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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.
****************************************************************/
package org.apache.cayenne.modeler.editor;
import java.awt.BorderLayout;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.EventObject;
import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import org.apache.cayenne.configuration.DataChannelDescriptor;
import org.apache.cayenne.configuration.event.ProcedureEvent;
import org.apache.cayenne.map.Procedure;
import org.apache.cayenne.modeler.ProjectController;
import org.apache.cayenne.modeler.event.ProcedureDisplayEvent;
import org.apache.cayenne.modeler.event.ProcedureDisplayListener;
import org.apache.cayenne.modeler.util.ProjectUtil;
import org.apache.cayenne.modeler.util.TextAdapter;
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;
/**
* A panel for editing stored procedure general settings, such as name, schema, etc.
*
*/
public class ProcedureTab extends JPanel implements ProcedureDisplayListener,
ExistingSelectionProcessor {
protected ProjectController eventController;
protected TextAdapter name;
protected TextAdapter schema;
protected JCheckBox returnsValue;
protected boolean ignoreChange;
public ProcedureTab(ProjectController eventController) {
this.eventController = eventController;
initView();
initController();
}
private void initView() {
// create widgets
this.name = new TextAdapter(new JTextField()) {
protected void updateModel(String text) {
setProcedureName(text);
}
};
this.schema = new TextAdapter(new JTextField()) {
protected void updateModel(String text) {
setSchema(text);
}
};
this.returnsValue = new JCheckBox();
JLabel returnValueHelp = new JLabel("(first parameter will be used as return value)");
returnValueHelp.setFont(returnValueHelp.getFont().deriveFont(10));
// assemble
FormLayout layout = new FormLayout(
"right:max(50dlu;pref), 3dlu, left:max(20dlu;pref), 3dlu, fill:150dlu",
"p, 3dlu, p, 3dlu, p, 3dlu, p");
CellConstraints cc = new CellConstraints();
PanelBuilder builder = new PanelBuilder(layout);
builder.setDefaultDialogBorder();
builder.addSeparator("Stored Procedure Configuration", cc.xywh(1, 1, 5, 1));
builder.addLabel("Procedure Name:", cc.xy(1, 3));
builder.add(name.getComponent(), cc.xywh(3, 3, 3, 1));
builder.addLabel("Schema:", cc.xy(1, 5));
builder.add(schema.getComponent(), cc.xywh(3, 5, 3, 1));
builder.addLabel("Returns Value:", cc.xy(1, 7));
builder.add(returnsValue, cc.xy(3, 7));
builder.add(returnValueHelp, cc.xy(5, 7));
this.setLayout(new BorderLayout());
this.add(builder.getPanel(), BorderLayout.CENTER);
}
private void initController() {
returnsValue.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
Procedure procedure = eventController.getCurrentProcedure();
if (procedure != null && !ignoreChange) {
procedure.setReturningValue(returnsValue.isSelected());
eventController.fireProcedureEvent(new ProcedureEvent(
ProcedureTab.this,
procedure));
}
}
});
eventController.addProcedureDisplayListener(this);
}
public void processExistingSelection(EventObject e) {
ProcedureDisplayEvent pde = new ProcedureDisplayEvent(
this,
eventController.getCurrentProcedure(),
eventController.getCurrentDataMap(),
(DataChannelDescriptor)eventController.getProject().getRootNode());
eventController.fireProcedureDisplayEvent(pde);
}
/**
* Invoked when currently selected Procedure object is changed.
*/
public synchronized void currentProcedureChanged(ProcedureDisplayEvent e) {
Procedure procedure = e.getProcedure();
if (procedure == null || !e.isProcedureChanged()) {
return;
}
name.setText(procedure.getName());
schema.setText(procedure.getSchema());
ignoreChange = true;
returnsValue.setSelected(procedure.isReturningValue());
ignoreChange = false;
}
void setProcedureName(String newName) {
if (newName != null && newName.trim().length() == 0) {
newName = null;
}
Procedure procedure = eventController.getCurrentProcedure();
if (procedure == null || Util.nullSafeEquals(newName, procedure.getName())) {
return;
}
if (newName == null) {
throw new ValidationException("Procedure name is required.");
}
else if (procedure.getDataMap().getProcedure(newName) == null) {
// completely new name, set new name for entity
ProcedureEvent e = new ProcedureEvent(this, procedure, procedure.getName());
ProjectUtil.setProcedureName(procedure.getDataMap(), procedure, newName);
eventController.fireProcedureEvent(e);
}
else {
// there is an entity with the same name
throw new ValidationException("There is another procedure with name '"
+ newName
+ "'.");
}
}
void setSchema(String text) {
if (text != null && text.trim().length() == 0) {
text = null;
}
Procedure procedure = eventController.getCurrentProcedure();
if (procedure != null && !Util.nullSafeEquals(procedure.getSchema(), text)) {
procedure.setSchema(text);
eventController.fireProcedureEvent(new ProcedureEvent(this, procedure));
}
}
}
