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/* -*- 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 "nsXFormsActionElement.h"
#include "nsIDOM3Node.h"
#include "nsIDOMXPathResult.h"
#include "nsIDOMDocument.h"
#include "nsIDOMEvent.h"
#include "nsIDOMElement.h"
#include "nsIXFormsModelElement.h"
#include "nsXFormsModelElement.h"
#include "nsXFormsUtils.h"
class nsXFormsSetValueElement : public nsXFormsActionModuleBase
{
public:
nsXFormsSetValueElement();
virtual nsresult HandleSingleAction(nsIDOMEvent* aEvent,
nsIXFormsActionElement *aParentAction);
};
nsXFormsSetValueElement::nsXFormsSetValueElement()
{
}
nsresult
nsXFormsSetValueElement::HandleSingleAction(nsIDOMEvent *aEvent,
nsIXFormsActionElement *aParentAction)
{
nsCOMPtr<nsIModelElementPrivate> modelPriv;
nsCOMPtr<nsIDOMNode> singleNode;
PRBool succeeded =
nsXFormsUtils::GetSingleNodeBinding(mElement,
getter_AddRefs(singleNode),
getter_AddRefs(modelPriv));
if (!succeeded | !modelPriv | !singleNode)
return NS_OK;
nsAutoString value;
nsAutoString valueAttr;
nsresult rv;
mElement->GetAttribute(NS_LITERAL_STRING("value"), valueAttr);
if (!valueAttr.IsEmpty()) {
// According to the XForms Errata, the context node for the XPath expression
// stored in @value should be the node that setvalue is bound to.
nsCOMPtr<nsIDOMXPathResult> xpResult;
rv = nsXFormsUtils::EvaluateXPath(valueAttr, singleNode, mElement,
nsIDOMXPathResult::STRING_TYPE,
getter_AddRefs(xpResult));
NS_ENSURE_SUCCESS(rv, rv);
if (!xpResult)
return NS_OK;
xpResult->GetStringValue(value);
} else {
nsCOMPtr<nsIDOM3Node> n3(do_QueryInterface(mElement));
n3->GetTextContent(value);
}
PRBool changed;
rv = modelPriv->SetNodeValue(singleNode, value, !aParentAction, &changed);
NS_ENSURE_SUCCESS(rv, rv);
if (changed && aParentAction) {
aParentAction->SetRecalculate(modelPriv, PR_TRUE);
aParentAction->SetRevalidate(modelPriv, PR_TRUE);
aParentAction->SetRefresh(modelPriv, PR_TRUE);
}
return NS_OK;
}
NS_HIDDEN_(nsresult)
NS_NewXFormsSetValueElement(nsIXTFElement **aResult)
{
*aResult = new nsXFormsSetValueElement();
if (!*aResult)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(*aResult);
return NS_OK;
}
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