1 | define(["dojo/_base/declare","dojo/_base/connect","dojo/_base/lang","dojo/_base/Color","dojox/gfx","./BarGauge","./BarCircleIndicator","./GlossyHorizontalGaugeMarker"], |
---|
2 | function(declare, connect, lang, Color, gfx, BarGauge, BarCircleIndicator, GlossyHorizontalGaugeMarker) { |
---|
3 | |
---|
4 | |
---|
5 | var NumberUtils |
---|
6 | |
---|
7 | /*===== |
---|
8 | BarGauge = dojox.gauges.BarGauge; |
---|
9 | =====*/ |
---|
10 | |
---|
11 | return declare("dojox.gauges.GlossyHorizontalGauge", [BarGauge], { |
---|
12 | // summary: |
---|
13 | // Represents an horizontal bar gauge with a glossy appearance. |
---|
14 | // |
---|
15 | // example: |
---|
16 | // | <div dojoType="dojox.gauges.GlossyHorizontalGauge" |
---|
17 | // | id="testGauge" |
---|
18 | // | width="500" |
---|
19 | // | height="100" |
---|
20 | // | min="0" |
---|
21 | // | max="100" |
---|
22 | // | value="0" |
---|
23 | // | majorTicksInterval="10" |
---|
24 | // | majorTicksColor="#c4c4c4" |
---|
25 | // | minorTicksInterval="5" |
---|
26 | // | minorTicksColor="#c4c4c4" |
---|
27 | // | color="black" |
---|
28 | // | markerColor="#c4c4c4" |
---|
29 | // | font="normal normal normal 10pt sans-serif" |
---|
30 | // | noChange="true" |
---|
31 | // | title="title" |
---|
32 | // | scalePrecision="0" |
---|
33 | // | > |
---|
34 | // | </div> |
---|
35 | |
---|
36 | |
---|
37 | // the type of default indicator to create |
---|
38 | _defaultIndicator: BarCircleIndicator, |
---|
39 | |
---|
40 | // color: String |
---|
41 | // The main color of the gauge. |
---|
42 | color: 'black', |
---|
43 | |
---|
44 | // needleColor: Color |
---|
45 | // The main color of the needle. |
---|
46 | markerColor: 'black', |
---|
47 | |
---|
48 | // majorTicksInterval: Number |
---|
49 | // Interval between major ticks |
---|
50 | majorTicksInterval: 10, |
---|
51 | |
---|
52 | // _majorTicksLength: Number |
---|
53 | // Major tick size, at design |
---|
54 | _majorTicksLength: 10, |
---|
55 | |
---|
56 | // majorTicksColor: Color |
---|
57 | // Color of major tick marks |
---|
58 | majorTicksColor: '#c4c4c4', |
---|
59 | |
---|
60 | // minorTicksInterval: Number |
---|
61 | // Interval between minor ticks |
---|
62 | minorTicksInterval: 5, |
---|
63 | |
---|
64 | // _minorTicksLength: Number |
---|
65 | // Minor tick size, at design |
---|
66 | _minorTicksLength: 6, |
---|
67 | |
---|
68 | // minorTicksColor: Color |
---|
69 | // Color of minor tick marks |
---|
70 | minorTicksColor: '#c4c4c4', |
---|
71 | |
---|
72 | // value: Number |
---|
73 | // The value of the gauge. |
---|
74 | value: 0, |
---|
75 | |
---|
76 | // noChange: Boolean |
---|
77 | // Indicates if the gauge reacts to touch events |
---|
78 | noChange: false, |
---|
79 | |
---|
80 | // title: String |
---|
81 | // The title displayed in the needle's tooltip |
---|
82 | title: "", |
---|
83 | |
---|
84 | // font: Object |
---|
85 | // The font of the gauge |
---|
86 | font: "normal normal normal 10pt serif", |
---|
87 | |
---|
88 | // scalePrecision: Number |
---|
89 | // The precision for the formatting of numbers in the scale (default is 0) |
---|
90 | scalePrecision: 0, |
---|
91 | |
---|
92 | _font: null, |
---|
93 | |
---|
94 | _margin: 2, |
---|
95 | _minBorderWidth: 2, |
---|
