eclipse-capella#2913 Merge two commands to avoid refresh between them

This commit merges two commands for navigability state of association in CDB to avoid diagram refresh (and unwanted behaviour) between them. Signed-off-by: Séraphin Costa <[email protected]>
scosta-obeo · Nov 28, 2024 · 612cccc · 612cccc
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commit 612cccc
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diff --git a/...capella.common.ef/src/org/polarsys/capella/common/ef/command/AbstractCompoundCommand.java b/...capella.common.ef/src/org/polarsys/capella/common/ef/command/AbstractCompoundCommand.java
@@ -1,22 +1,23 @@
-/*******************************************************************************
- * Copyright (c) 2006, 2020 THALES GLOBAL SERVICES.
- * 
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License 2.0 which is available at
- * http://www.eclipse.org/legal/epl-2.0
- * 
- * SPDX-License-Identifier: EPL-2.0
- * 
- * Contributors:
- *    Thales - initial API and implementation
- *******************************************************************************/
+/*******************************************************************************
+ * Copyright (c) 2006, 2020 THALES GLOBAL SERVICES.
+ * 
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0
+ * 
+ * SPDX-License-Identifier: EPL-2.0
+ * 
+ * Contributors:
+ *    Thales - initial API and implementation
+ *******************************************************************************/
 
 package org.polarsys.capella.common.ef.command;
 
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Optional;
 
 import org.eclipse.core.runtime.Assert;
 
@@ -54,9 +55,21 @@ public void append(ICommand command) {
     _commands.add(command);
   }
 
+  /**
+   * Append specified optional command to this compound command's list of commands if this optional command is present.
+   * 
+   * @param command
+   *          the added command.
+   */
+  public void appendIfPresent(Optional<? extends ICommand> optCommand) {
+    optCommand.ifPresent(command -> _commands.add(command));
+  }
+
   /**
    * Prepend specified command to this compound command's list of commands.
-   * @param command the added command.
+   * 
+   * @param command
+   *          the added command.
    */
   public void prepend(ICommand command) {
     _commands.add(0, command);
@@ -91,6 +104,7 @@ public List<ICommand> getContainedCommands() {
   /**
    * @see org.polarsys.capella.common.ef.command.ICommand#isReadOnly()
    */
+  @Override
   public boolean isReadOnly() {
     boolean isReadOnly = true;
     // Iterate over contained commands to search one that is not a read only one.
@@ -105,6 +119,7 @@ public boolean isReadOnly() {
   /**
    * @see java.lang.Runnable#run()
    */
+  @Override
   public void run() {
     // Iterate over contained commands to run each contained command.
     for (ICommand command : _commands) {

diff --git a/...s/src/org/polarsys/capella/core/data/information/properties/fields/NavigableCheckbox.java b/...s/src/org/polarsys/capella/core/data/information/properties/fields/NavigableCheckbox.java
@@ -21,6 +21,7 @@
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;
 import org.polarsys.capella.common.data.modellingcore.ModellingcorePackage;
+import org.polarsys.capella.common.ef.command.AbstractCompoundCommand;
 import org.polarsys.capella.common.helpers.EObjectExt;
 import org.polarsys.capella.core.data.capellacore.CapellacorePackage;
 import org.polarsys.capella.core.data.capellacore.Classifier;
@@ -82,8 +83,12 @@ public void widgetSelected(SelectionEvent event) {
         if (oppositeMember != null) {
           EObject oppositeTypeElement = (EObject) oppositeMember.eGet(ModellingcorePackage.Literals.ABSTRACT_TYPED_ELEMENT__ABSTRACT_TYPE);
           if (oppositeTypeElement != null) {
-            moveDataValue(semanticElement, oppositeTypeElement, CapellacorePackage.Literals.CLASSIFIER__OWNED_FEATURES);
-            addDataValue(ownerElement, InformationPackage.Literals.ASSOCIATION__NAVIGABLE_MEMBERS, semanticElement);
+            AbstractCompoundCommand command = new AbstractCompoundCommand() {};
+            command.appendIfPresent(createMoveDataValueCommand(semanticElement, oppositeTypeElement,
+                CapellacorePackage.Literals.CLASSIFIER__OWNED_FEATURES));
+            command.appendIfPresent(createAddDataValueCommand(ownerElement,
+                InformationPackage.Literals.ASSOCIATION__NAVIGABLE_MEMBERS, semanticElement));
+            executeCommand(command);
           }
         }
       }
@@ -96,8 +101,12 @@ public void widgetSelected(SelectionEvent event) {
       }
 
