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 / viewsupport / MemberFilter.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/viewsupport/MemberFilter.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/viewsupport/MemberFilter.java
new file mode 100644 (file)
index 0000000..4352cc8
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/viewsupport/MemberFilter.java
@@ -0,0 +1,114 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 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.viewsupport;
+
+import net.sourceforge.phpdt.core.Flags;
+import net.sourceforge.phpdt.core.IField;
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.core.IMember;
+import net.sourceforge.phpdt.core.IType;
+import net.sourceforge.phpdt.core.JavaModelException;
+
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerFilter;
+
+/**
+ * Filter for the methods viewer. Changing a filter property does not trigger a
+ * refiltering of the viewer
+ */
+public class MemberFilter extends ViewerFilter {
+
+       public static final int FILTER_NONPUBLIC = 1;
+
+       public static final int FILTER_STATIC = 2;
+
+       public static final int FILTER_FIELDS = 4;
+
+       private int fFilterProperties;
+
+       /**
+        * Modifies filter and add a property to filter for
+        */
+       public final void addFilter(int filter) {
+               fFilterProperties |= filter;
+       }
+
+       /**
+        * Modifies filter and remove a property to filter for
+        */
+       public final void removeFilter(int filter) {
+               fFilterProperties &= (-1 ^ filter);
+       }
+
+       /**
+        * Tests if a property is filtered
+        */
+       public final boolean hasFilter(int filter) {
+               return (fFilterProperties & filter) != 0;
+       }
+
+       /*
+        * @see ViewerFilter@isFilterProperty
+        */
+//     public boolean isFilterProperty(Object element, Object property) {
+//             return false;
+//     }
+
+       /*
+        * @see ViewerFilter@select
+        */
+       public boolean select(Viewer viewer, Object parentElement, Object element) {
+               try {
+                       if (hasFilter(FILTER_FIELDS) && element instanceof IField) {
+                               return false;
+                       }
+                       if (element instanceof IMember) {
+                               IMember member = (IMember) element;
+                               if (member.getElementName().startsWith("<")) { // filter out
+                                                                                                                               // <clinit>
+                                                                                                                               // //$NON-NLS-1$
+                                       return false;
+                               }
+                               int flags = member.getFlags();
+                               if (hasFilter(FILTER_STATIC)
+                                               && (Flags.isStatic(flags) || isFieldInInterface(member))
+                                               && member.getElementType() != IJavaElement.TYPE) {
+                                       return false;
+                               }
+                               if (hasFilter(FILTER_NONPUBLIC) && !Flags.isPublic(flags)
+                                               && !isMemberInInterface(member)
+                                               && !isTopLevelType(member)) {
+                                       return false;
+                               }
+                       }
+               } catch (JavaModelException e) {
+                       // ignore
+               }
+               return true;
+       }
+
+       private boolean isMemberInInterface(IMember member)
+                       throws JavaModelException {
+               IType parent = member.getDeclaringType();
+               return parent != null && parent.isInterface();
+       }
+
+       private boolean isFieldInInterface(IMember member)
+                       throws JavaModelException {
+               return (member.getElementType() == IJavaElement.FIELD)
+                               && member.getDeclaringType().isInterface();
+       }
+
+       private boolean isTopLevelType(IMember member) throws JavaModelException {
+               IType parent = member.getDeclaringType();
+               return parent == null;
+       }
+}