/*******************************************************************************
* Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.mappingsplugin.ui.descriptor;
import java.awt.GridBagConstraints;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Iterator;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.table.TableModel;
import org.eclipse.persistence.tools.workbench.framework.action.AbstractFrameworkAction;
import org.eclipse.persistence.tools.workbench.framework.context.WorkbenchContextHolder;
import org.eclipse.persistence.tools.workbench.framework.resources.ResourceRepository;
import org.eclipse.persistence.tools.workbench.framework.ui.view.AbstractSubjectPanel;
import org.eclipse.persistence.tools.workbench.framework.uitools.AccessibleTitledPanel;
import org.eclipse.persistence.tools.workbench.framework.uitools.SwingComponentFactory;
import org.eclipse.persistence.tools.workbench.mappingsmodel.MWDataField;
import org.eclipse.persistence.tools.workbench.mappingsmodel.db.MWColumn;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.MWReturningPolicy;
import org.eclipse.persistence.tools.workbench.uitools.app.CollectionAspectAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.CollectionValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.ItemPropertyListValueModelAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.ListValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.PropertyAspectAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.PropertyValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.SortedListValueModelAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.swing.ColumnAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.swing.ListModelAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.swing.ObjectListSelectionModel;
import org.eclipse.persistence.tools.workbench.uitools.app.swing.TableModelAdapter;
public abstract class ReturningUpdateFieldsPanel extends AbstractSubjectPanel {
private TableModel tableModel;
private ListValueModel sortedFieldsAdapter;
private ObjectListSelectionModel rowSelectionModel;
private AbstractFrameworkAction removeAction;
static final String[] EMPTY_STRING_ARRAY = new String[0];
/**
* Creates a new <code>ReturningUpdateFieldsPanel</code>.
*/
protected ReturningUpdateFieldsPanel( PropertyValueModel subjectHolder, WorkbenchContextHolder contextHolder)
{
super( subjectHolder, contextHolder);
}
/**
* Initializes the layout of this pane.
*
* @return The container with all its widgets
*/
protected void initializeLayout()
{
this.sortedFieldsAdapter = this.buildSortedUpdateFieldsHolder();
this.tableModel = this.buildTableModel();
this.rowSelectionModel = this.buildRowSelectionModel();
GridBagConstraints constraints = new GridBagConstraints();
// Create the button panel first
JPanel buttonPanel = buildButtonPanel();
constraints.gridx = 0;
constraints.gridy = 1;
constraints.gridwidth = 1;
constraints.gridheight = 1;
constraints.weightx = 0;
constraints.weighty = 0;
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.LINE_END;
constraints.insets = new Insets(5, 0, 0, 0);
add( buttonPanel, constraints);
// Create the table after since some listeners need access to the buttons
JComponent updateTablePane = buildUpdatePanel();
constraints.gridx = 0;
constraints.gridy = 0;
constraints.gridwidth = 1;
constraints.gridheight = 1;
constraints.weightx = 1;
constraints.weighty = 1;
constraints.fill = GridBagConstraints.BOTH;
constraints.anchor = GridBagConstraints.FIRST_LINE_START;
constraints.insets = new Insets(0, 0, 0, 0);
add( updateTablePane, constraints);
}
private JComponent buildUpdatePanel()
{
JTable table = this.buildTable();
JScrollPane updateTablePane = new JScrollPane( table);
updateTablePane.getViewport().setBackground( table.getBackground());
return updateTablePane;
}
private JTable buildTable() {
JTable table = SwingComponentFactory.buildTable(tableModel, rowSelectionModel);
int rowHeight = 20; // start with minimum of 20
table.setRowHeight(rowHeight);
return table;
}
private ObjectListSelectionModel buildRowSelectionModel() {
ObjectListSelectionModel rowSelectionModel = new ObjectListSelectionModel(new ListModelAdapter( sortedFieldsAdapter));
rowSelectionModel.addListSelectionListener( this.buildRowSelectionListener());
rowSelectionModel.setSelectionMode( ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
return rowSelectionModel;
}
private ListSelectionListener buildRowSelectionListener() {
return new ListSelectionListener() {
public void valueChanged( ListSelectionEvent e) {
