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/*******************************************************************************
* Copyright (c) 2014 Obeo.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.compare.ide.ui.internal.preferences;
import org.eclipse.emf.compare.ide.ui.internal.EMFCompareIDEUIMessages;
import org.eclipse.emf.compare.ide.ui.internal.EMFCompareIDEUIPlugin;
import org.eclipse.emf.compare.ide.ui.internal.logical.resolver.CrossReferenceResolutionScope;
import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.ComboFieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
/**
* Preference page for the model resolution, allowing users to disable the resolution altogether or to
* configure how EMF Compare will handle it.
*
* @author <a href="mailto:laurent.goubet@obeo.fr">Laurent Goubet</a>
*/
public class ModelResolutionPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {
private static final String[][] scopeNamesAndValues = new String[][] {{
EMFCompareIDEUIMessages
.getString("ModelResolutionPreferencesPage.resolutionScope.workspace.label"), //$NON-NLS-1$
CrossReferenceResolutionScope.WORKSPACE.name(), },
{
EMFCompareIDEUIMessages
.getString("ModelResolutionPreferencesPage.resolutionScope.project.label"), //$NON-NLS-1$
CrossReferenceResolutionScope.PROJECT.name(), },
{EMFCompareIDEUIMessages
.getString("ModelResolutionPreferencesPage.resolutionScope.container.label"), //$NON-NLS-1$
CrossReferenceResolutionScope.CONTAINER.name(), },
{EMFCompareIDEUIMessages
.getString("ModelResolutionPreferencesPage.resolutionScope.outgoing.label"), //$NON-NLS-1$
CrossReferenceResolutionScope.OUTGOING.name(), }, };
private BooleanFieldEditor disableResolvers;
private BooleanFieldEditor useThreads;
private ComboFieldEditor resolutionScope;
private Label resolutionScopeMainDescription;
private Label resolutionScopeDescription;
private Composite resolutionScopeComboComposite;
public ModelResolutionPreferencePage() {
super(FieldEditorPreferencePage.GRID);
setPreferenceStore(EMFCompareIDEUIPlugin.getDefault().getPreferenceStore());
}
/**
* {@inheritDoc}
*/
@Override
protected void createFieldEditors() {
disableResolvers = new BooleanFieldEditor(EMFCompareUIPreferences.DISABLE_RESOLVERS_PREFERENCE,
EMFCompareIDEUIMessages.getString("ModelResolutionPreferencesPage.disableResolvers"), //$NON-NLS-1$
getFieldEditorParent());
addField(disableResolvers);
useThreads = new BooleanFieldEditor(EMFCompareUIPreferences.DISABLE_THREADING_PREFERENCE,
EMFCompareIDEUIMessages.getString("ModelResolutionPreferencesPage.disableThreading"), //$NON-NLS-1$
getFieldEditorParent());
addField(useThreads);
final Composite resolutionScopeComposite = new Composite(getFieldEditorParent(), SWT.BORDER);
resolutionScopeComposite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
resolutionScopeComposite.setLayout(new GridLayout(2, false));
resolutionScopeMainDescription = new Label(resolutionScopeComposite, SWT.WRAP);
resolutionScopeMainDescription.setText(EMFCompareIDEUIMessages
.getString("ModelResolutionPreferencesPage.resolutionScope.description")); //$NON-NLS-1$
final GridData layoutData = new GridData(GridData.FILL_HORIZONTAL);
layoutData.widthHint = 400;
layoutData.horizontalSpan = 2;
resolutionScopeMainDescription.setLayoutData(layoutData);
// Use a composite for the combo editor field alone, to prevent it from grabbing all horizontal space.
resolutionScopeComboComposite = new Composite(resolutionScopeComposite, SWT.NONE);
resolutionScopeComboComposite.setLayout(new GridLayout(2, false));
resolutionScope = new ComboFieldEditor(EMFCompareUIPreferences.RESOLUTION_SCOPE_PREFERENCE,
EMFCompareIDEUIMessages.getString("ModelResolutionPreferencesPage.resolutionScope"), //$NON-NLS-1$
scopeNamesAndValues, resolutionScopeComboComposite);
addField(resolutionScope);
resolutionScopeComboComposite.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false));
resolutionScopeDescription = new Label(resolutionScopeComposite, SWT.WRAP | SWT.BORDER);
final GridData descriptionData = new GridData(SWT.FILL, SWT.FILL, true, false);
descriptionData.widthHint = 200;
resolutionScopeDescription.setLayoutData(descriptionData);
updateFieldEnablement(
getPreferenceStore().getBoolean(EMFCompareUIPreferences.DISABLE_RESOLVERS_PREFERENCE));
updateScopeDescription(
getPreferenceStore().getString(EMFCompareUIPreferences.RESOLUTION_SCOPE_PREFERENCE));
}
@Override
public void propertyChange(PropertyChangeEvent event) {
if (event.getSource() == disableResolvers) {
updateFieldEnablement(disableResolvers.getBooleanValue());
} else if (event.getSource() == resolutionScope) {
updateScopeDescription((String)event.getNewValue());
}
super.propertyChange(event);
}
private void updateFieldEnablement(boolean disabled) {
useThreads.setEnabled(!disabled, getFieldEditorParent());
resolutionScopeMainDescription.setEnabled(!disabled);
resolutionScope.setEnabled(!disabled, resolutionScopeComboComposite);
resolutionScopeDescription.setEnabled(!disabled);
}
private void updateScopeDescription(String scopeValue) {
final CrossReferenceResolutionScope scope;
if (scopeValue != null && scopeValue.length() > 0) {
scope = CrossReferenceResolutionScope.valueOf(scopeValue);
} else {
scope = CrossReferenceResolutionScope.WORKSPACE;
}
switch (scope) {
case WORKSPACE:
resolutionScopeDescription.setText(EMFCompareIDEUIMessages
.getString("ModelResolutionPreferencesPage.resolutionScope.workspace.description")); //$NON-NLS-1$
break;
case PROJECT:
resolutionScopeDescription.setText(EMFCompareIDEUIMessages
.getString("ModelResolutionPreferencesPage.resolutionScope.project.description")); //$NON-NLS-1$
break;
case CONTAINER:
resolutionScopeDescription.setText(EMFCompareIDEUIMessages
.getString("ModelResolutionPreferencesPage.resolutionScope.container.description")); //$NON-NLS-1$
break;
case OUTGOING:
resolutionScopeDescription.setText(EMFCompareIDEUIMessages
.getString("ModelResolutionPreferencesPage.resolutionScope.outgoing.description")); //$NON-NLS-1$
break;
default:
// Shouldn't happen
resolutionScopeDescription.setText(EMFCompareIDEUIMessages
.getString("ModelResolutionPreferencesPage.resolutionScope.invalid")); //$NON-NLS-1$
break;
}
getFieldEditorParent().layout();
}
@Override
protected void performDefaults() {
super.performDefaults();
updateFieldEnablement(
getPreferenceStore().getBoolean(EMFCompareUIPreferences.DISABLE_RESOLVERS_PREFERENCE));
updateScopeDescription(
getPreferenceStore().getString(EMFCompareUIPreferences.RESOLUTION_SCOPE_PREFERENCE));
}
public void init(IWorkbench workbench) {
// Empty implementation
}
}
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