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1179 lines
35 KiB
1179 lines
35 KiB
/*! =========================================================
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* bootstrap-slider.js
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*
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* Maintainers:
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* Kyle Kemp
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* - Twitter: @seiyria
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* - Github: seiyria
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* Rohit Kalkur
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* - Twitter: @Rovolutionary
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* - Github: rovolution
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*
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* =========================================================
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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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/**
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* Bridget makes jQuery widgets
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* v1.0.1
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* MIT license
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*/
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( function( window ) {
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'use strict';
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// -------------------------- utils -------------------------- //
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var slice = Array.prototype.slice;
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function noop() {}
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// -------------------------- definition -------------------------- //
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function defineBridget( $ ) {
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// bail if no jQuery
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if ( !$ ) {
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return;
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}
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// -------------------------- addOptionMethod -------------------------- //
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/**
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* adds option method -> $().plugin('option', {...})
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* @param {Function} PluginClass - constructor class
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*/
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function addOptionMethod( PluginClass ) {
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// don't overwrite original option method
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if ( PluginClass.prototype.option ) {
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return;
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}
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// option setter
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PluginClass.prototype.option = function( opts ) {
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// bail out if not an object
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if ( !$.isPlainObject( opts ) ){
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return;
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}
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this.options = $.extend( true, this.options, opts );
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};
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}
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// -------------------------- plugin bridge -------------------------- //
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// helper function for logging errors
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// $.error breaks jQuery chaining
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var logError = typeof console === 'undefined' ? noop :
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function( message ) {
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console.error( message );
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};
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/**
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* jQuery plugin bridge, access methods like $elem.plugin('method')
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* @param {String} namespace - plugin name
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* @param {Function} PluginClass - constructor class
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*/
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function bridge( namespace, PluginClass ) {
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// add to jQuery fn namespace
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$.fn[ namespace ] = function( options ) {
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if ( typeof options === 'string' ) {
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// call plugin method when first argument is a string
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// get arguments for method
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var args = slice.call( arguments, 1 );
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for ( var i=0, len = this.length; i < len; i++ ) {
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var elem = this[i];
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var instance = $.data( elem, namespace );
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if ( !instance ) {
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logError( "cannot call methods on " + namespace + " prior to initialization; " +
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"attempted to call '" + options + "'" );
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continue;
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}
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if ( !$.isFunction( instance[options] ) || options.charAt(0) === '_' ) {
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logError( "no such method '" + options + "' for " + namespace + " instance" );
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continue;
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}
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// trigger method with arguments
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var returnValue = instance[ options ].apply( instance, args);
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// break look and return first value if provided
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if ( returnValue !== undefined && returnValue !== instance) {
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return returnValue;
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}
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}
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// return this if no return value
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return this;
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} else {
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var objects = this.map( function() {
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var instance = $.data( this, namespace );
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if ( instance ) {
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// apply options & init
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instance.option( options );
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instance._init();
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} else {
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// initialize new instance
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instance = new PluginClass( this, options );
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$.data( this, namespace, instance );
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}
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return $(this);
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});
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if(!objects || objects.length > 1) {
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return objects;
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} else {
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return objects[0];
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}
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}
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};
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}
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// -------------------------- bridget -------------------------- //
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/**
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* converts a Prototypical class into a proper jQuery plugin
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* the class must have a ._init method
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* @param {String} namespace - plugin name, used in $().pluginName
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* @param {Function} PluginClass - constructor class
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*/
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$.bridget = function( namespace, PluginClass ) {
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addOptionMethod( PluginClass );
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bridge( namespace, PluginClass );
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};
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return $.bridget;
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}
