diff options
Diffstat (limited to 'plugins/infra/services/org.eclipse.papyrus.infra.services.resourceloading/src/org/eclipse/papyrus/infra/services/resourceloading/util/LoadingTester.java')
| -rw-r--r-- | plugins/infra/services/org.eclipse.papyrus.infra.services.resourceloading/src/org/eclipse/papyrus/infra/services/resourceloading/util/LoadingTester.java | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/plugins/infra/services/org.eclipse.papyrus.infra.services.resourceloading/src/org/eclipse/papyrus/infra/services/resourceloading/util/LoadingTester.java b/plugins/infra/services/org.eclipse.papyrus.infra.services.resourceloading/src/org/eclipse/papyrus/infra/services/resourceloading/util/LoadingTester.java new file mode 100644 index 00000000000..755898687f8 --- /dev/null +++ b/plugins/infra/services/org.eclipse.papyrus.infra.services.resourceloading/src/org/eclipse/papyrus/infra/services/resourceloading/util/LoadingTester.java @@ -0,0 +1,147 @@ +/*****************************************************************************
+ * Copyright (c) 2011 Atos.
+ *
+ *
+ * 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:
+ * Vincent Hemery (Atos) vincent.hemery@atos.net - Initial API and implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.services.resourceloading.util;
+
+import java.util.Iterator;
+
+import org.eclipse.core.expressions.PropertyTester;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
+import org.eclipse.gmf.runtime.notation.Edge;
+import org.eclipse.gmf.runtime.notation.View;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.papyrus.infra.core.resource.ModelSet;
+import org.eclipse.papyrus.infra.core.resource.notation.NotationUtils;
+
+/**
+ * This class provides test to perform on resources to know their loading status.
+ */
+public class LoadingTester extends PropertyTester {
+
+ /** property to test if the selected elements are in loaded resources (at least one other than the opened one) */
+ public static final String IS_ALL_LOADED = "isAllLoaded"; //$NON-NLS-1$
+
+ /** property to test if the selected elements are in not loaded resources */
+ public static final String IS_ALL_NOTLOADED = "isAllNotLoaded"; //$NON-NLS-1$
+
+ /**
+ * Test a property
+ *
+ * @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Object)
+ *
+ * @param receiver
+ * @param property
+ * @param args
+ * @param expectedValue
+ * @return
+ */
+ public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
+ if(IS_ALL_LOADED.equals(property) && receiver instanceof IStructuredSelection) {
+ boolean answer = isInLoadedResource((IStructuredSelection)receiver);
+ return new Boolean(answer).equals(expectedValue);
+ }
+ if(IS_ALL_NOTLOADED.equals(property) && receiver instanceof IStructuredSelection) {
+ boolean answer = isInNotLoadedResource((IStructuredSelection)receiver);
+ return new Boolean(answer).equals(expectedValue);
+ }
+ return false;
+ }
+
+ /**
+ * Tests the selection in order to know if it is in a loaded resource
+ *
+ * @param selection
+ * selected elements
+ * @return <code>true</code> if all selected elements are in loaded resources ; <code>false</code otherwise or if empty selection
+ */
+ private boolean isInLoadedResource(IStructuredSelection selection) {
+ if(!selection.isEmpty()) {
+ boolean atLeastOneInSubmodel = false;
+ URI mainURI = null;
+ Iterator<?> iter = selection.iterator();
+ while(iter.hasNext()) {
+ Object obj = iter.next();
+ if(obj instanceof IAdaptable) {
+ View view = (View)((IAdaptable)obj).getAdapter(View.class);
+ EObject eObject;
+ if(view != null) {
+ eObject = view.getElement();
+ } else {
+ eObject = (EObject)((IAdaptable)obj).getAdapter(EObject.class);
+ }
+ if(eObject != null && !eObject.eIsProxy()) {
+ // test that there is at least one not loaded resource object
+ if(!atLeastOneInSubmodel) {
+ Resource containingResource = eObject.eResource();
+ if(mainURI == null && containingResource != null && containingResource.getResourceSet() instanceof ModelSet) {
+ mainURI = NotationUtils.getNotationModel((ModelSet)containingResource.getResourceSet()).getResourceURI().trimFileExtension();
+ }
+ if(mainURI != null) {
+ URI uriTrim = containingResource.getURI().trimFileExtension();
+ atLeastOneInSubmodel = !uriTrim.equals(mainURI);
+ }
+ }
+ continue;
+ }
+ }
+ // a step failed
+ return false;
+ }
+ return atLeastOneInSubmodel;
+ }
+ return false;
+ }
+
+ /**
+ * Tests the selection in order to know if it is in a not loaded resource
+ *
+ * @param selection
+ * selected elements
+ * @return <code>true</code> if all selected elements are in not loaded resources ; <code>false</code otherwise or if empty selection
+ */
+ private boolean isInNotLoadedResource(IStructuredSelection selection) {
+ if(!selection.isEmpty()) {
+ Iterator<?> iter = selection.iterator();
+ while(iter.hasNext()) {
+ Object obj = iter.next();
+ if(obj instanceof IAdaptable) {
+ View view = (View)((IAdaptable)obj).getAdapter(View.class);
+ EObject eObject;
+ if(view != null) {
+ eObject = view.getElement();
+ } else {
+ eObject = (EObject)((IAdaptable)obj).getAdapter(EObject.class);
+ }
+ if(eObject != null && eObject.eIsProxy()) {
+ continue;
+ } else if(view instanceof Edge) {
+ View target = ((Edge)view).getTarget();
+ if(target != null && ViewUtil.resolveSemanticElement(target) == null) {
+ // there is a backslash decorator
+ continue;
+ }
+ }
+ }
+ // a step failed
+ return false;
+ }
+ return true;
+ }
+ return false;
+ }
+
+}
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