if (!e.getValueIsAdjusting()) {
ReturningUpdateFieldsPanel.this.rowSelectionChanged();
}
}
};
}
private void rowSelectionChanged() {
Object[] selection = rowSelectionModel.getSelectedValues();
boolean fieldSelected = ( selection.length > 0);
removeAction.setEnabled( fieldSelected);
}
private TableModel buildTableModel() {
return new TableModelAdapter( sortedFieldsAdapter, this.buildUpdateColumnAdapter());
}
private ColumnAdapter buildUpdateColumnAdapter() {
return new UpdateFieldColumnAdapter( resourceRepository());
}
private ListValueModel buildSortedUpdateFieldsHolder() {
return new SortedListValueModelAdapter(buildDatabaseFieldNameAdapter());
}
private ListValueModel buildDatabaseFieldNameAdapter() {
return new ItemPropertyListValueModelAdapter(buildUpdateFieldsAdapter(), MWColumn.QUALIFIED_NAME_PROPERTY);
}
private CollectionValueModel buildUpdateFieldsAdapter() {
return new CollectionAspectAdapter( getSubjectHolder(), MWReturningPolicy.UPDATE_FIELDS_COLLECTION) {
protected Iterator getValueFromSubject() {
return (( MWReturningPolicy)subject).updateFields();
}
protected int sizeFromSubject() {
return (( MWReturningPolicy)subject).updateFieldsSize();
}
};
}
protected MWReturningPolicy returningPolicy() {
return (MWReturningPolicy) this.getSubjectHolder().getValue();
}
//*********** button panel **********
private JPanel buildButtonPanel() {
JPanel buttonPanel = new AccessibleTitledPanel( new GridLayout( 1, 0, 5, 0));
buttonPanel.add( this.buildAddButton());
buttonPanel.add( this.buildRemoveButton());
return buttonPanel;
}
private JButton buildAddButton() {
return new JButton( this.buildAddAction());
}
protected String addButtonKey() {
return "ADD_BUTTON";
}
protected String removeButtonKey() {
return "REMOVE_BUTTON";
}
private Action buildAddAction() {
final AbstractFrameworkAction action = new AbstractFrameworkAction( this.getApplicationContext()) {
public void actionPerformed( ActionEvent event) {
ReturningUpdateFieldsPanel.this.addField();
}
};
action.setText(resourceRepository().getString(addButtonKey()));
action.setMnemonic(resourceRepository().getMnemonic(addButtonKey()));
action.setEnabled( true);
this.getSubjectHolder().addPropertyChangeListener(PropertyValueModel.VALUE, new PropertyChangeListener() {
public void propertyChange( PropertyChangeEvent evt) {
action.setEnabled( returningPolicy() != null);
}
});
return action;
}
protected abstract void addField();
// ********** remove **********
private JButton buildRemoveButton() {
return new JButton( this.buildRemoveAction());
}
private Action buildRemoveAction() {
removeAction = new AbstractFrameworkAction( this.getApplicationContext()) {
public void actionPerformed(ActionEvent event) {
ReturningUpdateFieldsPanel.this.removeField();
}
};
removeAction.setText(resourceRepository().getString(removeButtonKey()));
removeAction.setMnemonic(resourceRepository().getMnemonic(removeButtonKey()));
removeAction.setEnabled( false);
return removeAction;
}
private void removeField() {
Object[] selectedFields = this.selectedFields();
for (int index = selectedFields.length; --index >= 0;) {
this.returningPolicy().removeUpdateField( (MWDataField) selectedFields[index]);
}
}
private Object[] selectedFields() {
return rowSelectionModel.getSelectedValues();
}
// ********** classes **********
private static class UpdateFieldColumnAdapter implements ColumnAdapter {
private ResourceRepository resourceRepository;
public static final int COLUMN_COUNT = 1;
public static final int UPDATE_FIELD_COLUMN = 0;
private final String[] COLUMN_NAME_KEYS = new String[] {
"RETURNING_POLICY_UPDATE_COLUMN_HEADER",
};
protected UpdateFieldColumnAdapter(ResourceRepository repository) {
super();
this.resourceRepository = repository;
}
public int getColumnCount() {
return COLUMN_COUNT;
}
public String getColumnName(int index) {
return this.resourceRepository.getString( COLUMN_NAME_KEYS[ index]);
}
public Class getColumnClass(int index) {
switch (index) {
case UPDATE_FIELD_COLUMN:
return Object.class;
default:
return Object.class;
}
}
public boolean isColumnEditable( int index) {
return false;
}
public PropertyValueModel[] cellModels( Object subject) {
PropertyValueModel[] result = new PropertyValueModel[ COLUMN_COUNT];
result[ UPDATE_FIELD_COLUMN] = this.buildUpdateFieldAdapter((MWDataField) subject);
return result;
}
private PropertyValueModel buildUpdateFieldAdapter( MWDataField field) {
return new PropertyAspectAdapter( MWDataField.FIELD_NAME_PROPERTY, field) {
protected Object getValueFromSubject() {
return ((MWDataField) this.subject).fieldName();
}
};
}
}
}