| /******************************************************************************* |
| * Copyright (c) 2005 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.debug.internal.ui.views.memory.renderings; |
| |
| import org.eclipse.debug.internal.ui.DebugUIMessages; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.internal.ui.preferences.IDebugPreferenceConstants; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| import org.eclipse.jface.preference.BooleanFieldEditor; |
| import org.eclipse.jface.preference.FieldEditor; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.preference.IntegerFieldEditor; |
| import org.eclipse.jface.preference.PreferencePage; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.ui.PlatformUI; |
| |
| public class TableRenderingPreferencePage extends PreferencePage implements |
| IPropertyChangeListener{ |
| |
| private BooleanFieldEditor fAutoLoadPref; |
| private IntegerFieldEditor fPageSizePref; |
| private Composite fBufferComposite; |
| |
| public TableRenderingPreferencePage(String title) |
| { |
| super(title); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite) |
| */ |
| protected Control createContents(Composite parent) { |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IDebugUIConstants.PLUGIN_ID + ".table_renderings_preference_page_context"); //$NON-NLS-1$ |
| |
| Composite composite = new Composite(parent, SWT.NONE); |
| GridData data = new GridData(); |
| data.horizontalAlignment = SWT.FILL; |
| composite.setLayoutData(data); |
| |
| fAutoLoadPref = new BooleanFieldEditor(IDebugPreferenceConstants.PREF_DYNAMIC_LOAD_MEM, DebugUIMessages.TableRenderingPreferencePage_1, composite); |
| fAutoLoadPref.setPreferenceStore(getPreferenceStore()); |
| fAutoLoadPref.load(); |
| |
| fBufferComposite = new Composite(composite, SWT.NONE); |
| data = new GridData(); |
| data.horizontalAlignment = SWT.FILL; |
| fBufferComposite.setLayoutData(data); |
| |
| fPageSizePref = new IntegerFieldEditor(IDebugPreferenceConstants.PREF_TABLE_RENDERING_PAGE_SIZE, DebugUIMessages.TableRenderingPreferencePage_2, fBufferComposite); |
| fPageSizePref.setPreferenceStore(getPreferenceStore()); |
| fPageSizePref.load(); |
| |
| boolean autoLoad = getPreferenceStore().getBoolean(IDebugPreferenceConstants.PREF_DYNAMIC_LOAD_MEM); |
| if (autoLoad) |
| fPageSizePref.setEnabled(false, fBufferComposite); |
| else |
| fPageSizePref.setEnabled(true, fBufferComposite); |
| |
| fAutoLoadPref.setPropertyChangeListener(this); |
| fPageSizePref.setPropertyChangeListener(this); |
| fPageSizePref.setValidRange(1, Integer.MAX_VALUE); |
| |
| return composite; |
| } |
| |
| |
| public boolean performOk() { |
| fAutoLoadPref.store(); |
| fPageSizePref.store(); |
| return super.performOk(); |
| } |
| |
| protected void performDefaults() { |
| fAutoLoadPref.loadDefault(); |
| fPageSizePref.loadDefault(); |
| updatePageSizePref(); |
| super.performDefaults(); |
| } |
| |
| protected IPreferenceStore doGetPreferenceStore() { |
| return DebugUIPlugin.getDefault().getPreferenceStore(); |
| } |
| |
| public void propertyChange(PropertyChangeEvent event) { |
| if (event.getProperty().equals(FieldEditor.VALUE)) |
| { |
| if (event.getSource().equals(fAutoLoadPref)) |
| { |
| updatePageSizePref(); |
| validatePageSize(); |
| } |
| } |
| if (event.getProperty().equals(FieldEditor.VALUE)) |
| { |
| if (event.getSource().equals(fPageSizePref)) |
| { |
| validatePageSize(); |
| } |
| } |
| } |
| |
| private void updatePageSizePref() { |
| boolean autoLoad = fAutoLoadPref.getBooleanValue(); |
| if (autoLoad) |
| { |
| fPageSizePref.setEnabled(false, fBufferComposite); |
| } |
| else |
| { |
| fPageSizePref.setEnabled(true, fBufferComposite); |
| } |
| } |
| |
| private void validatePageSize() { |
| boolean autoLoad = fAutoLoadPref.getBooleanValue(); |
| try { |
| int bufferSize = fPageSizePref.getIntValue(); |
| if (!autoLoad && bufferSize < 1) |
| { |
| setValid(false); |
| setErrorMessage(DebugUIMessages.TableRenderingPreferencePage_3); |
| } |
| else |
| { |
| setValid(true); |
| setErrorMessage(null); |
| |
| } |
| } catch (NumberFormatException e) { |
| if (!autoLoad) |
| { |
| setValid(false); |
| setErrorMessage(DebugUIMessages.TableRenderingPreferencePage_4); |
| } |
| } |
| } |
| |
| public void dispose() { |
| |
| fAutoLoadPref.setPropertyChangeListener(null); |
| fPageSizePref.setPropertyChangeListener(null); |
| super.dispose(); |
| } |
| } |