/*******************************************************************************
* Copyright (c) 2006, 2007 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.ui.editor.actions;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.search.ui.ISearchQuery;
import org.eclipse.search.ui.NewSearchUI;
import org.springframework.ide.eclipse.beans.ui.actions.AbstractBeansConfigEditorAction;
import org.springframework.ide.eclipse.beans.ui.search.internal.BeansSearchScope;
import org.springframework.ide.eclipse.beans.ui.search.internal.queries.BeanReferenceQuery;
import org.springframework.util.StringUtils;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
/**
* Starts a search for bean references with bean in current selection.
* @author Christian Dupuis
* @author Torsten Juergeleit
* @see org.springframework.ide.eclipse.beans.ui.search.internal.queries.BeanReferenceQuery
*/
public class SearchBeanReferencesAction extends AbstractBeansConfigEditorAction {
@Override
public void run(IAction action) {
if (getTextEditor() != null) {
ISelection selection = getTextEditor().getSelectionProvider()
.getSelection();
String beanId = extractBeanId(selection);
if (beanId != null) {
ISearchQuery query = new BeanReferenceQuery(BeansSearchScope
.newSearchScope(), beanId, true, true);
NewSearchUI.activateSearchResultView();
NewSearchUI.runQueryInBackground(query);
}
}
}
/**
* Extracts a regexp expression with the bean ID from the bean tag in the
* given selection's first element.
* @param selection the current text selection
* @return a string containing the pattern
*/
private String extractBeanId(ISelection selection) {
String beanId = null;
if (selection instanceof IStructuredSelection) {
IStructuredSelection structSelection = (IStructuredSelection) selection;
Object obj = structSelection.getFirstElement();
if (obj instanceof Element) {
Element elem = (Element) obj;
String tagName = elem.getTagName();
if ("bean".equals(tagName)) {
// At first retrieve the bean's ID to start the reg exp
Attr attribute = elem.getAttributeNode("id");
if (attribute != null && attribute.getValue() != null) {
beanId = attribute.getValue();
}
// Now retrieve the bean's alias names and add it to the
// reg exp
attribute = elem.getAttributeNode("name");
if (attribute != null && attribute.getValue() != null) {
String[] tokens = StringUtils.tokenizeToStringArray(
attribute.getValue(), ",; ");
for (String element : tokens) {
if (beanId != null) {
beanId += "|" + element;
}
else {
beanId = element;
}
}
}
}
}
}
return beanId;
}
}