/* =========================================================
* bootstrap-slider.js v2.0.0
* http://www.eyecon.ro/bootstrap-slider
* =========================================================
* Copyright 2012 Stefan Petre
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================= */
!function( $ ) {
var Slider = function(element, options) {
this.dragLocked = false;
this.limit = 100000;
this.element = $(element).hide();
this.picker = $('<div class="slider">'+
'<div class="slider-track">'+
'<div class="slider-selection"></div>'+
'<div class="slider-handle"></div>'+
'<div class="slider-handle"></div>'+
'</div>'+
'<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'+
'</div>')
.insertBefore(this.element)
.append(this.element);
this.id = this.element.data('slider-id')||options.id;
if (this.id) {
this.picker[0].id = this.id;
}
if (typeof Modernizr !== 'undefined' && Modernizr.touch) {
this.touchCapable = true;
}
var tooltip = this.element.data('slider-tooltip')||options.tooltip;
this.tooltip = this.picker.find('.tooltip');
this.tooltipInner = this.tooltip.find('div.tooltip-inner');
this.orientation = this.element.data('slider-orientation')||options.orientation;
switch(this.orientation) {
case 'vertical':
this.picker.addClass('slider-vertical');
this.stylePos = 'top';
this.mousePos = 'pageY';
this.sizePos = 'offsetHeight';
this.tooltip.addClass('right')[0].style.left = '100%';
break;
default:
this.picker
.addClass('slider-horizontal')
.css('width', this.element.outerWidth());
this.orientation = 'horizontal';
this.stylePos = 'left';
this.mousePos = 'pageX';
this.sizePos = 'offsetWidth';
this.tooltip.addClass('top')[0].style.top = -this.tooltip.outerHeight() - 14 + 'px';
break;
}
this.min = this.element.data('slider-min')||options.min;
this.max = this.element.data('slider-max')||options.max;
this.step = this.element.data('slider-step')||options.step;
this.value = this.element.data('slider-value')||options.value;
if (this.value[1]) {
this.range = true;
}
this.selection = this.element.data('slider-selection')||options.selection;
this.selectionEl = this.picker.find('.slider-selection');
if (this.selection === 'none') {
this.selectionEl.addClass('hide');
}
this.selectionElStyle = this.selectionEl[0].style;
this.handle1 = this.picker.find('.slider-handle:first');
this.handle1Stype = this.handle1[0].style;
this.handle2 = this.picker.find('.slider-handle:last');
this.handle2Stype = this.handle2[0].style;
var handle = this.element.data('slider-handle')||options.handle;
switch(handle) {
case 'round':
this.handle1.addClass('round');
this.handle2.addClass('round');
break
case 'triangle':
this.handle1.addClass('triangle');
this.handle2.addClass('triangle');
break
}
if (this.range) {
this.value[0] = Math.max(this.min, Math.min(this.max, this.value[0]));
this.value[1] = Math.max(this.min, Math.min(this.max, this.value[1]));
} else {
this.value = [ Math.max(this.min, Math.min(this.max, this.value))];
this.handle2.addClass('hide');
if (this.selection == 'after') {
this.value[1] = this.max;
} else {
this.value[1] = this.min;
}
}
this.diff = this.max - this.min;
this.percentage = [
(this.value[0]-this.min)*100/this.diff,
(this.value[1]-this.min)*100/this.diff,
this.step*100/this.diff
];
this.offset = this.picker.offset();
this.size = this.picker[0][this.sizePos];
this.formater = options.formater;
this.reversed = this.element.data('slider-reversed')||options.reversed;
this.layout();
if (this.touchCapable) {
// Touch: Bind touch events:
this.picker.on({
touchstart: $.proxy(this.mousedown, this)
});
} else {
this.picker.on({
mousedown: $.proxy(this.mousedown, this)
});
}
if (tooltip === 'show') {
this.picker.on({
mouseenter: $.proxy(this.showTooltip, this),
mouseleave: $.proxy(this.hideTooltip, this)
});
} else {
this.tooltip.addClass('hide');
}
};
Slider.prototype = {
constructor: Slider,
over: false,
inDrag: false,
showTooltip: function(){
this.tooltip.addClass('in');
//var left = Math.round(this.percent*this.width);
//this.tooltip.css('left', left - this.tooltip.outerWidth()/2);
this.over = true;
},
hideTooltip: function(){
if (this.inDrag === false) {
this.tooltip.removeClass('in');
}
this.over = false;
},
layout: function(){
var positionPercentages;
if(this.reversed) {
positionPercentages = [ this.percentage[1] - this.percentage[0], this.percentage[1] ];
} else {
positionPercentages = [ this.percentage[0], this.percentage[1] ];
}
this.handle1Stype[this.stylePos] = positionPercentages[0]+'%';
this.handle2Stype[this.stylePos] = positionPercentages[1]+'%';
if (this.orientation == 'vertical') {
this.selectionElStyle.top = Math.min(positionPercentages[0], positionPercentages[1]) +'%';
this.selectionElStyle.height = Math.abs(positionPercentages[0] - positionPercentages[1]) +'%';
} else {
this.selectionElStyle.left = Math.min(positionPercentages[0], positionPercentages[1]) +'%';
this.selectionElStyle.width = Math.abs(positionPercentages[0] - positionPercentages[1]) +'%';
}
if (this.range) {
this.tooltipInner.text(
this.formater(this.value[0]) +
' : ' +
this.formater(this.value[1])
