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Diffstat (limited to 'plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.properties/src/org/eclipse/papyrus/infra/gmfdiag/properties/provider/ModelContentProvider.java')
-rwxr-xr-xplugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.properties/src/org/eclipse/papyrus/infra/gmfdiag/properties/provider/ModelContentProvider.java78
1 files changed, 78 insertions, 0 deletions
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.properties/src/org/eclipse/papyrus/infra/gmfdiag/properties/provider/ModelContentProvider.java b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.properties/src/org/eclipse/papyrus/infra/gmfdiag/properties/provider/ModelContentProvider.java
new file mode 100755
index 00000000000..78e29021201
--- /dev/null
+++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.properties/src/org/eclipse/papyrus/infra/gmfdiag/properties/provider/ModelContentProvider.java
@@ -0,0 +1,78 @@
+/*****************************************************************************
+ * Copyright (c) 2013 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:
+ * Laurent Wouters laurent.wouters@cea.fr - Initial API and implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.gmfdiag.properties.provider;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.gmf.runtime.notation.Diagram;
+import org.eclipse.papyrus.infra.gmfdiag.common.utils.DiagramUtils;
+import org.eclipse.papyrus.infra.viewpoints.configuration.ui.ECoreModelContentProvider;
+import org.eclipse.papyrus.infra.viewpoints.policy.ViewPrototype;
+import org.eclipse.papyrus.infra.widgets.providers.IHierarchicContentProvider;
+import org.eclipse.papyrus.infra.widgets.providers.IStaticContentProvider;
+
+/**
+ * Represents a simple ECore model content provider for the selection of a diagram's root model element
+ * @author Laurent Wouters
+ */
+public abstract class ModelContentProvider extends ECoreModelContentProvider implements IStaticContentProvider, IHierarchicContentProvider {
+
+ /**
+ * The diagram
+ */
+ private Diagram diagram;
+
+ /**
+ * Initializes the provider with the given root
+ * @param diagram The diagram for which a root model element is to be provided
+ * @param root The root object
+ */
+ public ModelContentProvider(Diagram diagram, EObject root) {
+ super(root);
+ this.diagram = diagram;
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.papyrus.infra.widgets.providers.IStaticContentProvider#getElements()
+ */
+ public Object[] getElements() {
+ return getElements(null);
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.papyrus.infra.widgets.providers.IHierarchicContentProvider#isValidValue(java.lang.Object)
+ */
+ public boolean isValidValue(Object element) {
+ if (element == null)
+ return false;
+ if (!(element instanceof EObject))
+ return false;
+ ViewPrototype prototype = DiagramUtils.getPrototype(diagram);
+ if (prototype == null)
+ return false;
+ return isValid((EObject) element, diagram, prototype);
+ }
+
+ /**
+ * Determines whether the selection is valid
+ *
+ * @param selection
+ * The selection
+ * @param diagram
+ * The diagram
+ * @param prototype
+ * The diagram's prototype
+ * @return <code>true</code> if the selection is valid
+ */
+ protected abstract boolean isValid(EObject selection, Diagram diagram, ViewPrototype prototype);
+}

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