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13695 anikendra 1
/* =========================================================
2
 * bootstrap-slider.js v2.0.0
3
 * http://www.eyecon.ro/bootstrap-slider
4
 * =========================================================
5
 * Copyright 2012 Stefan Petre
6
 *
7
 * Licensed under the Apache License, Version 2.0 (the "License");
8
 * you may not use this file except in compliance with the License.
9
 * You may obtain a copy of the License at
10
 *
11
 * http://www.apache.org/licenses/LICENSE-2.0
12
 *
13
 * Unless required by applicable law or agreed to in writing, software
14
 * distributed under the License is distributed on an "AS IS" BASIS,
15
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16
 * See the License for the specific language governing permissions and
17
 * limitations under the License.
18
 * ========================================================= */
19
 
20
!function( $ ) {
21
 
22
	var Slider = function(element, options) {
23
		this.element = $(element);
24
		this.picker = $('<div class="slider">'+
25
							'<div class="slider-track">'+
26
								'<div class="slider-selection"></div>'+
27
								'<div class="slider-handle"></div>'+
28
								'<div class="slider-handle"></div>'+
29
							'</div>'+
30
							'<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'+
31
						'</div>')
32
							.insertBefore(this.element)
33
							.append(this.element);
34
		this.id = this.element.data('slider-id')||options.id;
35
		if (this.id) {
36
			this.picker[0].id = this.id;
37
		}
38
 
39
		if (typeof Modernizr !== 'undefined' && Modernizr.touch) {
40
			this.touchCapable = true;
41
		}
42
 
43
		var tooltip = this.element.data('slider-tooltip')||options.tooltip;
44
 
45
		this.tooltip = this.picker.find('.tooltip');
46
		this.tooltipInner = this.tooltip.find('div.tooltip-inner');
47
 
48
		this.orientation = this.element.data('slider-orientation')||options.orientation;
49
		switch(this.orientation) {
50
			case 'vertical':
51
				this.picker.addClass('slider-vertical');
52
				this.stylePos = 'top';
53
				this.mousePos = 'pageY';
54
				this.sizePos = 'offsetHeight';
55
				this.tooltip.addClass('right')[0].style.left = '100%';
56
				break;
57
			default:
58
				this.picker
59
					.addClass('slider-horizontal')
60
					.css('width', this.element.outerWidth());
61
				this.orientation = 'horizontal';
62
				this.stylePos = 'left';
63
				this.mousePos = 'pageX';
64
				this.sizePos = 'offsetWidth';
65
				this.tooltip.addClass('top')[0].style.top = -this.tooltip.outerHeight() - 14 + 'px';
66
				break;
67
		}
68
 
69
		this.min = this.element.data('slider-min')||options.min;
70
		this.max = this.element.data('slider-max')||options.max;
71
		this.step = this.element.data('slider-step')||options.step;
72
		this.value = this.element.data('slider-value')||options.value;
73
		if (this.value[1]) {
74
			this.range = true;
75
		}
76
 
77
		this.selection = this.element.data('slider-selection')||options.selection;
78
		this.selectionEl = this.picker.find('.slider-selection');
79
		if (this.selection === 'none') {
80
			this.selectionEl.addClass('hide');
81
		}
82
		this.selectionElStyle = this.selectionEl[0].style;
83
 
84
 
85
		this.handle1 = this.picker.find('.slider-handle:first');
86
		this.handle1Stype = this.handle1[0].style;
87
		this.handle2 = this.picker.find('.slider-handle:last');
88
		this.handle2Stype = this.handle2[0].style;
89
 
90
		var handle = this.element.data('slider-handle')||options.handle;
91
		switch(handle) {
92
			case 'round':
93
				this.handle1.addClass('round');
94
				this.handle2.addClass('round');
95
				break
96
			case 'triangle':
97
				this.handle1.addClass('triangle');
98
				this.handle2.addClass('triangle');
99
				break
100
		}
101
 
102
		if (this.range) {
103
			this.value[0] = Math.max(this.min, Math.min(this.max, this.value[0]));
104
			this.value[1] = Math.max(this.min, Math.min(this.max, this.value[1]));
105
		} else {
106
			this.value = [ Math.max(this.min, Math.min(this.max, this.value))];
107
			this.handle2.addClass('hide');
108
			if (this.selection == 'after') {
109
				this.value[1] = this.max;
110
			} else {
111
				this.value[1] = this.min;
112
			}
113
		}
114
		this.diff = this.max - this.min;
115
		this.percentage = [
116
			(this.value[0]-this.min)*100/this.diff,
117
			(this.value[1]-this.min)*100/this.diff,
118
			this.step*100/this.diff
119
		];
120
 
