scrum.client.project.EstimationBarWidget.java Source code

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Here is the source code for scrum.client.project.EstimationBarWidget.java

Source

/*
 * Copyright 2011 Witoslaw Koczewsi <wi@koczewski.de>, Artjom Kochtchi
 * 
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero 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 Affero 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 scrum.client.project;

import ilarkesto.gwt.client.FloatingFlowPanel;
import ilarkesto.gwt.client.Gwt;

import java.util.ArrayList;
import java.util.List;

import scrum.client.common.AScrumWidget;

import com.google.gwt.user.client.ui.Widget;

public class EstimationBarWidget extends AScrumWidget {

    private FloatingFlowPanel flowPanel;
    private static int factor = 3;

    private Requirement requirement;

    public EstimationBarWidget(Requirement requirement) {
        this.requirement = requirement;
    }

    @Override
    protected void onUpdate() {
        EstimationBar bar = requirement == null ? null : requirement.getEstimationBar();
        if (bar == null)
            bar = new EstimationBar(0, new ArrayList<Float>());
        flowPanel.clear();
        List<Float> estimations = bar.getWorkPerSprint();
        int sprintOffset = bar.getSprintOffset();

        for (int i = 0; i < estimations.size(); i++) {

            int barIndex;
            if ((i + sprintOffset) % 2 == 0) {
                barIndex = 0;
            } else {
                barIndex = 1;
            }
            Widget w = Gwt.createEmptyDiv("EstimationBarWidget-bar" + barIndex);
            w.setHeight("6px");
            w.setWidth((factor * estimations.get(i)) + "px");
            flowPanel.add(w);
        }

        String tip;

        int requiredSprints = estimations.size() <= 1 ? sprintOffset + 1 : sprintOffset + estimations.size();
        tip = "Expected  to be completed after " + requiredSprints + " sprint"
                + (requiredSprints == 1 ? "." : "s.");

        flowPanel.getElement().setTitle(tip);
    }

    @Override
    protected Widget onInitialization() {
        flowPanel = new FloatingFlowPanel();
        return Gwt.createFloatingFlowPanelRight(Gwt.createDiv("EstimationBarWidget", flowPanel));
    }
}