2 * Holds the definition and the creation of the imageMap object
3 * @author Martynas Mickevicius <mmartynas@gmail.com>
8 * responsible for showing tooltips above the image chart
11 'mouseMoved': function(event, cont) {
12 // return if no imageMap set
13 // this can happen if server has no json
18 // get mouse coordinated relative to image
19 var mouseX = event.pageX - cont.offsetLeft;
20 var mouseY = event.pageY - cont.offsetTop;
22 //console.log("X: " + mouseX + ", Y: " + mouseY);
24 /* Check if we are flying over a map zone
25 * Lets use the following method to check if a given
26 * point is in any convex polygon.
27 * http://www.programmingforums.org/post168124-3.html
30 for (var key = 0; key < this.imageMap.length; key++)
32 var seriesName = this.imageMap[key]['n'];
33 var seriesValue = this.imageMap[key]['v'];
36 for (var i = 0; i < this.imageMap[key]['p'].length; i++)
41 if (i == this.imageMap[key]['p'].length - 1)
51 var result = this.getDeterminant(
52 this.imageMap[key]['p'][index1][0],
53 this.imageMap[key]['p'][index1][1],
54 this.imageMap[key]['p'][index2][0],
55 this.imageMap[key]['p'][index2][1],
59 if (result > 0) { signSum += 1; } else { signSum += -1; }
62 if (Math.abs(signSum) == this.imageMap[key]['p'].length)
65 if (this.currentKey != key)
68 this.tooltip.title(seriesName);
69 this.tooltip.text(seriesValue);
70 this.currentKey = key;
72 this.tooltip.move(mouseX + 20, mouseY + 20);
75 if (!found && this.currentKey != -1 )
82 'getDeterminant': function (X1, Y1, X2, Y2, X3, Y3) {
83 return (X2*Y3 - X3*Y2) - (X1*Y3 - X3*Y1) + (X1*Y2 - X2*Y1);
86 'loadImageMap': function(map) {
87 this.imageMap = JSON.parse(map);
88 for (key in this.imageMap)
91 // without this loop image map does not work
92 // on IE8 in the status page
99 $("div#chart").bind('mousemove',function(e) {
100 imageMap.mouseMoved(e, this);
103 this.tooltip.attach("div#chart");
105 this.currentKey = -1;
109 'init': function () {
110 this.el = $('<div></div>');
111 this.el.css('position', 'absolute');
112 this.el.css('font-family', 'tahoma');
113 this.el.css('background-color', '#373737');
114 this.el.css('color', '#BEBEBE');
115 this.el.css('padding', '3px');
117 var title = $('<p></p>');
118 title.attr('id', 'title');
119 title.css('margin', '0px');
120 title.css('padding', '3px');
121 title.css('background-color', '#606060');
122 title.css('text-align', 'center');
124 this.el.append(title);
126 var text = $('<p></p>');
127 text.attr('id', 'text');
128 text.css('margin', '0');
130 this.el.append(text);
135 'attach': function (element) {
136 $(element).prepend(this.el);
139 'move': function (x, y) {
140 this.el.css('margin-left', x);
141 this.el.css('margin-top', y);
144 'hide': function () {
145 this.el.css('display', 'none');
148 'show': function () {
149 this.el.css('display', 'block');
152 'title': function (title) {
153 this.el.find("p#title").html(title);
156 'text': function (text) {
157 this.el.find("p#text").html(text.replace(/;/g, "<br />"));
162 $(document).ready(function() {