442 lines
13 KiB
JavaScript
442 lines
13 KiB
JavaScript
/*
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Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dijit._editor.plugins.FullScreen"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dijit._editor.plugins.FullScreen"] = true;
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dojo.provide("dijit._editor.plugins.FullScreen");
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dojo.require("dojo.window");
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dojo.require("dojo.i18n");
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dojo.require("dijit._editor._Plugin");
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dojo.require("dijit.form.Button");
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dojo.requireLocalization("dijit._editor", "commands", null, "ROOT,ar,ca,cs,da,de,el,es,fi,fr,he,hu,it,ja,kk,ko,nb,nl,pl,pt,pt-pt,ro,ru,sk,sl,sv,th,tr,zh,zh-tw");
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dojo.declare("dijit._editor.plugins.FullScreen",dijit._editor._Plugin,{
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// summary:
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// This plugin provides FullScreen cabability to the editor. When
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// toggled on, it will render the editor into the full window and
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// overlay everything. It also binds to the hotkey: CTRL-SHIFT-F11
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// for toggling fullscreen mode.
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// zIndex: [public] Number
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// zIndex value used for overlaying the full page.
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// default is 500.
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zIndex: 500,
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// _origState: [private] Object
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// The original view state of the editor.
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_origState: null,
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// _origiFrameState: [private] Object
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// The original view state of the iframe of the editor.
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_origiFrameState: null,
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// _resizeHandle: [private] Object
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// Connection point used for handling resize when window resizes.
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_resizeHandle: null,
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// isFullscreen: [const] boolean
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// Read-Only variable used to denote of the editor is in fullscreen mode or not.
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isFullscreen: false,
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toggle: function(){
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// summary:
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// Function to allow programmatic toggling of the view.
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this.button.set("checked", !this.button.get("checked"));
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},
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_initButton: function(){
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// summary:
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// Over-ride for creation of the resize button.
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var strings = dojo.i18n.getLocalization("dijit._editor", "commands"),
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editor = this.editor;
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this.button = new dijit.form.ToggleButton({
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label: strings["fullScreen"],
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dir: editor.dir,
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lang: editor.lang,
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showLabel: false,
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iconClass: this.iconClassPrefix + " " + this.iconClassPrefix + "FullScreen",
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tabIndex: "-1",
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onChange: dojo.hitch(this, "_setFullScreen")
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});
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},
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setEditor: function(editor){
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// summary:
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// Over-ride for the setting of the editor.
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// editor: Object
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// The editor to configure for this plugin to use.
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this.editor = editor;
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this._initButton();
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this.editor.addKeyHandler(dojo.keys.F11, true, true, dojo.hitch(this, function(e){
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// Enable the CTRL-SHIFT-F11 hotkey for fullscreen mode.
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this.toggle();
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dojo.stopEvent(e);
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setTimeout(dojo.hitch(this, function(){this.editor.focus();}), 250);
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return true;
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}));
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this.connect(this.editor.domNode, "onkeydown", "_containFocus");
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},
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_containFocus: function(e){
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// summary:
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// When in Full Screen mode, it's good to try and retain focus in the editor
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// so this function is intended to try and constrain the TAB key.
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// e: Event
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// The key event.
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// tags:
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// private
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if(this.isFullscreen){
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var ed = this.editor;
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if(!ed.isTabIndent &&
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ed._fullscreen_oldOnKeyDown &&
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e.keyCode === dojo.keys.TAB){
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// If we're in fullscreen mode, we want to take over how tab moves focus a bit.
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// to keep it within the editor since it's hiding the rest of the page.
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// IE hates changing focus IN the event handler, so need to put calls
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// in a timeout. Gotta love IE.
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// Also need to check for alternate view nodes if present and active.
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var f = dijit.getFocus();
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var avn = this._getAltViewNode();
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if(f.node == ed.iframe ||
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(avn && f.node === avn)){
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setTimeout(dojo.hitch(this, function(){
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ed.toolbar.focus();
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}), 10);
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}else{
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if(avn && dojo.style(ed.iframe, "display") === "none"){
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setTimeout(dojo.hitch(this, function(){
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dijit.focus(avn);
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}), 10);
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}else{
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setTimeout(dojo.hitch(this, function(){
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ed.focus();
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}), 10);
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}
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}
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dojo.stopEvent(e);
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}else if(ed._fullscreen_oldOnKeyDown){
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// Only call up when it's a different function. Traps corner case event issue
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// on IE which caused stack overflow on handler cleanup.
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ed._fullscreen_oldOnKeyDown(e);
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}
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}
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},
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_resizeEditor: function(){
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// summary:
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// Function to handle resizing the editor as the viewport
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// resizes (window scaled)
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// tags:
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// private
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var vp = dojo.window.getBox();
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dojo.marginBox(this.editor.domNode, {
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w: vp.w,
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h: vp.h
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});
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//Adjust the inernal heights too, as they can be a bit off.
