| 1 |
efrain |
1 |
/**
|
|
|
2 |
* o-------------------------------------------------------------------------------o
|
|
|
3 |
* | This file is part of the RGraph package. RGraph is Free software, licensed |
|
|
|
4 |
* | under the MIT license - so it's free to use for all purposes. Extended |
|
|
|
5 |
* | support is available if required and donations are always welcome! You can |
|
|
|
6 |
* | read more here: |
|
|
|
7 |
* | http://www.rgraph.net/support |
|
|
|
8 |
* o-------------------------------------------------------------------------------o
|
|
|
9 |
*/
|
|
|
10 |
|
|
|
11 |
if (typeof(RGraph) == 'undefined') RGraph = {};
|
|
|
12 |
|
|
|
13 |
/**
|
|
|
14 |
* The traditional radar chart constructor
|
|
|
15 |
*
|
|
|
16 |
* @param string id The ID of the canvas
|
|
|
17 |
* @param array data An array of data to represent
|
|
|
18 |
*/
|
|
|
19 |
RGraph.Radar = function (id, data)
|
|
|
20 |
{
|
|
|
21 |
this.id = id;
|
|
|
22 |
this.canvas = document.getElementById(typeof id === 'object' ? id.id : id);
|
|
|
23 |
this.context = this.canvas.getContext('2d');
|
|
|
24 |
this.canvas.__object__ = this;
|
|
|
25 |
this.type = 'radar';
|
|
|
26 |
this.coords = [];
|
|
|
27 |
this.isRGraph = true;
|
|
|
28 |
this.data = [];
|
|
|
29 |
this.max = 0;
|
|
|
30 |
this.original_data = [];
|
|
|
31 |
this.uid = RGraph.CreateUID();
|
|
|
32 |
this.canvas.uid = this.canvas.uid ? this.canvas.uid : RGraph.CreateUID();
|
|
|
33 |
this.colorsParsed = false;
|
|
|
34 |
this.coordsText = [];
|
|
|
35 |
|
|
|
36 |
/**
|
|
|
37 |
* This allows for passing all of the arguments as one big array instead of as individual daatasets
|
|
|
38 |
*/
|
|
|
39 |
if (typeof arguments[1] == 'object' && typeof arguments[1][0] == 'object') {
|
|
|
40 |
for (var i=0,len=arguments[1].length; i<len; ++i) {
|
|
|
41 |
this.original_data.push(RGraph.array_clone(arguments[1][i]));
|
|
|
42 |
this.data.push(RGraph.array_clone(arguments[1][i]));
|
|
|
43 |
this.max = Math.max(this.max, RGraph.array_max(arguments[1][i]));
|
|
|
44 |
}
|
|
|
45 |
|
|
|
46 |
} else {
|
|
|
47 |
|
|
|
48 |
for (var i=1,len=arguments.length; i<len; ++i) {
|
|
|
49 |
this.original_data.push(RGraph.array_clone(arguments[i]));
|
|
|
50 |
this.data.push(RGraph.array_clone(arguments[i]));
|
|
|
51 |
this.max = Math.max(this.max, RGraph.array_max(arguments[i]));
|
|
|
52 |
}
|
|
|
53 |
}
|
|
|
54 |
|
|
|
55 |
/**
|
|
|
56 |
* Compatibility with older browsers
|
|
|
57 |
*/
|
|
|
58 |
RGraph.OldBrowserCompat(this.context);
|
|
|
59 |
|
|
|
60 |
|
|
|
61 |
this.properties = {
|
|
|
62 |
'chart.strokestyle': '#aaa',
|
|
|
63 |
'chart.gutter.left': 25,
|
|
|
64 |
'chart.gutter.right': 25,
|
|
|
65 |
'chart.gutter.top': 25,
|
|
|
66 |
'chart.gutter.bottom': 25,
|
|
|
67 |
'chart.linewidth': 1,
|
|
|
68 |
'chart.colors': ['rgba(255,255,0,0.25)','rgba(0,255,255,0.25)','rgba(255,0,0,0.5)', 'red', 'green', 'blue', 'pink', 'aqua','brown','orange','grey'],
|
|
|
69 |
'chart.colors.alpha': null,
|
|
|
70 |
'chart.circle': 0,
|
|
|
71 |
'chart.circle.fill': 'red',
|
|
|
72 |
'chart.circle.stroke': 'black',
|
|
|
73 |
'chart.labels': [],
|
|
|
74 |
'chart.labels.offset': 10,
|
|
|
75 |
'chart.background.circles': true,
|
|
|
76 |
'chart.background.circles.count': null,
|
|
|
77 |
'chart.background.circles.color': '#ddd',
|
|
|
78 |
'chart.background.circles.poly': true,
|
|
|
79 |
'chart.text.size': 10,
|
|
|
80 |
'chart.text.size.scale': null,
|
|
|
81 |
'chart.text.font': 'Arial',
|
|
|
82 |
'chart.text.color': 'black',
|
|
|
83 |
'chart.title': '',
|
|
|
84 |
'chart.title.background': null,
|
|
|
85 |
'chart.title.hpos': null,
|
|
|
86 |
'chart.title.vpos': null,
|
|
|
87 |
'chart.title.color': 'black',
|
|
|
88 |
'chart.title.bold': true,
|
|
|
89 |
'chart.title.font': null,
|
|
|
90 |
'chart.title.x': null,
|
|
|
91 |
'chart.title.y': null,
|
|
|
92 |
'chart.title.halign': null,
|
|
|
93 |
'chart.title.valign': null,
|
|
|
94 |
'chart.linewidth': 1,
|
|
|
95 |
'chart.key': null,
|
|
|
96 |
'chart.key.background': 'white',
|
|
|
97 |
'chart.key.shadow': false,
|
|
|
98 |
'chart.key.shadow.color': '#666',
|
|
|
99 |
'chart.key.shadow.blur': 3,
|
|
|
100 |
'chart.key.shadow.offsetx': 2,
|
|
|
101 |
'chart.key.shadow.offsety': 2,
|
|
|
102 |
'chart.key.position': 'graph',
|
|
|
103 |
'chart.key.halign': 'right',
|
|
|
104 |
'chart.key.position.gutter.boxed': false,
|
|
|
105 |
'chart.key.position.x': null,
|
|
|
106 |
'chart.key.position.y': null,
|
|
|
107 |
'chart.key.color.shape': 'square',
|
|
|
108 |
'chart.key.rounded': true,
|
|
|
109 |
'chart.key.linewidth': 1,
|
|
|
110 |
'chart.key.colors': null,
|
|
|
111 |
'chart.key.interactive': false,
|
|
|
112 |
'chart.key.interactive.highlight.chart.stroke': 'rgba(255,0,0,0.3)',
|
|
|
113 |
'chart.key.interactive.highlight.label': 'rgba(255,0,0,0.2)',
|
|
|
114 |
'chart.key.text.color': 'black',
|
|
|
115 |
'chart.contextmenu': null,
|
|
|
116 |
'chart.annotatable': false,
|
|
|
117 |
'chart.annotate.color': 'black',
|
|
|
118 |
'chart.zoom.factor': 1.5,
|
|
|
119 |
'chart.zoom.fade.in': true,
|
|
|
120 |
'chart.zoom.fade.out': true,
|
|
|
121 |
'chart.zoom.hdir': 'right',
|
|
|
122 |
'chart.zoom.vdir': 'down',
|
|
|
123 |
'chart.zoom.frames': 25,
|
|
|
124 |
'chart.zoom.delay': 16.666,
|
|
|
125 |
'chart.zoom.shadow': true,
|
|
|
126 |
'chart.zoom.background': true,
|
|
|
127 |
'chart.zoom.action': 'zoom',
|
|
|
128 |
'chart.tooltips.effect': 'fade',
|
|
|
129 |
'chart.tooltips.event': 'onmousemove',
|
|
|
130 |
'chart.tooltips.css.class': 'RGraph_tooltip',
|
|
|
131 |
'chart.tooltips.highlight': true,
|
|
|
132 |
'chart.highlight.stroke': 'gray',
|
|
|
133 |
'chart.highlight.fill': 'rgba(255,255,255,0.7)',
|
|
|
134 |
'chart.highlight.point.radius': 2,
|
|
|
135 |
'chart.resizable': false,
|
|
|
136 |
'chart.resize.handle.adjust': [0,0],
|
|
|
137 |
'chart.resize.handle.background': null,
|
|
|
138 |
'chart.labels.axes': '',
|
|
|
139 |
'chart.labels.background.fill': 'white',
|
|
|
140 |
'chart.labels.boxed': false,
|
|
|
141 |
