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source: branches/HiveStatistics/sources/HeuristicLab.Services.Hive.Statistics/3.3/Scripts/jqPlot/plugins/jqplot.pyramidGridRenderer.js @ 9617

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Last change on this file since 9617 was 9617, checked in by pfleck, 11 years ago
#2063: Started integrating Hive statistics into statistics web project. Added jqPlot library for charting.
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1	/**
2	* jqPlot
3	* Pure JavaScript plotting plugin using jQuery
4	*
5	* Version: 1.0.0b2_r1012
6	*
7	* Copyright (c) 2009-2011 Chris Leonello
8	* jqPlot is currently available for use in all personal or commercial projects
9	* under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL
10	* version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can
11	* choose the license that best suits your project and use it accordingly.
12	*
13	* Although not required, the author would appreciate an email letting him
14	* know of any substantial use of jqPlot. You can reach the author at:
15	* chris at jqplot dot com or see http://www.jqplot.com/info.php .
16	*
17	* If you are feeling kind and generous, consider supporting the project by
18	* making a donation at: http://www.jqplot.com/donate.php .
19	*
20	* sprintf functions contained in jqplot.sprintf.js by Ash Searle:
21	*
22	* version 2007.04.27
23	* author Ash Searle
24	* http://hexmen.com/blog/2007/03/printf-sprintf/
25	* http://hexmen.com/js/sprintf.js
26	* The author (Ash Searle) has placed this code in the public domain:
27	* "This code is unrestricted: you are free to use it however you like."
28	*
29	*/
30	(function($) {
31	// Class: $.jqplot.CanvasGridRenderer
32	// The default jqPlot grid renderer, creating a grid on a canvas element.
33	// The renderer has no additional options beyond the <Grid> class.
34	$.jqplot.PyramidGridRenderer = function(){
35	$.jqplot.CanvasGridRenderer.call(this);
36	};
37
38	$.jqplot.PyramidGridRenderer.prototype = new $.jqplot.CanvasGridRenderer();
39	$.jqplot.PyramidGridRenderer.prototype.constructor = $.jqplot.PyramidGridRenderer;
40
41	// called with context of Grid object
42	$.jqplot.CanvasGridRenderer.prototype.init = function(options) {
43	this._ctx;
44	this.plotBands = {
45	show: false,
46	color: 'rgb(230, 219, 179)',
47	axis: 'y',
48	start: null,
49	interval: 10
50	};
51	$.extend(true, this, options);
52	// set the shadow renderer options
53	var sopts = {lineJoin:'miter', lineCap:'round', fill:false, isarc:false, angle:this.shadowAngle, offset:this.shadowOffset, alpha:this.shadowAlpha, depth:this.shadowDepth, lineWidth:this.shadowWidth, closePath:false, strokeStyle:this.shadowColor};
54	this.renderer.shadowRenderer.init(sopts);
55	};
56
57	$.jqplot.PyramidGridRenderer.prototype.draw = function() {
58	this._ctx = this._elem.get(0).getContext("2d");
59	var ctx = this._ctx;
60	var axes = this._axes;
61	var xp = axes.xaxis.u2p;
62	var yp = axes.yMidAxis.u2p;
63	var xnudge = axes.xaxis.max/1000.0;
64	var xp0 = xp(0);
65	var xpn = xp(xnudge);
66	var ax = ['xaxis', 'yaxis', 'x2axis', 'y2axis','yMidAxis'];
67	// Add the grid onto the grid canvas. This is the bottom most layer.
