->iDateLocale->Set($aLocale);
- }
-
- // Number of days we are showing
- function GetNumberOfDays() {
- return round(($this->iEndDate-$this->iStartDate)/SECPERDAY);
- }
-
- // The width of the actual plot area
- function GetPlotWidth() {
- $img=$this->iImg;
- return $img->width - $img->left_margin - $img->right_margin;
- }
-
- // Specify the width of the titles(labels) for the activities
- // (This is by default set to the minimum width enought for the
- // widest title)
- function SetLabelWidth($aLabelWidth) {
- $this->iLabelWidth=$aLabelWidth;
- }
-
- // Which day should the week start?
- // 0==Sun, 1==Monday, 2==Tuesday etc
- function SetWeekStart($aStartDay) {
- $this->iWeekStart = $aStartDay % 7;
-
- //Recalculate the startday since this will change the week start
- $this->SetRange($this->iStartDate,$this->iEndDate);
- }
-
- // Do we show min scale?
- function IsDisplayMinute() {
- return $this->minute->iShowLabels;
- }
-
- // Do we show day scale?
- function IsDisplayHour() {
- return $this->hour->iShowLabels;
- }
-
-
- // Do we show day scale?
- function IsDisplayDay() {
- return $this->day->iShowLabels;
- }
-
- // Do we show week scale?
- function IsDisplayWeek() {
- return $this->week->iShowLabels;
- }
-
- // Do we show month scale?
- function IsDisplayMonth() {
- return $this->month->iShowLabels;
- }
-
- // Do we show year scale?
- function IsDisplayYear() {
- return $this->year->iShowLabels;
- }
-
- // Specify spacing (in percent of bar height) between activity bars
- function SetVertSpacing($aSpacing) {
- $this->iVertSpacing = $aSpacing;
- }
-
- // Specify scale min and max date either as timestamp or as date strings
- // Always round to the nearest week boundary
- function SetRange($aMin,$aMax) {
- $this->iStartDate = $this->NormalizeDate($aMin);
- $this->iEndDate = $this->NormalizeDate($aMax);
- }
-
-
- // Adjust the start and end date so they fit to beginning/ending
- // of the week taking the specified week start day into account.
- function AdjustStartEndDay() {
-
- if( !($this->IsDisplayYear() ||$this->IsDisplayMonth() || $this->IsDisplayWeek()) ) {
- // Don't adjust
- return;
- }
-
- // Get day in week for start and ending date (Sun==0)
- $ds=strftime("%w",$this->iStartDate);
- $de=strftime("%w",$this->iEndDate);
-
- // We want to start on iWeekStart day. But first we subtract a week
- // if the startdate is "behind" the day the week start at.
- // This way we ensure that the given start date is always included
- // in the range. If we don't do this the nearest correct weekday in the week
- // to start at might be later than the start date.
- if( $ds < $this->iWeekStart )
- $d = strtotime('-7 day',$this->iStartDate);
- else
- $d = $this->iStartDate;
- $adjdate = strtotime(($this->iWeekStart-$ds).' day',$d /*$this->iStartDate*/ );
- $this->iStartDate = $adjdate;
-
- // We want to end on the last day of the week
- $preferredEndDay = ($this->iWeekStart+6)%7;
- if( $preferredEndDay != $de ) {
- // Solve equivalence eq: $de + x ~ $preferredDay (mod 7)
- $adj = (7+($preferredEndDay - $de)) % 7;
- $adjdate = strtotime("+$adj day",$this->iEndDate);
- $this->iEndDate = $adjdate;
- }
- }
-
- // Specify background for the table title area (upper left corner of the table)
- function SetTableTitleBackground($aColor) {
- $this->iTableHeaderBackgroundColor = $aColor;
- }
-
- ///////////////////////////////////////
- // PRIVATE Methods
-
- // Determine the height of all the scale headers combined
- function GetHeaderHeight() {
- $img=$this->iImg;
- $height=1;
- if( $this->minute->iShowLabels ) {
- $height += $this->minute->GetFontHeight($img);
- $height += $this->minute->iTitleVertMargin;
- }
- if( $this->hour->iShowLabels ) {
- $height += $this->hour->GetFontHeight($img);
- $height += $this->hour->iTitleVertMargin;
- }
- if( $this->day->iShowLabels ) {
- $height += $this->day->GetFontHeight($img);
- $height += $this->day->iTitleVertMargin;
- }
- if( $this->week->iShowLabels ) {
- $height += $this->week->GetFontHeight($img);
- $height += $this->week->iTitleVertMargin;
- }
- if( $this->month->iShowLabels ) {
- $height += $this->month->GetFontHeight($img);
- $height += $this->month->iTitleVertMargin;
- }
- if( $this->year->iShowLabels ) {
- $height += $this->year->GetFontHeight($img);
- $height += $this->year->iTitleVertMargin;
- }
- return $height;
- }
-
- // Get width (in pixels) for a single day
- function GetDayWidth() {
- return ($this->GetPlotWidth()-$this->iLabelWidth+1)/$this->GetNumberOfDays();
- }
-
- // Get width (in pixels) for a single hour
- function GetHourWidth() {
- return $this->GetDayWidth() / 24 ;
- }
-
- function GetMinuteWidth() {
- return $this->GetHourWidth() / 60 ;
- }
-
- // Nuber of days in a year
- function GetNumDaysInYear($aYear) {
- if( $this->IsLeap($aYear) )
- return 366;
- else
- return 365;
- }
-
- // Get week number
- function GetWeekNbr($aDate,$aSunStart=true) {
- // We can't use the internal strftime() since it gets the weeknumber
- // wrong since it doesn't follow ISO on all systems since this is
- // system linrary dependent.
- // Even worse is that this works differently if we are on a Windows
- // or UNIX box (it even differs between UNIX boxes how strftime()
- // is natively implemented)
- //
- // Credit to Nicolas Hoizey <nhoizey@phpheaven.net> for this elegant
- // version of Week Nbr calculation.
-
- $day = $this->NormalizeDate($aDate);
- if( $aSunStart )
- $day += 60*60*24;
-
- /*-------------------------------------------------------------------------
- According to ISO-8601 :
- "Week 01 of a year is per definition the first week that has the Thursday in this year,
- which is equivalent to the week that contains the fourth day of January.
- In other words, the first week of a new year is the week that has the majority of its
- days in the new year."
-
- Be carefull, with PHP, -3 % 7 = -3, instead of 4 !!!
-
- day of year = date("z", $day) + 1
- offset to thursday = 3 - (date("w", $day) + 6) % 7
- first thursday of year = 1 + (11 - date("w", mktime(0, 0, 0, 1, 1, date("Y", $day)))) % 7
- week number = (thursday's day of year - first thursday's day of year) / 7 + 1
- ---------------------------------------------------------------------------*/
-
- $thursday = $day + 60 * 60 * 24 * (3 - (date("w", $day) + 6) % 7); // take week's thursday
- $week = 1 + (date("z", $thursday) - (11 - date("w", mktime(0, 0, 0, 1, 1, date("Y", $thursday)))) % 7) / 7;
-
- return $week;
- }
-
- // Is year a leap year?
- function IsLeap($aYear) {
- // Is the year a leap year?
- //$year = 0+date("Y",$aDate);
- if( $aYear % 4 == 0)
- if( !($aYear % 100 == 0) || ($aYear % 400 == 0) )
- return true;
- return false;
- }
-
- // Get current year
- function GetYear($aDate) {
- return 0+Date("Y",$aDate);
- }
-
- // Return number of days in a year
- function GetNumDaysInMonth($aMonth,$aYear) {
- $days=array(31,28,31,30,31,30,31,31,30,31,30,31);
- $daysl=array(31,29,31,30,31,30,31,31,30,31,30,31);
- if( $this->IsLeap($aYear))
- return $daysl[$aMonth];
- else
- return $days[$aMonth];
- }
-
- // Get day in month
- function GetMonthDayNbr($aDate) {
- return 0+strftime("%d",$aDate);
- }
-
- // Get day in year
- function GetYearDayNbr($aDate) {
- return 0+strftime("%j",$aDate);
- }
-
- // Get month number
- function GetMonthNbr($aDate) {
- return 0+strftime("%m",$aDate);
- }
-
- // Translate a date to screen coordinates (horizontal scale)
- function TranslateDate($aDate) {
- //
- // In order to handle the problem with Daylight savings time
- // the scale written with equal number of seconds per day beginning
- // with the start date. This means that we "cement" the state of
- // DST as it is in the start date. If later the scale includes the
- // switchover date (depends on the locale) we need to adjust back
- // if the date we try to translate has a different DST status since
- // we would otherwise be off by one hour.
