mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-07-08 02:10:14 +02:00
479 lines
16 KiB
JavaScript
479 lines
16 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; c-basic-offset: 2; -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org Code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ben Goodger <ben@netscape.com> (Original Author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/** Presenting widgetStateManager the Third.
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* a production of ye olde bard Ben Goodger and his Merry XUL Widget Crewe.
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* =>> MODIFICATIONS MUST BE REVIEWED BY ben@netscape.com!!! <<=
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**/
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var wsm;
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function nsWidgetStateManager ( aFrameID )
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{
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this.dataManager =
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{
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/** Persisted Data Hash Table
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* Page_ID -> Element_ID -> Property -> Value
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**/
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pageData: [],
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setPageData:
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function ( aPageTag, aDataObject )
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{
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this.pageData[aPageTag] = aDataObject;
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},
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getPageData:
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function ( aPageTag )
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{
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if( !(aPageTag in this.pageData) )
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this.pageData[aPageTag] = [];
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return this.pageData[aPageTag];
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},
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setItemData:
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function ( aPageTag, aItemID, aDataObject )
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{
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if( !(aPageTag in this.pageData) )
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this.pageData[aPageTag] = [];
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this.pageData[aPageTag][aItemID] = aDataObject;
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},
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getItemData:
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function ( aPageTag, aItemID )
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{
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if( !(aItemID in this.pageData[aPageTag]) )
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this.pageData[aPageTag][aItemID] = [];
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return this.pageData[aPageTag][aItemID];
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}
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}
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this.contentID = aFrameID;
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wsm = this;
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/** Element Handlers
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* Provides default get and set handler functions for supported
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* widgets. Clients can override or add new widgets.
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**/
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this.handlers =
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{
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colorpicker:
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{ get: wsm.get_Colorpicker, set: wsm.set_Colorpicker },
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menulist:
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{ get: wsm.get_Menulist, set: wsm.set_Menulist },
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radiogroup:
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{ get: wsm.get_Radiogroup, set: wsm.set_Radiogroup },
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checkbox:
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{ get: wsm.get_Checkbox, set: wsm.set_Checkbox },
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textbox:
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{ get: wsm.get_Textbox, set: wsm.set_Textbox },
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listitem:
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{ get: wsm.get_Listitem, set: wsm.set_Listitem },
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data:
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{ get: wsm.get_Data, set: wsm.set_Data },
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default_handler:
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{ get: wsm.get_Default, set: wsm.set_Default }
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}
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// extra attributes to scan and save.
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this.attributes = [];
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}
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nsWidgetStateManager.prototype =
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{
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get contentArea()
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{
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return window.frames[ this.contentID ];
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},
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savePageData:
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function ( aPageTag )
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{
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if (!(aPageTag in this.dataManager.pageData))
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return;
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// Automatic element retrieval. This is done in two ways.
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// 1) if an element id array is present in the document, this is
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// used to build a list of elements to persist. <-- performant
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// 2) otherwise, all elements with 'wsm_persist' set to true
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// are persisted <-- non-performant.
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var elements;
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if( '_elementIDs' in this.contentArea )
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{
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elements = [];
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for( var i = 0; i < this.contentArea._elementIDs.length; i++ )
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{
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var elt = this.contentArea.document.getElementById( this.contentArea._elementIDs[i] );
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if (elt) {
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elements[elements.length] = elt;
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} else {
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// see bug #40329. People forget this too often, and it breaks Prefs
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dump("*** FIX ME: '_elementIDs' in '" + this.contentArea.location.href.split('/').pop() +
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"' contains a reference to a non-existent element ID '" +
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this.contentArea._elementIDs[i] + "'.\n");
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}
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}
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}
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else
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{
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elements = this.contentArea.document.getElementsByAttribute( "wsm_persist", "true" );
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}
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for( var ii = 0; ii < elements.length; ii++ )
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{
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var elementID = elements[ii].id;
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var elementType = elements[ii].localName;
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if (!(aPageTag in this.dataManager.pageData) )
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this.dataManager.pageData[aPageTag] = [];
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this.dataManager.pageData[aPageTag][elementID] = [];
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// persist attributes
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var get_Func = (elementType in this.handlers) ?
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this.handlers[elementType].get :
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this.handlers.default_handler.get;
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this.dataManager.setItemData( aPageTag, elementID, get_Func( elementID ) );
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}
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if( 'GetFields' in this.contentArea)
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{
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// save page data based on user supplied function in content area
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var dataObject = this.dataManager.getPageData( aPageTag );
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dataObject = this.contentArea.GetFields( dataObject );
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if (dataObject)
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this.dataManager.setPageData( aPageTag, dataObject );
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}
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},
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setPageData:
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function ( aPageTag )
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{
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var pageData = this.dataManager.getPageData( aPageTag );
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if( 'SetFields' in this.contentArea )
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{
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if ( !this.contentArea.SetFields( pageData ) )
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{
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// If the function returns false (or null/undefined) then it
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// doesn't want *us* to process the page data.
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return;
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}
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}
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for( var elementID in pageData )
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{
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var element = this.contentArea.document.getElementById( elementID );
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if( element )
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{
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var elementType = element.localName;
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var set_Func = (elementType in this.handlers) ?
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this.handlers[elementType].set :
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this.handlers.default_handler.set;
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set_Func( elementID, pageData[elementID] );
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}
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}
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},
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/** Widget Get/Set Function Implementations
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* These can be overridden by the client.
