621 lines
17 KiB
JavaScript
621 lines
17 KiB
JavaScript
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(function($){
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"use strict";
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var isNumber = function(string){
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return (typeof string == 'number' || (string && string == string * 1));
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};
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var retDefault = function(val, def){
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if(!(typeof val == 'number' || (val && val == val * 1))){
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return def;
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}
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return val * 1;
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};
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var createOpts = ['step', 'min', 'max', 'readonly', 'title', 'disabled', 'tabindex'];
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var normalizeTouch = (function(){
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var types = {
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touchstart: 1,
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touchend: 1,
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touchmove: 1
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};
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var normalize = ['pageX', 'pageY'];
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return function(e){
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if(types[e.type] && e.originalEvent && e.originalEvent.touches && e.originalEvent.touches.length){
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for(var i = 0; i < normalize.length; i++){
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e[normalize[i]] = e.originalEvent.touches[0][normalize[i]];
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}
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}
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return e;
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};
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})();
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var rangeProto = {
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_create: function(){
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var i;
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this.element.addClass(this.options.baseClass || 'ws-range ws-input').attr({role: 'slider'}).append('<span class="ws-range-rail ws-range-track"><span class="ws-range-min ws-range-progress" /><span class="ws-range-thumb"><span><span data-value="" data-valuetext="" /></span></span></span>');
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this.trail = $('.ws-range-track', this.element);
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this.range = $('.ws-range-progress', this.element);
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this.thumb = $('.ws-range-thumb', this.trail);
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this.thumbValue = $('span[data-value]', this.thumb);
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this.updateMetrics();
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this.orig = this.options.orig;
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for(i = 0; i < createOpts.length; i++){
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this[createOpts[i]](this.options[createOpts[i]]);
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}
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this.value = this._value;
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this.value(this.options.value);
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this.initDataList();
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this.element.data('rangeUi', this);
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this.addBindings();
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this._init = true;
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},
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value: $.noop,
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_value: function(val, _noNormalize, animate){
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var left, posDif;
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var o = this.options;
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var oVal = val;
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var thumbStyle = {};
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var rangeStyle = {};
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if(!_noNormalize && parseFloat(val, 10) != val){
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val = o.min + ((o.max - o.min) / 2);
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}
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if(!_noNormalize){
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val = this.normalizeVal(val);
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}
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left = 100 * ((val - o.min) / (o.max - o.min));
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if(this._init && val == o.value && oVal == val){return;}
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o.value = val;
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if($.fn.stop){
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this.thumb.stop();
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this.range.stop();
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}
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rangeStyle[this.dirs.width] = left+'%';
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if(this.vertical){
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left = Math.abs(left - 100);
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}
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thumbStyle[this.dirs.left] = left+'%';
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if(!animate || !$.fn.animate){
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this.thumb[0].style[this.dirs.left] = thumbStyle[this.dirs.left];
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this.range[0].style[this.dirs.width] = rangeStyle[this.dirs.width];
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} else {
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if(typeof animate != 'object'){
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animate = {};
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} else {
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animate = $.extend({}, animate);
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}
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if(!animate.duration){
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posDif = Math.abs(left - parseInt(this.thumb[0].style[this.dirs.left] || 50, 10));
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animate.duration = Math.max(Math.min(999, posDif * 5), 99);
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}
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this.thumb.animate(thumbStyle, animate);
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this.range.animate(rangeStyle, animate);
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}
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if(this.orig && (oVal != val || (!this._init && this.orig.value != val)) ){
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this.options._change(val);
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}
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this._setValueMarkup();
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},
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_setValueMarkup: function(){
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var o = this.options;
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var textValue = o.textValue ? o.textValue(this.options.value) : o.options[o.value] || o.value;
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this.element[0].setAttribute('aria-valuenow', this.options.value);
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this.element[0].setAttribute('aria-valuetext', textValue);
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this.thumbValue[0].setAttribute('data-value', this.options.value);
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this.thumbValue[0].setAttribute('data-valuetext', textValue);
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if(o.selectedOption){
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$(o.selectedOption).removeClass('ws-selected-option');
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o.selectedOption = null;
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}
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if(o.value in o.options){
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o.selectedOption = $('[data-value="'+o.value+'"].ws-range-ticks', this.trail).addClass('ws-selected-option');
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}
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},
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initDataList: function(){
