1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / ui / preferences / MembersOrderPreferenceCache.java
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/preferences/MembersOrderPreferenceCache.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/preferences/MembersOrderPreferenceCache.java
new file mode 100644 (file)
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+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.ui.preferences;
+
+import java.util.StringTokenizer;
+
+import net.sourceforge.phpdt.core.Flags;
+import net.sourceforge.phpdt.ui.PreferenceConstants;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.util.IPropertyChangeListener;
+import org.eclipse.jface.util.PropertyChangeEvent;
+
+/**
+ */
+public class MembersOrderPreferenceCache implements IPropertyChangeListener {
+
+       public static final int TYPE_INDEX = 0;
+
+       public static final int CONSTRUCTORS_INDEX = 1;
+
+       public static final int METHOD_INDEX = 2;
+
+       public static final int FIELDS_INDEX = 3;
+
+       public static final int INIT_INDEX = 4;
+
+       public static final int STATIC_FIELDS_INDEX = 5;
+
+       public static final int STATIC_INIT_INDEX = 6;
+
+       public static final int STATIC_METHODS_INDEX = 7;
+
+       public static final int N_CATEGORIES = STATIC_METHODS_INDEX + 1;
+
+       private static final int PUBLIC_INDEX = 0;
+
+       private static final int PRIVATE_INDEX = 1;
+
+       private static final int PROTECTED_INDEX = 2;
+
+       private static final int DEFAULT_INDEX = 3;
+
+       private static final int N_VISIBILITIES = DEFAULT_INDEX + 1;
+
+       private int[] fCategoryOffsets = null;
+
+       private boolean fSortByVisibility;
+
+       private int[] fVisibilityOffsets = null;
+
+       public MembersOrderPreferenceCache() {
+               fCategoryOffsets = null;
+               fSortByVisibility = PreferenceConstants
+                               .getPreferenceStore()
+                               .getBoolean(
+                                               PreferenceConstants.APPEARANCE_ENABLE_VISIBILITY_SORT_ORDER);
+               fVisibilityOffsets = null;
+       }
+
+       public static boolean isMemberOrderProperty(String property) {
+               return PreferenceConstants.APPEARANCE_MEMBER_SORT_ORDER
+                               .equals(property)
+                               || PreferenceConstants.APPEARANCE_VISIBILITY_SORT_ORDER
+                                               .equals(property)
+                               || PreferenceConstants.APPEARANCE_ENABLE_VISIBILITY_SORT_ORDER
+                                               .equals(property);
+       }
+
+       public void propertyChange(PropertyChangeEvent event) {
+               String property = event.getProperty();
+
+               if (PreferenceConstants.APPEARANCE_MEMBER_SORT_ORDER.equals(property)) {
+                       fCategoryOffsets = null;
+               } else if (PreferenceConstants.APPEARANCE_VISIBILITY_SORT_ORDER
+                               .equals(property)) {
+                       fVisibilityOffsets = null;
+               } else if (PreferenceConstants.APPEARANCE_ENABLE_VISIBILITY_SORT_ORDER
+                               .equals(property)) {
+                       fSortByVisibility = PreferenceConstants
+                                       .getPreferenceStore()
+                                       .getBoolean(
+                                                       PreferenceConstants.APPEARANCE_ENABLE_VISIBILITY_SORT_ORDER);
+               }
+       }
+
+       public int getCategoryIndex(int kind) {
+               if (fCategoryOffsets == null) {
+                       fCategoryOffsets = getCategoryOffsets();
+               }
+               return fCategoryOffsets[kind];
+       }
+
+       private int[] getCategoryOffsets() {
+               int[] offsets = new int[N_CATEGORIES];
+               IPreferenceStore store = PreferenceConstants.getPreferenceStore();
+               String key = PreferenceConstants.APPEARANCE_MEMBER_SORT_ORDER;
+               boolean success = fillCategoryOffsetsFromPreferenceString(store
+                               .getString(key), offsets);
