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/*****************************************************************************
* Copyright (c) 2016 CEA LIST, ALL4TEC 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:
* Mickael ADAM (ALL4TEC) mickael.adam@all4tec.net - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.views.modelexplorer.preferences;
import org.eclipse.jface.dialogs.DialogPage;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.FieldEditor;
import org.eclipse.jface.preference.IntegerFieldEditor;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.papyrus.infra.ui.preferences.AbstractPreferenceGroup;
import org.eclipse.papyrus.views.modelexplorer.Activator;
import org.eclipse.papyrus.views.modelexplorer.Messages;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
/**
* Preference group for model explorer Search Field.
*/
public class FilterFieldPreferencesGroup extends AbstractPreferenceGroup {
/** The property change listener on validation delay field. */
private IPropertyChangeListener listener = event -> refreshDelayField(event);
/** The field editor for the delay value. */
private IntegerFieldEditor delayFieldEditor;
/** The group. */
private Group fieldGroup;
/** The field editor for the lave validation preference. */
private FieldEditor liveValidationfieldEditor;
/**
*
* Constructor.
*
* @param parent
* The parent.
* @param title
* The group title.
* @param dialogPage
* The dialog page.
*/
public FilterFieldPreferencesGroup(final Composite parent, final String title, final DialogPage dialogPage) {
super(parent, title, dialogPage);
createContent(parent);
}
/**
* Creates the content.
*
* @param parent
* the parent
*/
public void createContent(final Composite parent) {
fieldGroup = new Group(parent, SWT.SCROLL_PAGE);
GridLayout layout = new GridLayout();
layout.numColumns = 2;
fieldGroup.setLayout(layout);
fieldGroup.setText(Messages.FilterFieldPreferencesGroup_groupTitle);
GridDataFactory.fillDefaults().grab(true, false).applyTo(fieldGroup);
liveValidationfieldEditor = new BooleanFieldEditor(IFilterPreferenceConstants.PREF_FILTER_LIVE_VALIDATION, Messages.FilterFieldPreferencesGroup_UseValidationPreferenceLabel, fieldGroup);
liveValidationfieldEditor.setPage(dialogPage);
addFieldEditor(liveValidationfieldEditor);
// Composite use to manage layout
Composite composite = new Composite(fieldGroup, SWT.NONE);
GridDataFactory.fillDefaults().hint(5, 5).applyTo(composite);
liveValidationfieldEditor.setPropertyChangeListener(listener);
delayFieldEditor = new IntegerFieldEditor(IFilterPreferenceConstants.PREF_FILTER_VALIDATION_DELAY, Messages.FilterFieldPreferencesGroup_ValidationDelayPreferenceLabel, fieldGroup);
delayFieldEditor.setPage(dialogPage);
addFieldEditor(delayFieldEditor);
delayFieldEditor.setEnabled(Activator.getDefault().getPreferenceStore().getBoolean(IFilterPreferenceConstants.PREF_FILTER_LIVE_VALIDATION), fieldGroup);
}
/**
* Enable of delay field editor when the live validation is set to true.
*/
private void refreshDelayField(final PropertyChangeEvent event) {
if (null != delayFieldEditor && null != liveValidationfieldEditor && event.getSource().equals(liveValidationfieldEditor)) {
delayFieldEditor.setEnabled((boolean) event.getNewValue(), fieldGroup);
}
}
/**
* {@inheritDoc}
*
* @see org.eclipse.swt.widgets.Widget#dispose()
*/
@Override
public void dispose() {
// dispose listener
liveValidationfieldEditor.setPropertyChangeListener(null);
super.dispose();
}
}
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