/*******************************************************************************
* 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.CellEditor;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.ICellModifier;
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.TextCellEditor;
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.ChangeAttributeCommand;
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.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.swt.widgets.TableItem;
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 JSFHtmlSelectChoicesSection extends BaseCustomSection
{
final private static String[] CHOICETYPES = { IJSFConstants.TAG_SELECTITEM, IJSFConstants.TAG_SELECTITEMS};
private Table _choiceTable;
private TableViewer _choiceViewer;
private CCombo _choiceTypeCombo;
private Button _choiceAddButton, _choiceRemoveButton, _choiceMoveUpButton, _choiceMoveDownButton;
private static final String[] COLUMN_NAMES = new String[] {"choices","itemLabel", "itemValue", "id"}; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
private class ChoiceCotentLabelProvider implements IStructuredContentProvider, ITableLabelProvider
{
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements(final Object inputElement)
{
final IDOMElement root = _element;
final List result = new ArrayList();
final NodeList children = root.getChildNodes();
for (int i = 0, n = children.getLength(); i < n; i++)
{
final Node child = children.item(i);
if (child.getNodeType() == Node.ELEMENT_NODE)
{
final IDOMElement element = (IDOMElement) child;
final String nodeName = element.getNodeName();
if (nodeName.indexOf("select") != -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(final Viewer viewer, final Object oldInput, final Object newInput)
{
// do nothing
}
public String getColumnText(final Object element, final int columnIndex)
{
String result = null;
if (element instanceof Node)
{
final Node node = (Node) element;
Node attrNode = null;
String attrName = null;
if (columnIndex == 1)
{
attrName = "itemLabel"; //$NON-NLS-1$
}
else if (columnIndex == 2)
{
attrName = "itemValue"; //$NON-NLS-1$
}
else if (columnIndex == 3)
{
attrName = "id"; //$NON-NLS-1$
}
switch (columnIndex)
{
case 0:
result = node.getNodeName();
break;
default:
{
attrNode = node.getAttributes().getNamedItem(attrName);
if (attrNode != null)
{
result = attrNode.getNodeValue()!=null ? attrNode.getNodeValue() : " - "; //$NON-NLS-1$
}
else
{
result = " - "; //$NON-NLS-1$
}
}
}
}
return result != null ? result : ""; //$NON-NLS-1$
}
public void dispose()
{
// do nothing
}
public Image getColumnImage(final Object element, final int columnIndex)
{
return null;
}
public void addListener(final ILabelProviderListener listener)
{
// TODO: no support for listeners?
}
public boolean isLabelProperty(final Object element, final String property)
{
return false;
}
public void removeListener(final ILabelProviderListener listener)
{
// TODO: no support for listeners?
}
}
/**
* Default constructor
*/
public JSFHtmlSelectChoicesSection()
{
super();
}
@Override
public void createControls(final Composite parent, final TabbedPropertySheetPage aTabbedPropertySheetPage)
{
super.createControls(parent, aTabbedPropertySheetPage);
final TabbedPropertySheetWidgetFactory factory = aTabbedPropertySheetPage.getWidgetFactory();
final Composite top = factory.createFlatFormComposite(parent);
final GridLayout layout = new GridLayout();
layout.numColumns = 4;
top.setLayout(layout);
createChoicePart(factory, top);
}
/**
* @param factory
* @param other
*/
private void createChoicePart(final TabbedPropertySheetWidgetFactory factory, final Composite other)
{
GridData data;
_choiceTable = factory.createTable(other, SWT.FULL_SELECTION | SWT.MULTI);
data = new GridData(GridData.FILL_BOTH);
data.horizontalSpan = 3;
data.verticalSpan = 5;
data.heightHint = 50;
_choiceTable.setHeaderVisible(true);
_choiceTable.setLayoutData(data);
_choiceTable.setLinesVisible(true);
final TableColumn choiceColumn = new TableColumn(_choiceTable, SWT.NONE);
