/*
* 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.schemaeditor.view.wizards;
import org.apache.directory.studio.schemaeditor.Activator;
import org.apache.directory.studio.schemaeditor.PluginConstants;
import org.apache.directory.studio.schemaeditor.controller.SchemaHandler;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
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.swt.widgets.Text;
/**
* This class represents the WizardPage of the NewSchemaWizard.
* <p>
* It is used to let the user create a new Schema
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class NewSchemaWizardPage extends AbstractWizardPage
{
/** The ProjectsHandler */
private SchemaHandler schemaHandler;
// UI Fields
private Text nameText;
/**
* Creates a new instance of NewSchemaWizardPage.
*/
protected NewSchemaWizardPage()
{
super( "NewSchemaWizardPage" ); //$NON-NLS-1$
setTitle( Messages.getString( "NewSchemaWizardPage.CreateSchema" ) ); //$NON-NLS-1$
setDescription( Messages.getString( "NewSchemaWizardPage.PleaseSpecifiyName" ) ); //$NON-NLS-1$
setImageDescriptor( Activator.getDefault().getImageDescriptor( PluginConstants.IMG_SCHEMA_NEW_WIZARD ) );
schemaHandler = Activator.getDefault().getSchemaHandler();
}
/**
* {@inheritDoc}
*/
public void createControl( Composite parent )
{
Composite composite = new Composite( parent, SWT.NULL );
GridLayout layout = new GridLayout( 2, false );
composite.setLayout( layout );
// Name
Label nameLabel = new Label( composite, SWT.NONE );
nameLabel.setText( Messages.getString( "NewSchemaWizardPage.SchemaName" ) ); //$NON-NLS-1$
nameText = new Text( composite, SWT.BORDER );
nameText.setLayoutData( new GridData( SWT.FILL, SWT.NONE, true, false ) );
nameText.addModifyListener( new ModifyListener()
{
public void modifyText( ModifyEvent e )
{
dialogChanged();
}
} );
initFields();
setControl( composite );
}
/**
* Initializes the UI Fields.
*/
private void initFields()
{
if ( Activator.getDefault().getSchemaHandler() == null )
{
nameText.setEnabled( false );
displayErrorMessage( Messages.getString( "NewSchemaWizardPage.ErrorNoSchemaProjectOpen" ) ); //$NON-NLS-1$
}
else
{
displayErrorMessage( null );
setPageComplete( false );
}
}
/**
* This method is called when the user modifies something in the UI.
*/
private void dialogChanged()
{
// Name
if ( nameText.getText().equals( "" ) ) //$NON-NLS-1$
{
displayErrorMessage( Messages.getString( "NewSchemaWizardPage.ErrorNoNameSpecified" ) ); //$NON-NLS-1$
return;
}
else if ( schemaHandler.isSchemaNameAlreadyTaken( nameText.getText() ) )
{
displayErrorMessage( Messages.getString( "NewSchemaWizardPage.ErrorSchemaNameExists" ) ); //$NON-NLS-1$
return;
}
displayErrorMessage( null );
}
/**
* Gets the name of the schema.
*
* @return
* the name of the schema
*/
public String getSchemaName()
{
return nameText.getText();
}
}