/*
* 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.api.ldap.model.schema.MatchingRule;
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.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
/**
* This class represents the Matching Rules WizardPage of the NewAttributeTypeWizard.
* <p>
* It is used to let the user enter matching rules information about the
* attribute type he wants to create (equality, ordering, substring).
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class NewAttributeTypeMatchingRulesWizardPage extends WizardPage
{
/** The SchemaHandler */
private SchemaHandler schemaHandler;
/** The LabelProvider */
private LabelProvider labelProvider = new LabelProvider()
{
/**
* {@inheritDoc}
*/
public String getText( Object element )
{
if ( element instanceof MatchingRule )
{
MatchingRule mr = ( MatchingRule ) element;
String name = mr.getName();
if ( name != null )
{
return NLS
.bind(
Messages.getString( "NewAttributeTypeMatchingRulesWizardPage.NameOID" ), new String[] { name, mr.getOid() } ); //$NON-NLS-1$
}
else
{
return NLS
.bind(
Messages.getString( "NewAttributeTypeMatchingRulesWizardPage.NoneOID" ), new String[] { mr.getOid() } ); //$NON-NLS-1$
}
}
return super.getText( element );
}
};
// UI fields
private ComboViewer equalityComboViewer;
private ComboViewer orderingComboViewer;
private ComboViewer substringComboViewer;
/**
* Creates a new instance of NewAttributeTypeMatchingRulesWizardPage.
*/
public NewAttributeTypeMatchingRulesWizardPage()
{
super( "NewAttributeTypeMatchingRulesWizardPage" ); //$NON-NLS-1$
setTitle( Messages.getString( "NewAttributeTypeMatchingRulesWizardPage.MatchingRules" ) ); //$NON-NLS-1$
setDescription( Messages.getString( "NewAttributeTypeMatchingRulesWizardPage.PleaseSpecifiyMatchingRules" ) ); //$NON-NLS-1$
setImageDescriptor( Activator.getDefault().getImageDescriptor( PluginConstants.IMG_ATTRIBUTE_TYPE_NEW_WIZARD ) );
schemaHandler = Activator.getDefault().getSchemaHandler();
}
/**
* {@inheritDoc}
*/
public void createControl( Composite parent )
{
Composite composite = new Composite( parent, SWT.NULL );
GridLayout layout = new GridLayout();
composite.setLayout( layout );
// Matching Rules Group
Group matchingRulesGroup = new Group( composite, SWT.NONE );
matchingRulesGroup.setText( Messages.getString( "NewAttributeTypeMatchingRulesWizardPage.MatchingRules" ) ); //$NON-NLS-1$
matchingRulesGroup.setLayout( new GridLayout( 2, false ) );
matchingRulesGroup.setLayoutData( new GridData( SWT.FILL, SWT.NONE, true, false, 3, 1 ) );
// Equality
Label equalityLabel = new Label( matchingRulesGroup, SWT.NONE );
equalityLabel.setText( Messages.getString( "NewAttributeTypeMatchingRulesWizardPage.Equality" ) ); //$NON-NLS-1$
Combo equalityCombo = new Combo( matchingRulesGroup, SWT.READ_ONLY );
equalityCombo.setLayoutData( new GridData( SWT.FILL, SWT.NONE, true, false ) );
equalityComboViewer = new ComboViewer( equalityCombo );
equalityComboViewer.setContentProvider( new ArrayContentProvider() );
equalityComboViewer.setLabelProvider( labelProvider );
// Ordering
Label orderingLabel = new Label( matchingRulesGroup, SWT.NONE );
orderingLabel.setText( Messages.getString( "NewAttributeTypeMatchingRulesWizardPage.Ordering" ) ); //$NON-NLS-1$
Combo orderingCombo = new Combo( matchingRulesGroup, SWT.READ_ONLY );
orderingCombo.setLayoutData( new GridData( SWT.FILL, SWT.NONE, true, false ) );
orderingComboViewer = new ComboViewer( orderingCombo );
orderingComboViewer.setContentProvider( new ArrayContentProvider() );
orderingComboViewer.setLabelProvider( labelProvider );
// Substring
Label substringLabel = new Label( matchingRulesGroup, SWT.NONE );
substringLabel.setText( Messages.getString( "NewAttributeTypeMatchingRulesWizardPage.Substring" ) ); //$NON-NLS-1$
Combo substringCombo = new Combo( matchingRulesGroup, SWT.READ_ONLY );
substringCombo.setLayoutData( new GridData( SWT.FILL, SWT.NONE, true, false ) );
substringComboViewer = new ComboViewer( substringCombo );
substringComboViewer.setContentProvider( new ArrayContentProvider() );
substringComboViewer.setLabelProvider( labelProvider );
initFields();
setControl( composite );
}
/**
* Initializes the UI fields.