96 | _maxBorderWidth: 6, |
---|
97 | _tickLabelOffset: 5, |
---|
98 | _designHeight: 100, |
---|
99 | |
---|
100 | constructor: function(){ |
---|
101 | this.min = 0; |
---|
102 | this.max = 100; |
---|
103 | }, |
---|
104 | |
---|
105 | startup: function(){ |
---|
106 | this.inherited(arguments); |
---|
107 | |
---|
108 | if (this._gaugeStarted) return; |
---|
109 | |
---|
110 | this._gaugeStarted = true; |
---|
111 | |
---|
112 | var scale = this.height / this._designHeight; |
---|
113 | |
---|
114 | this._minorTicksLength = this._minorTicksLength * scale; |
---|
115 | this._majorTicksLength = this._majorTicksLength * scale; |
---|
116 | |
---|
117 | var font = this._font; |
---|
118 | this._computeDataRectangle(); |
---|
119 | |
---|
120 | // computing scale height |
---|
121 | |
---|
122 | var th = gfx.normalizedLength(font.size); |
---|
123 | var scaleHeight = th + this._tickLabelOffset + Math.max(this._majorTicksLength, this._minorTicksLength); |
---|
124 | // indicator in the middle of the gauge |
---|
125 | var yOffset = Math.max(0, (this.height - scaleHeight) / 2); |
---|
126 | |
---|
127 | this.addRange({ |
---|
128 | low: this.min ? this.min : 0, |
---|
129 | high: this.max ? this.max : 100, |
---|
130 | color: [0, 0, 0, 0] |
---|
131 | }); |
---|
132 | |
---|
133 | this.setMajorTicks({ |
---|
134 | fixedPrecision: true, |
---|
135 | precision: this.scalePrecision, |
---|
136 | font: font, |
---|
137 | labelPlacement: 'inside', |
---|
138 | offset: yOffset - this._majorTicksLength / 2, |
---|
139 | interval: this.majorTicksInterval, |
---|
140 | length: this._majorTicksLength, |
---|
141 | color: this.majorTicksColor |
---|
142 | |
---|
143 | }); |
---|
144 | |
---|
145 | this.setMinorTicks({ |
---|
146 | labelPlacement: 'inside', |
---|
147 | offset: yOffset - this._minorTicksLength / 2, |
---|
148 | interval: this.minorTicksInterval, |
---|
149 | length: this._minorTicksLength, |
---|
150 | color: this.minorTicksColor |
---|
151 | |
---|
152 | }); |
---|
153 | this._needle = new GlossyHorizontalGaugeMarker({ |
---|
154 | hideValue: true, |
---|
155 | title: this.title, |
---|
156 | noChange: this.noChange, |
---|
157 | offset: yOffset, |
---|
158 | color: this.markerColor, |
---|
159 | value: this.value |
---|
160 | }); |
---|
161 | this.addIndicator(this._needle); |
---|
162 | |
---|
163 | connect.connect(this._needle, "valueChanged", lang.hitch(this, function(){ |
---|
164 | this.value = this._needle.value; |
---|
165 | this.onValueChanged(); |
---|
166 | })); |
---|
167 | }, |
---|
168 | |
---|
169 | _layoutGauge: function(){ |
---|
170 | // summary: |
---|
171 | // Layout the gauge elements depending on the various parameters (size, font, tick length..) |
---|
172 | |
---|
173 | if (!this._gaugeStarted) |
---|
174 | return; |
---|
175 | |
---|
176 | var font = this._font; |
---|
177 | this._computeDataRectangle(); |
---|
178 | var th = gfx.normalizedLength(font.size); |
---|
179 | var scaleHeight = th + this._tickLabelOffset + Math.max(this._majorTicksLength, this._minorTicksLength); |
---|
180 | // indicator in the middle of the gauge |
---|
181 | var yOffset = Math.max(0, (this.height - scaleHeight) / 2); |
---|
182 | |
---|
183 | |
---|
184 | this._setMajorTicksProperty({ |
---|
