| /******************************************************************************* |
| * Copyright (c) 2005, 2007 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.SWTFactory; |
| import org.eclipse.debug.internal.ui.preferences.IDebugPreferenceConstants; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| 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.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Group; |
| import org.eclipse.ui.PlatformUI; |
| |
| public class TableRenderingPreferencePage extends PreferencePage implements |
| IPropertyChangeListener, SelectionListener{ |
| |
| private Button fAuto; |
| private Button fManual; |
| private IntegerFieldEditor fPreBufferSize; |
| private IntegerFieldEditor fPostBufferSize; |
| private IntegerFieldEditor fPageSize; |
| private Group fGroup; |
| private Composite fComposite; |
| |
| |
| public TableRenderingPreferencePage(String title) { |
| super(title); |
| } |
| |
| protected Control createContents(Composite parent) { |
| |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IDebugUIConstants.PLUGIN_ID + ".table_renderings_preference_page_context"); //$NON-NLS-1$ |
| |
| fComposite = new Composite(parent, SWT.NONE); |
| fComposite.setLayout(new GridLayout()); |
| GridData data = new GridData(SWT.FILL, SWT.FILL, true, false); |
| fComposite.setLayoutData(data); |
| |
| GridData hspanData = new GridData(SWT.FILL, SWT.FILL, true, false); |
| hspanData.horizontalSpan = 2; |
| |
| SWTFactory.createWrapLabel(fComposite, DebugUIMessages.TableRenderingPreferencePage_10, 2, 300); |
| |
| fAuto = new Button(fComposite, SWT.RADIO); |
| fAuto.setText(DebugUIMessages.TableRenderingPreferencePage_0); |
| fAuto.setLayoutData(hspanData); |
| |
| fGroup = new Group(fComposite, SWT.NONE); |
| fGroup.setText(DebugUIMessages.TableRenderingPreferencePage_5); |
| GridData groupData = new GridData(SWT.FILL, SWT.FILL, true, false); |
| groupData.horizontalSpan = 2; |
| fGroup.setLayoutData(groupData); |
| fPreBufferSize = new IntegerFieldEditor(IDebugPreferenceConstants.PREF_TABLE_RENDERING_PRE_BUFFER_SIZE, DebugUIMessages.TableRenderingPreferencePage_6, fGroup); |
| fPreBufferSize.setPreferenceStore(getPreferenceStore()); |
| fPreBufferSize.load(); |
| fPostBufferSize = new IntegerFieldEditor(IDebugPreferenceConstants.PREF_TABLE_RENDERING_POST_BUFFER_SIZE, DebugUIMessages.TableRenderingPreferencePage_7, fGroup); |
| fPostBufferSize.setPreferenceStore(getPreferenceStore()); |
| fPostBufferSize.load(); |
| |
| fManual = new Button(fComposite, SWT.RADIO); |
| fManual.setText(DebugUIMessages.TableRenderingPreferencePage_8); |
| fManual.setLayoutData(hspanData); |
| |
| fPageSize = new IntegerFieldEditor(IDebugPreferenceConstants.PREF_TABLE_RENDERING_PAGE_SIZE, DebugUIMessages.TableRenderingPreferencePage_2, fComposite); |
| fPageSize.setPreferenceStore(getPreferenceStore()); |
| fPageSize.load(); |
| |
| fPreBufferSize.setPropertyChangeListener(this); |
| fPostBufferSize.setPropertyChangeListener(this); |
| fPageSize.setPropertyChangeListener(this); |
| |
| fAuto.addSelectionListener(this); |
| fManual.addSelectionListener(this); |
| |
| loadLoadingModeFromPreference(); |
| updateTextEditorsEnablement(); |
| |
| return fComposite; |
