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/*******************************************************************************
* Copyright (c) 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v0.5
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v05.html
*
* Contributors:
* IBM Corp. - Rational Software - initial implementation
******************************************************************************/
package org.eclipse.cdt.ui.dialogs;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.ICDescriptor;
import org.eclipse.cdt.internal.core.search.indexing.IndexManager;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.dialogs.PropertyPage;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
public class IndexerOptionPropertyPage extends PropertyPage {
private IndexerOptionDialogPage optionPage;
private boolean oldIndexerValue;
private int oldIndexerProblemsValue;
private boolean requestedIndexAll;
public IndexerOptionPropertyPage(){
super();
optionPage = new IndexerOptionDialogPage();
requestedIndexAll = false;
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
*/
protected Control createContents(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayout(new FillLayout());
optionPage.createControl(composite);
//WorkbenchHelp.setHelp(composite, ICHelpContextIds.PROJECT_INDEXER_PROPERTIES);
initialize();
return composite;
}
protected void performDefaults() {
initialize();
super.performDefaults();
}
private void initialize(){
IProject project = getProject();
try {
oldIndexerValue = getIndexerEnabled(project);
} catch (CoreException e) {
e.printStackTrace();
}
optionPage.setIndexerValue(oldIndexerValue);
}
/*
* @see IPreferencePage#performOk()
*/
public boolean performOk() {
boolean newIndexerValue = optionPage.getIndexerValue();
boolean indexChanged = (oldIndexerValue != newIndexerValue);
if ( indexChanged ){
//persist new values
IProject tempProject = getProject();
optionPage.persistIndexerValues(tempProject);
//if indexer is now on send a index all request
if( indexChanged && newIndexerValue && !requestedIndexAll ) {
CCorePlugin.getDefault().getCoreModel().getIndexManager().indexAll(tempProject);
requestedIndexAll = true;
} else if( indexChanged && !newIndexerValue ) {
CCorePlugin.getDefault().getCoreModel().getIndexManager().discardJobs( tempProject.getName() );
}
}
return true;
}
public IProject getProject(){
Object tempElement = getElement();
IProject project = null;
if (tempElement != null && tempElement instanceof IProject)
project = (IProject) tempElement;
return project;
}
public boolean getIndexerEnabled(IProject project) throws CoreException {
// See if there's already one associated with the resource for this
// session
Boolean indexValue = (Boolean) project.getSessionProperty(IndexManager.activationKey);
// Try to load one for the project
if (indexValue == null) {
indexValue = loadIndexerEnabledFromCDescriptor(project);
}
// There is nothing persisted for the session, or saved in a file so
// create a build info object
if (indexValue != null) {
project.setSessionProperty(IndexManager.activationKey, indexValue);
}
else{
//Hmm, no persisted indexer value. Could be an old project - set to true and persist
indexValue = new Boolean(true);
optionPage.setIndexerValue(true);
optionPage.persistIndexerValues(project);
}
return indexValue.booleanValue();
}
/**
* Loads dis from .cdtproject file
* @param project
* @param includes
* @param symbols
* @throws CoreException
*/
private Boolean loadIndexerEnabledFromCDescriptor(IProject project) throws CoreException {
ICDescriptor descriptor = CCorePlugin.getDefault().getCProjectDescription(project);
Node child = descriptor.getProjectData(IndexManager.CDT_INDEXER).getFirstChild();
Boolean strBool = null;
while (child != null) {
if (child.getNodeName().equals(IndexManager.INDEXER_ENABLED))
strBool = Boolean.valueOf(((Element)child).getAttribute(IndexManager.INDEXER_VALUE));
child = child.getNextSibling();
}
return strBool;
}
}
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