name.schedenig.eclipse.grepconsole.view.notifications.GrepConsoleNotificationStyle.java Source code

Introduction

Here is the source code for name.schedenig.eclipse.grepconsole.view.notifications.GrepConsoleNotificationStyle.java

Source

/*******************************************************************************
 * Copyright (c) 2008 - 2014 Marian Schedenig
 * 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:
 *    Marian Schedenig - initial API and implementation
 *******************************************************************************/

package name.schedenig.eclipse.grepconsole.view.notifications;

import name.schedenig.eclipse.grepconsole.Activator;
import name.schedenig.eclipse.grepconsole.Activator.IGrepConsoleListener;
import name.schedenig.eclipse.grepconsole.adapters.GrepPageParticipant;
import name.schedenig.eclipse.grepconsole.util.GrepConsoleUtil;
import name.schedenig.eclipse.popupnotifications.INotificationStyle;
import name.schedenig.eclipse.popupnotifications.IPopupNotificationManagerListener;
import name.schedenig.eclipse.popupnotifications.PopupNotificationManager;
import name.schedenig.eclipse.popupnotifications.ResourceManagingNotificationStyle;

import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;

/**
 * A notification style tied to the Grep Console resource management.
 * 
 * @author msched
 */
public class GrepConsoleNotificationStyle extends ResourceManagingNotificationStyle
        implements IGrepConsoleListener, IPopupNotificationManagerListener {
    /** Plug-in. */
    private Activator activator;

    /** Notification manager instance. */
    private PopupNotificationManager manager;

    /**
     * Creates a new instance.
     * 
     * @param parent Parent style. Should be the manager's original default style.
     * @param activator Plug-in instance.
     * @param manager Notification manager.
     */
    public GrepConsoleNotificationStyle(INotificationStyle parent, Activator activator,
            PopupNotificationManager manager) {
        super(parent);

        this.activator = activator;
        this.manager = manager;

        activator.addListener(this);
        manager.addListener(this);

        refresh();
    }

    /**
     * Releases listeners on dispose.
     */
    @Override
    public void dispose() {
        manager.removeListener(this);
        activator.removeListener(this);

        super.dispose();
    }

    /**
     * Refreshes the style's properties based on the current preferences.
     */
    public void refresh() {
        Display display = manager.getDisplay();
        RGB rgb = GrepConsoleUtil.getNotificationForegroundColor();

        if (rgb != null) {
            setForeground(new Color(display, rgb), true);
        } else {
            setForeground(null, false);
        }

        rgb = GrepConsoleUtil.getNotificationBackgroundColor();

        if (rgb != null) {
            setBackground(new Color(display, rgb), true);
        } else {
            setBackground(null, false);
        }

        IPreferenceStore prefs = activator.getPreferenceStore();

        if (prefs.getString(Activator.PREFS_NOTIFICATION_TITLE_FONT).length() == 0) {
            setTitleFont(JFaceResources.getBannerFont(), false);
        } else {
            Font titleFont = new Font(display,
                    PreferenceConverter.getFontData(prefs, Activator.PREFS_NOTIFICATION_TITLE_FONT));
            setTitleFont(titleFont, true);
        }

        if (prefs.getString(Activator.PREFS_NOTIFICATION_MESSAGE_FONT).length() == 0) {
            setMessageFont(JFaceResources.getDialogFont(), false);
        } else {
            Font messageFont = new Font(display,
                    PreferenceConverter.getFontData(prefs, Activator.PREFS_NOTIFICATION_MESSAGE_FONT));
            setMessageFont(messageFont, true);
        }
    }

    /**
     * @see name.schedenig.eclipse.grepconsole.Activator.IGrepConsoleListener#participantAdded(name.schedenig.eclipse.grepconsole.adapters.GrepPageParticipant)
     */
    @Override
    public void participantAdded(GrepPageParticipant participant) {
    }

    /**
     * @see name.schedenig.eclipse.grepconsole.Activator.IGrepConsoleListener#participantRemoved(name.schedenig.eclipse.grepconsole.adapters.GrepPageParticipant)
     */
    @Override
    public void participantRemoved(GrepPageParticipant participant) {
    }

    /**
     * @see name.schedenig.eclipse.grepconsole.Activator.IGrepConsoleListener#participantActivated(name.schedenig.eclipse.grepconsole.adapters.GrepPageParticipant)
     */
    @Override
    public void participantActivated(GrepPageParticipant participant) {
    }

    /**
     * Refreshes the style's settings when the preferences change.
     * 
     * @see name.schedenig.eclipse.grepconsole.Activator.IGrepConsoleListener#settingsChanged()
     */
    @Override
    public void settingsChanged() {
        manager.getDisplay().asyncExec(new Runnable() {
            @Override
            public void run() {
                if (!manager.isDisposed()) {
                    refresh();
                }
            }
        });
    }

    /**
     * Disposes the style when the notification manager is disposed.
     * 
     * @see name.schedenig.eclipse.popupnotifications.IPopupNotificationManagerListener#disposed(name.schedenig.eclipse.popupnotifications.PopupNotificationManager)
     */
    @Override
    public void disposed(PopupNotificationManager manager) {
        dispose();
    }
}