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/*******************************************************************************
* Copyright (c) 2007, 2013 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.jpa.ui.internal.details;
import java.util.ArrayList;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jpt.common.ui.internal.widgets.AddRemoveListPane;
import org.eclipse.jpt.common.ui.internal.widgets.AddRemovePane.AbstractAdapter;
import org.eclipse.jpt.common.ui.internal.widgets.AddRemovePane.Adapter;
import org.eclipse.jpt.common.ui.internal.widgets.Pane;
import org.eclipse.jpt.common.utility.internal.iterable.SingleElementIterable;
import org.eclipse.jpt.common.utility.internal.model.value.CompositeListValueModel;
import org.eclipse.jpt.common.utility.internal.model.value.ItemPropertyListValueModelAdapter;
import org.eclipse.jpt.common.utility.internal.model.value.ListAspectAdapter;
import org.eclipse.jpt.common.utility.internal.model.value.PropertyAspectAdapter;
import org.eclipse.jpt.common.utility.internal.model.value.PropertyListValueModelAdapter;
import org.eclipse.jpt.common.utility.internal.model.value.SimpleCollectionValueModel;
import org.eclipse.jpt.common.utility.iterable.ListIterable;
import org.eclipse.jpt.common.utility.model.value.CollectionValueModel;
import org.eclipse.jpt.common.utility.model.value.ListValueModel;
import org.eclipse.jpt.common.utility.model.value.ModifiableCollectionValueModel;
import org.eclipse.jpt.common.utility.model.value.PropertyValueModel;
import org.eclipse.jpt.jpa.core.JpaModel;
import org.eclipse.jpt.jpa.core.context.SpecifiedJoinColumn;
import org.eclipse.jpt.jpa.core.context.BaseJoinColumn;
import org.eclipse.jpt.jpa.core.context.JoinColumn;
import org.eclipse.jpt.jpa.core.context.NamedColumn;
import org.eclipse.jpt.jpa.ui.details.JptJpaUiDetailsMessages;
import org.eclipse.jpt.jpa.ui.internal.JpaHelpContextIds;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Composite;
public class JoinColumnsComposite<T extends JpaModel>
extends Pane<T>
{
/**
* The editor used to perform the common behaviors defined in the list pane.
*/
JoinColumnsEditor<T> joinColumnsEditor;
ModifiableCollectionValueModel<SpecifiedJoinColumn> selectedJoinColumnsModel;
public JoinColumnsComposite(
Pane<? extends T> parent,
Composite parentComposite,
JoinColumnsEditor<T> joinColumnsEditor,
PropertyValueModel<Boolean> enabledModel) {
super(parent, parentComposite, enabledModel);
this.joinColumnsEditor = joinColumnsEditor;
initializeLayout2();
}
@Override
public Composite getControl() {
return (Composite) super.getControl();
}
@Override
protected void initialize() {
super.initialize();
this.selectedJoinColumnsModel = this.buildSelectedJoinColumnsModel();
}
@Override
protected void initializeLayout(Composite container) {
//see intiailizeLayout2()
}
private void initializeLayout2() {
new AddRemoveListPane<T, SpecifiedJoinColumn>(
this,
getControl(),
buildJoinColumnsAdapter(),
buildJoinColumnsListModel(),
this.selectedJoinColumnsModel,
buildJoinColumnsListLabelProvider(),
JpaHelpContextIds.MAPPING_JOIN_TABLE_COLUMNS
);
}
private ModifiableCollectionValueModel<SpecifiedJoinColumn> buildSelectedJoinColumnsModel() {
return new SimpleCollectionValueModel<SpecifiedJoinColumn>();
}
String buildJoinColumnLabel(JoinColumn joinColumn) {
if (joinColumn.isVirtual()) {
return NLS.bind(
JptJpaUiDetailsMessages.JOIN_COLUMNS_COMPOSITE_MAPPING_BETWEEN_TWO_PARAMS_DEFAULT,
joinColumn.getName(),
joinColumn.getReferencedColumnName()
);
}
if (joinColumn.getSpecifiedName() == null) {
if (joinColumn.getSpecifiedReferencedColumnName() == null) {
return NLS.bind(
JptJpaUiDetailsMessages.JOIN_COLUMNS_COMPOSITE_MAPPING_BETWEEN_TWO_PARAMS_BOTH_DEFAULT,
joinColumn.getName(),
joinColumn.getReferencedColumnName()
);
}
return NLS.bind(
JptJpaUiDetailsMessages.JOIN_COLUMNS_COMPOSITE_MAPPING_BETWEEN_TWO_PARAMS_FIRST_DEFAULT,
joinColumn.getName(),
joinColumn.getReferencedColumnName()
);
}
if (joinColumn.getSpecifiedReferencedColumnName() == null) {
return NLS.bind(
JptJpaUiDetailsMessages.JOIN_COLUMNS_COMPOSITE_MAPPING_BETWEEN_TWO_PARAMS_SECOND_DEFAULT,
joinColumn.getName(),
joinColumn.getReferencedColumnName()
);
}
return NLS.bind(
JptJpaUiDetailsMessages.JOIN_COLUMNS_COMPOSITE_MAPPING_BETWEEN_TWO_PARAMS,
joinColumn.getName(),
joinColumn.getReferencedColumnName()
);
}
private Adapter<SpecifiedJoinColumn> buildJoinColumnsAdapter() {
return new AbstractAdapter<SpecifiedJoinColumn>() {