'chart.labels.axes.bold': [],
|
|
|
142 |
'chart.labels.axes.boxed': null, // This defaults to true - but that's set in the Draw() method
|
|
|
143 |
'chart.labels.axes.boxed.zero': true,
|
|
|
144 |
'chart.labels.specific': [],
|
|
|
145 |
'chart.labels.count': 5,
|
|
|
146 |
'chart.ymax': null,
|
|
|
147 |
'chart.accumulative': false,
|
|
|
148 |
'chart.radius': null,
|
|
|
149 |
'chart.events.click': null,
|
|
|
150 |
'chart.events.mousemove': null,
|
|
|
151 |
'chart.scale.decimals': 0,
|
|
|
152 |
'chart.scale.point': '.',
|
|
|
153 |
'chart.scale.thousand': ',',
|
|
|
154 |
'chart.units.pre': '',
|
|
|
155 |
'chart.units.post': '',
|
|
|
156 |
'chart.tooltips': null,
|
|
|
157 |
'chart.tooltips.event': 'onmousemove',
|
|
|
158 |
'chart.centerx': null,
|
|
|
159 |
'chart.centery': null,
|
|
|
160 |
'chart.radius': null,
|
|
|
161 |
'chart.numxticks': 5,
|
|
|
162 |
'chart.numyticks': 5,
|
|
|
163 |
'chart.axes.color': 'rgba(0,0,0,0)',
|
|
|
164 |
'chart.highlights': false,
|
|
|
165 |
'chart.highlights.stroke': '#ddd',
|
|
|
166 |
'chart.highlights.fill': null,
|
|
|
167 |
'chart.highlights.radius': 3,
|
|
|
168 |
'chart.fill.click': null,
|
|
|
169 |
'chart.fill.mousemove': null,
|
|
|
170 |
'chart.fill.tooltips': null,
|
|
|
171 |
'chart.fill.highlight.fill': 'rgba(255,255,255,0.7)',
|
|
|
172 |
'chart.fill.highlight.stroke': 'rgba(0,0,0,0)',
|
|
|
173 |
'chart.fill.mousemove.redraw': false,
|
|
|
174 |
'chart.animation.trace.clip': 1
|
|
|
175 |
}
|
|
|
176 |
|
|
|
177 |
|
|
|
178 |
|
|
|
179 |
// Must have at least 3 points
|
|
|
180 |
for (var dataset=0; dataset<this.data.length; ++dataset) {
|
|
|
181 |
if (this.data[dataset].length < 3) {
|
|
|
182 |
alert('[RADAR] You must specify at least 3 data points');
|
|
|
183 |
return;
|
|
|
184 |
}
|
|
|
185 |
}
|
|
|
186 |
|
|
|
187 |
|
|
|
188 |
/**
|
|
|
189 |
* Linearize the data and then create the $ objects
|
|
|
190 |
*/
|
|
|
191 |
var idx = 0;
|
|
|
192 |
for (var dataset=0; dataset<this.data.length; ++dataset) {
|
|
|
193 |
for (var i=0,len=this.data[dataset].length; i<len; ++i) {
|
|
|
194 |
this['$' + (idx++)] = {};
|
|
|
195 |
}
|
|
|
196 |
}
|
|
|
197 |
|
|
|
198 |
|
|
|
199 |
|
|
|
200 |
/**
|
|
|
201 |
* Translate half a pixel for antialiasing purposes - but only if it hasn't beeen
|
|
|
202 |
* done already
|
|
|
203 |
*/
|
|
|
204 |
if (!this.canvas.__rgraph_aa_translated__) {
|
|
|
205 |
this.context.translate(0.5,0.5);
|
|
|
206 |
|
|
|
207 |
this.canvas.__rgraph_aa_translated__ = true;
|
|
|
208 |
}
|
|
|
209 |
|
|
|
210 |
|
|
|
211 |
|
|
|
212 |
|
|
|
213 |
///////////////////////////////// SHORT PROPERTIES /////////////////////////////////
|
|
|
214 |
|
|
|
215 |
|
|
|
216 |
|
|
|
217 |
|
|
|
218 |
var RG = RGraph;
|
|
|
219 |
var ca = this.canvas;
|
|
|
220 |
var co = ca.getContext('2d');
|
|
|
221 |
var prop = this.properties;
|
|
|
222 |
//var $jq = jQuery;
|
|
|
223 |
|
|
|
224 |
|
|
|
225 |
|
|
|
226 |
|
|
|
227 |
//////////////////////////////////// METHODS ///////////////////////////////////////
|
|
|
228 |
|
|
|
229 |
|
|
|
230 |
|
|
|
231 |
|
|
|
232 |
/**
|
|
|
233 |
* A simple setter
|
|
|
234 |
*
|
|
|
235 |
* @param string name The name of the property to set
|
|
|
236 |
* @param string value The value of the property
|
|
|
237 |
*/
|
|
|
238 |
this.Set = function (name, value)
|
|
|
239 |
{
|
|
|
240 |
name = name.toLowerCase();
|
|
|
241 |
|
|
|
242 |
/**
|
|
|
243 |
* This should be done first - prepend the propertyy name with "chart." if necessary
|
|
|
244 |
*/
|
|
|
245 |
if (name.substr(0,6) != 'chart.') {
|
|
|
246 |
name = 'chart.' + name;
|
|
|
247 |
}
|
|
|
248 |
|
|
|
249 |
if (name == 'chart.text.diameter') {
|
|
|
250 |
name = 'chart.text.size';
|
|
|
251 |
}
|
|
|
252 |
|
|
|
253 |
/**
|
|
|
254 |
* If the name is chart.color, set chart.colors too
|
|
|
255 |
*/
|
|
|
256 |
if (name == 'chart.color') {
|
|
|
257 |
this.properties['chart.colors'] = [value];
|
|
|
258 |
}
|
|
|
259 |
|
|
|
260 |
prop[name] = value;
|
|
|
261 |
|
|
|
262 |
return this;
|
|
|
263 |
}
|
|
|
264 |
|
|
|
265 |
|
|
|
266 |
|
|
|
267 |
|
|
|
268 |
|
|
|
269 |
/**
|
|
|
270 |
* A simple hetter
|
|
|
271 |
*
|
|
|
272 |
* @param string name The name of the property to get
|
|
|
273 |
*/
|
|
|
274 |
this.Get = function (name)
|
|
|
275 |
{
|
|
|
276 |
/**
|
|
|
277 |
* This should be done first - prepend the property name with "chart." if necessary
|
|
|
278 |
*/
|
|
|
279 |
if (name.substr(0,6) != 'chart.') {
|
|
|
280 |
name = 'chart.' + name;
|
|
|
281 |
}
|
|
|
282 |
|
|
|
283 |
if (name == 'chart.text.diameter') {
|
|
|
284 |
name = 'chart.text.size';
|
|
|
285 |
}
|
|
|
286 |
|
|
|
287 |
return prop[name];
|
|
|
288 |
}
|
|
|
289 |
|
|
|
290 |
|
|
|
291 |
|
|
|
292 |
|
|
|
293 |
/**
|
|
|
294 |
* The draw method which does all the brunt of the work
|
|
|
295 |
*/
|
|
|
296 |
this.Draw = function ()
|
|
|
297 |
{
|
|
|
298 |
/**
|
|
|
299 |
* Fire the onbeforedraw event
|
|
|
300 |
*/
|
|
|
301 |
RG.FireCustomEvent(this, 'onbeforedraw');
|
|
|
302 |
|
|
|
303 |
// NB: Colors are parsed further down
|
|
|
304 |
|
|
|
305 |
// Reset the coords array to stop it growing
|
|
|
306 |
this.coords = [];
|
|
|
307 |
this.coords2 = [];
|
|
|
308 |
|
|
|
309 |
/**
|
|
|
310 |
* Reset the data to the original_data
|
|
|
311 |
*/
|
|
|
312 |
this.data = RG.array_clone(this.original_data);
|
|
|
313 |
|
|
|
314 |
// Loop thru the data array if chart.accumulative is enable checking to see if all the
|
|
|
315 |
// datasets have the same number of elements.
|
|
|
316 |
if (prop['chart.accumulative']) {
|
|
|
317 |
for (var i=0; i<this.data.length; ++i) {
|
|
|
318 |
if (this.data[i].length != this.data[0].length) {
|
|
|
319 |
alert('[RADAR] Error! When the radar has chart.accumulative set to true all the datasets must have the same number of elements');
|
|
|
320 |
}
|
|
|
321 |
}
|
|
|
322 |
}
|
|
|
323 |
|
|
|
324 |
|
|
|
325 |
/**
|
|
|
326 |
* This defaults to true, but needs to be an array with a size matching the number of
|
|
|
327 |
* labels.
