case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/preferences/formatter/FormatterTabPage.java

   1 /*******************************************************************************
   2  * Copyright (c) 2005, 2011 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package org.eclipse.jdt.internal.ui.preferences.formatter;
  12
  13 import java.util.Map;
  14
  15 import org.eclipse.swt.SWT;
  16 import org.eclipse.swt.events.SelectionAdapter;
  17 import org.eclipse.swt.events.SelectionEvent;
  18 import org.eclipse.swt.layout.GridData;
  19 import org.eclipse.swt.widgets.Button;
  20 import org.eclipse.swt.widgets.Composite;
  21
  22 import org.eclipse.jface.dialogs.IDialogSettings;
  23
  24 import org.eclipse.jdt.core.JavaCore;
  25 import org.eclipse.jdt.core.formatter.DefaultCodeFormatterConstants;
  26
  27 import org.eclipse.jdt.ui.JavaUI;
  28
  29 import org.eclipse.jdt.internal.ui.JavaPlugin;
  30
  31
  32 public abstract class FormatterTabPage extends ModifyDialogTabPage {
  33
  34         private final static String SHOW_INVISIBLE_PREFERENCE_KEY= JavaUI.ID_PLUGIN + ".formatter_page.show_invisible_characters"; //$NON-NLS-1$
  35
  36         /**
  37          * Constant array for boolean false/true selection.
  38          */
  39         protected static String[] FALSE_TRUE= { DefaultCodeFormatterConstants.FALSE, DefaultCodeFormatterConstants.TRUE };
  40
  41         /**
  42          * Constant array for boolean true/false selection.
  43          *
  44          * @since 3.5
  45          */
  46         protected static String[] TRUE_FALSE= { DefaultCodeFormatterConstants.TRUE, DefaultCodeFormatterConstants.FALSE };
  47
  48         /**
  49          * Constant array for insert / not_insert.
  50          */
  51         protected static String[] DO_NOT_INSERT_INSERT= { JavaCore.DO_NOT_INSERT, JavaCore.INSERT };
  52
  53         JavaPreview fPreview;
  54         private final IDialogSettings fDialogSettings;
  55         Button fShowInvisibleButton;
  56
  57         public FormatterTabPage(IModifyDialogTabPage.IModificationListener modifyListener, Map<String, String> workingValues) {
  58                 super(modifyListener, workingValues);
  59
  60                 fDialogSettings= JavaPlugin.getDefault().getDialogSettings();
  61         }
  62
  63         @Override
  64         protected Composite doCreatePreviewPane(Composite composite, int numColumns) {
  65
  66                 createLabel(numColumns - 1, composite, FormatterMessages.ModifyDialogTabPage_preview_label_text);
  67
  68                 fShowInvisibleButton= new Button(composite, SWT.CHECK);
  69                 fShowInvisibleButton.setText(FormatterMessages.FormatterTabPage_ShowInvisibleCharacters_label);
  70                 fShowInvisibleButton.setLayoutData(new GridData(SWT.RIGHT, SWT.TOP, true, false));
  71                 fShowInvisibleButton.addSelectionListener(new SelectionAdapter() {
  72                         @Override
  73                         public void widgetSelected(SelectionEvent e) {
  74                                 fPreview.showInvisibleCharacters(fShowInvisibleButton.getSelection());
  75                                 fDialogSettings.put(SHOW_INVISIBLE_PREFERENCE_KEY, fShowInvisibleButton.getSelection());
  76                                 doUpdatePreview();
  77                         }
  78                 });
  79                 fShowInvisibleButton.setSelection(isShowInvisible());
  80
  81                 fPreview= doCreateJavaPreview(composite);
  82                 fPreview.generated_2189189448780544534(this);
  83
  84                 final GridData gd= createGridData(numColumns, GridData.FILL_BOTH, 0);
  85                 gd.widthHint= 0;
  86                 gd.heightHint=0;
  87                 fPreview.getControl().setLayoutData(gd);
  88
  89                 return composite;
  90         }
  91
  92         private boolean isShowInvisible() {
  93                 return fDialogSettings.getBoolean(SHOW_INVISIBLE_PREFERENCE_KEY);
  94         }
  95
  96         @Override
  97         protected void doUpdatePreview() {
  98                 boolean showInvisible= isShowInvisible();
  99                 fPreview.showInvisibleCharacters(showInvisible);
 100                 fShowInvisibleButton.setSelection(showInvisible);
 101         }
 102
 103 }