RteSetupParticipant.java

/*******************************************************************************
* Copyright (c) 2015 ARM Ltd. and others
* 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:
* ARM Ltd and ARM Germany GmbH - Initial API and implementation
*******************************************************************************/

package com.arm.cmsis.pack.project;

import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.index.IIndexManager;
import org.eclipse.cdt.core.index.IndexerSetupParticipant;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.core.settings.model.CProjectDescriptionEvent;
import org.eclipse.cdt.core.settings.model.ICProjectDescriptionListener;
import org.eclipse.cdt.core.settings.model.ICProjectDescriptionManager;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;

import com.arm.cmsis.pack.project.utils.ProjectUtils;


/**
 * This class handles project creation event in order to apply RTE configuration data to loaded project.<br>
 * It also postpones project indexing until RTE data applied to the project.    
 */
public class RteSetupParticipant extends IndexerSetupParticipant implements ICProjectDescriptionListener{

	/**
	 *  Default constructor that registers this as IndexerSetupParticipant and ICProjectDescriptionListener
	 */
	public RteSetupParticipant() {
		IIndexManager indexManager = CCorePlugin.getIndexManager();
		ICProjectDescriptionManager descManager = CCorePlugin.getDefault().getProjectDescriptionManager();
		if(indexManager != null && descManager != null){
			indexManager.addIndexerSetupParticipant(this);
			descManager.addCProjectDescriptionListener(this, CProjectDescriptionEvent.ALL);
		}		
	}
	
	
	@Override
	public void handleEvent(CProjectDescriptionEvent event) {
		if(event.getEventType() == CProjectDescriptionEvent.LOADED) {
			IProject project = event.getProject();
			if(!RteProjectNature.hasRteNature(project))
				return;
			
			RteProjectManager rteProjectManager = CpProjectPlugIn.getRteProjectManager();
			IRteProject rteProject = rteProjectManager.createRteProject(project); 
			try {
				rteProject.load();
			} catch (CoreException e) {
				e.printStackTrace();
			}
		}
	}

	// IndexerSetupParticipant overridden methods  
	@Override
	public boolean postponeIndexerSetup(ICProject cproject) {
		IProject project = cproject.getProject();
		if(!RteProjectNature.hasRteNature(project))
			return false;

		RteProjectManager rteProjectManager = CpProjectPlugIn.getRteProjectManager();
		IRteProject rteProject = rteProjectManager.getRteProject(project);
		if(rteProject == null || !rteProject.isUpdateCompleted()) {
			return true; // postpone indexer until RTE data is loaded and updated
		}
		return false;
	}

	public void updateIndex(IProject project) {
		ICProject cproject = ProjectUtils.getCProject(project);
		if(cproject != null){
			notifyIndexerSetup(cproject);
		}
	}
	
	
}