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// transport
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if ( typeof define === 'function' && define.amd ) {
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// AMD
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define( [ 'jquery' ], defineBridget );
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} else {
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// get jquery from browser global
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defineBridget( window.jQuery );
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}
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})( window );
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/*************************************************
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BOOTSTRAP-SLIDER SOURCE CODE
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**************************************************/
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(function( $ ) {
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var ErrorMsgs = {
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formatInvalidInputErrorMsg : function(input) {
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return "Invalid input value '" + input + "' passed in";
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},
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callingContextNotSliderInstance : "Calling context element does not have instance of Slider bound to it. Check your code to make sure the JQuery object returned from the call to the slider() initializer is calling the method"
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};
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/*************************************************
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CONSTRUCTOR
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**************************************************/
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var Slider = function(element, options) {
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createNewSlider.call(this, element, options);
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return this;
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};
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function createNewSlider(element, options) {
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/*************************************************
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Create Markup
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**************************************************/
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if(typeof element === "string") {
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this.element = document.querySelector(element);
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} else if(element instanceof HTMLElement) {
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this.element = element;
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}
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var origWidth = this.element.style.width;
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var updateSlider = false;
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var parent = this.element.parentNode;
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var sliderTrackSelection;
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var sliderMinHandle;
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var sliderMaxHandle;
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if (this.sliderElem) {
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updateSlider = true;
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} else {
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/* Create elements needed for slider */
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this.sliderElem = document.createElement("div");
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this.sliderElem.className = "slider";
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/* Create slider track elements */
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var sliderTrack = document.createElement("div");
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sliderTrack.className = "slider-track";
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sliderTrackSelection = document.createElement("div");
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sliderTrackSelection.className = "slider-selection";
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sliderMinHandle = document.createElement("div");
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sliderMinHandle.className = "slider-handle min-slider-handle";
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sliderMaxHandle = document.createElement("div");
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sliderMaxHandle.className = "slider-handle max-slider-handle";
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sliderTrack.appendChild(sliderTrackSelection);
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sliderTrack.appendChild(sliderMinHandle);
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sliderTrack.appendChild(sliderMaxHandle);
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var createAndAppendTooltipSubElements = function(tooltipElem) {
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var arrow = document.createElement("div");
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arrow.className = "tooltip-arrow";
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var inner = document.createElement("div");
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inner.className = "tooltip-inner";
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tooltipElem.appendChild(arrow);
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tooltipElem.appendChild(inner);
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};
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/* Create tooltip elements */
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var sliderTooltip = document.createElement("div");
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sliderTooltip.className = "tooltip tooltip-main";
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createAndAppendTooltipSubElements(sliderTooltip);
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var sliderTooltipMin = document.createElement("div");
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sliderTooltipMin.className = "tooltip tooltip-min";
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createAndAppendTooltipSubElements(sliderTooltipMin);
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var sliderTooltipMax = document.createElement("div");
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sliderTooltipMax.className = "tooltip tooltip-max";
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createAndAppendTooltipSubElements(sliderTooltipMax);
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/* Append components to sliderElem */
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this.sliderElem.appendChild(sliderTrack);
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this.sliderElem.appendChild(sliderTooltip);
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this.sliderElem.appendChild(sliderTooltipMin);
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this.sliderElem.appendChild(sliderTooltipMax);
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/* Append slider element to parent container, right before the original <input> element */
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parent.insertBefore(this.sliderElem, this.element);
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/* Hide original <input> element */
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this.element.style.display = "none";
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}
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/* If JQuery exists, cache JQ references */
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if(window.$) {
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this.$element = $(this.element);
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this.$sliderElem = $(this.sliderElem);
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}
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/*************************************************
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Process Options
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**************************************************/
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options = options ? options : {};
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var optionTypes = Object.keys(this.defaultOptions);
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for(var i = 0; i < optionTypes.length; i++) {
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var optName = optionTypes[i];
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// First check the data atrributes
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var val = getDataAttrib(this.element, optName);
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// If no data attrib, then check if an option was passed in via the constructor
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val = (val !== null) ? val : options[optName];
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// Finally, if nothing was specified, use the defaults
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val = (typeof val !== 'undefined') ? val : this.defaultOptions[optName];
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// Set all options on the instance of the Slider
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if(!this.options) {
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this.options = {};
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}
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this.options[optName] = val;
