| /******************************************************************************* |
| * 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.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.layout.FormAttachment; |
| import org.eclipse.swt.layout.FormData; |
| import org.eclipse.swt.widgets.Button; |
| 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 for measurements. There is a text |
| * field for the mesurement value and a radio box for the measurement units. For |
| * example, weight in either pounds or kilograms. |
| * |
| * @author Anthony Hunter |
| */ |
| public abstract class AbstractMeasurementPropertySection |
| extends AbstractIntegerPropertySection { |
| |
| /** |
| * the left radio button for the section. |
| */ |
| protected Button radioLeft; |
| |
| /** |
| * the right radio button for the section. |
| */ |
| protected Button radioRight; |
| |
| /** |
| * @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); |
| |
| String[] labels = getEnumerationLabels(); |
| |
| radioLeft = getWidgetFactory().createButton(composite, labels[0], |
| SWT.RADIO); |
| FormData data = new FormData(); |
| data.left = new FormAttachment(0, 0); |
| data.top = new FormAttachment(0, ITabbedPropertyConstants.VSPACE); |
| radioLeft.setLayoutData(data); |
| |
| radioRight = getWidgetFactory().createButton(composite, labels[1], |
| SWT.RADIO); |
| data = new FormData(); |
| data.left = new FormAttachment(radioLeft, |
| ITabbedPropertyConstants.HSPACE); |
| data.right = new FormAttachment(100, 0); |
| data.top = new FormAttachment(0, ITabbedPropertyConstants.VSPACE); |
| radioRight.setLayoutData(data); |
| |
| SelectionListener selectionListener = new SelectionListener() { |
| |
| public void widgetSelected(SelectionEvent e) { |
| handleRadioModified(((Button) e.getSource())); |
| } |
| |
| public void widgetDefaultSelected(SelectionEvent e) { |
| widgetSelected(e); |
| } |
| |
| }; |
| |
| radioLeft.addSelectionListener(selectionListener); |
| radioRight.addSelectionListener(selectionListener); |
| } |
| |
| /** |
| * Handle the radio box modified event. |
| */ |
| protected void handleRadioModified(Button button) { |
| |
| int index; |
| if (button == radioLeft) { |
| index = 0; |
| } else { |
| index = 1; |
| } |
| boolean equals = isEnumerationEqual(index); |
| if (!equals) { |
| EditingDomain editingDomain = ((HockeyleagueEditor) getPart()) |
| .getEditingDomain(); |
| Object value = getEnumerationFeatureValue(index); |
| if (eObjectList.size() == 1) { |
| /* apply the property change to single selected object */ |
| editingDomain.getCommandStack().execute( |
| SetCommand.create(editingDomain, eObject, |
| getEnumerationFeature(), 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, getEnumerationFeature(), value)); |
| } |
| editingDomain.getCommandStack().execute(compoundCommand); |
| } |
| } |
| } |
| |
| /** |
| * @see org.eclipse.ui.views.properties.tabbed.ISection#refresh() |
| */ |
| public void refresh() { |
| super.refresh(); |
| if (getEnumerationIndex() == 0) { |
| radioLeft.setSelection(true); |
| radioRight.setSelection(false); |
| } else { |
| radioLeft.setSelection(false); |
| radioRight.setSelection(true); |
| } |
| |
| } |
| |
| /** |
| * 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 isEnumerationEqual(int index); |
| |
| /** |
| * Get the feature for the enumeration field for the section. |
| * |
| * @return the feature for the text. |
| */ |
| protected abstract EAttribute getEnumerationFeature(); |
| |
| /** |
| * Get the enumeration values of the feature for the radio field for the |
| * section. |
| * |
| * @return the list of values of the feature as text. |
| */ |
| protected abstract String[] getEnumerationLabels(); |
| |
| /** |
| * Get the index value of the feature for the radio field for the section. |
| * |
| * @return the index value of the feature. |
| */ |
| protected abstract int getEnumerationIndex(); |
| |
| /** |
| * 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 getEnumerationFeatureValue(int index); |
| } |