/*
* 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.ldapbrowser.common.wizards;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.apache.directory.shared.ldap.constants.SchemaConstants;
import org.apache.directory.shared.ldap.schema.ObjectClassTypeEnum;
import org.apache.directory.shared.ldap.schema.parsers.ObjectClassDescription;
import org.apache.directory.studio.connection.ui.RunnableContextRunner;
import org.apache.directory.studio.connection.ui.widgets.BaseWidgetUtils;
import org.apache.directory.studio.ldapbrowser.common.BrowserCommonActivator;
import org.apache.directory.studio.ldapbrowser.common.BrowserCommonConstants;
import org.apache.directory.studio.ldapbrowser.core.events.EventRegistry;
import org.apache.directory.studio.ldapbrowser.core.jobs.ReloadSchemaRunnable;
import org.apache.directory.studio.ldapbrowser.core.model.IAttribute;
import org.apache.directory.studio.ldapbrowser.core.model.IBrowserConnection;
import org.apache.directory.studio.ldapbrowser.core.model.IValue;
import org.apache.directory.studio.ldapbrowser.core.model.impl.Attribute;
import org.apache.directory.studio.ldapbrowser.core.model.impl.DummyEntry;
import org.apache.directory.studio.ldapbrowser.core.model.impl.Value;
import org.apache.directory.studio.ldapbrowser.core.model.schema.Schema;
import org.apache.directory.studio.ldapbrowser.core.model.schema.SchemaUtils;
import org.eclipse.jface.fieldassist.ControlDecoration;
import org.eclipse.jface.fieldassist.FieldDecorationRegistry;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
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.Label;
import org.eclipse.swt.widgets.Text;
/**
* The NewEntryTypeWizardPage is used to select the entry's object classes.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class NewEntryObjectclassWizardPage extends WizardPage
{
/** The Constant SIZING_SELECTION_WIDGET_HEIGHT. */
private final static int SIZING_SELECTION_WIDGET_HEIGHT = 250;
/** The Constant SIZING_SELECTION_WIDGET_WIDTH. */
private final static int SIZING_SELECTION_WIDGET_WIDTH = 400;
/** The wizard. */
private NewEntryWizard wizard;
/** The available object classes. */
private List<ObjectClassDescription> availableObjectClasses;
/** The available object classes instant search. */
private Text availableObjectClassesInstantSearch;
/** The available object classes viewer. */
private TableViewer availableObjectClassesViewer;
/** The selected object classes. */
private List<ObjectClassDescription> selectedObjectClasses;
/** The selected object classes viewer. */
private TableViewer selectedObjectClassesViewer;
/** The add button. */
private Button addButton;
/** The remove button. */
private Button removeButton;
private LabelProvider labelProvider = new LabelProvider()
{
/**
* {@inheritDoc}
*/
public String getText( Object element )
{
if ( element instanceof ObjectClassDescription )
{
ObjectClassDescription ocd = ( ObjectClassDescription ) element;
return SchemaUtils.toString( ocd );
}
// Default
return super.getText( element );
}
/**
* {@inheritDoc}
*/
public Image getImage( Object element )
{
if ( element instanceof ObjectClassDescription )
{
ObjectClassDescription ocd = ( ObjectClassDescription ) element;
switch ( ocd.getKind() )
{
case STRUCTURAL:
return BrowserCommonActivator.getDefault().getImage( BrowserCommonConstants.IMG_OCD_STRUCTURAL );
case ABSTRACT:
return BrowserCommonActivator.getDefault().getImage( BrowserCommonConstants.IMG_OCD_ABSTRACT );
case AUXILIARY:
return BrowserCommonActivator.getDefault().getImage( BrowserCommonConstants.IMG_OCD_AUXILIARY );
default:
return BrowserCommonActivator.getDefault().getImage( BrowserCommonConstants.IMG_OCD );
}
}
// Default
return super.getImage( element );
}
};
/**
* Creates a new instance of NewEntryObjectclassWizardPage.
*
* @param pageName the page name
* @param wizard the wizard
*/
public NewEntryObjectclassWizardPage( String pageName, NewEntryWizard wizard )
{
super( pageName );
setTitle( Messages.getString( "NewEntryObjectclassWizardPage.ObjectClasses" ) ); //$NON-NLS-1$
setDescription( Messages.getString( "NewEntryObjectclassWizardPage.ObjectClassesDescription" ) ); //$NON-NLS-1$
setImageDescriptor( BrowserCommonActivator.getDefault().getImageDescriptor(
BrowserCommonConstants.IMG_ENTRY_WIZARD ) );
setPageComplete( false );
this.wizard = wizard;
this.availableObjectClasses = new ArrayList<ObjectClassDescription>();
this.selectedObjectClasses = new ArrayList<ObjectClassDescription>();
}
/**
* Validates the input fields.
