/*******************************************************************************
* 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.IJSFConstants;
import org.eclipse.jst.jsf.core.internal.tld.ITLDConstants;
import org.eclipse.jst.pagedesigner.commands.single.AddSubNodeCommand;
import org.eclipse.jst.pagedesigner.commands.single.InsertSubNodeCommand;
import org.eclipse.jst.pagedesigner.commands.single.RemoveSubNodeCommand;
import org.eclipse.jst.pagedesigner.properties.BaseCustomSection;
import org.eclipse.swt.SWT;
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 JSFHtmlDataTableColumnsSection extends BaseCustomSection
{
private Table _columnsTable;
private TableViewer _columnsViewer;
private Button _addButton, _removeButton, _moveUpButton, _moveDownButton;
final static private String DEFAULT_COLUMN_NAME = "column"; //$NON-NLS-1$
final static private String DEFAULT_FACET_NAME = "header"; //$NON-NLS-1$
final static private String DEFAULT_TEXT_NAME = "text"; //$NON-NLS-1$
class ColumnCotentLabelProvider 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("column") != -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 input changed
}
public String getColumnText(Object element, int columnIndex)
{
String result = null;
if (element instanceof IDOMElement)
{
IDOMElement node = (IDOMElement) element;
switch (columnIndex)
{
case 0:
result = node.getAttribute(IJSFConstants.ATTR_ID);
break;
default:
break;
}
}
return result != null ? result : ""; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
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: no support for listeners?
}
/* (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: no support for listeners?
}
}
/**
* default constructor
*/
public JSFHtmlDataTableColumnsSection()
{
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);
createColumnPart(factory, top);
}
private void createColumnPart(TabbedPropertySheetWidgetFactory factory, Composite other)
{
GridData data;
_columnsTable = factory.createTable(other, SWT.FULL_SELECTION | SWT.MULTI);
data = new GridData(GridData.FILL_BOTH);
data.horizontalSpan = 3;
data.verticalSpan = 4;
data.widthHint = 10;
data.heightHint = 50;
_columnsTable.setHeaderVisible(true);
_columnsTable.setLayoutData(data);
_columnsTable.setLinesVisible(true);
TableColumn column = new TableColumn(_columnsTable, SWT.NONE);
column.setText(SectionResources.getString("JSFHtmlDataTableSection.Columns")); //$NON-NLS-1$
column.setWidth(200);
_columnsViewer = new TableViewer(_columnsTable);
_columnsViewer.setContentProvider(new ColumnCotentLabelProvider());
_columnsViewer.setLabelProvider(new ColumnCotentLabelProvider());
_columnsViewer.addDoubleClickListener(new IDoubleClickListener()
{
public void doubleClick(DoubleClickEvent event)
{
IStructuredSelection selection = (IStructuredSelection) event.getSelection();
if (selection != null)
{
IDOMElement node = (IDOMElement) selection.getFirstElement();
gotoNode(node);
}
}
}
);
_columnsViewer.addSelectionChangedListener(new ISelectionChangedListener()
{
public void selectionChanged(SelectionChangedEvent event)
{
updateButtonStatus();
}
}
);
// add buttons group
_addButton = factory.createButton(other, SectionResources.getString("JSFHtmlDataTableSection.Add"), SWT.NONE); //$NON-NLS-1$
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
_addButton.setLayoutData(data);
_addButton.addSelectionListener(new SelectionAdapter()
{
public void widgetSelected(SelectionEvent e)
{
int count = _columnsTable.getItemCount();
Map attributes = new HashMap();
attributes.put(IJSFConstants.ATTR_ID, DEFAULT_COLUMN_NAME + (count + 1));
AddSubNodeCommand c = new AddSubNodeCommand(SectionResources.getString("JSFHtmlDataTableSection.CommandLabel.AddSubTag"), _element, "column", //$NON-NLS-1$ //$NON-NLS-2$
ITLDConstants.URI_JSF_HTML, attributes);
c.execute();
IDOMElement child = c.getChildNode();
attributes = new HashMap();
attributes.put(IJSFConstants.ATTR_NAME, DEFAULT_FACET_NAME);
c = new AddSubNodeCommand(SectionResources.getString("JSFHtmlDataTableSection.CommandLabel.AddSubTag"), child, "facet", ITLDConstants.URI_JSF_CORE, attributes); //$NON-NLS-1$ //$NON-NLS-2$
c.execute();
child = c.getChildNode();
attributes = new HashMap();
attributes.put(IJSFConstants.ATTR_ID, DEFAULT_TEXT_NAME + (count + 1));
