| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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.core.runtime.Preferences; |
| import org.eclipse.jface.preference.PreferencePage; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.BusyIndicator; |
| import org.eclipse.swt.custom.ScrolledComposite; |
| import org.eclipse.swt.events.ModifyEvent; |
| import org.eclipse.swt.events.ModifyListener; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Combo; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Group; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.IWorkbench; |
| import org.eclipse.ui.IWorkbenchPreferencePage; |
| import org.eclipse.wst.sse.core.internal.SSECorePlugin; |
| import org.eclipse.wst.sse.ui.internal.SSEUIMessages; |
| import org.eclipse.wst.sse.ui.internal.SSEUIPlugin; |
| |
| /** |
| * (pa) why is this class abstract if there are no abstract methods? |
| */ |
| public abstract class AbstractPreferencePage extends PreferencePage implements ModifyListener, SelectionListener, IWorkbenchPreferencePage { |
| |
| protected final static int WIDTH_VALIDATION_LOWER_LIMIT = 0; //$NON-NLS-1$ |
| protected final static int WIDTH_VALIDATION_UPPER_LIMIT = 999; //$NON-NLS-1$ |
| |
| protected Button createCheckBox(Composite group, String label) { |
| Button button = new Button(group, SWT.CHECK | SWT.LEFT); |
| button.setText(label); |
| |
| //GridData |
| GridData data = new GridData(GridData.FILL); |
| data.verticalAlignment = GridData.CENTER; |
| data.horizontalAlignment = GridData.FILL; |
| button.setLayoutData(data); |
| |
| return button; |
| } |
| |
| protected Composite createComposite(Composite parent, int numColumns) { |
| 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) { |
| return createScrolledComposite(parent); |
| } |
| |
| protected Combo createDropDownBox(Composite parent) { |
| Combo comboBox = new Combo(parent, SWT.DROP_DOWN | SWT.READ_ONLY); |
| |
| //GridData |
| GridData data = new GridData(); |
| data.verticalAlignment = GridData.CENTER; |
| data.horizontalAlignment = GridData.FILL; |
| data.grabExcessHorizontalSpace = true; |
| comboBox.setLayoutData(data); |
| |
| return comboBox; |
| } |
| |
| protected Group createGroup(Composite parent, int numColumns) { |
| Group group = new Group(parent, SWT.NULL); |
| |
| //GridLayout |
| GridLayout layout = new GridLayout(); |
| layout.numColumns = numColumns; |
| group.setLayout(layout); |
| |
| //GridData |
| GridData data = new GridData(GridData.FILL); |
| data.horizontalIndent = 0; |
| data.verticalAlignment = GridData.FILL; |
| data.horizontalAlignment = GridData.FILL; |
| data.grabExcessHorizontalSpace = true; |
| group.setLayoutData(data); |
| |
| return group; |
| } |
| |
| protected Label createLabel(Composite parent, String text) { |
| Label label = new Label(parent, SWT.LEFT); |
| label.setText(text); |
| |
| |
| //GridData |
| GridData data = new GridData(GridData.FILL); |
| data.verticalAlignment = GridData.CENTER; |
| data.horizontalAlignment = GridData.FILL; |
| label.setLayoutData(data); |
| |
| return label; |
| } |
| |
| protected Button createRadioButton(Composite group, String label) { |
| Button button = new Button(group, SWT.RADIO); |
| button.setText(label); |
| |
| //GridData |
| GridData data = new GridData(GridData.FILL); |
| data.verticalAlignment = GridData.CENTER; |
| data.horizontalAlignment = GridData.FILL; |
| button.setLayoutData(data); |
| |
| return button; |
| } |
| |
| protected 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; |
| } |
| |
| protected Label createSeparator(Composite parent, int columnSpan) { |
| // Create a spacer line |
| Label separator = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL); |
| |
| //GridData |
| GridData data = new GridData(GridData.FILL); |
| data.verticalAlignment = GridData.CENTER; |
| data.horizontalAlignment = GridData.FILL; |
| data.horizontalSpan = columnSpan; |
| |
| separator.setLayoutData(data); |
| return separator; |
| } |
| |
| protected Text createTextField(Composite parent) { |
| Text text = new Text(parent, SWT.SINGLE | SWT.BORDER); |
| |
| //GridData |
| GridData data = new GridData(); |
| data.verticalAlignment = GridData.CENTER; |
| data.horizontalAlignment = GridData.FILL; |
| data.grabExcessHorizontalSpace = true; |
| text.setLayoutData(data); |
| |
| return text; |
| } |
| |
| protected void enableValues() { |
| } |
| |
| protected Preferences getModelPreferences() { |
| return SSECorePlugin.getDefault().getPluginPreferences(); |
| } |
| |
| public void init(IWorkbench workbench) { |
| } |
| |
| protected void initializeValues() { |
| } |
| |
| protected boolean loadPreferences() { |
| BusyIndicator.showWhile(getControl().getDisplay(), new Runnable() { |
| public void run() { |
| initializeValues(); |
| validateValues(); |
| enableValues(); |
| } |
| }); |
| return true; |
| } |
| |
| public void modifyText(ModifyEvent e) { |
| // If we are called too early, i.e. before the controls are created |
| // then return |
| // to avoid null pointer exceptions |
| if (e.widget != null && e.widget.isDisposed()) |
| return; |
| |
| validateValues(); |
| enableValues(); |
| } |
| |
| protected void performDefaults() { |
| super.performDefaults(); |
| } |
| |
| public boolean performOk() { |
| savePreferences(); |
| return true; |
| } |
| |
| protected boolean savePreferences() { |
| BusyIndicator.showWhile(getControl().getDisplay(), new Runnable() { |
| public void run() { |
| storeValues(); |
| } |
| }); |
| return true; |
| } |
| |
| protected void setInvalidInputMessage(String widthText) { |
| String msg = NLS.bind(SSEUIMessages._4concat, (new Object[]{widthText})); |
| setErrorMessage(msg); |
| } |
| |
| protected void setSize(Composite composite) { |
| if (composite != null) { |
| 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); |
| } |
| } |
| } |
| |
| protected void storeValues() { |
| SSEUIPlugin.getDefault().savePluginPreferences(); |
| } |
| |
| protected void validateValues() { |
| } |
| |
| public void widgetDefaultSelected(SelectionEvent e) { |
| widgetSelected(e); |
| } |
| |
| public void widgetSelected(SelectionEvent e) { |
| // If we are called too early, i.e. before the controls are created |
| // then return |
| // to avoid null pointer exceptions |
| if (e.widget != null && e.widget.isDisposed()) |
| return; |
| |
| validateValues(); |
| enableValues(); |
| } |
| } |