68	ctx.save();
69	ctx.clearRect(0, 0, this._plotDimensions.width, this._plotDimensions.height);
70	ctx.fillStyle = this.backgroundColor \|\| this.background;
71
72	ctx.fillRect(this._left, this._top, this._width, this._height);
73
74	if (this.plotBands.show) {
75	ctx.save();
76	var pb = this.plotBands;
77	ctx.fillStyle = pb.color;
78	var axis;
79	var x, y, w, h;
80	// find axis to work with
81	if (pb.axis.charAt(0) === 'x') {
82	if (axes.xaxis.show) {
83	axis = axes.xaxis;
84	}
85	}
86	else if (pb.axis.charAt(0) === 'y') {
87	if (axes.yaxis.show) {
88	axis = axes.yaxis;
89	}
90	else if (axes.y2axis.show) {
91	axis = axes.y2axis;
92	}
93	else if (axes.yMidAxis.show) {
94	axis = axes.yMidAxis;
95	}
96	}
97
98	if (axis !== undefined) {
99	// draw some rectangles
100	var start = pb.start;
101	if (start === null) {
102	start = axis.min;
103	}
104	for (var i = start; i < axis.max; i += 2 * pb.interval) {
105	if (axis.name.charAt(0) === 'y') {
106	x = this._left;
107	y = axis.series_u2p(i + pb.interval) + this._top;
108	w = this._right - this._left;
109	h = axis.series_u2p(start) - axis.series_u2p(start + pb.interval);
110	ctx.fillRect(x, y, w, h);
111	}
112	// else {
113	// y = 0;
114	// x = axis.series_u2p(i);
115	// h = this._height;
116	// w = axis.series_u2p(start + pb.interval) - axis.series_u2p(start);
117	// }
118
119	}
120	}
121	ctx.restore();
122	}
123
124	ctx.save();
125	ctx.lineJoin = 'miter';
126	ctx.lineCap = 'butt';
127	ctx.lineWidth = this.gridLineWidth;
128	ctx.strokeStyle = this.gridLineColor;
129	var b, e, s, m;
130	for (var i=5; i>0; i--) {
131	var name = ax[i-1];
132	var axis = axes[name];
133	var ticks = axis._ticks;
134	var numticks = ticks.length;
135	if (axis.show) {
136	if (axis.drawBaseline) {
137	var bopts = {};
138	if (axis.baselineWidth !== null) {
139	bopts.lineWidth = axis.baselineWidth;
140	}
141	if (axis.baselineColor !== null) {
142	bopts.strokeStyle = axis.baselineColor;
143	}
144	switch (name) {
145	case 'xaxis':
146	if (axes.yMidAxis.show) {
147	drawLine (this._left, this._bottom, xp0, this._bottom, bopts);
148	drawLine (xpn, this._bottom, this._right, this._bottom, bopts);
149	}
150	else {
151	drawLine (this._left, this._bottom, this._right, this._bottom, bopts);
152	}
153	break;
154	case 'yaxis':
155	drawLine (this._left, this._bottom, this._left, this._top, bopts);
156	break;
157	case 'yMidAxis':
158	drawLine(xp0, this._bottom, xp0, this._top, bopts);
159	drawLine(xpn, this._bottom, xpn, this._top, bopts);
160	break;
161	case 'x2axis':
162	if (axes.yMidAxis.show) {
163	drawLine (this._left, this._top, xp0, this._top, bopts);
164	drawLine (xpn, this._top, this._right, this._top, bopts);
165	}
166	else {
167	drawLine (this._left, this._bottom, this._right, this._bottom, bopts);
168	}
169	break;
170	case 'y2axis':
171	drawLine (this._right, this._bottom, this._right, this._top, bopts);
172	break;
173
174	}
175	}
176	for (var j=numticks; j>0; j--) {
177	var t = ticks[j-1];
178	if (t.show) {
179	var pos = Math.round(axis.u2p(t.value)) + 0.5;
180	switch (name) {
181	case 'xaxis':
182	// draw the grid line if we should
183	if (t.showGridline && this.drawGridlines && (!t.isMinorTick \|\| axis.showMinorTicks)) {
184	drawLine(pos, this._top, pos, this._bottom);
185	}
186
187	// draw the mark
188	if (t.showMark && t.mark && (!t.isMinorTick \|\| axis.showMinorTicks)) {
189	s = t.markSize;
190	m = t.mark;
191	var pos = Math.round(axis.u2p(t.value)) + 0.5;
192	switch (m) {
193	case 'outside':
194	b = this._bottom;
195	e = this._bottom+s;
196	break;
197	case 'inside':
198	b = this._bottom-s;
199	e = this._bottom;
200	break;
201	case 'cross':
202	b = this._bottom-s;
203	e = this._bottom+s;
204	break;
205	default:
206	b = this._bottom;
207	e = this._bottom+s;
208	break;
209	}
210	// draw the shadow
211	if (this.shadow) {
