diff options
Diffstat (limited to 'html/jpgraph/jpgraph_date.php')
| -rw-r--r-- | html/jpgraph/jpgraph_date.php | 499 |
1 files changed, 499 insertions, 0 deletions
diff --git a/html/jpgraph/jpgraph_date.php b/html/jpgraph/jpgraph_date.php new file mode 100644 index 0000000..db4c441 --- /dev/null +++ b/html/jpgraph/jpgraph_date.php @@ -0,0 +1,499 @@ +<?php +/*======================================================================= + // File: JPGRAPH_DATE.PHP + // Description: Classes to handle Date scaling + // Created: 2005-05-02 + // Ver: $Id: jpgraph_date.php 1106 2009-02-22 20:16:35Z ljp $ + // + // Copyright (c) Asial Corporation. All rights reserved. + //======================================================================== + */ + +define('HOURADJ_1',0+30); +define('HOURADJ_2',1+30); +define('HOURADJ_3',2+30); +define('HOURADJ_4',3+30); +define('HOURADJ_6',4+30); +define('HOURADJ_12',5+30); + +define('MINADJ_1',0+20); +define('MINADJ_5',1+20); +define('MINADJ_10',2+20); +define('MINADJ_15',3+20); +define('MINADJ_30',4+20); + +define('SECADJ_1',0); +define('SECADJ_5',1); +define('SECADJ_10',2); +define('SECADJ_15',3); +define('SECADJ_30',4); + + +define('YEARADJ_1',0+30); +define('YEARADJ_2',1+30); +define('YEARADJ_5',2+30); + +define('MONTHADJ_1',0+20); +define('MONTHADJ_6',1+20); + +define('DAYADJ_1',0); +define('DAYADJ_WEEK',1); +define('DAYADJ_7',1); + +define('SECPERYEAR',31536000); +define('SECPERDAY',86400); +define('SECPERHOUR',3600); +define('SECPERMIN',60); + + +class DateScale extends LinearScale { + private $date_format = ''; + private $iStartAlign = false, $iEndAlign = false; + private $iStartTimeAlign = false, $iEndTimeAlign = false; + + //--------------- + // CONSTRUCTOR + function __construct($aMin=0,$aMax=0,$aType='x') { + assert($aType=="x"); + assert($aMin<=$aMax); + + $this->type=$aType; + $this->scale=array($aMin,$aMax); + $this->world_size=$aMax-$aMin; + $this->ticks = new LinearTicks(); + $this->intscale=true; + } + + + //------------------------------------------------------------------------------------------ + // Utility Function AdjDate() + // Description: Will round a given time stamp to an even year, month or day + // argument. + //------------------------------------------------------------------------------------------ + + function AdjDate($aTime,$aRound=0,$aYearType=false,$aMonthType=false,$aDayType=false) { + $y = (int)date('Y',$aTime); $m = (int)date('m',$aTime); $d = (int)date('d',$aTime); + $h=0;$i=0;$s=0; + if( $aYearType !== false ) { + $yearAdj = array(0=>1, 1=>2, 2=>5); + if( $aRound == 0 ) { + $y = floor($y/$yearAdj[$aYearType])*$yearAdj[$aYearType]; + } + else { + ++$y; + $y = ceil($y/$yearAdj[$aYearType])*$yearAdj[$aYearType]; + } + $m=1;$d=1; + } + elseif( $aMonthType !== false ) { + $monthAdj = array(0=>1, 1=>6); + if( $aRound == 0 ) { + $m = floor($m/$monthAdj[$aMonthType])*$monthAdj[$aMonthType]; + $d=1; + } + else { + ++$m; + $m = ceil($m/$monthAdj[$aMonthType])*$monthAdj[$aMonthType]; + $d=1; + } + } + elseif( $aDayType !