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}
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function getDataAttrib(element, optName) {
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var dataName = "data-slider-" + optName;
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var dataValString = element.getAttribute(dataName);
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try {
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return JSON.parse(dataValString);
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}
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catch(err) {
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return dataValString;
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}
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}
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/*************************************************
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Setup
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**************************************************/
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this.eventToCallbackMap = {};
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this.sliderElem.id = this.options.id;
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this.touchCapable = 'ontouchstart' in window || window.DocumentTouch && document instanceof window.DocumentTouch;
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this.tooltip = this.sliderElem.querySelector('.tooltip-main');
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this.tooltipInner = this.tooltip.querySelector('.tooltip-inner');
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this.tooltip_min = this.sliderElem.querySelector('.tooltip-min');
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this.tooltipInner_min = this.tooltip_min.querySelector('.tooltip-inner');
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this.tooltip_max = this.sliderElem.querySelector('.tooltip-max');
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this.tooltipInner_max= this.tooltip_max.querySelector('.tooltip-inner');
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if (updateSlider === true) {
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// Reset classes
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this._removeClass(this.sliderElem, 'slider-horizontal');
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this._removeClass(this.sliderElem, 'slider-vertical');
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this._removeClass(this.tooltip, 'hide');
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this._removeClass(this.tooltip_min, 'hide');
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this._removeClass(this.tooltip_max, 'hide');
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// Undo existing inline styles for track
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["left", "top", "width", "height"].forEach(function(prop) {
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this._removeProperty(this.trackSelection, prop);
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}, this);
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// Undo inline styles on handles
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[this.handle1, this.handle2].forEach(function(handle) {
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this._removeProperty(handle, 'left');
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this._removeProperty(handle, 'top');
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}, this);
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// Undo inline styles and classes on tooltips
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[this.tooltip, this.tooltip_min, this.tooltip_max].forEach(function(tooltip) {
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this._removeProperty(tooltip, 'left');
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this._removeProperty(tooltip, 'top');
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this._removeProperty(tooltip, 'margin-left');
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this._removeProperty(tooltip, 'margin-top');
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this._removeClass(tooltip, 'right');
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this._removeClass(tooltip, 'top');
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}, this);
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}
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if(this.options.orientation === 'vertical') {
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this._addClass(this.sliderElem,'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._addClass(this.tooltip, 'right');
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this.tooltip.style.left = '100%';
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this._addClass(this.tooltip_min, 'right');
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this.tooltip_min.style.left = '100%';
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this._addClass(this.tooltip_max, 'right');
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this.tooltip_max.style.left = '100%';
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} else {
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this._addClass(this.sliderElem, 'slider-horizontal');
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this.sliderElem.style.width = origWidth;
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this.options.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._addClass(this.tooltip, 'top');
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this.tooltip.style.top = -this.tooltip.outerHeight - 14 + 'px';
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this._addClass(this.tooltip_min, 'top');
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this.tooltip_min.style.top = -this.tooltip_min.outerHeight - 14 + 'px';
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this._addClass(this.tooltip_max, 'top');
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this.tooltip_max.style.top = -this.tooltip_max.outerHeight - 14 + 'px';
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}
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if (this.options.value instanceof Array) {
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this.options.range = true;
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} else if (this.options.range) {
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// User wants a range, but value is not an array
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this.options.value = [this.options.value, this.options.max];
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}
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this.trackSelection = sliderTrackSelection || this.trackSelection;
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if (this.options.selection === 'none') {
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this._addClass(this.trackSelection, 'hide');
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}
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this.handle1 = sliderMinHandle || this.handle1;
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this.handle2 = sliderMaxHandle || this.handle2;
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if (updateSlider === true) {
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// Reset classes
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this._removeClass(this.handle1, 'round triangle');
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this._removeClass(this.handle2, 'round triangle hide');
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}
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var availableHandleModifiers = ['round', 'triangle', 'custom'];
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var isValidHandleType = availableHandleModifiers.indexOf(this.options.handle) !== -1;
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if (isValidHandleType) {
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this._addClass(this.handle1, this.options.handle);
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this._addClass(this.handle2, this.options.handle);
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}
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this.offset = this._offset(this.sliderElem);
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this.size = this.sliderElem[this.sizePos];
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this.setValue(this.options.value);
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/******************************************
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Bind Event Listeners
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******************************************/
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// Bind keyboard handlers
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this.handle1Keydown = this._keydown.bind(this, 0);
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this.handle1.addEventListener("keydown", this.handle1Keydown, false);
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this.handle2Keydown = this._keydown.bind(this, 0);
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this.handle2.addEventListener("keydown", this.handle2Keydown, false);
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if (this.touchCapable) {
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// Bind touch handlers
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this.mousedown = this._mousedown.bind(this);
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this.sliderElem.addEventListener("touchstart", this.mousedown, false);
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} else {
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// Bind mouse handlers
