/*
* 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.widgets;
import java.text.ParseException;
import org.apache.directory.shared.ldap.aci.ACIItem;
import org.apache.directory.shared.ldap.aci.ACIItemParser;
import org.apache.directory.studio.aciitemeditor.ACIItemValueWithContext;
import org.apache.directory.studio.aciitemeditor.Activator;
import org.apache.directory.studio.aciitemeditor.sourceeditor.ACISourceViewerConfiguration;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.Region;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.jface.text.source.SourceViewerConfiguration;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
/**
* This composite contains the source editor.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class ACIItemSourceEditorComposite extends Composite
{
/** The source editor */
private SourceViewer sourceEditor;
/** The source editor configuration. */
private SourceViewerConfiguration configuration;
/**
* Creates a new instance of ACIItemSourceEditorComposite.
*
* @param parent
* @param style
*/
public ACIItemSourceEditorComposite( Composite parent, int style )
{
super( parent, style );
setLayout( new FillLayout() );
createSourceEditor();
}
/**
* Creates and configures the source editor.
*
*/
private void createSourceEditor()
{
// create source editor
sourceEditor = new SourceViewer( this, null, null, false, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL );
// setup basic configuration
configuration = new ACISourceViewerConfiguration();
sourceEditor.configure( configuration );
// set text font
Font font = JFaceResources.getFont( JFaceResources.TEXT_FONT );
sourceEditor.getTextWidget().setFont( font );
// setup document
IDocument document = new Document();
sourceEditor.setDocument( document );
}
/**
* Sets the input to the source editor.
* A syntax check is performed before setting the input, an
* invalid syntax causes a ParseException.
*
* @param input the valid string representation of the ACI item
* @throws ParseException it the syntax check fails.
*/
public void setInput( String input ) throws ParseException
{
ACIItemParser parser = Activator.getDefault().getACIItemParser();
parser.parse( input );
forceSetInput( input );
}
/**
* Set the input to the source editor without a syntax check.
*
* @param input The string representation of the ACI item, may be invalid
*/
public void forceSetInput( String input )
{
sourceEditor.getDocument().set( input );
// format
IRegion region = new Region( 0, sourceEditor.getDocument().getLength() );
configuration.getContentFormatter( sourceEditor ).format( sourceEditor.getDocument(), region );
}
/**
* Returns the string representation of the ACI item.
* A syntax check is performed before returning the input, an
* invalid syntax causes a ParseException.
*
* @return the valid string representation of the ACI item
* @throws ParseException it the syntax check fails.
*/
public String getInput() throws ParseException
{
String input = forceGetInput();
// strip new lines
input = input.replaceAll( "\\n", " " ); //$NON-NLS-1$ //$NON-NLS-2$
input = input.replaceAll( "\\r", " " ); //$NON-NLS-1$ //$NON-NLS-2$
ACIItemParser parser = Activator.getDefault().getACIItemParser();
ACIItem aciItem = parser.parse( input );
StringBuffer buffer = new StringBuffer();
if ( aciItem != null )
{
aciItem.printToBuffer( buffer );
}
return buffer.toString();
}
/**
* Returns the string representation of the ACI item without syntax check.
* In other words only the text in the source editor is returned.
*
* @return the string representation of the ACI item, may be invalid
*/
public String forceGetInput()
{
return sourceEditor.getDocument().get();
}
/**
* Sets the context.
*
* @param context the context
*/
public void setContext( ACIItemValueWithContext context )
{
}
/**
* Formats the content.
*/
public void format()
{
IRegion region = new Region( 0, sourceEditor.getDocument().getLength() );
configuration.getContentFormatter( sourceEditor ).format( sourceEditor.getDocument(), region );
}
}