pjs/suite/common/pref/nsPrefWindow.js

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JavaScript

/* -*- Mode: Java; tab-width: 4; c-basic-offset: 4; -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org Code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Ben "Count XULula" Goodger <ben@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
const _DEBUG = false;
/** PrefWindow IV
* =============
* This is a general page switcher and pref loader.
* =>> CHANGES MUST BE REVIEWED BY ben@netscape.com!! <<=
**/
var hPrefWindow = null;
var queuedTag;
function initPanel ( aPrefTag )
{
if( hPrefWindow )
hPrefWindow.onpageload( aPrefTag )
else
queuedTag = aPrefTag;
}
function onLoad()
{
hPrefWindow = new nsPrefWindow('panelFrame');
if (!hPrefWindow)
throw "failed to create prefwindow";
else
hPrefWindow.init();
}
function nsPrefWindow( frame_id )
{
if ( !frame_id )
throw "Error: frame_id not supplied!";
this.contentFrame = frame_id
this.wsm = new nsWidgetStateManager( frame_id );
this.wsm.attributes = ["preftype", "prefstring", "prefattribute", "disabled"];
this.pref = null;
this.chromeRegistry = null;
this.observerService= null;
this.cancelHandlers = [];
this.okHandlers = [];
// if there is a system pref switch
this.pagePrefChanged = false;
// the set of pages, which are updated after a system pref switch
this.pagePrefUpdated = [];
// set up window
this.onload();
}
nsPrefWindow.prototype =
{
onload:
function ()
{
try
{
this.pref = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefService).getBranch(null);
this.chromeRegistry = Components.classes["@mozilla.org/chrome/chrome-registry;1"].getService(Components.interfaces.nsIChromeRegistrySea);
this.observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
}
catch(e)
{
dump("*** Failed to create prefs object\n");
return;
}
},
init:
function ()
{
if( window.queuedTag )
this.onpageload( window.queuedTag );
if( window.arguments[1] )
this.openBranch( window.arguments[1], window.arguments[2] );
},
onAccept:
function ()
{
var tag = document.getElementById( hPrefWindow.contentFrame ).getAttribute("tag");
if( tag == "" )
tag = document.getElementById( hPrefWindow.contentFrame ).getAttribute("src");
hPrefWindow.wsm.savePageData( tag );
for( var i = 0; i < hPrefWindow.okHandlers.length; i++ )
try {
hPrefWindow.okHandlers[i]();
} catch (e) {
dump("some silly ok handler /*"+hPrefWindow.okHandlers[i]+"*/ failed: "+ e);
}
hPrefWindow.savePrefs();
return true;
},
onCancel:
function ()
{
for( var i = 0; i < hPrefWindow.cancelHandlers.length; i++ )
try {
hPrefWindow.cancelHandlers[i]();
} catch (e) {
dump("some silly cancel handler /*"+hPrefWindow.cancelHandlers[i]+"*/ failed: "+ e);
}
return true;
},
registerOKCallbackFunc:
function ( aFunctionReference )
{
this.okHandlers[this.okHandlers.length] = aFunctionReference;
},
registerCancelCallbackFunc:
function ( aFunctionReference )
{
this.cancelHandlers[this.cancelHandlers.length] = aFunctionReference;
},
getPrefIsLocked:
function ( aPrefString )
{
return this.pref.prefIsLocked(aPrefString);
},
getPref:
function ( aPrefType, aPrefString )
{
try
{
switch ( aPrefType )
{
case "bool":
return this.pref.getBoolPref( aPrefString );
case "int":
return this.pref.getIntPref( aPrefString );
case "localfile":
return this.pref.getComplexValue( aPrefString, Components.interfaces.nsILocalFile);
case "localizedstring":
return this.pref.getComplexValue( aPrefString, Components.interfaces.nsIPrefLocalizedString ).data;
case "color":
case "string":
default:
return this.pref.getComplexValue( aPrefString, Components.interfaces.nsISupportsString ).data;
}
}
catch (e)
{
if( _DEBUG )
{
dump("*** no default pref for " + aPrefType + " pref: " + aPrefString + "\n");
dump(e + "\n");
}
}
return "!/!ERROR_UNDEFINED_PREF!/!";
} ,
setPref:
function ( aPrefType, aPrefString, aValue )
{
try
{
switch ( aPrefType )
{
case "bool":
this.pref.setBoolPref( aPrefString, aValue );
break;
case "int":
this.pref.setIntPref( aPrefString, aValue );
break;
case "localfile":
this.pref.setComplexValue( aPrefString, Components.interfaces.nsILocalFile, aValue );
break;
case "color":
case "string":
case "localizedstring":
default:
var supportsString = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
supportsString.data = aValue;
this.pref.setComplexValue( aPrefString, Components.interfaces.nsISupportsString, supportsString );
break;
}
}
catch (e)
{
dump(e + "\n");
}
},
savePrefs:
function ()
{
for( var pageTag in this.wsm.dataManager.pageData )
{
var pageData = this.wsm.dataManager.getPageData( pageTag );
if ("initialized" in pageData && pageData.initialized)
{
if ( "elementIDs" in pageData )
pageData = pageData.elementIDs;
for( var elementID in pageData )
{
if (elementID == "initialized") continue;
var itemObject = pageData[elementID];
if (typeof(itemObject) != "object") break;
if ( "prefstring" in itemObject && itemObject.prefstring )
{
var elt = itemObject.localname;
var prefattribute = itemObject.prefattribute;
if (!prefattribute) {
if (elt == "radiogroup" || elt == "textbox" || elt == "menulist")
prefattribute = "value";
else if (elt == "checkbox" || elt == "listitem")
prefattribute = "checked";
else if (elt == "colorpicker")
prefattribute = "color";
else if (elt == "button")
prefattribute = "disabled";
}
var value = itemObject[prefattribute];
var preftype = itemObject.preftype;
if (!preftype) {
if (elt == "textbox" || elt == "colorpicker")
preftype = "string";
else if (elt == "checkbox" || elt == "listitem" || elt == "button")
preftype = "bool";
else if (elt == "radiogroup" || elt == "menulist")
preftype = "int";
}
switch( preftype )
{
case "bool":
if( value == "true" && typeof(value) == "string" )
value = true;
else if( value == "false" && typeof(value) == "string" )
value = false;
break;
case "int":
value = parseInt(value, 10);
break;
case "color":
if( toString(value) == "" )
{
dump("*** ERROR CASE: illegal attempt to set an empty color pref. ignoring.\n");
break;
}
case "string":
case "localizedstring":
default:
if( typeof(value) != "string" )
value = toString(value);
break;
}
// the pref is not saved, if the pref value is not
// changed or the pref is locked.
