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/*******************************************************************************
* Copyright (c) 2007, 2008 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.ui.internal.mappings.details;
import java.util.ArrayList;
import java.util.ListIterator;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jpt.core.JpaNode;
import org.eclipse.jpt.core.context.BaseJoinColumn;
import org.eclipse.jpt.core.context.JoinColumn;
import org.eclipse.jpt.core.context.NamedColumn;
import org.eclipse.jpt.ui.WidgetFactory;
import org.eclipse.jpt.ui.internal.JpaHelpContextIds;
import org.eclipse.jpt.ui.internal.mappings.JptUiMappingsMessages;
import org.eclipse.jpt.ui.internal.widgets.AbstractFormPane;
import org.eclipse.jpt.ui.internal.widgets.AddRemoveListPane;
import org.eclipse.jpt.ui.internal.widgets.AddRemovePane.AbstractAdapter;
import org.eclipse.jpt.ui.internal.widgets.AddRemovePane.Adapter;
import org.eclipse.jpt.utility.internal.model.value.CompositeListValueModel;
import org.eclipse.jpt.utility.internal.model.value.ItemPropertyListValueModelAdapter;
import org.eclipse.jpt.utility.internal.model.value.ListAspectAdapter;
import org.eclipse.jpt.utility.internal.model.value.PropertyAspectAdapter;
import org.eclipse.jpt.utility.internal.model.value.PropertyListValueModelAdapter;
import org.eclipse.jpt.utility.internal.model.value.SimplePropertyValueModel;
import org.eclipse.jpt.utility.internal.model.value.swing.ObjectListSelectionModel;
import org.eclipse.jpt.utility.model.value.ListValueModel;
import org.eclipse.jpt.utility.model.value.PropertyValueModel;
import org.eclipse.jpt.utility.model.value.WritablePropertyValueModel;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Composite;
/**
* Here the layout of this pane:
* <pre>
* -----------------------------------------------------------------------------
* | ------------------------------------------------------------------------- |
* | | | |
* | | AddRemoveListPane | |
* | | | |
* | ------------------------------------------------------------------------- |
* -----------------------------------------------------------------------------</pre>
*
* @see JoinTableComposite - A container of this pane
* @see OverridesComposite - A container of this pane
*
* @version 2.0
* @since 2.0
*/
public class JoinColumnsComposite<T extends JpaNode> extends AbstractFormPane<T>
{
/**
* The editor used to perform the common behaviors defined in the list pane.
*/
private IJoinColumnsEditor<T> joinColumnsEditor;
/**
* Creates a new <code>JoinColumnsComposite</code>.
*
* @param parentPane The parent controller of this one
* @param parent The parent container
* @param widgetFactory The factory used to create various common widgets
* @param joinColumnsEditor The editor used to perform the common behaviors
* defined in the list pane
*/
public JoinColumnsComposite(AbstractFormPane<? extends T> parentPane,
Composite parent,
IJoinColumnsEditor<T> joinColumnsEditor) {
super(parentPane, parent);
this.joinColumnsEditor = joinColumnsEditor;
initializeLayout2();
}
/**
* Creates a new <code>JoinColumnsComposite</code>.
*
* @param parentPane The parent controller of this one
* @param subjectHolder The holder of this pane's subject
* @param parent The parent container
* @param widgetFactory The factory used to create various common widgets
* @param joinColumnsEditor The editor used to perform the common behaviors
* defined in the list pane
*/
public JoinColumnsComposite(AbstractFormPane<?> parentPane,
PropertyValueModel<? extends T> subjectHolder,
Composite parent,
IJoinColumnsEditor<T> joinColumnsEditor,
boolean automaticallyAlignWidgets) {
super(parentPane, subjectHolder, parent, automaticallyAlignWidgets);
this.joinColumnsEditor = joinColumnsEditor;
initializeLayout2();
}
/**
* Creates a new <code>JoinColumnsComposite</code>.