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**/
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generic_Set:
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function ( aElement, aDataObject )
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{
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if( aElement )
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{
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for( var property in aDataObject )
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{
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if (property == "localname")
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continue;
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if ( !aDataObject[property] && typeof aDataObject[property] == "boolean")
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aElement.removeAttribute( property );
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else
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aElement.setAttribute( property, aDataObject[property] );
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}
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if ( !aElement.getAttribute("disabled","true") )
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aElement.removeAttribute("disabled");
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}
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},
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generic_Get:
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function ( aElement )
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{
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if( aElement )
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{
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var dataObject = [];
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var wsmAttributes = aElement.getAttribute( "wsm_attributes" );
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var attributes = wsm.attributes; // make a copy
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if( wsmAttributes != "" )
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{
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attributes.push( wsmAttributes.split(" ") ); // modify the copy
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}
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for( var i = 0; i < attributes.length; i++ )
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{
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dataObject[attributes[i]] = aElement.getAttribute( attributes[i] );
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}
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dataObject.localname = aElement.localName;
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return dataObject;
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}
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return null;
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},
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// <colorpicker>
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set_Colorpicker:
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function ( aElementID, aDataObject )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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// set all generic properties
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wsm.generic_Set( element, aDataObject );
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// set colorpicker specific properties
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if( 'color' in aDataObject )
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{
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try {
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element.color = aDataObject.color;
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}
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catch (ex) {
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dump(aElementID +", ex: " + ex + "\n");
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}
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}
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},
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get_Colorpicker:
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function ( aElementID )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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// retrieve all generic attributes
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var dataObject = wsm.generic_Get( element );
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// retrieve all colorpicker specific attributes
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if( dataObject )
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{
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dataObject.color = element.color;
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return dataObject;
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}
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return null;
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},
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// <menulist>
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set_Menulist:
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function ( aElementID, aDataObject )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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// set all generic properties
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wsm.generic_Set( element, aDataObject );
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// set menulist specific properties
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if( 'value' in aDataObject )
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{
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try {
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element.value = aDataObject.value;
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}
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catch (ex) {
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dump(aElementID +", ex: " + ex + "\n");
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}
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}
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},
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get_Menulist:
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function ( aElementID )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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// retrieve all generic attributes
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var dataObject = wsm.generic_Get( element );
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// retrieve all menulist specific attributes
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if( dataObject )
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{
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dataObject.value = element.getAttribute( "value" );
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return dataObject;
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}
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return null;
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},
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// <radiogroup>
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set_Radiogroup:
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function ( aElementID, aDataObject )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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wsm.generic_Set( element, aDataObject );
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if( 'value' in aDataObject )
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{
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element.value = aDataObject.value;
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}
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if( 'disabled' in aDataObject )
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{
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element.disabled = aDataObject.disabled;
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}
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},
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get_Radiogroup:
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function ( aElementID )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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var dataObject = wsm.generic_Get( element );
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if( dataObject )
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{
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dataObject.value = element.getAttribute( "value" );
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return dataObject;
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}
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return null;
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},
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// <textbox>
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set_Textbox:
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function ( aElementID, aDataObject )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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wsm.generic_Set( element, aDataObject );
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},
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get_Textbox:
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function ( aElementID )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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var dataObject = wsm.generic_Get( element );
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if( dataObject )
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{
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dataObject.value = element.value;
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return dataObject;
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}
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return null;
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},
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// <checkbox>
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set_Checkbox:
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function ( aElementID, aDataObject )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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// Set generic properites.
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wsm.generic_Set( element, aDataObject );
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// Handle reversed boolean values.
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if ( "checked" in aDataObject && element.hasAttribute( "reversed" ) )
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element.checked = !aDataObject.checked;
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},
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get_Checkbox:
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function ( aElementID )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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var dataObject = wsm.generic_Get( element );
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if( dataObject )
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{
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var checked = element.checked;
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dataObject.checked = element.getAttribute("reversed") == "true" ? !checked : checked;
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return dataObject;
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}
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return null;
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},
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// <listitem>
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set_Listitem:
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function ( aElementID, aDataObject )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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wsm.generic_Set( element, aDataObject );
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// Handle reversed boolean values.
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if ( "checked" in aDataObject && element.hasAttribute( "reversed" ) )
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element.checked = !aDataObject.checked;
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},
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get_Listitem:
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function ( aElementID )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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var dataObject = wsm.generic_Get( element );
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if( dataObject )
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{
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if( element.getAttribute("type") == "checkbox" )
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{
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var checked = element.checked;
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dataObject.checked = element.getAttribute("reversed") == "true" ? !checked : checked;
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}
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return dataObject;
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}
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return null;
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},
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// <data>
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set_Data:
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function ( aElementID, aDataObject )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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wsm.generic_Set( element, aDataObject );
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if( 'value' in aDataObject )
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{
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element.setAttribute("value", aDataObject.value);
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}
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},
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get_Data:
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function ( aElementID )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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var dataObject = wsm.generic_Get( element );
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if( dataObject )
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{
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dataObject.value = element.getAttribute( "value" );
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return dataObject;
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}
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return null;
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},
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// <default>
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set_Default:
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function ( aElementID, aDataObject )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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wsm.generic_Set( element, aDataObject );
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},
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get_Default:
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function ( aElementID )
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{
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var element = wsm.contentArea.document.getElementById( aElementID );
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var dataObject = wsm.generic_Get( element );
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return dataObject ? dataObject : null;
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}
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}
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// M:tHoF Greatest Hits Section (Append one line per edit):
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// it will be dark soon
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// MANOS MADE ME PERMANENT!
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// there is no way out of here
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// [The Master] not dead as you know it. He is with us always.
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