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var hHeight = this.editor.getHeaderHeight();
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var fHeight = this.editor.getFooterHeight();
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var extents = dojo._getPadBorderExtents(this.editor.domNode);
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var fcpExtents = dojo._getPadBorderExtents(this.editor.iframe.parentNode);
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var fcmExtents = dojo._getMarginExtents(this.editor.iframe.parentNode);
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var cHeight = vp.h - (hHeight + extents.h + fHeight);
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dojo.marginBox(this.editor.iframe.parentNode, {
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h: cHeight,
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w: vp.w
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});
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dojo.marginBox(this.editor.iframe, {
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h: cHeight - (fcpExtents.h + fcmExtents.h)
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});
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},
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_getAltViewNode: function(){
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// summary:
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// This function is intended as a hook point for setting an
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// alternate view node for when in full screen mode and the
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// editable iframe is hidden.
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// tags:
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// protected.
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},
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_setFullScreen: function(full){
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// summary:
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// Function to handle toggling between full screen and
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// regular view.
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// tags:
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// private
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var vp = dojo.window.getBox();
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//Alias this for shorter code.
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var ed = this.editor;
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var body = dojo.body();
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var editorParent = ed.domNode.parentNode;
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this.isFullscreen = full;
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if(full){
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//Parent classes can royally screw up this plugin, so we
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//have to set eveything to position static.
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while(editorParent && editorParent !== dojo.body()){
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dojo.addClass(editorParent, "dijitForceStatic");
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editorParent = editorParent.parentNode;
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}
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// Save off the resize function. We want to kill its behavior.
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this._editorResizeHolder = this.editor.resize;
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ed.resize = function() {} ;
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// Try to constrain focus control.
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ed._fullscreen_oldOnKeyDown = ed.onKeyDown;
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ed.onKeyDown = dojo.hitch(this, this._containFocus);
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this._origState = {};
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this._origiFrameState = {};
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// Store the basic editor state we have to restore later.
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// Not using dojo.style here, had problems, didn't
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// give me stuff like 100%, gave me pixel calculated values.
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// Need the exact original values.
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var domNode = ed.domNode,
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domStyle = domNode && domNode.style || {};
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this._origState = {
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width: domStyle.width || "",
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height: domStyle.height || "",
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top: dojo.style(domNode, "top") || "",
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left: dojo.style(domNode, "left") || "",
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position: dojo.style(domNode, "position") || "static",
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marginBox: dojo.marginBox(ed.domNode)
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};
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// Store the iframe state we have to restore later.
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// Not using dojo.style here, had problems, didn't
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// give me stuff like 100%, gave me pixel calculated values.
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// Need the exact original values.
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var iframe = ed.iframe,
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iframeStyle = iframe && iframe.style || {};
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var bc = dojo.style(ed.iframe, "backgroundColor");
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this._origiFrameState = {
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backgroundColor: bc || "transparent",
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width: iframeStyle.width || "auto",
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height: iframeStyle.height || "auto",
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zIndex: iframeStyle.zIndex || ""
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};
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// Okay, size everything.
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dojo.style(ed.domNode, {
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position: "absolute",
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top: "0px",
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left: "0px",
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zIndex: this.zIndex,
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width: vp.w + "px",
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height: vp.h + "px"
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});
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dojo.style(ed.iframe, {
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height: "100%",
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width: "100%",
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zIndex: this.zIndex,
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backgroundColor: bc !== "transparent" &&
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bc !== "rgba(0, 0, 0, 0)"?bc:"white"
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});
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dojo.style(ed.iframe.parentNode, {
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height: "95%",
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width: "100%"
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});
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// Store the overflow state we have to restore later.
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// IE had issues, so have to check that it's defined. Ugh.
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if(body.style && body.style.overflow){
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this._oldOverflow = dojo.style(body, "overflow");
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}else{
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this._oldOverflow = "";
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}
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if(dojo.isIE && !dojo.isQuirks){
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// IE will put scrollbars in anyway, html (parent of body)
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// also controls them in standards mode, so we have to
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// remove them, argh.
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if(body.parentNode &&
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body.parentNode.style &&
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body.parentNode.style.overflow){
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this._oldBodyParentOverflow = body.parentNode.style.overflow;
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}else{
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try{
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this._oldBodyParentOverflow = dojo.style(body.parentNode, "overflow");
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}catch(e){
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this._oldBodyParentOverflow = "scroll";
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}
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}
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dojo.style(body.parentNode, "overflow", "hidden");
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}
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dojo.style(body, "overflow", "hidden");
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var resizer = function(){
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// function to handle resize events.
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// Will check current VP and only resize if
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// different.