| } |
| |
| /** |
| * |
| */ |
| private void loadLoadingModeFromPreference() { |
| boolean isAuto = getPreferenceStore().getBoolean(IDebugPreferenceConstants.PREF_DYNAMIC_LOAD_MEM); |
| fAuto.setSelection(isAuto); |
| fManual.setSelection(!isAuto); |
| } |
| |
| public void propertyChange(PropertyChangeEvent event) { |
| if (event.getProperty().equals(FieldEditor.VALUE)) |
| { |
| if (event.getSource().equals(fPageSize) || |
| event.getSource().equals(fPostBufferSize) || |
| event.getSource().equals(fPreBufferSize)) |
| { |
| validatePageSize(); |
| } |
| } |
| |
| } |
| |
| private void validatePageSize() { |
| boolean autoLoad = fAuto.getSelection(); |
| try { |
| int bufferSize = fPageSize.getIntValue(); |
| int preBuffer = fPreBufferSize.getIntValue(); |
| int postBuffer = fPostBufferSize.getIntValue(); |
| if (!autoLoad && bufferSize < 1) |
| { |
| setValid(false); |
| setErrorMessage(DebugUIMessages.TableRenderingPreferencePage_3); |
| } |
| else if (autoLoad) |
| { |
| // For auto load mode, we must have have > 1 buffer size |
| // otherwise, the rendering cannot be loaded dynamically |
| |
| if (preBuffer < 1 || postBuffer < 1) |
| { |
| setValid(false); |
| setErrorMessage(DebugUIMessages.TableRenderingPreferencePage_9); |
| } |
| else |
| { |
| setValid(true); |
| setErrorMessage(null); |
| } |
| } |
| else |
| { |
| setValid(true); |
| setErrorMessage(null); |
| |
| } |
| } catch (NumberFormatException e) { |
| setValid(false); |
| setErrorMessage(DebugUIMessages.TableRenderingPreferencePage_4); |
| } |
| } |
| |
| protected IPreferenceStore doGetPreferenceStore() { |
| return DebugUIPlugin.getDefault().getPreferenceStore(); |
| } |
| |
| public void dispose() { |
| fAuto.removeSelectionListener(this); |
| fManual.removeSelectionListener(this); |
| fPageSize.setPropertyChangeListener(null); |
| fPreBufferSize.setPropertyChangeListener(null); |
| fPostBufferSize.setPropertyChangeListener(null); |
| super.dispose(); |
| } |
| |
| public void widgetDefaultSelected(SelectionEvent e) { |
| // do nothing |
| } |
| |
| public void widgetSelected(SelectionEvent e) { |
| updateTextEditorsEnablement(); |
| } |
| |
| public boolean performOk() { |
| boolean auto = fAuto.getSelection(); |
| boolean currentValue = getPreferenceStore().getBoolean(IDebugPreferenceConstants.PREF_DYNAMIC_LOAD_MEM); |
| if (auto != currentValue) |
| getPreferenceStore().setValue(IDebugPreferenceConstants.PREF_DYNAMIC_LOAD_MEM, auto); |
| |
| fPageSize.store(); |
| fPreBufferSize.store(); |
| fPostBufferSize.store(); |
| return super.performOk(); |
| } |
| |
| protected void performDefaults() { |
| |
| boolean auto = getPreferenceStore().getDefaultBoolean(IDebugPreferenceConstants.PREF_DYNAMIC_LOAD_MEM); |
| fAuto.setSelection(auto); |
| fManual.setSelection(!auto); |
| updateTextEditorsEnablement(); |
| |
| fPageSize.loadDefault(); |
| fPreBufferSize.loadDefault(); |
| fPostBufferSize.loadDefault(); |
| super.performDefaults(); |
| } |
| |
| /** |
| * |
| */ |
| private void updateTextEditorsEnablement() { |
| boolean auto = fAuto.getSelection(); |
| fPreBufferSize.setEnabled(auto, fGroup); |
| fPostBufferSize.setEnabled(auto, fGroup); |
| fPageSize.setEnabled(!auto, fComposite); |
| } |
| } |