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