121
		this.offset = this.picker.offset();
122
		this.size = this.picker[0][this.sizePos];
123
 
124
		this.formater = options.formater;
125
 
126
		this.layout();
127
 
128
		if (this.touchCapable) {
129
			// Touch: Bind touch events:
130
			this.picker.on({
131
				touchstart: $.proxy(this.mousedown, this)
132
			});
133
		} else {
134
			this.picker.on({
135
				mousedown: $.proxy(this.mousedown, this)
136
			});
137
		}
138
 
139
		if (tooltip === 'show') {
140
			this.picker.on({
141
				mouseenter: $.proxy(this.showTooltip, this),
142
				mouseleave: $.proxy(this.hideTooltip, this)
143
			});
144
		} else {
145
			this.tooltip.addClass('hide');
146
		}
147
	};
148
 
149
	Slider.prototype = {
150
		constructor: Slider,
151
 
152
		over: false,
153
		inDrag: false,
154
 
155
		showTooltip: function(){
156
			this.tooltip.addClass('in');
157
			//var left = Math.round(this.percent*this.width);
158
			//this.tooltip.css('left', left - this.tooltip.outerWidth()/2);
159
			this.over = true;
160
		},
161
 
162
		hideTooltip: function(){
163
			if (this.inDrag === false) {
164
				this.tooltip.removeClass('in');
165
			}
166
			this.over = false;
167
		},
168
 
169
		layout: function(){
170
			this.handle1Stype[this.stylePos] = this.percentage[0]+'%';
171
			this.handle2Stype[this.stylePos] = this.percentage[1]+'%';
172
			if (this.orientation == 'vertical') {
173
				this.selectionElStyle.top = Math.min(this.percentage[0], this.percentage[1]) +'%';
174
				this.selectionElStyle.height = Math.abs(this.percentage[0] - this.percentage[1]) +'%';
175
			} else {
176
				this.selectionElStyle.left = Math.min(this.percentage[0], this.percentage[1]) +'%';
177
				this.selectionElStyle.width = Math.abs(this.percentage[0] - this.percentage[1]) +'%';
178
			}
179
			if (this.range) {
180
				this.tooltipInner.text(
181
					this.formater(this.value[0]) + 
182
					' : ' + 
183
					this.formater(this.value[1])
184
				);
185
				this.tooltip[0].style[this.stylePos] = this.size * (this.percentage[0] + (this.percentage[1] - this.percentage[0])/2)/100 - (this.orientation === 'vertical' ? this.tooltip.outerHeight()/2 : this.tooltip.outerWidth()/2) +'px';
186
			} else {
187
				this.tooltipInner.text(
188
					this.formater(this.value[0])
189
				);
190
				this.tooltip[0].style[this.stylePos] = this.size * this.percentage[0]/100 - (this.orientation === 'vertical' ? this.tooltip.outerHeight()/2 : this.tooltip.outerWidth()/2) +'px';
191
			}
192
		},
193
 
194
		mousedown: function(ev) {
195
 
196
			// Touch: Get the original event:
197
			if (this.touchCapable && ev.type === 'touchstart') {
198
				ev = ev.originalEvent;
199
			}
200
 
201
			this.offset = this.picker.offset();
202
			this.size = this.picker[0][this.sizePos];
203
 
204
			var percentage = this.getPercentage(ev);
205
 
206
			if (this.range) {
207
				var diff1 = Math.abs(this.percentage[0] - percentage);
208
				var diff2 = Math.abs(this.percentage[1] - percentage);
209
				this.dragged = (diff1 < diff2) ? 0 : 1;
210
			} else {
211
				this.dragged = 0;
212
			}
213
 
214
			this.percentage[this.dragged] = percentage;
215
			this.layout();
216
 
217
			if (this.touchCapable) {
218
				// Touch: Bind touch events:
219
				$(document).on({
220
					touchmove: $.proxy(this.mousemove, this),
221
					touchend: $.proxy(this.mouseup, this)
222
				});
223
			} else {
224
				$(document).on({
225
					mousemove: $.proxy(this.mousemove, this),
226
					mouseup: $.proxy(this.mouseup, this)
227
				});
228
			}
229
 
230
			this.inDrag = true;
231
			var val = this.calculateValue();
232
			this.element.trigger({
233
					type: 'slideStart',
234
					value: val
235
				}).trigger({
236
					type: 'slide',
237
					value: val
238
				});
239
			return false;
240
		},
241
 
