/*
* 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.aciitemeditor.valueeditors;
import java.util.Arrays;
import java.util.Collection;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.directory.studio.aciitemeditor.Activator;
import org.apache.directory.studio.common.ui.widgets.BaseWidgetUtils;
import org.apache.directory.studio.connection.ui.widgets.ExtendedContentAssistCommandAdapter;
import org.apache.directory.studio.ldapbrowser.common.dialogs.TextDialog;
import org.apache.directory.studio.ldapbrowser.common.widgets.ListContentProposalProvider;
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.schema.Schema;
import org.apache.directory.studio.ldapbrowser.core.model.schema.SchemaUtils;
import org.apache.directory.studio.valueeditors.AbstractDialogStringValueEditor;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.fieldassist.ComboContentAdapter;
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.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Spinner;
/**
* ACI item editor specific value editor to edit the MaxValueCount protected item.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class MaxValueCountValueEditor extends AbstractDialogStringValueEditor
{
private static final String L_CURLY_TYPE = "{ type "; //$NON-NLS-1$
private static final String SEP_MAXCOUNT = ", maxCount "; //$NON-NLS-1$
private static final String R_CURLY = " }"; //$NON-NLS-1$
private static final String EMPTY = ""; //$NON-NLS-1$
/**
* {@inheritDoc}
*
* This implementation opens the MaxValueCountDialog.
*/
public boolean openDialog( Shell shell )
{
Object value = getValue();
if ( value instanceof MaxValueCountValueEditorRawValueWrapper )
{
MaxValueCountValueEditorRawValueWrapper wrapper = ( MaxValueCountValueEditorRawValueWrapper ) value;
MaxValueCountDialog dialog = new MaxValueCountDialog( shell, wrapper.schema, wrapper.type, wrapper.maxCount );
if ( dialog.open() == TextDialog.OK && !EMPTY.equals( dialog.getType() ) && dialog.getMaxCount() > -1 )
{
setValue( L_CURLY_TYPE + dialog.getType() + SEP_MAXCOUNT + dialog.getMaxCount() + R_CURLY );
return true;
}
}
return false;
}
/**
* {@inheritDoc}
*
* Returns an AttributeTypeAndValueValueEditorRawValueWrapper.
*/
public Object getRawValue( IValue value )
{
if ( value != null )
{
return getRawValue( value.getAttribute().getEntry().getBrowserConnection(),
value.getStringValue() );
}
else
{
return null;
}
}
private Object getRawValue( IBrowserConnection connection, Object value )
{
Schema schema = null;
if ( connection != null )
{
schema = connection.getSchema();
}
if ( schema == null || !( value instanceof String ) )
{
return null;
}
String stringValue = ( String ) value;
String type = EMPTY;
int maxCount = 0;
try
{
// for example: { type userPassword, maxCount 10 }
Pattern pattern = Pattern.compile( "\\s*\\{\\s*type\\s*([^,]*),\\s*maxCount\\s*(\\d*)\\s*\\}\\s*" ); //$NON-NLS-1$
Matcher matcher = pattern.matcher( stringValue );
type = matcher.matches() ? matcher.group( 1 ) : EMPTY;
maxCount = matcher.matches() ? Integer.valueOf( matcher.group( 2 ) ) : 0;
}
catch ( Exception e )
{
}
MaxValueCountValueEditorRawValueWrapper wrapper = new MaxValueCountValueEditorRawValueWrapper( schema, type,
maxCount );
return wrapper;
}
/**
* The MaxValueCountValueEditorRawValueWrapper is used to pass contextual
* information to the opened MaxValueCountDialog.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
private class MaxValueCountValueEditorRawValueWrapper
{
/**
* The schema, used in MaxValueCountDialog to build the list
* with possible attribute types.
*/
private Schema schema;
/** The attribute type, used as initial attribute type. */
private String type;
/** The max count, used as initial value. */
private int maxCount;
/**
* Creates a new instance of AttributeTypeAndValueValueEditorRawValueWrapper.
