/*
* 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 java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import org.apache.directory.studio.schemaeditor.Activator;
import org.apache.directory.studio.schemaeditor.PluginConstants;
import org.apache.directory.studio.schemaeditor.model.AttributeTypeImpl;
import org.apache.directory.studio.schemaeditor.view.ViewUtils;
import org.apache.directory.studio.schemaeditor.view.dialogs.AttributeTypeSelectionDialog;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.Group;
import org.eclipse.swt.widgets.Table;
/**
* This class represents the Mandatory Attribute Types WizardPage of the NewObjectClassWizard.
* <p>
* It is used to let the user specify the mandatory attribute types for the object class.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class NewObjectClassMandatoryAttributesPage extends WizardPage
{
/** The mandatory attribute types list */
private List<AttributeTypeImpl> mandatoryAttributeTypesList;
// UI Fields
private TableViewer mandatoryAttributeTypesTableViewer;
private Button mandatoryAttributeTypesAddButton;
private Button mandatoryAttributeTypesRemoveButton;
/**
* Creates a new instance of NewObjectClassMandatoryAttributesPage.
*/
protected NewObjectClassMandatoryAttributesPage()
{
super( "NewObjectClassMandatoryAttributesPage" );
setTitle( "Mandatory Attribute Types" );
setDescription( "Please specify the mandatory attribute types for the object class." );
setImageDescriptor( Activator.getDefault().getImageDescriptor( PluginConstants.IMG_OBJECT_CLASS_NEW_WIZARD ) );
mandatoryAttributeTypesList = new ArrayList<AttributeTypeImpl>();
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
*/
public void createControl( Composite parent )
{
Composite composite = new Composite( parent, SWT.NULL );
GridLayout layout = new GridLayout();
composite.setLayout( layout );
// Mandatory Attribute Types Group
Group mandatoryAttributeTypesGroup = new Group( composite, SWT.NONE );
mandatoryAttributeTypesGroup.setText( "Mandatory Attribute Types" );
mandatoryAttributeTypesGroup.setLayout( new GridLayout( 2, false ) );
mandatoryAttributeTypesGroup.setLayoutData( new GridData( SWT.FILL, SWT.FILL, true, true ) );
// Mandatory Attribute Types
Table mandatoryAttributeTypesTable = new Table( mandatoryAttributeTypesGroup, SWT.BORDER );
GridData mandatoryAttributeTypesTableGridData = new GridData( SWT.FILL, SWT.FILL, true, true, 1, 2 );
mandatoryAttributeTypesTableGridData.heightHint = 100;
mandatoryAttributeTypesTable.setLayoutData( mandatoryAttributeTypesTableGridData );
mandatoryAttributeTypesTableViewer = new TableViewer( mandatoryAttributeTypesTable );
mandatoryAttributeTypesTableViewer.setContentProvider( new ArrayContentProvider() );
mandatoryAttributeTypesTableViewer.setLabelProvider( new LabelProvider()
{
public Image getImage( Object element )
{
if ( element instanceof AttributeTypeImpl )
{
return Activator.getDefault().getImage( PluginConstants.IMG_ATTRIBUTE_TYPE );
}
// Default
return super.getImage( element );
}
public String getText( Object element )
{
if ( element instanceof AttributeTypeImpl )
{
AttributeTypeImpl at = ( AttributeTypeImpl ) element;
String[] names = at.getNames();
if ( ( names != null ) && ( names.length > 0 ) )
{
return ViewUtils.concateAliases( names ) + " - (" + at.getOid() + ")";
}
else
{
return "(None) - (" + at.getOid() + ")";
}
}
// Default
return super.getText( element );
}
} );
mandatoryAttributeTypesTableViewer.setInput( mandatoryAttributeTypesList );
mandatoryAttributeTypesTableViewer.addSelectionChangedListener( new ISelectionChangedListener()
{
public void selectionChanged( SelectionChangedEvent event )
{
mandatoryAttributeTypesRemoveButton.setEnabled( !event.getSelection().isEmpty() );
}
} );
mandatoryAttributeTypesAddButton = new Button( mandatoryAttributeTypesGroup, SWT.PUSH );
mandatoryAttributeTypesAddButton.setText( "Add..." );
mandatoryAttributeTypesAddButton.setLayoutData( new GridData( SWT.FILL, SWT.NONE, false, false ) );
mandatoryAttributeTypesAddButton.addSelectionListener( new SelectionAdapter()
{
public void widgetSelected( SelectionEvent arg0 )
{
addMandatoryAttributeType();
}
} );
mandatoryAttributeTypesRemoveButton = new Button( mandatoryAttributeTypesGroup, SWT.PUSH );
mandatoryAttributeTypesRemoveButton.setText( "Remove" );
mandatoryAttributeTypesRemoveButton.setLayoutData( new GridData( SWT.FILL, SWT.NONE, false, false ) );
mandatoryAttributeTypesRemoveButton.addSelectionListener( new SelectionAdapter()
{
public void widgetSelected( SelectionEvent arg0 )
{
removeMandatoryAttributeType();
}
} );
mandatoryAttributeTypesRemoveButton.setEnabled( false );
setControl( composite );
}
/**
* This method is called when the "Add" button of the mandatory
* attribute types table is selected.
*/
private void addMandatoryAttributeType()
{
AttributeTypeSelectionDialog dialog = new AttributeTypeSelectionDialog();
List<AttributeTypeImpl> hiddenAttributes = new ArrayList<AttributeTypeImpl>();
hiddenAttributes.addAll( mandatoryAttributeTypesList );
dialog.setHiddenAttributeTypes( hiddenAttributes );
if ( dialog.open() == Dialog.OK )
{
mandatoryAttributeTypesList.add( dialog.getSelectedAttributeType() );
updateMandatoryAttributeTypesTableTable();
}
}
/**
* This method is called when the "Remove" button of the mandatory
* attribute types table is selected.
*/
private void removeMandatoryAttributeType()
{
StructuredSelection selection = ( StructuredSelection ) mandatoryAttributeTypesTableViewer.getSelection();
if ( !selection.isEmpty() )
{
mandatoryAttributeTypesList.remove( selection.getFirstElement() );
updateMandatoryAttributeTypesTableTable();
}
}
/**
* Updates the mandatory attribute types table.
*/
private void updateMandatoryAttributeTypesTableTable()
{
Collections.sort( mandatoryAttributeTypesList, new Comparator<AttributeTypeImpl>()
{
public int compare( AttributeTypeImpl o1, AttributeTypeImpl o2 )
{
String[] at1Names = o1.getNames();
String[] at2Names = o2.getNames();
if ( ( at1Names != null ) && ( at2Names != null ) && ( at1Names.length > 0 ) && ( at2Names.length > 0 ) )
{
return at1Names[0].compareToIgnoreCase( at2Names[0] );
}
// Default
return 0;
}
} );
mandatoryAttributeTypesTableViewer.refresh();
}
/**
* Gets the mandatory attribute types.
*
* @return
* the mandatory attributes types
*/
public List<AttributeTypeImpl> getMandatoryAttributeTypes()
{
return mandatoryAttributeTypesList;
}
/**
* Gets the names of the mandatory attribute types.
*
* @return
* the names of the mandatory attributes types
*/
public String[] getMandatoryAttributeTypesNames()
{
List<String> names = new ArrayList<String>();
for ( AttributeTypeImpl at : mandatoryAttributeTypesList )
{
names.add( at.getName() );
}
return names.toArray( new String[0] );
}
}