02c9be54ed
* Adjusted mmcfe-ng occurences in code * Adjusted Database strucutre to only supply the full structure * Adjusted default template to MPOS Addresses #643
796 lines
24 KiB
JavaScript
796 lines
24 KiB
JavaScript
/**
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* --------------------------------------------------------------------
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* jQuery-Plugin "visualize"
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* by Scott Jehl, scott@filamentgroup.com
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* http://www.filamentgroup.com
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* Copyright (c) 2009 Filament Group
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* Dual licensed under the MIT (filamentgroup.com/examples/mit-license.txt) and GPL (filamentgroup.com/examples/gpl-license.txt) licenses.
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*
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* --------------------------------------------------------------------
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*/
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(function($) {
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$.fn.visualize = function(options, container){
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return $(this).each(function(){
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//configuration
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var o = $.extend({
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type: 'bar', //also available: area, pie, line
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width: $(this).width(), //height of canvas - defaults to table height
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height: $(this).height(), //height of canvas - defaults to table height
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appendTitle: true, //table caption text is added to chart
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title: null, //grabs from table caption if null
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appendKey: true, //color key is added to chart
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colors: ['#be1e2d','#666699','#92d5ea','#ee8310','#8d10ee','#5a3b16','#26a4ed','#f45a90','#e9e744'],
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textColors: [], //corresponds with colors array. null/undefined items will fall back to CSS
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parseDirection: 'x', //which direction to parse the table data
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pieMargin: 10, //pie charts only - spacing around pie
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pieLabelsAsPercent: true,
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pieLabelPos: 'inside',
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lineWeight: 4, //for line and area - stroke weight
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lineDots: false, //also available: 'single', 'double'
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dotInnerColor: "#ffffff", // only used for lineDots:'double'
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lineMargin: (options.lineDots?15:0), //for line and area - spacing around lines
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barGroupMargin: 10,
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chartId: '',
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xLabelParser: null, // function to parse labels as values
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valueParser: null, // function to parse values. must return a Number
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chartId: '',
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chartClass: '',
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barMargin: 1, //space around bars in bar chart (added to both sides of bar)
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yLabelInterval: 30, //distance between y labels
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interaction: false // only used for lineDots != false -- triggers mouseover and mouseout on original table
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},options);
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//reset width, height to numbers
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o.width = parseFloat(o.width);
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o.height = parseFloat(o.height);
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// reset padding if graph is not lines
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if(o.type != 'line' && o.type != 'area' ) {
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o.lineMargin = 0;
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}
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var self = $(this);
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// scrape data from html table
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var tableData = {};
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var colors = o.colors;
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var textColors = o.textColors;
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var parseLabels = function(direction){
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var labels = [];
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if(direction == 'x'){
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self.find('thead tr').each(function(i){
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$(this).find('th').each(function(j){
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if(!labels[j]) {
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labels[j] = [];
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}
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labels[j][i] = $(this).text()
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})
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});
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}
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else {
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self.find('tbody tr').each(function(i){
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$(this).find('th').each(function(j) {
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if(!labels[i]) {
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labels[i] = [];
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}
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labels[i][j] = $(this).text()
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});
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});
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}
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return labels;
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};
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var fnParse = o.valueParser || parseFloat;
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var dataGroups = tableData.dataGroups = [];
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if(o.parseDirection == 'x'){
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self.find('tbody tr').each(function(i,tr){
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dataGroups[i] = {};
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dataGroups[i].points = [];
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dataGroups[i].color = colors[i];
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if(textColors[i]){ dataGroups[i].textColor = textColors[i]; }
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$(tr).find('td').each(function(j,td){
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dataGroups[i].points.push( {
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value: fnParse($(td).text()),
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elem: td,
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tableCords: [i,j]
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} );
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});
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});
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} else {
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var cols = self.find('tbody tr:eq(0) td').size();
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for(var i=0; i<cols; i++){
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dataGroups[i] = {};
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dataGroups[i].points = [];
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dataGroups[i].color = colors[i];
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if(textColors[i]){ dataGroups[i].textColor = textColors[i]; }