== false ) { + if( $aDayType == 0 ) { + if( $aRound == 1 ) { + //++$d; + $h=23;$i=59;$s=59; + } + } + else { + // Adjust to an even week boundary. + $w = (int)date('w',$aTime); // Day of week 0=Sun, 6=Sat + if( true ) { // Adjust to start on Mon + if( $w==0 ) $w=6; + else --$w; + } + if( $aRound == 0 ) { + $d -= $w; + } + else { + $d += (7-$w); + $h=23;$i=59;$s=59; + } + } + } + return mktime($h,$i,$s,$m,$d,$y); + + } + + //------------------------------------------------------------------------------------------ + // Wrapper for AdjDate that will round a timestamp to an even date rounding + // it downwards. + //------------------------------------------------------------------------------------------ + function AdjStartDate($aTime,$aYearType=false,$aMonthType=false,$aDayType=false) { + return $this->AdjDate($aTime,0,$aYearType,$aMonthType,$aDayType); + } + + //------------------------------------------------------------------------------------------ + // Wrapper for AdjDate that will round a timestamp to an even date rounding + // it upwards + //------------------------------------------------------------------------------------------ + function AdjEndDate($aTime,$aYearType=false,$aMonthType=false,$aDayType=false) { + return $this->AdjDate($aTime,1,$aYearType,$aMonthType,$aDayType); + } + + //------------------------------------------------------------------------------------------ + // Utility Function AdjTime() + // Description: Will round a given time stamp to an even time according to + // argument. + //------------------------------------------------------------------------------------------ + + function AdjTime($aTime,$aRound=0,$aHourType=false,$aMinType=false,$aSecType=false) { + $y = (int)date('Y',$aTime); $m = (int)date('m',$aTime); $d = (int)date('d',$aTime); + $h = (int)date('H',$aTime); $i = (int)date('i',$aTime); $s = (int)date('s',$aTime); + if( $aHourType !== false ) { + $aHourType %= 6; + $hourAdj = array(0=>1, 1=>2, 2=>3, 3=>4, 4=>6, 5=>12); + if( $aRound == 0 ) + $h = floor($h/$hourAdj[$aHourType])*$hourAdj[$aHourType]; + else { + if( ($h % $hourAdj[$aHourType]==0) && ($i > 0 || $s > 0) ) { + $h++; + } + $h = ceil($h/$hourAdj[$aHourType])*$hourAdj[$aHourType]; + if( $h >= 24 ) { + $aTime += 86400; + $y = (int)date('Y',$aTime); $m = (int)date('m',$aTime); $d = (int)date('d',$aTime); + $h -= 24; + } + } + $i=0;$s=0; + } + elseif( $aMinType !== false ) { + $aMinType %= 5; + $minAdj = array(0=>1, 1=>5, 2=>10, 3=>15, 4=>30); + if( $aRound == 0 ) { + $i = floor($i/$minAdj[$aMinType])*$minAdj[$aMinType]; + } + else { + if( ($i % $minAdj[$aMinType]==0) && $s > 0 ) { + $i++; + } + $i = ceil($i/$minAdj[$aMinType])*$minAdj[$aMinType]; + if( $i >= 60) { + $aTime += 3600; + $y = (int)date('Y',$aTime); $m = (int)date('m',$aTime); $d = (int)date('d',$aTime); + $h = (int)date('H',$aTime); $i = 0; + } + } + $s=0; + } + elseif( $aSecType !== false ) { + $aSecType %= 5; + $secAdj = array(0=>1, 1=>5, 2=>10, 3=>15, 4=>30); + if( $aRound == 0 ) { + $s = floor($s/$secAdj[$aSecType])*$secAdj[$aSecType]; + } + else { + $s = ceil($s/$secAdj[$aSecType]*1.0)*$secAdj[$aSecType]; + if( $s >= 60) { + $s=0; + $aTime += 60; + $y = (int)date('Y',$aTime); $m = (int)date('m',$aTime); $d = (int)date('d',$aTime); + $h = (int)date('H',$aTime); $i = (int)date('i',$aTime); + } + } + } + return mktime($h,$i,$s,$m,$d,$y); + } + + //------------------------------------------------------------------------------------------ + // Wrapper for AdjTime that will round a timestamp to an even time rounding + // it downwards. + // Example: AdjStartTime(mktime(18,27,13,2,22,2005),false,2) => 18:20 + //------------------------------------------------------------------------------------------ + function AdjStartTime($aTime,$aHourType=false,$aMinType=false,$aSecType=false) { + return $this->AdjTime($aTime,0,$aHourType,$aMinType,$aSecType); + } + + //------------------------------------------------------------------------------------------ + // Wrapper for AdjTime that will round a timestamp to an even time rounding + // it upwards + // Example: AdjEndTime(mktime(18,27,13,2,22,2005),false,2) => 18:30 + //------------------------------------------------------------------------------------------ + function AdjEndTime($aTime,$aHourType=false,$aMinType=false,$aSecType=false) { + return $this->AdjTime($aTime,1,$aHourType,$aMinType,$aSecType); + } + + //------------------------------------------------------------------------------------------ + // DateAutoScale + // Autoscale a date axis given start and end time + // Returns an array ($start,$end,$major,$minor,$format) + //------------------------------------------------------------------------------------------ + function DoDateAutoScale($aStartTime,$aEndTime,$aDensity=0,$aAdjust=true) { + // Format of array + // array ( Decision point, array( array( Major-scale-step-array ), + // array( Minor-scale-step-array ), + // array( 0=date-adjust, 1=time-adjust, adjustment-alignment) ) + // + $scalePoints = + array( + /* Intervall larger than 10 years */ + SECPERYEAR*10,array(array(SECPERYEAR*5,SECPERYEAR*2), + array(SECPERYEAR), + array(0,YEARADJ_1, 0,YEARADJ_1) ), + + /* Intervall larger than 2 years */ + SECPERYEAR*2,array(array(SECPERYEAR),array(SECPERYEAR), + array(0,YEARADJ_1) ), + + /* Intervall larger than 90 days (approx 3 month) */ + SECPERDAY*90,array(array(SECPERDAY*30,SECPERDAY*14,SECPERDAY*7,SECPERDAY), + array(SECPERDAY*5,SECPERDAY*7,SECPERDAY,SECPERDAY), + array(0,MONTHADJ_1, 0,DAYADJ_WEEK, 0,DAYADJ_1, 0,DAYADJ_1)), + + /* Intervall larger than 30 days (approx 1 month) */ + SECPERDAY*30,array(array(SECPERDAY*14,SECPERDAY*7,SECPERDAY*2, SECPERDAY), + array(SECPERDAY,SECPERDAY,SECPERDAY,SECPERDAY), + array(0,DAYADJ_WEEK, 0,DAYADJ_1, 0,DAYADJ_1, 0,DAYADJ_1)), + + /* Intervall larger than 7 days */ + SECPERDAY*7,array(array(SECPERDAY,SECPERHOUR*12,SECPERHOUR*6,SECPERHOUR*2), + array(SECPERHOUR*6,SECPERHOUR*3,SECPERHOUR,SECPERHOUR), + array(0,DAYADJ_1, 1,HOURADJ_12, 1,HOURADJ_6, 1,HOURADJ_1)), + + /* Intervall larger than 1 day */ + SECPERDAY,array(array(SECPERDAY,SECPERHOUR*12,SECPERHOUR*6,SECPERHOUR*2,SECPERHOUR), + array(SECPERHOUR*6,SECPERHOUR*2,SECPERHOUR,SECPERHOUR,SECPERHOUR), + array(1,HOURADJ_12, 1,HOURADJ_6, 1,HOURADJ_1, 1,HOURADJ_1)), + + /* Intervall larger than 12 hours */ + SECPERHOUR*12,array(array(SECPERHOUR*2,SECPERHOUR,SECPERMIN*30,900,600), + array(1800,1800,900,300,300), + array(1,HOURADJ_1, 1,MINADJ_30, 1,MINADJ_15, 1,MINADJ_10, 1,MINADJ_5) ), + + /* Intervall larger than 2 hours */ + SECPERHOUR*2,array(array(SECPERHOUR,SECPERMIN*30,900,600,300), + array(1800,900,300,120,60), + array(1,HOURADJ_1, 1,MINADJ_30, 1,MINADJ_15, 1,MINADJ_10, 1,MINADJ_5) ), + + /* Intervall larger than 1 hours */ + SECPERHOUR,array(array(SECPERMIN*30,900,600,300),array(900,300,120,60), + array(1,MINADJ_30, 1,MINADJ_15, 1,MINADJ_10, 1,MINADJ_5) ), + + /* Intervall larger