212	this.renderer.shadowRenderer.draw(ctx, [[pos,b],[pos,e]], {lineCap:'butt', lineWidth:this.gridLineWidth, offset:this.gridLineWidth*0.75, depth:2, fill:false, closePath:false});
213	}
214	// draw the line
215	drawLine(pos, b, pos, e);
216	}
217	break;
218	case 'yaxis':
219	// draw the grid line
220	if (t.showGridline && this.drawGridlines && (!t.isMinorTick \|\| axis.showMinorTicks)) {
221	drawLine(this._right, pos, this._left, pos);
222	}
223
224	// draw the mark
225	if (t.showMark && t.mark && (!t.isMinorTick \|\| axis.showMinorTicks)) {
226	s = t.markSize;
227	m = t.mark;
228	var pos = Math.round(axis.u2p(t.value)) + 0.5;
229	switch (m) {
230	case 'outside':
231	b = this._left-s;
232	e = this._left;
233	break;
234	case 'inside':
235	b = this._left;
236	e = this._left+s;
237	break;
238	case 'cross':
239	b = this._left-s;
240	e = this._left+s;
241	break;
242	default:
243	b = this._left-s;
244	e = this._left;
245	break;
246	}
247	// draw the shadow
248	if (this.shadow) {
249	this.renderer.shadowRenderer.draw(ctx, [[b, pos], [e, pos]], {lineCap:'butt', lineWidth:this.gridLineWidth1.5, offset:this.gridLineWidth0.75, fill:false, closePath:false});
250	}
251	drawLine(b, pos, e, pos, {strokeStyle:axis.borderColor});
252	}
253	break;
254	case 'yMidAxis':
255	// draw the grid line
256	if (t.showGridline && this.drawGridlines && (!t.isMinorTick \|\| axis.showMinorTicks)) {
257	drawLine(this._left, pos, xp0, pos);
258	drawLine(xpn, pos, this._right, pos);
259	}
260	// draw the mark
261	if (t.showMark && t.mark && (!t.isMinorTick \|\| axis.showMinorTicks)) {
262	s = t.markSize;
263	m = t.mark;
264	var pos = Math.round(axis.u2p(t.value)) + 0.5;
265
266	b = xp0;
267	e = xp0 + s;
268	// draw the shadow
269	if (this.shadow) {
270	this.renderer.shadowRenderer.draw(ctx, [[b, pos], [e, pos]], {lineCap:'butt', lineWidth:this.gridLineWidth1.5, offset:this.gridLineWidth0.75, fill:false, closePath:false});
271	}
272	drawLine(b, pos, e, pos, {strokeStyle:axis.borderColor});
273
274	b = xpn - s;
275	e = xpn;
276	// draw the shadow
277	if (this.shadow) {
278	this.renderer.shadowRenderer.draw(ctx, [[b, pos], [e, pos]], {lineCap:'butt', lineWidth:this.gridLineWidth1.5, offset:this.gridLineWidth0.75, fill:false, closePath:false});
279	}
280	drawLine(b, pos, e, pos, {strokeStyle:axis.borderColor});
281	}
282	break;
283	case 'x2axis':
284	// draw the grid line
285	if (t.showGridline && this.drawGridlines && (!t.isMinorTick \|\| axis.showMinorTicks)) {
286	drawLine(pos, this._bottom, pos, this._top);
287	}
288
289	// draw the mark
290	if (t.showMark && t.mark && (!t.isMinorTick \|\| axis.showMinorTicks)) {
291	s = t.markSize;
292	m = t.mark;
293	var pos = Math.round(axis.u2p(t.value)) + 0.5;
294	switch (m) {
295	case 'outside':
296	b = this._top-s;
297	e = this._top;
298	break;
299	case 'inside':
300	b = this._top;
301	e = this._top+s;
302	break;
303	case 'cross':
304	b = this._top-s;
305	e = this._top+s;
306	break;
307	default:
308	b = this._top-s;
309	e = this._top;
310	break;
311	}
312	// draw the shadow
313	if (this.shadow) {
314	this.renderer.shadowRenderer.draw(ctx, [[pos,b],[pos,e]], {lineCap:'butt', lineWidth:this.gridLineWidth, offset:this.gridLineWidth*0.75, depth:2, fill:false, closePath:false});
315	}
316	drawLine(pos, b, pos, e);
317	}
318	break;
319	case 'y2axis':
320	// draw the grid line
321	if (t.showGridline && this.drawGridlines && (!t.isMinorTick \|\| axis.showMinorTicks)) {
322	drawLine(this._left, pos, this._right, pos);
323	}
324
325	// draw the mark
326	if (t.showMark && t.mark && (!t.isMinorTick \|\| axis.showMinorTicks)) {
327	s = t.markSize;
328	m = t.mark;
329	var pos = Math.round(axis.u2p(t.value)) + 0.5;
330	switch (m) {
331	case 'outside':
332	b = this._right;
333	e = this._right+s;
334	break;
335	case 'inside':
336	b = this._right-s;
337	e = this._right;