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if(this.orig){
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var listTimer;
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var that = this;
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var updateList = function(){
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$(that.orig)
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.jProp('list')
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.off('updateDatalist', updateList)
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.on('updateDatalist', updateList)
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;
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clearTimeout(listTimer);
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listTimer = setTimeout(function(){
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if(that.list){
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that.list();
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}
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}, 9);
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};
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$(this.orig).on('listdatalistchange', updateList);
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this.list();
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}
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},
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list: function(opts){
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var o = this.options;
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var min = o.min;
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var max = o.max;
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var trail = this.trail;
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var that = this;
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this.element.attr({'aria-valuetext': o.options[o.value] || o.value});
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$('.ws-range-ticks', trail).remove();
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$(this.orig).jProp('list').find('option:not([disabled])').each(function(){
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o.options[$.prop(this, 'value')] = $.prop(this, 'label') || '';
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});
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$.each(o.options, function(val, label){
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if(!isNumber(val) || val < min || val > max){return;}
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var left = 100 * ((val - min) / (max - min));
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var attr = 'data-value="'+val+'"';
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if(label){
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attr += ' data-label="'+label+'"';
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if(o.showLabels){
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attr += ' title="'+label+'"';
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}
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}
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if(that.vertical){
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left = Math.abs(left - 100);
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}
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that.posCenter(
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$('<span class="ws-range-ticks"'+ attr +' style="'+(that.dirs.left)+': '+left+'%;" />').appendTo(trail)
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);
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});
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if(o.value in o.options){
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this._setValueMarkup();
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}
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},
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readonly: function(val){
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val = !!val;
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this.options.readonly = val;
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this.element.attr('aria-readonly', ''+val);
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if(this._init){
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this.updateMetrics();
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}
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},
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disabled: function(val){
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val = !!val;
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this.options.disabled = val;
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if(val){
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this.element.attr({tabindex: -1, 'aria-disabled': 'true'});
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} else {
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this.element.attr({tabindex: this.options.tabindex, 'aria-disabled': 'false'});
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}
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if(this._init){
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this.updateMetrics();
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}
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},
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tabindex: function(val){
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this.options.tabindex = val;
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if(!this.options.disabled){
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this.element.attr({tabindex: val});
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}
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},
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title: function(val){
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this.element.prop('title', val);
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},
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min: function(val){
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this.options.min = retDefault(val, 0);
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this.element.attr('aria-valuemin', this.options.min);
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this.value(this.options.value, true);
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},
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max: function(val){
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this.options.max = retDefault(val, 100);
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this.element.attr('aria-valuemax', this.options.max);
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this.value(this.options.value, true);
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},
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step: function(val){
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var o = this.options;
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var step = val == 'any' ? 'any' : retDefault(val, 1);
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if(o.stepping){
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webshims.error('stepping was removed. Use stepfactor instead.');
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}
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if(o.stepfactor && step != 'any'){
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step *= o.stepfactor;
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}
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o.step = step;
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this.value(this.options.value);
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},
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normalizeVal: function(val){
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var valModStep, alignValue, step;
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var o = this.options;
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if(val <= o.min){
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val = o.min;
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} else if(val >= o.max) {
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val = o.max;
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} else if(o.step != 'any'){
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step = o.step;
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valModStep = (val - o.min) % step;
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alignValue = val - valModStep;
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if ( Math.abs(valModStep) * 2 >= step ) {
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alignValue += ( valModStep > 0 ) ? step : ( -step );
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}
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val = alignValue.toFixed(5) * 1;
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}
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return val;
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},
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doStep: function(factor, animate){
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var step = retDefault(this.options.step, 1);