*/
private void validate()
{
if ( !selectedObjectClasses.isEmpty() )
{
boolean hasOneStructuralOC = false;
for ( ObjectClassDescription ocd : selectedObjectClasses )
{
if ( ocd.getKind() == ObjectClassTypeEnum.STRUCTURAL )
{
hasOneStructuralOC = true;
break;
}
}
if ( !hasOneStructuralOC )
{
setMessage(
Messages.getString( "NewEntryObjectclassWizardPage.SelectStructuralObjectClass" ), WizardPage.WARNING ); //$NON-NLS-1$
}
else
{
setMessage( null );
}
setPageComplete( true );
saveState();
}
else
{
setPageComplete( false );
setMessage( null );
}
}
/**
* Loads the state of selected and available object classes from
* the prototype entry. Called when this page becomes visible.
*/
private void loadState()
{
availableObjectClasses.clear();
selectedObjectClasses.clear();
if ( wizard.getSelectedConnection() != null )
{
availableObjectClasses.addAll( wizard.getSelectedConnection().getSchema().getObjectClassDescriptions() );
DummyEntry newEntry = wizard.getPrototypeEntry();
IAttribute ocAttribute = newEntry.getAttribute( SchemaConstants.OBJECT_CLASS_AT );
if ( ocAttribute != null )
{
for ( IValue ocValue : ocAttribute.getValues() )
{
if ( !ocValue.isEmpty() )
{
ObjectClassDescription ocd = wizard.getSelectedConnection().getSchema()
.getObjectClassDescription( ocValue.getStringValue() );
availableObjectClasses.remove( ocd );
selectedObjectClasses.add( ocd );
}
}
}
}
availableObjectClassesViewer.refresh();
selectedObjectClassesViewer.refresh();
}
/**
* Saves the state of selected object classes to the entry.
*/
private void saveState()
{
DummyEntry newEntry = wizard.getPrototypeEntry();
try
{
EventRegistry.suspendEventFiringInCurrentThread();
// set new objectClass values
IAttribute ocAttribute = newEntry.getAttribute( SchemaConstants.OBJECT_CLASS_AT );
if ( ocAttribute == null )
{
ocAttribute = new Attribute( newEntry, SchemaConstants.OBJECT_CLASS_AT );
newEntry.addAttribute( ocAttribute );
}
IValue[] values = ocAttribute.getValues();
for ( IValue value : values )
{
ocAttribute.deleteValue( value );
}
for ( ObjectClassDescription ocd : selectedObjectClasses )
{
ocAttribute.addValue( new Value( ocAttribute, ocd.getNames().get( 0 ) ) );
}
}
finally
{
EventRegistry.resumeEventFiringInCurrentThread();
}
}
/**
* {@inheritDoc}
*
* This implementation initializes the list of available and selected
* object classes when this page becomes visible.
*/
public void setVisible( boolean visible )
{
super.setVisible( visible );
if ( visible )
{
loadState();
validate();
availableObjectClassesInstantSearch.setFocus();
}
}
/**
* {@inheritDoc}
*/
public void createControl( Composite parent )
{
Composite composite = new Composite( parent, SWT.NONE );
GridLayout gl = new GridLayout( 3, false );
composite.setLayout( gl );
composite.setLayoutData( new GridData( GridData.FILL_BOTH ) );
Label availableLabel = new Label( composite, SWT.NONE );
availableLabel.setText( Messages.getString( "NewEntryObjectclassWizardPage.AvailableObjectClasses" ) ); //$NON-NLS-1$
Label buttonLabel = new Label( composite, SWT.NONE );
buttonLabel.setText( "" ); //$NON-NLS-1$
Label selectedLabel = new Label( composite, SWT.NONE );
selectedLabel.setText( Messages.getString( "NewEntryObjectclassWizardPage.SelectedObjectClasses" ) ); //$NON-NLS-1$
Composite availableObjectClassesComposite = BaseWidgetUtils.createColumnContainer( composite, 1, 1 );
Composite availableObjectClassesInstantSearchComposite = BaseWidgetUtils.createColumnContainer(
availableObjectClassesComposite, 2, 1 );
availableObjectClassesInstantSearch = new Text( availableObjectClassesInstantSearchComposite, SWT.NONE
| SWT.BORDER | SWT.SEARCH | SWT.CANCEL );
availableObjectClassesInstantSearch.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
availableObjectClassesInstantSearch.addModifyListener( new ModifyListener()
{
public void modifyText( ModifyEvent e )
{
availableObjectClassesViewer.refresh();
if ( availableObjectClassesViewer.getTable().getItemCount() >= 1 )
{
Object item = availableObjectClassesViewer.getElementAt( 0 );
availableObjectClassesViewer.setSelection( new StructuredSelection( item ) );
}
}
} );
availableObjectClassesInstantSearch.addKeyListener( new KeyAdapter()
{
public void keyPressed( KeyEvent e )
{
if ( e.keyCode == SWT.ARROW_DOWN )
{
availableObjectClassesViewer.getTable().setFocus();
}
else if ( e.keyCode == SWT.CR || e.keyCode == SWT.KEYPAD_CR )
{
add( availableObjectClassesViewer.getSelection() );
}
}
} );
ControlDecoration availableObjectClassesInstantSearchDecoration = new ControlDecoration(
