1 files changed, 248 insertions, 113 deletions
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.extensionpoints.editors/src/org/eclipse/papyrus/extensionpoints/editors/utils/DirectEditorsUtil.java b/plugins/infra/gmfdiag/org.eclipse.papyrus.extensionpoints.editors/src/org/eclipse/papyrus/extensionpoints/editors/utils/DirectEditorsUtil.java
index e2659c4bfd4..dd020633f84 100644
--- a/plugins/infra/gmfdiag/org.eclipse.papyrus.extensionpoints.editors/src/org/eclipse/papyrus/extensionpoints/editors/utils/DirectEditorsUtil.java
+++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.extensionpoints.editors/src/org/eclipse/papyrus/extensionpoints/editors/utils/DirectEditorsUtil.java
@@ -1,113 +1,248 @@
-/*****************************************************************************
- * Copyright (c) 2008 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:
- *  Remi Schnekenburger (CEA LIST) Remi.Schnekenburger@cea.fr - Initial API and implementation
- *
- *****************************************************************************/
-
-package org.eclipse.papyrus.extensionpoints.editors.utils;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.eclipse.papyrus.extensionpoints.editors.configuration.DefaultDirectEditorConfiguration;
-import org.eclipse.papyrus.extensionpoints.editors.configuration.IDirectEditorConfiguration;
-import org.eclipse.papyrus.extensionpoints.editors.definition.DirectEditorExtensionPoint;
-
-/**
- *
- */
-public class DirectEditorsUtil {
-
-	/**
-	 * Finds a editor for specific language and object to edit type
-	 *
-	 * @param language
-	 *            the language to edit
-	 * @param objectToEdit
-	 *            the type of object to edit
-	 * @return the extension point proxy that manages this kind of editor
-	 */
-	public static IDirectEditorConfiguration findEditorConfiguration(String language, String objectToEdit) {
-		DirectEditorExtensionPoint[] extensionPoints = DirectEditorExtensionPoint.getDirectEditorConfigurations();
-		for (DirectEditorExtensionPoint directEditorExtensionPoint : extensionPoints) {
-			final String lang = directEditorExtensionPoint.getLanguage();
-			final String oToEdit = directEditorExtensionPoint.getObjectToEdit();
-			if (lang.equals(language) && oToEdit.equals(objectToEdit)) {
-				// extension point found!
-				return directEditorExtensionPoint.getDirectEditorConfiguration();
-			}
-		}
-		return new DefaultDirectEditorConfiguration();
-	}
-
-	/**
-	 * finds if an editor for specific language and object is available to edit type
-	 *
-	 * @param language
-	 *            the language to edit
-	 * @param objectToEdit
-	 *            the type of object to edit
-	 * @return <code>true</code> if an editor exists
-	 */
-	public static boolean hasSpecificEditorConfiguration(String language, String objectToEdit) {
-		DirectEditorExtensionPoint[] extensionPoints = DirectEditorExtensionPoint.getDirectEditorConfigurations();
-		for (DirectEditorExtensionPoint directEditorExtensionPoint : extensionPoints) {
-			final String lang = directEditorExtensionPoint.getLanguage();
-			final String oToEdit = directEditorExtensionPoint.getObjectToEdit();
-			if (lang.equals(language) && oToEdit.equals(objectToEdit)) {
-				// extension point found!
-				return true;
-			}
-		}
-		return false;
-	}
-
-	/**
-	 * finds if an editor for specific object is available to edit type
-	 *
-	 * @param language
-	 *            the language to edit
-	 * @param objectToEdit
-	 *            the type of object to edit
-	 * @return <code>true</code> if an editor exists
-	 */
-	public static boolean hasSpecificEditorConfiguration(String objectToEdit) {
-		DirectEditorExtensionPoint[] extensionPoints = DirectEditorExtensionPoint.getDirectEditorConfigurations();
-		for (DirectEditorExtensionPoint directEditorExtensionPoint : extensionPoints) {
-			final String oToEdit = directEditorExtensionPoint.getObjectToEdit();
-			if (oToEdit.equals(objectToEdit)) {
-				// extension point found!