185 | fixedPrecision: true, |
---|
186 | precision: this.scalePrecision, |
---|
187 | font: font, |
---|
188 | offset: yOffset - this._majorTicksLength / 2, |
---|
189 | interval: this.majorTicksInterval, |
---|
190 | length: this._majorTicksLength |
---|
191 | }); |
---|
192 | |
---|
193 | this._setMinorTicksProperty({ |
---|
194 | offset: yOffset - this._minorTicksLength / 2, |
---|
195 | interval: this.minorTicksInterval, |
---|
196 | length: this._minorTicksLength |
---|
197 | }); |
---|
198 | |
---|
199 | this.removeIndicator(this._needle); |
---|
200 | this._needle.offset = yOffset; |
---|
201 | this.addIndicator(this._needle); |
---|
202 | }, |
---|
203 | |
---|
204 | _formatNumber: function(val){ |
---|
205 | var NumberUtils = this._getNumberModule(); |
---|
206 | if(NumberUtils){ // use internationalization if loaded |
---|
207 | return NumberUtils.format(val, { |
---|
208 | places: this.scalePrecision |
---|
209 | }); |
---|
210 | }else{ |
---|
211 | return val.toFixed(this.scalePrecision); |
---|
212 | } |
---|
213 | }, |
---|
214 | |
---|
215 | _computeDataRectangle: function(){ |
---|
216 | // summary: |
---|
217 | // Computes the rectangle that defines the data area of the gauge. |
---|
218 | |
---|
219 | |
---|
220 | if (!this._gaugeStarted) |
---|
221 | return; |
---|
222 | |
---|
223 | var font = this._font; |
---|
224 | var leftTextMargin = this._getTextWidth(this._formatNumber(this.min), font) / 2; |
---|
225 | var rightTextMargin = this._getTextWidth(this._formatNumber(this.max), font) / 2; |
---|
226 | var textMargin = Math.max(leftTextMargin, rightTextMargin); |
---|
227 | |
---|
228 | var margin = this._getBorderWidth() + Math.max(this._majorTicksLength, this._majorTicksLength) / 2 + textMargin; |
---|
229 | this.dataHeight = this.height; |
---|
230 | this.dataY = 0; |
---|
231 | this.dataX = margin + this._margin; |
---|
232 | this.dataWidth = Math.max(0, this.width - 2 * this.dataX); |
---|
233 | }, |
---|
234 | |
---|
235 | _getTextWidth: function(s, font){ |
---|
236 | return gfx._base._getTextBox(s, { |
---|
237 | font: gfx.makeFontString(gfx.makeParameters(gfx.defaultFont, font)) |
---|
238 | }).w || |
---|
239 | 0; |
---|
240 | }, |
---|
241 | |
---|
242 | _getBorderWidth: function(){ |
---|
243 | // summary: |
---|
244 | // Computes the width of the border surrounding the gauge |
---|
245 | return Math.max(this._minBorderWidth, Math.min(this._maxBorderWidth, this._maxBorderWidth * this.height / this._designHeight)); |
---|
246 | }, |
---|
247 | |
---|
248 | drawBackground: function(group){ |
---|
249 | // summary: |
---|
250 | // Draws the background of the gauge |
---|
251 | // group: dojox.gfx.Group |
---|
252 | // The GFX group where the background must be drawn |
---|
253 | if (this._gaugeBackground){ |
---|
254 | return; |
---|
255 | } |
---|
256 | |
---|
257 | var lighterColor = Color.blendColors(new Color(this.color), new Color('white'), 0.4); |
---|
258 | this._gaugeBackground = group.createGroup(); |
---|
259 | |
---|
260 | var borderWidth = this._getBorderWidth(); |
---|
261 | var margin = this._margin; |
---|
262 | var w = this.width; |
---|
263 | var h = this.height; |
---|
264 | var radius = Math.min(h / 4, 23); |
---|
265 | this._gaugeBackground.createRect({ |
---|