|
|
|
328 |
*/
|
|
|
329 |
if (RG.is_null(prop['chart.labels.axes.boxed'])) {
|
|
|
330 |
prop['chart.labels.axes.boxed'] = [];
|
|
|
331 |
for (var i=0; i<(prop['chart.labels.specific'].length || prop['chart.labels.count'] || 5); ++i) {
|
|
|
332 |
prop['chart.labels.axes.boxed'][i] = true;
|
|
|
333 |
}
|
|
|
334 |
}
|
|
|
335 |
|
|
|
336 |
|
|
|
337 |
|
|
|
338 |
|
|
|
339 |
/**
|
|
|
340 |
* This is new in May 2011 and facilitates indiviual gutter settings,
|
|
|
341 |
* eg chart.gutter.left
|
|
|
342 |
*/
|
|
|
343 |
this.gutterLeft = prop['chart.gutter.left'];
|
|
|
344 |
this.gutterRight = prop['chart.gutter.right'];
|
|
|
345 |
this.gutterTop = prop['chart.gutter.top'];
|
|
|
346 |
this.gutterBottom = prop['chart.gutter.bottom'];
|
|
|
347 |
|
|
|
348 |
this.centerx = ((ca.width - this.gutterLeft - this.gutterRight) / 2) + this.gutterLeft;
|
|
|
349 |
this.centery = ((ca.height - this.gutterTop - this.gutterBottom) / 2) + this.gutterTop;
|
|
|
350 |
this.radius = Math.min(ca.width - this.gutterLeft - this.gutterRight, ca.height - this.gutterTop - this.gutterBottom) / 2;
|
|
|
351 |
|
|
|
352 |
|
|
|
353 |
|
|
|
354 |
/**
|
|
|
355 |
* Allow these to be set by hand
|
|
|
356 |
*/
|
|
|
357 |
if (typeof(prop['chart.centerx']) == 'number') this.centerx = 2 * prop['chart.centerx'];
|
|
|
358 |
if (typeof(prop['chart.centery']) == 'number') this.centery = 2 * prop['chart.centery'];
|
|
|
359 |
if (typeof(prop['chart.radius']) == 'number') this.radius = prop['chart.radius'];
|
|
|
360 |
|
|
|
361 |
|
|
|
362 |
/**
|
|
|
363 |
* Parse the colors for gradients. Its down here so that the center X/Y can be used
|
|
|
364 |
*/
|
|
|
365 |
if (!this.colorsParsed) {
|
|
|
366 |
|
|
|
367 |
this.parseColors();
|
|
|
368 |
|
|
|
369 |
// Don't want to do this again
|
|
|
370 |
this.colorsParsed = true;
|
|
|
371 |
}
|
|
|
372 |
|
|
|
373 |
|
|
|
374 |
|
|
|
375 |
// Work out the maximum value and the sum
|
|
|
376 |
if (!prop['chart.ymax']) {
|
|
|
377 |
|
|
|
378 |
// this.max is calculated in the constructor
|
|
|
379 |
|
|
|
380 |
// Work out this.max again if the chart is (now) set to be accumulative
|
|
|
381 |
if (prop['chart.accumulative']) {
|
|
|
382 |
|
|
|
383 |
var accumulation = [];
|
|
|
384 |
var len = this.original_data[0].length
|
|
|
385 |
|
|
|
386 |
for (var i=1; i<this.original_data.length; ++i) {
|
|
|
387 |
if (this.original_data[i].length != len) {
|
|
|
388 |
alert('[RADAR] Error! Stacked Radar chart datasets must all be the same size!');
|
|
|
389 |
}
|
|
|
390 |
|
|
|
391 |
for (var j=0; j<this.original_data[i].length; ++j) {
|
|
|
392 |
this.data[i][j] += this.data[i - 1][j];
|
|
|
393 |
this.max = Math.max(this.max, this.data[i][j]);
|
|
|
394 |
}
|
|
|
395 |
}
|
|
|
396 |
}
|
|
|
397 |
|
|
|
398 |
|
|
|
399 |
this.scale2 = RG.getScale2(this, {'max':typeof(prop['chart.ymax']) == 'number' ? prop['chart.ymax'] : this.max,
|
|
|
400 |
'min':0,
|
|
|
401 |
'scale.decimals':Number(prop['chart.scale.decimals']),
|
|
|
402 |
'scale.point':prop['chart.scale.point'],
|
|
|
403 |
'scale.thousand':prop['chart.scale.thousand'],
|
|
|
404 |
'scale.round':prop['chart.scale.round'],
|
|
|
405 |
'units.pre':prop['chart.units.pre'],
|
|
|
406 |
'units.post':prop['chart.units.post'],
|
|
|
407 |
'ylabels.count':prop['chart.labels.count']
|
|
|
408 |
});
|
|
|
409 |
this.max = this.scale2.max;
|
|
|
410 |
|
|
|
411 |
} else {
|
|
|
412 |
var ymax = prop['chart.ymax'];
|
|
|
413 |
|
|
|
414 |
this.scale2 = RG.getScale2(this, {'max':ymax,
|
|
|
415 |
'min':0,
|
|
|
416 |
'strict':true,
|
|
|
417 |
'scale.decimals':Number(prop['chart.scale.decimals']),
|
|
|
418 |
'scale.point':prop['chart.scale.point'],
|
|
|
419 |
'scale.thousand':prop['chart.scale.thousand'],
|
|
|
420 |
'scale.round':prop['chart.scale.round'],
|
|
|
421 |
'units.pre':prop['chart.units.pre'],
|
|
|
422 |
'units.post':prop['chart.units.post'],
|
|
|
423 |
'ylabels.count':prop['chart.labels.count']
|
|
|
424 |
});
|
|
|
425 |
this.max = this.scale2.max;
|
|
|
426 |
}
|
|
|
427 |
|
|
|
428 |
this.DrawBackground();
|
|
|
429 |
this.DrawAxes();
|
|
|
430 |
this.DrawCircle();
|
|
|
431 |
this.DrawLabels();
|
|
|
432 |
this.DrawAxisLabels();
|
|
|
433 |
|
|
|
434 |
/**
|
|
|
435 |
* Allow clipping
|
|
|
436 |
*/
|
|
|
437 |
co.save();
|
|
|
438 |
co.beginPath();
|
|
|
439 |
co.arc(this.centerx, this.centery, this.radius * 2, -HALFPI, (TWOPI * prop['chart.animation.trace.clip']) - HALFPI, false);
|
|
|
440 |
co.lineTo(this.centerx, this.centery);
|
|
|
441 |
co.closePath();
|
|
|
442 |
co.clip();
|
|
|
443 |
|
|
|
444 |
this.DrawChart();
|
|
|
445 |
this.DrawHighlights();
|
|
|
446 |
|
|
|
447 |
co.restore();
|
|
|
448 |
|
|
|
449 |
// Draw the title
|
|
|
450 |
if (prop['chart.title']) {
|
|
|
451 |
RG.DrawTitle(this, prop['chart.title'], this.gutterTop, null, prop['chart.title.diameter'] ? prop['chart.title.diameter'] : null)
|
|
|
452 |
}
|
|
|
453 |
|
|
|
454 |
// Draw the key if necessary
|
|
|
455 |
// obj, key, colors
|
|
|
456 |
if (prop['chart.key']) {
|
|
|
457 |
RG.DrawKey(this, prop['chart.key'], prop['chart.colors']);
|
|
|
458 |
}
|
|
|
459 |
|
|
|
460 |
/**
|
|
|
461 |
* Show the context menu
|
|
|
462 |
*/
|
|
|
463 |
if (prop['chart.contextmenu']) {
|
|
|
464 |
RG.ShowContext(this);
|
|
|
465 |
}
|
|
|
466 |
|
|
|
467 |
|
|
|
468 |
/**
|
|
|
469 |
* This function enables resizing
|
|
|
470 |
*/
|
|
|
471 |
if (prop['chart.resizable']) {
|
|
|
472 |
RG.AllowResizing(this);
|
|
|
473 |
}
|
|
|
474 |
|
|
|
475 |
|
|
|
476 |
/**
|
|
|
477 |
* This installs the event listeners
|
|
|
478 |
*/
|
|
|
479 |
RG.InstallEventListeners(this);
|
|
|
480 |
|
|
|
481 |
/**
|
|
|
482 |
* This installs the Radar chart specific area listener
|
|
|
483 |
*/
|
|
|
484 |
if ( (prop['chart.fill.click'] || prop['chart.fill.mousemove'] || !RG.is_null(prop['chart.fill.tooltips'])) && !this.__fill_click_listeners_installed__) {
|
|
|
485 |
this.AddFillListeners();
|
|
|
486 |
this.__fill_click_listeners_installed__ = true;
|
|
|
487 |
}
|
|
|
488 |
|
|
|
489 |
/**
|
|
|
490 |
* Fire the RGraph ondraw event
|
|
|
491 |
*/
|
|
|
492 |
RGraph.FireCustomEvent(this, 'ondraw');
|
|
|
493 |
|
|
|
494 |
return this;
|
|
|
495 |
}
|
|
|
496 |
|
|
|
497 |
|
|
|
498 |
|
|
|
499 |
|
|
|
500 |
/**
|
|
|
501 |
* Draws the background circles
|
|
|
502 |
*/
|
|
|
503 |
this.DrawBackground = function ()
|
|
|
504 |
{
|
|
|
505 |
var color = prop['chart.background.circles.color'];
|
|
|
506 |
var poly = prop['chart.background.circles.poly'];
|
|
|
507 |
var spacing = prop['chart.background.circles.spacing'];
|
|
|
508 |
|
|
|
509 |
|
|
|
510 |
|
|
|
511 |
|
|
|
512 |
|
|
|
513 |
// Set the linewidth for the grid (so that repeated redrawing works OK)
|
|
|
514 |
co.lineWidth = 1;
|
|
|
515 |
|
|
|
516 |
|
|
|
517 |
|
|
|
518 |
|
|
|
519 |
/**
|
|
|
520 |
* Draws the background circles
|
|
|
521 |
*/
|
|
|
522 |
if (prop['chart.background.circles'] && poly == false) {
|
|
|
523 |
|
|
|
524 |
|
|
|
525 |
|
|
|
526 |
|
|
|
527 |
|
|
|
528 |
// Draw the concentric circles
|
|
|
529 |
co.strokeStyle = color;
|
|
|
530 |
co.beginPath();
|
|
|
531 |
|
|
|