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self.find('tbody tr').each(function(j){
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dataGroups[i].points.push( {
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value: $(this).find('td').eq(i).text()*1,
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elem: this,
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tableCords: [i,j]
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} );
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});
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};
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}
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var allItems = tableData.allItems = [];
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$(dataGroups).each(function(i,row){
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var count = 0;
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$.each(row.points,function(j,point){
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allItems.push(point);
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count += point.value;
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});
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row.groupTotal = count;
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});
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tableData.dataSum = 0;
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tableData.topValue = 0;
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tableData.bottomValue = Infinity;
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$.each(allItems,function(i,item){
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tableData.dataSum += fnParse(item.value);
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if(fnParse(item.value,10)>tableData.topValue) {
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tableData.topValue = fnParse(item.value,10);
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}
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if(item.value<tableData.bottomValue) {
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tableData.bottomValue = fnParse(item.value);
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}
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});
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var dataSum = tableData.dataSum;
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var topValue = tableData.topValue;
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var bottomValue = tableData.bottomValue;
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var xAllLabels = tableData.xAllLabels = parseLabels(o.parseDirection);
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var yAllLabels = tableData.yAllLabels = parseLabels(o.parseDirection==='x'?'y':'x');
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var xLabels = tableData.xLabels = [];
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$.each(tableData.xAllLabels,function(i,labels) {
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tableData.xLabels.push(labels[0]);
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});
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var totalYRange = tableData.totalYRange = tableData.topValue - tableData.bottomValue;
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var zeroLocX = tableData.zeroLocX = 0;
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if($.isFunction(o.xLabelParser)) {
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var xTopValue = null;
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var xBottomValue = null;
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$.each(xLabels,function(i,label) {
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label = xLabels[i] = o.xLabelParser(label);
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if(i === 0) {
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xTopValue = label;
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xBottomValue = label;
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}
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if(label>xTopValue) {
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xTopValue = label;
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}
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if(label<xBottomValue) {
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xBottomValue = label;
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}
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});
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var totalXRange = tableData.totalXRange = xTopValue - xBottomValue;
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var xScale = tableData.xScale = (o.width -2*o.lineMargin) / totalXRange;
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var marginDiffX = 0;
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if(o.lineMargin) {
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var marginDiffX = -2*xScale-o.lineMargin;
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}
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zeroLocX = tableData.zeroLocX = xBottomValue + o.lineMargin;
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tableData.xBottomValue = xBottomValue;
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tableData.xTopValue = xTopValue;
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tableData.totalXRange = totalXRange;
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}
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var yScale = tableData.yScale = (o.height - 2*o.lineMargin) / totalYRange;
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var zeroLocY = tableData.zeroLocY = (o.height-2*o.lineMargin) * (tableData.topValue/tableData.totalYRange) + o.lineMargin;
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var yLabels = tableData.yLabels = [];
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var numLabels = Math.floor((o.height - 2*o.lineMargin) / 30);
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var loopInterval = tableData.totalYRange / numLabels; //fix provided from lab
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loopInterval = Math.round(parseFloat(loopInterval)/5)*5;
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loopInterval = Math.max(loopInterval, 1);
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// var start =
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for(var j=Math.round(parseInt(tableData.bottomValue)/5)*5; j<=tableData.topValue+loopInterval; j+=loopInterval){
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yLabels.push(j);
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}
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if(yLabels[yLabels.length-1] > tableData.topValue+loopInterval) {
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yLabels.pop();
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} else if (yLabels[yLabels.length-1] <= tableData.topValue-10) {
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yLabels.push(tableData.topValue);
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}
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// populate some data
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$.each(dataGroups,function(i,row){
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row.yLabels = tableData.yAllLabels[i];
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$.each(row.points, function(j,point){
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point.zeroLocY = tableData.zeroLocY;
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point.zeroLocX = tableData.zeroLocX;
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point.xLabels = tableData.xAllLabels[j];
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point.yLabels = tableData.yAllLabels[i];
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point.color = row.color;
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});
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});
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try{console.log(tableData);}catch(e){}
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var charts = {};
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charts.pie = {
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interactionPoints: dataGroups,
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setup: function() {
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charts.pie.draw(true);
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},
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draw: function(drawHtml){
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var centerx = Math.round(canvas.width()/2);
