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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Eclipse Public License, Version 1.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.eclipse.org/org/documents/epl-v10.php
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.ide.eclipse.adt.internal.editors.layout.configuration;
     18 
     19 import com.android.annotations.NonNull;
     20 import com.android.annotations.Nullable;
     21 import com.android.ide.eclipse.adt.internal.editors.layout.gle2.RenderPreviewMode;
     22 import com.android.ide.eclipse.adt.internal.wizards.newxmlfile.AddTranslationDialog;
     23 
     24 import org.eclipse.core.resources.IProject;
     25 import org.eclipse.swt.SWT;
     26 import org.eclipse.swt.events.SelectionAdapter;
     27 import org.eclipse.swt.events.SelectionEvent;
     28 import org.eclipse.swt.graphics.Image;
     29 import org.eclipse.swt.graphics.Point;
     30 import org.eclipse.swt.graphics.Rectangle;
     31 import org.eclipse.swt.widgets.Menu;
     32 import org.eclipse.swt.widgets.MenuItem;
     33 import org.eclipse.swt.widgets.Shell;
     34 import org.eclipse.swt.widgets.ToolItem;
     35 
     36 import java.util.List;
     37 
     38 /**
     39  * The {@linkplain LocaleMenuListener} class is responsible for generating the locale
     40  * menu in the {@link ConfigurationChooser}.
     41  */
     42 class LocaleMenuListener extends SelectionAdapter {
     43     private static final int ACTION_SET_LOCALE = 1;
     44     private static final int ACTION_ADD_TRANSLATION = 2;
     45 
     46     private final ConfigurationChooser mConfigChooser;
     47     private final int mAction;
     48     private final Locale mLocale;
     49 
     50     LocaleMenuListener(
     51             @NonNull ConfigurationChooser configChooser,
     52             int action,
     53             @Nullable Locale locale) {
     54         mConfigChooser = configChooser;
     55         mAction = action;
     56         mLocale = locale;
     57     }
     58 
     59     @Override
     60     public void widgetSelected(SelectionEvent e) {
     61         switch (mAction) {
     62             case ACTION_SET_LOCALE: {
     63                 mConfigChooser.selectLocale(mLocale);
     64                 mConfigChooser.onLocaleChange();
     65                 break;
     66             }
     67             case ACTION_ADD_TRANSLATION: {
     68                 IProject project = mConfigChooser.getProject();
     69                 Shell shell = mConfigChooser.getShell();
     70                 AddTranslationDialog dialog = new AddTranslationDialog(shell, project);
     71                 dialog.open();
     72                 break;
     73             }
     74             default: assert false : mAction;
     75         }
     76     }
     77 
     78     static void show(final ConfigurationChooser chooser, ToolItem combo) {
     79         Menu menu = new Menu(chooser.getShell(), SWT.POP_UP);
     80         Configuration configuration = chooser.getConfiguration();
     81         List<Locale> locales = chooser.getLocaleList();
     82         Locale current = configuration.getLocale();
     83 
     84         for (Locale locale : locales) {
     85             String title = ConfigurationChooser.getLocaleLabel(chooser, locale, false);
     86             MenuItem item = new MenuItem(menu, SWT.CHECK);
     87             item.setText(title);
     88             Image image = locale.getFlagImage();
     89             item.setImage(image);
     90 
     91             boolean selected = current == locale;
     92             if (selected) {
     93                 item.setSelection(true);
     94             }
     95 
     96             LocaleMenuListener listener = new LocaleMenuListener(chooser, ACTION_SET_LOCALE,
     97                     locale);
     98             item.addSelectionListener(listener);
     99         }
    100 
    101         if (locales.size() > 1) {
    102             @SuppressWarnings("unused")
    103             MenuItem separator = new MenuItem(menu, SWT.SEPARATOR);
    104 
    105             ConfigurationMenuListener.addTogglePreviewModeAction(menu,
    106                     "Preview All Locales", chooser, RenderPreviewMode.LOCALES);
    107         }
    108 
    109         @SuppressWarnings("unused")
    110         MenuItem separator = new MenuItem(menu, SWT.SEPARATOR);
    111 
    112         MenuItem item = new MenuItem(menu, SWT.PUSH);
    113         item.setText("Add New Translation...");
    114         LocaleMenuListener listener = new LocaleMenuListener(chooser,
    115                 ACTION_ADD_TRANSLATION, null);
    116         item.addSelectionListener(listener);
    117 
    118         Rectangle bounds = combo.getBounds();
    119         Point location = new Point(bounds.x, bounds.y + bounds.height);
    120         location = combo.getParent().toDisplay(location);
    121         menu.setLocation(location.x, location.y);
    122         menu.setVisible(true);
    123     }
    124 }
    125