com.chungkwong.jgitgui.ProgressDialog.java Source code

Introduction

Here is the source code for com.chungkwong.jgitgui.ProgressDialog.java

Source

/*
 * Copyright (C) 2016 Chan Chung Kwong <1m02math@126.com>
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.chungkwong.jgitgui;

import javafx.application.*;
import javafx.scene.control.*;
import org.eclipse.jgit.lib.*;

/**
 *
 * @author Chan Chung Kwong <1m02math@126.com>
 */
public class ProgressDialog extends Dialog<Object> implements ProgressMonitor {
    private final ProgressBar bar = new ProgressBar();
    private int totalTask = 1, finishedTask = 0;
    private int totalWork = 0, finishedWork = 0;

    public ProgressDialog(String title) {
        setTitle(title);
        getDialogPane().setContent(bar);
        getDialogPane().getButtonTypes().add(ButtonType.CANCEL);

        show();
    }

    @Override
    public synchronized void start(int totalTasks) {
        this.totalTask = totalTasks;
    }

    @Override
    public synchronized void beginTask(String title, int totalWork) {
        this.totalWork = totalWork;
        this.finishedWork = 0;
        Platform.runLater(() -> setHeaderText(title));
    }

    @Override
    public synchronized void update(int completed) {
        finishedWork += completed;
        Platform.runLater(() -> {
            if (totalWork > 0)
                bar.setProgress((finishedTask + ((double) finishedWork) / totalWork) / totalTask);
        });
    }

    @Override
    public synchronized void endTask() {
        ++finishedTask;
        Platform.runLater(() -> {
            if (finishedTask >= totalTask)
                hide();
            bar.setProgress((double) finishedTask / totalTask);
        });
    }

    @Override
    public boolean isCancelled() {
        return false;
    }
}