| /******************************************************************************* |
| * Copyright (c) 2004, 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.jsf.facesconfig.ui.section; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.common.command.CompoundCommand; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.edit.command.RemoveCommand; |
| import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider; |
| import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jst.jsf.facesconfig.ui.EditorMessages; |
| import org.eclipse.jst.jsf.facesconfig.ui.page.FacesConfigMasterDetailPage; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| 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.ui.forms.IManagedForm; |
| import org.eclipse.ui.forms.widgets.FormToolkit; |
| |
| /** |
| * An default implementation of AbstractFacesConfigSection for Master Section. |
| * |
| * @author sfshi |
| * |
| */ |
| public abstract class FacesConfigMasterSection extends AbstractFacesConfigSection { |
| |
| private StructuredViewer structuredViewer; |
| |
| private Button removeButton; |
| |
| /** |
| * |
| * @param parent |
| * @param managedForm |
| * @param toolkit |
| * @param page |
| * @param helpContextId |
| * @param helpTooltip |
| */ |
| public FacesConfigMasterSection(Composite parent, IManagedForm managedForm, |
| FormToolkit toolkit, FacesConfigMasterDetailPage page, |
| String helpContextId, String helpTooltip) { |
| super(parent, managedForm, page, toolkit, helpContextId, helpTooltip); |
| } |
| |
| public void dispose() { |
| structuredViewer.removeSelectionChangedListener(this); |
| super.dispose(); |
| } |
| |
| /** |
| * |
| */ |
| protected void createContents(Composite container, FormToolkit toolkit) { |
| GridLayout layout = new GridLayout(); |
| layout.numColumns = 2; |
| layout.marginWidth = layout.marginHeight = 5; |
| container.setLayout(layout); |
| structuredViewer = createViewer(container, toolkit); |
| structuredViewer.addSelectionChangedListener(this); |
| createOperationSection(container, toolkit); |
| } |
| |
| /** |
| * Create the structured viewer, set up content & label provider for it. |
| * Defaultly create a tableviewer. |
| * |
| * @param parent |
| * @param toolkit |
| * @return the structured viewer |
| */ |
| protected StructuredViewer createViewer(Composite parent, |
| FormToolkit toolkit) { |
| Composite tableContainer = toolkit.createComposite(parent); |
| toolkit.paintBordersFor(tableContainer); |
| |
| GridData gd = new GridData(GridData.FILL_BOTH); |
| gd.heightHint = 200; |
| tableContainer.setLayoutData(gd); |
| GridLayout layout = new GridLayout(); |
| tableContainer.setLayout(layout); |
| |
| TableViewer tableViewer = new TableViewer(tableContainer, SWT.SINGLE |
| | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER); |
| gd = new GridData(GridData.FILL_BOTH); |
| tableViewer.getControl().setLayoutData(gd); |
| |
| tableViewer.setContentProvider(new AdapterFactoryContentProvider( |
| getAdapterFactory())); |
| tableViewer.setLabelProvider(new AdapterFactoryLabelProvider( |
| getAdapterFactory())); |
| |
| configViewer(tableViewer); |
| |
| return tableViewer; |
| } |
| |
| /** |
| * Config the viewer, such as set a filter and so on. Sub classes should |
| * override this method to add filter. |
| * |
| * @param viewer |
| */ |
| protected void configViewer(StructuredViewer viewer) { |
| // do nothing; subs may override |
| } |
| |
| /** |
| * Defaultly we create a "New" button and a "Remove" button. Sub classes can |
| * overwrite this method if need other functions. |
| * |
| * @param parent |
| * @param toolkit |
| */ |
| protected void createOperationSection(Composite parent, FormToolkit toolkit) { |
| Composite operationContainer = toolkit.createComposite(parent); |
| GridData gd = new GridData(GridData.FILL_VERTICAL); |
| operationContainer.setLayoutData(gd); |
| GridLayout layout = new GridLayout(); |
| |
| operationContainer.setLayout(layout); |
| |
| Button addButton = toolkit.createButton(operationContainer, |
| EditorMessages.UI_Button_Add, SWT.PUSH); |
| gd = new GridData(GridData.FILL_HORIZONTAL |