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var centery = Math.round(canvas.height()/2);
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var radius = centery - o.pieMargin;
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var counter = 0.0;
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if(drawHtml) {
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canvasContain.addClass('visualize-pie');
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if(o.pieLabelPos == 'outside'){ canvasContain.addClass('visualize-pie-outside'); }
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var toRad = function(integer){ return (Math.PI/180)*integer; };
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var labels = $('<ul class="visualize-labels"></ul>')
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.insertAfter(canvas);
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}
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//draw the pie pieces
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$.each(dataGroups, function(i,row){
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var fraction = row.groupTotal / dataSum;
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if (fraction <= 0 || isNaN(fraction))
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return;
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ctx.beginPath();
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ctx.moveTo(centerx, centery);
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ctx.arc(centerx, centery, radius,
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counter * Math.PI * 2 - Math.PI * 0.5,
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(counter + fraction) * Math.PI * 2 - Math.PI * 0.5,
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false);
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ctx.lineTo(centerx, centery);
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ctx.closePath();
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ctx.fillStyle = dataGroups[i].color;
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ctx.fill();
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// draw labels
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if(drawHtml) {
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var sliceMiddle = (counter + fraction/2);
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var distance = o.pieLabelPos == 'inside' ? radius/1.5 : radius + radius / 5;
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var labelx = Math.round(centerx + Math.sin(sliceMiddle * Math.PI * 2) * (distance));
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var labely = Math.round(centery - Math.cos(sliceMiddle * Math.PI * 2) * (distance));
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var leftRight = (labelx > centerx) ? 'right' : 'left';
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var topBottom = (labely > centery) ? 'bottom' : 'top';
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var percentage = parseFloat((fraction*100).toFixed(2));
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// interaction variables
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row.canvasCords = [labelx,labely];
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row.zeroLocY = tableData.zeroLocY = 0; // related to zeroLocY and plugin API
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row.zeroLocX = tableData.zeroLocX = 0; // related to zeroLocX and plugin API
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row.value = row.groupTotal;
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if(percentage){
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var labelval = (o.pieLabelsAsPercent) ? percentage + '%' : row.groupTotal;
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var labeltext = $('<span class="visualize-label">' + labelval +'</span>')
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.css(leftRight, 0)
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.css(topBottom, 0);
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if(labeltext)
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var label = $('<li class="visualize-label-pos"></li>')
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.appendTo(labels)
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.css({left: labelx, top: labely})
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.append(labeltext);
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labeltext
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.css('font-size', radius / 8)
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.css('margin-'+leftRight, -labeltext.width()/2)
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.css('margin-'+topBottom, -labeltext.outerHeight()/2);
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if(dataGroups[i].textColor){ labeltext.css('color', dataGroups[i].textColor); }
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}
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}
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counter+=fraction;
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});
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}
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};
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(function(){
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var xInterval;
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var drawPoint = function (ctx,x,y,color,size) {
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ctx.moveTo(x,y);
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ctx.beginPath();
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ctx.arc(x,y,size/2,0,2*Math.PI,false);
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ctx.closePath();
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ctx.fillStyle = color;
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ctx.fill();
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};
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charts.line = {
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interactionPoints: allItems,
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setup: function(area){
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if(area){ canvasContain.addClass('visualize-area'); }
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else{ canvasContain.addClass('visualize-line'); }
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//write X labels
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var xlabelsUL = $('<ul class="visualize-labels-x"></ul>')
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.width(canvas.width())
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.height(canvas.height())
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.insertBefore(canvas);
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if(!o.customXLabels) {
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xInterval = (canvas.width() - 2*o.lineMargin) / (xLabels.length -1);
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$.each(xLabels, function(i){
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var thisLi = $('<li><span>'+this+'</span></li>')
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.prepend('<span class="line" />')
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.css('left', o.lineMargin + xInterval * i)
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.appendTo(xlabelsUL);
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var label = thisLi.find('span:not(.line)');
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var leftOffset = label.width()/-2;
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if(i == 0){ leftOffset = 0; }
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else if(i== xLabels.length-1){ leftOffset = -label.width(); }
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label
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.css('margin-left', leftOffset)
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.addClass('label');
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});
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} else {
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o.customXLabels(tableData,xlabelsUL);
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}
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//write Y labels
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var liBottom = (canvas.height() - 2*o.lineMargin) / (yLabels.length-1);
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var ylabelsUL = $('<ul class="visualize-labels-y"></ul>')
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.width(canvas.width())
