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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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package org.apache.cayenne.modeler.editor;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Arrays;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JPanel;
import javax.swing.JTextField;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.ObjEntity;
import org.apache.cayenne.map.event.QueryEvent;
import org.apache.cayenne.modeler.ProjectController;
import org.apache.cayenne.modeler.event.QueryDisplayEvent;
import org.apache.cayenne.modeler.event.QueryDisplayListener;
import org.apache.cayenne.modeler.util.CayenneWidgetFactory;
import org.apache.cayenne.modeler.util.CellRenderers;
import org.apache.cayenne.modeler.util.Comparators;
import org.apache.cayenne.modeler.util.ProjectUtil;
import org.apache.cayenne.modeler.util.TextAdapter;
import org.apache.cayenne.query.AbstractQuery;
import org.apache.cayenne.query.ProcedureQuery;
import org.apache.cayenne.query.Query;
import org.apache.cayenne.util.Util;
import org.apache.cayenne.validation.ValidationException;
import com.jgoodies.forms.builder.PanelBuilder;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;
/**
* @author Andrei Adamchik
*/
public class ProcedureQueryView extends JPanel {
protected ProjectController mediator;
protected TextAdapter name;
protected JComboBox queryRoot;
protected SelectPropertiesPanel properties;
public ProcedureQueryView(ProjectController mediator) {
this.mediator = mediator;
initView();
initController();
}
private void initView() {
// create widgets
name = new TextAdapter(new JTextField()) {
protected void updateModel(String text) {
setQueryName(text);
}
};
queryRoot = CayenneWidgetFactory.createComboBox();
queryRoot.setRenderer(CellRenderers.listRendererWithIcons());
properties = new RawQueryPropertiesPanel(mediator) {
protected void setEntity(ObjEntity entity) {
ProcedureQueryView.this.setEntity(entity);
}
public ObjEntity getEntity(Query query) {
if (query instanceof ProcedureQuery) {
return ProcedureQueryView.this.getEntity((ProcedureQuery) query);
}
return null;
}
};
// assemble
CellConstraints cc = new CellConstraints();
FormLayout layout = new FormLayout(
"right:max(80dlu;pref), 3dlu, fill:max(200dlu;pref)",
"p, 3dlu, p, 3dlu, p");
PanelBuilder builder = new PanelBuilder(layout);
builder.setDefaultDialogBorder();
builder.addSeparator("ProcedureQuery Settings", cc.xywh(1, 1, 3, 1));
builder.addLabel("Query Name:", cc.xy(1, 3));
builder.add(name.getComponent(), cc.xy(3, 3));
builder.addLabel("Procedure:", cc.xy(1, 5));
builder.add(queryRoot, cc.xy(3, 5));
this.setLayout(new BorderLayout());
this.add(builder.getPanel(), BorderLayout.NORTH);
this.add(properties, BorderLayout.CENTER);
}
private void initController() {
queryRoot.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
AbstractQuery query = (AbstractQuery) mediator.getCurrentQuery();
if (query != null) {
query.setRoot(queryRoot.getModel().getSelectedItem());
mediator.fireQueryEvent(new QueryEvent(this, query));
}
}
});
mediator.addQueryDisplayListener(new QueryDisplayListener() {
public void currentQueryChanged(QueryDisplayEvent e) {
initFromModel();
}
});
}
/**
* Updates the view from the current model state. Invoked when a currently displayed
* query is changed.
*/
void initFromModel() {
Query query = mediator.getCurrentQuery();
if (!(query instanceof ProcedureQuery)) {
setVisible(false);
return;
}
ProcedureQuery procedureQuery = (ProcedureQuery) query;
properties.setEnabled(true);
name.setText(procedureQuery.getName());
// init root choices and title label..
// - ProcedureQuery supports Procedure roots
// TODO: now we only allow roots from the current map,
// since query root is fully resolved during map loading,
// making it impossible to reference other DataMaps.
DataMap map = mediator.getCurrentDataMap();
Object[] roots = map.getProcedures().toArray();
if (roots.length > 1) {
Arrays.sort(roots, Comparators.getDataMapChildrenComparator());
}
DefaultComboBoxModel model = new DefaultComboBoxModel(roots);
model.setSelectedItem(procedureQuery.getRoot());
queryRoot.setModel(model);
properties.initFromModel(procedureQuery);
setVisible(true);
}
/**
* Initializes Query name from string.
*/
void setQueryName(String newName) {
if (newName != null && newName.trim().length() == 0) {
newName = null;
}
AbstractQuery query = (AbstractQuery) mediator.getCurrentQuery();
if (query == null) {
return;
}
if (Util.nullSafeEquals(newName, query.getName())) {
return;
}
if (newName == null) {
throw new ValidationException("Query name is required.");
}
DataMap map = mediator.getCurrentDataMap();
if (map.getQuery(newName) == null) {
// completely new name, set new name for entity
QueryEvent e = new QueryEvent(this, query, query.getName());
ProjectUtil.setQueryName(map, query, newName);
mediator.fireQueryEvent(e);
}
else {
// there is a query with the same name
throw new ValidationException("There is another query named '"
+ newName
+ "'. Use a different name.");
}
}
/**
* Returns an entity that maps to a procedure query result class.
*/
ObjEntity getEntity(ProcedureQuery query) {
String entityName = query.getResultEntityName();
if (entityName == null) {
return null;
}
DataMap map = mediator.getCurrentDataMap();
if (map == null) {
return null;
}
return map.getObjEntity(entityName);
}
void setEntity(ObjEntity entity) {
Query query = mediator.getCurrentQuery();
if (query instanceof ProcedureQuery) {
ProcedureQuery procedureQuery = (ProcedureQuery) query;
procedureQuery.setResultEntityName(entity != null ? entity.getName() : null);
mediator.fireQueryEvent(new QueryEvent(this, procedureQuery));
}
}
}