*
* @param schema the schema
* @param attributeType the attribute type
* @param value the value
*/
private MaxValueCountValueEditorRawValueWrapper( Schema schema, String type, int maxCount )
{
this.schema = schema;
this.type = type;
this.maxCount = maxCount;
}
}
/**
* This class provides a dialog to enter the MaxValueCount values.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
private class MaxValueCountDialog extends Dialog
{
/** The schema. */
private Schema schema;
/** The initial attribute type. */
private String initialType;
/** The initial max count. */
private int initialMaxCount;
/** The attribute type combo. */
private Combo attributeTypeCombo;
/** The max count spinner. */
private Spinner maxCountSpinner;
/** The return attribute type. */
private String returnType;
/** The return value. */
private int returnMaxCount;
/**
* Creates a new instance of AttributeTypeDialog.
*
* @param parentShell the parent shell
* @param schema the schema
* @param initialType the initial attribute type
* @param initialMaxCount the initial max count
*/
public MaxValueCountDialog( Shell parentShell, Schema schema, String initialType, int initialMaxCount )
{
super( parentShell );
super.setShellStyle( super.getShellStyle() | SWT.RESIZE );
this.initialType = initialType;
this.initialMaxCount = initialMaxCount;
this.schema = schema;
this.returnType = null;
this.returnMaxCount = -1;
}
/**
* {@inheritDoc}
*/
protected void configureShell( Shell shell )
{
super.configureShell( shell );
shell.setText( Messages.getString( "MaxValueCountValueEditor.title" ) ); //$NON-NLS-1$
shell.setImage( Activator.getDefault().getImage( Messages.getString( "MaxValueCountValueEditor.icon" ) ) ); //$NON-NLS-1$
}
/**
* {@inheritDoc}
*/
protected void okPressed()
{
returnType = attributeTypeCombo.getText();
returnMaxCount = maxCountSpinner.getSelection();
super.okPressed();
}
/**
* {@inheritDoc}
*/
protected Control createDialogArea( Composite parent )
{
// create composite
Composite composite = ( Composite ) super.createDialogArea( parent );
GridData gd = new GridData( GridData.FILL_BOTH );
gd.widthHint = convertHorizontalDLUsToPixels( IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH );
composite.setLayoutData( gd );
composite.setLayout( new GridLayout( 5, false ) );
BaseWidgetUtils.createLabel( composite, L_CURLY_TYPE, 1 );
// combo widget
Collection<String> names = SchemaUtils.getNames( schema.getAttributeTypeDescriptions() );
String[] allAtNames = names.toArray( new String[names.size()] );
Arrays.sort( allAtNames );
// attribute combo with field decoration and content proposal
attributeTypeCombo = BaseWidgetUtils.createCombo( composite, allAtNames, -1, 1 );
attributeTypeCombo.setText( initialType );
new ExtendedContentAssistCommandAdapter( attributeTypeCombo, new ComboContentAdapter(),
new ListContentProposalProvider( attributeTypeCombo.getItems() ), null, null, true );
BaseWidgetUtils.createLabel( composite, SEP_MAXCOUNT, 1 );
maxCountSpinner = new Spinner( composite, SWT.BORDER );
maxCountSpinner.setMinimum( 0 );
maxCountSpinner.setMaximum( Integer.MAX_VALUE );
maxCountSpinner.setDigits( 0 );
maxCountSpinner.setIncrement( 1 );
maxCountSpinner.setPageIncrement( 100 );
maxCountSpinner.setSelection( initialMaxCount );
maxCountSpinner.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
BaseWidgetUtils.createLabel( composite, R_CURLY, 1 );
applyDialogFont( composite );
return composite;
}
/**
* Gets the attribute type.
*
* @return the attribute type, null if canceled
*/
public String getType()
{
return returnType;
}
/**
* Gets the max count.
*
* @return the max count, -1 if canceled
*/
public int getMaxCount()
{
return returnMaxCount;
}
}
}