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.height(canvas.height())
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// .css('margin-top',-o.lineMargin)
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.insertBefore(scroller);
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$.each(yLabels, function(i){
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var value = Math.floor(this);
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var posB = (value-bottomValue)*yScale + o.lineMargin;
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if(posB >= o.height-1 || posB < 0) {
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return;
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}
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var thisLi = $('<li><span>'+value+'</span></li>')
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.css('bottom', posB);
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if(Math.abs(posB) < o.height-1) {
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thisLi.prepend('<span class="line" />');
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}
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thisLi.prependTo(ylabelsUL);
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var label = thisLi.find('span:not(.line)');
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var topOffset = label.height()/-2;
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if(!o.lineMargin) {
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if(i == 0){ topOffset = -label.height(); }
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else if(i== yLabels.length-1){ topOffset = 0; }
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}
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label
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.css('margin-top', topOffset)
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.addClass('label');
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});
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//start from the bottom left
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ctx.translate(zeroLocX,zeroLocY);
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charts.line.draw(area);
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},
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draw: function(area) {
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// prevent drawing on top of previous draw
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ctx.clearRect(-zeroLocX,-zeroLocY,o.width,o.height);
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// Calculate each point properties before hand
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var integer;
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$.each(dataGroups,function(i,row){
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integer = o.lineMargin; // the current offset
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$.each(row.points, function(j,point){
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if(o.xLabelParser) {
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point.canvasCords = [(xLabels[j]-zeroLocX)*xScale - xBottomValue,-(point.value*yScale)];
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} else {
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point.canvasCords = [integer,-(point.value*yScale)];
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}
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if(o.lineDots) {
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point.dotSize = o.dotSize||o.lineWeight*Math.PI;
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point.dotInnerSize = o.dotInnerSize||o.lineWeight*Math.PI/2;
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if(o.lineDots == 'double') {
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point.innerColor = o.dotInnerColor;
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}
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}
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integer+=xInterval;
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});
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});
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// fire custom event so we can enable rich interaction
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self.trigger('vizualizeBeforeDraw',{options:o,table:self,canvasContain:canvasContain,tableData:tableData});
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// draw lines and areas
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$.each(dataGroups,function(h){
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// Draw lines
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ctx.beginPath();
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ctx.lineWidth = o.lineWeight;
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ctx.lineJoin = 'round';
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$.each(this.points, function(g){
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var loc = this.canvasCords;
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if(g == 0) {
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ctx.moveTo(loc[0],loc[1]);
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}
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ctx.lineTo(loc[0],loc[1]);
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});
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ctx.strokeStyle = this.color;
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ctx.stroke();
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// Draw fills
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if(area){
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var integer = this.points[this.points.length-1].canvasCords[0];
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if (isFinite(integer))
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ctx.lineTo(integer,0);
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ctx.lineTo(o.lineMargin,0);
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ctx.closePath();
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ctx.fillStyle = this.color;
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ctx.globalAlpha = .3;
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ctx.fill();
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ctx.globalAlpha = 1.0;
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}
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else {ctx.closePath();}
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});
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// draw points
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if(o.lineDots) {
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$.each(dataGroups,function(h){
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$.each(this.points, function(g){
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drawPoint(ctx,this.canvasCords[0],this.canvasCords[1],this.color,this.dotSize);
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if(o.lineDots === 'double') {
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drawPoint(ctx,this.canvasCords[0],this.canvasCords[1],this.innerColor,this.dotInnerSize);
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}
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});
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});
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}
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}
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};
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})();
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charts.area = {
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setup: function() {
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charts.line.setup(true);
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},
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draw: charts.line.draw
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};
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(function(){
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var horizontal,bottomLabels;
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charts.bar = {
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setup:function(){
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/**
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* We can draw horizontal or vertical bars depending on the
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* value of the 'barDirection' option (which may be 'vertical' or
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* 'horizontal').