*/
private void initFields()
{
if ( schemaHandler != null )
{
// Getting the matching rules
List<Object> matchingRules = new ArrayList<Object>( schemaHandler.getMatchingRules() );
// Adding the (None) matching rule
String none = Messages.getString( "NewAttributeTypeMatchingRulesWizardPage.None" ); //$NON-NLS-1$
matchingRules.add( none );
// Sorting the matching rules
Collections.sort( matchingRules, new Comparator<Object>()
{
public int compare( Object o1, Object o2 )
{
if ( ( o1 instanceof MatchingRule ) && ( o2 instanceof MatchingRule ) )
{
List<String> o1Names = ( ( MatchingRule ) o1 ).getNames();
List<String> o2Names = ( ( MatchingRule ) o2 ).getNames();
// Comparing the First Name
if ( ( o1Names != null ) && ( o2Names != null ) )
{
if ( ( o1Names.size() > 0 ) && ( o2Names.size() > 0 ) )
{
return o1Names.get( 0 ).compareToIgnoreCase( o2Names.get( 0 ) );
}
else if ( ( o1Names.size() == 0 ) && ( o2Names.size() > 0 ) )
{
return "".compareToIgnoreCase( o2Names.get( 0 ) ); //$NON-NLS-1$
}
else if ( ( o1Names.size() > 0 ) && ( o2Names.size() == 0 ) )
{
return o1Names.get( 0 ).compareToIgnoreCase( "" ); //$NON-NLS-1$
}
}
else if ( ( o1 instanceof String ) && ( o2 instanceof MatchingRule ) )
{
return Integer.MIN_VALUE;
}
else if ( ( o1 instanceof MatchingRule ) && ( o2 instanceof String ) )
{
return Integer.MAX_VALUE;
}
}
// Default
return o1.toString().compareToIgnoreCase( o2.toString() );
}
} );
// Setting the input
equalityComboViewer.setInput( matchingRules );
orderingComboViewer.setInput( matchingRules );
substringComboViewer.setInput( matchingRules );
// Selecting the None matching rules
equalityComboViewer.setSelection( new StructuredSelection( none ) );
orderingComboViewer.setSelection( new StructuredSelection( none ) );
substringComboViewer.setSelection( new StructuredSelection( none ) );
}
}
/**
* Gets the value of the equality matching rule.
*
* @return
* the value of the equality matching rule
*/
public String getEqualityMatchingRuleValue()
{
Object selection = ( ( StructuredSelection ) equalityComboViewer.getSelection() ).getFirstElement();
if ( selection instanceof MatchingRule )
{
MatchingRule mr = ( ( MatchingRule ) selection );
List<String> names = mr.getNames();
if ( ( names != null ) && ( names.size() > 0 ) )
{
return mr.getName();
}
else
{
return mr.getOid();
}
}
return null;
}
/**
* Gets the value of the ordering matching rule.
*
* @return
* the value of the ordering matching rule
*/
public String getOrderingMatchingRuleValue()
{
Object selection = ( ( StructuredSelection ) orderingComboViewer.getSelection() ).getFirstElement();
if ( selection instanceof MatchingRule )
{
MatchingRule mr = ( ( MatchingRule ) selection );
List<String> names = mr.getNames();
if ( ( names != null ) && ( names.size() > 0 ) )
{
return mr.getName();
}
else
{
return mr.getOid();
}
}
return null;
}
/**
* Gets the value of the substring matching rule.
*
* @return
* the value of the substring matching rule
*/
public String getSubstringMatchingRuleValue()
{
Object selection = ( ( StructuredSelection ) substringComboViewer.getSelection() ).getFirstElement();
if ( selection instanceof MatchingRule )
{
MatchingRule mr = ( ( MatchingRule ) selection );
List<String> names = mr.getNames();
if ( ( names != null ) && ( names.size() > 0 ) )
{
return mr.getName();
}
else
{
return mr.getOid();
}
}
return null;
}
}