1 files changed, 127 insertions, 0 deletions
diff --git a/plugins/core/org.eclipse.papyrus.modelexplorer/src/org/eclipse/papyrus/modelexplorer/validation/ValidationTool.java b/plugins/core/org.eclipse.papyrus.modelexplorer/src/org/eclipse/papyrus/modelexplorer/validation/ValidationTool.java
new file mode 100644
index 00000000000..aa498a0a20a
--- /dev/null
+++ b/plugins/core/org.eclipse.papyrus.modelexplorer/src/org/eclipse/papyrus/modelexplorer/validation/ValidationTool.java
@@ -0,0 +1,127 @@
+/*****************************************************************************
+ * Copyright (c) 2010 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:
+ *  Ansgar Radermacher (CEA LIST) ansgar.radermacher@cea.fr - Initial API and implementation
+ *
+ *****************************************************************************/
+
+package org.eclipse.papyrus.modelexplorer.validation;
+
+import java.util.List;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EValidator;
+import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
+import org.eclipse.emf.edit.domain.EditingDomain;
+import org.eclipse.gmt.modisco.infra.browser.uicore.internal.model.LinkItem;
+import org.eclipse.papyrus.core.utils.ValidationUtils;
+
+public class ValidationTool {
+	
+	public ValidationTool (Object element) {
+		this.element = element;
+		eObject = (EObject) Platform.getAdapterManager().getAdapter(element, EObject.class);
+	}	
+
+	public ValidationTool (EObject eObject) {
+		this.eObject = eObject;
+	}	
+
+	public void tryChildIfEmpty() {
+		// element has no eObject. try parent
+		if (eObject == null) {
+			// TODO: is it possible to access the children in another way (without internal access?)
+			if (element instanceof LinkItem) {
+				List<EObject> items = ((LinkItem) element).getChildrenElements();
+				if (items.size() > 0) {
+					// element = items[0];
+					eObject = items.get(0);
+				}
+			}
+		}
+	}
+
+	public EObject getEObject () {
+		return eObject;
+	}
+	
+	public IMarker [] getMarkers () {
+		if (eObject != null) { 
+			if (eObject.eResource () != null) {
+				URI uri = eObject.eResource().getURI();
+				String platformResourceString = uri.toPlatformString(true);
+				IFile file = (platformResourceString != null ?
+				      ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(platformResourceString)) : null);
+				if (file != null) {
+					try {
+						// TODO: quite inefficient, since requested for each element (could cache markers, already done
+						// by findMarkers operation?)
+						return file.findMarkers(IMarker.PROBLEM, true, 0);
+					}
+					catch (CoreException e) {
+					}
+				}
+			}
+		}
+		return null;
+	}
+	
+	public EObject eObjectOfMarker (IMarker marker) {
+		if (eObject != null) {
+			domain = AdapterFactoryEditingDomain.getEditingDomainFor(eObject);
+			try {
+				if (marker.isSubtypeOf((EValidator.MARKER))) {
+					return ValidationUtils.eObjectFromMarkerOrMap (marker, null, domain);
+				}
+			}
+			catch (CoreException e) {
+				// only reason: marker does not exist
+			}
+		}
+		return null;
+	}
+	
+	/**
+	 * Delete all markers that refer to eObjects owned by the passed parentEObj
+	 * @param eObj
+	 */
+	public void deleteSubMarkers() {
+		for (IMarker marker : getMarkers ()) {
+			EObject eObjOfMarker = eObjectOfMarker (marker);
+			if (isContainedBy (eObjOfMarker, eObject)) {
+				try {
+					marker.delete ();
+				}
+				catch (CoreException e) {
+				}
+			}
+		}
+	}
+	
+	private boolean isContainedBy (EObject subEObj, EObject eObj) {
+		if (eObj == subEObj) return true;
+		else if (subEObj != null) {
+			return isContainedBy (subEObj.eContainer(), eObj);
+		}
+		// reached, if subEObj == null
+		return false;
+	}
+	
+	private Object element;
+	private EObject eObject;
+	private EditingDomain domain;
+}