gecko-dev/mailnews/base/resources/content/widgetglue.js

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * The contents of this file are subject to the Netscape 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/NPL/
 * 
 * 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 Communicator client code, released
 * March 31, 1998.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation. Portions created by Netscape are
 * Copyright (C) 1998-1999 Netscape Communications Corporation. All
 * Rights Reserved.
 */

/*
 * widget-specific wrapper glue. There should be one function for every
 * widget/menu item, which gets some context (like the current selection)
 * and then calls a function/command in commandglue
 */
 
//The eventual goal is for this file to go away and its contents to be brought into
//mailWindowOverlay.js.  This is currently being done.

//NOTE: gMessengerBundle must be defined and set or this Overlay won't work

function ConvertDOMListToResourceArray(nodeList)
{
    var result = Components.classes["@mozilla.org/supports-array;1"].createInstance(Components.interfaces.nsISupportsArray);

    for (var i=0; i<nodeList.length; i++) {
        result.AppendElement(nodeList[i].resource);
    }

    return result;
}

function GetSelectedFolderURI()
{
	var uri = null;
	var selectedFolder = null;
	try {
		var folderTree = GetFolderTree(); 
		var selectedFolderList = folderTree.selectedItems;
	
		//  you can only select one folder / server to add new folder / subscribe to
		if (selectedFolderList.length == 1) {
			selectedFolder = selectedFolderList[0];
		}
		else {
			//dump("number of selected folder was " + selectedFolderList.length + "\n");
		}
	}
	catch (ex) {
		// dump("failed to get the selected folder\n");
		uri = null;
	}

	try {
       		if (selectedFolder) {
			uri = selectedFolder.getAttribute('id');
			// dump("folder to preselect: " + preselectedURI + "\n");
		}
	}
	catch (ex) {
		uri = null;
	}

	return uri;
}
 

function MsgRenameFolder() 
{
	var preselectedURI = GetSelectedFolderURI();
	var folderTree = GetFolderTree();

	var name = GetFolderNameFromUri(preselectedURI, folderTree);

	dump("preselectedURI = " + preselectedURI + "\n");
	var dialog = window.openDialog(
	             "chrome://messenger/content/renameFolderDialog.xul",
	             "newFolder",
	             "chrome,titlebar,modal",
	             {preselectedURI: preselectedURI, 
	              okCallback: RenameFolder, name: name});
}

function RenameFolder(name,uri)
{
    dump("uri,name = " + uri + "," + name + "\n");
    var folderTree = GetFolderTree();
    if (folderTree)
    {
	if (uri && (uri != "") && name && (name != "")) {
                var selectedFolder = GetResourceFromUri(uri);
                try
                {
                    messenger.RenameFolder(GetFolderDatasource(), selectedFolder, name);
                }
                catch(e)
                {
                    throw(e); // so that the dialog does not automatically close
                    dump ("Exception : RenameFolder \n");
                }

                ClearThreadPane();
                ClearMessagePane();
                folderTree.clearItemSelection();
        }
        else {
                dump("no name or nothing selected\n");
        }   
    }
    else {
	dump("no folder tree\n");
    }
}

function MsgEmptyTrash() 
{
    var tree = GetFolderTree();
    if (tree)
    {
        var folderList = tree.selectedItems;
        if (folderList)
        {
            var folder;
            folder = folderList[0];
            if (folder)
			{
                var trashUri = GetSelectTrashUri(folder);
                if (trashUri)
                {
                    var trashElement = document.getElementById(trashUri);
                    if (trashElement)
                    {
                        dump ('found trash folder\n');
                        trashElement.setAttribute('open','');
                    }
                    var trashSelected = IsSpecialFolderSelected(MSG_FOLDER_FLAG_TRASH);
                    if(trashSelected)
                    {
                        tree.clearItemSelection();
                    }
                    try {
                          messenger.EmptyTrash(tree.database, folder.resource);
                      }
                      catch(e)
                       {  
                          dump ("Exception : messenger.EmptyTrash \n");
                       }
                    if (trashSelected)
                    {
                        trashElement = document.getElementById(trashUri);
                        if (trashElement)
                            ChangeSelection(tree, trashElement);
                    }
                }
			}
        }
    }
}