532 |
var numrings = typeof(prop['chart.background.circles.count']) == 'number' ? prop['chart.background.circles.count'] : prop['chart.labels.count'];
|
|
|
533 |
|
|
|
534 |
// TODO Currently set to 5 - needs changing
|
|
|
535 |
for (var r=0; r<=this.radius; r+=(this.radius / numrings)) {
|
|
|
536 |
co.moveTo(this.centerx, this.centery);
|
|
|
537 |
co.arc(this.centerx, this.centery,r, 0, TWOPI, false);
|
|
|
538 |
}
|
|
|
539 |
co.stroke();
|
|
|
540 |
|
|
|
541 |
|
|
|
542 |
|
|
|
543 |
|
|
|
544 |
|
|
|
545 |
/**
|
|
|
546 |
* Draw the diagonals/spokes
|
|
|
547 |
*/
|
|
|
548 |
co.strokeStyle = color;
|
|
|
549 |
|
|
|
550 |
for (var i=0; i<360; i+=15) {
|
|
|
551 |
co.beginPath();
|
|
|
552 |
co.arc(this.centerx,
|
|
|
553 |
this.centery,
|
|
|
554 |
this.radius,
|
|
|
555 |
(i / 360) * TWOPI,
|
|
|
556 |
((i+0.001) / 360) * TWOPI,
|
|
|
557 |
false); // The 0.01 avoids a bug in Chrome 6
|
|
|
558 |
co.lineTo(this.centerx, this.centery);
|
|
|
559 |
co.stroke();
|
|
|
560 |
}
|
|
|
561 |
|
|
|
562 |
|
|
|
563 |
|
|
|
564 |
|
|
|
565 |
|
|
|
566 |
|
|
|
567 |
/**
|
|
|
568 |
* The background"circles" are actually drawn as a poly based on how many points there are
|
|
|
569 |
* (ie hexagons if there are 6 points, squares if the are four etc)
|
|
|
570 |
*/
|
|
|
571 |
} else if (prop['chart.background.circles'] && poly == true) {
|
|
|
572 |
|
|
|
573 |
/**
|
|
|
574 |
* Draw the diagonals/spokes
|
|
|
575 |
*/
|
|
|
576 |
co.strokeStyle = color;
|
|
|
577 |
var increment = 360 / this.data[0].length
|
|
|
578 |
|
|
|
579 |
for (var i=0; i<360; i+=increment) {
|
|
|
580 |
co.beginPath();
|
|
|
581 |
co.arc(this.centerx,
|
|
|
582 |
this.centery,
|
|
|
583 |
this.radius,
|
|
|
584 |
((i / 360) * TWOPI) - HALFPI,
|
|
|
585 |
(((i + 0.001) / 360) * TWOPI) - HALFPI,
|
|
|
586 |
false); // The 0.001 avoids a bug in Chrome 6
|
|
|
587 |
co.lineTo(this.centerx, this.centery);
|
|
|
588 |
co.stroke();
|
|
|
589 |
}
|
|
|
590 |
|
|
|
591 |
|
|
|
592 |
/**
|
|
|
593 |
* Draw the lines that go around the Radar chart
|
|
|
594 |
*/
|
|
|
595 |
co.strokeStyle = color;
|
|
|
596 |
|
|
|
597 |
var numrings = typeof(prop['chart.background.circles.count']) == 'number' ? prop['chart.background.circles.count'] : prop['chart.labels.count'];
|
|
|
598 |
|
|
|
599 |
for (var r=0; r<=this.radius; r+=(this.radius / numrings)) {
|
|
|
600 |
co.beginPath();
|
|
|
601 |
for (var a=0; a<=360; a+=(360 / this.data[0].length)) {
|
|
|
602 |
co.arc(this.centerx,
|
|
|
603 |
this.centery,
|
|
|
604 |
r,
|
|
|
605 |
RG.degrees2Radians(a) - HALFPI,
|
|
|
606 |
RG.degrees2Radians(a) + 0.001 - HALFPI,
|
|
|
607 |
false);
|
|
|
608 |
}
|
|
|
609 |
co.closePath();
|
|
|
610 |
co.stroke();
|
|
|
611 |
}
|
|
|
612 |
}
|
|
|
613 |
}
|
|
|
614 |
|
|
|
615 |
|
|
|
616 |
|
|
|
617 |
|
|
|
618 |
/**
|
|
|
619 |
* Draws the axes
|
|
|
620 |
*/
|
|
|
621 |
this.DrawAxes = function ()
|
|
|
622 |
{
|
|
|
623 |
co.strokeStyle = prop['chart.axes.color'];
|
|
|
624 |
|
|
|
625 |
var halfsize = this.radius;
|
|
|
626 |
|
|
|
627 |
co.beginPath();
|
|
|
628 |
/**
|
|
|
629 |
* The Y axis
|
|
|
630 |
*/
|
|
|
631 |
co.moveTo(Math.round(this.centerx), this.centery + this.radius);
|
|
|
632 |
co.lineTo(Math.round(this.centerx), this.centery - this.radius);
|
|
|
633 |
|
|
|
634 |
|
|
|
635 |
// Draw the bits at either end of the Y axis
|
|
|
636 |
co.moveTo(this.centerx - 5, Math.round(this.centery + this.radius));
|
|
|
637 |
co.lineTo(this.centerx + 5, Math.round(this.centery + this.radius));
|
|
|
638 |
co.moveTo(this.centerx - 5, Math.round(this.centery - this.radius));
|
|
|
639 |
co.lineTo(this.centerx + 5, Math.round(this.centery - this.radius));
|
|
|
640 |
|
|
|
641 |
// Draw Y axis tick marks
|
|
|
642 |
for (var y=(this.centery - this.radius); y<(this.centery + this.radius); y+=(this.radius/prop['chart.numyticks'])) {
|
|
|
643 |
co.moveTo(this.centerx - 3, Math.round(y));
|
|
|
644 |
co.lineTo(this.centerx + 3, Math.round(y));
|
|
|
645 |
}
|
|
|
646 |
|
|
|
647 |
/**
|
|
|
648 |
* The X axis
|
|
|
649 |
*/
|
|
|
650 |
co.moveTo(this.centerx - this.radius, Math.round(this.centery));
|
|
|
651 |
co.lineTo(this.centerx + this.radius, Math.round(this.centery));
|
|
|
652 |
|
|
|
653 |
// Draw the bits at the end of the X axis
|
|
|
654 |
co.moveTo(Math.round(this.centerx - this.radius), this.centery - 5);
|
|
|
655 |
co.lineTo(Math.round(this.centerx - this.radius), this.centery + 5);
|
|
|
656 |
co.moveTo(Math.round(this.centerx + this.radius), this.centery - 5);
|
|
|
657 |
co.lineTo(Math.round(this.centerx + this.radius), this.centery + 5);
|
|
|
658 |
|
|
|
659 |
// Draw X axis tick marks
|
|
|
660 |
for (var x=(this.centerx - this.radius); x<(this.centerx + this.radius); x+=(this.radius/prop['chart.numxticks'])) {
|
|
|
661 |
co.moveTo(Math.round(x), this.centery - 3);
|
|
|
662 |
co.lineTo(Math.round(x), this.centery + 3);
|
|
|
663 |
}
|
|
|
664 |
|
|
|
665 |
// Stroke it
|
|
|
666 |
co.stroke();
|
|
|
667 |
}
|
|
|
668 |
|
|
|
669 |
|
|
|
670 |
|
|
|
671 |
|
|
|
672 |
/**
|
|
|
673 |
* The function which actually draws the radar chart
|
|
|
674 |
*/
|
|
|
675 |
this.DrawChart = function ()
|
|
|
676 |
{
|
|
|
677 |
var alpha = prop['chart.colors.alpha'];
|
|
|
678 |
|
|
|
679 |
if (typeof(alpha) == 'number') {
|
|
|
680 |
var oldAlpha = co.globalAlpha;
|
|
|
681 |
co.globalAlpha = alpha;
|
|
|
682 |
}
|
|
|
683 |
|
|
|
684 |
var numDatasets = this.data.length;
|
|
|
685 |
|
|
|
686 |
for (var dataset=0; dataset<this.data.length; ++dataset) {
|
|
|
687 |
|
|
|
688 |
co.beginPath();
|
|
|
689 |
|
|
|
690 |
var coords_dataset = [];
|
|
|
691 |
|
|
|
692 |
for (var i=0; i<this.data[dataset].length; ++i) {
|
|
|
693 |
|
|
|
694 |
var coords = this.GetCoordinates(dataset, i);
|
|
|
695 |
|
|
|
696 |
if (coords_dataset == null) {
|
|
|
697 |
coords_dataset = [];
|
|
|
698 |
}
|
|
|
699 |
|
|
|
700 |
coords_dataset.push(coords);
|
|
|
701 |
this.coords.push(coords);
|
|
|
702 |
}
|
|
|
703 |
|
|
|
704 |
this.coords2[dataset] = coords_dataset;
|
|
|
705 |
|
|
|
706 |
|
|
|
707 |
/**
|
|
|
708 |
* Now go through the coords and draw the chart itself
|
|
|
709 |
*
|
|
|
710 |
* 18/5/2012 - chart.strokestyle can now be an array of colors as well as a single color
|
|
|
711 |
*/
|
|
|
712 |
|
|
|
713 |
co.strokeStyle = (typeof(prop['chart.strokestyle']) == 'object' && prop['chart.strokestyle'][dataset]) ? prop['chart.strokestyle'][dataset] : prop['chart.strokestyle'];
|
|
|
714 |
co.fillStyle = prop['chart.colors'][dataset];
|
|
|
715 |
co.lineWidth = prop['chart.linewidth'];
|
|
|
716 |
|
|
|
717 |
for (i=0; i<coords_dataset.length; ++i) {
|
|
|
718 |
if (i == 0) {
|
|
|
719 |
co.moveTo(coords_dataset[i][0], coords_dataset[i][1]);
|
|
|
720 |
} else {
|
|
|
721 |
co.lineTo(coords_dataset[i][0], coords_dataset[i][1]);
|
|
|
722 |
}
|
|
|
723 |
}
|
|
|
724 |
|
|
|
725 |
|
|
|
726 |
// If on the second or greater dataset, backtrack
|
|
|
727 |
if (prop['chart.accumulative'] && dataset > 0) {
|
|
|
728 |
|
|
|
729 |
// This goes back to the start coords of this particular dataset
|
|
|
730 |
co.lineTo(coords_dataset[0][0], coords_dataset[0][1]);
