/*
* 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.dialogs;
import java.util.Collection;
import org.apache.directory.api.ldap.aci.GrantAndDenial;
import org.apache.directory.api.ldap.aci.ItemPermission;
import org.apache.directory.api.ldap.aci.UserClass;
import org.apache.directory.studio.aciitemeditor.ACIItemValueWithContext;
import org.apache.directory.studio.aciitemeditor.Activator;
import org.apache.directory.studio.aciitemeditor.widgets.ACIItemGrantsAndDenialsComposite;
import org.apache.directory.studio.aciitemeditor.widgets.ACIItemUserClassesComposite;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Spinner;
/**
* A dialog to compose item permissions.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class ItemPermissionDialog extends Dialog
{
/** The context */
private ACIItemValueWithContext context;
/** The initial value, passed by the constructor */
private ItemPermission initialItemPermission;
/** The resulting value returned by getItemPermission() */
private ItemPermission returnItemPermission;
/** The precedence checkbox to enable/disable spinner */
private Button precedenceCheckbox = null;
/** The precedence spinner */
private Spinner precedenceSpinner = null;
/** The widget with user classes table */
private ACIItemUserClassesComposite userClassesComposite;
/** The widget with grants and denials table */
private ACIItemGrantsAndDenialsComposite grantsAndDenialsComposite;
/**
* Creates a new instance of ItemPermissionDialog.
*
* @param parentShell the shell
* @param initialItemPermission the initial item permission
* @param context the context
*/
public ItemPermissionDialog( Shell parentShell, ItemPermission initialItemPermission,
ACIItemValueWithContext context )
{
super( parentShell );
super.setShellStyle( super.getShellStyle() | SWT.RESIZE );
this.context = context;
this.initialItemPermission = initialItemPermission;
this.returnItemPermission = null;
}
/**
* Sets the dialog image and text.
*
* {@inheritDoc}
*/
protected void configureShell( Shell shell )
{
super.configureShell( shell );
shell.setText( Messages.getString( "ItemPermissionDialog.dialog.text" ) ); //$NON-NLS-1$
shell.setImage( Activator.getDefault().getImage( Messages.getString( "ItemPermissionDialog.dialog.icon" ) ) ); //$NON-NLS-1$
}
/**
* Reimplementation: Checks for valid syntax and sets the return value.
*/
protected void okPressed()
{
try
{
int precedence = precedenceCheckbox.getSelection() ? precedenceSpinner.getSelection() : -1;
Collection<UserClass> userClasses = userClassesComposite.getUserClasses();
Collection<GrantAndDenial> grantsAndDenials = grantsAndDenialsComposite.getGrantsAndDenials();
returnItemPermission = new ItemPermission( precedence, grantsAndDenials, userClasses );
super.okPressed();
}
catch ( Exception e )
{
MessageDialog.openError( getShell(), Messages
.getString( "ItemPermissionDialog.error.invalidItemPermission" ), e.getMessage() ); //$NON-NLS-1$
}
}
/**
* Creates all the dialog content.
*
* @param parent the parent
*
* @return the control
*/
protected Control createDialogArea( Composite parent )
{
Composite composite = ( Composite ) super.createDialogArea( parent );
GridData gd = new GridData( GridData.FILL_BOTH );
gd.widthHint = convertHorizontalDLUsToPixels( IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH );
gd.heightHint = convertVerticalDLUsToPixels( IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH ) * 4 / 3;
composite.setLayoutData( gd );
// precedence
Composite spinnerComposite = new Composite( composite, SWT.NONE );
spinnerComposite.setLayout( new GridLayout( 2, false ) );
spinnerComposite.setLayoutData( new GridData() );
precedenceCheckbox = new Button( spinnerComposite, SWT.CHECK );
precedenceCheckbox.setText( Messages.getString( "ItemPermissionDialog.precedence.label" ) ); //$NON-NLS-1$
precedenceCheckbox.addSelectionListener( new SelectionAdapter()
{
public void widgetSelected( SelectionEvent e )
{
precedenceSpinner.setEnabled( precedenceCheckbox.getSelection() );
}
} );
precedenceSpinner = new Spinner( spinnerComposite, SWT.BORDER );
precedenceSpinner.setMinimum( 0 );
precedenceSpinner.setMaximum( 255 );
precedenceSpinner.setDigits( 0 );
precedenceSpinner.setIncrement( 1 );
precedenceSpinner.setPageIncrement( 10 );
precedenceSpinner.setSelection( 0 );
precedenceSpinner.setEnabled( false );
GridData precedenceGridData = new GridData();
precedenceGridData.grabExcessHorizontalSpace = true;
precedenceGridData.verticalAlignment = GridData.CENTER;
precedenceGridData.horizontalAlignment = GridData.BEGINNING;
precedenceGridData.widthHint = 3 * 12;
precedenceSpinner.setLayoutData( precedenceGridData );
// user classes
userClassesComposite = new ACIItemUserClassesComposite( composite, SWT.NONE );
userClassesComposite.setContext( context );
// grants and denial
grantsAndDenialsComposite = new ACIItemGrantsAndDenialsComposite( composite, SWT.NONE );
// set initial values
if ( initialItemPermission != null )
{
if ( ( initialItemPermission.getPrecedence() != null ) && ( initialItemPermission.getPrecedence() > -1 ) )
{
precedenceCheckbox.setSelection( true );
precedenceSpinner.setEnabled( true );
precedenceSpinner.setSelection( initialItemPermission.getPrecedence() );
}
userClassesComposite.setUserClasses( initialItemPermission.getUserClasses() );
grantsAndDenialsComposite.setGrantsAndDenials( initialItemPermission.getGrantsAndDenials() );
}
applyDialogFont( composite );
return composite;
}
/**
* Returns the item permission. Returns null if Cancel button was pressed.
*
* @return the composed item permission or null
*/
public ItemPermission getItemPermission()
{
return returnItemPermission;
}
}