138 lines
3.2 KiB
JavaScript
138 lines
3.2 KiB
JavaScript
webshims.register('form-fixrangechange', function($, webshims){
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"use strict";
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var rangeChange = {
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trigger: function(e){
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if(rangeChange.blockElement){
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rangeChange.blockElement = false;
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setTimeout(function(){
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if(rangeChange.requestedChange && rangeChange.value != rangeChange.requestedChange.value){
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$(rangeChange.requestedChange).trigger('change');
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}
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rangeChange.value = false;
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}, 9);
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}
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},
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lastValue: false,
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updateInputValue: function(e){
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rangeChange.lastValue = e.target.value;
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},
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triggerInput: function(e){
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if(rangeChange.lastValue !== false && rangeChange.lastValue != e.target.value){
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$(e.target).trigger('input');
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}
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},
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inputTeardown: function(e){
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$(e.target)
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.off('input', rangeChange.updateInputValue)
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.off('blur', rangeChange.inputTeardown)
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;
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rangeChange.lastValue = false;
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},
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inputSetup: function(e){
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if(e.target.type == 'range'){
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rangeChange.inputTeardown(e);
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rangeChange.lastValue = e.target.value;
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$(e.target)
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.on('input', rangeChange.updateInputValue)
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.on('blur', rangeChange.inputTeardown)
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;
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}
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}
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};
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$.each([{name: 'key', evt: 'keyup'}, {name: 'mouse', evt: 'mouseup'}, {name: 'touch', evt: 'touchend'}], function(i, obj){
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var setup = obj.name + 'Setup';
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var commit = obj.name + 'Commit';
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rangeChange[obj.name+'Block'] = function(e){
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if(!rangeChange.blockElement && e.target.type == 'range'){
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rangeChange.blockElement = e.target;
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rangeChange.value = e.target.value;
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$(rangeChange.blockElement)
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.off('blur', rangeChange.trigger)
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.on('blur', rangeChange.trigger)
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;
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$(document.body)
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.off(obj.evt, rangeChange[commit])
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.on(obj.evt, rangeChange[commit])
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;
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}
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};
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rangeChange[commit] = function(e){
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$(document.body).off(obj.evt, rangeChange[commit]);
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rangeChange.trigger();
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};
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});
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$(document.body || 'html').on({
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mousedown: rangeChange.mouseBlock,
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'keydown kepress': function(e){
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if(e.keyCode < 45 && e.keyCode > 30){
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rangeChange.keyBlock(e);
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}
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},
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'touchstart': rangeChange.touchBlock,
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focusin: rangeChange.inputSetup
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});
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$.extend(true, $.event.special, {
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change: {
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handle: function(e){
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if(!e.isTrigger && rangeChange.blockElement == e.target){
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rangeChange.requestedChange = e.target;
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rangeChange.triggerInput(e);
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return false;
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} else if(rangeChange.requestedChange == e.target){
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rangeChange.requestedChange = false;
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}
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e.handleObj.handler.apply(this, arguments);
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}
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},
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input: {
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handle: (function(){
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var lastValue, lastElement;
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var remove = function(){
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if(lastElement){
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$(lastElement).off('change', remove);
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}
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lastValue = false;
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lastElement = false;
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};
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var setup = function(e){
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remove(e);
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lastElement = e.target;
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lastValue = e.target.value;
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$(e.target).on('change', remove);
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};
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return function(e){
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var value;
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if(!e.isTrigger && e.target.type == 'range'){
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if(lastElement != e.target){
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setup(e);
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} else if(lastElement == e.target){
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if(lastValue == (value = e.target.value)){
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return false;
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}
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lastValue = e.target.value;
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}
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}
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e.handleObj.handler.apply(this, arguments);
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};
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})()
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}
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});
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});
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