refactory: added UI removed from core plugin.

[phpeclipse.git] / net.sourceforge.phpeclipse.ui / src / net / sourceforge / phpdt / internal / ui / filters / NamePatternFilter.java

diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/filters/NamePatternFilter.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/filters/NamePatternFilter.java
new file mode 100644 (file)
index 0000000..f1dc30a
--- /dev/null
+++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/filters/NamePatternFilter.java
@@ -0,0 +1,96 @@
+/*******************************************************************************
+ * 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.filters;
+
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.internal.ui.util.StringMatcher;
+
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerFilter;
+
+/**
+ * The NamePatternFilter selects the elements which match the given string
+ * patterns.
+ * <p>
+ * The following characters have special meaning: ? => any character * => any
+ * string
+ * </p>
+ * 
+ * @since 2.0
+ */
+public class NamePatternFilter extends ViewerFilter {
+       private String[] fPatterns;
+
+       private StringMatcher[] fMatchers;
+
+       /**
+        * Return the currently configured StringMatchers.
+        */
+       private StringMatcher[] getMatchers() {
+               return fMatchers;
+       }
+
+       /**
+        * Gets the patterns for the receiver.
+        */
+       public String[] getPatterns() {
+               return fPatterns;
+       }
+
+       /*
+        * (non-Javadoc) Method declared on ViewerFilter.
+        */
+       public boolean select(Viewer viewer, Object parentElement, Object element) {
+               String matchName = null;
+               if (element instanceof IJavaElement) {
+                       matchName = ((IJavaElement) element).getElementName();
+               } else if (element instanceof IAdaptable) {
+                       IAdaptable adaptable = (IAdaptable) element;
+                       IJavaElement javaElement = (IJavaElement) adaptable
+                                       .getAdapter(IJavaElement.class);
+                       if (javaElement != null)
+                               matchName = javaElement.getElementName();
+                       else {
+                               IResource resource = (IResource) adaptable
+                                               .getAdapter(IResource.class);
+                               if (resource != null)
+                                       matchName = resource.getName();
+                       }
+               }
+               if (matchName != null) {
+                       StringMatcher[] testMatchers = getMatchers();
+                       for (int i = 0; i < testMatchers.length; i++) {
+                               if (testMatchers[i].match(matchName))
+                                       return false;
+                       }
+                       return true;
+               }
+               return true;
+       }
+
+       /**
+        * Sets the patterns to filter out for the receiver.
+        * <p>
+        * The following characters have special meaning: ? => any character * =>
+        * any string
+        * </p>
+        */
+       public void setPatterns(String[] newPatterns) {
+               fPatterns = newPatterns;
+               fMatchers = new StringMatcher[newPatterns.length];
+               for (int i = 0; i < newPatterns.length; i++) {
+                       // Reset the matchers to prevent constructor overhead
+                       fMatchers[i] = new StringMatcher(newPatterns[i], true, false);
+               }
+       }
+}