- $aDate = $this->NormalizeDate($aDate);
- $tmp = localtime($aDate);
- $cloc = $tmp[8];
- $tmp = localtime($this->iStartDate);
- $sloc = $tmp[8];
- $offset = 0;
- if( $sloc != $cloc) {
- if( $sloc )
- $offset = 3600;
- else
- $offset = -3600;
- }
- $img=$this->iImg;
- return ($aDate-$this->iStartDate-$offset)/SECPERDAY*$this->GetDayWidth()+$img->left_margin+$this->iLabelWidth;;
- }
-
- // Get screen coordinatesz for the vertical position for a bar
- function TranslateVertPos($aPos,$atTop=false) {
- $img=$this->iImg;
- if( $aPos > $this->iVertLines )
- JpGraphError::RaiseL(6015,$aPos);
- // 'Illegal vertical position %d'
- if( $this->iVertLayout == GANTT_EVEN ) {
- // Position the top bar at 1 vert spacing from the scale
- $pos = round($img->top_margin + $this->iVertHeaderSize + ($aPos+1)*$this->iVertSpacing);
- }
- else {
- // position the top bar at 1/2 a vert spacing from the scale
- $pos = round($img->top_margin + $this->iVertHeaderSize + $this->iTopPlotMargin + ($aPos+1)*$this->iVertSpacing);
- }
-
- if( $atTop )
- $pos -= $this->iVertSpacing;
-
- return $pos;
- }
-
- // What is the vertical spacing?
- function GetVertSpacing() {
- return $this->iVertSpacing;
- }
-
- // Convert a date to timestamp
- function NormalizeDate($aDate) {
- if( $aDate === false ) return false;
- if( is_string($aDate) ) {
- $t = strtotime($aDate);
- if( $t === FALSE || $t === -1 ) {
- JpGraphError::RaiseL(6016,$aDate);
- //("Date string ($aDate) specified for Gantt activity can not be interpretated. Please make sure it is a valid time string, e.g. 2005-04-23 13:30");
- }
- return $t;
- }
- elseif( is_int($aDate) || is_float($aDate) )
- return $aDate;
- else
- JpGraphError::RaiseL(6017,$aDate);
- //Unknown date format in GanttScale ($aDate).");
- }
-
-
- // Convert a time string to minutes
-
- function TimeToMinutes($aTimeString) {
- // Split in hours and minutes
- $pos=strpos($aTimeString,':');
- $minint=60;
- if( $pos === false ) {
- $hourint = $aTimeString;
- $minint = 0;
- }
- else {
- $hourint = floor(substr($aTimeString,0,$pos));
- $minint = floor(substr($aTimeString,$pos+1));
- }
- $minint += 60 * $hourint;
- return $minint;
- }
-
- // Stroke the day scale (including gridlines)
- function StrokeMinutes($aYCoord,$getHeight=false) {
- $img=$this->iImg;
- $xt=$img->left_margin+$this->iLabelWidth;
- $yt=$aYCoord+$img->top_margin;
- if( $this->minute->iShowLabels ) {
- $img->SetFont($this->minute->iFFamily,$this->minute->iFStyle,$this->minute->iFSize);
- $yb = $yt + $img->GetFontHeight() +
- $this->minute->iTitleVertMargin + $this->minute->iFrameWeight;
- if( $getHeight ) {
- return $yb - $img->top_margin;
- }
- $xb = $img->width-$img->right_margin+1;
- $img->SetColor($this->minute->iBackgroundColor);
- $img->FilledRectangle($xt,$yt,$xb,$yb);
-
- $x = $xt;
- $img->SetTextAlign("center");
- $day = date('w',$this->iStartDate);
- $minint = $this->minute->GetIntervall() ;
-
- if( 60 % $minint !== 0 ) {
- JpGraphError::RaiseL(6018,$minint);
- //'Intervall for minutes must divide the hour evenly, e.g. 1,5,10,12,15,20,30 etc You have specified an intervall of '.$minint.' minutes.');
- }
-
-
- $n = 60 / $minint;
- $datestamp = $this->iStartDate;
- $width = $this->GetHourWidth() / $n ;
- if( $width < 8 ) {
- // TO small width to draw minute scale
- JpGraphError::RaiseL(6019,$width);
- //('The available width ('.$width.') for minutes are to small for this scale to be displayed. Please use auto-sizing or increase the width of the graph.');
- }
-
- $nh = ceil(24*60 / $this->TimeToMinutes($this->hour->GetIntervall()) );
- $nd = $this->GetNumberOfDays();
- // Convert to intervall to seconds
- $minint *= 60;
- for($j=0; $j < $nd; ++$j, $day += 1, $day %= 7) {
- for( $k=0; $k < $nh; ++$k ) {
- for($i=0; $i < $n ;++$i, $x+=$width, $datestamp += $minint ) {
- if( $day==6 || $day==0 ) {
-
- $img->PushColor($this->day->iWeekendBackgroundColor);
- if( $this->iUsePlotWeekendBackground )
- $img->FilledRectangle($x,$yt+$this->day->iFrameWeight,$x+$width,$img->height-$img->bottom_margin);
- else
- $img->FilledRectangle($x,$yt+$this->day->iFrameWeight,$x+$width,$yb-$this->day->iFrameWeight);
- $img->PopColor();
-
- }
-
- if( $day==0 )
- $img->SetColor($this->day->iSundayTextColor);
- else
- $img->SetColor($this->day->iTextColor);
-
- switch( $this->minute->iStyle ) {
- case MINUTESTYLE_CUSTOM:
- $txt = date($this->minute->iLabelFormStr,$datestamp);
- break;
- case MINUTESTYLE_MM:
- default:
- // 15
- $txt = date('i',$datestamp);
- break;
- }
- $img->StrokeText(round($x+$width/2),round($yb-$this->minute->iTitleVertMargin),$txt);
-
- // Fix a rounding problem the wrong way ..
- // If we also have hour scale then don't draw the firsta or last
- // gridline since that will be overwritten by the hour scale gridline if such exists.
- // However, due to the propagation of rounding of the 'x+=width' term in the loop
- // this might sometimes be one pixel of so we fix this by not drawing it.
- // The proper way to fix it would be to re-calculate the scale for each step and
- // not using the additive term.
- if( !(($i == $n || $i==0) && $this->hour->iShowLabels && $this->hour->grid->iShow) ) {
- $img->SetColor($this->minute->grid->iColor);
- $img->SetLineWeight($this->minute->grid->iWeight);
- $img->Line($x,$yt,$x,$yb);
- $this->minute->grid->Stroke($img,$x,$yb,$x,$img->height-$img->bottom_margin);
- }
- }
- }
- }
- $img->SetColor($this->minute->iFrameColor);
- $img->SetLineWeight($this->minute->iFrameWeight);
- $img->Rectangle($xt,$yt,$xb,$yb);
- return $yb - $img->top_margin;
- }
- return $aYCoord;
- }
-
- // Stroke the day scale (including gridlines)
- function StrokeHours($aYCoord,$getHeight=false) {
- $img=$this->iImg;
- $xt=$img->left_margin+$this->iLabelWidth;
- $yt=$aYCoord+$img->top_margin;
- if( $this->hour->iShowLabels ) {
- $img->SetFont($this->hour->iFFamily,$this->hour->iFStyle,$this->hour->iFSize);
- $yb = $yt + $img->GetFontHeight() +
- $this->hour->iTitleVertMargin + $this->hour->iFrameWeight;
- if( $getHeight ) {
- return $yb - $img->top_margin;
- }
- $xb = $img->width-$img->right_margin+1;
- $img->SetColor($this->hour->iBackgroundColor);
- $img->FilledRectangle($xt,$yt,$xb,$yb);
-
- $x = $xt;
- $img->SetTextAlign("center");
- $tmp = $this->hour->GetIntervall() ;
- $minint = $this->TimeToMinutes($tmp);
- if( 1440 % $minint !== 0 ) {
- JpGraphError::RaiseL(6020,$tmp);
- //('Intervall for hours must divide the day evenly, e.g. 0:30, 1:00, 1:30, 4:00 etc. You have specified an intervall of '.$tmp);
- }
-
- $n = ceil(24*60 / $minint );
- $datestamp = $this->iStartDate;
- $day = date('w',$this->iStartDate);
- $doback = !$this->minute->iShowLabels;
- $width = $this->GetDayWidth() / $n ;
- for($j=0; $j < $this->GetNumberOfDays(); ++$j, $day += 1,$day %= 7) {
- for($i=0; $i < $n ;++$i, $x+=$width) {
- if( $day==6 || $day==0 ) {
-
- $img->PushColor($this->day->iWeekendBackgroundColor);
- if( $this->iUsePlotWeekendBackground && $doback )
- $img->FilledRectangle($x,$yt+$this->day->iFrameWeight,$x+$width,$img->height-$img->bottom_margin);
- else
- $img->FilledRectangle($x,$yt+$this->day->iFrameWeight,$x+$width,$yb-$this->day->iFrameWeight);
- $img->PopColor();
-
- }
-
- if( $day==0 )
- $img->SetColor($this->day->iSundayTextColor);
- else
- $img->SetColor($this->day->iTextColor);
-
- switch( $this->hour->iStyle ) {
- case HOURSTYLE_HMAMPM:
- // 1:35pm
- $txt = date('g:ia',$datestamp);
- break;
