pjs/xpfe/global/resources/content/wizardManager.js

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JavaScript
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/* -*- 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 <rgoodger@ihug.co.nz>
*/
/** class WizardManager( string frame_id, string tagURLPrefix,
* string tagURLPostfix, object wizardMap ) ;
* purpose: class for managing the state of a generic wizard
* in: string frame_id content frame id/name
* string tagURLPrefix prefix root of wizard pages
* string tagURLPostfix extension suffix of wizard pages (e.g. ".xul")
* object wizardMap navigation map object
* out: nothing.
**/
function WizardManager( frame_id, tagURLPrefix, tagURLPostfix, wizardMap )
{
// current page
this.currentPageTag = null;
// data grid of navigable pages
this.wizardMap = ( wizardMap ) ? wizardMap : null;
// current page
this.currentPageNumber = 0;
// flag to signify no page-change occurred.
this.firstTime = true; // was false, let's see what this does. o_O
// frame which holds data
this.content_frame = document.getElementById( frame_id );
// wizard state manager
this.WSM = new WidgetStateManager( frame_id );
// wizard button handler set
this.WHANDLER = new WizardHandlerSet( this.WSM, this );
// url handling
this.URL_PagePrefix = ( tagURLPrefix ) ? tagURLPrefix : null;
this.URL_PagePostfix = ( tagURLPostfix ) ? tagURLPrefix : null;
// string bundle
this.bundle = srGetStrBundle("chrome://global/locale/wizardManager.properties");
this.LoadPage = WM_LoadPage;
this.GetURLFromTag = WM_GetURLFromTag;
this.GetTagFromURL = WM_GetTagFromURL;
this.SetHandlers = WM_SetHandlers;
this.SetPageData = WM_SetPageData;
this.SavePageData = WM_SavePageData;
this.ProgressUpdate = WM_ProgressUpdate;
this.GetMapLength = WM_GetMapLength;
// set up handlers from wizard overlay
// #include chrome://global/content/wizardOverlay.js
doSetWizardButtons( this );
}
/** void LoadPage( string page ) ;
* purpose: loads a page into the content frame
* in: string page tag referring to the complete file name of the current page
* string frame_id optional supply of page frame, if content_frame is not
* defined
* out: boolean success indicator.
**/
function WM_LoadPage( pageURL, absolute )
{
if( pageURL != "" )
{
if ( this.firstTime && !absolute )
this.ProgressUpdate( this.currentPageNumber );
// 1.1: REMOVED to fix no-field-page-JS error bug. reintroduce if needed.
// if ( !this.firstTime )
// this.WSM.SavePageData( this.content_frame );
// build a url from a tag, or use an absolute url
if( !absolute ) {
var src = this.GetURLFromTag( pageURL );
} else {
src = pageURL;
}
if( this.content_frame )
this.content_frame.setAttribute("src", src);
else
return false;
this.firstTime = false;
return true;
}
return false;
}
/** string GetUrlFromTag( string tag ) ;
* - purpose: creates a complete URL based on a tag.
* - in: string tag representing the specific page to be loaded
* - out: string url representing the complete location of the page.
**/
function WM_GetURLFromTag( tag )
{
return this.URL_PagePrefix + tag + this.URL_PagePostfix;
}
/** string GetTagFromURL( string tag ) ;
* - purpose: fetches a tag from a URL
* - in: string url representing the complete location of the page.
* - out: string tag representing the specific page to be loaded
**/
function WM_GetTagFromURL( url )
{
return url.substring(this.URL_PagePrefix.length, this.URL_PagePostfix.length);
}
// SetHandlers pass-through for setting wizard button handlers easily
function WM_SetHandlers( onNext, onBack, onFinish, onCancel, onPageLoad, enablingFunc )
{
this.WHANDLER.SetHandlers( onNext, onBack, onFinish, onCancel, onPageLoad, enablingFunc );
}
// SetPageData pass-through
function WM_SetPageData()
{
this.WSM.SetPageData();
}
// SavePageData pass-through
function WM_SavePageData()
{
this.WSM.SavePageData();
}
/** int GetMapLength()
* - purpose: returns the number of pages in the wizardMap
* - in: nothing
* - out: integer number of pages in wizardMap
**/
function WM_GetMapLength()
{
var count = 0;
for ( i in this.wizardMap )
count++;
return count;
}
/** void ProgressUpdate ( int currentPageNumber );
* - purpose: updates the "page x of y" display if available
* - in: integer representing current page number.
* - out: nothing
**/
function WM_ProgressUpdate( currentPageNumber )
{
var statusbar = document.getElementById ( "status" );
if ( statusbar ) {
var string;
try {
string = this.bundle.formatStringFromName("oflabel",
[currentPageNumber+1,
this.GetMapLength()], 2);
} catch (e) {
string = "";
}
statusbar.setAttribute( "progress", string );
}
}