availableObjectClassesInstantSearch, SWT.TOP | SWT.LEFT, composite );
availableObjectClassesInstantSearchDecoration.setDescriptionText( Messages
.getString( "NewEntryObjectclassWizardPage.FilterDescription" ) ); //$NON-NLS-1$
availableObjectClassesInstantSearchDecoration.setImage( FieldDecorationRegistry.getDefault()
.getFieldDecoration( FieldDecorationRegistry.DEC_CONTENT_PROPOSAL ).getImage() );
Button reloadButton = new Button( availableObjectClassesInstantSearchComposite, SWT.PUSH | SWT.FLAT );
reloadButton.setToolTipText( Messages.getString( "NewEntryObjectclassWizardPage.ReloadSchema" ) ); //$NON-NLS-1$
reloadButton.setImage( BrowserCommonActivator.getDefault().getImage( BrowserCommonConstants.IMG_REFRESH ) );
reloadButton.addSelectionListener( new SelectionAdapter()
{
@Override
public void widgetSelected( SelectionEvent e )
{
IBrowserConnection browserConnection = wizard.getSelectedConnection();
ReloadSchemaRunnable runnable = new ReloadSchemaRunnable( browserConnection );
RunnableContextRunner.execute( runnable, wizard.getContainer(), true );
setVisible( true );
}
} );
availableObjectClassesViewer = new TableViewer( availableObjectClassesComposite );
GridData data = new GridData( GridData.FILL_BOTH );
data.heightHint = SIZING_SELECTION_WIDGET_HEIGHT;
data.widthHint = ( int ) ( SIZING_SELECTION_WIDGET_WIDTH * 0.4 );
availableObjectClassesViewer.getTable().setLayoutData( data );
availableObjectClassesViewer.setContentProvider( new ArrayContentProvider() );
availableObjectClassesViewer.setLabelProvider( labelProvider );
availableObjectClassesViewer.setSorter( new ViewerSorter() );
availableObjectClassesViewer.addFilter( new InstantSearchFilter( availableObjectClassesInstantSearch ) );
availableObjectClassesViewer.setInput( availableObjectClasses );
availableObjectClassesViewer.addDoubleClickListener( new IDoubleClickListener()
{
public void doubleClick( DoubleClickEvent event )
{
add( event.getSelection() );
}
} );
availableObjectClassesViewer.getTable().addKeyListener( new KeyAdapter()
{
public void keyPressed( KeyEvent e )
{
if ( e.keyCode == SWT.ARROW_UP )
{
if ( availableObjectClassesViewer.getTable().getSelectionIndex() <= 0 )
{
availableObjectClassesInstantSearch.setFocus();
}
}
}
} );
Composite buttonComposite = new Composite( composite, SWT.NONE );
gl = new GridLayout( 1, true );
buttonComposite.setLayout( gl );
data = new GridData( GridData.FILL_BOTH );
data.heightHint = SIZING_SELECTION_WIDGET_HEIGHT;
// data.widthHint = (int)(SIZING_SELECTION_WIDGET_WIDTH * 0.2);
data.horizontalAlignment = SWT.CENTER;
buttonComposite.setLayoutData( data );
Label label0 = new Label( buttonComposite, SWT.NONE );
data = new GridData();
data.grabExcessHorizontalSpace = true;
data.grabExcessVerticalSpace = true;
label0.setLayoutData( data );
addButton = BaseWidgetUtils.createButton( buttonComposite, Messages
.getString( "NewEntryObjectclassWizardPage.AddButton" ), 1 ); //$NON-NLS-1$
removeButton = BaseWidgetUtils.createButton( buttonComposite, Messages
.getString( "NewEntryObjectclassWizardPage.RemoveButton" ), 1 ); //$NON-NLS-1$
Label label3 = new Label( buttonComposite, SWT.NONE );
data = new GridData();
data.grabExcessHorizontalSpace = true;
data.grabExcessVerticalSpace = true;
label3.setLayoutData( data );
addButton.addSelectionListener( new SelectionAdapter()
{
public void widgetSelected( SelectionEvent e )
{
add( availableObjectClassesViewer.getSelection() );
}
} );
removeButton.addSelectionListener( new SelectionAdapter()
{
public void widgetSelected( SelectionEvent e )
{
remove( selectedObjectClassesViewer.getSelection() );
}
} );
selectedObjectClassesViewer = new TableViewer( composite );
data = new GridData( GridData.FILL_BOTH );
data.heightHint = SIZING_SELECTION_WIDGET_HEIGHT;
data.widthHint = ( int ) ( SIZING_SELECTION_WIDGET_WIDTH * 0.4 );
selectedObjectClassesViewer.getTable().setLayoutData( data );
selectedObjectClassesViewer.setContentProvider( new ArrayContentProvider() );
selectedObjectClassesViewer.setLabelProvider( labelProvider );
selectedObjectClassesViewer.setSorter( new ViewerSorter() );
selectedObjectClassesViewer.setInput( selectedObjectClasses );
selectedObjectClassesViewer.addDoubleClickListener( new IDoubleClickListener()
{
public void doubleClick( DoubleClickEvent event )
{
remove( event.getSelection() );
}
} );
setControl( composite );
}
/**
* Adds the selected object classes and all superiors
* to the list of selected object classes.