choiceColumn.setText(SectionResources.getString("JSFHtmlSelectManyCheckboxSection.Choices")); //$NON-NLS-1$
choiceColumn.setWidth(100);
final TableColumn labelColumn = new TableColumn(_choiceTable, SWT.NONE);
labelColumn.setText("itemLabel"); //$NON-NLS-1$
labelColumn.setWidth(100);
final TableColumn valueColumn = new TableColumn(_choiceTable, SWT.NONE);
valueColumn.setText("itemValue"); //$NON-NLS-1$
valueColumn.setWidth(100);
final TableColumn idColumn = new TableColumn(_choiceTable, SWT.NONE);
idColumn.setText("id"); //$NON-NLS-1$
idColumn.setWidth(100);
_choiceViewer = new TableViewer(_choiceTable);
_choiceViewer.setColumnProperties(COLUMN_NAMES );
final CellEditor[] editors = new CellEditor[4];
TextCellEditor textEditor = new TextCellEditor(_choiceTable);
editors[0] = textEditor;
textEditor = new TextCellEditor(_choiceTable);
editors[1] = textEditor;
textEditor = new TextCellEditor(_choiceTable);
editors[2] = textEditor;
textEditor = new TextCellEditor(_choiceTable);
editors[3] = textEditor;
_choiceViewer.setCellEditors(editors);
_choiceViewer.setCellModifier(new ICellModifier(){
public boolean canModify(final Object element, final String property) {
final IDOMElement node = (IDOMElement)element;
if (node.getLocalName().equals("selectItem")) //$NON-NLS-1$
{
return ! property.equals("choices"); //$NON-NLS-1$
}
return property.equals("id"); //$NON-NLS-1$
}
public Object getValue(final Object element, final String property) {
final IDOMElement node = (IDOMElement) element;
final String val = node.getAttribute(property) != null ? node.getAttribute(property) : ""; //$NON-NLS-1$
return val;
}
public void modify(final Object element, final String property, final Object value) {
final TableItem item = (TableItem) element;
final IDOMElement node = (IDOMElement) item.getData();
String valueString;
ChangeAttributeCommand c;
valueString = ((String) value).trim();
c = new ChangeAttributeCommand(
SectionResources.getString("JSFHtmlInputTextSection.CommandLabel.ChangeAttribute"), node, property, valueString); //$NON-NLS-1$
c.execute();
_choiceViewer.refresh();
}
});
_choiceViewer.setContentProvider(new ChoiceCotentLabelProvider());
_choiceViewer.setLabelProvider(new ChoiceCotentLabelProvider());
_choiceViewer.addDoubleClickListener(new IDoubleClickListener()
{
public void doubleClick(final DoubleClickEvent event)
{
final IStructuredSelection selection = (IStructuredSelection) event.getSelection();
if (selection != null)
{
final IDOMElement node = (IDOMElement) selection.getFirstElement();
gotoNode(node);
}
}
});
_choiceViewer.addSelectionChangedListener(new ISelectionChangedListener()
{
public void selectionChanged(final SelectionChangedEvent event)
{
updateChoiceButtonStatus();
}
});
_choiceTypeCombo = factory.createCCombo(other, SWT.READ_ONLY);
_choiceTypeCombo.setItems(CHOICETYPES);
_choiceTypeCombo.select(0);
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
_choiceTypeCombo.setLayoutData(data);
_choiceAddButton = factory.createButton(other, SectionResources
.getString("JSFHtmlSelectManyCheckboxSection.Add"), SWT.NONE); //$NON-NLS-1$
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
_choiceAddButton.setLayoutData(data);
_choiceAddButton.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(final SelectionEvent e)
{
final Map attributes = new HashMap();
final AddSubNodeCommand c = new AddSubNodeCommand(
SectionResources.getString("JSFHtmlSelectManyCheckboxSection.CommandLabel.AddSubTag"), _element, _choiceTypeCombo.getText(), //$NON-NLS-1$
ITLDConstants.URI_JSF_CORE, attributes);
c.execute();
_choiceViewer.refresh();
updateChoiceButtonStatus();
}
});
_choiceRemoveButton = factory.createButton(other, SectionResources
.getString("JSFHtmlSelectManyCheckboxSection.Remove"), SWT.NONE); //$NON-NLS-1$
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
_choiceRemoveButton.setLayoutData(data);
_choiceRemoveButton.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(final SelectionEvent e)