|
|
|
731 |
|
|
|
732 |
//Now move down to the end point of the previous dataset
|
|
|
733 |
co.moveTo(last_coords[0][0], last_coords[0][1]);
|
|
|
734 |
|
|
|
735 |
for (var i=coords_dataset.length - 1; i>=0; --i) {
|
|
|
736 |
co.lineTo(last_coords[i][0], last_coords[i][1]);
|
|
|
737 |
}
|
|
|
738 |
}
|
|
|
739 |
|
|
|
740 |
// This is used by the next iteration of the loop
|
|
|
741 |
var last_coords = coords_dataset;
|
|
|
742 |
|
|
|
743 |
co.closePath();
|
|
|
744 |
|
|
|
745 |
co.stroke();
|
|
|
746 |
co.fill();
|
|
|
747 |
}
|
|
|
748 |
|
|
|
749 |
// Reset the globalAlpha
|
|
|
750 |
if (typeof(alpha) == 'number') {
|
|
|
751 |
co.globalAlpha = oldAlpha;
|
|
|
752 |
}
|
|
|
753 |
}
|
|
|
754 |
|
|
|
755 |
|
|
|
756 |
|
|
|
757 |
|
|
|
758 |
/**
|
|
|
759 |
* Gets the coordinates for a particular mark
|
|
|
760 |
*
|
|
|
761 |
* @param number i The index of the data (ie which one it is)
|
|
|
762 |
* @return array A two element array of the coordinates
|
|
|
763 |
*/
|
|
|
764 |
this.GetCoordinates = function (dataset, index)
|
|
|
765 |
{
|
|
|
766 |
// The number of data points
|
|
|
767 |
var len = this.data[dataset].length;
|
|
|
768 |
|
|
|
769 |
// The magnitude of the data (NOT the x/y coords)
|
|
|
770 |
var mag = (this.data[dataset][index] / this.max) * this.radius;
|
|
|
771 |
|
|
|
772 |
/**
|
|
|
773 |
* Get the angle
|
|
|
774 |
*/
|
|
|
775 |
var angle = (TWOPI / len) * index; // In radians
|
|
|
776 |
angle -= HALFPI;
|
|
|
777 |
|
|
|
778 |
|
|
|
779 |
/**
|
|
|
780 |
* Work out the X/Y coordinates
|
|
|
781 |
*/
|
|
|
782 |
var x = Math.cos(angle) * mag;
|
|
|
783 |
var y = Math.sin(angle) * mag;
|
|
|
784 |
|
|
|
785 |
/**
|
|
|
786 |
* Put the coordinate in the right quadrant
|
|
|
787 |
*/
|
|
|
788 |
x = this.centerx + x;
|
|
|
789 |
y = this.centery + y;
|
|
|
790 |
|
|
|
791 |
return [x,y];
|
|
|
792 |
}
|
|
|
793 |
|
|
|
794 |
|
|
|
795 |
|
|
|
796 |
|
|
|
797 |
/**
|
|
|
798 |
* This function adds the labels to the chart
|
|
|
799 |
*/
|
|
|
800 |
this.DrawLabels = function ()
|
|
|
801 |
{
|
|
|
802 |
var labels = prop['chart.labels'];
|
|
|
803 |
|
|
|
804 |
if (labels && labels.length > 0) {
|
|
|
805 |
|
|
|
806 |
co.lineWidth = 1;
|
|
|
807 |
co.strokeStyle = 'gray';
|
|
|
808 |
co.fillStyle = prop['chart.text.color'];
|
|
|
809 |
|
|
|
810 |
var bgFill = prop['chart.labels.background.fill'];
|
|
|
811 |
var bold = prop['chart.labels.bold'];
|
|
|
812 |
var bgBoxed = prop['chart.labels.boxed'];
|
|
|
813 |
var offset = prop['chart.labels.offset'];
|
|
|
814 |
var font = prop['chart.text.font'];
|
|
|
815 |
var size = prop['chart.text.size'];
|
|
|
816 |
var radius = this.radius;
|
|
|
817 |
|
|
|
818 |
for (var i=0; i<labels.length; ++i) {
|
|
|
819 |
|
|
|
820 |
var angle = (TWOPI / prop['chart.labels'].length) * i;
|
|
|
821 |
angle -= HALFPI;
|
|
|
822 |
|
|
|
823 |
var x = this.centerx + (Math.cos(angle) * (radius + offset));
|
|
|
824 |
var y = this.centery + (Math.sin(angle) * (radius + offset));
|
|
|
825 |
|
|
|
826 |
/**
|
|
|
827 |
* Horizontal alignment
|
|
|
828 |
*/
|
|
|
829 |
var halign = x < this.centerx ? 'right' : 'left' ;
|
|
|
830 |
if (i == 0 || (i / labels.length) == 0.5) halign = 'center';
|
|
|
831 |
|
|
|
832 |
if (labels[i] && labels[i].length) {
|
|
|
833 |
RG.Text2(this, {'font':font,
|
|
|
834 |
'size':size,
|
|
|
835 |
'x':x,
|
|
|
836 |
'y':y,
|
|
|
837 |
'text':labels[i],
|
|
|
838 |
'valign':'center',
|
|
|
839 |
'halign':halign,
|
|
|
840 |
'bounding':bgBoxed,
|
|
|
841 |
'boundingFill':bgFill,
|
|
|
842 |
'bold':bold,
|
|
|
843 |
'tag': 'labels'
|
|
|
844 |
});
|
|
|
845 |
}
|
|
|
846 |
}
|
|
|
847 |
}
|
|
|
848 |
}
|
|
|
849 |
|
|
|
850 |
|
|
|
851 |
|
|
|
852 |
|
|
|
853 |
/**
|
|
|
854 |
* Draws the circle. No arguments as it gets the information from the object properties.
|
|
|
855 |
*/
|
|
|
856 |
this.DrawCircle = function ()
|
|
|
857 |
{
|
|
|
858 |
var circle = {};
|
|
|
859 |
circle.limit = prop['chart.circle'];
|
|
|
860 |
circle.fill = prop['chart.circle.fill'];
|
|
|
861 |
circle.stroke = prop['chart.circle.stroke'];
|
|
|
862 |
|
|
|
863 |
if (circle.limit) {
|
|
|
864 |
|
|
|
865 |
var r = (circle.limit / this.max) * this.radius;
|
|
|
866 |
|
|
|
867 |
co.fillStyle = circle.fill;
|
|
|
868 |
co.strokeStyle = circle.stroke;
|
|
|
869 |
|
|
|
870 |
co.beginPath();
|
|
|
871 |
co.arc(this.centerx, this.centery, r, 0, TWOPI, 0);
|
|
|
872 |
co.fill();
|
|
|
873 |
co.stroke();
|
|
|
874 |
}
|
|
|
875 |
}
|
|
|
876 |
|
|
|
877 |
|
|
|
878 |
|
|
|
879 |
|
|
|
880 |
/**
|
|
|
881 |
* Unsuprisingly, draws the labels
|
|
|
882 |
*/
|
|
|
883 |
this.DrawAxisLabels = function ()
|
|
|
884 |
{
|
|
|
885 |
/**
|
|
|
886 |
* Draw specific axis labels
|
|
|
887 |
*/
|
|
|
888 |
if (RG.is_array(prop['chart.labels.specific']) && prop['chart.labels.specific'].length) {
|
|
|
889 |
this.DrawSpecificAxisLabels();
|
|
|
890 |
return;
|
|
|
891 |
}
|
|
|
892 |
|
|
|
893 |
co.lineWidth = 1;
|
|
|
894 |
|
|
|
895 |
// Set the color to black
|
|
|
896 |
co.fillStyle = 'black';
|
|
|
897 |
co.strokeStyle = 'black';
|
|
|
898 |
|
|
|
899 |
var r = this.radius;
|
|
|
900 |
var font = prop['chart.text.font'];
|
|
|
901 |
var size = typeof(prop['chart.text.size.scale']) == 'number' ? prop['chart.text.size.scale'] : prop['chart.text.size'];
|
|
|
902 |
var axes = prop['chart.labels.axes'].toLowerCase();
|
|
|
903 |
var color = 'white';
|
|
|
904 |
var drawzero = false;
|
|
|
905 |
var units_pre = prop['chart.units.pre'];
|
|
|
906 |
var units_post = prop['chart.units.post'];
|
|
|
907 |
var decimals = prop['chart.scale.decimals'];
|
|
|
908 |
var bold = prop['chart.labels.axes.bold'];
|
|
|
909 |
var boxed = prop['chart.labels.axes.boxed'];
|
|
|
910 |
var centerx = this.centerx;
|
|
|
911 |
var centery = this.centery;
|
|
|
912 |
var scale = this.scale;
|
|
|
913 |
|
|
|
914 |
co.fillStyle = prop['chart.text.color'];
|
|
|
915 |
|
|
|
916 |
// The "North" axis labels
|
|
|
917 |
if (axes.indexOf('n') > -1) {
|
|
|
918 |
for (var i=0; i<this.scale2.labels.length; ++i) {
|
|
|
919 |
RG.Text2(this, {'bold':bold[i],
|
|
|
920 |
'font':font,
|
|
|
921 |
'size':size,
|
|
|
922 |
'x':centerx,
|
|
|
923 |
'y':centery - (r * ((i+1)/this.scale2.labels.length)),
|
|
|
924 |
'text':this.scale2.labels[i],
|
|
|
925 |
'valign':'center',
|
|
|
926 |
'halign':'center',
|
|
|
927 |
'bounding':boxed[i],
|
|
|
928 |
'boundingFill':color,
|
|
|
929 |
'tag': 'scale'
|
|
|
930 |
});
|
|
|
931 |
}
|
|
|
932 |
|
|
|
933 |
drawzero = true;
|
|
|
934 |
}
|
|
|
935 |
|
|
|
936 |
// The "South" axis labels
|
|
|
937 |
if (axes.indexOf('s') > -1) {
|
|
|
938 |
for (var i=0; i<this.scale2.labels.length; ++i) {
|
|
|
939 |
RG.Text2(this, {'bold':bold[i],
|
|
|
940 |
'font':font,
|
|
|
941 |
'size':size,
|
|
|
942 |
'x':centerx,
|
|
|
943 |
'y':centery + (r * ((i+1)/this.scale2.labels.length)),
|
|
|
944 |
'text':this.scale2.labels[i],
|
|
|
945 |
'valign':'center',
|
|
|
946 |
'halign':'center',
|
|
|
947 |
'bounding':boxed[i],
|
|
|
948 |
'boundingFill':color,
|
|
|
949 |
'tag': 'scale'
|
|
|
950 |
});
|
|
|
951 |
}
|
|
|
952 |
|
|
|
953 |