);
this.tooltip[0].style[this.stylePos] = this.size * (positionPercentages[0] + (positionPercentages[1] - positionPercentages[0])/2)/100 - (this.orientation === 'vertical' ? this.tooltip.outerHeight()/2 : this.tooltip.outerWidth()/2) +'px';
} else {
this.tooltipInner.text(
this.formater(this.value[0])
);
this.tooltip[0].style[this.stylePos] = this.size * positionPercentages[0]/100 - (this.orientation === 'vertical' ? this.tooltip.outerHeight()/2 : this.tooltip.outerWidth()/2) +'px';
}
},
mousedown: function(ev) {
if (!this.dragLocked){
// Touch: Get the original event:
if (this.touchCapable && ev.type === 'touchstart') {
ev = ev.originalEvent;
}
this.offset = this.picker.offset();
this.size = this.picker[0][this.sizePos];
var percentage = this.getPercentage(ev);
if (this.range) {
var diff1 = Math.abs(this.percentage[0] - percentage);
var diff2 = Math.abs(this.percentage[1] - percentage);
this.dragged = (diff1 < diff2) ? 0 : 1;
} else {
this.dragged = 0;
}
this.percentage[this.dragged] = this.reversed ? this.percentage[1] - percentage : percentage;
this.layout();
if (this.touchCapable) {
// Touch: Bind touch events:
$(document).on({
touchmove: $.proxy(this.mousemove, this),
touchend: $.proxy(this.mouseup, this)
});
} else {
$(document).on({
mousemove: $.proxy(this.mousemove, this),
mouseup: $.proxy(this.mouseup, this)
});
}
this.inDrag = true;
var val = this.calculateValue();
this.setValue(val);
this.element.trigger({
type: 'slideStart',
value: val
}).trigger({
type: 'slide',
value: val
});
return false;
}
},
mousemove: function(ev) {
// Touch: Get the original event:
if (!this.dragLocked){
if (this.touchCapable && ev.type === 'touchmove') {
ev = ev.originalEvent;
}
var percentage = this.getPercentage(ev);
if (this.range) {
if (this.dragged === 0 && this.percentage[1] < percentage) {
this.percentage[0] = this.percentage[1];
this.dragged = 1;
} else if (this.dragged === 1 && this.percentage[0] > percentage) {
this.percentage[1] = this.percentage[0];
this.dragged = 0;
}
}
x = this.reversed ? this.percentage[1] - percentage : percentage;
if (x > this.limit) {
return ;
}
this.percentage[this.dragged] = x;
this.layout();
var val = this.calculateValue();
this.setValue(val);
this.element
.trigger({
type: 'slide',
value: val
})
.data('value', val)
.prop('value', val);
return false;
}
},
mouseup: function(ev) {
if (this.touchCapable) {
// Touch: Bind touch events:
$(document).off({
touchmove: this.mousemove,
touchend: this.mouseup
});
} else {
$(document).off({
mousemove: this.mousemove,
mouseup: this.mouseup
});
}
this.inDrag = false;
if (this.over == false) {
this.hideTooltip();
}
this.element;
var val = this.calculateValue();
this.layout();
this.element
.trigger({
type: 'slideStop',
value: val
})
.data('value', val)
.prop('value', val);
return false;
},
calculateValue: function() {
var val;
if (this.range) {
val = [
(this.min + Math.round((this.diff * this.percentage[0]/100)/this.step)*this.step),
(this.min + Math.round((this.diff * this.percentage[1]/100)/this.step)*this.step)
];
this.value = val;
} else {
val = (this.min + Math.round((this.diff * this.percentage[0]/100)/this.step)*this.step);
this.value = [val, this.value[1]];
}
return val;
},
getPercentage: function(ev) {
if (this.touchCapable) {
ev = ev.touches[0];
}
var percentage = (ev[this.mousePos] - this.offset[this.stylePos])*100/this.size;
percentage = Math.round(percentage/this.percentage[2])*this.percentage[2];
return Math.max(0, Math.min(100, percentage));
},
getValue: function() {
if (this.range) {
return this.value;
}
return this.value[0];
},
setLimit: function(val) {
this.limit = val;
},
setDragLocked: function(val) {
this.dragLocked = val;
},
getDragLocked: function(val) {
return this.dragLocked;
},
setValue: function(val) {
this.value = val;
if (this.range) {
this.value[0] = Math.max(this.min, Math.min(this.max, this.value[0]));
this.value[1] = Math.max(this.min, Math.min(this.max, this.value[1]));
} else {
this.value = [ Math.max(this.min, Math.min(this.max, this.value))];
this.handle2.addClass('hide');
if (this.selection == 'after') {
this.value[1] = this.max;
} else {
this.value[1] = this.min;
}
}
this.diff = this.max - this.min;
this.percentage = [
(this.value[0]-this.min)*100/this.diff,
(this.value[1]-this.min)*100/this.diff,
this.step*100/this.diff
];
this.layout();
},
destroy: function(){
this.element.show().insertBefore(this.picker);
this.picker.remove();
},
};
$.fn.slider = function ( option, val ) {
return this.each(function () {
var $this = $(this),
data = $this.data('slider'),
options = typeof option === 'object' && option;
if (!data) {
$this.data('slider', (data = new Slider(this, $.extend({}, $.fn.slider.defaults,options))));
}
if (typeof option == 'string') {
data[option](val);
}
})
};
$.fn.slider.defaults = {
min: 0,
max: 10,
step: 1,
orientation: 'horizontal',
value: 5,
selection: 'before',
tooltip: 'show',
handle: 'round',
reversed : false,
limit: 100000,
dragLocked: false,
formater: function(value) {
return value;
}
};
$.fn.slider.Constructor = Slider;
}( window.jQuery );
|
Download
