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78 lines
2.5 KiB
JavaScript
78 lines
2.5 KiB
JavaScript
define("dijit/_editor/plugins/ToggleDir", [
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"dojo/_base/declare", // declare
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"dojo/dom-style", // domStyle.getComputedStyle
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"dojo/_base/kernel", // kernel.experimental
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"dojo/_base/lang", // lang.hitch
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"../_Plugin",
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"../../form/ToggleButton"
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], function(declare, domStyle, kernel, lang, _Plugin, ToggleButton){
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/*=====
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var _Plugin = dijit._editor._Plugin;
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=====*/
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// module:
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// dijit/_editor/plugins/ToggleDir
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// summary:
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// This plugin is used to toggle direction of the edited document,
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// independent of what direction the whole page is.
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kernel.experimental("dijit._editor.plugins.ToggleDir");
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var ToggleDir = declare("dijit._editor.plugins.ToggleDir", _Plugin, {
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// summary:
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// This plugin is used to toggle direction of the edited document,
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// independent of what direction the whole page is.
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// Override _Plugin.useDefaultCommand: processing is done in this plugin
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// rather than by sending commands to the Editor
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useDefaultCommand: false,
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command: "toggleDir",
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// Override _Plugin.buttonClass to use a ToggleButton for this plugin rather than a vanilla Button
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buttonClass: ToggleButton,
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_initButton: function(){
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// Override _Plugin._initButton() to setup handler for button click events.
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this.inherited(arguments);
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this.editor.onLoadDeferred.addCallback(lang.hitch(this, function(){
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var editDoc = this.editor.editorObject.contentWindow.document.documentElement;
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//IE direction has to toggle on the body, not document itself.
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//If you toggle just the document, things get very strange in the
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//view. But, the nice thing is this works for all supported browsers.
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editDoc = editDoc.getElementsByTagName("body")[0];
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var isLtr = domStyle.getComputedStyle(editDoc).direction == "ltr";
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this.button.set("checked", !isLtr);
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this.connect(this.button, "onChange", "_setRtl");
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}));
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},
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updateState: function(){
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// summary:
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// Over-ride for button state control for disabled to work.
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this.button.set("disabled", this.get("disabled"));
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},
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_setRtl: function(rtl){
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// summary:
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// Handler for button click events, to switch the text direction of the editor
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var dir = "ltr";
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if(rtl){
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dir = "rtl";
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}
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var editDoc = this.editor.editorObject.contentWindow.document.documentElement;
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editDoc = editDoc.getElementsByTagName("body")[0];
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editDoc.dir/*html node*/ = dir;
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}
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});
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// Register this plugin.
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_Plugin.registry["toggleDir"] = function(){
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return new ToggleDir({command: "toggleDir"});
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};
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return ToggleDir;
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});
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