Fix for https://github.com/jgraph/mxgraph/issues/507development
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2ddf5448ea
commit
5d4f1976e9
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@ -40,9 +40,26 @@ var mxEvent =
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if (window.addEventListener)
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{
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// Checks if passive event listeners are supported
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// see https://github.com/Modernizr/Modernizr/issues/1894
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var supportsPassive = false;
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try
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{
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document.addEventListener('test', function() {}, Object.defineProperty &&
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Object.defineProperty({}, 'passive', {get: function()
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{supportsPassive = true;}}));
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}
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catch (e)
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{
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// ignore
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}
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return function(element, eventName, funct)
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{
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element.addEventListener(eventName, funct, false);
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element.addEventListener(eventName, funct,
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(supportsPassive) ?
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{passive: false} : false);
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updateListenerList(element, eventName, funct);
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};
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}
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@ -360,8 +377,6 @@ var mxEvent =
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evt.preventDefault();
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}
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var delta = -evt.deltaY;
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// Handles the event using the given function
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if (Math.abs(evt.deltaX) > 0.5 || Math.abs(evt.deltaY) > 0.5)
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{
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