-				return true;
-			}
-		}
-		return false;
-	}
-
-	/**
-	 * returns the list of languages that are available from extension points
-	 *
-	 * @return the list of languages that have an extended editor
-	 */
-	// @unused
-	public static List<String> getLanguages(String objectToEdit) {
-		List<String> languages = new ArrayList<String>();
-		DirectEditorExtensionPoint[] extensionPoints = DirectEditorExtensionPoint.getDirectEditorConfigurations();
-		for (DirectEditorExtensionPoint directEditorExtensionPoint : extensionPoints) {
-			if (objectToEdit == null || directEditorExtensionPoint.getObjectToEdit().equals(objectToEdit)) {
-				String lang = directEditorExtensionPoint.getLanguage();
-				if (!languages.contains(lang)) {
-					languages.add(lang);
-				}
-			}
-		}
-		return languages;
-	}
-}
+/*****************************************************************************
+ * Copyright (c) 2008 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:
+ *  Remi Schnekenburger (CEA LIST) Remi.Schnekenburger@cea.fr - Initial API and implementation
+ *
+ *****************************************************************************/
+
+package org.eclipse.papyrus.extensionpoints.editors.utils;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.papyrus.extensionpoints.editors.Activator;
+import org.eclipse.papyrus.extensionpoints.editors.configuration.DefaultDirectEditorConfiguration;
+import org.eclipse.papyrus.extensionpoints.editors.configuration.IDirectEditorConfiguration;
+import org.eclipse.papyrus.extensionpoints.editors.configuration.IDirectEditorConstraint;
+import org.eclipse.papyrus.extensionpoints.editors.definition.DirectEditorExtensionPoint;
+import org.eclipse.papyrus.extensionpoints.editors.definition.IDirectEditorExtensionPoint;
+
+public class DirectEditorsUtil {
+
+	/** The Constant UNKNOWN_PRIORITY. */
+	private static final int UNKNOWN_PRIORITY = 100;
+
+	/**
+	 * Finds a editor for specific language and object to edit type
+	 *
+	 * @param language
+	 *            the language to edit
+	 * @param objectToEdit
+	 *            the type of object to edit
+	 * @return the extension point proxy that manages this kind of editor
+	 *
+	 * @deprecated Use {@link #findEditorConfiguration(String language, EObject eObjectToEdit)} instead
+	 */
+	@Deprecated
+	public static IDirectEditorConfiguration findEditorConfiguration(String language, String objectToEdit) {
+		IDirectEditorExtensionPoint[] extensionPoints = DirectEditorExtensionPoint.getDirectEditorConfigurations();
+		for (IDirectEditorExtensionPoint directEditorExtensionPoint : extensionPoints) {
+			final String lang = directEditorExtensionPoint.getLanguage();
+			final String oToEdit = directEditorExtensionPoint.getObjectToEdit();
+			if (lang.equals(language) && oToEdit.equals(objectToEdit)) {
+				// extension point found!
+				return directEditorExtensionPoint.getDirectEditorConfiguration();
+			}
+		}
+		return new DefaultDirectEditorConfiguration();
+	}
+
+	/**
+	 * Finds a editor for specific language and object to edit type
+	 *
+	 * @param language
+	 *            the language to edit
+	 * @param semanticObjectToEdit
+	 *            the semantic object to edit
+	 * @param selectedElement
+	 *            The real selected element (e.g. widget, edit part, ...)