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if(this.options.step == 'any'){
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step = Math.min(step, (this.options.max - this.options.min) / 10);
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}
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this.value( this.options.value + (step * factor), false, animate );
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},
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getStepedValueFromPos: function(pos){
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var val, valModStep, alignValue, step;
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if(pos <= 0){
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val = this.options[this.dirs[this.isRtl ? 'max' : 'min']];
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} else if(pos > 100) {
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val = this.options[this.dirs[this.isRtl ? 'min' : 'max']];
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} else {
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if(this.vertical || this.isRtl){
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pos = Math.abs(pos - 100);
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}
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val = ((this.options.max - this.options.min) * (pos / 100)) + this.options.min;
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step = this.options.step;
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if(step != 'any'){
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valModStep = (val - this.options.min) % step;
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alignValue = val - valModStep;
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if ( Math.abs(valModStep) * 2 >= step ) {
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alignValue += ( valModStep > 0 ) ? step : ( -step );
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}
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val = ((alignValue).toFixed(5)) * 1;
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}
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}
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return val;
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},
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addRemoveClass: function(cName, add){
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var isIn = this.element.prop('className').indexOf(cName) != -1;
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var action;
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if(!add && isIn){
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action = 'removeClass';
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this.element.removeClass(cName);
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this.updateMetrics();
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} else if(add && !isIn){
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action = 'addClass';
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}
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if(action){
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this.element[action](cName);
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if(this._init){
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this.updateMetrics();
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}
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}
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},
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addBindings: function(){
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var leftOffset, widgetUnits, hasFocus, isActive;
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var that = this;
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var o = this.options;
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var eventTimer = (function(){
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var events = {};
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return {
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init: function(name, curVal, fn){
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if(!events[name]){
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events[name] = {fn: fn};
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if(that.orig){
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$(that.orig).on(name, function(){
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events[name].val = $.prop(that.orig, 'value');
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});
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}
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}
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events[name].val = curVal;
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},
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call: function(name, val){
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if(events[name].val != val){
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clearTimeout(events[name].timer);
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events[name].val = val;
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events[name].timer = setTimeout(function(){
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events[name].fn(val, that);
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}, 0);
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}
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}
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};
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})();
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var updateValue = function(val, animate){
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if(val != o.value){
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that.value(val, false, animate);
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eventTimer.call('input', val);
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}
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};
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var setValueFromPos = function(e, animate){
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if(e.type == 'touchmove'){
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e.preventDefault();
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normalizeTouch(e);
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}
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updateValue(that.getStepedValueFromPos((e[that.dirs.mouse] - leftOffset) * widgetUnits), animate);
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if(e && e.type == 'mousemove'){
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e.preventDefault();
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}
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};
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var remove = function(e){
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||
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if(e && (e.type == 'mouseup' || e.type == 'touchend')){
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eventTimer.call('input', o.value);
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eventTimer.call('change', o.value);
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}
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that.addRemoveClass('ws-active');
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$(document).off('mousemove touchmove', setValueFromPos).off('mouseup touchend', remove);
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||
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$(window).off('blur', removeWin);
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isActive = false;
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||
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};
|
||
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var removeWin = function(e){
|
||
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if(e.target == window){remove();}
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||
|
|
};
|
||
|
|
var add = function(e){
|
||
|
|
if(isActive || (e.type == 'touchstart' && (!e.originalEvent || !e.originalEvent.touches || e.originalEvent.touches.length != 1))){
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
e.preventDefault();
|
||
|
|
|
||
|
|
$(document).off('mousemove touchmove', setValueFromPos).off('mouseup touchend', remove);
|
||
|
|
$(window).off('blur', removeWin);
|
||
|
|
if(!o.readonly && !o.disabled){
|
||
|
|
eventTimer.init('input', o.value);
|
||
|
|
eventTimer.init('change', o.value);
|
||
|
|
normalizeTouch(e);
|
||
|
|
that.element.trigger('focus');
|
||
|
|
that.addRemoveClass('ws-active', true);
|
||
|
|
leftOffset = that.element.offset();
|
||
|
|
widgetUnits = that.element[that.dirs.innerWidth]();
|
||
|
|
if(!widgetUnits || !leftOffset){return;}
|
||
|
|
leftOffset = leftOffset[that.dirs.pos];
|
||
|
|
widgetUnits = 100 / widgetUnits;
|
||
|
|
|
||
|
|
if(e.target.className == 'ws-range-ticks'){
|
||
|
|
updateValue(e.target.getAttribute('data-value'), o.animate);
|
||
|
|
} else {
|
||
|
|
setValueFromPos(e, o.animate);
|
||
|
|
}
|
||
|
|
isActive = true;
|
||
|
|
$(document)
|
||
|
|
.on(e.type == 'touchstart' ?