- case HOURSTYLE_H24:
- // 13
- $txt = date('H',$datestamp);
- break;
- case HOURSTYLE_HAMPM:
- $txt = date('ga',$datestamp);
- break;
- case HOURSTYLE_CUSTOM:
- $txt = date($this->hour->iLabelFormStr,$datestamp);
- break;
- case HOURSTYLE_HM24:
- default:
- $txt = date('H:i',$datestamp);
- break;
- }
- $img->StrokeText(round($x+$width/2),round($yb-$this->hour->iTitleVertMargin),$txt);
- $img->SetColor($this->hour->grid->iColor);
- $img->SetLineWeight($this->hour->grid->iWeight);
- $img->Line($x,$yt,$x,$yb);
- $this->hour->grid->Stroke($img,$x,$yb,$x,$img->height-$img->bottom_margin);
- //$datestamp += $minint*60
- $datestamp = mktime(date('H',$datestamp),date('i',$datestamp)+$minint,0,
- date("m",$datestamp),date("d",$datestamp)+1,date("Y",$datestamp));
-
- }
- }
- $img->SetColor($this->hour->iFrameColor);
- $img->SetLineWeight($this->hour->iFrameWeight);
- $img->Rectangle($xt,$yt,$xb,$yb);
- return $yb - $img->top_margin;
- }
- return $aYCoord;
- }
-
-
- // Stroke the day scale (including gridlines)
- function StrokeDays($aYCoord,$getHeight=false) {
- $img=$this->iImg;
- $daywidth=$this->GetDayWidth();
- $xt=$img->left_margin+$this->iLabelWidth;
- $yt=$aYCoord+$img->top_margin;
- if( $this->day->iShowLabels ) {
- $img->SetFont($this->day->iFFamily,$this->day->iFStyle,$this->day->iFSize);
- $yb=$yt + $img->GetFontHeight() + $this->day->iTitleVertMargin + $this->day->iFrameWeight;
- if( $getHeight ) {
- return $yb - $img->top_margin;
- }
- $xb=$img->width-$img->right_margin+1;
- $img->SetColor($this->day->iBackgroundColor);
- $img->FilledRectangle($xt,$yt,$xb,$yb);
-
- $x = $xt;
- $img->SetTextAlign("center");
- $day = date('w',$this->iStartDate);
- $datestamp = $this->iStartDate;
-
- $doback = !($this->hour->iShowLabels || $this->minute->iShowLabels);
-
- setlocale(LC_TIME,$this->iDateLocale->iLocale);
-
- for($i=0; $i < $this->GetNumberOfDays(); ++$i, $x+=$daywidth, $day += 1,$day %= 7) {
- if( $day==6 || $day==0 ) {
- $img->SetColor($this->day->iWeekendBackgroundColor);
- if( $this->iUsePlotWeekendBackground && $doback)
- $img->FilledRectangle($x,$yt+$this->day->iFrameWeight,
- $x+$daywidth,$img->height-$img->bottom_margin);
- else
- $img->FilledRectangle($x,$yt+$this->day->iFrameWeight,
- $x+$daywidth,$yb-$this->day->iFrameWeight);
- }
-
- $mn = strftime('%m',$datestamp);
- if( $mn[0]=='0' )
- $mn = $mn[1];
-
- switch( $this->day->iStyle ) {
- case DAYSTYLE_LONG:
- // "Monday"
- $txt = strftime('%A',$datestamp);
- break;
- case DAYSTYLE_SHORT:
- // "Mon"
- $txt = strftime('%a',$datestamp);
- break;
- case DAYSTYLE_SHORTDAYDATE1:
- // "Mon 23/6"
- $txt = strftime('%a %d/'.$mn,$datestamp);
- break;
- case DAYSTYLE_SHORTDAYDATE2:
- // "Mon 23 Jun"
- $txt = strftime('%a %d %b',$datestamp);
- break;
- case DAYSTYLE_SHORTDAYDATE3:
- // "Mon 23 Jun 2003"
- $txt = strftime('%a %d %b %Y',$datestamp);
- break;
- case DAYSTYLE_LONGDAYDATE1:
- // "Monday 23 Jun"
- $txt = strftime('%A %d %b',$datestamp);
- break;
- case DAYSTYLE_LONGDAYDATE2:
- // "Monday 23 Jun 2003"
- $txt = strftime('%A %d %b %Y',$datestamp);
- break;
- case DAYSTYLE_SHORTDATE1:
- // "23/6"
- $txt = strftime('%d/'.$mn,$datestamp);
- break;
- case DAYSTYLE_SHORTDATE2:
- // "23 Jun"
- $txt = strftime('%d %b',$datestamp);
- break;
- case DAYSTYLE_SHORTDATE3:
- // "Mon 23"
- $txt = strftime('%a %d',$datestamp);
- break;
- case DAYSTYLE_SHORTDATE4:
- // "23"
- $txt = strftime('%d',$datestamp);
- break;
- case DAYSTYLE_CUSTOM:
- // Custom format
- $txt = strftime($this->day->iLabelFormStr,$datestamp);
- break;
- case DAYSTYLE_ONELETTER:
- default:
- // "M"
- $txt = strftime('%A',$datestamp);
- $txt = strtoupper($txt[0]);
- break;
- }
-
- if( $day==0 )
- $img->SetColor($this->day->iSundayTextColor);
- else
- $img->SetColor($this->day->iTextColor);
- $img->StrokeText(round($x+$daywidth/2+1),
- round($yb-$this->day->iTitleVertMargin),$txt);
- $img->SetColor($this->day->grid->iColor);
- $img->SetLineWeight($this->day->grid->iWeight);
- $img->Line($x,$yt,$x,$yb);
- $this->day->grid->Stroke($img,$x,$yb,$x,$img->height-$img->bottom_margin);
- $datestamp = mktime(0,0,0,date("m",$datestamp),date("d",$datestamp)+1,date("Y",$datestamp));
- //$datestamp += SECPERDAY;
-
- }
- $img->SetColor($this->day->iFrameColor);
- $img->SetLineWeight($this->day->iFrameWeight);
- $img->Rectangle($xt,$yt,$xb,$yb);
- return $yb - $img->top_margin;
- }
- return $aYCoord;
- }
-
- // Stroke week header and grid
- function StrokeWeeks($aYCoord,$getHeight=false) {
- if( $this->week->iShowLabels ) {
- $img=$this->iImg;
- $yt=$aYCoord+$img->top_margin;
- $img->SetFont($this->week->iFFamily,$this->week->iFStyle,$this->week->iFSize);
- $yb=$yt + $img->GetFontHeight() + $this->week->iTitleVertMargin + $this->week->iFrameWeight;
-
- if( $getHeight ) {
- return $yb - $img->top_margin;
- }
-
- $xt=$img->left_margin+$this->iLabelWidth;
- $weekwidth=$this->GetDayWidth()*7;
- $wdays=$this->iDateLocale->GetDayAbb();
- $xb=$img->width-$img->right_margin+1;
- $week = $this->iStartDate;
- $weeknbr=$this->GetWeekNbr($week);
- $img->SetColor($this->week->iBackgroundColor);
- $img->FilledRectangle($xt,$yt,$xb,$yb);
- $img->SetColor($this->week->grid->iColor);
- $x = $xt;
- if( $this->week->iStyle==WEEKSTYLE_WNBR ) {
- $img->SetTextAlign("center");
- $txtOffset = $weekwidth/2+1;
- }
- elseif( $this->week->iStyle==WEEKSTYLE_FIRSTDAY ||
- $this->week->iStyle==WEEKSTYLE_FIRSTDAY2 ||
- $this->week->iStyle==WEEKSTYLE_FIRSTDAYWNBR ||
- $this->week->iStyle==WEEKSTYLE_FIRSTDAY2WNBR ) {
- $img->SetTextAlign("left");
- $txtOffset = 3;
- }
- else {
- JpGraphError::RaiseL(6021);
- //("Unknown formatting style for week.");
- }
-
- for($i=0; $i<$this->GetNumberOfDays()/7; ++$i, $x+=$weekwidth) {
- $img->PushColor($this->week->iTextColor);
-
- if( $this->week->iStyle==WEEKSTYLE_WNBR )
- $txt = sprintf($this->week->iLabelFormStr,$weeknbr);
- elseif( $this->week->iStyle==WEEKSTYLE_FIRSTDAY ||
- $this->week->iStyle==WEEKSTYLE_FIRSTDAYWNBR )
- $txt = date("j/n",$week);
- elseif( $this->week->iStyle==WEEKSTYLE_FIRSTDAY2 ||
- $this->week->iStyle==WEEKSTYLE_FIRSTDAY2WNBR ) {
- $monthnbr = date("n",$week)-1;
- $shortmonth = $this->iDateLocale->GetShortMonthName($monthnbr);
- $txt = Date("j",$week)." ".$shortmonth;
- }
-
- if( $this->week->iStyle==WEEKSTYLE_FIRSTDAYWNBR ||
- $this->week->iStyle==WEEKSTYLE_FIRSTDAY2WNBR ) {
- $w = sprintf($this->week->iLabelFormStr,$weeknbr);
- $txt .= ' '.$w;
- }
-
- $img->StrokeText(round($x+$txtOffset),
- round($yb-$this->week->iTitleVertMargin),$txt);
-
- $week = strtotime('+7 day',$week);
- $weeknbr = $this->GetWeekNbr($week);
- $img->PopColor();
- $img->SetLineWeight($this->week->grid->iWeight);
- $img->Line($x,$yt,$x,$yb);
- $this->week->grid->Stroke($img,$x,$yb,$x,$img->height-$img->bottom_margin);
- }
- $img->SetColor($this->week->iFrameColor);
- $img->SetLineWeight($this->week->iFrameWeight);
- $img->Rectangle($xt,$yt,$xb,$yb);
- return $yb-$img->top_margin;
- }
- return $aYCoord;
- }
-
- // Format the mont scale header string
- function GetMonthLabel($aMonthNbr,$year) {
- $sn = $this->iDateLocale->GetShortMonthName($aMonthNbr);
- $ln = $this->iDateLocale->GetLongMonthName($aMonthNbr);
- switch($this->month->iStyle) {
- case MONTHSTYLE_SHORTNAME:
- $m=$sn;
- break;
- case MONTHSTYLE_LONGNAME:
- $m=$ln;
- break;
- case MONTHSTYLE_SHORTNAMEYEAR2:
- $m=$sn." '".substr("".$year,2);
- break;
- case MONTHSTYLE_SHORTNAMEYEAR4:
