| /******************************************************************************* |
| * Copyright (c) 2006 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.examples.views.properties.tabbed.hockeyleague.ui.properties.sections; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.emf.common.command.CompoundCommand; |
| import org.eclipse.emf.ecore.EAttribute; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.edit.command.SetCommand; |
| import org.eclipse.emf.edit.domain.EditingDomain; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.CCombo; |
| import org.eclipse.swt.custom.CLabel; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.layout.FormAttachment; |
| import org.eclipse.swt.layout.FormData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.ui.examples.views.properties.tabbed.hockeyleague.ui.editor.HockeyleagueEditor; |
| import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants; |
| import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage; |
| |
| /** |
| * An abstract implementation of a section with a enumeration field using a |
| * combo box (pulldown). |
| * |
| * @author Anthony Hunter |
| */ |
| public abstract class AbstractEnumerationPropertySection |
| extends AbstractHockeyleaguePropertySection { |
| |
| /** |
| * the combo box control for the section. |
| */ |
| protected CCombo combo; |
| |
| /** |
| * @see org.eclipse.ui.views.properties.tabbed.ISection#createControls(org.eclipse.swt.widgets.Composite, |
| * org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage) |
| */ |
| public void createControls(Composite parent, |
| TabbedPropertySheetPage aTabbedPropertySheetPage) { |
| super.createControls(parent, aTabbedPropertySheetPage); |
| Composite composite = getWidgetFactory() |
| .createFlatFormComposite(parent); |
| FormData data; |
| |
| combo = getWidgetFactory().createCCombo(composite); |
| data = new FormData(); |
| data.left = new FormAttachment(0, getStandardLabelWidth(composite, |
| new String[] {getLabelText()})); |
| data.right = new FormAttachment(100, 0); |
| data.top = new FormAttachment(0, ITabbedPropertyConstants.VSPACE); |
| combo.setLayoutData(data); |
| |
| CLabel nameLabel = getWidgetFactory().createCLabel(composite, |
| getLabelText()); |
| data = new FormData(); |
| data.left = new FormAttachment(0, 0); |
| data.right = new FormAttachment(combo, -ITabbedPropertyConstants.HSPACE); |
| data.top = new FormAttachment(combo, 0, SWT.CENTER); |
| nameLabel.setLayoutData(data); |
| |
| combo.addSelectionListener(new SelectionAdapter() { |
| |
| public void widgetSelected(SelectionEvent event) { |
| handleComboModified(); |
| } |
| }); |
| } |
| |
| /** |
| * Handle the combo modified event. |
| */ |
| protected void handleComboModified() { |
| |
| int index = combo.getSelectionIndex(); |
| boolean equals = isEqual(index); |
| if (!equals) { |
| EditingDomain editingDomain = ((HockeyleagueEditor) getPart()) |
| .getEditingDomain(); |
| Object value = getFeatureValue(index); |
| if (eObjectList.size() == 1) { |
| /* apply the property change to single selected object */ |
| editingDomain.getCommandStack().execute( |
| SetCommand.create(editingDomain, eObject, getFeature(), |
| value)); |
| } else { |
| CompoundCommand compoundCommand = new CompoundCommand(); |
| /* apply the property change to all selected elements */ |
| for (Iterator i = eObjectList.iterator(); i.hasNext();) { |
| EObject nextObject = (EObject) i.next(); |
| compoundCommand.append(SetCommand.create(editingDomain, |
| nextObject, getFeature(), value)); |
| } |
| editingDomain.getCommandStack().execute(compoundCommand); |
| } |
| } |
| } |
| |
| /** |
| * @see org.eclipse.ui.views.properties.tabbed.ISection#refresh() |
| */ |
| public void refresh() { |
| combo.setItems(getEnumerationFeatureValues()); |
| combo.setText(getFeatureAsText()); |
| } |
| |
| /** |
| * Determine if the provided index of the enumeration is equal to the |
| * current setting of the enumeration property. |
| * |
| * @param index |
| * the new index in the enumeration. |
| * @return <code>true</code> if the new index value is equal to the |
| * current property setting. |
| */ |
| protected abstract boolean isEqual(int index); |
| |
| /** |
| * Get the feature for the combo field for the section. |
| * |
| * @return the feature for the text. |
| */ |
| protected abstract EAttribute getFeature(); |
| |
| /** |
| * Get the enumeration values of the feature for the combo field for the |
| * section. |
| * |
| * @return the list of values of the feature as text. |
| */ |
| protected abstract String[] getEnumerationFeatureValues(); |
| |
| /** |
| * Get the value of the feature as text for the combo field for the section. |
| * |
| * @return the value of the feature as text. |
| */ |
| protected abstract String getFeatureAsText(); |
| |
| /** |
| * Get the new value of the feature for the text field for the section. |
| * |
| * @param index |
| * the new index in the enumeration. |
| * @return the new value of the feature. |
| */ |
| protected abstract Object getFeatureValue(int index); |
| |
| /** |
| * Get the label for the combo field for the section. |
| * |
| * @return the label for the text field. |
| */ |
| protected abstract String getLabelText(); |
| } |