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this.mousedown = this._mousedown.bind(this);
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this.sliderElem.addEventListener("mousedown", this.mousedown, false);
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}
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// Bind tooltip-related handlers
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if(this.options.tooltip === 'hide') {
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this._addClass(this.tooltip, 'hide');
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this._addClass(this.tooltip_min, 'hide');
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this._addClass(this.tooltip_max, 'hide');
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} else if(this.options.tooltip === 'always') {
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this._showTooltip();
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this._alwaysShowTooltip = true;
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} else {
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this.showTooltip = this._showTooltip.bind(this);
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this.hideTooltip = this._hideTooltip.bind(this);
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this.sliderElem.addEventListener("mouseenter", this.showTooltip, false);
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this.sliderElem.addEventListener("mouseleave", this.hideTooltip, false);
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this.handle1.addEventListener("focus", this.showTooltip, false);
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this.handle1.addEventListener("blur", this.hideTooltip, false);
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this.handle2.addEventListener("focus", this.showTooltip, false);
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this.handle2.addEventListener("blur", this.hideTooltip, false);
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}
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if(this.options.enabled) {
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this.enable();
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} else {
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this.disable();
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}
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}
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|
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/*************************************************
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|
|
INSTANCE PROPERTIES/METHODS
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|
|
- Any methods bound to the prototype are considered
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part of the plugin's `public` interface
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|
|
|
**************************************************/
|
|
Slider.prototype = {
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_init: function() {}, // NOTE: Must exist to support bridget
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|
|
constructor: Slider,
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|
|
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defaultOptions: {
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id: "",
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min: 0,
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max: 10,
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step: 1,
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precision: 0,
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orientation: 'horizontal',
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value: 5,
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range: false,
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selection: 'before',
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tooltip: 'show',
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tooltip_split: false,
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handle: 'round',
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reversed: false,
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enabled: true,
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formatter: function(val) {
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if(val instanceof Array) {
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return val[0] + " : " + val[1];
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} else {
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return val;
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}
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},
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natural_arrow_keys: false
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},
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over: false,
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inDrag: false,
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getValue: function() {
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if (this.options.range) {
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return this.options.value;
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}
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return this.options.value[0];
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},
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setValue: function(val, triggerSlideEvent) {
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if (!val) {
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val = 0;
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}
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this.options.value = this._validateInputValue(val);
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var applyPrecision = this._applyPrecision.bind(this);
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if (this.options.range) {
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this.options.value[0] = applyPrecision(this.options.value[0]);
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this.options.value[1] = applyPrecision(this.options.value[1]);
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this.options.value[0] = Math.max(this.options.min, Math.min(this.options.max, this.options.value[0]));
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this.options.value[1] = Math.max(this.options.min, Math.min(this.options.max, this.options.value[1]));
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} else {
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this.options.value = applyPrecision(this.options.value);
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this.options.value = [ Math.max(this.options.min, Math.min(this.options.max, this.options.value))];
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this._addClass(this.handle2, 'hide');
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|
if (this.selection === 'after') {
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this.options.value[1] = this.options.max;
|
|
} else {
|
|
this.options.value[1] = this.options.min;
|
|
}
|
|
}
|
|
|
|
this.diff = this.options.max - this.options.min;
|
|
if (this.diff > 0) {
|
|
this.percentage = [
|
|
(this.options.value[0] - this.options.min) * 100 / this.diff,
|
|
(this.options.value[1] - this.options.min) * 100 / this.diff,
|
|
this.options.step * 100 / this.diff
|
|
];
|
|
} else {
|
|
this.percentage = [0, 0, 100];
|
|
}
|
|
|
|
this._layout();
|
|
|
|
if(triggerSlideEvent === true) {
|
|
var slideEventValue = this.options.range ? this.options.value : this.options.value[0];
|
|
this._trigger('slide', slideEventValue);
|
|
this._setDataVal(slideEventValue);
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
destroy: function(){
|
|
// Remove event handlers on slider elements
|
|
this._removeSliderEventHandlers();
|
|
|
|
// Remove the slider from the DOM
|
|
this.sliderElem.parentNode.removeChild(this.sliderElem);
|
|
/* Show original <input> element */
|
|
this.element.style.display = "";
|
|
|
|
// Clear out custom event bindings
|
|
this._cleanUpEventCallbacksMap();
|
|
|
|
// Remove JQuery handlers/data
|
|
if(window.$) {
|
|
this._unbindJQueryEventHandlers();
|
|
this.$element.removeData('slider');
|
|
}
|
|
},
|
|
|
|
disable: function() {
|
|
this.options.enabled = false;
|
|
this.handle1.removeAttribute("tabindex");
|
|
this.handle2.removeAttribute("tabindex");
|
|
this._addClass(this.sliderElem, 'slider-disabled');
|
|
this._trigger('slideDisabled');
|
|
|
|
return this;
|
|
},
|
|
|
|
enable: function() {
|
|
this.options.enabled = true;
|
|
this.handle1.setAttribute("tabindex", 0);
|
|
this.handle2.setAttribute("tabindex", 0);
|
|
this._removeClass(this.sliderElem, 'slider-disabled');
|
|
this._trigger('slideEnabled');
|
|
|
|
return this;
|
|
},
|
|
|
|
toggle: function() {
|
|
if(this.options.enabled) {
|
|
this.disable();
|
|
} else {
|
|
this.enable();
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
isEnabled: function() {
|
|
return this.options.enabled;
|
|
},
|
|
|
|
on: function(evt, callback) {
|
|
if(window.$) {
|
|
this.$element.on(evt, callback);
|
|
this.$sliderElem.on(evt, callback);
|
|
} else {
|
|
this._bindNonQueryEventHandler(evt, callback);
|
|
}
|
|
return this;
|
|
},
|
|
|
|
getAttribute: function(attribute) {
|
|
if(attribute) {
|
|
return this.options[attribute];
|
|
} else {
|
|
return this.options;
|
|
}
|
|
},
|
|
|
|
setAttribute: function(attribute, value) {
|
|
this.options[attribute] = value;
|
|
return this;
|
|
},
|
|
|
|
refresh: function() {
|
|
this._removeSliderEventHandlers();
|
|
createNewSlider.call(this, this.element, this.options);
|
|
if($) {
|
|
// Bind new instance of slider to the element
|
|
$.data(this.element, 'slider', this);
|
|
}
|
|
return this;
|
|
},
|
|
|
|
/******************************+
|
|
|
|
HELPERS
|
|
|
|
- Any method that is not part of the public interface.