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*/
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horizontal = (o.barDirection == 'horizontal');
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canvasContain.addClass('visualize-bar');
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/**
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* Write labels along the bottom of the chart. If we're drawing
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* horizontal bars, these will be the yLabels, otherwise they
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* will be the xLabels. The positioning also varies slightly:
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* yLabels are values, hence they will span the whole width of
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* the canvas, whereas xLabels are supposed to line up with the
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* bars.
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*/
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bottomLabels = horizontal ? yLabels : xLabels;
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var xInterval = canvas.width() / (bottomLabels.length - (horizontal ? 1 : 0));
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var xlabelsUL = $('<ul class="visualize-labels-x"></ul>')
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.width(canvas.width())
|
|
.height(canvas.height())
|
|
.insertBefore(canvas);
|
|
|
|
$.each(bottomLabels, function(i){
|
|
var thisLi = $('<li><span class="label">'+this+'</span></li>')
|
|
.prepend('<span class="line" />')
|
|
.css('left', xInterval * i)
|
|
.width(xInterval)
|
|
.appendTo(xlabelsUL);
|
|
|
|
if (horizontal) {
|
|
var label = thisLi.find('span.label');
|
|
label.css("margin-left", -label.width() / 2);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* Write labels along the left of the chart. Follows the same idea
|
|
* as the bottom labels.
|
|
*/
|
|
var leftLabels = horizontal ? xLabels : yLabels;
|
|
var liBottom = canvas.height() / (leftLabels.length - (horizontal ? 0 : 1));
|
|
|
|
var ylabelsUL = $('<ul class="visualize-labels-y"></ul>')
|
|
.width(canvas.width())
|
|
.height(canvas.height())
|
|
.insertBefore(canvas);
|
|
|
|
$.each(leftLabels, function(i){
|
|
var thisLi = $('<li><span>'+this+'</span></li>').prependTo(ylabelsUL);
|
|
|
|
var label = thisLi.find('span:not(.line)').addClass('label');
|
|
|
|
if (horizontal) {
|
|
/**
|
|
* For left labels, we want to vertically align the text
|
|
* to the middle of its container, but we don't know how
|
|
* many lines of text we will have, since the labels could
|
|
* be very long.
|
|
*
|
|
* So we set a min-height of liBottom, and a max-height
|
|
* of liBottom + 1, so we can then check the label's actual
|
|
* height to determine if it spans one line or more lines.
|
|
*/
|
|
label.css({
|
|
'min-height': liBottom,
|
|
'max-height': liBottom + 1,
|
|
'vertical-align': 'middle'
|
|
});
|
|
thisLi.css({'top': liBottom * i, 'min-height': liBottom});
|
|
|
|
var r = label[0].getClientRects()[0];
|
|
if (r.bottom - r.top == liBottom) {
|
|
/* This means we have only one line of text; hence
|
|
* we can centre the text vertically by setting the line-height,
|
|
* as described at:
|
|
* http://www.ampsoft.net/webdesign-l/vertical-aligned-nav-list.html
|
|
*
|
|
* (Although firefox has .height on the rectangle, IE doesn't,
|
|
* so we use r.bottom - r.top rather than r.height.)
|
|
*/
|
|
label.css('line-height', parseInt(liBottom) + 'px');
|
|
}
|
|
else {
|
|
/*
|
|
* If there is more than one line of text, then we shouldn't
|
|
* touch the line height, but we should make sure the text
|
|
* doesn't overflow the container.
|
|
*/
|
|
label.css("overflow", "hidden");
|
|
}
|
|
}
|
|
else {
|
|
thisLi.css('bottom', liBottom * i).prepend('<span class="line" />');
|
|
label.css('margin-top', -label.height() / 2)
|
|
}
|
|
});
|
|
|
|
charts.bar.draw();
|
|
|
|
},
|
|
|
|
draw: function() {
|
|
// Draw bars
|
|
|
|
if (horizontal) {
|
|
// for horizontal, keep the same code, but rotate everything 90 degrees
|
|
// clockwise.
|
|
ctx.rotate(Math.PI / 2);
|
|
}
|
|
else {
|
|
// for vertical, translate to the top left corner.
