HistoryMetricsAction.java

package it.unisa.sesa.repominer.actions;

import it.unisa.sesa.repominer.db.ProjectDAO;
import it.unisa.sesa.repominer.db.SourceContainerDAO;
import it.unisa.sesa.repominer.db.entities.Project;
import it.unisa.sesa.repominer.db.entities.SourceContainer;
import it.unisa.sesa.repominer.metrics.HistoryMetricsCalculator;

import java.util.List;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;

/**
 * Our sample action implements workbench action delegate. The action proxy will
 * be created by the workbench and shown in the UI. When the user tries to use
 * the action, this delegate will be created and execution will be delegated to
 * it.
 * 
 * @see IWorkbenchWindowActionDelegate
 */
public class HistoryMetricsAction implements IWorkbenchWindowActionDelegate {
	private IWorkbenchWindow window;

	/**
	 * The constructor.
	 */
	public HistoryMetricsAction() {
	}

	/**
	 * The action has been activated. The argument of the method represents the
	 * 'real' action sitting in the workbench UI.
	 * 
	 * @see IWorkbenchWindowActionDelegate#run
	 */
	public void run(IAction action) {
		Project p = new ProjectDAO().getProject(1);
		if (p == null){
			System.err.println("No project stored into DB");
			return;
		}
		HistoryMetricsCalculator.calculateMetrics(p);
		List<SourceContainer> sourceContainers = new SourceContainerDAO()
				.getPackages(p);
		for (SourceContainer sourceContainer : sourceContainers) {
			HistoryMetricsCalculator.calculateMetrics(sourceContainer);
		}

		MessageDialog.openInformation(window.getShell(), "RepominerEvo",
				"History Metrics Action Launched!");
	}

	/**
	 * Selection in the workbench has been changed. We can change the state of
	 * the 'real' action here if we want, but this can only happen after the
	 * delegate has been created.
	 * 
	 * @see IWorkbenchWindowActionDelegate#selectionChanged
	 */
	public void selectionChanged(IAction action, ISelection selection) {
	}

	/**
	 * We can use this method to dispose of any system resources we previously
	 * allocated.
	 * 
	 * @see IWorkbenchWindowActionDelegate#dispose
	 */
	public void dispose() {
	}

	/**
	 * We will cache window object in order to be able to provide parent shell
	 * for the message dialog.
	 * 
	 * @see IWorkbenchWindowActionDelegate#init
	 */
	public void init(IWorkbenchWindow window) {
		this.window = window;
	}
}