pjs/toolkit/obsolete/content/widgetStateManager.js

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JavaScript

/* -*- Mode: Java; tab-width: 2; c-basic-offset: 2; -*-
*
* 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>
* Alec Flett <alecf@netscape.com>
*/
/** class WizardStateManager ( string frame_id, object pageMap )
* - purpose: object for managing data in iframe multi-panel dialogs.
* - in: string frame id/name set of iframe, pageMap showing navigation of wizard
* - out: nothing (object)
**/
function WidgetStateManager( frame_id, panelPrefix, panelSuffix )
{
// data members
/**
* hash table for data values:
* page1 => id1 => value1
* page1 => id2 => value2
* page2 => id1 => value1
* page2 => id2 => value2
**/
this.PageData = [];
this.content_frame = window.frames[frame_id];
this.panelPrefix = ( panelPrefix ) ? panelPrefix : null;
this.panelSuffix = ( panelSuffix ) ? panelSuffix : null;
// member functions
this.SavePageData = WSM_SavePageData;
this.SetPageData = WSM_SetPageData;
this.PageIsValid = WSM_PageIsValid;
this.GetTagFromURL = WSM_GetTagFromURL;
this.GetURLFromTag = WSM_GetURLFromTag;
this.toString = WSM_toString;
this.AddAttributes = WSM_AddAttributes;
this.ElementIsIgnored = WSM_ElementIsIgnored;
this.HasValidElements = WSM_HasValidElements;
this.LookupElement = WSM_LookupElement;
this.GetDataForTag = WSM_GetDataForTag;
this.SetDataForTag = WSM_SetDataForTag;
}
/** void SavePageData() ;
* - purpose: retrieves form/widget data from a generic page stored in a frame.
* - useful for retrieving and persisting wizard/prefs page data that
* - has not been added to permanent storage.
* - for full reference, please refer to user manual at:
* - http://www.mozilla.org/xpapps/ui/wizards.html
* - in: nothing
* - out: nothing
**/
function WSM_SavePageData( currentPageTag, optAttributes, exclElements, inclElements )
{
// 11/26/99: changing this to support the saving of an optional number of extra
// attributes other than the default value. these attributes are specified as
// strings in an array passed in as the second parameter. these values are stored
// in the table associated with the element:
//
// this.wsm.PageData[pageTag][element][id] - id of element (default)
// this.wsm.PageData[pageTag][element][value] - value of element (default)
// this.wsm.PageData[pageTag][element][foo] - optional attribute (default)
// 11/27/99: changing this to support the exclusion of specified elements.
// typically this is includes fieldsets, legends and labels. These are default
// and do not need to be passed.
if( !currentPageTag )
currentPageTag = this.GetTagFromURL( this.content_frame.location.href, this.panelPrefix, this.panelSuffix, true );
var doc = this.content_frame.document;
var thisTagData = this.GetDataForTag(currentPageTag);
if( this.content_frame.GetFields ) {
// user GetFields function
this.SetDataForTag(currentPageTag, this.content_frame.GetFields());
var string = "";
for( var i in thisTagData )
{
string += "element: " + i + "\n";
}
}
else if (doc && doc.controls) {
var fields = doc.controls;
var data = [];
for( i = 0; i < fields.length; i++ )
{
data[i] = [];
var formElement = fields[i];
var elementEntry = thisTagData[formElement.id] = [];
// check to see if element is excluded
if( !this.ElementIsIgnored( formElement, exclElements ) )
elementEntry.excluded = false;
else
elementEntry.excluded = true;
if( formElement.localName.toLowerCase() == "select" ) { // select & combo
/* commenting out until select fields work properly, or someone tells me how
to do this (also, is it better to store .value, or .text?):*/
if( formElement.getAttribute("multiple") ) {
// multiple selections
for( var j = 0, idx = 0; j < formElement.options.length; j++ )
{
if( formElement.options[j].selected ) {
elementEntry.value[idx] = formElement.options[j].value;
idx++;
}
}
}
else {
// single selections
if (formElement.options[formElement.selectedIndex]) {
var value = formElement.options[formElement.selectedIndex].value;
dump("*** VALUE=" + value + "\n");
formElement.arbitraryvalue = value;
this.AddAttributes( formElement, elementEntry, "arbitraryvalue", optAttributes );
this.AddAttributes( formElement, elementEntry, "value", optAttributes);
}
}
}
else if( formElement.getAttribute("type") &&
( formElement.type.toLowerCase() == "checkbox" ||
formElement.type.toLowerCase() == "radio" ) ) {
// XXX 11/04/99
this.AddAttributes( formElement, elementEntry, "checked", optAttributes );
}
else if( formElement.type == "text" &&
formElement.getAttribute( "datatype" ) == "nsIFileSpec" &&
formElement.value ) {
try {
var filespec = Components.classes["@mozilla.org/filespec;1"].createInstance();
filespec = filespec.QueryInterface( Components.interfaces.nsIFileSpec );
}
catch(e) {
dump("*** Failed to create filespec object\n");
}
filespec.nativePath = formElement.value;
this.AddAttributes( formElement, elementEntry, "filespec", optAttributes )
}
else
this.AddAttributes( formElement, elementEntry, "value", optAttributes ); // generic
elementEntry.id = formElement.id;
elementEntry.localName = formElement.localName;
// save the type attribute on the element if one is present
elementEntry.elType = ( formElement.type ) ? formElement.type : null;
}
}
if( !this.HasValidElements( thisTagData ) )
thisTagData.noData = true; // page has no (valid) elements
}
/** void SetPageData() ;
* - purpose: populates the loaded page with appropriate data from the data
* - table.
