com.google.gwt.sample.showcase.client.content.widgets.CwCheckBox.java Source code

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Here is the source code for com.google.gwt.sample.showcase.client.content.widgets.CwCheckBox.java

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/*
 * Copyright 2008 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.sample.showcase.client.content.widgets;

import com.google.gwt.i18n.client.Constants;
import com.google.gwt.sample.showcase.client.ContentWidget;
import com.google.gwt.sample.showcase.client.ShowcaseAnnotations.ShowcaseData;
import com.google.gwt.sample.showcase.client.ShowcaseAnnotations.ShowcaseSource;
import com.google.gwt.sample.showcase.client.ShowcaseAnnotations.ShowcaseStyle;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.CheckBox;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * Example file.
 */
@ShowcaseStyle(".gwt-CheckBox")
public class CwCheckBox extends ContentWidget {
    /**
     * The constants used in this Content Widget.
     */
    @ShowcaseSource
    public static interface CwConstants extends Constants {
        String cwCheckBoxCheckAll();

        String[] cwCheckBoxDays();

        String cwCheckBoxDescription();

        String cwCheckBoxName();
    }

    /**
     * An instance of the constants.
     */
    @ShowcaseData
    private final CwConstants constants;

    /**
     * Constructor.
     *
     * @param constants the constants
     */
    public CwCheckBox(CwConstants constants) {
        super(constants.cwCheckBoxName(), constants.cwCheckBoxDescription(), true);
        this.constants = constants;
    }

    /**
     * Initialize this example.
     */
    @ShowcaseSource
    @Override
    public Widget onInitialize() {
        // Create a vertical panel to align the check boxes
        VerticalPanel vPanel = new VerticalPanel();
        HTML label = new HTML(constants.cwCheckBoxCheckAll());
        label.ensureDebugId("cwCheckBox-label");
        vPanel.add(label);

        // Add a checkbox for each day of the week
        String[] daysOfWeek = constants.cwCheckBoxDays();
        for (int i = 0; i < daysOfWeek.length; i++) {
            String day = daysOfWeek[i];
            CheckBox checkBox = new CheckBox(day);
            checkBox.ensureDebugId("cwCheckBox-" + day);

            // Disable the weekends
            if (i >= 5) {
                checkBox.setEnabled(false);
            }

            vPanel.add(checkBox);
        }

        // Return the panel of checkboxes
        return vPanel;
    }

    @Override
    protected void asyncOnInitialize(final AsyncCallback<Widget> callback) {
        /*
         * CheckBox is the first demo loaded, so go ahead and load it synchronously.
         */
        callback.onSuccess(onInitialize());
    }
}