|
|
- Place it underneath this comment block and write its signature like so:
|
|
|
|
_fnName : function() {...}
|
|
|
|
********************************/
|
|
_removeSliderEventHandlers: function() {
|
|
// Remove event listeners from handle1
|
|
this.handle1.removeEventListener("keydown", this.handle1Keydown, false);
|
|
this.handle1.removeEventListener("focus", this.showTooltip, false);
|
|
this.handle1.removeEventListener("blur", this.hideTooltip, false);
|
|
|
|
// Remove event listeners from handle2
|
|
this.handle2.removeEventListener("keydown", this.handle2Keydown, false);
|
|
this.handle2.removeEventListener("focus", this.handle2Keydown, false);
|
|
this.handle2.removeEventListener("blur", this.handle2Keydown, false);
|
|
|
|
// Remove event listeners from sliderElem
|
|
this.sliderElem.removeEventListener("mouseenter", this.showTooltip, false);
|
|
this.sliderElem.removeEventListener("mouseleave", this.hideTooltip, false);
|
|
this.sliderElem.removeEventListener("touchstart", this.mousedown, false);
|
|
this.sliderElem.removeEventListener("mousedown", this.mousedown, false);
|
|
},
|
|
_bindNonQueryEventHandler: function(evt, callback) {
|
|
var callbacksArray = this.eventToCallbackMap[evt];
|
|
if(callbacksArray) {
|
|
callbacksArray.push(callback);
|
|
} else {
|
|
this.eventToCallbackMap[evt] = [];
|
|
}
|
|
},
|
|
_cleanUpEventCallbacksMap: function() {
|
|
var eventNames = Object.keys(this.eventToCallbackMap);
|
|
for(var i = 0; i < eventNames.length; i++) {
|
|
var eventName = eventNames[i];
|
|
this.eventToCallbackMap[eventName] = null;
|
|
}
|
|
},
|
|
_showTooltip: function() {
|
|
if (this.options.tooltip_split === false ){
|
|
this._addClass(this.tooltip, 'in');
|
|
} else {
|
|
this._addClass(this.tooltip_min, 'in');
|
|
this._addClass(this.tooltip_max, 'in');
|
|
}
|
|
this.over = true;
|
|
},
|
|
_hideTooltip: function() {
|
|
if (this.inDrag === false && this.alwaysShowTooltip !== true) {
|
|
this._removeClass(this.tooltip, 'in');
|
|
this._removeClass(this.tooltip_min, 'in');
|
|
this._removeClass(this.tooltip_max, 'in');
|
|
}
|
|
this.over = false;
|
|
},
|
|
_layout: function() {
|
|
var positionPercentages;
|
|
|
|
if(this.options.reversed) {
|
|
positionPercentages = [ 100 - this.percentage[0], this.percentage[1] ];
|
|
} else {
|
|
positionPercentages = [ this.percentage[0], this.percentage[1] ];
|
|
}
|
|
|
|
this.handle1.style[this.stylePos] = positionPercentages[0]+'%';
|
|
this.handle2.style[this.stylePos] = positionPercentages[1]+'%';
|
|
|
|
|
|
if (this.options.orientation === 'vertical') {
|
|
this.trackSelection.style.top = Math.min(positionPercentages[0], positionPercentages[1]) +'%';
|
|
this.trackSelection.style.height = Math.abs(positionPercentages[0] - positionPercentages[1]) +'%';
|
|
} else {
|
|
this.trackSelection.style.left = Math.min(positionPercentages[0], positionPercentages[1]) +'%';
|
|
this.trackSelection.style.width = Math.abs(positionPercentages[0] - positionPercentages[1]) +'%';
|
|
|
|
var offset_min = this.tooltip_min.getBoundingClientRect();
|
|
var offset_max = this.tooltip_max.getBoundingClientRect();
|
|
|
|
if (offset_min.right > offset_max.left) {
|
|
this._removeClass(this.tooltip_max, 'top');
|
|
this._addClass(this.tooltip_max, 'bottom');
|
|
this.tooltip_max.style.top = 18 + 'px';
|
|
} else {
|
|
this._removeClass(this.tooltip_max, 'bottom');
|
|
this._addClass(this.tooltip_max, 'top');
|
|
this.tooltip_max.style.top = -30 + 'px';
|
|
}
|
|
}
|
|
|
|
|
|
var formattedTooltipVal;
|
|
|
|
if (this.options.range) {
|
|
formattedTooltipVal = this.options.formatter(this.options.value);
|
|
this._setText(this.tooltipInner, formattedTooltipVal);
|
|
this.tooltip.style[this.stylePos] = (positionPercentages[1] + positionPercentages[0])/2 + '%';
|
|
|
|
if (this.options.orientation === 'vertical') {
|
|
this._css(this.tooltip, 'margin-top', -this.tooltip.offsetHeight / 2 + 'px');
|
|
} else {
|
|
this._css(this.tooltip, 'margin-left', -this.tooltip.offsetWidth / 2 + 'px');