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var vp = dojo.window.getBox();
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if("_prevW" in this && "_prevH" in this){
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// No actual size change, ignore.
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if(vp.w === this._prevW && vp.h === this._prevH){
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return;
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}
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}else{
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this._prevW = vp.w;
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this._prevH = vp.h;
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}
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if(this._resizer){
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clearTimeout(this._resizer);
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delete this._resizer;
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}
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// Timeout it to help avoid spamming resize on IE.
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// Works for all browsers.
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this._resizer = setTimeout(dojo.hitch(this, function(){
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delete this._resizer;
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this._resizeEditor();
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}), 10);
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};
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this._resizeHandle = dojo.connect(window, "onresize", this, resizer);
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// Also monitor for direct calls to resize and adapt editor.
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this._resizeHandle2 = dojo.connect(ed, "resize", dojo.hitch(this, function(){
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if(this._resizer){
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clearTimeout(this._resizer);
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delete this._resizer;
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}
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this._resizer = setTimeout(dojo.hitch(this, function(){
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delete this._resizer;
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this._resizeEditor();
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}), 10);
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}));
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// Call it once to work around IE glitchiness. Safe for other browsers too.
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this._resizeEditor();
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var dn = this.editor.toolbar.domNode;
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setTimeout(function(){dojo.window.scrollIntoView(dn);}, 250);
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}else{
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if(this._resizeHandle){
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// Cleanup resizing listeners
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dojo.disconnect(this._resizeHandle);
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this._resizeHandle = null;
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}
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if(this._resizeHandle2){
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// Cleanup resizing listeners
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dojo.disconnect(this._resizeHandle2);
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this._resizeHandle2 = null;
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}
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if(this._rst){
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clearTimeout(this._rst);
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this._rst = null;
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}
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//Remove all position static class assigns.
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while(editorParent && editorParent !== dojo.body()){
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dojo.removeClass(editorParent, "dijitForceStatic");
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editorParent = editorParent.parentNode;
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}
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// Restore resize function
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if(this._editorResizeHolder){
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this.editor.resize = this._editorResizeHolder;
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}
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if(!this._origState && !this._origiFrameState){
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// If we actually didn't toggle, then don't do anything.
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return;
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}
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if(ed._fullscreen_oldOnKeyDown){
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ed.onKeyDown = ed._fullscreen_oldOnKeyDown;
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delete ed._fullscreen_oldOnKeyDown;
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}
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// Add a timeout to make sure we don't have a resize firing in the
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// background at the time of minimize.
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var self = this;
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setTimeout(function(){
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// Restore all the editor state.
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var mb = self._origState.marginBox;
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var oh = self._origState.height;
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if(dojo.isIE && !dojo.isQuirks){
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body.parentNode.style.overflow = self._oldBodyParentOverflow;
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delete self._oldBodyParentOverflow;
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}
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dojo.style(body, "overflow", self._oldOverflow);
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delete self._oldOverflow;
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dojo.style(ed.domNode, self._origState);
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dojo.style(ed.iframe.parentNode, {
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height: "",
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width: ""
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});
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dojo.style(ed.iframe, self._origiFrameState);
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delete self._origState;
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delete self._origiFrameState;
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// In case it is contained in a layout and the layout changed size,
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// go ahead and call resize.
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var pWidget = dijit.getEnclosingWidget(ed.domNode.parentNode);
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if(pWidget && pWidget.resize){
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pWidget.resize();
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}else{
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if(!oh || oh.indexOf("%") < 0){
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// Resize if the original size wasn't set
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// or wasn't in percent. Timeout is to avoid
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// an IE crash in unit testing.
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setTimeout(dojo.hitch(this, function(){ed.resize({h: mb.h});}), 0);
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}
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}
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dojo.window.scrollIntoView(self.editor.toolbar.domNode);
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}, 100);
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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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destroy: function(){
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// summary:
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// Over-ride to ensure the resize handle gets cleaned up.
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if(this._resizeHandle){
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// Cleanup resizing listeners
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dojo.disconnect(this._resizeHandle);
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this._resizeHandle = null;
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}
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if(this._resizeHandle2){
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// Cleanup resizing listeners
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dojo.disconnect(this._resizeHandle2);
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this._resizeHandle2 = null;
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}
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if(this._resizer){
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clearTimeout(this._resizer);
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this._resizer = null;
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}
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this.inherited(arguments);
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}
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});
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// Register this plugin.
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dojo.subscribe(dijit._scopeName + ".Editor.getPlugin",null,function(o){
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if(o.plugin){ return; }
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var name = o.args.name.toLowerCase();
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if(name === "fullscreen"){
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o.plugin = new dijit._editor.plugins.FullScreen({
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zIndex: ("zIndex" in o.args)?o.args.zIndex:500
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});
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}
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});
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}
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