com.hudren.woodpile.views.LogExplorerView.java Source code

Introduction

Here is the source code for com.hudren.woodpile.views.LogExplorerView.java

Source

/*
 * Project: com.hudren.woodpile
 * File:    LogExplorerView.java
 *
 * Author:  Jeff Hudren
 * Created: May 6, 2006
 *
 * Copyright (c) 2006-2013 Hudren Andromeda Connection. All rights reserved. 
 * 
 * The use and distribution terms for this software are covered by the
 * Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
 * which can be found in the file epl-v10.html at the root of this distribution.
 * 
 * By using this software in any fashion, you are agreeing to be bound by
 * the terms of this license.
 * 
 * You must not remove this notice, or any other, from this software.
 */

package com.hudren.woodpile.views;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.viewers.ITreeSelection;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.part.ViewPart;

import com.hudren.woodpile.WoodpilePlugin;
import com.hudren.woodpile.model.Log;
import com.hudren.woodpile.model.Session;

/**
 * TODO LogExplorerView description
 * 
 * @author Jeff Hudren
 */
public class LogExplorerView extends ViewPart {

    public static final String ID = "com.hudren.woodpile.views.LogExplorerView";

    private TreeViewer viewer;

    private LogExplorerViewContentProvider contentProvider;

    private Action newLogAction;

    private Action deleteSessionAction;

    private Action deleteSessionsAction;

    /**
     * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
     */
    @Override
    public void createPartControl(final Composite parent) {
        createTreeViewer(parent);

        createActions();
        contributeToActionBars();

        getSite().setSelectionProvider(viewer);
    }

    private void createTreeViewer(final Composite parent) {
        viewer = new TreeViewer(parent, SWT.H_SCROLL | SWT.V_SCROLL);

        viewer.setContentProvider(contentProvider = new LogExplorerViewContentProvider(this));
        viewer.setLabelProvider(new LogExplorerViewLabelProvider(viewer));
        viewer.setInput(WoodpilePlugin.getDefault().getLogs());
    }

    private void contributeToActionBars() {
        final IActionBars bars = getViewSite().getActionBars();
        fillLocalToolBar(bars.getToolBarManager());
    }

    private void fillLocalToolBar(final IToolBarManager manager) {
        // manager.add( newLogAction );

        // manager.add( new Separator() );
        manager.add(deleteSessionAction);
        manager.add(deleteSessionsAction);
    }

    private void createActions() {
        newLogAction = new Action("New Log") {

            @Override
            public void run() {
            }

        };
        newLogAction.setToolTipText("Create a new log");
        newLogAction.setImageDescriptor(WoodpilePlugin.getImageDescriptor("icons/new_report.gif"));

        deleteSessionAction = new Action("Delete") {

            @Override
            public void run() {
                final ITreeSelection selection = (ITreeSelection) viewer.getSelection();

                if (selection != null) {
                    final Object obj = selection.getFirstElement();

                    if (obj instanceof Session)
                        contentProvider.deleteInactiveSession((Session) obj);
                }
            }

        };
        deleteSessionAction.setToolTipText("Delete Inactive Session");
        deleteSessionAction.setImageDescriptor(WoodpilePlugin.getImageDescriptor("icons/participant_rem.gif"));

        deleteSessionsAction = new Action("Delete All") {

            @Override
            public void run() {
                Log log = null;
                final ITreeSelection selection = (ITreeSelection) viewer.getSelection();

                if (selection != null) {
                    final Object obj = selection.getFirstElement();

                    if (obj instanceof Session)
                        log = ((Session) obj).getLog();
                }

                contentProvider.deleteInactiveSessions();

                if (log != null) {
                    final Session session = log.getActiveSession();
                    if (session != null)
                        setSelection(session);
                }
            }

        };
        deleteSessionsAction.setToolTipText("Delete All Inactive Sessions");
        deleteSessionsAction.setImageDescriptor(WoodpilePlugin.getImageDescriptor("icons/participant_remall.gif"));
    }

    /**
     * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
     */
    @Override
    public void setFocus() {
    }

    /**
     * TODO getCurrentLog description
     */
    public Log getCurrentLog() {
        Object selection = viewer.getSelection();

        if (selection instanceof Session)
            selection = ((Session) selection).getLog();

        if (selection instanceof Log)
            return (Log) selection;

        return null;
    }

    public void setSelection(final Session session) {
        viewer.setSelection(new TreeSelection(new TreePath(new Object[] { session.getLog(), session })), true);
    }

}