- $m=$sn." ".$year;
- break;
- case MONTHSTYLE_LONGNAMEYEAR2:
- $m=$ln." '".substr("".$year,2);
- break;
- case MONTHSTYLE_LONGNAMEYEAR4:
- $m=$ln." ".$year;
- break;
- case MONTHSTYLE_FIRSTLETTER:
- $m=$sn[0];
- break;
- }
- return $m;
- }
-
- // Stroke month scale and gridlines
- function StrokeMonths($aYCoord,$getHeight=false) {
- if( $this->month->iShowLabels ) {
- $img=$this->iImg;
- $img->SetFont($this->month->iFFamily,$this->month->iFStyle,$this->month->iFSize);
- $yt=$aYCoord+$img->top_margin;
- $yb=$yt + $img->GetFontHeight() + $this->month->iTitleVertMargin + $this->month->iFrameWeight;
- if( $getHeight ) {
- return $yb - $img->top_margin;
- }
- $monthnbr = $this->GetMonthNbr($this->iStartDate)-1;
- $xt=$img->left_margin+$this->iLabelWidth;
- $xb=$img->width-$img->right_margin+1;
-
- $img->SetColor($this->month->iBackgroundColor);
- $img->FilledRectangle($xt,$yt,$xb,$yb);
-
- $img->SetLineWeight($this->month->grid->iWeight);
- $img->SetColor($this->month->iTextColor);
- $year = 0+strftime("%Y",$this->iStartDate);
- $img->SetTextAlign("center");
- if( $this->GetMonthNbr($this->iStartDate) == $this->GetMonthNbr($this->iEndDate)
- && $this->GetYear($this->iStartDate)==$this->GetYear($this->iEndDate) ) {
- $monthwidth=$this->GetDayWidth()*($this->GetMonthDayNbr($this->iEndDate) - $this->GetMonthDayNbr($this->iStartDate) + 1);
- }
- else {
- $monthwidth=$this->GetDayWidth()*($this->GetNumDaysInMonth($monthnbr,$year)-$this->GetMonthDayNbr($this->iStartDate)+1);
- }
- // Is it enough space to stroke the first month?
- $monthName = $this->GetMonthLabel($monthnbr,$year);
- if( $monthwidth >= 1.2*$img->GetTextWidth($monthName) ) {
- $img->SetColor($this->month->iTextColor);
- $img->StrokeText(round($xt+$monthwidth/2+1),
- round($yb-$this->month->iTitleVertMargin),
- $monthName);
- }
- $x = $xt + $monthwidth;
- while( $x < $xb ) {
- $img->SetColor($this->month->grid->iColor);
- $img->Line($x,$yt,$x,$yb);
- $this->month->grid->Stroke($img,$x,$yb,$x,$img->height-$img->bottom_margin);
- $monthnbr++;
- if( $monthnbr==12 ) {
- $monthnbr=0;
- $year++;
- }
- $monthName = $this->GetMonthLabel($monthnbr,$year);
- $monthwidth=$this->GetDayWidth()*$this->GetNumDaysInMonth($monthnbr,$year);
- if( $x + $monthwidth < $xb )
- $w = $monthwidth;
- else
- $w = $xb-$x;
- if( $w >= 1.2*$img->GetTextWidth($monthName) ) {
- $img->SetColor($this->month->iTextColor);
- $img->StrokeText(round($x+$w/2+1),
- round($yb-$this->month->iTitleVertMargin),$monthName);
- }
- $x += $monthwidth;
- }
- $img->SetColor($this->month->iFrameColor);
- $img->SetLineWeight($this->month->iFrameWeight);
- $img->Rectangle($xt,$yt,$xb,$yb);
- return $yb-$img->top_margin;
- }
- return $aYCoord;
- }
-
- // Stroke year scale and gridlines
- function StrokeYears($aYCoord,$getHeight=false) {
- if( $this->year->iShowLabels ) {
- $img=$this->iImg;
- $yt=$aYCoord+$img->top_margin;
- $img->SetFont($this->year->iFFamily,$this->year->iFStyle,$this->year->iFSize);
- $yb=$yt + $img->GetFontHeight() + $this->year->iTitleVertMargin + $this->year->iFrameWeight;
-
- if( $getHeight ) {
- return $yb - $img->top_margin;
- }
-
- $xb=$img->width-$img->right_margin+1;
- $xt=$img->left_margin+$this->iLabelWidth;
- $year = $this->GetYear($this->iStartDate);
- $img->SetColor($this->year->iBackgroundColor);
- $img->FilledRectangle($xt,$yt,$xb,$yb);
- $img->SetLineWeight($this->year->grid->iWeight);
- $img->SetTextAlign("center");
- if( $year == $this->GetYear($this->iEndDate) )
- $yearwidth=$this->GetDayWidth()*($this->GetYearDayNbr($this->iEndDate)-$this->GetYearDayNbr($this->iStartDate)+1);
- else
- $yearwidth=$this->GetDayWidth()*($this->GetNumDaysInYear($year)-$this->GetYearDayNbr($this->iStartDate)+1);
-
- // The space for a year must be at least 20% bigger than the actual text
- // so we allow 10% margin on each side
- if( $yearwidth >= 1.20*$img->GetTextWidth("".$year) ) {
- $img->SetColor($this->year->iTextColor);
- $img->StrokeText(round($xt+$yearwidth/2+1),
- round($yb-$this->year->iTitleVertMargin),
- $year);
- }
- $x = $xt + $yearwidth;
- while( $x < $xb ) {
- $img->SetColor($this->year->grid->iColor);
- $img->Line($x,$yt,$x,$yb);
- $this->year->grid->Stroke($img,$x,$yb,$x,$img->height-$img->bottom_margin);
- $year += 1;
- $yearwidth=$this->GetDayWidth()*$this->GetNumDaysInYear($year);
- if( $x + $yearwidth < $xb )
- $w = $yearwidth;
- else
- $w = $xb-$x;
- if( $w >= 1.2*$img->GetTextWidth("".$year) ) {
- $img->SetColor($this->year->iTextColor);
- $img->StrokeText(round($x+$w/2+1),
- round($yb-$this->year->iTitleVertMargin),
- $year);
- }
- $x += $yearwidth;
- }
- $img->SetColor($this->year->iFrameColor);
- $img->SetLineWeight($this->year->iFrameWeight);
- $img->Rectangle($xt,$yt,$xb,$yb);
- return $yb-$img->top_margin;
- }
- return $aYCoord;
- }
-
- // Stroke table title (upper left corner)
- function StrokeTableHeaders($aYBottom) {
- $img=$this->iImg;
- $xt=$img->left_margin;
- $yt=$img->top_margin;
- $xb=$xt+$this->iLabelWidth;
- $yb=$aYBottom+$img->top_margin;
-
- if( $this->tableTitle->iShow ) {
- $img->SetColor($this->iTableHeaderBackgroundColor);
- $img->FilledRectangle($xt,$yt,$xb,$yb);
- $this->tableTitle->Align("center","top");
- $this->tableTitle->Stroke($img,$xt+($xb-$xt)/2+1,$yt+2);
- $img->SetColor($this->iTableHeaderFrameColor);
- $img->SetLineWeight($this->iTableHeaderFrameWeight);
- $img->Rectangle($xt,$yt,$xb,$yb);
- }
-
- $this->actinfo->Stroke($img,$xt,$yt,$xb,$yb,$this->tableTitle->iShow);
-
-
- // Draw the horizontal dividing line
- $this->dividerh->Stroke($img,$xt,$yb,$img->width-$img->right_margin,$yb);
-
- // Draw the vertical dividing line
- // We do the width "manually" since we want the line only to grow
- // to the left
- $fancy = $this->divider->iStyle == 'fancy' ;
- if( $fancy ) {
- $this->divider->iStyle = 'solid';
- }
-
- $tmp = $this->divider->iWeight;
- $this->divider->iWeight=1;
- $y = $img->height-$img->bottom_margin;
- for($i=0; $i < $tmp; ++$i ) {
- $this->divider->Stroke($img,$xb-$i,$yt,$xb-$i,$y);
- }
-
- // Should we draw "fancy" divider
- if( $fancy ) {
- $img->SetLineWeight(1);
- $img->SetColor($this->iTableHeaderFrameColor);
- $img->Line($xb,$yt,$xb,$y);
- $img->Line($xb-$tmp+1,$yt,$xb-$tmp+1,$y);
- $img->SetColor('white');
- $img->Line($xb-$tmp+2,$yt,$xb-$tmp+2,$y);
- }
- }
-
- // Main entry point to stroke scale
- function Stroke() {
- if( !$this->IsRangeSet() ) {
- JpGraphError::RaiseL(6022);
- //("Gantt scale has not been specified.");
- }
- $img=$this->iImg;
-
- // If minutes are displayed then hour interval must be 1
- if( $this->IsDisplayMinute() && $this->hour->GetIntervall() > 1 ) {
- JpGraphError::RaiseL(6023);
- //('If you display both hour and minutes the hour intervall must be 1 (Otherwise it doesn\' make sense to display minutes).');
- }
-
- // Stroke all headers. As argument we supply the offset from the
- // top which depends on any previous headers
-
- // First find out the height of each header
- $offy=$this->StrokeYears(0,true);
- $offm=$this->StrokeMonths($offy,true);
- $offw=$this->StrokeWeeks($offm,true);
- $offd=$this->StrokeDays($offw,true);
- $offh=$this->StrokeHours($offd,true);
- $offmin=$this->StrokeMinutes($offh,true);
-
-
- // ... then we can stroke them in the "backwards order to ensure that
- // the larger scale gridlines is stroked over the smaller scale gridline
- $this->StrokeMinutes($offh);
- $this->StrokeHours($offd);
- $this->StrokeDays($offw);