public SpecifiedJoinColumn addNewItem() {
return JoinColumnsComposite.this.joinColumnsEditor.addJoinColumn(getSubject());
}
@Override
public PropertyValueModel<Boolean> buildRemoveButtonEnabledModel(CollectionValueModel<SpecifiedJoinColumn> selectedItemsModel) {
//enable the remove button only when 1 item is selected, same as the optional button
return this.buildSingleSelectedItemEnabledModel(selectedItemsModel);
}
public void removeSelectedItems(CollectionValueModel<SpecifiedJoinColumn> selectedItemsModel) {
//assume only 1 item since remove button is disabled otherwise
SpecifiedJoinColumn joinColumn = selectedItemsModel.iterator().next();
JoinColumnsComposite.this.joinColumnsEditor.removeJoinColumn(getSubject(), joinColumn);
}
@Override
public boolean hasOptionalButton() {
return true;
}
@Override
public String optionalButtonText() {
return JptJpaUiDetailsMessages.JOIN_COLUMNS_COMPOSITE_EDIT;
}
@Override
public void optionOnSelection(CollectionValueModel<SpecifiedJoinColumn> selectedItemsModel) {
SpecifiedJoinColumn joinColumn = selectedItemsModel.iterator().next();
JoinColumnsComposite.this.joinColumnsEditor.editJoinColumn(getSubject(), joinColumn);
}
};
}
private ListValueModel<JoinColumn> buildJoinColumnsListModel() {
return new ItemPropertyListValueModelAdapter<JoinColumn>(buildJoinColumnsListHolder(),
NamedColumn.SPECIFIED_NAME_PROPERTY,
NamedColumn.DEFAULT_NAME_PROPERTY,
BaseJoinColumn.SPECIFIED_REFERENCED_COLUMN_NAME_PROPERTY,
BaseJoinColumn.DEFAULT_REFERENCED_COLUMN_NAME_PROPERTY);
}
private ListValueModel<JoinColumn> buildJoinColumnsListHolder() {
java.util.List<ListValueModel<JoinColumn>> list = new ArrayList<ListValueModel<JoinColumn>>();
list.add(buildDefaultJoinColumnListHolder());
list.add(buildSpecifiedJoinColumnsListHolder());
return CompositeListValueModel.forModels(list);
}
private ListValueModel<JoinColumn> buildSpecifiedJoinColumnsListHolder() {
return new ListAspectAdapter<T, JoinColumn>(getSubjectHolder(), this.joinColumnsEditor.getSpecifiedJoinColumnsListPropertyName()) {
@Override
protected ListIterable<JoinColumn> getListIterable() {
return JoinColumnsComposite.this.joinColumnsEditor.getSpecifiedJoinColumns(this.subject);
}
@Override
protected int size_() {
return JoinColumnsComposite.this.joinColumnsEditor.getSpecifiedJoinColumnsSize(this.subject);
}
};
}
private ListValueModel<JoinColumn> buildDefaultJoinColumnListHolder() {
return new PropertyListValueModelAdapter<JoinColumn>(buildDefaultJoinColumnHolder());
}
private PropertyValueModel<JoinColumn> buildDefaultJoinColumnHolder() {
return new PropertyAspectAdapter<T, JoinColumn>(getSubjectHolder(), this.joinColumnsEditor.getDefaultPropertyName()) {
@Override
protected JoinColumn buildValue_() {
return JoinColumnsComposite.this.joinColumnsEditor.getDefaultJoinColumn(this.subject);
}
};
}
private ILabelProvider buildJoinColumnsListLabelProvider() {
return new LabelProvider() {
@Override
public String getText(Object element) {
JoinColumn joinColumn = (JoinColumn) element;
return buildJoinColumnLabel(joinColumn);
}
};
}
public void setSelectedJoinColumn(SpecifiedJoinColumn joinColumn) {
this.selectedJoinColumnsModel.setValues(new SingleElementIterable<SpecifiedJoinColumn>(joinColumn));
}
/**
* The editor is used to complete the behavior of this pane.
*/
public static interface JoinColumnsEditor<T> {
/**
* Add a join column to the given subject and return it
*/
SpecifiedJoinColumn addJoinColumn(T subject);
/**
* Edit the given join column, the Edit button was pressed
* while this join column was selected.
*/
void editJoinColumn(T subject, JoinColumn joinColumn);
/**
* Return whether the subject has specified join columns
*/
boolean hasSpecifiedJoinColumns(T subject);
/**
* Return the spcified join columns from the given subject
*/
ListIterable<JoinColumn> getSpecifiedJoinColumns(T subject);
/**
* Return the number of specified join columns on the given subject
*/
int getSpecifiedJoinColumnsSize(T subject);
/**
* Return the default join column from the given subject or null.
*/
JoinColumn getDefaultJoinColumn(T subject);
/**
* Return the property name of the specified join columns list
*/
String getSpecifiedJoinColumnsListPropertyName();
/**
* Return the property name of the specified join columns list
*/
String getDefaultPropertyName();
/**
* Remove the join columns at the specified indices from the subject
*/
void removeJoinColumn(T subject, SpecifiedJoinColumn joinColumn);
}
}
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