|
|
}
|
|
|
|
if (this.options.orientation === 'vertical') {
|
|
this._css(this.tooltip, 'margin-top', -this.tooltip.offsetHeight / 2 + 'px');
|
|
} else {
|
|
this._css(this.tooltip, 'margin-left', -this.tooltip.offsetWidth / 2 + 'px');
|
|
}
|
|
|
|
var innerTooltipMinText = this.options.formatter(this.options.value[0]);
|
|
this._setText(this.tooltipInner_min, innerTooltipMinText);
|
|
|
|
var innerTooltipMaxText = this.options.formatter(this.options.value[1]);
|
|
this._setText(this.tooltipInner_max, innerTooltipMaxText);
|
|
|
|
this.tooltip_min.style[this.stylePos] = positionPercentages[0] + '%';
|
|
|
|
if (this.options.orientation === 'vertical') {
|
|
this._css(this.tooltip_min, 'margin-top', -this.tooltip_min.offsetHeight / 2 + 'px');
|
|
} else {
|
|
this._css(this.tooltip_min, 'margin-left', -this.tooltip_min.offsetWidth / 2 + 'px');
|
|
}
|
|
|
|
this.tooltip_max.style[this.stylePos] = positionPercentages[1] + '%';
|
|
|
|
if (this.options.orientation === 'vertical') {
|
|
this._css(this.tooltip_max, 'margin-top', -this.tooltip_max.offsetHeight / 2 + 'px');
|
|
} else {
|
|
this._css(this.tooltip_max, 'margin-left', -this.tooltip_max.offsetWidth / 2 + 'px');
|
|
}
|
|
} else {
|
|
formattedTooltipVal = this.options.formatter(this.options.value[0]);
|
|
this._setText(this.tooltipInner, formattedTooltipVal);
|
|
|
|
this.tooltip.style[this.stylePos] = positionPercentages[0] + '%';
|
|
if (this.options.orientation === 'vertical') {
|
|
this._css(this.tooltip, 'margin-top', -this.tooltip.offsetHeight / 2 + 'px');
|
|
} else {
|
|
this._css(this.tooltip, 'margin-left', -this.tooltip.offsetWidth / 2 + 'px');
|
|
}
|
|
}
|
|
},
|
|
_removeProperty: function(element, prop) {
|
|
if (element.style.removeProperty) {
|
|
element.style.removeProperty(prop);
|
|
} else {
|
|
element.style.removeAttribute(prop);
|
|
}
|
|
},
|
|
_mousedown: function(ev) {
|
|
if(!this.options.enabled) {
|
|
return false;
|
|
}
|
|
|
|
// Touch: Get the original event:
|
|
if (this.touchCapable && ev.type === 'touchstart') {
|
|
ev = ev.originalEvent;
|
|
}
|
|
|
|
this._triggerFocusOnHandle();
|
|
|
|
this.offset = this._offset(this.sliderElem);
|
|
this.size = this.sliderElem[this.sizePos];
|
|
|
|
var percentage = this._getPercentage(ev);
|
|
|
|
if (this.options.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.options.reversed ? 100 - percentage : percentage;
|
|
this._layout();
|
|
|
|
this.mousemove = this._mousemove.bind(this);
|
|
this.mouseup = this._mouseup.bind(this);
|
|
|
|
if (this.touchCapable) {
|
|
// Touch: Bind touch events:
|
|
document.addEventListener("touchmove", this.mousemove, false);
|
|
document.addEventListener("touchend", this.mouseup, false);
|
|
} else {
|
|
// Bind mouse events:
|
|
document.addEventListener("mousemove", this.mousemove, false);
|
|
document.addEventListener("mouseup", this.mouseup, false);
|
|
}
|
|
|
|
this.inDrag = true;
|
|
|
|
var val = this._calculateValue();
|
|
this._trigger('slideStart', val);
|
|
this._setDataVal(val);
|
|
this.setValue(val);
|
|
|
|
this._pauseEvent(ev);
|
|
|
|
return true;
|
|
},
|
|
_triggerFocusOnHandle: function(handleIdx) {
|
|
if(handleIdx === 0) {
|
|
this.handle1.focus();
|
|
}
|
|
if(handleIdx === 1) {
|
|
this.handle2.focus();
|
|
}
|
|
},
|
|
_keydown: function(handleIdx, ev) {
|
|
if(!this.options.enabled) {
|
|
return false;
|
|
}
|
|
|
|
var dir;
|
|
switch (ev.keyCode) {
|
|
case 37: // left
|
|
case 40: // down
|
|
dir = -1;
|
|
break;
|
|
case 39: // right
|
|
case 38: // up
|
|
dir = 1;
|
|
break;
|
|
}
|
|
if (!dir) {
|
|
return;
|
|
}
|
|
|
|
// use natural arrow keys instead of from min to max
|
|
if (this.options.natural_arrow_keys) {
|
|
var ifVerticalAndNotReversed = (this.options.orientation === 'vertical' && !this.options.reversed);
|
|
var ifHorizontalAndReversed = (this.options.orientation === 'horizontal' && this.options.reversed);
|
|
|
|
if (ifVerticalAndNotReversed || ifHorizontalAndReversed) {
|
|
dir = dir * -1;
|
|
}
|
|
}
|
|
|
|