- $this->StrokeWeeks($offm);
- $this->StrokeMonths($offy);
- $this->StrokeYears(0);
-
- // Now when we now the oaverall size of the scale headers
- // we can stroke the overall table headers
- $this->StrokeTableHeaders($offmin);
-
- // Now we can calculate the correct scaling factor for each vertical position
- $this->iAvailableHeight = $img->height - $img->top_margin - $img->bottom_margin - $offd;
-
- $this->iVertHeaderSize = $offmin;
- if( $this->iVertSpacing == -1 )
- $this->iVertSpacing = $this->iAvailableHeight / $this->iVertLines;
- }
-}
-
-
-//===================================================
-// CLASS GanttConstraint
-// Just a structure to store all the values for a constraint
-//===================================================
-class GanttConstraint {
- public $iConstrainRow;
- public $iConstrainType;
- public $iConstrainColor;
- public $iConstrainArrowSize;
- public $iConstrainArrowType;
-
- //---------------
- // CONSTRUCTOR
- function __construct($aRow,$aType,$aColor,$aArrowSize,$aArrowType){
- $this->iConstrainType = $aType;
- $this->iConstrainRow = $aRow;
- $this->iConstrainColor=$aColor;
- $this->iConstrainArrowSize=$aArrowSize;
- $this->iConstrainArrowType=$aArrowType;
- }
-}
-
-
-//===================================================
-// CLASS GanttPlotObject
-// The common signature for a Gantt object
-//===================================================
-class GanttPlotObject {
- public $title,$caption;
- public $csimarea='',$csimtarget='',$csimwintarget='',$csimalt='';
- public $constraints = array();
- public $iCaptionMargin=5;
- public $iConstrainPos=array();
- protected $iStart=""; // Start date
- public $iVPos=0; // Vertical position
- protected $iLabelLeftMargin=2; // Title margin
-
- function __construct() {
- $this->title = new TextProperty();
- $this->title->Align('left','center');
- $this->caption = new TextProperty();
- }
-
- function GetCSIMArea() {
- return $this->csimarea;
- }
-
- function SetCSIMTarget($aTarget,$aAlt='',$aWinTarget='') {
- if( !is_string($aTarget) ) {
- $tv = substr(var_export($aTarget,true),0,40);
- JpGraphError::RaiseL(6024,$tv);
- //('CSIM Target must be specified as a string.'."\nStart of target is:\n$tv");
- }
- if( !is_string($aAlt) ) {
- $tv = substr(var_export($aAlt,true),0,40);
- JpGraphError::RaiseL(6025,$tv);
- //('CSIM Alt text must be specified as a string.'."\nStart of alt text is:\n$tv");
- }
-
- $this->csimtarget=$aTarget;
- $this->csimwintarget=$aWinTarget;
- $this->csimalt=$aAlt;
- }
-
- function SetCSIMAlt($aAlt) {
- if( !is_string($aAlt) ) {
- $tv = substr(var_export($aAlt,true),0,40);
- JpGraphError::RaiseL(6025,$tv);
- //('CSIM Alt text must be specified as a string.'."\nStart of alt text is:\n$tv");
- }
- $this->csimalt=$aAlt;
- }
-
- function SetConstrain($aRow,$aType,$aColor='black',$aArrowSize=ARROW_S2,$aArrowType=ARROWT_SOLID) {
- $this->constraints[] = new GanttConstraint($aRow, $aType, $aColor, $aArrowSize, $aArrowType);
- }
-
- function SetConstrainPos($xt,$yt,$xb,$yb) {
- $this->iConstrainPos = array($xt,$yt,$xb,$yb);
- }
-
- function GetMinDate() {
- return $this->iStart;
- }
-
- function GetMaxDate() {
- return $this->iStart;
- }
-
- function SetCaptionMargin($aMarg) {
- $this->iCaptionMargin=$aMarg;
- }
-
- function GetAbsHeight($aImg) {
- return 0;
- }
-
- function GetLineNbr() {
- return $this->iVPos;
- }
-
- function SetLabelLeftMargin($aOff) {
- $this->iLabelLeftMargin=$aOff;
- }
-
- function StrokeActInfo($aImg,$aScale,$aYPos) {
- $cols=array();
- $aScale->actinfo->GetColStart($aImg,$cols,true);
- $this->title->Stroke($aImg,$cols,$aYPos);
- }
-}
-
-//===================================================
-// CLASS Progress
-// Holds parameters for the progress indicator
-// displyed within a bar
-//===================================================
-class Progress {
- public $iProgress=-1;
- public $iPattern=GANTT_SOLID;
- public $iColor="black", $iFillColor='black';
- public $iDensity=98, $iHeight=0.65;
-
- function Set($aProg) {
- if( $aProg < 0.0 || $aProg > 1.0 ) {
- JpGraphError::RaiseL(6027);
- //("Progress value must in range [0, 1]");
- }
- $this->iProgress = $aProg;
- }
-
- function SetPattern($aPattern,$aColor="blue",$aDensity=98) {
- $this->iPattern = $aPattern;
- $this->iColor = $aColor;
- $this->iDensity = $aDensity;
- }
-
- function SetFillColor($aColor) {
- $this->iFillColor = $aColor;
- }
-
- function SetHeight($aHeight) {
- $this->iHeight = $aHeight;
- }
-}
-
-define('GANTT_HGRID1',0);
-define('GANTT_HGRID2',1);
-
-//===================================================
-// CLASS HorizontalGridLine
-// Responsible for drawinf horizontal gridlines and filled alternatibg rows
-//===================================================
-class HorizontalGridLine {
- private $iGraph=NULL;
- private $iRowColor1 = '', $iRowColor2 = '';
- private $iShow=false;
- private $line=null;
- private $iStart=0; // 0=from left margin, 1=just along header
-
- function __construct() {
- $this->line = new LineProperty();
- $this->line->SetColor('gray@0.4');
- $this->line->SetStyle('dashed');
- }
-
- function Show($aShow=true) {
- $this->iShow = $aShow;
- }
-
- function SetRowFillColor($aColor1,$aColor2='') {
- $this->iRowColor1 = $aColor1;
- $this->iRowColor2 = $aColor2;
- }
-
- function SetStart($aStart) {
- $this->iStart = $aStart;
- }
-
- function Stroke($aImg,$aScale) {
-
- if( ! $this->iShow ) return;
-
- // Get horizontal width of line
- /*
- $limst = $aScale->iStartDate;
- $limen = $aScale->iEndDate;
- $xt = round($aScale->TranslateDate($aScale->iStartDate));
- $xb = round($aScale->TranslateDate($limen));
- */
-
- if( $this->iStart === 0 ) {
- $xt = $aImg->left_margin-1;
- }
- else {
- $xt = round($aScale->TranslateDate($aScale->iStartDate))+1;
- }
-
- $xb = $aImg->width-$aImg->right_margin;
-
- $yt = round($aScale->TranslateVertPos(0));
- $yb = round($aScale->TranslateVertPos(1));
- $height = $yb - $yt;
-
- // Loop around for all lines in the chart
- for($i=0; $i < $aScale->iVertLines; ++$i ) {
- $yb = $yt - $height;
- $this->line->Stroke($aImg,$xt,$yb,$xb,$yb);
- if( $this->iRowColor1 !== '' ) {
- if( $i % 2 == 0 ) {
- $aImg->PushColor($this->iRowColor1);
- $aImg->FilledRectangle($xt,$yt,$xb,$yb);
- $aImg->PopColor();
- }
- elseif( $this->iRowColor2 !== '' ) {
- $aImg->PushColor($this->iRowColor2);
- $aImg->FilledRectangle($xt,$yt,$xb,$yb);
- $aImg->PopColor();
- }
- }
- $yt = round($aScale->TranslateVertPos($i+1));
- }
- $yb = $yt - $height;
- $this->line->Stroke($aImg,$xt,$yb,$xb,$yb);
- }
-}
-
-
-//===================================================
-// CLASS GanttBar
-// Responsible for formatting individual gantt bars
-//===================================================
-class GanttBar extends GanttPlotObject {
- public $progress;
- public $leftMark,$rightMark;
- private $iEnd;
- private $iHeightFactor=0.5;
- private $iFillColor="white",$iFrameColor="black";
- private $iShadow=false,$iShadowColor="darkgray",$iShadowWidth=1,$iShadowFrame="black";
- private $iPattern=GANTT_RDIAG,$iPatternColor="blue",$iPatternDensity=95;
- private $iBreakStyle=false, $iBreakLineStyle='dotted',$iBreakLineWeight=1;
- //---------------
- // CONSTRUCTOR
- function __construct($aPos,$aLabel,$aStart,$aEnd,$aCaption="",$aHeightFactor=0.6) {
- parent::__construct();
- $this->iStart = $aStart;
- // Is the end date given as a date or as number of days added to start date?
