/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * 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 Netscape are
 * Copyright (C) 1999 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s):
 */

var importService = 0;
var	fieldMap = null;

function OnLoadFieldMapExport()
{
	// top.bundle = srGetStrBundle("chrome://messenger/locale/importMsgs.properties");
	top.importService = Components.classes["component://mozilla/import/import-service"].createInstance();
	top.importService = top.importService.QueryInterface(Components.interfaces.nsIImportService);
	
	// We need a field map object...
	// assume we have one passed in? or just make one?
	if (window.arguments && window.arguments[0])
		top.fieldMap = window.arguments[0].fieldMap;
	if (!top.fieldMap) {
		top.fieldMap = top.importService.CreateNewFieldMap();	
		top.fieldMap.DefaultFieldMap( top.fieldMap.numMozFields);
	}
	
	doSetOKCancel( FieldExportOKButton, 0);

	ListFields();		
}

function SetDivText(id, text)
{
	var div = document.getElementById(id);
	
	if ( div )
	{
		if ( div.childNodes.length == 0 )
		{
			var textNode = document.createTextNode(text);
			div.appendChild(textNode);                   			
		}
		else if ( div.childNodes.length == 1 )
			div.childNodes[0].nodeValue = text;
	}
}


function FieldExportOKButton()
{
	// hmmm... can we re-build the map from the tree values?	
	return true;
}


function FieldSelectionChanged()
{
	var tree = document.getElementById('fieldList');
	if ( tree && tree.selectedItems && (tree.selectedItems.length == 1) )
	{
	}
}

function ExportSelectionChanged()
{
	var tree = document.getElementById('exportList');
	if ( tree && tree.selectedItems && (tree.selectedItems.length == 1) )
	{
	}
}


function ListFields() {
	if (top.fieldMap == null)
		return;
	
	// we should fill in the field list with the data from the field map?	
	var body = document.getElementById("fieldBody");
	var count = top.fieldMap.numMozFields;
	for (i = 0; i < count; i++) {
		AddFieldToList( body, top.fieldMap.GetFieldDescription( i), i);
	}
	
	body = document.getElementById("exportBody");
	count = top.fieldMap.mapSize;
	var index;
	for (i = 0; i < count; i++) {
		index = top.fieldMap.GetFieldMap( i);
		AddFieldToList( body, top.fieldMap.GetFieldDescription( index), index);
	}
}

function AddFieldToList(body, name, index)
{
	
	var item = document.createElement('treeitem');
	var row = document.createElement('treerow');
	var cell = document.createElement('treecell');
	cell.setAttribute('value', name);
	item.setAttribute('field-index', index);
	
	row.appendChild(cell);
	item.appendChild(row);
	body.appendChild(item);
}

function DeleteExportItems()
{
	var tree = document.getElementById('exportList');
	if ( tree && tree.selectedItems && (tree.selectedItems.length > 0) ) {
		var body = document.getElementById("exportBody");
		if (body) {
			while (tree.selectedItems.length) {
				body.removeChild( tree.selectedItems[0]);
			}
		}
	}	
}

function OnAddExport()
{
	var tree = document.getElementById('fieldList');
	if ( tree && tree.selectedItems && (tree.selectedItems.length > 0) ) {
		var body = document.getElementById("exportBody");
		if (body) {
			var name;
			var fIndex;
			for (var index = 0; index < tree.selectedItems.length; index++) {
				name = tree.selectedItems[index].firstChild.firstChild.getAttribute( 'value');
				fIndex = tree.selectedItems[index].getAttribute( 'field-index');
				AddFieldToList( body, name, fIndex);
			}
		}
	}	
}

function OnAddAllExport()
{
	var body = document.getElementById("exportBody");
	var count = top.fieldMap.numMozFields;
	for (var i = 0; i < count; i++) {
		AddFieldToList( body, top.fieldMap.GetFieldDescription( i), i);
	}
}