| | GridData.VERTICAL_ALIGN_BEGINNING); |
| gd.grabExcessHorizontalSpace = false; |
| addButton.setLayoutData(gd); |
| |
| addButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| addButtonSelected(e); |
| } |
| }); |
| |
| setRemoveButton(toolkit.createButton(operationContainer, |
| EditorMessages.UI_Button_Remove, SWT.PUSH)); |
| |
| gd = new GridData(GridData.FILL_HORIZONTAL |
| | GridData.VERTICAL_ALIGN_BEGINNING); |
| gd.grabExcessHorizontalSpace = false; |
| getRemoveButton().setLayoutData(gd); |
| getRemoveButton().addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| removeButtonSelected(e); |
| } |
| }); |
| } |
| |
| /** |
| * |
| * @param e |
| */ |
| protected abstract void addButtonSelected(SelectionEvent e); |
| |
| /** |
| * |
| * @param e |
| */ |
| protected void removeButtonSelected(SelectionEvent e) { |
| |
| IStructuredSelection ssel = StructuredSelection.EMPTY; |
| ISelection selection = getSelection(); |
| if (selection instanceof IStructuredSelection) { |
| ssel = (IStructuredSelection) selection; |
| } |
| |
| if (!ssel.isEmpty()) { |
| List commands = new ArrayList(ssel.size()); |
| for (Iterator iter = ssel.iterator(); iter.hasNext();) { |
| EObject element = (EObject) iter.next(); |
| Command command = RemoveCommand.create(getEditingDomain(), |
| element); |
| commands.add(command); |
| } |
| |
| CompoundCommand command = new CompoundCommand(commands); |
| if (command.canExecute()) { |
| getEditingDomain().getCommandStack().execute(command); |
| } |
| } |
| |
| } |
| |
| /** |
| * |
| * update the buttons' enable state. |
| */ |
| protected void updateButtons() { |
| IStructuredSelection ssel = (IStructuredSelection) structuredViewer |
| .getSelection(); |
| |
| getRemoveButton().setEnabled(!ssel.isEmpty()); |
| } |
| |
| /** |
| * |
| */ |
| public ISelection getSelection() { |
| return structuredViewer.getSelection(); |
| } |
| |
| /** |
| * |
| */ |
| public void setSelection(ISelection selection) { |
| structuredViewer.setSelection(selection); |
| } |
| |
| /** |
| * refresh the display of this section. |
| */ |
| public void refresh() { |
| super.refresh(); |
| structuredViewer.refresh(); |
| updateButtons(); |
| } |
| |
| /** |
| * |
| */ |
| public void refreshAll() { |
| // master section refresh all: |
| setViewerInput(getInput()); |
| updateButtons(); |
| |
| // detial sections refresh: |
| // fire an event to the detail sections, let them |
| // refresh. |
| selectionChanged(null); |
| } |
| |
| /** |
| * set the structuredViewer's input |
| * |
| * @param input |
| */ |
| private void setViewerInput(Object input) { |
| structuredViewer.setInput(input); |
| } |
| |
| /** |
| * |
| */ |
| protected void expansionStateChanged(boolean expanded) { |
| if (expanded) { |
| if (structuredViewer.getInput() == null) { |
| refreshAll(); |
| } |
| structuredViewer.refresh(true); |
| structuredViewer.setSelection(structuredViewer.getSelection()); |
| } else { |
| structuredViewer.setSelection(null); |
| } |
| super.expansionStateChanged(expanded); |
| } |
| |
| /** |
| * |
| */ |
| protected void expansionStateChanging(boolean expanding) { |
| if (!expanding) { |
| GridData gd = new GridData(GridData.FILL_HORIZONTAL); |
| this.getSection().setLayoutData(gd); |
| } else { |
| ((FacesConfigMasterDetailPage) getPage()).closeOtherSections(this); |
| |
| GridData gd = new GridData(GridData.FILL_BOTH); |
| this.getSection().setLayoutData(gd); |
| } |
| |
| super.expansionStateChanging(expanding); |
| } |
| |
| /** |
| * get the viewer. |
| * |
| * @return the viewer |
| */ |
| public StructuredViewer getStructuredViewer() { |
| return structuredViewer; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.jsf.facesconfig.ui.section.AbstractFacesConfigSection#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent) |
| */ |
| public void selectionChanged(SelectionChangedEvent event) { |
| super.selectionChanged(event); |
| updateButtons(); |
| } |
| |
| private void setRemoveButton(Button removeButton) { |
| this.removeButton = removeButton; |
| } |
| |
| /** |
| * @return the remove button |
| */ |
| protected Button getRemoveButton() { |
| return removeButton; |
| } |
| } |