|
|
ctx.translate(0, zeroLocY);
|
|
}
|
|
|
|
// Don't attempt to draw anything if all the values are zero,
|
|
// otherwise we will get weird exceptions from the canvas methods.
|
|
if (totalYRange <= 0)
|
|
return;
|
|
|
|
var yScale = (horizontal ? canvas.width() : canvas.height()) / totalYRange;
|
|
var barWidth = horizontal ? (canvas.height() / xLabels.length) : (canvas.width() / (bottomLabels.length));
|
|
var linewidth = (barWidth - o.barGroupMargin*2) / dataGroups.length;
|
|
|
|
for(var h=0; h<dataGroups.length; h++){
|
|
ctx.beginPath();
|
|
|
|
var strokeWidth = linewidth - (o.barMargin*2);
|
|
ctx.lineWidth = strokeWidth;
|
|
var points = dataGroups[h].points;
|
|
var integer = 0;
|
|
for(var i=0; i<points.length; i++){
|
|
// If the last value is zero, IE will go nuts and not draw anything,
|
|
// so don't try to draw zero values at all.
|
|
if (points[i].value != 0) {
|
|
var xVal = (integer-o.barGroupMargin)+(h*linewidth)+linewidth/2;
|
|
xVal += o.barGroupMargin*2;
|
|
|
|
ctx.moveTo(xVal, 0);
|
|
ctx.lineTo(xVal, Math.round(-points[i].value*yScale));
|
|
}
|
|
integer+=barWidth;
|
|
}
|
|
ctx.strokeStyle = dataGroups[h].color;
|
|
ctx.stroke();
|
|
ctx.closePath();
|
|
}
|
|
|
|
}
|
|
};
|
|
|
|
})();
|
|
|
|
//create new canvas, set w&h attrs (not inline styles)
|
|
var canvasNode = document.createElement("canvas");
|
|
var canvas = $(canvasNode)
|
|
.attr({
|
|
'height': o.height,
|
|
'width': o.width
|
|
});
|
|
|
|
//get title for chart
|
|
var title = o.title || self.find('caption').text();
|
|
|
|
//create canvas wrapper div, set inline w&h, append
|
|
var canvasContain = (container || $('<div '+(o.chartId?'id="'+o.chartId+'" ':'')+'class="visualize '+o.chartClass+'" role="img" aria-label="Chart representing data from the table: '+ title +'" />'))
|
|
.height(o.height)
|
|
.width(o.width);
|
|
|
|
var scroller = $('<div class="visualize-scroller"></div>')
|
|
.appendTo(canvasContain)
|
|
.append(canvas);
|
|
|
|
//title/key container
|
|
if(o.appendTitle || o.appendKey){
|
|
var infoContain = $('<div class="visualize-info"></div>')
|
|
.appendTo(canvasContain);
|
|
}
|
|
|
|
//append title
|
|
if(o.appendTitle){
|
|
$('<div class="visualize-title">'+ title +'</div>').appendTo(infoContain);
|
|
}
|
|
|
|
|
|
//append key
|
|
if(o.appendKey){
|
|
var newKey = $('<ul class="visualize-key"></ul>');
|
|
$.each(yAllLabels, function(i,label){
|
|
$('<li><span class="visualize-key-color" style="background: '+dataGroups[i].color+'"></span><span class="visualize-key-label">'+ label +'</span></li>')
|
|
.appendTo(newKey);
|
|
});
|
|
newKey.appendTo(infoContain);
|
|
};
|
|
|
|
// init interaction
|
|
if(o.interaction) {
|
|
// sets the canvas to track interaction
|
|
// IE needs one div on top of the canvas since the VML shapes prevent mousemove from triggering correctly.
