/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.studio.templateeditor.editor.widgets;
import org.apache.directory.studio.entryeditors.IEntryEditor;
import org.apache.directory.studio.ldapbrowser.core.model.IAttribute;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Spinner;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.apache.directory.studio.templateeditor.model.widgets.TemplateSpinner;
/**
* This class implements an editor spinner.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class EditorSpinner extends EditorWidget<TemplateSpinner>
{
/** The spinner */
private Spinner spinner;
/** The selection listener */
private SelectionListener selectionListener = new SelectionAdapter()
{
public void widgetSelected( SelectionEvent e )
{
// Getting the value
String value = spinner.getText();
// Updating the attribute's value
updateAttributeValue( value );
}
};
/**
* Creates a new instance of EditorSpinner.
*
* @param editor
* the associated editor
* @param templateSpinner
* the associated template spinner
* @param toolkit
* the associated toolkit
*/
public EditorSpinner( IEntryEditor editor, TemplateSpinner templateSpinner, FormToolkit toolkit )
{
super( templateSpinner, editor, toolkit );
}
/**
* {@inheritDoc}
*/
public Composite createWidget( Composite parent )
{
// Creating and initializing the widget UI
Composite composite = initWidget( parent );
// Updating the widget's content
updateWidget();
// Adding the listeners
addListeners();
return composite;
}
/**
* Creates and initializes the widget UI.
*
* @param parent
* the parent composite
* @return
* the associated composite
*/
private Composite initWidget( Composite parent )
{
// Creating the spinner
spinner = new Spinner( parent, SWT.BORDER );
spinner.setLayoutData( getGridata() );
// Setting the spinner values
spinner.setDigits( getWidget().getDigits() );
spinner.setIncrement( getWidget().getIncrement() );
spinner.setMaximum( getWidget().getMaximum() );
spinner.setMinimum( getWidget().getMinimum() );
spinner.setPageIncrement( getWidget().getPageIncrement() );
return parent;
}
/**
* Updates the widget's content.
*/
private void updateWidget()
{
IAttribute attribute = getAttribute();
if ( ( attribute != null ) && ( attribute.isString() ) && ( attribute.getValueSize() > 0 ) )
{
try
{
spinner.setSelection( Integer.parseInt( attribute.getStringValue() ) );
}
catch ( NumberFormatException e )
{
// Nothing to do, we fail gracefully
}
}
}
/**
* Adds the listeners.
*/
private void addListeners()
{
// Adding the listener
spinner.addSelectionListener( selectionListener );
}
/**
* {@inheritDoc}
*/
public void update()
{
updateWidget();
}
/**
* {@inheritDoc}
*/
public void dispose()
{
// Nothing to do
}
}