266 | x: margin, |
---|
267 | y: margin, |
---|
268 | width: Math.max(0, w - 2 * margin), |
---|
269 | height: Math.max(0, h - 2 * margin), |
---|
270 | r: radius |
---|
271 | }).setFill(this.color); |
---|
272 | |
---|
273 | var left = margin + borderWidth; |
---|
274 | var right = w - borderWidth - margin; |
---|
275 | var top = margin + borderWidth; |
---|
276 | var w2 = w - 2 * borderWidth - 2 * margin; |
---|
277 | var h2 = h - 2 * borderWidth - 2 * margin; |
---|
278 | if (w2 <= 0 || h2 <= 0) |
---|
279 | return; |
---|
280 | radius = Math.min(radius, w2 / 2); |
---|
281 | radius = Math.min(radius, h2 / 2); |
---|
282 | this._gaugeBackground.createRect({ |
---|
283 | x: left, |
---|
284 | y: top, |
---|
285 | width: w2, |
---|
286 | height: h2, |
---|
287 | r: radius |
---|
288 | }).setFill({ |
---|
289 | type: "linear", |
---|
290 | x1: left, |
---|
291 | y1: 0, |
---|
292 | x2: left, |
---|
293 | y2: h - borderWidth - margin, |
---|
294 | colors: [{ |
---|
295 | offset: 0, |
---|
296 | color: lighterColor |
---|
297 | }, { |
---|
298 | offset: .2, |
---|
299 | color: this.color |
---|
300 | }, { |
---|
301 | offset: .8, |
---|
302 | color: this.color |
---|
303 | }, { |
---|
304 | offset: 1, |
---|
305 | color: lighterColor |
---|
306 | }] |
---|
307 | }); |
---|
308 | |
---|
309 | var f = 4 * (Math.sqrt(2) - 1) / 3 * radius; |
---|
310 | this._gaugeBackground.createPath({ |
---|
311 | path: 'M' + left + ' ' + (top + radius) + |
---|
312 | 'C' + |
---|
313 | left + |
---|
314 | ' ' + |
---|
315 | (top + radius - f) + |
---|
316 | ' ' + |
---|
317 | (left + radius - f) + |
---|
318 | ' ' + |
---|
319 | top + |
---|
320 | ' ' + |
---|
321 | (left + radius) + |
---|
322 | ' ' + |
---|
323 | top + |
---|
324 | 'L' + |
---|
325 | (right - radius) + |
---|
326 | ' ' + |
---|
327 | top + |
---|
328 | 'C' + |
---|
329 | (right - radius + f) + |
---|
330 | ' ' + |
---|
331 | top + |
---|
332 | ' ' + |
---|
333 | right + |
---|
334 | ' ' + |
---|
335 | (top + radius - f) + |
---|
336 | ' ' + |
---|
337 | right + |
---|
338 | ' ' + |
---|
339 | (top + radius) + |
---|
340 | 'L' + |
---|
341 | right + |
---|
342 | ' ' + |
---|
343 | (top + h / 2) + |
---|
344 | 'L' + |
---|
345 | left + |
---|
346 | ' ' + |
---|
347 | (top + h / 3) + |
---|
348 | 'Z' |
---|
349 | }).setFill({ |
---|
350 | type: "linear", |
---|
351 | x1: left, |
---|
352 | y1: top, |
---|
353 | x2: left, |
---|
354 | y2: top + this.height / 2, |
---|
355 | colors: [{ |
---|
356 | offset: 0, |
---|
357 | color: lighterColor |
---|
358 | }, { |
---|
359 | offset: 1, |
---|
360 | color: Color.blendColors(new Color(this.color), new Color('white'), 0.2) |
---|
361 | }] |
---|
362 | }); |
---|
363 | }, |
---|
364 | |
---|
365 | onValueChanged: function(){ |
---|
366 | // summary: |
---|
367 | // Callback when the value of the gauge has changed. |
---|
368 | |
---|
369 | }, |
---|
370 | |
---|
371 | //******************************************************************************************* |
---|
372 | //* Property getters and setters |
---|
373 | //******************************************************************************************* |
---|
374 | |
---|
375 | _setColorAttr: function(color){ |
---|
376 | // summary: |
---|
377 | // Sets the main color of the gauge |
