gecko/editor/ui/dialogs/content/EdNamedAnchorProps.js

198 lines
5.9 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
var gInsertNew = true;
var gAnchorElement = null;
var gOriginalName = "";
const kTagName = "anchor";
// dialog initialization code
function Startup()
{
var editor = GetCurrentEditor();
if (!editor)
{
window.close();
return;
}
gDialog.OkButton = document.documentElement.getButton("accept");
gDialog.NameInput = document.getElementById("nameInput");
// Get a single selected element of the desired type
gAnchorElement = editor.getSelectedElement(kTagName);
if (gAnchorElement) {
// We found an element and don't need to insert one
gInsertNew = false;
// Make a copy to use for AdvancedEdit
globalElement = gAnchorElement.cloneNode(false);
gOriginalName = ConvertToCDATAString(gAnchorElement.name);
} else {
gInsertNew = true;
// We don't have an element selected,
// so create one with default attributes
gAnchorElement = editor.createElementWithDefaults(kTagName);
if (gAnchorElement) {
// Use the current selection as suggested name
var name = GetSelectionAsText();
// Get 40 characters of the selected text and don't add "...",
// replace whitespace with "_" and strip non-word characters
name = ConvertToCDATAString(TruncateStringAtWordEnd(name, 40, false));
//Be sure the name is unique to the document
if (AnchorNameExists(name))
name += "_"
// Make a copy to use for AdvancedEdit
globalElement = gAnchorElement.cloneNode(false);
globalElement.setAttribute("name",name);
}
}
if(!gAnchorElement)
{
dump("Failed to get selected element or create a new one!\n");
window.close();
return;
}
InitDialog();
DoEnabling();
SetTextboxFocus(gDialog.NameInput);
SetWindowLocation();
}
function InitDialog()
{
gDialog.NameInput.value = globalElement.getAttribute("name");
}
function ChangeName()
{
if (gDialog.NameInput.value.length > 0)
{
// Replace spaces with "_" and strip other non-URL characters
// Note: we could use ConvertAndEscape, but then we'd
// have to UnEscapeAndConvert beforehand - too messy!
gDialog.NameInput.value = ConvertToCDATAString(gDialog.NameInput.value);
}
DoEnabling();
}
function DoEnabling()
{
var enable = gDialog.NameInput.value.length > 0;
SetElementEnabled(gDialog.OkButton, enable);
SetElementEnabledById("AdvancedEditButton1", enable);
}
function AnchorNameExists(name)
{
var anchorList;
try {
anchorList = GetCurrentEditor().document.anchors;
} catch (e) {}
if (anchorList) {
for (var i = 0; i < anchorList.length; i++) {
if (anchorList[i].name == name)
return true;
}
}
return false;
}
// Get and validate data from widgets.
// Set attributes on globalElement so they can be accessed by AdvancedEdit()
function ValidateData()
{
var name = TrimString(gDialog.NameInput.value);
if (!name)
{
ShowInputErrorMessage(GetString("MissingAnchorNameError"));
SetTextboxFocus(gDialog.NameInput);
return false;
} else {
// Replace spaces with "_" and strip other characters
// Note: we could use ConvertAndEscape, but then we'd
// have to UnConverAndEscape beforehand - too messy!
name = ConvertToCDATAString(name);
if (gOriginalName != name && AnchorNameExists(name))
{
ShowInputErrorMessage(GetString("DuplicateAnchorNameError").replace(/%name%/,name));
SetTextboxFocus(gDialog.NameInput);
return false;
}
globalElement.name = name;
}
return true;
}
function onAccept()
{
if (ValidateData())
{
if (gOriginalName != globalElement.name)
{
var editor = GetCurrentEditor();
editor.beginTransaction();
try {
// "false" = don't delete selected text when inserting
if (gInsertNew)
{
// We must insert element before copying CSS style attribute,
// but we must set the name else it won't insert at all
gAnchorElement.name = globalElement.name;
editor.insertElementAtSelection(gAnchorElement, false);
}
// Copy attributes to element we are changing or inserting
editor.cloneAttributes(gAnchorElement, globalElement);
} catch (e) {}
editor.endTransaction();
}
SaveWindowLocation();
return true;
}
return false;
}