com.google.gwt.sample.showcase.client.content.i18n.CwDictionaryExample.java Source code

Introduction

Here is the source code for com.google.gwt.sample.showcase.client.content.i18n.CwDictionaryExample.java

Source

/*
 * 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.i18n;

import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.RunAsyncCallback;
import com.google.gwt.i18n.client.Constants;
import com.google.gwt.i18n.client.Dictionary;
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.FlexTable;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HTMLTable.CellFormatter;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

import java.util.Set;

/**
 * Example file.
 */
@ShowcaseStyle(".cw-DictionaryExample")
public class CwDictionaryExample extends ContentWidget {
    /**
     * The constants used in this Content Widget.
     */
    @ShowcaseSource
    public static interface CwConstants extends Constants {
        String cwDictionaryExampleDescription();

        String cwDictionaryExampleLinkText();

        String cwDictionaryExampleName();
    }

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

    /**
     * Constructor.
     *
     * @param constants the constants
     */
    public CwDictionaryExample(CwConstants constants) {
        super(constants.cwDictionaryExampleName(), constants.cwDictionaryExampleDescription(), true);
        this.constants = constants;
    }

    /**
     * Initialize this example.
     */
    @ShowcaseSource
    @Override
    public Widget onInitialize() {
        // Create a vertical panel to layout the contents
        VerticalPanel layout = new VerticalPanel();

        // Show the HTML variable that defines the dictionary
        HTML source = new HTML("<pre>var userInfo = {\n" + "&nbsp;&nbsp;name: \"Amelie Crutcher\",\n"
                + "&nbsp;&nbsp;timeZone: \"EST\",\n" + "&nbsp;&nbsp;userID: \"123\",\n"
                + "&nbsp;&nbsp;lastLogOn: \"2/2/2006\"\n" + "};</pre>\n");
        source.getElement().setDir("ltr");
        source.getElement().getStyle().setProperty("textAlign", "left");
        layout.add(new HTML(constants.cwDictionaryExampleLinkText()));
        layout.add(source);

        // Create the Dictionary of data
        FlexTable userInfoGrid = new FlexTable();
        CellFormatter formatter = userInfoGrid.getCellFormatter();
        Dictionary userInfo = Dictionary.getDictionary("userInfo");
        Set<String> keySet = userInfo.keySet();
        int columnCount = 0;
        for (String key : keySet) {
            // Get the value from the set
            String value = userInfo.get(key);

            // Add a column with the data
            userInfoGrid.setHTML(0, columnCount, key);
            formatter.addStyleName(0, columnCount, "cw-DictionaryExample-header");
            userInfoGrid.setHTML(1, columnCount, value);
            formatter.addStyleName(1, columnCount, "cw-DictionaryExample-data");

            // Go to the next column
            columnCount++;
        }
        layout.add(new HTML("<br><br>"));
        layout.add(userInfoGrid);

        // Return the layout Widget
        return layout;
    }

    @Override
    protected void asyncOnInitialize(final AsyncCallback<Widget> callback) {
        GWT.runAsync(CwDictionaryExample.class, new RunAsyncCallback() {

            public void onFailure(Throwable caught) {
                callback.onFailure(caught);
            }

            public void onSuccess() {
                callback.onSuccess(onInitialize());
            }
        });
    }
}