---|
378 | // color: String |
---|
379 | // The color |
---|
380 | this.color = color ? color : 'black'; |
---|
381 | if (this._gaugeBackground && this._gaugeBackground.parent) |
---|
382 | this._gaugeBackground.parent.remove(this._gaugeBackground); |
---|
383 | |
---|
384 | this._gaugeBackground = null; |
---|
385 | this.draw(); |
---|
386 | }, |
---|
387 | |
---|
388 | _setMarkerColorAttr: function(color){ |
---|
389 | // summary: |
---|
390 | // Sets the main color of the marker |
---|
391 | // color: String |
---|
392 | // The color |
---|
393 | this.markerColor = color; |
---|
394 | if (this._needle){ |
---|
395 | this.removeIndicator(this._needle); |
---|
396 | this._needle.color = color; |
---|
397 | this._needle.shape = null; |
---|
398 | this.addIndicator(this._needle); |
---|
399 | } |
---|
400 | }, |
---|
401 | |
---|
402 | _setMajorTicksIntervalAttr: function(interval){ |
---|
403 | // summary: |
---|
404 | // Sets the interval between major ticks |
---|
405 | this.majorTicksInterval = interval; |
---|
406 | this._setMajorTicksProperty({ |
---|
407 | 'interval': this.majorTicksInterval |
---|
408 | }); |
---|
409 | }, |
---|
410 | |
---|
411 | setMajorTicksLength: function(length){ |
---|
412 | // summary: |
---|
413 | // Sets the size of the major ticks. |
---|
414 | this._majorTicksLength = length; |
---|
415 | this._layoutGauge(); |
---|
416 | return this; |
---|
417 | |
---|
418 | }, |
---|
419 | |
---|
420 | getMajorTicksLength: function(){ |
---|
421 | // summary: |
---|
422 | // Returns the size of the major ticks. |
---|
423 | return this._majorTicksLength; |
---|
424 | }, |
---|
425 | |
---|
426 | _setMajorTicksColorAttr: function(color){ |
---|
427 | // summary: |
---|
428 | // Sets the color of the major ticks. |
---|
429 | this.majorTicksColor = color; |
---|
430 | this._setMajorTicksProperty({ |
---|
431 | 'color': this.majorTicksColor |
---|
432 | }); |
---|
433 | }, |
---|
434 | |
---|
435 | _setMajorTicksProperty: function(prop){ |
---|
436 | if (this.majorTicks == null){ |
---|
437 | return; |
---|
438 | } |
---|
439 | lang.mixin(this.majorTicks, prop); |
---|
440 | this.setMajorTicks(this.majorTicks); |
---|
441 | }, |
---|
442 | |
---|
443 | _setMinorTicksIntervalAttr: function(interval){ |
---|
444 | // summary: |
---|
445 | // Sets the interval between minor ticks |
---|
446 | this.minorTicksInterval = interval; |
---|
447 | this._setMinorTicksProperty({ |
---|
448 | 'interval': this.minorTicksInterval |
---|
449 | }); |
---|
450 | }, |
---|
451 | |
---|
452 | setMinorTicksLength: function(length){ |
---|
453 | // summary: |
---|
454 | // Sets the size of the minor ticks. |
---|
455 | this._minorTicksLength = length; |
---|
456 | this._layoutGauge(); |
---|
457 | return this; |
---|
458 | }, |
---|
459 | |
---|
460 | getMinorTicksLength: function(){ |
---|
461 | // summary: |
---|
462 | // Gets the size of the minor ticks. |
---|
463 | return this._minorTicksLength; |
---|
464 | }, |
---|
465 | |
---|
466 | _setMinorTicksColorAttr: function(color){ |
---|
467 | // summary: |
---|
468 | // Sets the color of the minor ticks. |
---|
469 | this.minorTicksColor = color; |
---|
470 | this._setMinorTicksProperty({ |
---|
471 | 'color': this.minorTicksColor |
---|