242
		mousemove: function(ev) {
243
 
244
			// Touch: Get the original event:
245
			if (this.touchCapable && ev.type === 'touchmove') {
246
				ev = ev.originalEvent;
247
			}
248
 
249
			var percentage = this.getPercentage(ev);
250
			if (this.range) {
251
				if (this.dragged === 0 && this.percentage[1] < percentage) {
252
					this.percentage[0] = this.percentage[1];
253
					this.dragged = 1;
254
				} else if (this.dragged === 1 && this.percentage[0] > percentage) {
255
					this.percentage[1] = this.percentage[0];
256
					this.dragged = 0;
257
				}
258
			}
259
			this.percentage[this.dragged] = percentage;
260
			this.layout();
261
			var val = this.calculateValue();
262
			this.element
263
				.trigger({
264
					type: 'slide',
265
					value: val
266
				})
267
				.data('value', val)
268
				.prop('value', val);
269
			return false;
270
		},
271
 
272
		mouseup: function(ev) {
273
			if (this.touchCapable) {
274
				// Touch: Bind touch events:
275
				$(document).off({
276
					touchmove: this.mousemove,
277
					touchend: this.mouseup
278
				});
279
			} else {
280
				$(document).off({
281
					mousemove: this.mousemove,
282
					mouseup: this.mouseup
283
				});
284
			}
285
 
286
			this.inDrag = false;
287
			if (this.over == false) {
288
				this.hideTooltip();
289
			}
290
			this.element;
291
			var val = this.calculateValue();
292
			this.element
293
				.trigger({
294
					type: 'slideStop',
295
					value: val
296
				})
297
				.data('value', val)
298
				.prop('value', val);
299
			return false;
300
		},
301
 
302
		calculateValue: function() {
303
			var val;
304
			if (this.range) {
305
				val = [
306
					(this.min + Math.round((this.diff * this.percentage[0]/100)/this.step)*this.step),
307
					(this.min + Math.round((this.diff * this.percentage[1]/100)/this.step)*this.step)
308
				];
309
				this.value = val;
310
			} else {
311
				val = (this.min + Math.round((this.diff * this.percentage[0]/100)/this.step)*this.step);
312
				this.value = [val, this.value[1]];
313
			}
314
			return val;
315
		},
316
 
317
		getPercentage: function(ev) {
318
			if (this.touchCapable) {
319
				ev = ev.touches[0];
320
			}
321
			var percentage = (ev[this.mousePos] - this.offset[this.stylePos])*100/this.size;
322
			percentage = Math.round(percentage/this.percentage[2])*this.percentage[2];
323
			return Math.max(0, Math.min(100, percentage));
324
		},
325
 
326
		getValue: function() {
327
			if (this.range) {
328
				return this.value;
329
			}
330
			return this.value[0];
331
		},
332
 
333
		setValue: function(val) {
334
			this.value = val;
335
 
336
			if (this.range) {
337
				this.value[0] = Math.max(this.min, Math.min(this.max, this.value[0]));
338
				this.value[1] = Math.max(this.min, Math.min(this.max, this.value[1]));
339
			} else {
340
				this.value = [ Math.max(this.min, Math.min(this.max, this.value))];
341
				this.handle2.addClass('hide');
342
				if (this.selection == 'after') {
343
					this.value[1] = this.max;
344
				} else {
345
					this.value[1] = this.min;
346
				}
347
			}
348
			this.diff = this.max - this.min;
349
			this.percentage = [
350
				(this.value[0]-this.min)*100/this.diff,
351
				(this.value[1]-this.min)*100/this.diff,
352
				this.step*100/this.diff
353
			];
354
			this.layout();
355
		}
356
	};
357
 
358
	$.fn.slider = function ( option, val ) {
359
		return this.each(function () {
360
			var $this = $(this),
361
				data = $this.data('slider'),
362
				options = typeof option === 'object' && option;
363
			if (!data)  {
364
				$this.data('slider', (data = new Slider(this, $.extend({}, $.fn.slider.defaults,options))));
365
			}
366
			if (typeof option == 'string') {
367
				data[option](val);
368
			}
369
		})
370
	};
371
 
372
	$.fn.slider.defaults = {
373
		min: 0,
374
		max: 10,
375
		step: 1,
376
		orientation: 'horizontal',
377
		value: 5,
378
		selection: 'before',
379
		tooltip: 'show',
380
		handle: 'round',
381
		formater: function(value) {
382
			return value;
383
		}
384
	};
385
 
386
	$.fn.slider.Constructor = Slider;
387
 
388
}( window.jQuery );