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org.apache.cayenne.modeler.editor.ProcedureQueryView Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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
* under the License.
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package org.apache.cayenne.modeler.editor;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import javax.swing.DefaultComboBoxModel;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JComboBox;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JTextField;
import org.apache.cayenne.configuration.event.QueryEvent;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.ObjEntity;
import org.apache.cayenne.modeler.Application;
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.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.CapsStrategy;
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;
import com.jgoodies.forms.layout.RowSpec;
/**
*/
public class ProcedureQueryView extends JPanel {
private static final String DEFAULT_CAPS_LABEL = "Database Default";
private static final String LOWER_CAPS_LABEL = "Force Lower Case";
private static final String UPPER_CAPS_LABEL = "Force Upper Case";
private static final CapsStrategy[] LABEL_CAPITALIZATION = {
CapsStrategy.DEFAULT, CapsStrategy.LOWER, CapsStrategy.UPPER
};
private static final Map labelCapsLabels = new HashMap();
static {
labelCapsLabels.put(CapsStrategy.DEFAULT, DEFAULT_CAPS_LABEL);
labelCapsLabels.put(CapsStrategy.LOWER, LOWER_CAPS_LABEL);
labelCapsLabels.put(CapsStrategy.UPPER, UPPER_CAPS_LABEL);
}
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()) {
@Override
protected void updateModel(String text) {
setQueryName(text);
}
};
queryRoot = Application.getWidgetFactory().createUndoableComboBox();
queryRoot.setRenderer(CellRenderers.listRendererWithIcons());
properties = new ProcedureQueryPropertiesPanel(mediator);
// 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(), map);
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));
}
}
final class LabelCapsRenderer extends DefaultListCellRenderer {
public Component getListCellRendererComponent(
JList list,
Object object,
int arg2,
boolean arg3,
boolean arg4) {
object = labelCapsLabels.get(object);
return super.getListCellRendererComponent(list, object, arg2, arg3, arg4);
}
}
final class ProcedureQueryPropertiesPanel extends RawQueryPropertiesPanel {
private JComboBox labelCase;
ProcedureQueryPropertiesPanel(ProjectController mediator) {
super(mediator);
}
protected PanelBuilder createPanelBuilder() {
labelCase = Application.getWidgetFactory().createUndoableComboBox();
labelCase.setRenderer(new LabelCapsRenderer());
labelCase.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
Object value = labelCase.getModel().getSelectedItem();
setQueryProperty("columnNamesCapitalization", value);
}
});
PanelBuilder builder = super.createPanelBuilder();
RowSpec[] extraRows = RowSpec.decodeSpecs("3dlu, p");
for (RowSpec extraRow : extraRows) {
builder.appendRow(extraRow);
}
CellConstraints cc = new CellConstraints();
builder.addLabel("Row Label Case:", cc.xy(1, 17));
builder.add(labelCase, cc.xywh(3, 17, 5, 1));
return builder;
}
public void initFromModel(Query query) {
super.initFromModel(query);
if (query instanceof ProcedureQuery) {
ProcedureQuery template = (ProcedureQuery) query;
DefaultComboBoxModel labelCaseModel = new DefaultComboBoxModel(
LABEL_CAPITALIZATION);
labelCaseModel.setSelectedItem(template.getColumnNamesCapitalization());
labelCase.setModel(labelCaseModel);
}
}
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;
}
};
}
