com.tasktop.c2c.server.tasks.client.widgets.ConfirmDeleteTaskQueryDialog.java Source code

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Here is the source code for com.tasktop.c2c.server.tasks.client.widgets.ConfirmDeleteTaskQueryDialog.java

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/*******************************************************************************
 * Copyright (c) 2010, 2012 Tasktop Technologies
 * Copyright (c) 2010, 2011 SpringSource, a division of VMware
 * 
 * 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:
 *     Tasktop Technologies - initial API and implementation
 ******************************************************************************/
package com.tasktop.c2c.server.tasks.client.widgets;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.logical.shared.ResizeEvent;
import com.google.gwt.event.logical.shared.ResizeHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.Widget;
import com.tasktop.c2c.server.tasks.client.TasksMessages;
import com.tasktop.c2c.server.tasks.client.presenters.ITaskListView;
import com.tasktop.c2c.server.tasks.domain.SavedTaskQuery;

/**
 * @author Clint Morgan <clint.morgan@tasktop.com> (Tasktop Technologies Inc.)
 */
public class ConfirmDeleteTaskQueryDialog extends DialogBox implements ITaskListView {

    private static Binder uiBinder = GWT.create(Binder.class);

    interface Binder extends UiBinder<Widget, ConfirmDeleteTaskQueryDialog> {
    }

    @UiField
    Label queryDeleteConfirmationMessage;
    @UiField
    Button deleteButton;
    @UiField
    Button cancelButton;

    private Presenter presenter;
    private SavedTaskQuery query;
    private TasksMessages tasksMessages = GWT.create(TasksMessages.class);

    private static ConfirmDeleteTaskQueryDialog instance;

    public static ConfirmDeleteTaskQueryDialog getInstance(Presenter presenter, SavedTaskQuery query) {
        if (instance == null) {
            instance = new ConfirmDeleteTaskQueryDialog();
        }
        instance.setPresenter(presenter);
        instance.setQuery(query);
        return instance;
    }

    private ConfirmDeleteTaskQueryDialog() {
        super(false, true);
        setText(tasksMessages.confirmDelete());
        setWidget(uiBinder.createAndBindUi(this));
        setAnimationEnabled(true); // Why not?
        setGlassEnabled(true);
        Window.addResizeHandler(new ResizeHandler() {
            @Override
            public void onResize(ResizeEvent event) {
                if (isShowing()) {
                    center();
                }
            }
        });
    }

    @Override
    public void setPresenter(Presenter presenter) {
        this.presenter = presenter;
    }

    @UiHandler("cancelButton")
    void onCancel(ClickEvent event) {
        hide();
    }

    @UiHandler("deleteButton")
    void onDelete(ClickEvent event) {
        presenter.doDeleteQuery(query);
        hide();
    }

    /**
     * @param query
     *            the query to set
     */
    public void setQuery(SavedTaskQuery query) {
        this.query = query;
        this.queryDeleteConfirmationMessage.setText(tasksMessages.deleteQueryConfirmationMessage(query.getName()));
    }

}