| 1 | define([ |
|---|
| 2 | "dojo/_base/kernel", |
|---|
| 3 | "dojo/_base/lang", // dojo.extend getObject |
|---|
| 4 | "dojo/_base/sniff", // dojo.isIE |
|---|
| 5 | "dojox/gfx", |
|---|
| 6 | "dojox/gfx/shape" |
|---|
| 7 | ], function(dojo, lang, sniff, gfx, shape){ |
|---|
| 8 | |
|---|
| 9 | var dgo = lang.getObject("geo.openlayers", true, dojox); |
|---|
| 10 | |
|---|
| 11 | dgo.Patch = { |
|---|
| 12 | |
|---|
| 13 | patchMethod : function(/*Object*/type, /*String*/method, /*Function*/execBefore, /*Function*/ |
|---|
| 14 | execAfter){ |
|---|
| 15 | // summary: |
|---|
| 16 | // Patches the specified method of the given type so that the 'execBefore' (resp. 'execAfter') function is |
|---|
| 17 | // called before (resp. after) invoking the legacy implementation. |
|---|
| 18 | // description: |
|---|
| 19 | // The execBefore function is invoked with the following parameter: |
|---|
| 20 | // execBefore(method, arguments) where 'method' is the patched method name and 'arguments' the arguments received |
|---|
| 21 | // by the legacy implementation. |
|---|
| 22 | // The execAfter function is invoked with the following parameter: |
|---|
| 23 | // execBefore(method, returnValue, arguments) where 'method' is the patched method name, 'returnValue' the value |
|---|
| 24 | // returned by the legacy implementation and 'arguments' the arguments received by the legacy implementation. |
|---|
| 25 | // type: Object: the type to patch. |
|---|
| 26 | // method: String: the method name. |
|---|
| 27 | // execBefore: Function: the function to execute before the legacy implementation. |
|---|
| 28 | // execAfter: Function: the function to execute after the legacy implementation. |
|---|
| 29 | // tags: |
|---|
| 30 | // private |
|---|
| 31 | var old = type.prototype[method]; |
|---|
| 32 | type.prototype[method] = function(){ |
|---|
| 33 | var callee = method; |
|---|
| 34 | if (execBefore) |
|---|
| 35 | execBefore.call(this, callee, arguments); |
|---|
| 36 | var ret = old.apply(this, arguments); |
|---|
| 37 | if (execAfter) |
|---|
| 38 | ret = execAfter.call(this, callee, ret, arguments) || ret; |
|---|
| 39 | return ret; |
|---|
| 40 | }; |
|---|
| 41 | }, |
|---|
| 42 | |
|---|
| 43 | patchGFX : function(){ |
|---|
| 44 | |
|---|
| 45 | var vmlFixRawNodePath = function(){ |
|---|
| 46 | if (!this.rawNode.path) |
|---|
| 47 | this.rawNode.path = {}; |
|---|
| 48 | }; |
|---|
| 49 | |
|---|
| 50 | var vmlFixFillColors = function() { |
|---|
| 51 | if(this.rawNode.fill && !this.rawNode.fill.colors) |
|---|
| 52 | this.rawNode.fill.colors = {}; |
|---|
| 53 | }; |
|---|
| 54 | |
|---|
| 55 | if (sniff.isIE <= 8) { |
|---|
| 56 | |
|---|
| 57 | dojox.geo.openlayers.Patch.patchMethod(gfx.Line, "setShape", vmlFixRawNodePath, null); |
|---|
| 58 | dojox.geo.openlayers.Patch.patchMethod(gfx.Polyline, "setShape", vmlFixRawNodePath, null); |
|---|
| 59 | dojox.geo.openlayers.Patch.patchMethod(gfx.Path, "setShape", vmlFixRawNodePath, null); |
|---|
| 60 | |
|---|
| 61 | dojox.geo.openlayers.Patch.patchMethod(shape.Shape, "setFill", vmlFixFillColors, null); |
|---|
| 62 | } |
|---|
| 63 | } |
|---|
| 64 | }; |
|---|
| 65 | return dgo.Patch; |
|---|
| 66 | }); |
|---|