than 30 min */ + SECPERMIN*30,array(array(SECPERMIN*15,SECPERMIN*10,SECPERMIN*5,SECPERMIN), + array(300,300,60,10), + array(1,MINADJ_15, 1,MINADJ_10, 1,MINADJ_5, 1,MINADJ_1)), + + /* Intervall larger than 1 min */ + SECPERMIN,array(array(SECPERMIN,15,10,5), + array(15,5,2,1), + array(1,MINADJ_1, 1,SECADJ_15, 1,SECADJ_10, 1,SECADJ_5)), + + /* Intervall larger than 10 sec */ + 10,array(array(5,2), + array(1,1), + array(1,SECADJ_5, 1,SECADJ_1)), + + /* Intervall larger than 1 sec */ + 1,array(array(1), + array(1), + array(1,SECADJ_1)), + ); + + $ns = count($scalePoints); + // Establish major and minor scale units for the date scale + $diff = $aEndTime - $aStartTime; + if( $diff < 1 ) return false; + $done=false; + $i=0; + while( ! $done ) { + if( $diff > $scalePoints[2*$i] ) { + // Get major and minor scale for this intervall + $scaleSteps = $scalePoints[2*$i+1]; + $major = $scaleSteps[0][min($aDensity,count($scaleSteps[0])-1)]; + // Try to find out which minor step looks best + $minor = $scaleSteps[1][min($aDensity,count($scaleSteps[1])-1)]; + if( $aAdjust ) { + // Find out how we should align the start and end timestamps + $idx = 2*min($aDensity,floor(count($scaleSteps[2])/2)-1); + if( $scaleSteps[2][$idx] === 0 ) { + // Use date adjustment + $adj = $scaleSteps[2][$idx+1]; + if( $adj >= 30 ) { + $start = $this->AdjStartDate($aStartTime,$adj-30); + $end = $this->AdjEndDate($aEndTime,$adj-30); + } + elseif( $adj >= 20 ) { + $start = $this->AdjStartDate($aStartTime,false,$adj-20); + $end = $this->AdjEndDate($aEndTime,false,$adj-20); + } + else { + $start = $this->AdjStartDate($aStartTime,false,false,$adj); + $end = $this->AdjEndDate($aEndTime,false,false,$adj); + // We add 1 second for date adjustment to make sure we end on 00:00 the following day + // This makes the final major tick be srawn when we step day-by-day instead of ending + // on xx:59:59 which would not draw the final major tick + $end++; + } + } + else { + // Use time adjustment + $adj = $scaleSteps[2][$idx+1]; + if( $adj >= 30 ) { + $start = $this->AdjStartTime($aStartTime,$adj-30); + $end = $this->AdjEndTime($aEndTime,$adj-30); + } + elseif( $adj >= 20 ) { + $start = $this->AdjStartTime($aStartTime,false,$adj-20); + $end = $this->AdjEndTime($aEndTime,false,$adj-20); + } + else { + $start = $this->AdjStartTime($aStartTime,false,false,$adj); + $end = $this->AdjEndTime($aEndTime,false,false,$adj); + } + } + } + // If the overall date span is larger than 1 day ten we show date + $format = ''; + if( ($end-$start) > SECPERDAY ) { + $format = 'Y-m-d '; + } + // If the major step is less than 1 day we need to whow hours + min + if( $major < SECPERDAY ) { + $format .= 'H:i'; + } + // If the major step is less than 1 min we need to show sec + if( $major < 60 ) { + $format .= ':s'; + } + $done=true; + } + ++$i; + } + return array($start,$end,$major,$minor,$format); + } + + // Overrides the automatic determined date format. Must be a valid date() format string + function SetDateFormat($aFormat) { + $this->date_format = $aFormat; + $this->ticks->SetLabelDateFormat($this->date_format); + } + + function AdjustForDST($aFlg=true) { + $this->ticks->AdjustForDST($aFlg); + } + + + function SetDateAlign($aStartAlign,$aEndAlign=false) { + if( $aEndAlign === false ) { + $aEndAlign=$aStartAlign; + } + $this->iStartAlign = $aStartAlign; + $this->iEndAlign = $aEndAlign; + } + + function SetTimeAlign($aStartAlign,$aEndAlign=false) { + if( $aEndAlign === false ) { + $aEndAlign=$aStartAlign; + } + $this->iStartTimeAlign = $aStartAlign; + $this->iEndTimeAlign = $aEndAlign; + } + + + function AutoScale($img,$aStartTime,$aEndTime,$aNumSteps,$_adummy=false) { + // We need to have one dummy argument to make the signature of AutoScale() + // identical to LinearScale::AutoScale + if( $aStartTime == $aEndTime ) { + // Special case when we only have one data point. + // Create a small artifical intervall to do the autoscaling + $aStartTime -= 10; + $aEndTime += 10; + } + $done=false; + $i=0; + while( ! $done && $i < 5) { + list($adjstart,$adjend,$maj,$min,$format) = $this->DoDateAutoScale($aStartTime,$aEndTime,$i); + $n = floor(($adjend-$adjstart)/$maj); + if( $n * 1.7 > $aNumSteps ) { + $done=true; + } + $i++; + } + + /* + if( 0 ) { // DEBUG + echo " Start =".date("Y-m-d H:i:s",$aStartTime)."<br>"; + echo " End =".date("Y-m-d H:i:s",$aEndTime)."<br>"; + echo "Adj Start =".date("Y-m-d H:i:s",$adjstart)."<br>"; + echo "Adj End =".date("Y-m-d H:i:s",$adjend)."<p>"; + echo "Major = $maj s, ".floor($maj/60)."min, ".floor($maj/3600)."h, ".floor($maj/86400)."day<br>"; + echo "Min = $min s, ".floor($min/60)."min, ".floor($min/3600)."h, ".floor($min/86400)."day<br>"; + echo "Format=$format<p>"; + } + */ + + if( $this->iStartTimeAlign !== false && $this->iStartAlign !== false ) { + JpGraphError::RaiseL(3001); + //('It is only possible to use either SetDateAlign() or SetTimeAlign() but not both'); + } + + if( $this->iStartTimeAlign !== false ) { + if( $this->iStartTimeAlign >= 30 ) { + $adjstart = $this->AdjStartTime($aStartTime,$this->iStartTimeAlign-30); + } + elseif( $this->iStartTimeAlign >= 20 ) { + $adjstart = $this->AdjStartTime($aStartTime,false,$this->iStartTimeAlign-20); + } + else { + $adjstart = $this->AdjStartTime($aStartTime,false,false,$this->iStartTimeAlign); + } + } + if( $this->iEndTimeAlign !== false ) { + if( $this->iEndTimeAlign >= 30 ) { + $adjend = $this->AdjEndTime($aEndTime,$this->iEndTimeAlign-30); + } + elseif( $this->iEndTimeAlign >= 20 ) { + $adjend = $this->AdjEndTime($aEndTime,false,$this->iEndTimeAlign-20); + } + else { + $adjend = $this->AdjEndTime($aEndTime,false,false,$this->iEndTimeAlign); + } + } + + + + if( $this->iStartAlign !== false ) { + if( $this->iStartAlign >= 30 ) { + $adjstart = $this->AdjStartDate($aStartTime,$this->iStartAlign-30); + } + elseif( $this->iStartAlign >= 20 ) { + $adjstart = $this->AdjStartDate($aStartTime,false,$this->iStartAlign-20); + } + else { + $adjstart = $this->AdjStartDate($aStartTime,false,false,$this->iStartAlign); + } + } + if( $this->iEndAlign !== false ) { + if( $this->iEndAlign >= 30 ) { + $adjend = $this->AdjEndDate($aEndTime,$this->iEndAlign-30); + } + elseif( $this->iEndAlign >= 20 ) { + $adjend = $this->AdjEndDate($aEndTime,false,$this->iEndAlign-20); + } + else { + $adjend = $this->AdjEndDate($aEndTime,false,false,$this->iEndAlign); + } + } + $this->Update($img,$adjstart,$adjend); + if( ! $this->ticks->IsSpecified() ) + $this->ticks->Set($maj,$min); + if( $this->date_format == '' ) + $this->ticks->SetLabelDateFormat($format); + else + $this->ticks->SetLabelDateFormat($this->date_format); + } +} + + +?> |