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