+	 * @return the extension point proxy that manages this kind of editor
+	 */
+	public static IDirectEditorConfiguration findEditorConfiguration(String language, Object semanticObjectToEdit, Object selectedElement) {
+		IDirectEditorExtensionPoint[] extensionPoints = DirectEditorExtensionPoint.getDirectEditorConfigurations();
+		IDirectEditorConfiguration editorConfiguration = new DefaultDirectEditorConfiguration();
+		int configurationPriority = UNKNOWN_PRIORITY;
+		for (IDirectEditorExtensionPoint directEditorExtensionPoint : extensionPoints) {
+			final String lang = directEditorExtensionPoint.getLanguage();
+			final Class<? extends EObject> classToEdit = directEditorExtensionPoint.getObjectClassToEdit();
+			if (lang.equals(language) && classToEdit.isInstance(semanticObjectToEdit)) {
+				IDirectEditorConstraint constraint = directEditorExtensionPoint.getAdditionalConstraint();
+				if ((constraint == null || constraint.appliesTo(selectedElement)) && directEditorExtensionPoint.getPriority() < configurationPriority) {
+					// extension point found!
+					editorConfiguration = directEditorExtensionPoint.getDirectEditorConfiguration();
+					configurationPriority = directEditorExtensionPoint.getPriority();
+				}
+			}
+		}
+		return editorConfiguration;
+	}
+
+	/**
+	 * finds if an editor for specific language and object is available to edit type
+	 *
+	 * @param language
+	 *            the language to edit
+	 * @param objectToEdit
+	 *            the object to edit
+	 * @return <code>true</code> if an editor exists
+	 *
+	 * @deprecated Use {@link #hasSpecificEditorConfiguration(String language, EObject eObjectToEdit)} instead
+	 */
+	@Deprecated
+	public static boolean hasSpecificEditorConfiguration(String language, String objectToEdit) {
+		IDirectEditorExtensionPoint[] extensionPoints = DirectEditorExtensionPoint.getDirectEditorConfigurations();
+		for (IDirectEditorExtensionPoint directEditorExtensionPoint : extensionPoints) {
+			final String lang = directEditorExtensionPoint.getLanguage();
+			final String oToEdit = directEditorExtensionPoint.getObjectToEdit();
+			if (lang.equals(language) && oToEdit.equals(objectToEdit)) {
+				// extension point found!
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * finds if an editor for specific language and object is available to edit type
+	 *
+	 * @param language
+	 *            the language to edit
+	 * @param semanticObjectToEdit
+	 *            the semantic object to edit
+	 * @param selectedElement
+	 *            The real selected element (e.g. widget, edit part, ...)
+	 * @return <code>true</code> if an editor exists
+	 */
+	public static boolean hasSpecificEditorConfiguration(String language, Object semanticObjectToEdit, Object selectedElement) {
+		IDirectEditorExtensionPoint[] extensionPoints = DirectEditorExtensionPoint.getDirectEditorConfigurations();
+		for (IDirectEditorExtensionPoint directEditorExtensionPoint : extensionPoints) {
+			final String lang = directEditorExtensionPoint.getLanguage();
+			final Class<? extends EObject> classToEdit = directEditorExtensionPoint.getObjectClassToEdit();
+			if (lang.equals(language) && classToEdit.isInstance(semanticObjectToEdit)) {
+				IDirectEditorConstraint constraint = directEditorExtensionPoint.getAdditionalConstraint();
+				if (constraint == null || constraint.appliesTo(selectedElement)) {
+					// extension point found!
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * finds if an editor for specific object is available to edit type
+	 *
+	 * @param language
+	 *            the language to edit
+	 * @param objectToEdit
+	 *            the type of object to edit
+	 * @return <code>true</code> if an editor exists
+	 *
+	 * @deprecated Use {@link #hasSpecificEditorConfiguration(EObject)} instead
+	 */
+	@Deprecated
+	public static boolean hasSpecificEditorConfiguration(String objectToEdit) {
+		IDirectEditorExtensionPoint[] extensionPoints = DirectEditorExtensionPoint.getDirectEditorConfigurations();
+		for (IDirectEditorExtensionPoint directEditorExtensionPoint : extensionPoints) {
+			final String oToEdit = directEditorExtensionPoint.getObjectToEdit();
+			if (oToEdit.equals(objectToEdit)) {
+				// extension point found!