attributes.put(IJSFConstants.ATTR_VALUE, DEFAULT_COLUMN_NAME + (count + 1));
c = new AddSubNodeCommand(SectionResources.getString("JSFHtmlDataTableSection.CommandLabel.AddSubTag"), child, "outputText", ITLDConstants.URI_JSF_HTML, attributes); //$NON-NLS-1$ //$NON-NLS-2$
c.execute();
_columnsViewer.refresh();
// if (c.getChildNode() != null)
// {
// gotoNode(c.getChildNode());
// }
updateButtonStatus();
}
}
);
_removeButton = factory.createButton(other, SectionResources.getString("JSFHtmlDataTableSection.Remove"), //$NON-NLS-1$
SWT.NONE);
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
_removeButton.setLayoutData(data);
_removeButton.addSelectionListener(new SelectionAdapter()
{
public void widgetSelected(SelectionEvent e)
{
IStructuredSelection selection = (IStructuredSelection) _columnsViewer.getSelection();
if (selection != null)
{
for (Iterator i = selection.iterator(); i.hasNext();)
{
IDOMElement node = (IDOMElement) i.next();
RemoveSubNodeCommand c = new RemoveSubNodeCommand(SectionResources.getString("JSFHtmlDataTableSection.CommandLabel.RemoveSubTag"), _element, node); //$NON-NLS-1$
c.execute();
}
_columnsViewer.refresh();
updateButtonStatus();
}
}
}
);
_moveUpButton = factory.createButton(other, SectionResources.getString("JSFHtmlDataTableSection.MoveUp"), //$NON-NLS-1$
SWT.NONE);
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
_moveUpButton.setLayoutData(data);
_moveUpButton.addSelectionListener(new SelectionAdapter()
{
public void widgetSelected(SelectionEvent e)
{
int index = _columnsTable.getSelectionIndex();
IDOMElement child = (IDOMElement) _columnsTable.getItem(index).getData();
IDOMElement refchild = (IDOMElement) _columnsTable.getItem(index - 1).getData();
RemoveSubNodeCommand remove = new RemoveSubNodeCommand(SectionResources.getString("JSFHtmlDataTableSection.CommandLabel.RemoveSubTag"), _element, child); //$NON-NLS-1$
remove.execute();
InsertSubNodeCommand insert = new InsertSubNodeCommand(SectionResources.getString("JSFHtmlDataTableSection.CommandLabel.InsertSubTag"), _element, child, refchild); //$NON-NLS-1$
insert.execute();
_columnsViewer.refresh();
updateButtonStatus();
}
}
);
_moveDownButton = factory.createButton(other, SectionResources.getString("JSFHtmlDataTableSection.MoveDown"), //$NON-NLS-1$
SWT.NONE);
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
_moveDownButton.setLayoutData(data);
_moveDownButton.addSelectionListener(new SelectionAdapter()
{
public void widgetSelected(SelectionEvent e)
{
int index = _columnsTable.getSelectionIndex();
IDOMElement child = (IDOMElement) _columnsTable.getItem(index).getData();
IDOMElement refchild = (IDOMElement) _columnsTable.getItem(index + 1).getData();
RemoveSubNodeCommand remove = new RemoveSubNodeCommand(SectionResources.getString("JSFHtmlDataTableSection.CommandLabel.RemoveSubTag"), _element, refchild); //$NON-NLS-1$
remove.execute();
InsertSubNodeCommand insert = new InsertSubNodeCommand(SectionResources.getString("JSFHtmlDataTableSection.CommandLabel.InsertSubTag"), _element, refchild, child); //$NON-NLS-1$
insert.execute();
_columnsViewer.refresh();
updateButtonStatus();
}
}
);
}
/**
* Update the button status
*/
private void updateButtonStatus()
{
_removeButton.setEnabled(true);
_moveUpButton.setEnabled(true);
_moveDownButton.setEnabled(true);
ISelection selection = _columnsViewer.getSelection();
if (selection.isEmpty())
{
_removeButton.setEnabled(false);
_moveUpButton.setEnabled(false);
_moveDownButton.setEnabled(false);
}
if (_columnsTable.getItemCount() == 0)
{
_removeButton.setEnabled(false);
_moveUpButton.setEnabled(false);
_moveDownButton.setEnabled(false);
}
if (_columnsTable.getSelectionCount() > 1)
{
_moveUpButton.setEnabled(false);
_moveDownButton.setEnabled(false);
}
if (_columnsTable.getSelectionIndex() == 0)
{
_moveUpButton.setEnabled(false);
}
if (_columnsTable.getSelectionIndex() == _columnsTable.getItemCount() - 1)
{
_moveDownButton.setEnabled(false);
}
}
public void setInput(IWorkbenchPart part, ISelection selection)
{
super.setInput(part, selection);
_columnsViewer.setInput(_element);
updateButtonStatus();
}
protected void notifyChanged(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos)
{
if(_columnsViewer != null && !_columnsViewer.getControl().isDisposed())
{
_columnsViewer.refresh();
}
}
}