releases-comm-central/editor/ui/dialogs/content/EdAEJSEAttributes.js

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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):
* Ben "Count XULula" Goodger
*
* 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 ***** */
function BuildJSEAttributeNameList()
{
gDialog.AddJSEAttributeNameList.removeAllItems();
// Get events specific to current element
var elementName = gElement.localName.toLowerCase();
if (elementName in gJSAttr)
{
var attNames = gJSAttr[elementName];
var i;
var popup;
var sep;
if (attNames && attNames.length)
{
// Since we don't allow user-editable JS events yet (but we will soon)
// simply remove the JS tab to not allow adding JS events
if (attNames[0] == "noJSEvents")
{
var tab = document.getElementById("tabJSE");
if (tab)
tab.parentNode.removeChild(tab);
return;
}
for (i = 0; i < attNames.length; i++)
gDialog.AddJSEAttributeNameList.appendItem(attNames[i], attNames[i]);
popup = gDialog.AddJSEAttributeNameList.firstChild;
if (popup)
{
sep = document.createElementNS(XUL_NS, "menuseparator");
if (sep)
popup.appendChild(sep);
}
}
}
// Always add core JS events unless we aborted above
for (i = 0; i < gCoreJSEvents.length; i++)
{
if (gCoreJSEvents[i] == "-")
{
if (!popup)
popup = gDialog.AddJSEAttributeNameList.firstChild;
sep = document.createElementNS(XUL_NS, "menuseparator");
if (popup && sep)
popup.appendChild(sep);
}
else
gDialog.AddJSEAttributeNameList.appendItem(gCoreJSEvents[i], gCoreJSEvents[i]);
}
gDialog.AddJSEAttributeNameList.selectedIndex = 0;
// Use current name and value of first tree item if it exists
onSelectJSETreeItem();
}
// build attribute list in tree form from element attributes
function BuildJSEAttributeTable()
{
var nodeMap = gElement.attributes;
if (nodeMap.length > 0)
{
var added = false;
for (var i = 0; i < nodeMap.length; i++)
{
if( CheckAttributeNameSimilarity( nodeMap[i].nodeName, JSEAttrs ) )
continue; // repeated or non-JS handler, ignore this one and go to next
if( !IsEventHandler( nodeMap[i].nodeName ) )
continue; // attribute isn't an event handler.
var name = nodeMap[i].nodeName.toLowerCase();
var value = gElement.getAttribute(nodeMap[i].nodeName);
if (AddTreeItem( name, value, "JSEAList", JSEAttrs )) // add item to tree
added = true;
}
// Select first item
if (added)
gDialog.AddJSEAttributeTree.selectedIndex = 0;
}
}
// check to see if given string is an event handler.
function IsEventHandler( which )
{
var handlerName = which.toLowerCase();
var firstTwo = handlerName.substring(0,2);
if (firstTwo == "on")
return true;
else
return false;
}
function onSelectJSEAttribute()
{
if(!gDoOnSelectTree)
return;
gDialog.AddJSEAttributeValueInput.value =
GetAndSelectExistingAttributeValue(gDialog.AddJSEAttributeNameList.label, "JSEAList");
}
function onSelectJSETreeItem()
{
var tree = gDialog.AddJSEAttributeTree;
if (tree && tree.view.selection.count)
{
// Select attribute name in list
gDialog.AddJSEAttributeNameList.value = GetTreeItemAttributeStr(getSelectedItem(tree));
// Set value input to that in tree (no need to update this in the tree)
gUpdateTreeValue = false;
gDialog.AddJSEAttributeValueInput.value = GetTreeItemValueStr(getSelectedItem(tree));
gUpdateTreeValue = true;
}
}
function onInputJSEAttributeValue()
{
if (gUpdateTreeValue)
{
var name = TrimString(gDialog.AddJSEAttributeNameList.label);
var value = TrimString(gDialog.AddJSEAttributeValueInput.value);
// Update value in the tree list
// Since we have a non-editable menulist,
// we MUST automatically add the event attribute if it doesn't exist
if (!UpdateExistingAttribute( name, value, "JSEAList" ) && value)
AddTreeItem( name, value, "JSEAList", JSEAttrs );
}
}
function editJSEAttributeValue(targetCell)
{
if (IsNotTreeHeader(targetCell))
gDialog.AddJSEAttributeValueInput.inputField.select();
}
function UpdateJSEAttributes()
{
var JSEAList = document.getElementById("JSEAList");
var i;
// remove removed attributes
for (i = 0; i < JSERAttrs.length; i++)
{
var name = JSERAttrs[i];
if (gElement.hasAttribute(name))
doRemoveAttribute(name);
}
// Add events
for (i = 0; i < JSEAList.childNodes.length; i++)
{
var item = JSEAList.childNodes[i];
// set the event handler
doSetAttribute( GetTreeItemAttributeStr(item), GetTreeItemValueStr(item) );
}
}
function RemoveJSEAttribute()
{
var treechildren = gDialog.AddJSEAttributeTree.lastChild;
// This differs from HTML and CSS panels:
// We reselect after removing, because there is not
// editable attribute name input, so we can't clear that
// like we do in other panels
var newIndex = gDialog.AddJSEAttributeTree.selectedIndex;
// We only allow 1 selected item
if (gDialog.AddJSEAttributeTree.view.selection.count)
{
var item = getSelectedItem(gDialog.AddJSEAttributeTree);
// Name is the text of the treecell
var attr = GetTreeItemAttributeStr(item);
// remove the item from the attribute array
if (newIndex >= (JSEAttrs.length-1))
newIndex--;
// remove the item from the attribute array
JSERAttrs[JSERAttrs.length] = attr;
RemoveNameFromAttArray(attr, JSEAttrs);
// Remove the item from the tree
treechildren.removeChild (item);
// Reselect an item
gDialog.AddJSEAttributeTree.selectedIndex = newIndex;
}
}