/*
* 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.ldapstudio.browser.ui.valueeditors.internal;
import org.apache.directory.ldapstudio.browser.core.model.AttributeHierarchy;
import org.apache.directory.ldapstudio.browser.core.model.DN;
import org.apache.directory.ldapstudio.browser.core.model.IConnection;
import org.apache.directory.ldapstudio.browser.core.model.IValue;
import org.apache.directory.ldapstudio.browser.core.model.NameException;
import org.apache.directory.ldapstudio.browser.ui.dialogs.DnDialog;
import org.apache.directory.ldapstudio.browser.ui.dialogs.TextDialog;
import org.apache.directory.ldapstudio.browser.ui.valueeditors.AbstractDialogStringValueEditor;
import org.eclipse.swt.widgets.Shell;
/**
* Implementation of IValueEditor for syntax 1.3.6.1.4.1.1466.115.121.1.12
* (Distinguished Name).
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class DnValueEditor extends AbstractDialogStringValueEditor
{
/**
* {@inheritDoc}
*
* This implementation opens the DnDialog.
*/
protected boolean openDialog( Shell shell )
{
Object value = getValue();
if ( value != null && value instanceof DnValueEditorRawValueWrapper )
{
DnValueEditorRawValueWrapper wrapper = ( DnValueEditorRawValueWrapper ) value;
DnDialog dialog = new DnDialog( shell, wrapper.connection, wrapper.dn );
if ( dialog.open() == TextDialog.OK && dialog.getDn() != null )
{
setValue( dialog.getDn().toString() );
return true;
}
}
return false;
}
/**
* {@inheritDoc}
*
* Returns a DnValueEditorRawValueWrapper with the connection of
* the attribute hierarchy and a null DN if there are no values
* in attributeHierarchy.
*
* Returns a DnValueEditorRawValueWrapper with the connection of
* the attribute hierarchy and a DN if there is one value
* in attributeHierarchy.
*/
public Object getRawValue( AttributeHierarchy attributeHierarchy )
{
if ( attributeHierarchy == null )
{
return null;
}
else if ( attributeHierarchy.size() == 1 && attributeHierarchy.getAttribute().getValueSize() == 0 )
{
IConnection connection = attributeHierarchy.getAttribute().getEntry().getConnection();
DN dn = null;
return new DnValueEditorRawValueWrapper( connection, dn );
}
else if ( attributeHierarchy.size() == 1 && attributeHierarchy.getAttribute().getValueSize() == 1 )
{
IConnection connection = attributeHierarchy.getAttribute().getEntry().getConnection();
try
{
DN dn = new DN( getDisplayValue( attributeHierarchy ) );
return new DnValueEditorRawValueWrapper( connection, dn );
}
catch ( NameException e )
{
return new DnValueEditorRawValueWrapper( connection, null );
}
}
else
{
return null;
}
}
/**
* {@inheritDoc}
*
* Returns a DnValueEditorRawValueWrapper with the connection of
* the value and a DN build from the given value.
*
* If the value doesn't contain a valid DN a DnValueEditorRawValueWrapper
* with a null DN is returned.
*/
public Object getRawValue( IValue value )
{
Object o = super.getRawValue( value );
if ( o != null && o instanceof String )
{
IConnection connection = value.getAttribute().getEntry().getConnection();
try
{
DN dn = new DN( ( String ) o );
return new DnValueEditorRawValueWrapper( connection, dn );
}
catch ( NameException e )
{
return new DnValueEditorRawValueWrapper( connection, null );
}
}
return null;
}
/**
* {@inheritDoc}
*
* Returns a DnValueEditorRawValueWrapper with the given
* connection and a DN build from the given value.
*
* If the value doesn't contain a valid DN a DnValueEditorRawValueWrapper
* with a null DN is returned.
*/
public Object getRawValue( IConnection connection, Object value )
{
Object o = super.getRawValue( connection, value );
if ( o != null && o instanceof String )
{
try
{
DN dn = new DN( ( String ) o );
return new DnValueEditorRawValueWrapper( connection, dn );
}
catch ( NameException e )
{
return new DnValueEditorRawValueWrapper( connection, null );
}
}
return null;
}
/**
* {@inheritDoc}
*
* Returns always the string value.
*
* Reimplementation, because getRawValue() returns a
* DnValueEditorRawValueWrapper.
*/
public String getDisplayValue( IValue value )
{
if ( value == null )
{
return "NULL";
}
String displayValue = value.getStringValue();
return displayValue;
}
/**
* The DnValueEditorRawValueWrapper is used to pass contextual
* information to the opened DnDialog.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
private class DnValueEditorRawValueWrapper
{
/** The connection, used in DnDialog to browse for an entry */
private IConnection connection;
/** The DN, used as initial value in DnDialog */
private DN dn;
/**
* Creates a new instance of DnValueEditorRawValueWrapper.
*
* @param connection the connection
* @param dn the DN
*/
private DnValueEditorRawValueWrapper( IConnection connection, DN dn )
{
this.connection = connection;
this.dn = dn;
}
}
}