1 files changed, 121 insertions, 0 deletions
diff --git a/plugins/customization/org.eclipse.papyrus.customization.properties/src/org/eclipse/papyrus/customization/properties/editor/ViewFilter.java b/plugins/customization/org.eclipse.papyrus.customization.properties/src/org/eclipse/papyrus/customization/properties/editor/ViewFilter.java
new file mode 100644
index 00000000000..f8ef8b7a82c
--- /dev/null
+++ b/plugins/customization/org.eclipse.papyrus.customization.properties/src/org/eclipse/papyrus/customization/properties/editor/ViewFilter.java
@@ -0,0 +1,121 @@
+/*****************************************************************************
+ * Copyright (c) 2011 CEA LIST.
+ *    
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *  Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
+ *****************************************************************************/
+package org.eclipse.papyrus.customization.properties.editor;
+
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerFilter;
+import org.eclipse.papyrus.views.properties.contexts.DataContextElement;
+import org.eclipse.papyrus.views.properties.contexts.DataContextPackage;
+import org.eclipse.papyrus.views.properties.contexts.View;
+import org.eclipse.ui.internal.misc.StringMatcher;
+
+/**
+ * A Filter for the UIEditor. The Filter can match Views and DataContextElements
+ * An object is matched if it directly matches the filter, or if one of its parents
+ * match it, or if one of his children (at any level) match it.
+ * 
+ * @author Camille Letavernier
+ */
+public class ViewFilter extends ViewerFilter {
+
+	private StringMatcher matcher;
+
+	/**
+	 * Sets the pattern for this filter
+	 * 
+	 * @param pattern
+	 */
+	public void setPattern(String pattern) {
+		matcher = new StringMatcher("*" + pattern + "*", true, false); //$NON-NLS-1$ //$NON-NLS-2$
+	}
+
+	@Override
+	public boolean select(Viewer viewer, Object parentElement, Object element) {
+		if(matcher == null) {
+			return true;
+		}
+
+		if(element instanceof IAdaptable) {
+			EObject eObject = (EObject)((IAdaptable)element).getAdapter(EObject.class);
+			if(eObject != null) {
+				if(eObject instanceof View) {
+					String viewName = ((View)eObject).getName();
+					if(viewName == null) {
+						return true;
+					}
+					return matcher.match(viewName);
+				} else if(eObject instanceof DataContextPackage) {
+					//FIXME : Le filtre ne fonctionne pas correctement pour afficher un DCElement dans un Package
+					return select((DataContextPackage)eObject);
+				} else if(eObject instanceof DataContextElement) {
+					return select((DataContextElement)eObject);
+				}
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * An element is displayed if its name matches the filter, or if one of its
+	 * children's or parent's name match it
+	 * 
+	 * @param dataContextPackage
+	 * @return
+	 */
+	private boolean select(DataContextPackage dataContextPackage) {
+		if(dataContextPackage.getName() == null) {
+			return true;
+		}
+
+		if(matcher.match(dataContextPackage.getName())) {
+			return true;
+		}
+
+		for(DataContextElement subElement : dataContextPackage.getElements()) {
+			if(subElement instanceof DataContextPackage) {
+				if(select((DataContextPackage)subElement)) {
+					return true;
+				}
+			}
+
+			if(select(subElement)) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	private boolean select(DataContextElement dataContextElement) {
+		if(dataContextElement.getName() == null) {
+			return true;
+		}
+
+		if(matcher.match(dataContextElement.getName())) {
+			return true;
+		}
+
+		DataContextPackage dataContextPackage = dataContextElement.getPackage();
+		while(dataContextPackage != null) {
+			if(matcher.match(dataContextPackage.getName())) {
+				return true;
+			}
+
+			dataContextPackage = dataContextPackage.getPackage();
+		}
+
+		return false;
+	}
+}