if( !this.getPrefIsLocked(itemObject.prefstring) &&
(value != this.getPref( preftype, itemObject.prefstring)))
this.setPref( preftype, itemObject.prefstring, value );
}
}
}
}
try
{
Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefService)
.savePrefFile(null);
}
catch (e)
{
try
{
var prefUtilBundle = document.getElementById("bundle_prefutilities");
var alertText = prefUtilBundle.getString("prefSaveFailedAlert");
var titleText = prefUtilBundle.getString("prefSaveFailedTitle");
var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
.getService(Components.interfaces.nsIPromptService);
promptService.alert(window, titleText, alertText);
}
catch (e)
{
dump(e + "\n");
}
}
},
switchPage:
function ()
{
var prefPanelTree = document.getElementById( "prefsTree" );
var selectedItem = prefPanelTree.contentView.getItemAtIndex(prefPanelTree.currentIndex);
var oldURL = document.getElementById( this.contentFrame ).getAttribute("tag");
if( !oldURL )
oldURL = document.getElementById( this.contentFrame ).getAttribute("src");
this.wsm.savePageData( oldURL ); // save data from the current page.
var newURL = selectedItem.firstChild.firstChild.getAttribute("url");
var newTag = selectedItem.firstChild.firstChild.getAttribute("tag");
if( newURL != oldURL )
{
document.getElementById( this.contentFrame ).setAttribute( "src", newURL );
if( !newTag )
document.getElementById( this.contentFrame ).removeAttribute( "tag" );
else
document.getElementById( this.contentFrame ).setAttribute( "tag", newTag );
}
},
onpageload:
function ( aPageTag )
{
var header = document.getElementById("header");
header.setAttribute("title",
window.frames[this.contentFrame].document.documentElement.getAttribute("headertitle"));
// update widgets states when it is first loaded, or there are
// system pref switch. (i.e., to refect the changed lock status).
if(!(aPageTag in this.wsm.dataManager.pageData) ||
(this.pagePrefChanged && (!(aPageTag in this.pagePrefUpdated))))
{
var prefElements = window.frames[this.contentFrame].document.getElementsByAttribute( "prefstring", "*" );
if (this.pagePrefChanged)
this.pagePrefUpdated[aPageTag] = [];
this.wsm.dataManager.getPageData( aPageTag );
for( var i = 0; i < prefElements.length; i++ )
{
var prefstring = prefElements[i].getAttribute( "prefstring" );
var prefid = prefElements[i].getAttribute( "id" );
var preftype = prefElements[i].getAttribute( "preftype" );
var elt = prefElements[i].localName;
if (!preftype) {
if (elt == "textbox" || elt == "colorpicker")
preftype = "string";
else if (elt == "checkbox" || elt == "listitem" || elt == "button")
preftype = "bool";
else if (elt == "radiogroup" || elt == "menulist")
preftype = "int";
}
var prefdefval = prefElements[i].getAttribute( "prefdefval" );
var prefattribute = prefElements[i].getAttribute( "prefattribute" );
if (!prefattribute) {
if (elt == "radiogroup" || elt == "textbox" || elt == "menulist")
prefattribute = "value";
else if (elt == "checkbox" || elt == "listitem")
prefattribute = "checked";
else if (elt == "colorpicker")
prefattribute = "color";
else if (elt == "button")
prefattribute = "disabled";
}
var prefvalue = this.getPref( preftype, prefstring );
if( prefvalue == "!/!ERROR_UNDEFINED_PREF!/!" )
prefvalue = prefdefval;
var root = this.wsm.dataManager.getItemData( aPageTag, prefid );
root[prefattribute] = prefvalue;
var isPrefLocked = this.getPrefIsLocked(prefstring);
if (isPrefLocked)
root.disabled = "true";
root.localname = prefElements[i].localName;
}
}
this.wsm.setPageData( aPageTag ); // do not set extra elements, accept hard coded defaults
if( 'Startup' in window.frames[ this.contentFrame ])
window.frames[ this.contentFrame ].Startup();
this.wsm.dataManager.pageData[aPageTag].initialized=true;
},
openBranch:
function ( aComponentName, aSelectItem )
{
var panelTree = document.getElementById( "prefsTree" );
var selectItem = document.getElementById( aSelectItem );
var selectItemroot = document.getElementById( aComponentName );
var parentIndex = panelTree.contentView.getIndexOfItem( selectItemroot );
if (parentIndex != -1 && !panelTree.view.isContainerOpen(parentIndex))
panelTree.view.toggleOpenState(parentIndex);
var index = panelTree.view.getIndexOfItem( selectItem );
if (index == -1)
return;
panelTree.view.selection.select( index );
}
};