* - for full reference, please refer to user manual at:
* - http://www.mozilla.org/xpapps/ui/wizards.html
* - in: nothing.
* - out: nothing.
**/
function WSM_SetPageData( currentPageTag, hasExtraAttributes )
{
if( !currentPageTag )
currentPageTag = this.GetTagFromURL( this.content_frame.location.href, this.panelPrefix, this.panelSuffix, true );
var doc = this.content_frame.document;
var thisTagData = this.GetDataForTag(currentPageTag);
if ( thisTagData && !thisTagData.nodata) {
for( var i in thisTagData ) {
if( thisTagData[i].excluded || !i )
continue; // element is excluded, goto next
var id = thisTagData[i].id;
var value = thisTagData[i].value;
dump("*** id & value: " + id + " : " + value + "\n");
if( this.content_frame.SetFields && !hasExtraAttributes )
this.content_frame.SetFields( id, value ); // user provided setfields
else if( this.content_frame.SetFields && hasExtraAttributes )
this.content_frame.SetFields( id, value, thisTagData[i]); // SetFields + attrs
else { // automated data provision
var formElement = doc.getElementById( i );
if( formElement && hasExtraAttributes ) { // if extra attributes are set, set them
for( var attName in thisTagData[i] )
{
// for each attribute set for this element
if( attName == "value" || attName == "id" )
continue; // don't set value/id (value = default, id = dangerous)
var attValue = thisTagData[i][attName];
formElement.setAttribute( attName, attValue );
}
}
// default "value" attributes
if( formElement && formElement.localName.toLowerCase() == "input" ) {
if( formElement.type.toLowerCase() == "checkbox" ||
formElement.type.toLowerCase() == "radio" ) {
if( value == undefined )
formElement.checked = formElement.defaultChecked;
else
formElement.checked = value;
/* oops.. appears we've reimplemented 'reversed'. this will be why its not working for alecf.
if( formElement.getAttribute( "reversed" ) )
formElement.checked = !value;
else
formElement.checked = value;
*/
}
else if( formElement.type.toLowerCase() == "text" &&
formElement.getAttribute( "datatype" ) == "nsIFileSpec" ) {
// formElement has something to do with fileSpec. looked important
if( value ) {
var filespec = value.QueryInterface( Components.interfaces.nsIFileSpec );
try {
formElement.value = filespec.nativePath;
}
catch( ex ) {
dump("Still need to fix uninitialized filespec problem!\n");
}
}
else
formElement.value = formElement.defaultValue;
}
else { // some other type of form element
if( value == undefined )
formElement.value = formElement.defaultValue;
else
formElement.value = value;
}
}
else if( formElement && formElement.localName.toLowerCase() == "select" ) {
/* commenting this out until select widgets work properly */
if( formElement.getAttribute("multiple") &&
typeof(value) == "object" ) {
// multiple selected items
for( var j = 0; j < value.length; j++ )
{
for ( var k = 0; k < formElement.options.length; k++ )
{
if( formElement.options[k].value == value[j] )
formElement.options[k].selected = true;
}
}
}
else {
// single selected item
for ( k = 0; k < formElement.options.length; k++ )
{
dump("*** value=" + value + "; options[k].value=" + formElement.options[k].value + "\n");
if( formElement.options[k].value == value )
formElement.options[k].selected = true;
}
}
}
else if( formElement && formElement.localName.toLowerCase() == "textarea" )
formElement.value = value;
}
}
}
// initialize the pane
if (this.content_frame.onInit) {
dump("Calling custom onInit()\n");
this.content_frame.onInit();
}
}
/** boolean PageIsValid()
* - purpose: returns whether the given page is in a valid state
* - in:
* - out:
*/
function WSM_PageIsValid()
{
if( this.content_frame.validate )
return this.content_frame.validate();
// page is valid by default
return true;
}
/** string GetTagFromURL( string tag, string prefix, string postfix ) ;
