com.application.areca.launcher.gui.composites.HistoryComposite.java Source code

Java tutorial

Introduction

Here is the source code for com.application.areca.launcher.gui.composites.HistoryComposite.java

Source

package com.application.areca.launcher.gui.composites;

import java.util.GregorianCalendar;

import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;

import com.application.areca.AbstractTarget;
import com.application.areca.HistoryEntryTypes;
import com.application.areca.ResourceManager;
import com.application.areca.Utils;
import com.application.areca.launcher.gui.Application;
import com.application.areca.launcher.gui.common.AbstractWindow;
import com.application.areca.launcher.gui.common.ArecaImages;
import com.application.areca.launcher.gui.common.Refreshable;
import com.myJava.util.history.History;
import com.myJava.util.history.HistoryEntry;

/**
 * <BR>
 * @author Olivier PETRUCCI
 * <BR>
 *
 */

/*
Copyright 2005-2011, Olivier PETRUCCI.
    
This file is part of Areca.
    
Areca is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
    
Areca is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with Areca; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    
*/
public class HistoryComposite extends AbstractTabComposite implements Listener, Refreshable, HistoryEntryTypes {
    protected final ResourceManager RM = ResourceManager.instance();

    private Table table;
    private TableViewer viewer;
    private Application application = Application.getInstance();

    protected Button btnClear;

    public HistoryComposite(Composite parent) {
        super(parent, SWT.NONE);
        GridLayout layout = new GridLayout(1, false);
        layout.marginHeight = 0;
        layout.marginWidth = 0;
        setLayout(layout);

        viewer = new TableViewer(this, SWT.BORDER | SWT.SINGLE);

        table = viewer.getTable();
        table.setLinesVisible(AbstractWindow.getTableLinesVisible());
        table.setHeaderVisible(true);

        TableColumn col1 = new org.eclipse.swt.widgets.TableColumn(table, SWT.NONE);
        col1.setMoveable(true);
        TableColumn col2 = new org.eclipse.swt.widgets.TableColumn(table, SWT.NONE);
        col2.setMoveable(true);

        table.getColumn(1).setText(RM.getLabel("history.datecolumn.label"));
        table.getColumn(0).setText(RM.getLabel("history.actioncolumn.label"));
        table.getColumn(1).setWidth(AbstractWindow.computeWidth(300));
        table.getColumn(0).setWidth(AbstractWindow.computeWidth(400));

        table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        buildBottomComposite(this);
    }

    private Composite buildBottomComposite(Composite parent) {
        Composite panel = new Composite(parent, SWT.NONE);
        panel.setLayout(new GridLayout(1, false));
        panel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

        btnClear = new Button(panel, SWT.PUSH);
        btnClear.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, true, false));
        btnClear.setText(RM.getLabel("history.clearbutton.label"));
        btnClear.addListener(SWT.Selection, this);

        return panel;
    }

    public void refresh() {
        table.removeAll();
        if (application.isCurrentObjectTarget()) {
            fillTargetData(application.getCurrentTarget());
        }
    }

    public Object getRefreshableKey() {
        return this.getClass().getName();
    }

    private void fillTargetData(AbstractTarget target) {
        History h = target.getMedium().getHistoryHandler().readHistory();
        if (h != null) {
            GregorianCalendar[] keys = h.getKeys(true);

            for (int i = keys.length - 1; i >= 0; i--) {
                HistoryEntry entry = h.getEntry(keys[i]);
                int type = entry.getType();

                TableItem item = new TableItem(table, SWT.NONE);

                if (type == HISTO_BACKUP_CANCEL) {
                    item.setImage(0, ArecaImages.ICO_ACT_CANCEL);
                } else if (type == HISTO_BACKUP || type == HISTO_RESUME) {
                    item.setImage(0, ArecaImages.ICO_ACT_ARCHIVE);
                } else if (type == HISTO_DELETE) {
                    item.setImage(0, ArecaImages.ICO_ACT_DELETE);
                } else if (type == HISTO_RECOVER) {
                    item.setImage(0, ArecaImages.ICO_ACT_RESTAURE);
                } else {
                    item.setImage(0, ArecaImages.ICO_ACT_MERGE);
                }

                item.setText(1, Utils.formatDisplayDate(keys[i]));
                item.setText(0, entry.getDescription());
            }
        }
    }

    public void handleEvent(Event event) {
        if (application.isCurrentObjectTarget()) {
            int result = application.showConfirmDialog(RM.getLabel("history.clear.confirm.question"),
                    RM.getLabel("history.clear.confirm.title"));
            if (result == SWT.YES) {
                this.application.getCurrentTarget().getMedium().getHistoryHandler().clearData();
                this.refresh();
            }
        }
    }
}