/*******************************************************************************
* Copyright (c) 2007, 2010 Spring IDE Developers
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Spring IDE Developers - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.beans.mylyn.ui;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.mylyn.monitor.ui.AbstractUserInteractionMonitor;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
import org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart;
import org.springframework.ide.eclipse.beans.core.internal.model.BeansModelUtils;
import org.springframework.ide.eclipse.beans.mylyn.core.BeansContextStructureBridge;
import org.springframework.ide.eclipse.core.model.IModelElement;
import org.w3c.dom.Text;
/**
* {@link AbstractUserInteractionMonitor} extension that tracks current selections in the open
* editor and sends back feedback to Mylyn that a element has been selected and the interest level
* should be increased.
* @author Christian Dupuis
* @since 2.0
*/
@SuppressWarnings("restriction")
public class BeansUserInteractionMonitor extends AbstractUserInteractionMonitor {
@Override
protected void handleWorkbenchPartSelection(IWorkbenchPart part, ISelection selection,
boolean contributeToContext) {
if ((part instanceof XMLMultiPageEditorPart || part instanceof IBeansXmlEditor)
&& selection instanceof ITextSelection) {
ITextEditor textEditor = (ITextEditor) part.getAdapter(ITextEditor.class);
IEditorInput editorInput = textEditor.getEditorInput();
if (editorInput instanceof IFileEditorInput) {
IFile file = ((IFileEditorInput) editorInput).getFile();
if (BeansContextStructureBridge.isBeansConfig(file)) {
int startLine = ((ITextSelection) selection).getStartLine() + 1;
int endLine = ((ITextSelection) selection).getEndLine() + 1;
IStructuredSelection sel = (IStructuredSelection) selection;
for (Object obj : sel.toArray()) {
// Try to resolve to a better node instead of working with text
if (obj instanceof Text && ((IDOMNode) obj).getOwnerDocument() != null) {
IDOMNode sibling = (IDOMNode) ((Text) obj).getNextSibling();
if (sibling != null) {
int siblingStartLine = ((IDOMDocument) sibling.getOwnerDocument())
.getStructuredDocument().getLineOfOffset(
sibling.getStartOffset()) + 1;
int siblingEndLine = ((IDOMDocument) sibling.getOwnerDocument())
.getStructuredDocument().getLineOfOffset(
sibling.getEndOffset()) + 1;
if (startLine == siblingStartLine) {
startLine = siblingStartLine;
endLine = siblingEndLine;
}
}
}
else if (obj instanceof IDOMNode
&& ((IDOMNode) obj).getOwnerDocument() != null
&& !((IDOMNode) obj).getOwnerDocument().getDocumentElement()
.equals(obj)) {
IDOMNode node = (IDOMNode) obj;
startLine = ((IDOMDocument) node.getOwnerDocument())
.getStructuredDocument().getLineOfOffset(node.getStartOffset()) + 1;
endLine = ((IDOMDocument) node.getOwnerDocument())
.getStructuredDocument().getLineOfOffset(node.getEndOffset()) + 1;
}
IModelElement mostspecificElement = BeansModelUtils
.getMostSpecificModelElement(startLine, endLine, file, null);
if (mostspecificElement != null) {
super.handleElementSelection(part, mostspecificElement,
contributeToContext);
}
}
}
}
}
}
}