Package org.apache.directory.studio.ldapbrowser.common.widgets.entryeditor

Source Code of org.apache.directory.studio.ldapbrowser.common.widgets.entryeditor.EntryEditorWidgetCellModifier

/*
*  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.widgets.entryeditor;


import org.apache.directory.studio.ldapbrowser.core.model.IValue;
import org.apache.directory.studio.ldapbrowser.core.utils.CompoundModification;
import org.apache.directory.studio.valueeditors.ValueEditorManager;
import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.swt.widgets.Item;


/**
* The EntryEditorWidgetCellModifier implements the {@link ICellModifier} interface
* for the entry editor widget.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class EntryEditorWidgetCellModifier implements ICellModifier
{

    /** The value editor manager. */
    private ValueEditorManager valueEditorManager;


    /**
     * Creates a new instance of EntryEditorWidgetCellModifier.
     *
     * @param valueEditorManager
     */
    public EntryEditorWidgetCellModifier( ValueEditorManager valueEditorManager )
    {
        this.valueEditorManager = valueEditorManager;
    }


    /**
     * Disposes this cell modifier.
     */
    public void dispose()
    {
        valueEditorManager = null;
    }


    /**
     * {@inheritDoc}
     */
    public boolean canModify( Object element, String property )
    {
        if ( element != null && element instanceof IValue && valueEditorManager != null )
        {
            IValue attributeValue = ( IValue ) element;

            if ( EntryEditorWidgetTableMetadata.KEY_COLUMN_NAME.equals( property ) )
            {
                return false;
            }
            if ( EntryEditorWidgetTableMetadata.VALUE_COLUMN_NAME.equals( property ) )
            {
                return this.valueEditorManager.getCurrentValueEditor( attributeValue ).getRawValue( attributeValue ) != null;
            }
        }

        return false;
    }


    /**
     * {@inheritDoc}
     */
    public Object getValue( Object element, String property )
    {
        if ( element != null && element instanceof IValue && valueEditorManager != null )
        {
            IValue attributeValue = ( IValue ) element;
            Object returnValue;
            if ( EntryEditorWidgetTableMetadata.KEY_COLUMN_NAME.equals( property ) )
            {
                returnValue = attributeValue.getAttribute().getDescription();
            }
            else if ( EntryEditorWidgetTableMetadata.VALUE_COLUMN_NAME.equals( property ) )
            {
                returnValue = this.valueEditorManager.getCurrentValueEditor( attributeValue ).getRawValue(
                    attributeValue );
            }
            else
            {
                returnValue = ""; //$NON-NLS-1$
            }
            return returnValue;
        }
        else
        {
            return null;
        }
    }


    /**
     * {@inheritDoc}
     */
    public void modify( Object element, String property, Object newRawValue )
    {
        if ( element != null && element instanceof Item )
        {
            element = ( ( Item ) element ).getData();
        }

        if ( newRawValue != null && element != null && element instanceof IValue && valueEditorManager != null )
        {
            IValue oldValue = ( IValue ) element;

            if ( EntryEditorWidgetTableMetadata.VALUE_COLUMN_NAME.equals( property ) )
            {
                new CompoundModification().modifyValue( oldValue, newRawValue );
            }
        }
    }

}
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