var oneStepValuePercentageChange = dir * this.percentage[2];
|
|
var percentage = this.percentage[handleIdx] + oneStepValuePercentageChange;
|
|
|
|
if (percentage > 100) {
|
|
percentage = 100;
|
|
} else if (percentage < 0) {
|
|
percentage = 0;
|
|
}
|
|
|
|
this.dragged = handleIdx;
|
|
this._adjustPercentageForRangeSliders(percentage);
|
|
this.percentage[this.dragged] = percentage;
|
|
this._layout();
|
|
|
|
var val = this._calculateValue();
|
|
|
|
this._trigger('slideStart', val);
|
|
this._setDataVal(val);
|
|
this.setValue(val, true);
|
|
|
|
this._trigger('slideStop', val);
|
|
this._setDataVal(val);
|
|
|
|
this._pauseEvent(ev);
|
|
|
|
return false;
|
|
},
|
|
_pauseEvent: function(ev) {
|
|
if(ev.stopPropagation) {
|
|
ev.stopPropagation();
|
|
}
|
|
if(ev.preventDefault) {
|
|
ev.preventDefault();
|
|
}
|
|
ev.cancelBubble=true;
|
|
ev.returnValue=false;
|
|
},
|
|
_mousemove: function(ev) {
|
|
if(!this.options.enabled) {
|
|
return false;
|
|
}
|
|
|
|
// Touch: Get the original event:
|
|
if (this.touchCapable && ev.type === 'touchmove') {
|
|
ev = ev.originalEvent;
|
|
}
|
|
|
|
var percentage = this._getPercentage(ev);
|
|
this._adjustPercentageForRangeSliders(percentage);
|
|
this.percentage[this.dragged] = this.options.reversed ? 100 - percentage : percentage;
|
|
this._layout();
|
|
|
|
var val = this._calculateValue();
|
|
this.setValue(val, true);
|
|
|
|
return false;
|
|
},
|
|
_adjustPercentageForRangeSliders: function(percentage) {
|
|
if (this.options.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;
|
|
}
|
|
}
|
|
},
|
|
_mouseup: function() {
|
|
if(!this.options.enabled) {
|
|
return false;
|
|
}
|
|
if (this.touchCapable) {
|
|
// Touch: Unbind touch event handlers:
|
|
document.removeEventListener("touchmove", this.mousemove, false);
|
|
document.removeEventListener("touchend", this.mouseup, false);
|
|
} else {
|
|
// Unbind mouse event handlers:
|
|
document.removeEventListener("mousemove", this.mousemove, false);
|
|
document.removeEventListener("mouseup", this.mouseup, false);
|
|
}
|
|
|
|
this.inDrag = false;
|
|
if (this.over === false) {
|
|
this._hideTooltip();
|
|
}
|
|
var val = this._calculateValue();
|
|
|
|
this._layout();
|
|
this._setDataVal(val);
|
|
this._trigger('slideStop', val);
|
|
|
|
return false;
|
|
},
|
|
_calculateValue: function() {
|
|
var val;
|
|
if (this.options.range) {
|
|
val = [this.options.min,this.options.max];
|
|
if (this.percentage[0] !== 0){
|
|
val[0] = (Math.max(this.options.min, this.options.min + Math.round((this.diff * this.percentage[0]/100)/this.options.step)*this.options.step));
|
|
val[0] = this._applyPrecision(val[0]);
|
|
}
|
|
if (this.percentage[1] !== 100){
|
|
val[1] = (Math.min(this.options.max, this.options.min + Math.round((this.diff * this.percentage[1]/100)/this.options.step)*this.options.step));
|
|
val[1] = this._applyPrecision(val[1]);
|
|
}
|
|
this.options.value = val;
|
|
} else {
|
|
val = (this.options.min + Math.round((this.diff * this.percentage[0]/100)/this.options.step)*this.options.step);
|
|
if (val < this.options.min) {
|
|
val = this.options.min;
|
|
}
|
|
else if (val > this.options.max) {
|
|
val = this.options.max;
|
|
}
|
|
val = parseFloat(val);
|
|
val = this._applyPrecision(val);
|
|
this.options.value = [val, this.options.value[1]];
|
|
}
|
|
return val;
|
|
},
|
|
_applyPrecision: function(val) {
|
|
var precision = this.options.precision || this._getNumDigitsAfterDecimalPlace(this.step);
|
|
return this._applyToFixedAndParseFloat(val, precision);
|
|
},
|
|
_getNumDigitsAfterDecimalPlace: function(num) {
|
|
var match = (''+num).match(/(?:\.(\d+))?(?:[eE]([+-]?\d+))?$/);
|
|
if (!match) { return 0; }
|
|
return Math.max(0, (match[1] ? match[1].length : 0) - (match[2] ? +match[2] : 0));
|
|
},
|
|
_applyToFixedAndParseFloat: function(num, toFixedInput) {
|
|
var truncatedNum = num.toFixed(toFixedInput);
|
|
return parseFloat(truncatedNum);
|
|
},
|
|
/*
|
|
Credits to Mike Samuel for the following method!