|
||
|
|
{
|
||
|
|
touchend: remove,
|
||
|
|
touchmove: setValueFromPos
|
||
|
|
} :
|
||
|
|
{
|
||
|
|
mouseup: remove,
|
||
|
|
mousemove: setValueFromPos
|
||
|
|
}
|
||
|
|
)
|
||
|
|
;
|
||
|
|
$(window).on('blur', removeWin);
|
||
|
|
e.stopPropagation();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
var elementEvts = {
|
||
|
|
'touchstart mousedown': add,
|
||
|
|
focus: function(e){
|
||
|
|
if(!o.disabled && !hasFocus){
|
||
|
|
if(!isActive){
|
||
|
|
eventTimer.init('input', o.value);
|
||
|
|
eventTimer.init('change', o.value);
|
||
|
|
}
|
||
|
|
that.addRemoveClass('ws-focus', true);
|
||
|
|
that.updateMetrics();
|
||
|
|
}
|
||
|
|
hasFocus = true;
|
||
|
|
},
|
||
|
|
blur: function(e){
|
||
|
|
that.element.removeClass('ws-focus ws-active');
|
||
|
|
that.updateMetrics();
|
||
|
|
hasFocus = false;
|
||
|
|
eventTimer.init('input', o.value);
|
||
|
|
eventTimer.call('change', o.value);
|
||
|
|
},
|
||
|
|
keyup: function(){
|
||
|
|
that.addRemoveClass('ws-active');
|
||
|
|
eventTimer.call('input', o.value);
|
||
|
|
eventTimer.call('change', o.value);
|
||
|
|
},
|
||
|
|
|
||
|
|
keydown: function(e){
|
||
|
|
var step = true;
|
||
|
|
var code = e.keyCode;
|
||
|
|
if(!o.readonly && !o.disabled){
|
||
|
|
if(that.isRtl){
|
||
|
|
if(code == 39){
|
||
|
|
code = 37;
|
||
|
|
} else if(code == 37){
|
||
|
|
code = 39;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (code == 39 || code == 38) {
|
||
|
|
that.doStep(1);
|
||
|
|
} else if (code == 37 || code == 40) {
|
||
|
|
that.doStep(-1);
|
||
|
|
} else if (code == 33) {
|
||
|
|
that.doStep(10, o.animate);
|
||
|
|
} else if (code == 34) {
|
||
|
|
that.doStep(-10, o.animate);
|
||
|
|
} else if (code == 36) {
|
||
|
|
that.value(that.options.max, false, o.animate);
|
||
|
|
} else if (code == 35) {
|
||
|
|
that.value(that.options.min, false, o.animate);
|
||
|
|
} else {
|
||
|
|
step = false;
|
||
|
|
}
|
||
|
|
if (step) {
|
||
|
|
that.addRemoveClass('ws-active', true);
|
||
|
|
eventTimer.call('input', o.value);
|
||
|
|
e.preventDefault();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
eventTimer.init('input', o.value, this.options.input);
|
||
|
|
eventTimer.init('change', o.value, this.options.change);
|
||
|
|
|
||
|
|
elementEvts[$.fn.mwheelIntent ? 'mwheelIntent' : 'mousewheel'] = function(e, delta){
|
||
|
|
if(delta && hasFocus && !o.readonly && !o.disabled){
|
||
|
|
that.doStep(delta);
|
||
|
|
e.preventDefault();
|
||
|
|
eventTimer.call('input', o.value);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
this.element.on(elementEvts);
|
||
|
|
this.thumb.on({
|
||
|
|
mousedown: add
|
||
|
|
});
|
||
|
|
|
||
|
|
if(this.orig){
|
||
|
|
$(this.orig).jProp('form').on('reset', function(){
|
||
|
|
var val = $.prop(that.orig, 'value');
|
||
|
|
that.value(val);
|
||
|
|
setTimeout(function(){
|
||
|
|
var val2 = $.prop(that.orig, 'value');
|
||
|
|
if(val != val2){
|
||
|
|
that.value(val2);
|
||
|
|
}
|
||
|
|
}, 4);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
if (window.webshims) {
|
||
|
|
webshims.ready('WINDOWLOAD', function(){
|
||
|
|
webshims.ready('dom-support', function(){
|
||
|
|
if ($.fn.onWSOff) {
|
||
|
|
var timer;
|
||
|
|
var update = function(){
|
||
|
|
that.updateMetrics();
|
||
|
|
};
|
||
|
|
that.element.onWSOff('updateshadowdom', function(){
|
||
|
|
clearTimeout(timer);
|
||
|
|
timer = setTimeout(update, 100);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
if (!$.fn.onWSOff && webshims._polyfill) {
|
||
|
|