function MsgCompactFolder(isAll) 
{
	//get the selected elements
	var tree = GetFolderTree();
    if (tree)
    {
        var folderList = tree.selectedItems;
        if (folderList)
        {
            var folder = folderList[0];
            if (folder)
            {
                dump("folder = " + folder.localName + "\n"); 
                var selectedFolderUri = folder.getAttribute('id');
                var isImap=false;
                if (selectedFolderUri.indexOf("imap:") != -1)
                  isImap = true;
                if (!isImap)  //can be local only
                {
                  var resource = RDF.GetResource(selectedFolderUri);
                  var msgfolder = resource.QueryInterface(Components.interfaces.nsIMsgFolder);
                  var expungedBytes = msgfolder.expungedBytes;

                  if (expungedBytes > 0)
                  { 
                    if (gDBView)
                      gCurrentlyDisplayedMessage = gDBView.currentlyDisplayedMessage;
                    ClearThreadPaneSelection();
                    ClearThreadPane();
                    ClearMessagePane();
                  }
                  else
                  {
                     if (!isAll)  //you have one local folder with no room to compact
                       return;
                  }
                } 
                try
                {
                  messenger.CompactFolder(tree.database, folder.resource, isAll);
                }
                catch(e)
                {
                  dump ("Exception : messenger.CompactFolder \n");
                }
             }
	     }
    }
}

function MsgFolderProperties() 
{
	var preselectedURI = GetSelectedFolderURI();
	var serverType = GetMsgFolderFromUri(preselectedURI).server.type;
	var folderTree = GetFolderTree();

	var name = GetFolderNameFromUri(preselectedURI, folderTree);

	var windowTitle = gMessengerBundle.getString("folderProperties");
	var dialog = window.openDialog(
                    "chrome://messenger/content/folderProps.xul",
                    "",
                    "chrome,centerscreen,titlebar,modal",
                    {preselectedURI:preselectedURI, serverType:serverType,
					msgWindow:msgWindow, title:windowTitle,
                    okCallback:FolderProperties, 
                    tabID:"", tabIndex:0, name:name});
}

function FolderProperties(name, uri)
{
}

function MsgToggleMessagePane()
{
	//OnClickThreadAndMessagePaneSplitter is based on the value before the splitter is toggled.
	OnClickThreadAndMessagePaneSplitterGrippy();
  MsgToggleSplitter("threadpane-splitter");
}

function MsgToggleFolderPane()
{
    MsgToggleSplitter("sidebarsplitter");
}

function MsgToggleSplitter(id)
{
    var splitter = document.getElementById(id);
    var state = splitter.getAttribute("state");
    if (state == "collapsed")
        splitter.setAttribute("state", null);
    else
        splitter.setAttribute("state", "collapsed")
}


function NotifyQuitApplication()
{
	var ObserverService = Components.classes["@mozilla.org/observer-service;1"].getService();
	ObserverService = ObserverService.QueryInterface(Components.interfaces.nsIObserverService);
	if (ObserverService)
	{
		try 
		{
			ObserverService.Notify(null, "quit-application", null);
		} 
		catch (ex) 
		{
			// dump("no observer found \n");
		}
	}
}

function LastToClose()
{
	var windowManager = Components.classes['@mozilla.org/rdf/datasource;1?name=window-mediator'].getService();
	var	windowManagerInterface = windowManager.QueryInterface( Components.interfaces.nsIWindowMediator);
	var enumerator = windowManagerInterface.getEnumerator( null );
    var count = 0;

	while ( enumerator.hasMoreElements() && count < 2 )
	{
		var  windowToClose = enumerator.getNext();
        count++;
    }
    if (count == 1)
        return true;
    else
        return false;
}

function MsgSetFolderCharset() 
{
  MsgFolderProperties() 
}