New file |
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) Aditus Consulting. 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); |
} |
} |
|
|
?> |