68 lines
2.4 KiB
JavaScript
68 lines
2.4 KiB
JavaScript
//>>built
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define("dojox/geo/openlayers/Patch", [
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"dojo/_base/kernel",
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"dojo/_base/lang", // dojo.extend getObject
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"dojo/_base/sniff", // dojo.isIE
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"dojox/gfx",
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"dojox/gfx/shape"
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], function(dojo, lang, sniff, gfx, shape){
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var dgo = lang.getObject("geo.openlayers", true, dojox);
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dgo.Patch = {
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patchMethod : function(/*Object*/type, /*String*/method, /*Function*/execBefore, /*Function*/
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execAfter){
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// summary:
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// Patches the specified method of the given type so that the 'execBefore' (resp. 'execAfter') function is
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// called before (resp. after) invoking the legacy implementation.
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// description:
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// The execBefore function is invoked with the following parameter:
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// execBefore(method, arguments) where 'method' is the patched method name and 'arguments' the arguments received
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// by the legacy implementation.
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// The execAfter function is invoked with the following parameter:
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// execBefore(method, returnValue, arguments) where 'method' is the patched method name, 'returnValue' the value
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// returned by the legacy implementation and 'arguments' the arguments received by the legacy implementation.
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// type: Object: the type to patch.
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// method: String: the method name.
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// execBefore: Function: the function to execute before the legacy implementation.
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// execAfter: Function: the function to execute after the legacy implementation.
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// tags:
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// private
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var old = type.prototype[method];
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type.prototype[method] = function(){
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var callee = method;
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if (execBefore)
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execBefore.call(this, callee, arguments);
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var ret = old.apply(this, arguments);
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if (execAfter)
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ret = execAfter.call(this, callee, ret, arguments) || ret;
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return ret;
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};
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},
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patchGFX : function(){
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var vmlFixRawNodePath = function(){
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if (!this.rawNode.path)
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this.rawNode.path = {};
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};
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var vmlFixFillColors = function() {
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if(this.rawNode.fill && !this.rawNode.fill.colors)
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this.rawNode.fill.colors = {};
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};
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if (sniff.isIE <= 8) {
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dojox.geo.openlayers.Patch.patchMethod(gfx.Line, "setShape", vmlFixRawNodePath, null);
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dojox.geo.openlayers.Patch.patchMethod(gfx.Polyline, "setShape", vmlFixRawNodePath, null);
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dojox.geo.openlayers.Patch.patchMethod(gfx.Path, "setShape", vmlFixRawNodePath, null);
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dojox.geo.openlayers.Patch.patchMethod(shape.Shape, "setFill", vmlFixFillColors, null);
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}
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}
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};
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return dgo.Patch;
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});
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