*
* @param subjectHolder The holder of this pane's subject
* @param parent The parent container
* @param widgetFactory The factory used to create various common widgets
*/
public JoinColumnsComposite(PropertyValueModel<? extends T> subjectHolder,
Composite parent,
WidgetFactory widgetFactory,
IJoinColumnsEditor<T> joinColumnsEditor) {
super(subjectHolder, parent, widgetFactory);
this.joinColumnsEditor = joinColumnsEditor;
initializeLayout2();
}
private WritablePropertyValueModel<JoinColumn> buildJoinColumnHolder() {
return new SimplePropertyValueModel<JoinColumn>();
}
private String buildJoinColumnLabel(JoinColumn joinColumn) {
if (joinColumn.isVirtual()) {
return NLS.bind(
JptUiMappingsMessages.JoinTableComposite_mappingBetweenTwoParamsDefault,
joinColumn.getName(),
joinColumn.getReferencedColumnName()
);
}
if (joinColumn.getSpecifiedName() == null) {
if (joinColumn.getSpecifiedReferencedColumnName() == null) {
return NLS.bind(
JptUiMappingsMessages.JoinTableComposite_mappingBetweenTwoParamsBothDefault,
joinColumn.getName(),
joinColumn.getReferencedColumnName()
);
}
return NLS.bind(
JptUiMappingsMessages.JoinTableComposite_mappingBetweenTwoParamsFirstDefault,
joinColumn.getName(),
joinColumn.getReferencedColumnName()
);
}
if (joinColumn.getSpecifiedReferencedColumnName() == null) {
return NLS.bind(
JptUiMappingsMessages.JoinTableComposite_mappingBetweenTwoParamsSecDefault,
joinColumn.getName(),
joinColumn.getReferencedColumnName()
);
}
return NLS.bind(
JptUiMappingsMessages.JoinTableComposite_mappingBetweenTwoParams,
joinColumn.getName(),
joinColumn.getReferencedColumnName()
);
}
private Adapter buildJoinColumnsAdapter() {
return new AbstractAdapter() {
public void addNewItem(ObjectListSelectionModel listSelectionModel) {
joinColumnsEditor.addJoinColumn(subject());
}
@Override
public boolean hasOptionalButton() {
return true;
}
@Override
public String optionalButtonText() {
return JptUiMappingsMessages.JoinColumnComposite_edit;
}
@Override
public void optionOnSelection(ObjectListSelectionModel listSelectionModel) {
JoinColumn joinColumn = (JoinColumn) listSelectionModel.selectedValue();
joinColumnsEditor.editJoinColumn(subject(), joinColumn);
}
public void removeSelectedItems(ObjectListSelectionModel listSelectionModel) {
joinColumnsEditor.removeJoinColumns(subject(), listSelectionModel.selectedIndices());
}
};
}
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(buildSpecifiedJoinColumnsListHolder());
list.add(buildDefaultJoinColumnListHolder());
return new CompositeListValueModel<ListValueModel<JoinColumn>, JoinColumn>(list);
}
private ListValueModel<JoinColumn> buildSpecifiedJoinColumnsListHolder() {
return new ListAspectAdapter<T, JoinColumn>(getSubjectHolder(), joinColumnsEditor.specifiedListPropertyName()) {
@Override
protected ListIterator<JoinColumn> listIterator_() {
return joinColumnsEditor.specifiedJoinColumns(subject);
}
@Override
protected int size_() {
return joinColumnsEditor.specifiedJoinColumnsSize(subject);
}
};
}
private ListValueModel<JoinColumn> buildDefaultJoinColumnListHolder() {
return new PropertyListValueModelAdapter<JoinColumn>(buildDefaultJoinColumnHolder());
}
private PropertyValueModel<JoinColumn> buildDefaultJoinColumnHolder() {
return new PropertyAspectAdapter<T, JoinColumn>(getSubjectHolder(), joinColumnsEditor.defaultPropertyName()) {
@Override
protected JoinColumn buildValue_() {
return joinColumnsEditor.defaultJoinColumn(subject);
}
};
}
private ILabelProvider buildJoinColumnsListLabelProvider() {
return new LabelProvider() {
@Override
public String getText(Object element) {
JoinColumn joinColumn = (JoinColumn) element;
return buildJoinColumnLabel(joinColumn);
}
};
}
/*
* (non-Javadoc)
*/
@Override
protected void initializeLayout(Composite container) {
}
private void initializeLayout2() {
// Join Columns list pane
AddRemoveListPane<T> listPane = new AddRemoveListPane<T>(
this,
getControl(),
buildJoinColumnsAdapter(),
buildJoinColumnsListModel(),
buildJoinColumnHolder(),
buildJoinColumnsListLabelProvider(),
JpaHelpContextIds.MAPPING_JOIN_TABLE_COLUMNS
);
// Remove the list pane from this pane's enablement control because its
// enablement is managed by a PaneEnabler registered with this pane
removeFromEnablementControl(listPane.getMainControl());
removeFromEnablementControl(listPane);
}
/**
* The editor is used to complete the behavior of this pane.
*/
public static interface IJoinColumnsEditor<T> {
void addJoinColumn(T subject);
void editJoinColumn(T subject, JoinColumn joinColumn);
boolean hasSpecifiedJoinColumns(T subject);
ListIterator<JoinColumn> specifiedJoinColumns(T subject);
int specifiedJoinColumnsSize(T subject);
JoinColumn defaultJoinColumn(T subject);
String specifiedListPropertyName();
String defaultPropertyName();
void removeJoinColumns(T subject, int[] selectedIndices);
}
}
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