scrum.client.files.ProjectSelectionWidget.java Source code

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Here is the source code for scrum.client.files.ProjectSelectionWidget.java

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/*
 *
 * 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.files;

import ilarkesto.core.base.Str;
import ilarkesto.core.base.Utl;

import java.util.Comparator;
import java.util.List;

import scrum.client.ScrumScopeManager;
import scrum.client.common.AScrumWidget;
import scrum.client.project.Project;

import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.CaptionPanel;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Panel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

public class ProjectSelectionWidget extends AScrumWidget {

    private Button button = new Button();

    private DialogBox dialog;

    protected Project selectedProject;

    private Callback callback;

    /*
     * Provide a new project for a requirement
     */

    public ProjectSelectionWidget(Callback callback) {
        this.callback = callback;
    }

    @Override
    protected Widget onInitialization() {
        CaptionPanel outerPanel = new CaptionPanel("Select destination Project");
        Panel panel = new VerticalPanel();
        outerPanel.add(panel);

        List<Project> projects = Utl.sort(Project.listAll(), new Comparator<Project>() {

            @Override
            public int compare(Project project1, Project project2) {
                return project1.getLabel().compareTo(project2.getLabel());
            }
        });

        ListBox projectList = new ListBox();
        projectList.setVisibleItemCount(10);
        projectList.addStyleName("ProjectList");

        projectList.addChangeHandler(new ChangeHandler() {

            @Override
            public void onChange(ChangeEvent event) {
                ListBox lb = (ListBox) event.getSource();
                String projectId = lb.getValue((lb.getSelectedIndex()));
                if (Str.isBlank(projectId))
                    return;
                selectedProject = Project.getById(projectId);
            }

        });

        projectList.addStyleName("listAvailableProjects");
        for (Project project : projects) {
            if (project.equals(ScrumScopeManager.getProject()))
                continue;
            // if (!project.isProductOwner(getCurrentUser())) continue;
            projectList.addItem(project.getLabel(), project.getId());
        }

        Button btnSelect = new Button("Apply", new ClickHandler() {

            @Override
            public void onClick(ClickEvent event) {
                if (selectedProject != null) {
                    callback.onProjectSelected(selectedProject);
                }

                dialog.hide();
            }
        });
        btnSelect.setStyleName("btnSelectProject");

        Button btnCancel = new Button("Cancel", new ClickHandler() {

            @Override
            public void onClick(ClickEvent event) {
                dialog.hide();
            }
        });
        btnCancel.setStyleName("btnCancelSelectProject");

        Panel pnlButtons = new HorizontalPanel();
        pnlButtons.setStyleName("pnlSelectProject");
        pnlButtons.add(btnSelect);
        pnlButtons.add(btnCancel);

        panel.add(projectList);
        panel.add(pnlButtons);

        return outerPanel;
    }

    @Override
    protected void onUpdate() {
        super.onUpdate();
        button.setVisible(false);
    }

    public void showDialog() {

        dialog = new DialogBox(true, true);
        dialog.setAnimationEnabled(true);
        dialog.setWidget(update());

        dialog.center();
        dialog.show();

    }

    public DialogBox getDialog() {
        return dialog;
    }

    public static interface Callback {

        void onProjectSelected(Project project);

    }
}