459 lines
14 KiB
JavaScript
459 lines
14 KiB
JavaScript
//>>built
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define("dijit/_editor/plugins/FullScreen", [
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"dojo/aspect",
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"dojo/_base/declare", // declare
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"dojo/dom-class", // domClass.add domClass.remove
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"dojo/dom-geometry",
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"dojo/dom-style",
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"dojo/_base/event", // event.stop
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"dojo/i18n", // i18n.getLocalization
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"dojo/keys", // keys.F11 keys.TAB
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"dojo/_base/lang", // lang.hitch
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"dojo/on", // on()
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"dojo/_base/sniff", // has("ie"), has("quirks")
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"dojo/_base/window", // win.body
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"dojo/window", // winUtils.getBox winUtils.scrollIntoView
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"../../focus", // focus.focus(), focus.curNode
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"../_Plugin",
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"../../form/ToggleButton",
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"../../registry", // registry.getEnclosingWidget()
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"dojo/i18n!../nls/commands"
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], function(aspect, declare, domClass, domGeometry, domStyle, event, i18n, keys, lang, on, has, win, winUtils,
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focus, _Plugin, ToggleButton, registry){
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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/FullScreen
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// summary:
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// This plugin provides FullScreen capability 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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var FullScreen = declare("dijit._editor.plugins.FullScreen",_Plugin,{
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// summary:
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// This plugin provides FullScreen capability 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 = i18n.getLocalization("dijit._editor", "commands"),
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editor = this.editor;
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this.button = new 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: lang.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(keys.F11, true, true, lang.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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event.stop(e);
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setTimeout(lang.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 === 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 = focus.curNode;
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var avn = this._getAltViewNode();
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if(f == ed.iframe ||
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(avn && f === avn)){
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setTimeout(lang.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 && domStyle.get(ed.iframe, "display") === "none"){
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setTimeout(lang.hitch(this, function(){
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focus.focus(avn);
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}), 10);
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}else{
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setTimeout(lang.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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event.stop(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 = winUtils.getBox();
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domGeometry.setMarginBox(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 internal 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 = domGeometry.getPadBorderExtents(this.editor.domNode);
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var fcpExtents = domGeometry.getPadBorderExtents(this.editor.iframe.parentNode);
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var fcmExtents = domGeometry.getMarginExtents(this.editor.iframe.parentNode);
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var cHeight = vp.h - (hHeight + extents.h + fHeight);
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domGeometry.setMarginBox(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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domGeometry.setMarginBox(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 = winUtils.getBox();
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//Alias this for shorter code.
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var ed = this.editor;
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var body = win.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 everything to position static.
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while(editorParent && editorParent !== win.body()){
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domClass.add(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 = lang.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 domStyle.get 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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rawStyle = domNode && domNode.style || {};
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this._origState = {
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width: rawStyle.width || "",
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height: rawStyle.height || "",
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top: domStyle.get(domNode, "top") || "",
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left: domStyle.get(domNode, "left") || "",
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position: domStyle.get(domNode, "position") || "static",
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marginBox: domGeometry.getMarginBox(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 domStyle.get 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 = domStyle.get(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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domStyle.set(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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domStyle.set(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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domStyle.set(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 = domStyle.get(body, "overflow");
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}else{
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this._oldOverflow = "";
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}
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if(has("ie") && !has("quirks")){
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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 = domStyle.get(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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domStyle.set(body.parentNode, "overflow", "hidden");
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}
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domStyle.set(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 = winUtils.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(lang.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 = on(window, "resize", lang.hitch(this, resizer));
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// Also monitor for direct calls to resize and adapt editor.
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this._resizeHandle2 = aspect.after(ed, "onResize", lang.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(lang.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(){winUtils.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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this._resizeHandle.remove();
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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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this._resizeHandle2.remove();
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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 !== win.body()){
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domClass.remove(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(has("ie") && !has("quirks")){
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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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domStyle.set(body, "overflow", self._oldOverflow);
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delete self._oldOverflow;
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domStyle.set(ed.domNode, self._origState);
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domStyle.set(ed.iframe.parentNode, {
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height: "",
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width: ""
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});
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domStyle.set(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 = registry.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(lang.hitch(this, function(){ed.resize({h: mb.h});}), 0);
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}
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}
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winUtils.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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this._resizeHandle.remove();
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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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this._resizeHandle2.remove();
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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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// For back-compat accept "fullscreen" (all lowercase) too, remove in 2.0
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_Plugin.registry["fullScreen"] = _Plugin.registry["fullscreen"] = function(args){
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return new FullScreen({
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zIndex: ("zIndex" in args)?args.zIndex:500
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});
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};
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return FullScreen;
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});
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