- if( is_string($aEnd) ) {
- // If end date has been specified without a time we will asssume
- // end date is at the end of that date
- if( strpos($aEnd,':') === false ) {
- $this->iEnd = strtotime($aEnd)+SECPERDAY-1;
- }
- else {
- $this->iEnd = $aEnd;
- }
- }
- elseif(is_int($aEnd) || is_float($aEnd) ) {
- $this->iEnd = strtotime($aStart)+round($aEnd*SECPERDAY);
- }
- $this->iVPos = $aPos;
- $this->iHeightFactor = $aHeightFactor;
- $this->title->Set($aLabel);
- $this->caption = new TextProperty($aCaption);
- $this->caption->Align("left","center");
- $this->leftMark =new PlotMark();
- $this->leftMark->Hide();
- $this->rightMark=new PlotMark();
- $this->rightMark->Hide();
- $this->progress = new Progress();
- }
-
- //---------------
- // PUBLIC METHODS
- function SetShadow($aShadow=true,$aColor="gray") {
- $this->iShadow=$aShadow;
- $this->iShadowColor=$aColor;
- }
-
- function SetBreakStyle($aFlg=true,$aLineStyle='dotted',$aLineWeight=1) {
- $this->iBreakStyle = $aFlg;
- $this->iBreakLineStyle = $aLineStyle;
- $this->iBreakLineWeight = $aLineWeight;
- }
-
- function GetMaxDate() {
- return $this->iEnd;
- }
-
- function SetHeight($aHeight) {
- $this->iHeightFactor = $aHeight;
- }
-
- function SetColor($aColor) {
- $this->iFrameColor = $aColor;
- }
-
- function SetFillColor($aColor) {
- $this->iFillColor = $aColor;
- }
-
- function GetAbsHeight($aImg) {
- if( is_int($this->iHeightFactor) || $this->leftMark->show || $this->rightMark->show ) {
- $m=-1;
- if( is_int($this->iHeightFactor) )
- $m = $this->iHeightFactor;
- if( $this->leftMark->show )
- $m = max($m,$this->leftMark->width*2);
- if( $this->rightMark->show )
- $m = max($m,$this->rightMark->width*2);
- return $m;
- }
- else
- return -1;
- }
-
- function SetPattern($aPattern,$aColor="blue",$aDensity=95) {
- $this->iPattern = $aPattern;
- $this->iPatternColor = $aColor;
- $this->iPatternDensity = $aDensity;
- }
-
- function Stroke($aImg,$aScale) {
- $factory = new RectPatternFactory();
- $prect = $factory->Create($this->iPattern,$this->iPatternColor);
- $prect->SetDensity($this->iPatternDensity);
-
- // If height factor is specified as a float between 0,1 then we take it as meaning
- // percetage of the scale width between horizontal line.
- // If it is an integer > 1 we take it to mean the absolute height in pixels
- if( $this->iHeightFactor > -0.0 && $this->iHeightFactor <= 1.1)
- $vs = $aScale->GetVertSpacing()*$this->iHeightFactor;
- elseif(is_int($this->iHeightFactor) && $this->iHeightFactor>2 && $this->iHeightFactor < 200 )
- $vs = $this->iHeightFactor;
- else {
- JpGraphError::RaiseL(6028,$this->iHeightFactor);
- // ("Specified height (".$this->iHeightFactor.") for gantt bar is out of range.");
- }
-
- // Clip date to min max dates to show
- $st = $aScale->NormalizeDate($this->iStart);
- $en = $aScale->NormalizeDate($this->iEnd);
-
- $limst = max($st,$aScale->iStartDate);
- $limen = min($en,$aScale->iEndDate);
-
- $xt = round($aScale->TranslateDate($limst));
- $xb = round($aScale->TranslateDate($limen));
- $yt = round($aScale->TranslateVertPos($this->iVPos)-$vs-($aScale->GetVertSpacing()/2-$vs/2));
- $yb = round($aScale->TranslateVertPos($this->iVPos)-($aScale->GetVertSpacing()/2-$vs/2));
- $middle = round($yt+($yb-$yt)/2);
- $this->StrokeActInfo($aImg,$aScale,$middle);
-
- // CSIM for title
- if( ! empty($this->title->csimtarget) ) {
- $colwidth = $this->title->GetColWidth($aImg);
- $colstarts=array();
- $aScale->actinfo->GetColStart($aImg,$colstarts,true);
- $n = min(count($colwidth),count($this->title->csimtarget));
- for( $i=0; $i < $n; ++$i ) {
- $title_xt = $colstarts[$i];
- $title_xb = $title_xt + $colwidth[$i];
- $coords = "$title_xt,$yt,$title_xb,$yt,$title_xb,$yb,$title_xt,$yb";
-
- if( ! empty($this->title->csimtarget[$i]) ) {
- $this->csimarea .= "<area shape=\"poly\" coords=\"$coords\" href=\"".$this->title->csimtarget[$i]."\"";
-
- if( ! empty($this->title->csimwintarget[$i]) ) {
- $this->csimarea .= "target=\"".$this->title->csimwintarget[$i]."\" ";
- }
-
- if( ! empty($this->title->csimalt[$i]) ) {
- $tmp = $this->title->csimalt[$i];
- $this->csimarea .= " title=\"$tmp\" alt=\"$tmp\" ";
- }
- $this->csimarea .= " />\n";
- }
- }
- }
-
- // Check if the bar is totally outside the current scale range
- if( $en < $aScale->iStartDate || $st > $aScale->iEndDate )
- return;
-
-
- // Remember the positions for the bar
- $this->SetConstrainPos($xt,$yt,$xb,$yb);
-
-
-
- $prect->ShowFrame(false);
- $prect->SetBackground($this->iFillColor);
- if( $this->iBreakStyle ) {
- $aImg->SetColor($this->iFrameColor);
- $olds = $aImg->SetLineStyle($this->iBreakLineStyle);
- $oldw = $aImg->SetLineWeight($this->iBreakLineWeight);
- $aImg->StyleLine($xt,$yt,$xb,$yt);
- $aImg->StyleLine($xt,$yb,$xb,$yb);
- $aImg->SetLineStyle($olds);
- $aImg->SetLineWeight($oldw);
- }
- else {
- if( $this->iShadow ) {
- $aImg->SetColor($this->iFrameColor);
- $aImg->ShadowRectangle($xt,$yt,$xb,$yb,$this->iFillColor,$this->iShadowWidth,$this->iShadowColor);
- $prect->SetPos(new Rectangle($xt+1,$yt+1,$xb-$xt-$this->iShadowWidth-2,$yb-$yt-$this->iShadowWidth-2));
- $prect->Stroke($aImg);
- }
- else {
- $prect->SetPos(new Rectangle($xt,$yt,$xb-$xt+1,$yb-$yt+1));
- $prect->Stroke($aImg);
- $aImg->SetColor($this->iFrameColor);
- $aImg->Rectangle($xt,$yt,$xb,$yb);
- }
- }
- // CSIM for bar
- if( ! empty($this->csimtarget) ) {
-
- $coords = "$xt,$yt,$xb,$yt,$xb,$yb,$xt,$yb";
- $this->csimarea .= "<area shape=\"poly\" coords=\"$coords\" href=\"".$this->csimtarget."\"";
-
- if( !empty($this->csimwintarget) ) {
- $this->csimarea .= " target=\"".$this->csimwintarget."\" ";
- }
-
- if( $this->csimalt != '' ) {
- $tmp = $this->csimalt;
- $this->csimarea .= " title=\"$tmp\" alt=\"$tmp\" ";
- }
- $this->csimarea .= " />\n";
- }
-
- // Draw progress bar inside activity bar
- if( $this->progress->iProgress > 0 ) {
-
- $xtp = $aScale->TranslateDate($st);
- $xbp = $aScale->TranslateDate($en);
- $len = ($xbp-$xtp)*$this->progress->iProgress;
-
- $endpos = $xtp+$len;
- if( $endpos > $xt ) {
-
- // Take away the length of the progress that is not visible (before the start date)
- $len -= ($xt-$xtp);
-
- // Is the the progress bar visible after the start date?
