gecko-dev/browser/components/prefwindow/content/nsPrefWindow.js

390 строки
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JavaScript

/* -*- Mode: Java; tab-width: 4; c-basic-offset: 4; -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*
* Contributor(s):
* Ben "Count XULula" Goodger <ben@netscape.com>
*/
const _DEBUG = false;
/** PrefWindow IV
* =============
* This is a general page switcher and pref loader.
* =>> CHANGES MUST BE REVIEWED BY ben@netscape.com!! <<=
**/
var queuedTag;
function initPanel ( aPrefTag )
{
if( hPrefWindow )
hPrefWindow.onpageload( aPrefTag )
else
queuedTag = aPrefTag;
}
window.doneLoading = false;
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.cancelHandlers = [];
this.okHandlers = [];
// set up window
this.onload();
}
nsPrefWindow.prototype =
{
onload:
function ()
{
try
{
this.pref = Components.classes["@mozilla.org/preferences;1"].getService(Components.interfaces.nsIPref);
}
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] );
},
onOK:
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++ )
{
hPrefWindow.okHandlers[i]();
}
hPrefWindow.savePrefs();
},
onCancel:
function ()
{
for( var i = 0; i < hPrefWindow.cancelHandlers.length; i++ )
{
hPrefWindow.cancelHandlers[i]();
}
},
registerOKCallbackFunc:
function ( aFunctionReference )
{
this.okHandlers[this.okHandlers.length] = aFunctionReference;
},
registerCancelCallbackFunc:
function ( aFunctionReference )
{
this.cancelHandlers[this.cancelHandlers.length] = aFunctionReference;
},
getPrefIsLocked:
function ( aPrefString )
{
return hPrefWindow.pref.PrefIsLocked(aPrefString);
},
getPref:
function ( aPrefType, aPrefString, aDefaultFlag )
{
var pref = hPrefWindow.pref;
try
{
switch ( aPrefType )
{
case "bool":
return !aDefaultFlag ? pref.GetBoolPref( aPrefString ) : pref.GetDefaultBoolPref( aPrefString );
case "int":
return !aDefaultFlag ? pref.GetIntPref( aPrefString ) : pref.GetDefaultIntPref( aPrefString );
case "localizedstring":
return pref.getLocalizedUnicharPref( aPrefString );
case "color":
case "string":
default:
return !aDefaultFlag ? pref.CopyUnicharPref( aPrefString ) : pref.CopyDefaultUnicharPref( aPrefString );
}
}
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":
hPrefWindow.pref.SetBoolPref( aPrefString, aValue );
break;
case "int":
hPrefWindow.pref.SetIntPref( aPrefString, aValue );
break;
case "color":
case "string":
case "localizedstring":
default:
hPrefWindow.pref.SetUnicharPref( aPrefString, aValue );
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)
{
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")
prefattribute = "checked";
else if (elt == "button")
prefattribute = "disabled";
}
var value = itemObject[prefattribute];
var preftype = itemObject.preftype;
if (!preftype) {
if (elt == "textbox")
preftype = "string";
else if (elt == "checkbox" || 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);
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;
}
if( value != this.getPref( preftype, itemObject.prefstring ) )
{
this.setPref( preftype, itemObject.prefstring, value );
}
}
}
}
}
try
{
this.pref.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"));
if( !(aPageTag in this.wsm.dataManager.pageData) )
{
var prefElements = window.frames[this.contentFrame].document.getElementsByAttribute( "prefstring", "*" );
this.wsm.dataManager.pageData[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")
preftype = "string";
else if (elt == "checkbox" || 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")
prefattribute = "checked";
else if (elt == "button")
prefattribute = "disabled";
}
var prefvalue;
switch( preftype )
{
case "bool":
prefvalue = this.getPref( preftype, prefstring );
break;
case "int":
prefvalue = this.getPref( preftype, prefstring );
break;
case "string":
case "localizedstring":
case "color":
default:
prefvalue = this.getPref( preftype, prefstring );
break;
}
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.treeBoxObject.selection.select( index );
}
};