package net.sourceforge.pmd.eclipse.ui.views.actions;

import net.sourceforge.pmd.eclipse.ui.PMDUiConstants;
import net.sourceforge.pmd.eclipse.ui.model.AbstractPMDRecord;
import net.sourceforge.pmd.eclipse.ui.nls.StringKeys;
import net.sourceforge.pmd.eclipse.ui.views.ProjectFilter;
import net.sourceforge.pmd.eclipse.ui.views.ViolationOverview;

import org.eclipse.jface.viewers.ViewerFilter;

/**
 * Filters Projects in the Violation Overview
 * 
 * @author SebastianRaffel ( 22.05.2005 )
 */
public class ProjectFilterAction extends AbstractPMDAction {

    private ViolationOverview violationView;
    private ProjectFilter projectFilter;
    private AbstractPMDRecord project;

    /**
     * Constructor
     * 
     * @param projectRecord, the project to show or hide
     * @param view, the Violation Overview
     */
    public ProjectFilterAction(AbstractPMDRecord projectRecord, ViolationOverview view) {
        violationView = view;
        project = projectRecord;

        // we need to get the views Filter
        ViewerFilter[] filters = view.getViewer().getFilters();
        for (ViewerFilter filter : filters) {
            if (filter instanceof ProjectFilter)
                projectFilter = (ProjectFilter) filter;
        }

        // we set Image and Text for the Action
        setText(getString(StringKeys.VIEW_FILTER_PROJECT_PREFIX) + " " + projectRecord.getName());
    }

 	protected String imageId() { return PMDUiConstants.ICON_PROJECT; }
 	
 	protected String tooltipMsgId() { return null; }      
    
    /**
     * @return the Style, in which the Button is displayed
     */
    public int getStyle() {
        return AS_CHECK_BOX;
    }

    /**
     * Executes the Action
     */
    public void run() {
        // the Filter contains a List of Projects to show
        // we add or remove our project to/from this List

        if (isChecked()) {
            projectFilter.removeProjectFromList(project);
        } else {
            projectFilter.addProjectToList(project);
        }

        violationView.refresh();
    }
}