|
|
// Pie charts needs tracker because labels goes on top of the canvas and also messes up with mousemove
|
|
var tracker = $('<div class="visualize-interaction-tracker"/>')
|
|
.css({
|
|
'height': o.height + 'px',
|
|
'width': o.width + 'px',
|
|
'position':'relative',
|
|
'z-index': 200
|
|
})
|
|
.insertAfter(canvas);
|
|
|
|
var triggerInteraction = function(overOut,data) {
|
|
var data = $.extend({
|
|
canvasContain:canvasContain,
|
|
tableData:tableData
|
|
},data);
|
|
self.trigger('vizualize'+overOut,data);
|
|
};
|
|
|
|
var over=false, last=false, started=false;
|
|
tracker.mousemove(function(e){
|
|
var x,y,x1,y1,data,dist,i,current,selector,zLabel,elem,color,minDist,found,ev=e.originalEvent;
|
|
|
|
// get mouse position relative to the tracker/canvas
|
|
x = ev.layerX || ev.offsetX || 0;
|
|
y = ev.layerY || ev.offsetY || 0;
|
|
|
|
found = false;
|
|
minDist = started?30000:(o.type=='pie'?(Math.round(canvas.height()/2)-o.pieMargin)/3:o.lineWeight*4);
|
|
// iterate datagroups to find points with matching
|
|
$.each(charts[o.type].interactionPoints,function(i,current){
|
|
x1 = current.canvasCords[0] + zeroLocX;
|
|
y1 = current.canvasCords[1] + (o.type=="pie"?0:zeroLocY);
|
|
dist = Math.sqrt( (x1 - x)*(x1 - x) + (y1 - y)*(y1 - y) );
|
|
if(dist < minDist) {
|
|
found = current;
|
|
minDist = dist;
|
|
}
|
|
});
|
|
|
|
if(o.multiHover && found) {
|
|
x = found.canvasCords[0] + zeroLocX;
|
|
y = found.canvasCords[1] + (o.type=="pie"?0:zeroLocY);
|
|
found = [found];
|
|
$.each(charts[o.type].interactionPoints,function(i,current){
|
|
if(current == found[0]) {return;}
|
|
x1 = current.canvasCords[0] + zeroLocX;
|
|
y1 = current.canvasCords[1] + zeroLocY;
|
|
dist = Math.sqrt( (x1 - x)*(x1 - x) + (y1 - y)*(y1 - y) );
|
|
if(dist <= o.multiHover) {
|
|
found.push(current);
|
|
}
|
|
});
|
|
}
|
|
// trigger over and out only when state changes, instead of on every mousemove
|
|
over = found;
|
|
if(over != last) {
|
|
if(over) {
|
|
if(last) {
|
|
triggerInteraction('Out',{point:last});
|
|
}
|
|
triggerInteraction('Over',{point:over});
|
|
last = over;
|
|
}
|
|
if(last && !over) {
|
|
triggerInteraction('Out',{point:last});
|
|
last=false;
|
|
}
|
|
started=true;
|
|
}
|
|
});
|
|
tracker.mouseleave(function(){
|
|
triggerInteraction('Out',{
|
|
point:last,
|
|
mouseOutGraph:true
|
|
});
|
|
over = (last = false);
|
|
});
|
|
}
|
|
|
|
//append new canvas to page
|
|
if(!container){canvasContain.insertAfter(this); }
|
|
if( typeof(G_vmlCanvasManager) != 'undefined' ){ G_vmlCanvasManager.init(); G_vmlCanvasManager.initElement(canvas[0]); }
|
|
|
|
//set up the drawing board
|
|
var ctx = canvas[0].getContext('2d');
|
|
|
|
// Scroll graphs
|
|
scroller.scrollLeft(o.width-scroller.width());
|
|
|
|
// init plugins
|
|
$.each($.visualizePlugins,function(i,plugin){
|
|
plugin.call(self,o,tableData);
|
|
});
|
|
|
|
//create chart
|
|
charts[o.type].setup();
|
|
|
|
if(!container){
|
|
//add event for updating
|
|
self.bind('visualizeRefresh', function(){
|
|
self.visualize(o, $(this).empty());
|
|
});
|
|
//add event for redraw
|
|
self.bind('visualizeRedraw', function(){
|
|
charts[o.type].draw();
|
|
});
|
|
}
|
|
}).next(); //returns canvas(es)
|
|
};
|
|
// create array for plugins. if you wish to make a plugin,
|
|
// just push your init funcion into this array
|
|
$.visualizePlugins = [];
|
|
|
|
})(jQuery);
|
|
|
|
|