/**
* <copyright>
* </copyright>
*
* $Id$
*/
package org.talend.dataquality.rules.provider;
import java.util.Collection;
import java.util.List;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EStructuralFeature;
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.talend.dataquality.indicators.definition.DefinitionPackage;
import org.talend.dataquality.rules.RulesFactory;
import org.talend.dataquality.rules.RulesPackage;
import org.talend.dataquality.rules.WhereRule;
/**
* This is the item provider adapter for a {@link org.talend.dataquality.rules.WhereRule} object.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class WhereRuleItemProvider
extends SpecifiedDQRuleItemProvider
implements
IEditingDomainItemProvider,
IStructuredItemContentProvider,
ITreeItemContentProvider,
IItemLabelProvider,
IItemPropertySource {
/**
* This constructs an instance from a factory and a notifier.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public WhereRuleItemProvider(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);
addWhereExpressionPropertyDescriptor(object);
addJoinExpressionPropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Where Expression feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addWhereExpressionPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_WhereRule_whereExpression_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_WhereRule_whereExpression_feature", "_UI_WhereRule_type"),
RulesPackage.Literals.WHERE_RULE__WHERE_EXPRESSION,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Join Expression feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addJoinExpressionPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_WhereRule_joinExpression_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_WhereRule_joinExpression_feature", "_UI_WhereRule_type"),
RulesPackage.Literals.WHERE_RULE__JOIN_EXPRESSION,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* 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(RulesPackage.Literals.WHERE_RULE__JOINS);
}
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 WhereRule.gif.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object getImage(Object object) {
return overlayImage(object, getResourceLocator().getImage("full/obj16/WhereRule"));
}
/**
* This returns the label text for the adapted class.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public String getText(Object object) {
String label = ((WhereRule)object).getName();
return label == null || label.length() == 0 ?
getString("_UI_WhereRule_type") :
getString("_UI_WhereRule_type") + " " + label;
}
/**
* 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(WhereRule.class)) {
case RulesPackage.WHERE_RULE__WHERE_EXPRESSION:
case RulesPackage.WHERE_RULE__JOIN_EXPRESSION:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
return;
case RulesPackage.WHERE_RULE__JOINS:
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);
newChildDescriptors.add
(createChildParameter
(RulesPackage.Literals.WHERE_RULE__JOINS,
RulesFactory.eINSTANCE.createJoinElement()));
}
/**
* 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 == DefinitionPackage.Literals.INDICATOR_DEFINITION__SQL_GENERIC_EXPRESSION ||
childFeature == DefinitionPackage.Literals.INDICATOR_DEFINITION__AGGREGATE1ARG_FUNCTIONS ||
childFeature == DefinitionPackage.Literals.INDICATOR_DEFINITION__DATE1ARG_FUNCTIONS;
if (qualify) {
return getString
("_UI_CreateChild_text2",
new Object[] { getTypeText(childObject), getFeatureText(childFeature), getTypeText(owner) });
}
return super.getCreateChildText(owner, feature, child, selection);
}
}