*
* @param iselection the selection
*/
private void add( ISelection iselection )
{
IStructuredSelection selection = ( IStructuredSelection ) iselection;
Schema schema = wizard.getSelectedConnection().getSchema();
Iterator<?> it = selection.iterator();
while ( it.hasNext() )
{
ObjectClassDescription ocd = ( ObjectClassDescription ) it.next();
if ( availableObjectClasses.contains( ocd ) && !selectedObjectClasses.contains( ocd ) )
{
availableObjectClasses.remove( ocd );
selectedObjectClasses.add( ocd );
// recursively add superior object classes
List<ObjectClassDescription> superiorObjectClassDescriptions = SchemaUtils
.getSuperiorObjectClassDescriptions( ocd, schema );
if ( !superiorObjectClassDescriptions.isEmpty() )
{
add( new StructuredSelection( superiorObjectClassDescriptions ) );
}
}
}
availableObjectClassesViewer.refresh();
selectedObjectClassesViewer.refresh();
validate();
if ( !"".equals( availableObjectClassesInstantSearch.getText() ) ) //$NON-NLS-1$
{
availableObjectClassesInstantSearch.setText( "" ); //$NON-NLS-1$
availableObjectClassesInstantSearch.setFocus();
}
}
/**
* Removes the selected object classes and all sub classes
* from the list of selected object classes.
*
* @param iselection the iselection
*/
private void remove( ISelection iselection )
{
IStructuredSelection selection = ( IStructuredSelection ) iselection;
Schema schema = wizard.getSelectedConnection().getSchema();
Iterator<?> it = selection.iterator();
while ( it.hasNext() )
{
ObjectClassDescription ocd = ( ObjectClassDescription ) it.next();
if ( !availableObjectClasses.contains( ocd ) && selectedObjectClasses.contains( ocd ) )
{
selectedObjectClasses.remove( ocd );
availableObjectClasses.add( ocd );
// recursively remove sub object classes
List<ObjectClassDescription> subObjectClassDescriptions = SchemaUtils
.getSuperiorObjectClassDescriptions( ocd, schema );
if ( !subObjectClassDescriptions.isEmpty() )
{
remove( new StructuredSelection( subObjectClassDescriptions ) );
}
}
}
// re-add superior object classes of remaining object classes
List<ObjectClassDescription> copy = new ArrayList<ObjectClassDescription>( selectedObjectClasses );
for ( ObjectClassDescription ocd : copy )
{
List<ObjectClassDescription> superiorObjectClassDescriptions = SchemaUtils
.getSuperiorObjectClassDescriptions( ocd, schema );
if ( !superiorObjectClassDescriptions.isEmpty() )
{
add( new StructuredSelection( superiorObjectClassDescriptions ) );
}
}
availableObjectClassesViewer.refresh();
selectedObjectClassesViewer.refresh();
validate();
}
/**
* The Class InstantSearchFilter.
*/
private class InstantSearchFilter extends ViewerFilter
{
/** The filter text. */
private Text filterText;
/**
* Creates a new instance of InstantSearchFilter.
*
* @param filterText the filter text
*/
private InstantSearchFilter( Text filterText )
{
this.filterText = filterText;
}
/**
* {@inheritDoc}
*/
public boolean select( Viewer viewer, Object parentElement, Object element )
{
if ( element instanceof ObjectClassDescription )
{
ObjectClassDescription ocd = ( ObjectClassDescription ) element;
Collection<String> lowerCaseIdentifiers = SchemaUtils.getLowerCaseIdentifiers( ocd );
for ( String s : lowerCaseIdentifiers )
{
if ( s.toLowerCase().startsWith( filterText.getText().toLowerCase() ) )
{
return true;
}
}
}
return false;
}
}
}