+               if (!success) {
+                       store.setToDefault(key);
+                       fillCategoryOffsetsFromPreferenceString(
+                                       store.getDefaultString(key), offsets);
+               }
+               return offsets;
+       }
+
+       private boolean fillCategoryOffsetsFromPreferenceString(String str,
+                       int[] offsets) {
+               StringTokenizer tokenizer = new StringTokenizer(str, ","); //$NON-NLS-1$
+               int i = 0;
+               while (tokenizer.hasMoreTokens()) {
+                       String token = tokenizer.nextToken().trim();
+                       if ("T".equals(token)) { //$NON-NLS-1$
+                               offsets[TYPE_INDEX] = i++;
+                       } else if ("M".equals(token)) { //$NON-NLS-1$
+                               offsets[METHOD_INDEX] = i++;
+                       } else if ("F".equals(token)) { //$NON-NLS-1$
+                               offsets[FIELDS_INDEX] = i++;
+                       } else if ("I".equals(token)) { //$NON-NLS-1$
+                               offsets[INIT_INDEX] = i++;
+                       } else if ("SF".equals(token)) { //$NON-NLS-1$
+                               offsets[STATIC_FIELDS_INDEX] = i++;
+                       } else if ("SI".equals(token)) { //$NON-NLS-1$
+                               offsets[STATIC_INIT_INDEX] = i++;
+                       } else if ("SM".equals(token)) { //$NON-NLS-1$
+                               offsets[STATIC_METHODS_INDEX] = i++;
+                       } else if ("C".equals(token)) { //$NON-NLS-1$
+                               offsets[CONSTRUCTORS_INDEX] = i++;
+                       }
+               }
+               return i == N_CATEGORIES;
+       }
+
+       public boolean isSortByVisibility() {
+               return fSortByVisibility;
+       }
+
+       public int getVisibilityIndex(int modifierFlags) {
+               if (fVisibilityOffsets == null) {
+                       fVisibilityOffsets = getVisibilityOffsets();
+               }
+               int kind = DEFAULT_INDEX;
+               if (Flags.isPublic(modifierFlags)) {
+                       kind = PUBLIC_INDEX;
+               } else if (Flags.isProtected(modifierFlags)) {
+                       kind = PROTECTED_INDEX;
+               } else if (Flags.isPrivate(modifierFlags)) {
+                       kind = PRIVATE_INDEX;
+               }
+
+               return fVisibilityOffsets[kind];
+       }
+
+       private int[] getVisibilityOffsets() {
+               int[] offsets = new int[N_VISIBILITIES];
+               IPreferenceStore store = PreferenceConstants.getPreferenceStore();
+               String key = PreferenceConstants.APPEARANCE_VISIBILITY_SORT_ORDER;
+               boolean success = fillVisibilityOffsetsFromPreferenceString(store
+                               .getString(key), offsets);
+               if (!success) {
+                       store.setToDefault(key);
+                       fillVisibilityOffsetsFromPreferenceString(store
+                                       .getDefaultString(key), offsets);
+               }
+               return offsets;
+       }
+
+       private boolean fillVisibilityOffsetsFromPreferenceString(String str,
+                       int[] offsets) {
+               StringTokenizer tokenizer = new StringTokenizer(str, ","); //$NON-NLS-1$
+               int i = 0;
+               while (tokenizer.hasMoreTokens()) {
+                       String token = tokenizer.nextToken().trim();
+                       if ("B".equals(token)) { //$NON-NLS-1$
+                               offsets[PUBLIC_INDEX] = i++;
+                       } else if ("V".equals(token)) { //$NON-NLS-1$
+                               offsets[PRIVATE_INDEX] = i++;
+                       } else if ("R".equals(token)) { //$NON-NLS-1$
+                               offsets[PROTECTED_INDEX] = i++;
+                       } else if ("D".equals(token)) { //$NON-NLS-1$
+                               offsets[DEFAULT_INDEX] = i++;
+                       }
+               }
+               return i == N_VISIBILITIES;
+       }
+
+}