--- /dev/null
+<?php
+require_once('util.php');
+ class gChart{
+ private $baseUrl = "http://chart.apis.google.com/chart?";
+ private $scalar = 1;
+
+ public $types = array ("lc","lxy","bhs","bvs","bhg","bvg","p","p3","v","s");
+ public $type = 1;
+ public $dataEncodingType = "t";
+ public $values = Array();
+ protected $scaledValues = Array();
+ public $valueLabels;
+ public $dataColors;
+ public $width = 200; //default
+ public $height = 200; //default
+ private $title;
+
+
+ public function setTitle($newTitle){
+ $this->title = str_replace("\r\n", "|", $newTitle);
+ $this->title = str_replace(" ", "+", $this->title);
+ }
+
+
+ protected function encodeData($data, $encoding, $separator){
+ switch ($this->dataEncodingType){
+ case "s":
+ return $this->simpleEncodeData();
+ case "e":
+ return $this->extendedEncodeData();
+ default:{
+ $retStr = $this->textEncodeData($data, $separator, "|");
+ $retStr = trim($retStr, "|");
+ return $retStr;
+ }
+ }
+ }
+
+ private function textEncodeData($data, $separator, $datasetSeparator){
+ $retStr = "";
+ if(!is_array($data))
+ return $data;
+ foreach($data as $currValue){
+ if(is_array($currValue))
+ $retStr .= $this->textEncodeData($currValue, $separator, $datasetSeparator);
+ else
+ $retStr .= $currValue.$separator;
+ }
+
+ $retStr = trim($retStr, $separator);
+ $retStr .= $datasetSeparator;
+ return $retStr;
+ }
+
+ public function addDataSet($dataArray){
+ array_push($this->values, $dataArray);
+ }
+ public function clearDataSets(){
+ $this->values = Array();
+ }
+
+ private function simpleEncodeData(){
+ return "";
+ }
+
+ private function extendedEncodeData(){
+ return "";
+ }
+
+ protected function prepForUrl(){
+ $this->scaleValues();
+ }
+ protected function concatUrl(){
+ $fullUrl .= $this->baseUrl;
+ $fullUrl .= "cht=".$this->types[$this->type];
+ $fullUrl .= "&chs=".$this->width."x".$this->height;
+ $fullUrl .= "&chd=".$this->dataEncodingType.":".$this->encodeData($this->scaledValues,"" ,",");
+ if(isset($this->valueLabels))
+ $fullUrl .= "&chdl=".$this->encodeData($this->getApplicableLabels($this->valueLabels),"", "|");
+ $fullUrl .= "&chco=".$this->encodeData($this->dataColors,"", ",");
+ if(isset($this->title))
+ $fullUrl .= "&chtt=".$this->title;
+
+ return $fullUrl;
+ }
+ protected function getApplicableLabels($labels){
+ $trimmedValueLabels = $labels;
+ return array_splice($trimmedValueLabels, 0, count($this->values));
+ }
+ public function getUrl(){
+ $this->prepForUrl();
+ return $this->concatUrl();
+ }
+
+ public function printIt(){
+ print "<br>Scalar:$this->scalar <br>";
+ print "<br>Values:".print_r($this->values) ."<br>";
+ print "<br>Values:".print_r($this->scaledValues) ."<br>";
+ }
+
+ protected function scaleValues(){
+ $this->setScalar();
+ $this->scaledValues = utility::getScaledArray($this->values, $this->scalar);
+ }
+
+
+ function setScalar(){
+ $maxValue = 100;
+ $maxValue = max($maxValue, utility::getMaxOfArray($this->values));
+ if($maxValue <100)
+ $this->scalar = 1;
+ else
+ $this->scalar = 100/$maxValue;
+ }
+ }
+
+ class gPieChart extends gChart{
+ function __construct(){
+ $this->type = 6;
+ $this->width = $this->height * 1.5;
+ }
+ function setScalar(){
+ return 1;
+ }
+
+ public function getUrl(){
+ $retStr = parent::getUrl();
+ $retStr .= "&chl=".$this->encodeData($this->valueLabels,"", "|");
+ return $retStr;
+ }
+ private function getScaledArray($unscaledArray, $scalar){
+ return $unscaledArray;
+ }
+ public function set3D($is3d){
+ if($is3d){
+ $this->type = 7;
+ $this->width = $this->height * 2;
+ }
+ else{
+ $this->type = 6;
+ $this->width = $this->height * 1.5;
+ }
+ }
+ }
+
+ class gLineChart extends gChart{
+ function __construct(){
+ $this->type = 0;
+ }
+ }
+
+ class gBarChart extends gChart{
+ public $barWidth;
+ public $groupSpacerWidth = 1;
+ protected $totalBars = 1;
+ private $isHoriz = false;
+ public function getUrl(){
+ $this->scaleValues();
+ $retStr = parent::concatUrl();
+ $this->setBarWidth();
+ $retStr .= "&chbh=$this->barWidth,$this->groupSpacerWidth";
+ return $retStr;
+ }
+
+ function setBarCount(){
+ $this->totalBars = utility::count_r($this->values);
+ }
+
+ private function setBarWidth(){
+ if(isset($this->barWidth))
+ return;
+ $this->setBarCount();
+ $totalGroups = utility::getMaxCountOfArray($this->values);
+ $chartSize = $this->width - 50;
+ if($this->isHoriz)
+ $chartSize = $this->height - 50;
+ $chartSize -= $totalGroups * $this->groupSpacerWidth;
+ $this->barWidth = round($chartSize/$this->totalBars);
+ }
+
+ }
+ class gGroupedBarChart extends gBarChart{
+ function __construct(){
+ $this->type = 5;
+ }
+
+ public function setHorizontal($isHorizontal){
+ if($isHorizontal){
+ $this->type = 4;
+ }
+ else{
+ $this->type = 5;
+ }
+ $this->isHoriz = $isHorizontal;
+ }
+
+ }
+ class gStackedBarChart extends gBarChart{
+ function __construct(){
+ $this->type = 3;
+ }
+
+ function setBarCount(){
+ $this->totalBars = utility::getMaxCountOfArray($this->values);
+ }
+
+ public function setHorizontal($isHorizontal){
+ if($isHorizontal){
+ $this->type = 2;
+ }
+ else{
+ $this->type = 3;
+ }
+ $this->isHoriz = $isHorizontal;
+ }
+
+ protected function scaleValues(){
+ $this->setScalar();
+ $this->scaledValues = utility::getScaledArray($this->values, $this->scalar);
+ }
+
+ function setScalar(){
+ $maxValue = 100;
+ $maxValue = max($maxValue, utility::getMaxOfArray(utility::addArrays($this->values)));
+ if($maxValue <100)
+ $this->scalar = 1;
+ else
+ $this->scalar = 100/$maxValue;
+ }
+
+ }
+
+
+?>
BGBM BDI Projects / geo.git / blobdiff