/*
* 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.jmeter.control.gui;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Box;
import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import org.apache.jmeter.control.IfController;
import org.apache.jmeter.gui.util.FocusRequester;
import org.apache.jmeter.testelement.TestElement;
import org.apache.jmeter.util.JMeterUtils;
/**
* The user interface for a controller which specifies that its subcomponents
* should be executed while a condition holds. This component can be used
* standalone or embedded into some other component.
*
*/
public class IfControllerPanel extends AbstractControllerGui implements ActionListener {
/**
* A field allowing the user to specify the number of times the controller
* should loop.
*/
private JTextField theCondition;
private JCheckBox useExpression;
private JCheckBox evaluateAll;
/**
* Boolean indicating whether or not this component should display its name.
* If true, this is a standalone component. If false, this component is
* intended to be used as a subpanel for another component.
*/
private boolean displayName = true;
/**
* Create a new LoopControlPanel as a standalone component.
*/
public IfControllerPanel() {
this(true);
}
/**
* Create a new IfControllerPanel as either a standalone or an embedded
* component.
*
* @param displayName
* indicates whether or not this component should display its
* name. If true, this is a standalone component. If false, this
* component is intended to be used as a subpanel for another
* component.
*/
public IfControllerPanel(boolean displayName) {
this.displayName = displayName;
init();
}
/**
* A newly created component can be initialized with the contents of a Test
* Element object by calling this method. The component is responsible for
* querying the Test Element object for the relevant information to display
* in its GUI.
*
* @param element
* the TestElement to configure
*/
public void configure(TestElement element) {
super.configure(element);
if (element instanceof IfController) {
IfController ifController = (IfController) element;
theCondition.setText(ifController.getCondition());
evaluateAll.setSelected(ifController.isEvaluateAll());
useExpression.setSelected(ifController.isUseExpression());
}
}
/**
* Implements JMeterGUIComponent.createTestElement()
*/
public TestElement createTestElement() {
IfController controller = new IfController();
modifyTestElement(controller);
return controller;
}
/**
* Implements JMeterGUIComponent.modifyTestElement(TestElement)
*/
public void modifyTestElement(TestElement controller) {
configureTestElement(controller);
if (controller instanceof IfController) {
IfController ifController = (IfController) controller;
ifController.setCondition(theCondition.getText());
ifController.setEvaluateAll(evaluateAll.isSelected());
ifController.setUseExpression(useExpression.isSelected());
}
}
/**
* Implements JMeterGUIComponent.clearGui
*/
public void clearGui() {
super.clearGui();
theCondition.setText(""); // $NON-NLS-1$
evaluateAll.setSelected(false);
}
/**
* Invoked when an action occurs. This implementation assumes that the
* target component is the infinite loops checkbox.
*
* @param event
* the event that has occurred
*/
public void actionPerformed(ActionEvent event) {
new FocusRequester(theCondition);
}
public String getLabelResource() {
return "if_controller_title"; // $NON-NLS-1$
}
/**
* Initialize the GUI components and layout for this component.
*/
private void init() {
// Standalone
if (displayName) {
setLayout(new BorderLayout(0, 5));
setBorder(makeBorder());
add(makeTitlePanel(), BorderLayout.NORTH);
JPanel mainPanel = new JPanel(new BorderLayout());
mainPanel.add(createConditionPanel(), BorderLayout.NORTH);
add(mainPanel, BorderLayout.CENTER);
} else {
// Embedded
setLayout(new BorderLayout());
add(createConditionPanel(), BorderLayout.NORTH);
}
}
/**
* Create a GUI panel containing the condition.
*
* @return a GUI panel containing the condition components
*/
private JPanel createConditionPanel() {
JPanel conditionPanel = new JPanel(new BorderLayout(5, 0));
// Condition LABEL
JLabel conditionLabel = new JLabel(JMeterUtils.getResString("if_controller_label")); // $NON-NLS-1$
conditionPanel.add(conditionLabel, BorderLayout.WEST);
// TEXT FIELD
theCondition = new JTextField(""); // $NON-NLS-1$
conditionLabel.setLabelFor(theCondition);
conditionPanel.add(theCondition, BorderLayout.CENTER);
theCondition.addActionListener(this);
conditionPanel.add(Box.createHorizontalStrut(conditionLabel.getPreferredSize().width
+ theCondition.getPreferredSize().width), BorderLayout.NORTH);
JPanel optionPanel = new JPanel();
// Use expression instead of Javascript
useExpression = new JCheckBox(JMeterUtils.getResString("if_controller_expression")); // $NON-NLS-1$
optionPanel.add(useExpression);
// Evaluate All checkbox
evaluateAll = new JCheckBox(JMeterUtils.getResString("if_controller_evaluate_all")); // $NON-NLS-1$
optionPanel.add(evaluateAll);
conditionPanel.add(optionPanel,BorderLayout.SOUTH);
return conditionPanel;
}
}