drawzero = true;
|
|
|
954 |
}
|
|
|
955 |
|
|
|
956 |
// The "East" axis labels
|
|
|
957 |
if (axes.indexOf('e') > -1) {
|
|
|
958 |
|
|
|
959 |
for (var i=0; i<this.scale2.labels.length; ++i) {
|
|
|
960 |
RG.Text2(this, {'bold':bold[i],
|
|
|
961 |
'font':font,
|
|
|
962 |
'size':size,
|
|
|
963 |
'x':centerx + (r * ((i+1)/this.scale2.labels.length)),
|
|
|
964 |
'y':centery,
|
|
|
965 |
'text':this.scale2.labels[i],
|
|
|
966 |
'valign':'center',
|
|
|
967 |
'halign':'center',
|
|
|
968 |
'bounding':boxed[i],
|
|
|
969 |
'boundingFill':color,
|
|
|
970 |
'tag': 'scale'
|
|
|
971 |
});
|
|
|
972 |
}
|
|
|
973 |
|
|
|
974 |
drawzero = true;
|
|
|
975 |
}
|
|
|
976 |
|
|
|
977 |
// The "West" axis labels
|
|
|
978 |
if (axes.indexOf('w') > -1) {
|
|
|
979 |
|
|
|
980 |
for (var i=0; i<this.scale2.labels.length; ++i) {
|
|
|
981 |
RG.Text2(this, {'bold':bold[i],
|
|
|
982 |
'font':font,
|
|
|
983 |
'size':size,
|
|
|
984 |
'x':centerx - (r * ((i+1)/this.scale2.labels.length)),
|
|
|
985 |
'y':centery,
|
|
|
986 |
'text':this.scale2.labels[i],
|
|
|
987 |
'valign':'center',
|
|
|
988 |
'halign':'center',
|
|
|
989 |
'bounding':boxed[i],
|
|
|
990 |
'boundingFill':color,
|
|
|
991 |
'tag': 'scale'
|
|
|
992 |
});
|
|
|
993 |
}
|
|
|
994 |
|
|
|
995 |
drawzero = true;
|
|
|
996 |
}
|
|
|
997 |
|
|
|
998 |
if (drawzero) {
|
|
|
999 |
RG.Text2(this, {'font':font,
|
|
|
1000 |
'size':size,
|
|
|
1001 |
'x':centerx,
|
|
|
1002 |
'y':centery,
|
|
|
1003 |
'text':RG.number_format(this, Number(0).toFixed(decimals), units_pre, units_post),
|
|
|
1004 |
'valign':'center',
|
|
|
1005 |
'halign':'center',
|
|
|
1006 |
'bounding':prop['chart.labels.axes.boxed.zero'],
|
|
|
1007 |
'boundingFill':color,
|
|
|
1008 |
'bold':prop['chart.labels.axes.bold.zero'],
|
|
|
1009 |
'tag': 'scale'
|
|
|
1010 |
});
|
|
|
1011 |
}
|
|
|
1012 |
}
|
|
|
1013 |
|
|
|
1014 |
|
|
|
1015 |
|
|
|
1016 |
|
|
|
1017 |
/**
|
|
|
1018 |
* Draws specific axis labels
|
|
|
1019 |
*/
|
|
|
1020 |
this.DrawSpecificAxisLabels = function ()
|
|
|
1021 |
{
|
|
|
1022 |
/**
|
|
|
1023 |
* Specific axis labels
|
|
|
1024 |
*/
|
|
|
1025 |
var labels = prop['chart.labels.specific'];
|
|
|
1026 |
var bold = RG.array_pad(prop['chart.labels.axes.bold'],labels.length);
|
|
|
1027 |
var boxed = RG.array_pad(prop['chart.labels.axes.boxed'],labels.length);
|
|
|
1028 |
var reversed_labels = RG.array_reverse(labels);
|
|
|
1029 |
var reversed_bold = RG.array_reverse(bold);
|
|
|
1030 |
var reversed_boxed = RG.array_reverse(boxed);
|
|
|
1031 |
var font = prop['chart.text.font'];
|
|
|
1032 |
var size = typeof(prop['chart.text.size.scale']) == 'number' ? prop['chart.text.size.scale'] : prop['chart.text.size'];
|
|
|
1033 |
var axes = prop['chart.labels.axes'].toLowerCase();
|
|
|
1034 |
|
|
|
1035 |
co.fillStyle = prop['chart.text.color'];
|
|
|
1036 |
|
|
|
1037 |
for (var i=0; i<labels.length; ++i) {
|
|
|
1038 |
|
|
|
1039 |
if (axes.indexOf('n') > -1) RG.Text2(this, {'tag': 'labels.specific', 'bold':reversed_bold[i],'font':font,'size':size,'x':this.centerx,'y':this.centery - this.radius + ((this.radius / labels.length) * i),'text':reversed_labels[i],'valign':'center','halign':'center','bounding':reversed_boxed[i],'boundingFill':'white'});
|
|
|
1040 |
if (axes.indexOf('s') > -1) RG.Text2(this, {'tag': 'labels.specific', 'bold':bold[i],'font':font,'size':size,'x':this.centerx,'y':this.centery + ((this.radius / labels.length) * (i+1)),'text':labels[i],'valign':'center','halign':'center','bounding':boxed[i],'boundingFill':'white'});
|
|
|
1041 |
|
|
|
1042 |
if (axes.indexOf('w') > -1) RG.Text2(this, {'tag': 'labels.specific', 'bold':reversed_bold[i],'font':font,'size':size,'x':this.centerx - this.radius + ((this.radius / labels.length) * i),'y':this.centery,'text':reversed_labels[i],'valign':'center','halign':'center','bounding':reversed_boxed[i],'boundingFill':'white'});
|
|
|
1043 |
if (axes.indexOf('e') > -1) RG.Text2(this, {'tag': 'labels.specific', 'bold':bold[i],'font':font,'size':size,'x':this.centerx + ((this.radius / labels.length) * (i+1)),'y':this.centery,'text':labels[i],'valign':'center','halign':'center','bounding':boxed[i],'boundingFill':'white'});
|
|
|
1044 |
}
|
|
|
1045 |
}
|
|
|
1046 |
|
|
|
1047 |
|
|
|
1048 |
|
|
|
1049 |
|
|
|
1050 |
/**
|
|
|
1051 |
* This method eases getting the focussed point (if any)
|
|
|
1052 |
*
|
|
|
1053 |
* @param event e The event object
|
|
|
1054 |
*/
|
|
|
1055 |
this.getShape =
|
|
|
1056 |
this.getPoint = function (e)
|
|
|
1057 |
{
|
|
|
1058 |
for (var i=0; i<this.coords.length; ++i) {
|
|
|
1059 |
|
|
|
1060 |
var x = this.coords[i][0];
|
|
|
1061 |
var y = this.coords[i][1];
|
|
|
1062 |
var tooltips = prop['chart.tooltips'];
|
|
|
1063 |
var index = Number(i);
|
|
|
1064 |
var mouseXY = RG.getMouseXY(e);
|
|
|
1065 |
var mouseX = mouseXY[0];
|
|
|
1066 |
var mouseY = mouseXY[1];
|
|
|
1067 |
|
|
|
1068 |
if ( mouseX < (x + 5)
|
|
|
1069 |
&& mouseX > (x - 5)
|
|
|
1070 |
&& mouseY > (y - 5)
|
|
|
1071 |
&& mouseY < (y + 5)
|
|
|
1072 |
) {
|
|
|
1073 |
|
|
|
1074 |
var tooltip = RG.parseTooltipText(prop['chart.tooltips'], index);
|
|
|
1075 |
|
|
|
1076 |
return {0: this, 'object': this,
|
|
|
1077 |
1: x, 'x': x,
|
|
|
1078 |
2: y, 'y': y,
|
|
|
1079 |
3: null, 'dataset': null,
|
|
|
1080 |
4: index, 'index': i,
|
|
|
1081 |
'tooltip': tooltip
|
|
|
1082 |
}
|
|
|
1083 |
}
|
|
|
1084 |
}
|
|
|
1085 |
}
|
|
|
1086 |
|
|
|
1087 |
|
|
|
1088 |
|
|
|
1089 |
|
|
|
1090 |
/**
|
|
|
1091 |
* Each object type has its own Highlight() function which highlights the appropriate shape
|
|
|
1092 |
*
|
|
|
1093 |
* @param object shape The shape to highlight
|
|
|
1094 |
*/
|
|
|
1095 |
this.Highlight = function (shape)
|
|
|
1096 |
{
|
|
|
1097 |
// Add the new highlight
|
|
|
1098 |
RG.Highlight.Point(this, shape);
|
|
|
1099 |
}
|
|
|
1100 |
|
|
|
1101 |
|
|
|
1102 |
|
|
|
1103 |
|
|
|
1104 |
/**
|
|
|
1105 |
* The getObjectByXY() worker method. Don't call this call:
|
|
|
1106 |
*
|
|
|
1107 |
* RGraph.ObjectRegistry.getObjectByXY(e)
|
|
|
1108 |
*
|
|
|
1109 |
* @param object e The event object
|
|
|
1110 |
*/
|
|
|
1111 |
this.getObjectByXY = function (e)
|
|
|
1112 |
{
|
|
|
1113 |
var mouseXY = RG.getMouseXY(e);
|
|
|
1114 |
|
|
|
1115 |
if (
|
|
|
1116 |
mouseXY[0] > (this.centerx - this.radius)
|
|
|
1117 |
&& mouseXY[0] < (this.centerx + this.radius)
|
|
|
1118 |
&& mouseXY[1] > (this.centery - this.radius)
|
|
|
1119 |
&& mouseXY[1] < (this.centery + this.radius)
|
|
|
1120 |
) {
|
|
|
1121 |
|
|
|
1122 |
return this;
|
|
|
1123 |
}
|
|
|
1124 |
}
|
|
|
1125 |
|
|
|
1126 |
|
|
|
1127 |
|
|
|
1128 |
|
|
|
1129 |
/**
|
|
|
1130 |
* This function positions a tooltip when it is displayed
|
|
|
1131 |
*
|
|
|
1132 |
* @param obj object The chart object
|
|
|
1133 |
* @param int x The X coordinate specified for the tooltip
|
|
|
1134 |
* @param int y The Y coordinate specified for the tooltip
|
|
|
1135 |
* @param objec tooltip The tooltips DIV element
|
|
|
1136 |
*/
|
|
|
1137 |
this.positionTooltip = function (obj, x, y, tooltip, idx)
|
|
|
1138 |
{
|
|
|
1139 |
var dataset = tooltip.__dataset__;
