| /******************************************************************************* |
| * 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.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.preference.StringFieldEditor; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.jface.text.Assert; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.wst.sse.ui.internal.SSEUIMessages; |
| import org.eclipse.wst.sse.ui.internal.SSEUIPlugin; |
| import org.eclipse.wst.sse.ui.internal.preferences.EditorPreferenceNames; |
| |
| public class TranslucencyPreferenceTab implements IPreferenceTab { |
| |
| private PreferencePage fMainPreferencePage; |
| private IntegerFieldEditor fTranslucencyScale = null; |
| private final int MAX_PERCENTAGE = 100; |
| |
| private IPropertyChangeListener validityChangeListener = new IPropertyChangeListener() { |
| public void propertyChange(PropertyChangeEvent event) { |
| if (event.getProperty().equals(FieldEditor.IS_VALID)) |
| updateValidState(); |
| } |
| }; |
| |
| /** |
| * |
| */ |
| public TranslucencyPreferenceTab() { |
| super(); |
| } |
| |
| public TranslucencyPreferenceTab(PreferencePage mainPreferencePage) { |
| Assert.isNotNull(mainPreferencePage); |
| setMainPreferencePage(mainPreferencePage); |
| } |
| |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.wst.sse.ui.preferences.ui.IPreferenceTab#createContents(org.eclipse.swt.widgets.Composite) |
| */ |
| public Control createContents(Composite tabFolder) { |
| Composite composite = new Composite(tabFolder, SWT.NULL); |
| GridLayout layout = new GridLayout(); |
| layout.numColumns = 2; |
| composite.setLayout(layout); |
| |
| String text = SSEUIMessages.TranslucencyPreferenceTab_1; //$NON-NLS-1$ |
| fTranslucencyScale = new IntegerFieldEditor(EditorPreferenceNames.READ_ONLY_FOREGROUND_SCALE, text, composite); |
| |
| fTranslucencyScale.setErrorMessage(JFaceResources.getString("StringFieldEditor.errorMessage"));//$NON-NLS-1$ |
| fTranslucencyScale.setPreferenceStore(getPreferenceStore()); |
| fTranslucencyScale.setPreferencePage(getMainPreferencePage()); |
| fTranslucencyScale.setTextLimit(Integer.toString(MAX_PERCENTAGE).length()); |
| fTranslucencyScale.setValidateStrategy(StringFieldEditor.VALIDATE_ON_KEY_STROKE); |
| fTranslucencyScale.setValidRange(0, MAX_PERCENTAGE); |
| fTranslucencyScale.load(); |
| fTranslucencyScale.setPropertyChangeListener(validityChangeListener); |
| |
| // PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.PREFWEBX_READONLY_HELPID); |
| return composite; |
| } |
| |
| /** |
| * @return Returns the fMainPreferencePage. |
| */ |
| private PreferencePage getMainPreferencePage() { |
| return fMainPreferencePage; |
| } |
| |
| /** |
| * @return Returns the preference store used in this tab |
| */ |
| private IPreferenceStore getPreferenceStore() { |
| return SSEUIPlugin.getDefault().getPreferenceStore(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.wst.sse.ui.preferences.ui.IPreferenceTab#getTitle() |
| */ |
| public String getTitle() { |
| return SSEUIMessages.TranslucencyPreferenceTab_0; //$NON-NLS-1$ |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.wst.sse.ui.preferences.ui.IPreferenceTab#performApply() |
| */ |
| public void performApply() { |
| fTranslucencyScale.store(); |
| SSEUIPlugin.getDefault().savePluginPreferences(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.wst.sse.ui.preferences.ui.IPreferenceTab#performDefaults() |
| */ |
| public void performDefaults() { |
| fTranslucencyScale.loadDefault(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.wst.sse.ui.preferences.ui.IPreferenceTab#performOk() |
| */ |
| public void performOk() { |
| performApply(); |
| } |
| |
| /** |
| * @param mainPreferencePage |
| * The fMainPreferencePage to set. |
| */ |
| private void setMainPreferencePage(PreferencePage mainPreferencePage) { |
| fMainPreferencePage = mainPreferencePage; |
| } |
| |
| private void updateValidState() { |
| if (getMainPreferencePage() != null) { |
| getMainPreferencePage().setValid(fTranslucencyScale.isValid()); |
| } |
| } |
| } |