338	break;
339	case 'cross':
340	b = this._right-s;
341	e = this._right+s;
342	break;
343	default:
344	b = this._right;
345	e = this._right+s;
346	break;
347	}
348	// draw the shadow
349	if (this.shadow) {
350	this.renderer.shadowRenderer.draw(ctx, [[b, pos], [e, pos]], {lineCap:'butt', lineWidth:this.gridLineWidth1.5, offset:this.gridLineWidth0.75, fill:false, closePath:false});
351	}
352	drawLine(b, pos, e, pos, {strokeStyle:axis.borderColor});
353	}
354	break;
355	default:
356	break;
357	}
358	}
359	}
360	t = null;
361	}
362	axis = null;
363	ticks = null;
364	}
365
366	ctx.restore();
367
368	function drawLine(bx, by, ex, ey, opts) {
369	ctx.save();
370	opts = opts \|\| {};
371	if (opts.lineWidth == null \|\| opts.lineWidth != 0){
372	$.extend(true, ctx, opts);
373	ctx.beginPath();
374	ctx.moveTo(bx, by);
375	ctx.lineTo(ex, ey);
376	ctx.stroke();
377	}
378	ctx.restore();
379	}
380
381	if (this.shadow) {
382	if (axes.yMidAxis.show) {
383	var points = [[this._left, this._bottom], [xp0, this._bottom]];
384	this.renderer.shadowRenderer.draw(ctx, points);
385	var points = [[xpn, this._bottom], [this._right, this._bottom], [this._right, this._top]];
386	this.renderer.shadowRenderer.draw(ctx, points);
387	var points = [[xp0, this._bottom], [xp0, this._top]];
388	this.renderer.shadowRenderer.draw(ctx, points);
389	}
390	else {
391	var points = [[this._left, this._bottom], [this._right, this._bottom], [this._right, this._top]];
392	this.renderer.shadowRenderer.draw(ctx, points);
393	}
394	}
395	// Now draw border around grid. Use axis border definitions. start at
396	// upper left and go clockwise.
397	if (this.borderWidth != 0 && this.drawBorder) {
398	if (axes.yMidAxis.show) {
399	drawLine (this._left, this._top, xp0, this._top, {lineCap:'round', strokeStyle:axes.x2axis.borderColor, lineWidth:axes.x2axis.borderWidth});
400	drawLine (xpn, this._top, this._right, this._top, {lineCap:'round', strokeStyle:axes.x2axis.borderColor, lineWidth:axes.x2axis.borderWidth});
401	drawLine (this._right, this._top, this._right, this._bottom, {lineCap:'round', strokeStyle:axes.y2axis.borderColor, lineWidth:axes.y2axis.borderWidth});
402	drawLine (this._right, this._bottom, xpn, this._bottom, {lineCap:'round', strokeStyle:axes.xaxis.borderColor, lineWidth:axes.xaxis.borderWidth});
403	drawLine (xp0, this._bottom, this._left, this._bottom, {lineCap:'round', strokeStyle:axes.xaxis.borderColor, lineWidth:axes.xaxis.borderWidth});
404	drawLine (this._left, this._bottom, this._left, this._top, {lineCap:'round', strokeStyle:axes.yaxis.borderColor, lineWidth:axes.yaxis.borderWidth});
405	drawLine (xp0, this._bottom, xp0, this._top, {lineCap:'round', strokeStyle:axes.yaxis.borderColor, lineWidth:axes.yaxis.borderWidth});
406	drawLine (xpn, this._bottom, xpn, this._top, {lineCap:'round', strokeStyle:axes.yaxis.borderColor, lineWidth:axes.yaxis.borderWidth});
407	}
408	else {
409	drawLine (this._left, this._top, this._right, this._top, {lineCap:'round', strokeStyle:axes.x2axis.borderColor, lineWidth:axes.x2axis.borderWidth});
410	drawLine (this._right, this._top, this._right, this._bottom, {lineCap:'round', strokeStyle:axes.y2axis.borderColor, lineWidth:axes.y2axis.borderWidth});
411	drawLine (this._right, this._bottom, this._left, this._bottom, {lineCap:'round', strokeStyle:axes.xaxis.borderColor, lineWidth:axes.xaxis.borderWidth});
412	drawLine (this._left, this._bottom, this._left, this._top, {lineCap:'round', strokeStyle:axes.yaxis.borderColor, lineWidth:axes.yaxis.borderWidth});
413	}
414	}
415	// ctx.lineWidth = this.borderWidth;
416	// ctx.strokeStyle = this.borderColor;
417	// ctx.strokeRect(this._left, this._top, this._width, this._height);
418
419	ctx.restore();
420	ctx = null;
421	axes = null;
422	};
423	})(jQuery);

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