       if ((typeElement instanceof Classifier) && (referencerElement instanceof Association)) {
-        moveDataValue(semanticElement, referencerElement, InformationPackage.Literals.ASSOCIATION__OWNED_MEMBERS);
-        removeDataValue(referencerElement, InformationPackage.Literals.ASSOCIATION__NAVIGABLE_MEMBERS, semanticElement);
+        AbstractCompoundCommand command = new AbstractCompoundCommand() {};
+        command.appendIfPresent(createMoveDataValueCommand(semanticElement, referencerElement,
+            InformationPackage.Literals.ASSOCIATION__OWNED_MEMBERS));
+        command.appendIfPresent(createRemoveDataValueCommand(referencerElement,
+            InformationPackage.Literals.ASSOCIATION__NAVIGABLE_MEMBERS, semanticElement));
+        executeCommand(command);
       }
     }
   }

diff --git a/....properties/src/org/polarsys/capella/core/ui/properties/fields/AbstractSemanticField.java b/....properties/src/org/polarsys/capella/core/ui/properties/fields/AbstractSemanticField.java
@@ -16,6 +16,7 @@
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
+import java.util.Optional;
 
 import org.eclipse.emf.ecore.EAttribute;
 import org.eclipse.emf.ecore.EDataType;
@@ -427,32 +428,42 @@ public void run() {
    * Add data value i.e change given object for given feature with specified value.
    * 
    * @param object
+   *          The EMF EObject to which you want to add the element.
    * @param feature
+   *          The multivalued feature of the EObject to which you want to add the element.
    * @param value
+   *          The value to add to the feature of the object.
+   * @return The command if available, <code>Optional.empty</code> otherwise
    */
-  protected void addDataValue(final EObject object, final EStructuralFeature feature, final Object value) {
+  protected Optional<AbstractReadWriteCommand> createAddDataValueCommand(final EObject object,
+      final EStructuralFeature feature, final Object value) {
     if (NotificationHelper.isNotificationRequired(object, feature, value)) {
-      AbstractReadWriteCommand command = new AbstractReadWriteCommand() {
+      return Optional.of(new AbstractReadWriteCommand() {
         @Override
         @SuppressWarnings({ "unchecked", "rawtypes" })
         public void run() {
           ((List) object.eGet(feature)).add(value);
         }
-      };
-      executeCommand(command);
+      });
+    } else {
+      return Optional.empty();
     }
   }
 
   /**
    * Move data value.
    * 
    * @param object
+   *          The object to move
    * @param owner
+   *          On which you want to move the object
    * @param feature
+   *          The owner feature in which you want to move the object.
    */
   @SuppressWarnings("unchecked")
-  protected void moveDataValue(final EObject object, final EObject owner, final EStructuralFeature feature) {
-    AbstractReadWriteCommand command = new AbstractReadWriteCommand() {
+  protected Optional<AbstractReadWriteCommand> createMoveDataValueCommand(final EObject object, final EObject owner,
+      final EStructuralFeature feature) {
+    return Optional.of(new AbstractReadWriteCommand() {
       @Override
       public void run() {
         if (feature.isMany()) {
@@ -461,20 +472,24 @@ public void run() {
           owner.eSet(feature, object);
         }
       }
-    };
-    executeCommand(command);
+    });
   }
 
   /**
    * Remove data value i.e change given object for given feature with specified value.
    * 
    * @param object
+   *          The EMF EObject to which you want to remove the element.
    * @param feature
+   *          The multivalued feature of the EObject to which you want to remove the element.
    * @param value
+   *          The value to remove to the feature of the object.
+   * @return The command if available, <code>Optional.empty</code> otherwise
    */
-  protected void removeDataValue(final EObject object, final EStructuralFeature feature, final Object value) {
+  protected Optional<AbstractReadWriteCommand> createRemoveDataValueCommand(final EObject object,
+      final EStructuralFeature feature, final Object value) {
     if (NotificationHelper.isNotificationRequired(object, feature, value)) {
-      AbstractReadWriteCommand command = new AbstractReadWriteCommand() {
+      return Optional.of(new AbstractReadWriteCommand() {
         @Override
         public void run() {
           if ((feature instanceof EReference) && ((EReference) feature).isContainment()) {
@@ -483,8 +498,9 @@ public void run() {
             ((List<?>) object.eGet(feature)).remove(value);
           }
         }
-      };
-      executeCommand(command);
+      });
+    } else {
+      return Optional.empty();
     }
   }