webshims._polyfill(['dom-support']);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
},
|
||
|
|
posCenter: function(elem, outerWidth){
|
||
|
|
var temp, eS;
|
||
|
|
|
||
|
|
if(this.options.calcCenter && (!this._init || this.element[0].offsetWidth)){
|
||
|
|
if(!elem){
|
||
|
|
elem = this.thumb;
|
||
|
|
}
|
||
|
|
eS = elem[0].style;
|
||
|
|
if(!outerWidth){
|
||
|
|
outerWidth = elem[this.dirs.outerWidth]();
|
||
|
|
}
|
||
|
|
outerWidth = outerWidth / -2;
|
||
|
|
eS[this.dirs.marginLeft] = outerWidth +'px';
|
||
|
|
|
||
|
|
if(this.options.calcTrail && elem[0] == this.thumb[0]){
|
||
|
|
temp = this.element[this.dirs.innerHeight]();
|
||
|
|
eS[this.dirs.marginTop] = ((elem[this.dirs.outerHeight]() - temp) / -2) + 'px';
|
||
|
|
this.range[0].style[this.dirs.marginTop] = ((this.range[this.dirs.outerHeight]() - temp) / -2 ) +'px';
|
||
|
|
|
||
|
|
this.range[0].style[this.dirs.posLeft] = outerWidth +'px';
|
||
|
|
|
||
|
|
outerWidth *= -1;
|
||
|
|
|
||
|
|
this.range[0].style[this.dirs.paddingRight] = outerWidth +'px';
|
||
|
|
this.trail[0].style[this.dirs.left] = outerWidth +'px';
|
||
|
|
this.trail[0].style[this.dirs.right] = outerWidth +'px';
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
updateMetrics: function(){
|
||
|
|
var width = this.element.innerWidth();
|
||
|
|
this.vertical = (width && this.element.innerHeight() - width > 10);
|
||
|
|
|
||
|
|
this.dirs = this.vertical ?
|
||
|
|
{mouse: 'pageY', pos: 'top', posLeft: 'bottom', paddingRight: 'paddingTop', min: 'max', max: 'min', left: 'top', right: 'bottom', width: 'height', innerWidth: 'innerHeight', innerHeight: 'innerWidth', outerWidth: 'outerHeight', outerHeight: 'outerWidth', marginTop: 'marginLeft', marginLeft: 'marginTop'} :
|
||
|
|
{mouse: 'pageX', pos: 'left', posLeft: 'left', paddingRight: 'paddingRight', min: 'min', max: 'max', left: 'left', right: 'right', width: 'width', innerWidth: 'innerWidth', innerHeight: 'innerHeight', outerWidth: 'outerWidth', outerHeight: 'outerHeight', marginTop: 'marginTop', marginLeft: 'marginLeft'}
|
||
|
|
;
|
||
|
|
if(!this.vertical && this.element.css('direction') == 'rtl'){
|
||
|
|
this.isRtl = true;
|
||
|
|
this.dirs.left = 'right';
|
||
|
|
this.dirs.right = 'left';
|
||
|
|
this.dirs.marginLeft = 'marginRight';
|
||
|
|
this.dirs.posLeft = 'right';
|
||
|
|
}
|
||
|
|
this.element
|
||
|
|
[this.vertical ? 'addClass' : 'removeClass']('vertical-range')
|
||
|
|
[this.isRtl ? 'addClass' : 'removeClass']('ws-is-rtl')
|
||
|
|
;
|
||
|
|
this.updateMetrics = this.posCenter;
|
||
|
|
this.posCenter();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
var oCreate = function (o) {
|
||
|
|
function F() {}
|
||
|
|
F.prototype = o;
|
||
|
|
return new F();
|
||
|
|
};
|
||
|
|
|
||
|
|
$.fn.rangeUI = function(opts){
|
||
|
|
opts = $.extend({
|
||
|
|
readonly: false,
|
||
|
|
disabled: false,
|
||
|
|
tabindex: 0,
|
||
|
|
min: 0,
|
||
|
|
step: 1,
|
||
|
|
max: 100,
|
||
|
|
value: 50,
|
||
|
|
input: $.noop,
|
||
|
|
change: $.noop,
|
||
|
|
_change: $.noop,
|
||
|
|
showLabels: true,
|
||
|
|
options: {},
|
||
|
|
calcCenter: true,
|
||
|
|
calcTrail: true
|
||
|
|
}, opts);
|
||
|
|
return this.each(function(){
|
||
|
|
var obj = $.extend(oCreate(rangeProto), {element: $(this)});
|
||
|
|
obj.options = opts;
|
||
|
|
obj._create.call(obj);
|
||
|
|
});
|
||
|
|
};
|
||
|
|
$.fn.rangeUI.normalizeTouch = normalizeTouch;
|
||
|
|
if(window.webshims && webshims.isReady){
|
||
|
|
webshims.isReady('range-ui', true);
|
||
|
|
}
|
||
|
|
})(window.webshims ? webshims.$ : jQuery);
|