* - 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 WSM_GetTagFromURL( url, prefix, suffix, mode )
{
// NOTE TO SELF: this is an accident WAITING to happen
if (!prefix) return undefined;
if( mode )
return url.substring( prefix.length, url.lastIndexOf(suffix) );
else
return url.substring( url.lastIndexOf(prefix) + 1, url.lastIndexOf(suffix) );
}
/** string GetUrlFromTag( string tag, string prefix, string postfix ) ;
* - 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 WSM_GetURLFromTag( tag, prefix, postfix )
{
return prefix + tag + postfix;
}
/** string toString() ;
* - purpose: returns a string representation of the object
* - in: nothing;
* - out: nothing;
**/
function WSM_toString()
{
var string = "";
for( var i in this.PageData ) {
for( var j in this.PageData[i] ) {
for( var k in this.PageData[i][j] ) {
string += "WSM.PageData[" + i + "][" + j + "][" + k + "] : " + this.PageData[i][j][k] + ";\n";
}
}
}
return string;
}
/** void AddAttributes( DOMElement formElement, AssocArray elementEntry,
String valueAttribute, StringArray optAttributes ) ;
* - purpose: adds name/value entries to associative array.
* - in: formElement - element to add attributes from
* - elementEntry - the associative array to add data to
* - valueAttribute - string representing which attribute represents
* - value (e.g. "value", "checked")
* - optAttributes - array of extra attributes to store.
* - out: nothing;
**/
function WSM_AddAttributes( formElement, elementEntry, valueAttribute, optAttributes )
{
// 07/01/00 adding in a reversed thing here for alecf's ultra picky mail prefs :P:P
if( formElement.getAttribute("reversed") )
elementEntry.value = !formElement[valueAttribute]; // get the value (e.g. "checked")
else
elementEntry.value = formElement[valueAttribute]; // get the value (e.g. "checked")
if( optAttributes ) { // if we've got optional attributes, add em
for(var k = 0; k < optAttributes.length; k++ )
{
attValue = formElement.getAttribute( optAttributes[k] );
if( attValue )
elementEntry[optAttributes[k]] = attValue;
}
}
}
/** string ElementIsIgnored( DOMElement element, StringArray exclElements ) ;
* - purpose: check to see if the current element is one of the ignored elements
* - in: element - element to check,
* - exclElements - array of string ignored attribute localNames;
* - out: boolean if element is ignored (true) or not (false);
**/
function WSM_ElementIsIgnored( element, exclElements )
{
if (!exclElements) return false;
for( var i = 0; i < exclElements.length; i++ )
{
if( element.localName.toLowerCase() == exclElements[i] )
return true;
}
return false;
}
/** string HasValidElements( AssocArray dataStore ) ;
* - purpose: checks to see if there are any elements on this page that are
* - valid.
* - in: associative array representing the page;
* - out: boolean whether or not valid elements are present (true) or not (false);
**/
function WSM_HasValidElements( dataStore )
{
for( var i in dataStore )
{
if( !dataStore[i].excluded )
return true;
}
return false;
}
function WSM_LookupElement( element, lookby, property )
{
for(var i in this.PageData )
{
for( var j in this.PageData[i] )
{
if(!lookby)
lookby = "id"; // search by id by default
if( j[lookby] == element && !property )
return j;
else if( j[lookby] == element ) {
var container = [];
for( var k = 0; k < property.length; k++ )
{
container[k] = this.PageData[i][k][property[k]];
}
return container; // only support one single match per hash just now
}
}
}
return undefined;
}
/**
* array GetDataForTag(string tag)
* - purpose: to get the array associated with this tag
* creates the array if one doesn't already exist
* - in: tag
* - out: the associative array for this page
*/
function WSM_GetDataForTag(tag) {
if (!this.PageData[tag])
this.PageData[tag] = [];
return this.PageData[tag];
}
function WSM_SetDataForTag(tag, data) {
this.PageData[tag] = data;
}
/* it will be dark soon */