BinaryExpressionItemProvider.java

/*******************************************************************************
 * 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.core.data.information.datavalue.provider;

import java.util.Collection;
import java.util.List;

import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.edit.command.CommandParameter;
import org.eclipse.emf.edit.command.CopyCommand.Helper;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.polarsys.capella.common.model.copypaste.SharedInitializeCopyCommand;
import org.polarsys.capella.core.data.information.InformationFactory;
import org.polarsys.capella.core.data.information.datavalue.BinaryExpression;
import org.polarsys.capella.core.data.information.datavalue.DatavalueFactory;
import org.polarsys.capella.core.data.information.datavalue.DatavaluePackage;
import org.polarsys.capella.core.data.information.datavalue.util.DataValueNaminghelper;
import org.polarsys.kitalpha.emde.model.edit.provider.NewChildDescriptorHelper;

/**
 * This is the item provider adapter for a {@link org.polarsys.capella.core.data.information.datavalue.BinaryExpression} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class BinaryExpressionItemProvider extends AbstractExpressionValueItemProvider implements IEditingDomainItemProvider, IStructuredItemContentProvider,
    ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {

  /**
   * This constructs an instance from a factory and a notifier.
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	public BinaryExpressionItemProvider(AdapterFactory adapterFactory) {
    super(adapterFactory);
  }

	/**
   * This returns the property descriptors for the adapted class.
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	@Override
	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
    if (itemPropertyDescriptors == null) {
      super.getPropertyDescriptors(object);

      addOperatorPropertyDescriptor(object);
    }
    // begin-extension-code
    checkChildCreationExtender(object);
    // end-extension-code
    return itemPropertyDescriptors;
  }

	/**
   * This adds a property descriptor for the Operator feature.
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	protected void addOperatorPropertyDescriptor(Object object) {

    // begin-extension-code
    itemPropertyDescriptors.add
      (createItemPropertyDescriptor
    // end-extension-code
        (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
         getResourceLocator(),
         getString("_UI_BinaryExpression_operator_feature"), //$NON-NLS-1$
         getString("_UI_PropertyDescriptor_description", "_UI_BinaryExpression_operator_feature", "_UI_BinaryExpression_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
         DatavaluePackage.Literals.BINARY_EXPRESSION__OPERATOR,
         true,
         false,
         false,
         ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
         null,
    // begin-extension-code
         null));
    // end-extension-code
  }

	/**
   * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
   * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
   * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	@Override
	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
    if (childrenFeatures == null) {
      super.getChildrenFeatures(object);
      childrenFeatures.add(DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND);
      childrenFeatures.add(DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND);
    }
    return childrenFeatures;
  }

	/**
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	@Override
	protected EStructuralFeature getChildFeature(Object object, Object child) {
    // Check the type of the specified child object and return the proper feature to use for
    // adding (see {@link AddCommand}) it as a child.

    return super.getChildFeature(object, child);
  }

	/**
   * This returns BinaryExpression.gif.
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	@Override
	public Object getImage(Object object) {
    return overlayImage(object, getResourceLocator().getImage("full/obj16/BinaryExpression")); //$NON-NLS-1$
  }

		/**
   * This returns the label text for the adapted class.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public String getTextGen(Object object) {
   String[] result = new String[] { null };

    	//begin-capella-code
    String label = ((BinaryExpression)object).getName();
    //end-capella-code
    
  
      result[0] = label == null || label.length() == 0 ?
      //begin-capella-code
      "[" + getString("_UI_BinaryExpression_type") + "]" : label; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
      //end-capella-code

    return result[0];

  }

  /**
   * This returns the label text for the adapted class.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   */
  @Override
  public String getText(Object object) {
    String[] result = new String[] { null };