|
|
Source: http://stackoverflow.com/questions/10454518/javascript-how-to-retrieve-the-number-of-decimals-of-a-string-number
|
|
*/
|
|
_getPercentage: function(ev) {
|
|
if (this.touchCapable && (ev.type === 'touchstart' || ev.type === 'touchmove')) {
|
|
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));
|
|
},
|
|
_validateInputValue: function(val) {
|
|
if(typeof val === 'number') {
|
|
return val;
|
|
} else if(val instanceof Array) {
|
|
this._validateArray(val);
|
|
return val;
|
|
} else {
|
|
throw new Error( ErrorMsgs.formatInvalidInputErrorMsg(val) );
|
|
}
|
|
},
|
|
_validateArray: function(val) {
|
|
for(var i = 0; i < val.length; i++) {
|
|
var input = val[i];
|
|
if (typeof input !== 'number') { throw new Error( ErrorMsgs.formatInvalidInputErrorMsg(input) ); }
|
|
}
|
|
},
|
|
_setDataVal: function(val) {
|
|
var value = "value: '" + val + "'";
|
|
this.element.setAttribute('data', value);
|
|
},
|
|
_trigger: function(evt, val) {
|
|
val = val || undefined;
|
|
|
|
var callbackFnArray = this.eventToCallbackMap[evt];
|
|
if(callbackFnArray && callbackFnArray.length) {
|
|
for(var i = 0; i < callbackFnArray.length; i++) {
|
|
var callbackFn = callbackFnArray[i];
|
|
callbackFn(val);
|
|
}
|
|
}
|
|
|
|
/* If JQuery exists, trigger JQuery events */
|
|
if(window.$) {
|
|
this._triggerJQueryEvent(evt, val);
|
|
}
|
|
},
|
|
_triggerJQueryEvent: function(evt, val) {
|
|
var eventData = {
|
|
type: evt,
|
|
value: val
|
|
};
|
|
this.$element.trigger(eventData);
|
|
this.$sliderElem.trigger(eventData);
|
|
},
|
|
_unbindJQueryEventHandlers: function() {
|
|
this.$element.off();
|
|
this.$sliderElem.off();
|
|
},
|
|
_setText: function(element, text) {
|
|
if(typeof element.innerText !== "undefined") {
|
|
element.innerText = text;
|
|
} else if(typeof element.textContent !== "undefined") {
|
|
element.textContent = text;
|
|
}
|
|
},
|
|
_removeClass: function(element, classString) {
|
|
var classes = classString.split(" ");
|
|
var newClasses = element.className;
|
|
|
|
for(var i = 0; i < classes.length; i++) {
|
|
var classTag = classes[i];
|
|
var regex = new RegExp("(?:\\s|^)" + classTag + "(?:\\s|$)");
|
|
newClasses = newClasses.replace(regex, " ");
|
|
}
|
|
|
|
element.className = newClasses.trim();
|
|
},
|
|
_addClass: function(element, classString) {
|
|
var classes = classString.split(" ");
|
|
var newClasses = element.className;
|
|
|
|
for(var i = 0; i < classes.length; i++) {
|
|
var classTag = classes[i];
|
|
var regex = new RegExp("(?:\\s|^)" + classTag + "(?:\\s|$)");
|
|
var ifClassExists = regex.test(newClasses);
|
|
|
|
if(!ifClassExists) {
|
|
newClasses += " " + classTag;
|
|
}
|
|
}
|
|
|
|
element.className = newClasses.trim();
|
|
},
|
|
_offset: function (obj) {
|
|
var ol = 0;
|
|
var ot = 0;
|
|
if (obj.offsetParent) {
|
|
do {
|
|
ol += obj.offsetLeft;
|
|
ot += obj.offsetTop;
|
|
} while (obj = obj.offsetParent);
|
|
}
|
|
return {
|
|
left: ol,
|
|
top: ot
|
|
};
|
|
},
|
|
_css: function(elementRef, styleName, value) {
|
|
elementRef.style[styleName] = value;
|
|
}
|
|
};
|
|
|
|
/*********************************
|
|
|
|
Attach to global namespace
|
|
|
|
*********************************/
|
|
if($) {
|
|
var namespace = $.fn.slider ? 'bootstrapSlider' : 'slider';
|
|
$.bridget(namespace, Slider);
|
|
}
|
|
window.Slider = Slider;
|
|
|
|
|
|
})( window.jQuery );
|