| /******************************************************************************* |
| * Copyright (c) 2005, 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.sse.ui.internal.preferences.ui; |
| |
| import org.eclipse.jface.preference.PreferencePage; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.ScrolledComposite; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.IWorkbench; |
| import org.eclipse.ui.IWorkbenchPreferencePage; |
| import org.eclipse.wst.sse.ui.internal.SSEUIMessages; |
| |
| public class EmptyFilePreferencePage extends PreferencePage implements IWorkbenchPreferencePage { |
| |
| private Composite createComposite(Composite parent, int numColumns) { |
| noDefaultAndApplyButton(); |
| |
| Composite composite = new Composite(parent, SWT.NULL); |
| |
| // GridLayout |
| GridLayout layout = new GridLayout(); |
| layout.numColumns = numColumns; |
| composite.setLayout(layout); |
| |
| // GridData |
| GridData data = new GridData(GridData.FILL); |
| data.horizontalIndent = 0; |
| data.verticalAlignment = GridData.FILL; |
| data.horizontalAlignment = GridData.FILL; |
| composite.setLayoutData(data); |
| |
| return composite; |
| } |
| |
| protected Control createContents(Composite parent) { |
| Composite composite = createScrolledComposite(parent); |
| |
| String description = SSEUIMessages.EmptyFilePreferencePage_0; //$NON-NLS-1$ |
| Text text = new Text(composite, SWT.READ_ONLY); |
| // some themes on GTK have different background colors for Text and Labels |
| text.setBackground(composite.getBackground()); |
| text.setText(description); |
| |
| setSize(composite); |
| return composite; |
| } |
| |
| private Composite createScrolledComposite(Composite parent) { |
| // create scrollbars for this parent when needed |
| final ScrolledComposite sc1 = new ScrolledComposite(parent, SWT.H_SCROLL | SWT.V_SCROLL); |
| sc1.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| Composite composite = createComposite(sc1, 1); |
| sc1.setContent(composite); |
| |
| // not calling setSize for composite will result in a blank composite, |
| // so calling it here initially |
| // setSize actually needs to be called after all controls are created, |
| // so scrolledComposite |
| // has correct minSize |
| setSize(composite); |
| return composite; |
| } |
| |
| public void init(IWorkbench workbench) { |
| } |
| |
| private void setSize(Composite composite) { |
| if (composite != null) { |
| // Note: The font is set here in anticipation that the class inheriting |
| // this base class may add widgets to the dialog. setSize |
| // is assumed to be called just before we go live. |
| applyDialogFont(composite); |
| Point minSize = composite.computeSize(SWT.DEFAULT, SWT.DEFAULT); |
| composite.setSize(minSize); |
| // set scrollbar composite's min size so page is expandable but |
| // has scrollbars when needed |
| if (composite.getParent() instanceof ScrolledComposite) { |
| ScrolledComposite sc1 = (ScrolledComposite) composite.getParent(); |
| sc1.setMinSize(minSize); |
| sc1.setExpandHorizontal(true); |
| sc1.setExpandVertical(true); |
| } |
| } |
| } |
| } |