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

321 lines
9.3 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):
* Pete Collins
* Brian King
* Ben Goodger
* Charles Manske (cmanske@netscape.com)
* Neil Rashbrook (neil@parkwaycc.co.uk)
*
* 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 gAnchorElement = null;
var gOriginalHref = "";
var gHNodeArray = {};
// dialog initialization code
function Startup()
{
var editor = GetCurrentEditor();
if (!editor)
{
window.close();
return;
}
ImageStartup();
gDialog.hrefInput = document.getElementById("hrefInput");
gDialog.makeRelativeLink = document.getElementById("MakeRelativeLink");
gDialog.showLinkBorder = document.getElementById("showLinkBorder");
gDialog.linkTab = document.getElementById("imageLinkTab");
// Get a single selected image element
var tagName = "img";
if ("arguments" in window && window.arguments[0])
{
imageElement = window.arguments[0];
// We've been called from form field propertes, so we can't insert a link
gDialog.linkTab.parentNode.removeChild(gDialog.linkTab);
gDialog.linkTab = null;
}
else
{
// First check for <input type="image">
try {
imageElement = editor.getSelectedElement("input");
if (!imageElement || imageElement.getAttribute("type") != "image") {
// Get a single selected image element
imageElement = editor.getSelectedElement(tagName);
if (imageElement)
gAnchorElement = editor.getElementOrParentByTagName("href", imageElement);
}
} catch (e) {}
}
if (imageElement)
{
// We found an element and don't need to insert one
if (imageElement.hasAttribute("src"))
{
gInsertNewImage = false;
gActualWidth = imageElement.naturalWidth;
gActualHeight = imageElement.naturalHeight;
}
}
else
{
gInsertNewImage = true;
// We don't have an element selected,
// so create one with default attributes
try {
imageElement = editor.createElementWithDefaults(tagName);
} catch(e) {}
if (!imageElement)
{
dump("Failed to get selected element or create a new one!\n");
window.close();
return;
}
try {
gAnchorElement = editor.getSelectedElement("href");
} catch (e) {}
}
// Make a copy to use for AdvancedEdit
globalElement = imageElement.cloneNode(false);
// We only need to test for this once per dialog load
gHaveDocumentUrl = GetDocumentBaseUrl();
InitDialog();
if (gAnchorElement)
gOriginalHref = gAnchorElement.getAttribute("href");
gDialog.hrefInput.value = gOriginalHref;
FillLinkMenulist(gDialog.hrefInput, gHNodeArray);
ChangeLinkLocation();
// Save initial source URL
gOriginalSrc = gDialog.srcInput.value;
// By default turn constrain on, but both width and height must be in pixels
gDialog.constrainCheckbox.checked =
gDialog.widthUnitsMenulist.selectedIndex == 0 &&
gDialog.heightUnitsMenulist.selectedIndex == 0;
// Start in "Link" tab if 2nd arguement is true
if (gDialog.linkTab && "arguments" in window && window.arguments[1])
{
document.getElementById("TabBox").selectedTab = gDialog.linkTab;
SetTextboxFocus(gDialog.hrefInput);
}
else
SetTextboxFocus(gDialog.srcInput);
SetWindowLocation();
}
// Set dialog widgets with attribute data
// We get them from globalElement copy so this can be used
// by AdvancedEdit(), which is shared by all property dialogs
function InitDialog()
{
InitImage();
var border = TrimString(gDialog.border.value);
gDialog.showLinkBorder.checked = border != "" && border > 0;
}
function ChangeLinkLocation()
{
SetRelativeCheckbox(gDialog.makeRelativeLink);
gDialog.showLinkBorder.disabled = !TrimString(gDialog.hrefInput.value);
}
function ToggleShowLinkBorder()
{
if (gDialog.showLinkBorder.checked)
{
var border = TrimString(gDialog.border.value);
if (!border || border == "0")
gDialog.border.value = "2";
}
else
{
gDialog.border.value = "0";
}
}
// Get data from widgets, validate, and set for the global element
// accessible to AdvancedEdit() [in EdDialogCommon.js]
function ValidateData()
{
return ValidateImage();
}
function onAccept()
{
// Use this now (default = false) so Advanced Edit button dialog doesn't trigger error message
gDoAltTextError = true;
if (ValidateData())
{
if ("arguments" in window && window.arguments[0])
{
SaveWindowLocation();
return true;
}
var editor = GetCurrentEditor();
editor.beginTransaction();
try
{
if (gRemoveImageMap)
{
globalElement.removeAttribute("usemap");
if (gImageMap)
{
editor.deleteNode(gImageMap);
gInsertNewIMap = true;
gImageMap = null;
}
}
else if (gImageMap)
{
// un-comment to see that inserting image maps does not work!
/*
gImageMap = editor.createElementWithDefaults("map");
gImageMap.setAttribute("name", "testing");
var testArea = editor.createElementWithDefaults("area");
testArea.setAttribute("shape", "circle");
testArea.setAttribute("coords", "86,102,52");
testArea.setAttribute("href", "test");
gImageMap.appendChild(testArea);
*/
// Assign to map if there is one
var mapName = gImageMap.getAttribute("name");
if (mapName != "")
{
globalElement.setAttribute("usemap", ("#"+mapName));
if (globalElement.getAttribute("border") == "")
globalElement.setAttribute("border", 0);
}
}
// Create or remove the link as appropriate
var href = gDialog.hrefInput.value;
if (href != gOriginalHref)
{
if (href && !gInsertNewImage)
EditorSetTextProperty("a", "href", href);
else
EditorRemoveTextProperty("href", "");
}
// If inside a link, always write the 'border' attribute
if (href)
{
if (gDialog.showLinkBorder.checked)
{
// Use default = 2 if border attribute is empty
if (!globalElement.hasAttribute("border"))
globalElement.setAttribute("border", "2");
}
else
globalElement.setAttribute("border", "0");
}
if (gInsertNewImage)
{
if (href) {
var linkElement = editor.createElementWithDefaults("a");
linkElement.setAttribute("href", href);
linkElement.appendChild(imageElement);
editor.insertElementAtSelection(linkElement, true);
}
else
// 'true' means delete the selection before inserting
editor.insertElementAtSelection(imageElement, true);
}
// Check to see if the link was to a heading
// Do this last because it moves the caret (BAD!)
if (href in gHNodeArray)
{
var anchorNode = editor.createElementWithDefaults("a");
if (anchorNode)
{
anchorNode.name = href.substr(1);
// Remember to use editor method so it is undoable!
editor.insertNode(anchorNode, gHNodeArray[href], 0, false);
}
}
// All values are valid - copy to actual element in doc or
// element we just inserted
editor.cloneAttributes(imageElement, globalElement);
// If document is empty, the map element won't insert,
// so always insert the image first
if (gImageMap && gInsertNewIMap)
{
// Insert the ImageMap element at beginning of document
var body = editor.rootElement;
editor.setShouldTxnSetSelection(false);
editor.insertNode(gImageMap, body, 0);
editor.setShouldTxnSetSelection(true);
}
}
catch (e)
{
dump(e);
}
editor.endTransaction();
SaveWindowLocation();
return true;
}
gDoAltTextError = false;
return false;
}