    // begin-capella-code
    String valuePrefix = DataValueNaminghelper.getReferencePrefix((BinaryExpression) object);
    String valueSuffix = DataValueNaminghelper.getSuffix((BinaryExpression) object);
    String prefix = ((BinaryExpression) object).getName();
    if (null == prefix) prefix = ""; //$NON-NLS-1$
    else if ("" != prefix) prefix += " = "; //$NON-NLS-1$ //$NON-NLS-2$
    String label = valuePrefix + prefix + ((BinaryExpression) object).getExpression();
    if (null != valueSuffix && "" != valueSuffix) { //$NON-NLS-1$
      label += " " + valueSuffix; //$NON-NLS-1$
    }
    // end-capella-code

    result[0] = label == null || label.length() == 0 ?
    // begin-capella-code
    "[" + getString("_UI_BinaryExpression_type") + "]" : label; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    // end-capella-code

    return result[0];
  }

		/**
   * This handles model notifications by calling {@link #updateChildren} to update any cached
   * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	@Override
	public void notifyChanged(Notification notification) {
    updateChildren(notification);

    switch (notification.getFeatureID(BinaryExpression.class)) {
      case DatavaluePackage.BINARY_EXPRESSION__OPERATOR:
        fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
        return;
      case DatavaluePackage.BINARY_EXPRESSION__OWNED_LEFT_OPERAND:
      case DatavaluePackage.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND:
        fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
        return;
    }
    super.notifyChanged(notification);
  }

		/**
   * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
   * that can be created under this object.
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	@Override
	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
    super.collectNewChildDescriptors(newChildDescriptors, object);
                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         DatavalueFactory.eINSTANCE.createLiteralBooleanValue());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         DatavalueFactory.eINSTANCE.createBooleanReference());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         DatavalueFactory.eINSTANCE.createEnumerationLiteral());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         DatavalueFactory.eINSTANCE.createEnumerationReference());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         DatavalueFactory.eINSTANCE.createLiteralStringValue());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         DatavalueFactory.eINSTANCE.createStringReference());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         DatavalueFactory.eINSTANCE.createLiteralNumericValue());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         DatavalueFactory.eINSTANCE.createNumericReference());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         DatavalueFactory.eINSTANCE.createComplexValue());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         DatavalueFactory.eINSTANCE.createComplexValueReference());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         DatavalueFactory.eINSTANCE.createBinaryExpression());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         DatavalueFactory.eINSTANCE.createUnaryExpression());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         InformationFactory.eINSTANCE.createCollectionValue());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND,
                         InformationFactory.eINSTANCE.createCollectionValueReference());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         DatavalueFactory.eINSTANCE.createLiteralBooleanValue());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         DatavalueFactory.eINSTANCE.createBooleanReference());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         DatavalueFactory.eINSTANCE.createEnumerationLiteral());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         DatavalueFactory.eINSTANCE.createEnumerationReference());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         DatavalueFactory.eINSTANCE.createLiteralStringValue());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         DatavalueFactory.eINSTANCE.createStringReference());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         DatavalueFactory.eINSTANCE.createLiteralNumericValue());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         DatavalueFactory.eINSTANCE.createNumericReference());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         DatavalueFactory.eINSTANCE.createComplexValue());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         DatavalueFactory.eINSTANCE.createComplexValueReference());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         DatavalueFactory.eINSTANCE.createBinaryExpression());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         DatavalueFactory.eINSTANCE.createUnaryExpression());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         InformationFactory.eINSTANCE.createCollectionValue());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


                // begin-extension-code
                {
                    CommandParameter commandParameter = createChildParameter
                        (DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND,
                         InformationFactory.eINSTANCE.createCollectionValueReference());
                    if (NewChildDescriptorHelper.isValidCommand(object, commandParameter)) {
                        newChildDescriptors.add(commandParameter);      
                    }
                }
                // end-extension-code


  }

		/**
   * This returns the label text for {@link org.eclipse.emf.edit.command.CreateChildCommand}.
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	@Override
	public String getCreateChildText(Object owner, Object feature, Object child, Collection<?> selection) {
    Object childFeature = feature;
    Object childObject = child;

    boolean qualify =
      childFeature == DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_LEFT_OPERAND ||
      childFeature == DatavaluePackage.Literals.BINARY_EXPRESSION__OWNED_RIGHT_OPERAND;

    if (qualify) {
      return getString
        ("_UI_CreateChild_text2", //$NON-NLS-1$
         new Object[] { getTypeText(childObject), getFeatureText(childFeature), getTypeText(owner) });
    }
    return super.getCreateChildText(owner, feature, child, selection);
  }

		/**
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	@Override
	protected Command createInitializeCopyCommand(EditingDomain domain, EObject owner, Helper helper) {
    return new SharedInitializeCopyCommand(domain, owner, helper);
  }
}