/**
* <p>Copyright: Copyright (c) 2009</p>
* <p>Company: �������ӹɷ�����˾</p>
*/
/**
*/
package com.hundsun.ares.studio.ui.editor.textbase;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableContext;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.source.AnnotationModel;
import org.eclipse.jface.text.source.IAnnotationModel;
import org.eclipse.ui.texteditor.AbstractDocumentProvider;
import com.hundsun.ares.studio.core.IARESElement;
/**
* ��������Ԫ������ΪITextBased���͵��ĵ��ṩ����
* <p>CreatedDate: 2008-2-1</p>
* @author sundl
*/
public class TextBasedDocumentProvider extends AbstractDocumentProvider {
public TextBasedDocumentProvider() {
}
/* (non-Javadoc)
* @see org.eclipse.ui.texteditor.AbstractDocumentProvider#createAnnotationModel(java.lang.Object)
*/
@Override
protected IAnnotationModel createAnnotationModel(Object element) throws CoreException {
if (element instanceof TextBasedEditorInput) {
return new AnnotationModel();
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.ui.texteditor.AbstractDocumentProvider#createDocument(java.lang.Object)
*/
@Override
protected IDocument createDocument(Object element) throws CoreException {
IDocument doc = new Document();
if(element instanceof TextBasedEditorInput) {
ITextBased e = ((TextBasedEditorInput)element).getTextbased();
doc.set(e.getText());
return doc;
}
doc.set("");
return doc;
}
/* (non-Javadoc)
* @see org.eclipse.ui.texteditor.AbstractDocumentProvider#doSaveDocument(org.eclipse.core.runtime.IProgressMonitor, java.lang.Object, org.eclipse.jface.text.IDocument, boolean)
*/
@Override
protected void doSaveDocument(IProgressMonitor monitor, Object element,
IDocument document, boolean overwrite) throws CoreException {
if(element instanceof TextBasedEditorInput) {
ITextBased e = ((TextBasedEditorInput)element).getTextbased();
e.setText(document.get());
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.texteditor.AbstractDocumentProvider#getOperationRunner(org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
protected IRunnableContext getOperationRunner(IProgressMonitor monitor) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.ui.texteditor.AbstractDocumentProvider#isModifiable(java.lang.Object)
*/
@Override
public boolean isModifiable(Object element) {
return !getAresElement(element).isReadOnly();
}
/* (non-Javadoc)
* @see org.eclipse.ui.texteditor.AbstractDocumentProvider#isReadOnly(java.lang.Object)
*/
@Override
public boolean isReadOnly(Object element) {
return getAresElement(element).isReadOnly();
}
private IARESElement getAresElement(Object element) {
if(element instanceof TextBasedEditorInput) {
return ((TextBasedEditorInput)element).getARESElement();
}
return null;
}
}