- if( $xtp < $xt )
- $xtp = $xt;
-
- // Make sure that the progess bar doesn't extend over the end date
- if( $xtp+$len-1 > $xb )
- $len = $xb - $xtp ;
-
- $prog = $factory->Create($this->progress->iPattern,$this->progress->iColor);
- $prog->SetDensity($this->progress->iDensity);
- $prog->SetBackground($this->progress->iFillColor);
- $barheight = ($yb-$yt+1);
- if( $this->iShadow )
- $barheight -= $this->iShadowWidth;
- $progressheight = floor($barheight*$this->progress->iHeight);
- $marg = ceil(($barheight-$progressheight)/2);
- $pos = new Rectangle($xtp,$yt + $marg, $len,$barheight-2*$marg);
- $prog->SetPos($pos);
- $prog->Stroke($aImg);
- }
- }
-
- // We don't plot the end mark if the bar has been capped
- if( $limst == $st ) {
- $y = $middle;
- // We treat the RIGHT and LEFT triangle mark a little bi
- // special so that these marks are placed right under the
- // bar.
- if( $this->leftMark->GetType() == MARK_LEFTTRIANGLE ) {
- $y = $yb ;
- }
- $this->leftMark->Stroke($aImg,$xt,$y);
- }
- if( $limen == $en ) {
- $y = $middle;
- // We treat the RIGHT and LEFT triangle mark a little bi
- // special so that these marks are placed right under the
- // bar.
- if( $this->rightMark->GetType() == MARK_RIGHTTRIANGLE ) {
- $y = $yb ;
- }
- $this->rightMark->Stroke($aImg,$xb,$y);
-
- $margin = $this->iCaptionMargin;
- if( $this->rightMark->show )
- $margin += $this->rightMark->GetWidth();
- $this->caption->Stroke($aImg,$xb+$margin,$middle);
- }
- }
-}
-
-//===================================================
-// CLASS MileStone
-// Responsible for formatting individual milestones
-//===================================================
-class MileStone extends GanttPlotObject {
- public $mark;
-
- //---------------
- // CONSTRUCTOR
- function __construct($aVPos,$aLabel,$aDate,$aCaption="") {
- GanttPlotObject::__construct();
- $this->caption->Set($aCaption);
- $this->caption->Align("left","center");
- $this->caption->SetFont(FF_FONT1,FS_BOLD);
- $this->title->Set($aLabel);
- $this->title->SetColor("darkred");
- $this->mark = new PlotMark();
- $this->mark->SetWidth(10);
- $this->mark->SetType(MARK_DIAMOND);
- $this->mark->SetColor("darkred");
- $this->mark->SetFillColor("darkred");
- $this->iVPos = $aVPos;
- $this->iStart = $aDate;
- }
-
- //---------------
- // PUBLIC METHODS
-
- function GetAbsHeight($aImg) {
- return max($this->title->GetHeight($aImg),$this->mark->GetWidth());
- }
-
- function Stroke($aImg,$aScale) {
- // Put the mark in the middle at the middle of the day
- $d = $aScale->NormalizeDate($this->iStart)+SECPERDAY/2;
- $x = $aScale->TranslateDate($d);
- $y = $aScale->TranslateVertPos($this->iVPos)-($aScale->GetVertSpacing()/2);
-
- $this->StrokeActInfo($aImg,$aScale,$y);
-
- // CSIM for title
- if( ! empty($this->title->csimtarget) ) {
-
- $yt = round($y - $this->title->GetHeight($aImg)/2);
- $yb = round($y + $this->title->GetHeight($aImg)/2);
-
- $colwidth = $this->title->GetColWidth($aImg);
- $colstarts=array();
- $aScale->actinfo->GetColStart($aImg,$colstarts,true);
- $n = min(count($colwidth),count($this->title->csimtarget));
- for( $i=0; $i < $n; ++$i ) {
- $title_xt = $colstarts[$i];
- $title_xb = $title_xt + $colwidth[$i];
- $coords = "$title_xt,$yt,$title_xb,$yt,$title_xb,$yb,$title_xt,$yb";
-
- if( !empty($this->title->csimtarget[$i]) ) {
-
- $this->csimarea .= "<area shape=\"poly\" coords=\"$coords\" href=\"".$this->title->csimtarget[$i]."\"";
-
- if( !empty($this->title->csimwintarget[$i]) ) {
- $this->csimarea .= "target=\"".$this->title->csimwintarget[$i]."\"";
- }
-
- if( ! empty($this->title->csimalt[$i]) ) {
- $tmp = $this->title->csimalt[$i];
- $this->csimarea .= " title=\"$tmp\" alt=\"$tmp\" ";
- }
- $this->csimarea .= " />\n";
- }
- }
- }
-
- if( $d < $aScale->iStartDate || $d > $aScale->iEndDate )
- return;
-
- // Remember the coordinates for any constrains linking to
- // this milestone
- $w = $this->mark->GetWidth()/2;
- $this->SetConstrainPos($x,round($y-$w),$x,round($y+$w));
-
- // Setup CSIM
- if( $this->csimtarget != '' ) {
- $this->mark->SetCSIMTarget( $this->csimtarget );
- $this->mark->SetCSIMAlt( $this->csimalt );
- }
-
- $this->mark->Stroke($aImg,$x,$y);
- $this->caption->Stroke($aImg,$x+$this->mark->width/2+$this->iCaptionMargin,$y);
-
- $this->csimarea .= $this->mark->GetCSIMAreas();
- }
-}
-
-
-//===================================================
-// CLASS GanttVLine
-// Responsible for formatting individual milestones
-//===================================================
-
-class TextPropertyBelow extends TextProperty {
- function __construct($aTxt='') {
- parent::__construct($aTxt);
- }
-
- function GetColWidth($aImg,$aMargin=0) {
- // Since we are not stroking the title in the columns
- // but rather under the graph we want this to return 0.
