/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http:// www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.jsf.ui.sections;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jst.jsf.core.internal.tld.ITLDConstants;
import org.eclipse.jst.pagedesigner.commands.single.AddSubNodeCommand;
import org.eclipse.jst.pagedesigner.commands.single.RemoveSubNodeCommand;
import org.eclipse.jst.pagedesigner.properties.BaseCustomSection;
import org.eclipse.jst.pagedesigner.properties.DesignerPropertyTool;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;
import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* @author mengbo
* @version 1.5
*/
public class JSFHtmlActionListenerSection extends BaseCustomSection
{
final private static String[] LISTENTYPES = { "Action"}; //$NON-NLS-1$
private IDOMElement _element;
private Table _listenersTable;
private TableViewer _listenersViewer;
private CCombo _listenTypeCombo;
private Button _listenAddButton, _listenRemoveButton;
private class ListenerContentLabelProvider implements IStructuredContentProvider, ITableLabelProvider
{
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements(Object inputElement)
{
IDOMElement root = _element;
List result = new ArrayList();
NodeList children = root.getChildNodes();
for (int i = 0, n = children.getLength(); i < n; i++)
{
Node child = children.item(i);
if (child.getNodeType() == Node.ELEMENT_NODE)
{
IDOMElement element = (IDOMElement) child;
String nodeName = element.getNodeName();
if (nodeName.indexOf("Listener") != -1) //$NON-NLS-1$
{
result.add(child);
}
}
}
if (result.isEmpty())
{
return new Object[0];
}
return result.toArray(new IDOMElement[result.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput)
{
// no support for viewer changes
}
public String getColumnText(Object element, int columnIndex)
{
String result = null;
if (element instanceof Node)
{
Node node = (Node) element;
String nodeName = getTableNodeName(node, "type"); //$NON-NLS-1$
switch (columnIndex)
{
case 0:
result = nodeName;
break;
default:
break;
}
}
return result != null ? result : ""; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
private String getTableNodeName(Node node, String ... attrNames) {
for (String attrName : attrNames) {
Node attr = node.getAttributes().getNamedItem(attrName);
if (attr != null && attr.getNodeValue()!= null &&
! attr.getNodeValue().trim().equals("")) //$NON-NLS-1$
return attr.getNodeValue().trim();
}
return node.getNodeName();
}
public void dispose()
{
// nothing to dispose
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)
*/
public Image getColumnImage(Object element, int columnIndex)
{
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
*/
public void addListener(ILabelProviderListener listener)
{
// TODO: listeners not supported?
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String)
*/
public boolean isLabelProperty(Object element, String property)
{
return false;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
*/
public void removeListener(ILabelProviderListener listener)
{
// TODO: listeners not supported?
}
}
/**
* Default constructor
*/
public JSFHtmlActionListenerSection()
{
super();
}
public void createControls(Composite parent, TabbedPropertySheetPage aTabbedPropertySheetPage)
{
super.createControls(parent, aTabbedPropertySheetPage);
TabbedPropertySheetWidgetFactory factory = aTabbedPropertySheetPage.getWidgetFactory();
Composite top = factory.createFlatFormComposite(parent);
GridLayout layout = new GridLayout();
layout.numColumns = 4;
top.setLayout(layout);
createListenerPart(factory, top);
}
/**
* @param factory
* @param other
*/
private void createListenerPart(TabbedPropertySheetWidgetFactory factory, Composite other)
{
GridData data;
_listenersTable = factory.createTable(other, SWT.FULL_SELECTION | SWT.MULTI);
data = new GridData(GridData.FILL_BOTH);
data.horizontalSpan = 3;
data.verticalSpan = 4;
data.heightHint = 50;
data.widthHint = 100;
_listenersTable.setHeaderVisible(true);
_listenersTable.setLayoutData(data);
_listenersTable.setLinesVisible(true);
TableColumn listenColumn = new TableColumn(_listenersTable, SWT.NONE);
listenColumn.setText(SectionResources.getString("JSFHtmlCommandButtonSection.Listeners")); //$NON-NLS-1$
listenColumn.setWidth(500);
_listenersViewer = new TableViewer(_listenersTable);
_listenersViewer.setContentProvider(new ListenerContentLabelProvider());
_listenersViewer.setLabelProvider(new ListenerContentLabelProvider());
_listenersViewer.addDoubleClickListener(new IDoubleClickListener()
{
public void doubleClick(DoubleClickEvent event)
{
IStructuredSelection selection = (IStructuredSelection) event.getSelection();
if (selection != null)
{
IDOMElement node = (IDOMElement) selection.getFirstElement();
gotoNode(node);
}
}
});
_listenersViewer.addSelectionChangedListener(new ISelectionChangedListener()
{
public void selectionChanged(SelectionChangedEvent event)
{
updateListenerButtonStatus();
}
});
_listenTypeCombo = factory.createCCombo(other, SWT.READ_ONLY);
_listenTypeCombo.setItems(LISTENTYPES);
_listenTypeCombo.select(0);
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
_listenTypeCombo.setLayoutData(data);
_listenAddButton = factory.createButton(other, SectionResources.getString("JSFHtmlCommandButtonSection.Add"), //$NON-NLS-1$
SWT.NONE);
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
_listenAddButton.setLayoutData(data);
_listenAddButton.addSelectionListener(new SelectionAdapter()
{
public void widgetSelected(SelectionEvent e)
{
Map attributes = new HashMap();
String listener = _listenTypeCombo.getText();
listener = listener.substring(0, 1).toLowerCase() + listener.substring(1) + "Listener"; //$NON-NLS-1$
AddSubNodeCommand c = new AddSubNodeCommand(
SectionResources.getString("JSFHtmlCommandButtonSection.CommandLabel.AddSubTag"), _element, listener, ITLDConstants.URI_JSF_CORE, attributes); //$NON-NLS-1$
c.execute();
_listenersViewer.refresh();
updateListenerButtonStatus();
}
});
_listenRemoveButton = factory.createButton(other, SectionResources
.getString("JSFHtmlCommandButtonSection.Remove"), SWT.NONE); //$NON-NLS-1$
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
_listenRemoveButton.setLayoutData(data);
_listenRemoveButton.addSelectionListener(new SelectionAdapter()
{
public void widgetSelected(SelectionEvent e)
{
IStructuredSelection selection = (IStructuredSelection) _listenersViewer.getSelection();
if (selection != null)
{
for (Iterator i = selection.iterator(); i.hasNext();)
{
IDOMElement node = (IDOMElement) i.next();
RemoveSubNodeCommand c = new RemoveSubNodeCommand(SectionResources
.getString("JSFHtmlCommandButtonSection.CommandLabel.RemoveSubTag"), _element, node); //$NON-NLS-1$
c.execute();
}
_listenersViewer.refresh();
updateListenerButtonStatus();
}
}
});
}
private void updateListenerButtonStatus()
{
_listenRemoveButton.setEnabled(true);
ISelection selection = _listenersViewer.getSelection();
if (selection == null || selection.isEmpty())
{
_listenRemoveButton.setEnabled(false);
}
if (_listenersTable.getItemCount() == 0)
{
_listenRemoveButton.setEnabled(false);
}
}
public void setInput(IWorkbenchPart part, ISelection selection)
{
super.setInput(part, selection);
_element = (IDOMElement) DesignerPropertyTool.getElement(part, selection);
if (_listenersViewer != null)
_listenersViewer.setInput(_element);
}
protected void notifyChanged(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos)
{
if(_listenersViewer != null && !_listenersViewer.getControl().isDisposed())
{
_listenersViewer.refresh();
}
}
}