/*
* 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.valueeditors;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.directory.studio.ldapbrowser.common.BrowserCommonActivator;
import org.apache.directory.studio.ldapbrowser.common.BrowserCommonConstants;
import org.apache.directory.studio.ldapbrowser.core.model.AttributeHierarchy;
import org.apache.directory.studio.ldapbrowser.core.model.IAttribute;
import org.apache.directory.studio.ldapbrowser.core.model.IValue;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.TextCellEditor;
/**
*
* Abstract base class for value editors that handle string values
* within the table or tree control.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public abstract class AbstractInPlaceStringValueEditor extends TextCellEditor implements IValueEditor
{
/** The name of this value editor */
private String name;
/** The image of this value editor */
private ImageDescriptor imageDescriptor;
/**
* Creates a new instance of AbstractInPlaceStringValueEditor.
*/
protected AbstractInPlaceStringValueEditor()
{
super();
}
/**
* Returns true if the user wishes to show raw values rather than
* user-friendly values. If true the getDisplayValue() methods
* should not modify the value.
*
* @return true if raw values should be displayed
*/
protected boolean showRawValues()
{
return BrowserCommonActivator.getDefault().getPreferenceStore().getBoolean(
BrowserCommonConstants.PREFERENCE_SHOW_RAW_VALUES );
}
/**
* {@inheritDoc}
*
* This implementation of getDisplayValue() returns a
* comma-separated list of all values.
*/
@Override
public String getDisplayValue( AttributeHierarchy attributeHierarchy )
{
if ( attributeHierarchy == null )
{
return NULL;
}
List<IValue> valueList = new ArrayList<>();
for ( IAttribute attribute : attributeHierarchy )
{
valueList.addAll( Arrays.asList( attribute.getValues() ) );
}
StringBuilder sb = new StringBuilder();
boolean isFirst = true;
for ( IValue value : valueList )
{
if ( isFirst )
{
isFirst = false;
}
else
{
sb.append( ", " ); //$NON-NLS-1$
}
sb.append( getDisplayValue( value ) );
}
return sb.toString();
}
/**
* {@inheritDoc}
*
* This implementation just returns the raw value
*/
@Override
public String getDisplayValue( IValue value )
{
Object obj = getRawValue( value );
return StringValueEditorUtils.getDisplayValue( obj );
}
/**
* {@inheritDoc}
*
* This implementation returns IValue.EMPTY_xx_VALUE if there are no values
* in attributeHierarchy or calls getRawValue(IValue) if attributeHierarchy
* contains exactly one value. Otherwise null is returned.
*/
@Override
public Object getRawValue( AttributeHierarchy attributeHierarchy )
{
if ( ( attributeHierarchy != null ) && ( attributeHierarchy.size() == 1 ) )
{
if ( attributeHierarchy.getAttribute().getValueSize() == 0 )
{
if ( attributeHierarchy.getAttribute().isString() )
{
return IValue.EMPTY_STRING_VALUE;
}
else
{
return IValue.EMPTY_BINARY_VALUE;
}
}
else if ( attributeHierarchy.getAttribute().getValueSize() == 1 )
{
return getRawValue( attributeHierarchy.getAttribute().getValues()[0] );
}
}
return null;
}
/**
* {@inheritDoc}
*/
@Override
public boolean hasValue( IValue value )
{
return ( value != null ) && ( value.isString() || value.isBinary() );
}
/**
* {@inheritDoc}
*
* This implementation returns the string value
* of the given value.
*/
@Override
public Object getRawValue( IValue value )
{
return StringValueEditorUtils.getRawValue( value );
}
/**
* {@inheritDoc}
*
* This implementation always return the string value
* as String.
*/
@Override
public Object getStringOrBinaryValue( Object rawValue )
{
return StringValueEditorUtils.getStringOrBinaryValue( rawValue );
}
/**
* {@inheritDoc}
*/
@Override
public CellEditor getCellEditor()
{
return this;
}
/**
* {@inheritDoc}
*/
@Override
protected Object doGetValue()
{
if ( EMPTY.equals( text.getText() ) )
{
return null;
}
else
{
return text.getText();
}
}
/**
* {@inheritDoc}
*/
@Override
protected void doSetValue( Object value )
{
if ( value instanceof IValue.EmptyValue )
{
super.doSetValue( ( ( IValue.EmptyValue ) value ).getStringValue() );
}
else
{
super.doSetValue( value );
}
}
/**
* {@inheritDoc}
*/
@Override
public void setValueEditorName( String name )
{
this.name = name;
}
/**
* {@inheritDoc}
*/
@Override
public String getValueEditorName()
{
return name;
}
/**
* {@inheritDoc}
*/
@Override
public void setValueEditorImageDescriptor( ImageDescriptor imageDescriptor )
{
this.imageDescriptor = imageDescriptor;
}
/**
* {@inheritDoc}
*/
@Override
public ImageDescriptor getValueEditorImageDescriptor()
{
return imageDescriptor;
}
}