| /******************************************************************************* |
| * 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.wst.dtd.ui.internal.properties.section; |
| |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.CCombo; |
| import org.eclipse.swt.custom.CLabel; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.graphics.FontMetrics; |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.swt.layout.FormAttachment; |
| import org.eclipse.swt.layout.FormData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants; |
| import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory; |
| import org.eclipse.wst.dtd.core.internal.CMGroupNode; |
| import org.eclipse.wst.dtd.ui.internal.DTDPropertiesMessages; |
| |
| public class ContentModelGroupSection extends AbstractSection { |
| private final String SEQUENCE = DTDPropertiesMessages._UI_SEQUENCE; |
| private final String CHOICE = DTDPropertiesMessages._UI_CHOICE; |
| private final String MODEL_GROUP = DTDPropertiesMessages._UI_LABEL_MODEL_GROUP; |
| |
| private CCombo modelGroupCombo; |
| private String[] modelGroupComboValues = {SEQUENCE, CHOICE}; |
| private FontMetrics fFontMetrics; |
| |
| /** |
| * @see org.eclipse.wst.common.ui.properties.internal.provisional.ITabbedPropertySection#createControls(org.eclipse.swt.widgets.Composite, |
| * org.eclipse.wst.common.ui.properties.internal.provisional.TabbedPropertySheetWidgetFactory) |
| */ |
| public void createControls(Composite parent, TabbedPropertySheetWidgetFactory factory) { |
| super.createControls(parent, factory); |
| Composite composite = getWidgetFactory().createFlatFormComposite(parent); |
| |
| // Create label first then attach other control to it |
| CLabel cLabel = getWidgetFactory().createCLabel(composite, MODEL_GROUP); |
| initializeFontMetrics(cLabel); |
| int labelWidth = getLabelWidth(cLabel.getText()); |
| FormData data = new FormData(labelWidth, SWT.DEFAULT); |
| data.left = new FormAttachment(0, 0); |
| data.top = new FormAttachment(0, 0); |
| cLabel.setLayoutData(data); |
| |
| modelGroupCombo = getWidgetFactory().createCCombo(composite, SWT.FLAT); |
| data = new FormData(); |
| data.left = new FormAttachment(cLabel, -ITabbedPropertyConstants.HSPACE); |
| data.right = new FormAttachment(100); |
| data.top = new FormAttachment(cLabel, 0, SWT.CENTER); |
| modelGroupCombo.setLayoutData(data); |
| modelGroupCombo.addSelectionListener(this); |
| modelGroupCombo.setItems(modelGroupComboValues); |
| } |
| |
| /* |
| * @see org.eclipse.wst.common.ui.properties.internal.provisional.view.ITabbedPropertySection#refresh() |
| */ |
| public void refresh() { |
| setListenerEnabled(false); |
| Object input = getInput(); |
| if (input != null) { |
| if (input instanceof CMGroupNode) { |
| CMGroupNode node = (CMGroupNode) input; |
| char modelType = node.getConnector(); |
| if (CMGroupNode.CHOICE == modelType) |
| modelGroupCombo.setText(CHOICE); |
| else if (CMGroupNode.SEQUENCE == modelType) |
| modelGroupCombo.setText(SEQUENCE); |
| } |
| } |
| setListenerEnabled(true); |
| } |
| |
| public void widgetSelected(SelectionEvent e) { |
| if (e.widget == modelGroupCombo) { |
| Object input = getInput(); |
| if (input instanceof CMGroupNode) { |
| CMGroupNode node = (CMGroupNode) input; |
| if (CHOICE.equals(modelGroupCombo.getText())) |
| node.setConnector(CMGroupNode.CHOICE); |
| else if (SEQUENCE.equals(modelGroupCombo.getText())) |
| node.setConnector(CMGroupNode.SEQUENCE); |
| } |
| } |
| } |
| |
| /** |
| * Initilize font metrics |
| * |
| * @param control |
| */ |
| private void initializeFontMetrics(Control control) { |
| GC gc = new GC(control); |
| gc.setFont(control.getFont()); |
| fFontMetrics = gc.getFontMetrics(); |
| gc.dispose(); |
| } |
| |
| /** |
| * Determine appropriate label width |
| * |
| * @param labelText |
| * @return |
| */ |
| private int getLabelWidth(String labelText) { |
| int labelWidth = 98; |
| |
| int pixels = Dialog.convertWidthInCharsToPixels(fFontMetrics, labelText.length() + 5); |
| labelWidth = Math.max(pixels, labelWidth); |
| return labelWidth; |
| } |
| |
| } |