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * finds if an editor for specific object is available to edit type
+	 *
+	 * @param language
+	 *            the language to edit
+	 * @param semanticObjectToEdit
+	 *            the semantic object to edit
+	 * @param selectedElement
+	 *            The real selected element (e.g. widget, edit part, ...)
+	 * @return <code>true</code> if an editor exists
+	 */
+	public static boolean hasSpecificEditorConfiguration(Object semanticObjectToEdit, Object selectedElement) {
+		IDirectEditorExtensionPoint[] extensionPoints = DirectEditorExtensionPoint.getDirectEditorConfigurations();
+		for (IDirectEditorExtensionPoint directEditorExtensionPoint : extensionPoints) {
+			final Class<? extends EObject> classToEdit = directEditorExtensionPoint.getObjectClassToEdit();
+			if (classToEdit.isInstance(semanticObjectToEdit)) {
+				IDirectEditorConstraint constraint = directEditorExtensionPoint.getAdditionalConstraint();
+				if (constraint == null || constraint.appliesTo(selectedElement)) {
+					// extension point found!
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Retrieves the preferred editor configuration for the specified type
+	 *
+	 * @param class_
+	 *            the type of element to edit
+	 * @return the preferred editor configuration for the specified type or <code>null</code>
+	 */
+	public static IDirectEditorExtensionPoint getDefautDirectEditorConfiguration(Object semanticObjectToEdit, Object selectedObject) {
+		// retrieves preference for this element
+		String language = Activator.getDefault().getPreferenceStore().getString(IDirectEditorsIds.EDITOR_FOR_ELEMENT + semanticObjectToEdit.getClass().asSubclass(EObject.class));
+		if (language == null || IDirectEditorsIds.SIMPLE_DIRECT_EDITOR.equals(language)) {
+			return null;
+		}
+		IDirectEditorExtensionPoint currentConfiguration = null;
+		int currentPriority = UNKNOWN_PRIORITY;
+		Collection<IDirectEditorExtensionPoint> configs = getDirectEditorConfigurations(semanticObjectToEdit, selectedObject);
+
+		for (IDirectEditorExtensionPoint extensionPoint : configs) {
+			if (language.equals(extensionPoint.getLanguage()) && extensionPoint.getPriority() < currentPriority) {
+				currentConfiguration = extensionPoint;
+				currentPriority = extensionPoint.getPriority();
+			}
+		}
+
+		return currentConfiguration;
+	}
+
+	/**
+	 * Returns the set of transformations registered in the platform for the specified kind of
+	 * element
+	 *
+	 * @param the
+	 *            type of element to be edited
+	 * @return the set of transformations registered in the platform for the specified kind of
+	 *         element
+	 */
+	public static Collection<IDirectEditorExtensionPoint> getDirectEditorConfigurations(Object semanticObjectToEdit, Object selectedObject) {
+		// list of configuration to be returned. They correspond to
+		// configuration to edit the
+		// specified type
+		final List<IDirectEditorExtensionPoint> elementConfigurations = new ArrayList<IDirectEditorExtensionPoint>();
+
+		// check each configuration in the platform and select corresponding
+		// ones.
+		for (IDirectEditorExtensionPoint configuration : DirectEditorExtensionPoint.getDirectEditorConfigurations()) {
+			// both class are compatibles ?
+			if (configuration.getObjectClassToEdit() != null) {
+				if (configuration.getObjectClassToEdit().isInstance(semanticObjectToEdit)) {
+					IDirectEditorConstraint constraint = configuration.getAdditionalConstraint();
+					if (constraint == null || constraint.appliesTo(selectedObject))
+						elementConfigurations.add(configuration);
+				}
+			}
+		}
+		return elementConfigurations;
+	}
+
+}