gecko-dev/editor/ui/dialogs/content/EditorSaveAsCharset.js

176 lines
4.8 KiB
JavaScript

/*
* 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.
*
* Contributor(s):
* Frank Tang ftang@netscape.com
* J.M Betak jbetak@netscape.com
*/
var charset="";
var titleWasEdited = false;
var charsetWasChanged = false;
var insertNewContentType = false;
var contenttypeElement;
var initDone = false;
//Cancel() is in EdDialogCommon.js
function Startup()
{
if (!InitEditorShell())
return;
var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
observerService.notifyObservers(null, "charsetmenu-selected", "other");
doSetOKCancel(onOK, onCancel);
gDialog.TitleInput = document.getElementById("TitleInput");
gDialog.charsetTree = document.getElementById('CharsetTree');
gDialog.exportToText = document.getElementById('ExportToText');
contenttypeElement = GetHTTPEquivMetaElement("content-type");
if(!contenttypeElement && (editorShell.contentsMIMEType != 'text/plain'))
{
contenttypeElement = CreateHTTPEquivMetaElement("content-type");
if( ! contenttypeElement )
{
window.close();
return;
}
insertNewContentType = true;
}
InitDialog();
// Use the same text as the messagebox for getting title by regular "Save"
document.getElementById("EnterTitleLabel").setAttribute("value",GetString("NeedDocTitle"));
// This is an <HTML> element so it wraps -- append a child textnode
var helpTextParent = document.getElementById("TitleHelp");
var helpText = document.createTextNode(GetString("DocTitleHelp"));
if (helpTextParent)
helpTextParent.appendChild(helpText);
// SET FOCUS TO FIRST CONTROL
SetTextboxFocus(gDialog.TitleInput);
LoadAvailableCharSets();
initDone = true;
SetWindowLocation();
}
function InitDialog()
{
gDialog.TitleInput.value = editorShell.GetDocumentTitle();
charset = editorShell.GetDocumentCharacterSet();
}
function onOK()
{
editorShell.BeginBatchChanges();
if(charsetWasChanged)
{
SetMetaElementContent(contenttypeElement, "text/html; charset=" + charset, insertNewContentType);
editorShell.SetDocumentCharacterSet(charset);
}
editorShell.EndBatchChanges();
if(titleWasEdited)
window.opener.newTitle = TrimString(gDialog.TitleInput.value);
window.opener.ok = true;
window.opener.exportToText = gDialog.exportToText.checked;
SaveWindowLocation();
return true;
}
function readRDFString(aDS,aRes,aProp)
{
var n = aDS.GetTarget(aRes, aProp, true);
if (n)
return n.QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
else
return "";
}
function LoadAvailableCharSets()
{
try
{
var rdf=Components.classes["@mozilla.org/rdf/rdf-service;1"].getService(Components.interfaces.nsIRDFService);
var kNC_Root = rdf.GetResource("NC:DecodersRoot");
var kNC_name = rdf.GetResource("http://home.netscape.com/NC-rdf#Name");
var rdfDataSource = rdf.GetDataSource("rdf:charset-menu");
var rdfContainer = Components.classes["@mozilla.org/rdf/container;1"].getService(Components.interfaces.nsIRDFContainer);
rdfContainer.Init(rdfDataSource, kNC_Root);
var availableCharsets = rdfContainer.GetElements();
var charsetNode;
var selectedItem;
var item;
ClearTreelist(gDialog.charsetTree);
for (var i = 0; i < rdfContainer.GetCount(); i++)
{
charsetNode = availableCharsets.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
item = AppendStringToTreelist(gDialog.charsetTree, readRDFString(rdfDataSource, charsetNode, kNC_name));
item.firstChild.firstChild.setAttribute("value", charsetNode.Value);
if(charset == charsetNode.Value)
selectedItem = item;
}
if(selectedItem)
{
gDialog.charsetTree.selectItem(selectedItem);
gDialog.charsetTree.ensureElementIsVisible(selectedItem);
}
}
catch(e) {}
}
function SelectCharset()
{
if(initDone)
{
try
{
charset = GetSelectedTreelistAttribute(gDialog.charsetTree, "value");
if(charset != "")
charsetWasChanged = true;
}
catch(e) {}
}
}
function TitleChanged()
{
titleWasEdited = true;
}