gecko-dev/extensions/xforms/nsXFormsToggleElement.cpp

102 lines
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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 XForms support.
*
* The Initial Developer of the Original Code is
* Olli Pettay.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Olli Pettay <Olli.Pettay@helsinki.fi> (original author)
*
* 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 ***** */
#include "nsXFormsActionModuleBase.h"
#include "nsIDOMDocument.h"
#include "nsIDOMEvent.h"
#include "nsIDOMElement.h"
#include "nsString.h"
#include "nsXFormsUtils.h"
#include "nsIXFormsSwitchElement.h"
/**
* XForms Toggle element. According to the the XForms Schema it can be handled
* like Action Module elements.
*/
class nsXFormsToggleElement : public nsXFormsActionModuleBase
{
public:
NS_DECL_NSIXFORMSACTIONMODULEELEMENT
};
NS_IMETHODIMP
nsXFormsToggleElement::HandleAction(nsIDOMEvent* aEvent,
nsIXFormsActionElement *aParentAction)
{
if (!mElement)
return NS_OK;
nsAutoString caseAttr;
NS_NAMED_LITERAL_STRING(caseStr, "case");
mElement->GetAttribute(caseStr, caseAttr);
if (caseAttr.IsEmpty())
return NS_OK;
nsCOMPtr<nsIDOMDocument> doc;
mElement->GetOwnerDocument(getter_AddRefs(doc));
if (!doc)
return NS_OK;
nsCOMPtr<nsIDOMElement> caseEl;
nsXFormsUtils::GetElementById(doc, caseAttr, PR_TRUE, mElement,
getter_AddRefs(caseEl));
if (!caseEl)
return NS_OK;
if (!nsXFormsUtils::IsXFormsElement(caseEl, caseStr))
return NS_OK;
nsCOMPtr<nsIDOMNode> parent;
caseEl->GetParentNode(getter_AddRefs(parent));
nsCOMPtr<nsIXFormsSwitchElement> switchEl(do_QueryInterface(parent));
if (switchEl)
switchEl->SetSelected(caseEl, PR_TRUE);
return NS_OK;
}
NS_HIDDEN_(nsresult)
NS_NewXFormsToggleElement(nsIXTFElement **aResult)
{
*aResult = new nsXFormsToggleElement();
if (!*aResult)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(*aResult);
return NS_OK;
}