/*
* 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.dialogs;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
/**
* This dialog is used to rename items like projects or schemas.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public abstract class AbstractRenameDialog extends Dialog
{
/** The original name*/
private String originalName;
/** The new name */
private String newName;
// UI Fields
private Text newNameText;
private Composite errorComposite;
private Image errorImage;
private Label errorLabel;
private Button okButton;
/**
* Creates a new instance of AbstractRenameDialog.
*
* @param originalName
* the original name
*/
public AbstractRenameDialog( String originalName )
{
super( PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell() );
this.originalName = originalName;
this.newName = originalName;
}
/**
* {@inheritDoc}
*/
protected void configureShell( Shell newShell )
{
super.configureShell( newShell );
newShell.setText( Messages.getString( "RenameProjectDialog.Rename" ) ); //$NON-NLS-1$
}
/**
* {@inheritDoc}
*/
protected Control createDialogArea( Composite parent )
{
Composite composite = new Composite( parent, SWT.NONE );
composite.setLayout( new GridLayout( 2, false ) );
composite.setLayoutData( new GridData( SWT.FILL, SWT.FILL, true, true ) );
// New Name
Label newNameLabel = new Label( composite, SWT.NONE );
newNameLabel.setText( Messages.getString( "AbstractRenameDialog.NewName" ) ); //$NON-NLS-1$
newNameText = new Text( composite, SWT.BORDER );
newNameText.setLayoutData( new GridData( SWT.FILL, SWT.NONE, true, false ) );
newNameText.setText( originalName );
newNameText.addModifyListener( new ModifyListener()
{
public void modifyText( ModifyEvent e )
{
// Getting the new name
newName = newNameText.getText();
if ( !newName.equalsIgnoreCase( originalName ) )
{
// Checking if the new is already taken
boolean checkNewName = isNewNameAlreadyTaken();
// Enabling (or not) the ok button and showing (or not) the error composite
okButton.setEnabled( !checkNewName );
errorComposite.setVisible( checkNewName );
}
else
{
// Enabling the ok button and showing the error composite
okButton.setEnabled( true );
errorComposite.setVisible( false );
}
}
} );
// Error Composite
errorComposite = new Composite( composite, SWT.NONE );
errorComposite.setLayout( new GridLayout( 2, false ) );
errorComposite.setLayoutData( new GridData( SWT.FILL, SWT.FILL, true, true, 2, 1 ) );
errorComposite.setVisible( false );
// Error Image
errorImage = PlatformUI.getWorkbench().getSharedImages().getImage( ISharedImages.IMG_OBJS_ERROR_TSK );
Label label = new Label( errorComposite, SWT.NONE );
label.setImage( errorImage );
label.setSize( 16, 16 );
// Error Label
errorLabel = new Label( errorComposite, SWT.NONE );
errorLabel.setLayoutData( new GridData( SWT.FILL, SWT.FILL, true, true ) );
errorLabel.setText( getErrorMessage() );
newNameText.setFocus();
newNameText.selectAll();
return composite;
}
/**
* {@inheritDoc}
*/
protected void createButtonsForButtonBar( Composite parent )
{
createButton( parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false );
okButton = createButton( parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true );
}
/**
* Returns the new name.
*
* @return
* the new name
*/
public String getNewName()
{
return newName;
}
/**
* Gets the error message.
*
* @return the error message
*/
protected abstract String getErrorMessage();
/**
* Checks if the new name is already taken.
*
* @return <code>true</code> if the new name is already taken,
* <code>false</code> if not.
*/
protected abstract boolean isNewNameAlreadyTaken();
}