472 | }); |
---|
473 | }, |
---|
474 | |
---|
475 | _setMinorTicksProperty: function(prop){ |
---|
476 | if (this.minorTicks == null){ |
---|
477 | return; |
---|
478 | } |
---|
479 | lang.mixin(this.minorTicks, prop); |
---|
480 | this.setMinorTicks(this.minorTicks); |
---|
481 | }, |
---|
482 | |
---|
483 | _setMinAttr: function(min){ |
---|
484 | this.min = min; |
---|
485 | this._computeDataRectangle(); |
---|
486 | if (this.majorTicks != null) |
---|
487 | this.setMajorTicks(this.majorTicks); |
---|
488 | if (this.minorTicks != null) |
---|
489 | this.setMinorTicks(this.minorTicks); |
---|
490 | this.draw(); |
---|
491 | }, |
---|
492 | |
---|
493 | _setMaxAttr: function(max){ |
---|
494 | this.max = max; |
---|
495 | this._computeDataRectangle(); |
---|
496 | if (this.majorTicks != null) |
---|
497 | this.setMajorTicks(this.majorTicks); |
---|
498 | if (this.minorTicks != null) |
---|
499 | this.setMinorTicks(this.minorTicks); |
---|
500 | this.draw(); |
---|
501 | }, |
---|
502 | |
---|
503 | _setValueAttr: function(value){ |
---|
504 | // summary: |
---|
505 | // Changes the value of the gauge |
---|
506 | // value: Number |
---|
507 | // The new value for the gauge. |
---|
508 | |
---|
509 | value = Math.min(this.max, value); |
---|
510 | value = Math.max(this.min, value); |
---|
511 | this.value = value; |
---|
512 | if (this._needle){ |
---|
513 | // update will not work if noChange is true. |
---|
514 | var noChange = this._needle.noChange; |
---|
515 | this._needle.noChange = false; |
---|
516 | this._needle.update(value); |
---|
517 | this._needle.noChange = noChange; |
---|
518 | } |
---|
519 | }, |
---|
520 | |
---|
521 | _setScalePrecisionAttr: function(value){ |
---|
522 | // summary: |
---|
523 | // Changes precision of the numbers in the scale of the gauge |
---|
524 | // value: Number |
---|
525 | // The new value |
---|
526 | this.scalePrecision = value; |
---|
527 | this._layoutGauge(); |
---|
528 | }, |
---|
529 | |
---|
530 | _setNoChangeAttr: function(value){ |
---|
531 | // summary: |
---|
532 | // Indicates if the value of the gauge can be changed or not |
---|
533 | // value: boolean |
---|
534 | // true indicates that the gauge's value cannot be changed |
---|
535 | this.noChange = value; |
---|
536 | if (this._needle) |
---|
537 | this._needle.noChange = this.noChange; |
---|
538 | }, |
---|
539 | |
---|
540 | _setTitleAttr: function(value){ |
---|
541 | // summary: |
---|
542 | // Sets the title displayed by the needle's tooltip . |
---|
543 | // value: String |
---|
544 | // the title |
---|
545 | |
---|
546 | this.title = value; |
---|
547 | if (this._needle){ |
---|
548 | this._needle.title = this.title; |
---|
549 | } |
---|
550 | }, |
---|
551 | |
---|
552 | _setFontAttr: function(font){ |
---|
553 | // summary: |
---|
554 | // Sets the font of the gauge |
---|
555 | // summary: |
---|
556 | // Sets the font of the gauge |
---|
557 | // font: String |
---|
558 | // An string representing the font such as 'normal normal normal 10pt Helvetica,Arial,sans-serif' |
---|
559 | // |
---|
560 | |
---|
561 | this.font = font; |
---|
562 | this._font = gfx.splitFontString(font); |
---|
563 | this._layoutGauge(); |
---|
564 | } |
---|
565 | }); |
---|
566 | }); |
---|
567 | |
---|