org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/preferences/WindowCachePreferencePage.java

   1 /*******************************************************************************
   2  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
   3  *
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *******************************************************************************/
   9 package org.eclipse.egit.ui.internal.preferences;
  10
  11 import org.eclipse.egit.core.Activator;
  12 import org.eclipse.egit.core.GitCorePreferences;
  13 import org.eclipse.egit.core.project.GitProjectData;
  14 import org.eclipse.egit.ui.UIText;
  15 import org.eclipse.jface.preference.BooleanFieldEditor;
  16 import org.eclipse.jface.preference.FieldEditorPreferencePage;
  17 import org.eclipse.ui.IWorkbench;
  18 import org.eclipse.ui.IWorkbenchPreferencePage;
  19
  20 /** Preferences for our window cache. */
  21 public class WindowCachePreferencePage extends FieldEditorPreferencePage
  22                 implements IWorkbenchPreferencePage {
  23         private static final int MB = 1024 * 1024;
  24
  25         private static final int GB = 1024 * MB;
  26
  27         /** */
  28         public WindowCachePreferencePage() {
  29                 super(GRID);
  30                 setTitle(UIText.WindowCachePreferencePage_title);
  31                 setPreferenceStore(Activator.getDefault().getPreferenceStore());
  32         }
  33
  34         @Override
  35         protected void createFieldEditors() {
  36                 addField(new StorageSizeFieldEditor(
  37                                 GitCorePreferences.core_packedGitWindowSize,
  38                                 UIText.WindowCachePreferencePage_packedGitWindowSize,
  39                                 getFieldEditorParent(), 512, 128 * MB) {
  40                         protected boolean checkValue(final int number) {
  41                                 return super.checkValue(number)
  42                                                 && Integer.bitCount(number) == 1;
  43                         }
  44                 });
  45
  46                 addField(new StorageSizeFieldEditor(
  47                                 GitCorePreferences.core_packedGitLimit,
  48                                 UIText.WindowCachePreferencePage_packedGitLimit,
  49                                 getFieldEditorParent(), 512, 1 * GB));
  50                 addField(new StorageSizeFieldEditor(
  51                                 GitCorePreferences.core_deltaBaseCacheLimit,
  52                                 UIText.WindowCachePreferencePage_deltaBaseCacheLimit,
  53                                 getFieldEditorParent(), 512, 1 * GB));
  54
  55                 addField(new BooleanFieldEditor(GitCorePreferences.core_packedGitMMAP,
  56                                 UIText.WindowCachePreferencePage_packedGitMMAP,
  57                                 getFieldEditorParent()));
  58         }
  59
  60         public boolean performOk() {
  61                 Activator.getDefault().savePluginPreferences();
  62                 GitProjectData.reconfigureWindowCache();
  63                 return super.performOk();
  64         }
  65
  66         public void init(IWorkbench workbench) {
  67                 // Nothing to do
  68         }
  69 }