|
|
|
1140 |
var index = tooltip.__index__;
|
|
|
1141 |
var coordX = this.coords[index][0];
|
|
|
1142 |
var coordY = this.coords[index][1];
|
|
|
1143 |
var canvasXY = RG.getCanvasXY(obj.canvas);
|
|
|
1144 |
var gutterLeft = this.gutterLeft;
|
|
|
1145 |
var gutterTop = this.gutterTop;
|
|
|
1146 |
var width = tooltip.offsetWidth;
|
|
|
1147 |
|
|
|
1148 |
// Set the top position
|
|
|
1149 |
tooltip.style.left = 0;
|
|
|
1150 |
tooltip.style.top = parseInt(tooltip.style.top) - 9 + 'px';
|
|
|
1151 |
|
|
|
1152 |
// By default any overflow is hidden
|
|
|
1153 |
tooltip.style.overflow = '';
|
|
|
1154 |
|
|
|
1155 |
// The arrow
|
|
|
1156 |
var img = new Image();
|
|
|
1157 |
img.src = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAFCAYAAACjKgd3AAAARUlEQVQYV2NkQAN79+797+RkhC4M5+/bd47B2dmZEVkBCgcmgcsgbAaA9GA1BCSBbhAuA/AagmwQPgMIGgIzCD0M0AMMAEFVIAa6UQgcAAAAAElFTkSuQmCC';
|
|
|
1158 |
img.style.position = 'absolute';
|
|
|
1159 |
img.id = '__rgraph_tooltip_pointer__';
|
|
|
1160 |
img.style.top = (tooltip.offsetHeight - 2) + 'px';
|
|
|
1161 |
tooltip.appendChild(img);
|
|
|
1162 |
|
|
|
1163 |
// Reposition the tooltip if at the edges:
|
|
|
1164 |
|
|
|
1165 |
// LEFT edge
|
|
|
1166 |
if ((canvasXY[0] + coordX - (width / 2)) < 10) {
|
|
|
1167 |
tooltip.style.left = (canvasXY[0] + coordX - (width * 0.1)) + 'px';
|
|
|
1168 |
img.style.left = ((width * 0.1) - 8.5) + 'px';
|
|
|
1169 |
|
|
|
1170 |
// RIGHT edge
|
|
|
1171 |
} else if ((canvasXY[0] + coordX + (width / 2)) > document.body.offsetWidth) {
|
|
|
1172 |
tooltip.style.left = canvasXY[0] + coordX - (width * 0.9) + 'px';
|
|
|
1173 |
img.style.left = ((width * 0.9) - 8.5) + 'px';
|
|
|
1174 |
|
|
|
1175 |
// Default positioning - CENTERED
|
|
|
1176 |
} else {
|
|
|
1177 |
tooltip.style.left = (canvasXY[0] + coordX - (width * 0.5)) + 'px';
|
|
|
1178 |
img.style.left = ((width * 0.5) - 8.5) + 'px';
|
|
|
1179 |
}
|
|
|
1180 |
}
|
|
|
1181 |
|
|
|
1182 |
|
|
|
1183 |
|
|
|
1184 |
|
|
|
1185 |
/**
|
|
|
1186 |
* This draws highlights on the points
|
|
|
1187 |
*/
|
|
|
1188 |
this.DrawHighlights = function ()
|
|
|
1189 |
{
|
|
|
1190 |
if (prop['chart.highlights']) {
|
|
|
1191 |
|
|
|
1192 |
var sequentialIdx = 0;
|
|
|
1193 |
var dataset = 0;
|
|
|
1194 |
var index = 0;
|
|
|
1195 |
var radius = prop['chart.highlights.radius'];
|
|
|
1196 |
|
|
|
1197 |
|
|
|
1198 |
|
|
|
1199 |
for (var dataset=0; dataset <this.data.length; ++dataset) {
|
|
|
1200 |
for (var index=0; index<this.data[dataset].length; ++index) {
|
|
|
1201 |
co.beginPath();
|
|
|
1202 |
co.strokeStyle = prop['chart.highlights.stroke'];
|
|
|
1203 |
co.fillStyle = prop['chart.highlights.fill'] ? prop['chart.highlights.fill'] : ((typeof(prop['chart.strokestyle']) == 'object' && prop['chart.strokestyle'][dataset]) ? prop['chart.strokestyle'][dataset] : prop['chart.strokestyle']);
|
|
|
1204 |
co.arc(this.coords[sequentialIdx][0], this.coords[sequentialIdx][1], radius, 0, TWOPI, false);
|
|
|
1205 |
co.stroke();
|
|
|
1206 |
co.fill();
|
|
|
1207 |
++sequentialIdx;
|
|
|
1208 |
}
|
|
|
1209 |
}
|
|
|
1210 |
|
|
|
1211 |
}
|
|
|
1212 |
}
|
|
|
1213 |
|
|
|
1214 |
|
|
|
1215 |
|
|
|
1216 |
|
|
|
1217 |
/**
|
|
|
1218 |
* This function returns the radius (ie the distance from the center) for a particular
|
|
|
1219 |
* value. Note that if you want the angle for a point you can use getAngle(index)
|
|
|
1220 |
*
|
|
|
1221 |
* @param number value The value you want the radius for
|
|
|
1222 |
*/
|
|
|
1223 |
this.getRadius = function (value)
|
|
|
1224 |
{
|
|
|
1225 |
if (value < 0 || value > this.max) {
|
|
|
1226 |
return null;
|
|
|
1227 |
}
|
|
|
1228 |
|
|
|
1229 |
// Radar doesn't support minimum value
|
|
|
1230 |
var radius = (value / this.max) * this.radius;
|
|
|
1231 |
|
|
|
1232 |
return radius;
|
|
|
1233 |
}
|
|
|
1234 |
|
|
|
1235 |
|
|
|
1236 |
|
|
|
1237 |
|
|
|
1238 |
/**
|
|
|
1239 |
* This function returns the angle (in radians) for a particular index.
|
|
|
1240 |
*
|
|
|
1241 |
* @param number numitems The total number of items
|
|
|
1242 |
* @param number index The zero index number of the item to get the angle for
|
|
|
1243 |
*/
|
|
|
1244 |
this.getAngle = function (numitems, index)
|
|
|
1245 |
{
|
|
|
1246 |
var angle = (TWOPI / numitems) * index;
|
|
|
1247 |
angle -= HALFPI;
|
|
|
1248 |
|
|
|
1249 |
return angle;
|
|
|
1250 |
}
|
|
|
1251 |
|
|
|
1252 |
|
|
|
1253 |
|
|
|
1254 |
|
|
|
1255 |
/**
|
|
|
1256 |
* This allows for easy specification of gradients
|
|
|
1257 |
*/
|
|
|
1258 |
this.parseColors = function ()
|
|
|
1259 |
{
|
|
|
1260 |
for (var i=0; i<prop['chart.colors'].length; ++i) {
|
|
|
1261 |
prop['chart.colors'][i] = this.parseSingleColorForGradient(prop['chart.colors'][i]);
|
|
|
1262 |
}
|
|
|
1263 |
|
|
|
1264 |
var keyColors = prop['chart.key.colors'];
|
|
|
1265 |
|
|
|
1266 |
if (typeof(keyColors) != 'null' && keyColors && keyColors.length) {
|
|
|
1267 |
for (var i=0; i<prop['chart.key.colors'].length; ++i) {
|
|
|
1268 |
prop['chart.key.colors'][i] = this.parseSingleColorForGradient(prop['chart.key.colors'][i]);
|
|
|
1269 |
}
|
|
|
1270 |
}
|
|
|
1271 |
|
|
|
1272 |
prop['chart.title.color'] = this.parseSingleColorForGradient(prop['chart.title.color']);
|
|
|
1273 |
prop['chart.text.color'] = this.parseSingleColorForGradient(prop['chart.text.color']);
|
|
|
1274 |
prop['chart.highlight.stroke'] = this.parseSingleColorForGradient(prop['chart.highlight.stroke']);
|
|
|
1275 |
prop['chart.highlight.fill'] = this.parseSingleColorForGradient(prop['chart.highlight.fill']);
|
|
|
1276 |
prop['chart.circle.fill'] = this.parseSingleColorForGradient(prop['chart.circle.fill']);
|
|
|
1277 |
prop['chart.circle.stroke'] = this.parseSingleColorForGradient(prop['chart.circle.stroke']);
|
|
|
1278 |
}
|
|
|
1279 |
|
|
|
1280 |
|
|
|
1281 |
|
|
|
1282 |
|
|
|
1283 |
/**
|
|
|
1284 |
* This parses a single color value
|
|
|
1285 |
*/
|
|
|
1286 |
this.parseSingleColorForGradient = function (color)
|
|
|
1287 |
{
|
|
|
1288 |
if (!color || typeof(color) != 'string') {
|
|
|
1289 |
return color;
|
|
|
1290 |
}
|
|
|
1291 |
|
|
|
1292 |
if (color.match(/^gradient\((.*)\)$/i)) {
|
|
|
1293 |
|
|
|
1294 |
var parts = RegExp.$1.split(':');
|
|
|
1295 |
|
|
|
1296 |
// Create the gradient
|
|
|
1297 |
var grad = co.createRadialGradient(this.centerx, this.centery, 0, this.centerx, this.centery, this.radius);
|
|
|
1298 |
|
|
|
1299 |
var diff = 1 / (parts.length - 1);
|
|
|
1300 |
|
|
|
1301 |
grad.addColorStop(0, RG.trim(parts[0]));
|
|
|
1302 |
|
|
|
1303 |
for (var j=1; j<parts.length; ++j) {
|
|
|
1304 |
grad.addColorStop(j * diff, RG.trim(parts[j]));
|
|
|
1305 |
}
|
|
|
1306 |
}
|
|
|
1307 |
|
|
|
1308 |
return grad ? grad : color;
|
|
|
1309 |
}
|
|
|
1310 |
|
|
|
1311 |
|
|
|
1312 |
|
|
|
1313 |
|
|
|
1314 |
this.AddFillListeners = function (e)
|
|
|
1315 |
{
|
|
|
1316 |
var obj = this;
|
|
|
1317 |
|
|
|
1318 |
var func = function (e)
|
|
|
1319 |
{
|
|
|
1320 |
//var canvas = e.target;
|
|
|
1321 |
//var context = canvas.getContext('2d');
|
|
|
1322 |
var coords = this.coords;
|
|
|
1323 |
var coords2 = this.coords2;