- return array(0);
- }
-}
-
-class GanttVLine extends GanttPlotObject {
-
- private $iLine,$title_margin=3, $iDayOffset=0.5;
- private $iStartRow = -1, $iEndRow = -1;
-
- //---------------
- // CONSTRUCTOR
- function __construct($aDate,$aTitle="",$aColor="darkred",$aWeight=2,$aStyle="solid") {
- GanttPlotObject::__construct();
- $this->iLine = new LineProperty();
- $this->iLine->SetColor($aColor);
- $this->iLine->SetWeight($aWeight);
- $this->iLine->SetStyle($aStyle);
- $this->iStart = $aDate;
- $this->title = new TextPropertyBelow();
- $this->title->Set($aTitle);
- }
-
- //---------------
- // PUBLIC METHODS
-
- // Set start and end rows for the VLine. By default the entire heigh of the
- // Gantt chart is used
- function SetRowSpan($aStart, $aEnd=-1) {
- $this->iStartRow = $aStart;
- $this->iEndRow = $aEnd;
- }
-
- function SetDayOffset($aOff=0.5) {
- if( $aOff < 0.0 || $aOff > 1.0 ) {
- JpGraphError::RaiseL(6029);
- //("Offset for vertical line must be in range [0,1]");
- }
- $this->iDayOffset = $aOff;
- }
-
- function SetTitleMargin($aMarg) {
- $this->title_margin = $aMarg;
- }
-
- function SetWeight($aWeight) {
- $this->iLine->SetWeight($aWeight);
- }
-
- function Stroke($aImg,$aScale) {
- $d = $aScale->NormalizeDate($this->iStart);
- if( $d < $aScale->iStartDate || $d > $aScale->iEndDate )
- return;
- if($this->iDayOffset != 0.0)
- $d += 24*60*60*$this->iDayOffset;
- $x = $aScale->TranslateDate($d);//d=1006858800,
-
- if( $this->iStartRow > -1 ) {
- $y1 = $aScale->TranslateVertPos($this->iStartRow,true) ;
- }
- else {
- $y1 = $aScale->iVertHeaderSize+$aImg->top_margin;
- }
-
- if( $this->iEndRow > -1 ) {
- $y2 = $aScale->TranslateVertPos($this->iEndRow);
- }
- else {
- $y2 = $aImg->height - $aImg->bottom_margin;
- }
-
- $this->iLine->Stroke($aImg,$x,$y1,$x,$y2);
- $this->title->Align("center","top");
- $this->title->Stroke($aImg,$x,$y2+$this->title_margin);
- }
-}
-
-//===================================================
-// CLASS LinkArrow
-// Handles the drawing of a an arrow
-//===================================================
-class LinkArrow {
- private $ix,$iy;
- private $isizespec = array(
- array(2,3),array(3,5),array(3,8),array(6,15),array(8,22));
- private $iDirection=ARROW_DOWN,$iType=ARROWT_SOLID,$iSize=ARROW_S2;
- private $iColor='black';
-
- function __construct($x,$y,$aDirection,$aType=ARROWT_SOLID,$aSize=ARROW_S2) {
- $this->iDirection = $aDirection;
- $this->iType = $aType;
- $this->iSize = $aSize;
- $this->ix = $x;
- $this->iy = $y;
- }
-
- function SetColor($aColor) {
- $this->iColor = $aColor;
- }
-
- function SetSize($aSize) {
- $this->iSize = $aSize;
- }
-
- function SetType($aType) {
- $this->iType = $aType;
- }
-
- function Stroke($aImg) {
- list($dx,$dy) = $this->isizespec[$this->iSize];
- $x = $this->ix;
- $y = $this->iy;
- switch ( $this->iDirection ) {
- case ARROW_DOWN:
- $c = array($x,$y,$x-$dx,$y-$dy,$x+$dx,$y-$dy,$x,$y);
- break;
- case ARROW_UP:
- $c = array($x,$y,$x-$dx,$y+$dy,$x+$dx,$y+$dy,$x,$y);
- break;
- case ARROW_LEFT:
- $c = array($x,$y,$x+$dy,$y-$dx,$x+$dy,$y+$dx,$x,$y);
- break;
- case ARROW_RIGHT:
- $c = array($x,$y,$x-$dy,$y-$dx,$x-$dy,$y+$dx,$x,$y);
- break;
- default:
- JpGraphError::RaiseL(6030);
- //('Unknown arrow direction for link.');
- die();
- break;
- }
- $aImg->SetColor($this->iColor);
- switch( $this->iType ) {
- case ARROWT_SOLID:
- $aImg->FilledPolygon($c);
- break;
- case ARROWT_OPEN:
- $aImg->Polygon($c);
- break;
- default:
- JpGraphError::RaiseL(6031);
- //('Unknown arrow type for link.');
- die();
- break;
- }
- }
-}
-
-//===================================================
-// CLASS GanttLink
-// Handles the drawing of a link line between 2 points
-//===================================================
-
-class GanttLink {
- private $ix1,$ix2,$iy1,$iy2;
- private $iPathType=2,$iPathExtend=15;
- private $iColor='black',$iWeight=1;
- private $iArrowSize=ARROW_S2,$iArrowType=ARROWT_SOLID;
-
- function __construct($x1=0,$y1=0,$x2=0,$y2=0) {
- $this->ix1 = $x1;
- $this->ix2 = $x2;
- $this->iy1 = $y1;
- $this->iy2 = $y2;
- }
-
- function SetPos($x1,$y1,$x2,$y2) {
- $this->ix1 = $x1;
- $this->ix2 = $x2;
- $this->iy1 = $y1;
- $this->iy2 = $y2;
- }
-
- function SetPath($aPath) {
- $this->iPathType = $aPath;
- }
-
- function SetColor($aColor) {
- $this->iColor = $aColor;
- }
-
- function SetArrow($aSize,$aType=ARROWT_SOLID) {
- $this->iArrowSize = $aSize;
- $this->iArrowType = $aType;
- }
-
- function SetWeight($aWeight) {
- $this->iWeight = $aWeight;
- }
-
- function Stroke($aImg) {
- // The way the path for the arrow is constructed is partly based
- // on some heuristics. This is not an exact science but draws the
- // path in a way that, for me, makes esthetic sence. For example
- // if the start and end activities are very close we make a small
- // detour to endter the target horixontally. If there are more
- // space between axctivities then no suh detour is made and the
- // target is "hit" directly vertical. I have tried to keep this
- // simple. no doubt this could become almost infinitive complex
- // and have some real AI. Feel free to modify this.
- // This will no-doubt be tweaked as times go by. One design aim
- // is to avoid having the user choose what types of arrow
- // he wants.
-
- // The arrow is drawn between (x1,y1) to (x2,y2)
- $x1 = $this->ix1 ;
- $x2 = $this->ix2 ;
- $y1 = $this->iy1 ;
- $y2 = $this->iy2 ;
-
- // Depending on if the target is below or above we have to
- // handle thi different.
- if( $y2 > $y1 ) {
- $arrowtype = ARROW_DOWN;
- $midy = round(($y2-$y1)/2+$y1);
- if( $x2 > $x1 ) {
- switch ( $this->iPathType ) {
- case 0:
- $c = array($x1,$y1,$x1,$midy,$x2,$midy,$x2,$y2);
- break;
- case 1:
- case 2:
- case 3:
- $c = array($x1,$y1,$x2,$y1,$x2,$y2);
- break;
- default:
- JpGraphError::RaiseL(6032,$this->iPathType);
- //('Internal error: Unknown path type (='.$this->iPathType .') specified for link.');
- exit(1);
- break;
- }
- }
- else {
- switch ( $this->iPathType ) {
- case 0:
- case 1:
- $c = array($x1,$y1,$x1,$midy,$x2,$midy,$x2,$y2);
- break;
- case 2:
- // Always extend out horizontally a bit from the first point
- // If we draw a link back in time (end to start) and the bars
- // are very close we also change the path so it comes in from
- // the left on the activity
- $c = array($x1,$y1,$x1+$this->iPathExtend,$y1,
- $x1+$this->iPathExtend,$midy,
- $x2,$midy,$x2,$y2);
- break;
- case 3:
- if( $y2-$midy < 6 ) {
- $c = array($x1,$y1,$x1,$midy,
- $x2-$this->iPathExtend,$midy,
- $x2-$this->iPathExtend,$y2,
- $x2,$y2);
- $arrowtype = ARROW_RIGHT;
- }
- else {
- $c = array($x1,$y1,$x1,$midy,$x2,$midy,$x2,$y2);
- }
- break;
- default:
- JpGraphError::RaiseL(6032,$this->iPathType);
- //('Internal error: Unknown path type specified for link.');
- exit(1);
- break;
- }
- }
- $arrow = new LinkArrow($x2,$y2,$arrowtype);
- }
- else {
- // Y2 < Y1
- $arrowtype = ARROW_UP;
- $midy = round(($y1-$y2)/2+$y2);
- if( $x2 > $x1 ) {
- switch ( $this->iPathType ) {
- case 0:
- case 1:
- $c = array($x1,$y1,$x1,$midy,$x2,$midy,$x2,$y2);
- break;
- case 3:
- if( $midy-$y2 < 8 ) {
- $arrowtype = ARROW_RIGHT;
- $c = array($x1,$y1,$x1,$y2,$x2,$y2);
- }
- else {
- $c = array($x1,$y1,$x1,$midy,$x2,$midy,$x2,$y2);
- }
- break;
- default:
- JpGraphError::RaiseL(6032,$this->iPathType);
- //('Internal error: Unknown path type specified for link.');
- break;
- }
- }
- else {
- switch ( $this->iPathType ) {
- case 0:
- case 1:
- $c = array($x1,$y1,$x1,$midy,$x2,$midy,$x2,$y2);
- break;
- case 2:
- // Always extend out horizontally a bit from the first point
- $c = array($x1,$y1,$x1+$this->iPathExtend,$y1,
- $x1+$this->iPathExtend,$midy,
- $x2,$midy,$x2,$y2);
- break;
- case 3:
- if( $midy-$y2 < 16 ) {
- $arrowtype = ARROW_RIGHT;
- $c = array($x1,$y1,$x1,$midy,$x2-$this->iPathExtend,$midy,
- $x2-$this->iPathExtend,$y2,
- $x2,$y2);
- }
- else {
- $c = array($x1,$y1,$x1,$midy,$x2,$midy,$x2,$y2);
- }
- break;
- default:
- JpGraphError::RaiseL(6032,$this->iPathType);
- //('Internal error: Unknown path type specified for link.');
- break;
- }
- }
- $arrow = new LinkArrow($x2,$y2,$arrowtype);
- }
- $aImg->SetColor($this->iColor);
- $aImg->SetLineWeight($this->iWeight);
- $aImg->Polygon($c);
- $aImg->SetLineWeight(1);
- $arrow->SetColor($this->iColor);
- $arrow->SetSize($this->iArrowSize);
- $arrow->SetType($this->iArrowType);
- $arrow->Stroke($aImg);
- }
-}
-
-// <EOF>
-?>
generated by cgit (git 2.34.1) at 2025-06-15 22:10:54 +0000