diff options
Diffstat (limited to 'plugins/customization/org.eclipse.papyrus.customization.properties/src/org/eclipse/papyrus/customization/properties/modelelement/GenericAttributeObservable.java')
| -rw-r--r-- | plugins/customization/org.eclipse.papyrus.customization.properties/src/org/eclipse/papyrus/customization/properties/modelelement/GenericAttributeObservable.java | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/plugins/customization/org.eclipse.papyrus.customization.properties/src/org/eclipse/papyrus/customization/properties/modelelement/GenericAttributeObservable.java b/plugins/customization/org.eclipse.papyrus.customization.properties/src/org/eclipse/papyrus/customization/properties/modelelement/GenericAttributeObservable.java deleted file mode 100644 index 7af07b75af8..00000000000 --- a/plugins/customization/org.eclipse.papyrus.customization.properties/src/org/eclipse/papyrus/customization/properties/modelelement/GenericAttributeObservable.java +++ /dev/null @@ -1,197 +0,0 @@ -/*****************************************************************************
- * 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:
- * Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
- *****************************************************************************/
-package org.eclipse.papyrus.customization.properties.modelelement;
-
-import org.eclipse.core.databinding.observable.value.AbstractObservableValue;
-import org.eclipse.core.databinding.observable.value.ValueDiff;
-import org.eclipse.emf.common.command.CompoundCommand;
-import org.eclipse.emf.common.util.EList;
-import org.eclipse.emf.ecore.EClass;
-import org.eclipse.emf.ecore.EFactory;
-import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.ecore.EStructuralFeature;
-import org.eclipse.emf.edit.command.CreateChildCommand;
-import org.eclipse.emf.edit.command.RemoveCommand;
-import org.eclipse.emf.edit.command.SetCommand;
-import org.eclipse.emf.edit.domain.EditingDomain;
-
-/**
- * An observable value for manipulating reflective properties
- * (Based on a key/value pair). The modifications are based on EMF
- * commands.
- *
- * @see GenericAttributeModelElement
- *
- * @author Camille Letavernier
- */
-public class GenericAttributeObservable extends AbstractObservableValue {
-
- private EObject source;
-
- private EditingDomain domain;
-
- private EStructuralFeature createIn;
-
- private EFactory createFrom;
-
- private EClass createAsValue;
-
- private EClass createAsReference;
-
- private String propertyPath;
-
- /**
- *
- * Constructor.
- *
- * @param source
- * The EObject being edited
- * @param domain
- * The Editing domain on which the commands will be executed
- * @param createIn
- * The Feature in which the value will be set
- * @param createFrom
- * The Factory used to instantiate the new value
- * @param createAsValue
- * The EClass that will be instantiated for the new value, if it is an attribute
- * @param createAsReference
- * The EClass that will be instantiated for the new value, if it is a reference
- * @param propertyPath
- * The value of the "name" attribute (Which is the "key" of the property)
- */
- public GenericAttributeObservable(EObject source, EditingDomain domain, EStructuralFeature createIn, EFactory createFrom, EClass createAsValue, EClass createAsReference, String propertyPath) {
- this.source = source;
- this.domain = domain;
- this.createIn = createIn;
- this.createFrom = createFrom;
- this.createAsValue = createAsValue;
- this.createAsReference = createAsReference;
- this.propertyPath = propertyPath;
- }
-
- @Override
- public Object getValueType() {
- return Object.class;
- }
-
- @Override
- protected Object doGetValue() {
- EObject attribute = findAttribute();
- if (attribute == null) {
- return null;
- }
- Object result = attribute.eGet(attribute.eClass().getEStructuralFeature("value")); //$NON-NLS-1$
- return result;
- }
-
- /**
- * Browse the existing attributes in the given feature, and returns the
- * one with the same name, if it exists, or null otherwise.
- *
- * @return The attribute being edited, if it already exists, or null otherwise
- */
- @SuppressWarnings("unchecked")
- protected EObject findAttribute() {
- EList<? extends EObject> allAttributes = (EList<? extends EObject>) source.eGet(createIn);
- for (EObject attribute : allAttributes) {
- if (createAsValue.isInstance(attribute) || createAsReference.isInstance(attribute)) {
- if (attribute.eGet(attribute.eClass().getEStructuralFeature("name")).equals(propertyPath)) { //$NON-NLS-1$
- return attribute;
- }
- }
- }
- return null;
- }
-
- @SuppressWarnings("unchecked")
- @Override
- public void doSetValue(final Object value) {
- final Object oldValue = doGetValue();
-
- if (value != null && value.equals(oldValue)) {
- return;
- }
-
- EObject attribute = findAttribute();
- EList<? extends EObject> collection = (EList<? extends EObject>) source.eGet(createIn);
-
- CompoundCommand command = new CompoundCommand(String.format("Set %s value", propertyPath)) {
-
- @Override
- public boolean prepare() {
- // Only test the first command's canExecute(), as the following ones depend on the execution of the first one
- // Can we use a StrictCompoundCommand here ?
- if (commandList.isEmpty()) {
- return true;
- }
- return commandList.get(0).canExecute();
- }
- };
-
- if (value == null || value.equals("")) { //$NON-NLS-1$
- if (attribute != null) {
- RemoveCommand rCommand = new RemoveCommand(domain, collection, attribute);
- command.append(rCommand);
- }
- } else {
- if (attribute == null) {
- if (value instanceof String) {
- attribute = createFrom.create(createAsValue);
- } else {
- attribute = createFrom.create(createAsReference);
- }
-
- CreateChildCommand crCommand = new CreateChildCommand(domain, source, createIn, attribute, null);
- command.append(crCommand);
-
- EStructuralFeature feature = attribute.eClass().getEStructuralFeature("name"); //$NON-NLS-1$
-
- SetCommand setCommand = new SetCommand(domain, attribute, feature, propertyPath);
-
- command.append(setCommand);
- }
-
- EStructuralFeature feature = attribute.eClass().getEStructuralFeature("value"); //$NON-NLS-1$
-
- SetCommand setCommand = new SetCommand(domain, attribute, feature, value);
- command.append(setCommand);
- }
-
- domain.getCommandStack().execute(command);
-
- ValueDiff diff = new ValueDiff() {
-
- @Override
- public Object getOldValue() {
- return oldValue;
- }
-
- @Override
- public Object getNewValue() {
- return value;
- }
- };
-
- fireValueChange(diff);
- }
-
- @Override
- protected void fireValueChange(ValueDiff diff) {
- super.fireValueChange(diff);
- }
-
- @Override
- protected void fireChange() {
- super.fireChange();
- }
-
-}
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