{
final IStructuredSelection selection = (IStructuredSelection) _choiceViewer.getSelection();
if (selection != null)
{
for (final Iterator i = selection.iterator(); i.hasNext();)
{
final IDOMElement node = (IDOMElement) i.next();
final RemoveSubNodeCommand c = new RemoveSubNodeCommand(
SectionResources
.getString("JSFHtmlSelectManyCheckboxSection.CommandLabel.RemoveSubTag"), _element, node); //$NON-NLS-1$
c.execute();
}
_choiceViewer.refresh();
updateChoiceButtonStatus();
}
}
});
_choiceMoveUpButton = factory.createButton(other, SectionResources
.getString("JSFHtmlSelectManyCheckboxSection.MoveUp"), SWT.NONE); //$NON-NLS-1$
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
_choiceMoveUpButton.setLayoutData(data);
_choiceMoveUpButton.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(final SelectionEvent e)
{
final int index = _choiceTable.getSelectionIndex();
final IDOMElement child = (IDOMElement) _choiceTable.getItem(index).getData();
final IDOMElement refchild = (IDOMElement) _choiceTable.getItem(index - 1).getData();
final RemoveSubNodeCommand remove = new RemoveSubNodeCommand(SectionResources
.getString("JSFHtmlSelectManyCheckboxSection.CommandLabel.RemoveSubTag"), _element, child); //$NON-NLS-1$
remove.execute();
final InsertSubNodeCommand insert = new InsertSubNodeCommand(
SectionResources.getString("JSFHtmlSelectManyCheckboxSection.CommandLabel.InsertSubTag"), _element, child, refchild); //$NON-NLS-1$
insert.execute();
_choiceViewer.refresh();
_choiceViewer.getTable().select(index - 1);
updateChoiceButtonStatus();
}
});
_choiceMoveDownButton = factory.createButton(other, SectionResources
.getString("JSFHtmlSelectManyCheckboxSection.MoveDown"), SWT.NONE); //$NON-NLS-1$
data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
_choiceMoveDownButton.setLayoutData(data);
_choiceMoveDownButton.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(final SelectionEvent e)
{
final int index = _choiceTable.getSelectionIndex();
final IDOMElement child = (IDOMElement) _choiceTable.getItem(index).getData();
final IDOMElement refchild = (IDOMElement) _choiceTable.getItem(index + 1).getData();
final RemoveSubNodeCommand remove = new RemoveSubNodeCommand(SectionResources
.getString("JSFHtmlSelectManyCheckboxSection.CommandLabel.RemoveSubTag"), _element, refchild); //$NON-NLS-1$
remove.execute();
final InsertSubNodeCommand insert = new InsertSubNodeCommand(
SectionResources.getString("JSFHtmlSelectManyCheckboxSection.CommandLabel.InsertSubTag"), _element, refchild, child); //$NON-NLS-1$
insert.execute();
_choiceViewer.refresh();
_choiceViewer.getTable().select(index + 1);
updateChoiceButtonStatus();
}
});
}
private void updateChoiceButtonStatus()
{
_choiceRemoveButton.setEnabled(true);
_choiceMoveUpButton.setEnabled(true);
_choiceMoveDownButton.setEnabled(true);
final ISelection selection = _choiceViewer.getSelection();
if (selection.isEmpty())
{
_choiceRemoveButton.setEnabled(false);
_choiceMoveUpButton.setEnabled(false);
_choiceMoveDownButton.setEnabled(false);
}
if (_choiceTable.getItemCount() == 0)
{
_choiceRemoveButton.setEnabled(false);
_choiceMoveUpButton.setEnabled(false);
_choiceMoveDownButton.setEnabled(false);
}
if (_choiceTable.getSelectionCount() > 1)
{
_choiceMoveUpButton.setEnabled(false);
_choiceMoveDownButton.setEnabled(false);
}
if (_choiceTable.getSelectionIndex() == 0)
{
_choiceMoveUpButton.setEnabled(false);
}
if (_choiceTable.getSelectionIndex() == _choiceTable.getItemCount() - 1)
{
_choiceMoveDownButton.setEnabled(false);
}
}
@Override
public void setInput(final IWorkbenchPart part, final ISelection selection)
{
super.setInput(part, selection);
_choiceViewer.setInput(_element);
updateChoiceButtonStatus();
}
@Override
protected void notifyChanged(final INodeNotifier notifier, final int eventType, final Object changedFeature, final Object oldValue,
final Object newValue, final int pos)
{
if (_choiceViewer != null && !_choiceViewer.getControl().isDisposed())
{
_choiceViewer.refresh();
}
}
}