|
|
|
1324 |
var mouseXY = RG.getMouseXY(e);
|
|
|
1325 |
var dataset = 0;
|
|
|
1326 |
|
|
|
1327 |
if (e.type == 'mousemove' && prop['chart.fill.mousemove.redraw']) {
|
|
|
1328 |
RG.RedrawCanvas(ca);
|
|
|
1329 |
}
|
|
|
1330 |
|
|
|
1331 |
for (var dataset=(obj.coords2.length-1); dataset>=0; --dataset) {
|
|
|
1332 |
|
|
|
1333 |
// Draw the path again so that it can be checked
|
|
|
1334 |
co.beginPath();
|
|
|
1335 |
co.moveTo(obj.coords2[dataset][0][0], obj.coords2[dataset][0][1]);
|
|
|
1336 |
for (var j=0; j<obj.coords2[dataset].length; ++j) {
|
|
|
1337 |
co.lineTo(obj.coords2[dataset][j][0], obj.coords2[dataset][j][1]);
|
|
|
1338 |
}
|
|
|
1339 |
|
|
|
1340 |
// Draw a line back to the starting point
|
|
|
1341 |
co.lineTo(obj.coords2[dataset][0][0], obj.coords2[dataset][0][1]);
|
|
|
1342 |
|
|
|
1343 |
// Go thru the previous datasets coords in reverse order
|
|
|
1344 |
if (prop['chart.accumulative'] && dataset > 0) {
|
|
|
1345 |
co.lineTo(obj.coords2[dataset - 1][0][0], obj.coords2[dataset - 1][0][1]);
|
|
|
1346 |
for (var j=(obj.coords2[dataset - 1].length - 1); j>=0; --j) {
|
|
|
1347 |
co.lineTo(obj.coords2[dataset - 1][j][0], obj.coords2[dataset - 1][j][1]);
|
|
|
1348 |
}
|
|
|
1349 |
}
|
|
|
1350 |
|
|
|
1351 |
co.closePath();
|
|
|
1352 |
|
|
|
1353 |
if (co.isPointInPath(mouseXY[0], mouseXY[1])) {
|
|
|
1354 |
var inPath = true;
|
|
|
1355 |
break;
|
|
|
1356 |
}
|
|
|
1357 |
}
|
|
|
1358 |
|
|
|
1359 |
// Call the events
|
|
|
1360 |
if (inPath) {
|
|
|
1361 |
|
|
|
1362 |
var fillTooltips = prop['chart.fill.tooltips'];
|
|
|
1363 |
|
|
|
1364 |
/**
|
|
|
1365 |
* Click event
|
|
|
1366 |
*/
|
|
|
1367 |
if (e.type == 'click') {
|
|
|
1368 |
if (prop['chart.fill.click']) {
|
|
|
1369 |
prop['chart.fill.click'](e, dataset);
|
|
|
1370 |
}
|
|
|
1371 |
|
|
|
1372 |
if (prop['chart.fill.tooltips'] && prop['chart.fill.tooltips'][dataset]) {
|
|
|
1373 |
obj.DatasetTooltip(e, dataset);
|
|
|
1374 |
}
|
|
|
1375 |
}
|
|
|
1376 |
|
|
|
1377 |
|
|
|
1378 |
|
|
|
1379 |
/**
|
|
|
1380 |
* Mousemove event
|
|
|
1381 |
*/
|
|
|
1382 |
if (e.type == 'mousemove') {
|
|
|
1383 |
|
|
|
1384 |
if (prop['chart.fill.mousemove']) {
|
|
|
1385 |
prop['chart.fill.mousemove'](e, dataset);
|
|
|
1386 |
}
|
|
|
1387 |
|
|
|
1388 |
if (!RG.is_null(fillTooltips)) {
|
|
|
1389 |
e.target.style.cursor = 'pointer';
|
|
|
1390 |
}
|
|
|
1391 |
|
|
|
1392 |
if (prop['chart.fill.tooltips'] && prop['chart.fill.tooltips'][dataset]) {
|
|
|
1393 |
e.target.style.cursor = 'pointer';
|
|
|
1394 |
}
|
|
|
1395 |
}
|
|
|
1396 |
|
|
|
1397 |
e.stopPropagation();
|
|
|
1398 |
|
|
|
1399 |
} else if (e.type == 'mousemove') {
|
|
|
1400 |
ca.style.cursor = 'default';
|
|
|
1401 |
}
|
|
|
1402 |
}
|
|
|
1403 |
|
|
|
1404 |
/**
|
|
|
1405 |
* Add the click listener
|
|
|
1406 |
*/
|
|
|
1407 |
if (prop['chart.fill.click'] || !RG.is_null(prop['chart.fill.tooltips'])) {
|
|
|
1408 |
ca.addEventListener('click', func, false);
|
|
|
1409 |
}
|
|
|
1410 |
|
|
|
1411 |
/**
|
|
|
1412 |
* Add the mousemove listener
|
|
|
1413 |
*/
|
|
|
1414 |
if (prop['chart.fill.mousemove'] || !RG.is_null(prop['chart.fill.tooltips'])) {
|
|
|
1415 |
ca.addEventListener('mousemove', func, false);
|
|
|
1416 |
}
|
|
|
1417 |
}
|
|
|
1418 |
|
|
|
1419 |
|
|
|
1420 |
|
|
|
1421 |
|
|
|
1422 |
/**
|
|
|
1423 |
* This highlights a specific dataset on the chart
|
|
|
1424 |
*
|
|
|
1425 |
* @param number dataset The index of the dataset (which starts at zero)
|
|
|
1426 |
*/
|
|
|
1427 |
this.HighlightDataset = function (dataset)
|
|
|
1428 |
{
|
|
|
1429 |
co.beginPath();
|
|
|
1430 |
for (var j=0; j<this.coords2[dataset].length; ++j) {
|
|
|
1431 |
if (j == 0) {
|
|
|
1432 |
co.moveTo(this.coords2[dataset][0][0], this.coords2[dataset][0][1]);
|
|
|
1433 |
} else {
|
|
|
1434 |
co.lineTo(this.coords2[dataset][j][0], this.coords2[dataset][j][1]);
|
|
|
1435 |
}
|
|
|
1436 |
}
|
|
|
1437 |
|
|
|
1438 |
co.lineTo(this.coords2[dataset][0][0], this.coords2[dataset][0][1]);
|
|
|
1439 |
|
|
|
1440 |
if (prop['chart.accumulative'] && dataset > 0) {
|
|
|
1441 |
co.lineTo(this.coords2[dataset - 1][0][0], this.coords2[dataset - 1][0][1]);
|
|
|
1442 |
for (var j=(this.coords2[dataset - 1].length - 1); j>=0; --j) {
|
|
|
1443 |
co.lineTo(this.coords2[dataset - 1][j][0], this.coords2[dataset - 1][j][1]);
|
|
|
1444 |
}
|
|
|
1445 |
}
|
|
|
1446 |
|
|
|
1447 |
co.strokeStyle = prop['chart.fill.highlight.stroke'];
|
|
|
1448 |
co.fillStyle = prop['chart.fill.highlight.fill'];
|
|
|
1449 |
|
|
|
1450 |
co.stroke();
|
|
|
1451 |
co.fill();
|
|
|
1452 |
}
|
|
|
1453 |
|
|
|
1454 |
|
|
|
1455 |
|
|
|
1456 |
|
|
|
1457 |
/**
|
|
|
1458 |
* Shows a tooltip for a dataset (a "fill" tooltip), You can pecify these
|
|
|
1459 |
* with chart.fill.tooltips
|
|
|
1460 |
*/
|
|
|
1461 |
this.DatasetTooltip = function (e, dataset)
|
|
|
1462 |
{
|
|
|
1463 |
// Highlight the dataset
|
|
|
1464 |
this.HighlightDataset(dataset);
|
|
|
1465 |
|
|
|
1466 |
// Use the First datapoints coords for the Y position of the tooltip NOTE The X position is changed in the
|
|
|
1467 |
// obj.positionTooltip() method so set the index to be the first one
|
|
|
1468 |
var text = prop['chart.fill.tooltips'][dataset];
|
|
|
1469 |
var x = 0;
|
|
|
1470 |
var y = this.coords2[dataset][0][1] + RG.getCanvasXY(ca)[1];
|
|
|
1471 |
|
|
|
1472 |
|
|
|
1473 |
// Show a tooltip
|
|
|
1474 |
RG.Tooltip(this, text, x, y, 0, e);
|
|
|
1475 |
}
|
|
|
1476 |
|
|
|
1477 |
|
|
|
1478 |
|
|
|
1479 |
|
|
|
1480 |
/**
|
|
|
1481 |
* This function handles highlighting an entire data-series for the interactive
|
|
|
1482 |
* key
|
|
|
1483 |
*
|
|
|
1484 |
* @param int index The index of the data series to be highlighted
|
|
|
1485 |
*/
|
|
|
1486 |
this.interactiveKeyHighlight = function (index)
|
|
|
1487 |
{
|
|
|
1488 |
var coords = this.coords2[index];
|
|
|
1489 |
|
|
|
1490 |
if (coords) {
|
|
|
1491 |
|
|
|
1492 |
var pre_linewidth = co.lineWidth;
|
|
|
1493 |
var pre_linecap = co.lineCap;
|
|
|
1494 |
|
|
|
1495 |
|
|
|
1496 |
|
|
|
1497 |
|
|
|
1498 |
// ------------------------------------------ //
|
|
|
1499 |
|
|
|
1500 |
co.lineWidth = prop['chart.linewidth'] + 10;
|
|
|
1501 |
co.lineCap = 'round';
|
|
|
1502 |
co.strokeStyle = prop['chart.key.interactive.highlight.chart.stroke'];
|
|
|
1503 |
|
|
|
1504 |
|
|
|
1505 |
co.beginPath();
|
|
|
1506 |
for (var i=0,len=coords.length; i<len; i+=1) {
|
|
|
1507 |
if (i == 0) {
|
|
|
1508 |
co.moveTo(coords[i][0], coords[i][1]);
|
|
|
1509 |
} else {
|
|
|
1510 |
co.lineTo(coords[i][0], coords[i][1]);
|
|
|
1511 |
}
|
|
|
1512 |
}
|
|
|
1513 |
co.closePath();
|
|
|
1514 |
co.stroke();
|
|
|
1515 |
|
|
|
1516 |
// ------------------------------------------ //
|
|
|
1517 |
|
|
|
1518 |
|
|
|
1519 |
|
|
|
1520 |
|
|
|
1521 |
// Reset the lineCap and lineWidth
|
|
|
1522 |
co.lineWidth = pre_linewidth;
|
|
|
1523 |
co.lineCap = pre_linecap;
|
|
|
1524 |
}
|
|
|
1525 |
}
|
|
|
1526 |
|
|
|
1527 |
|
|
|
1528 |
|
|
|
1529 |
|
|
|
1530 |
/**
|
|
|
1531 |
* Always register the object
|
|
|
1532 |
*/
|
|
|
1533 |
RG.Register(this);
|
|
|
1534 |
}
|