/*
* 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.config.gui;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Collection;
import java.util.Iterator;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.table.TableCellEditor;
import org.apache.jmeter.config.Argument;
import org.apache.jmeter.config.Arguments;
import org.apache.jmeter.gui.util.HeaderAsPropertyRenderer;
import org.apache.jmeter.testelement.TestElement;
import org.apache.jmeter.testelement.property.PropertyIterator;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.gui.ObjectTableModel;
import org.apache.jorphan.reflect.Functor;
/**
* A GUI panel allowing the user to enter name-value argument pairs. These
* arguments (or parameters) are usually used to provide configuration values
* for some other component.
*
*/
public class ArgumentsPanel extends AbstractConfigGui implements ActionListener {
/** The title label for this component. */
private JLabel tableLabel;
/** The table containing the list of arguments. */
private transient JTable table;
/** The model for the arguments table. */
protected transient ObjectTableModel tableModel;
/** A button for adding new arguments to the table. */
private JButton add;
/** A button for removing arguments from the table. */
private JButton delete;
/**
* Added background support for reporting tool
*/
private Color background;
/**
* Boolean indicating whether this component is a standalong component or it
* is intended to be used as a subpanel for another component.
*/
private boolean standalone = true;
/** Command for adding a row to the table. */
private static final String ADD = "add"; // $NON-NLS-1$
/** Command for removing a row from the table. */
private static final String DELETE = "delete"; // $NON-NLS-1$
public static final String COLUMN_RESOURCE_NAMES_0 = "name"; // $NON-NLS-1$
public static final String COLUMN_RESOURCE_NAMES_1 = "value"; // $NON-NLS-1$
/**
* Create a new ArgumentsPanel as a standalone component.
*/
public ArgumentsPanel() {
tableLabel = new JLabel(JMeterUtils.getResString("user_defined_variables")); // $NON-NLS-1$
standalone = true;
init();
}
/**
* Create a new ArgumentsPanel as an embedded component, using the specified
* title.
*
* @param label
* the title for the component.
*/
public ArgumentsPanel(String label) {
tableLabel = new JLabel(label);
standalone = false;
init();
}
/**
* Create a new ArgumentsPanel with a border and color background
* @param label text for label
* @param bkg background colour
*/
public ArgumentsPanel(String label, Color bkg) {
tableLabel = new JLabel(label);
this.background = bkg;
standalone = false;
init();
}
/**
* This is the list of menu categories this gui component will be available
* under.
*
* @return a Collection of Strings, where each element is one of the
* constants defined in MenuFactory
*/
public Collection getMenuCategories() {
if (standalone) {
return super.getMenuCategories();
}
return null;
}
public String getLabelResource() {
return "user_defined_variables"; // $NON-NLS-1$
}
/* Implements JMeterGUIComponent.createTestElement() */
public TestElement createTestElement() {
Arguments args = new Arguments();
modifyTestElement(args);
return args;
}
/* Implements JMeterGUIComponent.modifyTestElement(TestElement) */
public void modifyTestElement(TestElement args) {
stopTableEditing();
Iterator modelData = tableModel.iterator();
Arguments arguments = null;
if (args instanceof Arguments) {
arguments = (Arguments) args;
arguments.clear();
while (modelData.hasNext()) {
Argument arg = (Argument) modelData.next();
arg.setMetaData("="); // $NON-NLS-1$
arguments.addArgument(arg);
}
}
this.configureTestElement(args);
}
/**
* 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 el
* the TestElement to configure
*/
public void configure(TestElement el) {
super.configure(el);
if (el instanceof Arguments) {
tableModel.clearData();
PropertyIterator iter = ((Arguments) el).iterator();
while (iter.hasNext()) {
Argument arg = (Argument) iter.next().getObjectValue();
tableModel.addRow(arg);
}
}
checkDeleteStatus();
}
/**
* Get the table used to enter arguments.
*
* @return the table used to enter arguments
*/
protected JTable getTable() {
return table;
}
/**
* Get the title label for this component.
*
* @return the title label displayed with the table
*/
protected JLabel getTableLabel() {
return tableLabel;
}
/**
* Get the button used to delete rows from the table.
*
* @return the button used to delete rows from the table
*/
protected JButton getDeleteButton() {
return delete;
}
/**
* Get the button used to add rows to the table.
*
* @return the button used to add rows to the table
*/
protected JButton getAddButton() {
return add;
}
/**
* Enable or disable the delete button depending on whether or not there is
* a row to be deleted.
*/
protected void checkDeleteStatus() {
// Disable DELETE if there are no rows in the table to delete.
if (tableModel.getRowCount() == 0) {
delete.setEnabled(false);
} else {
delete.setEnabled(true);
}
}
public void clearGui(){
super.clearGui();
clear();
}
/**
* Clear all rows from the table. T.Elanjchezhiyan(chezhiyan@siptech.co.in)
*/
public void clear() {
stopTableEditing();
tableModel.clearData();
}
/**
* Invoked when an action occurs. This implementation supports the add and
* delete buttons.
*
* @param e
* the event that has occurred
*/
public void actionPerformed(ActionEvent e) {
String action = e.getActionCommand();
if (action.equals(DELETE)) {
deleteArgument();
} else if (action.equals(ADD)) {
addArgument();
}
}
/**
* Remove the currently selected argument from the table.
*/
protected void deleteArgument() {
// If a table cell is being edited, we must cancel the editing before
// deleting the row
if (table.isEditing()) {
TableCellEditor cellEditor = table.getCellEditor(table.getEditingRow(), table.getEditingColumn());
cellEditor.cancelCellEditing();
}
int rowSelected = table.getSelectedRow();
if (rowSelected >= 0) {
tableModel.removeRow(rowSelected);
tableModel.fireTableDataChanged();
// Disable DELETE if there are no rows in the table to delete.
if (tableModel.getRowCount() == 0) {
delete.setEnabled(false);
}
// Table still contains one or more rows, so highlight (select)
// the appropriate one.
else {
int rowToSelect = rowSelected;
if (rowSelected >= tableModel.getRowCount()) {
rowToSelect = rowSelected - 1;
}
table.setRowSelectionInterval(rowToSelect, rowToSelect);
}
}
}
/**
* Add a new argument row to the table.
*/
protected void addArgument() {
// If a table cell is being edited, we should accept the current value
// and stop the editing before adding a new row.
stopTableEditing();
tableModel.addRow(makeNewArgument());
// Enable DELETE (which may already be enabled, but it won't hurt)
delete.setEnabled(true);
// Highlight (select) the appropriate row.
int rowToSelect = tableModel.getRowCount() - 1;
table.setRowSelectionInterval(rowToSelect, rowToSelect);
}
/**
* Create a new Argument object.
*
* @return a new Argument object
*/
protected Object makeNewArgument() {
return new Argument("", ""); // $NON-NLS-1$ // $NON-NLS-2$
}
/**
* Stop any editing that is currently being done on the table. This will
* save any changes that have already been made.
*/
protected void stopTableEditing() {
if (table.isEditing()) {
TableCellEditor cellEditor = table.getCellEditor(table.getEditingRow(), table.getEditingColumn());
cellEditor.stopCellEditing();
}
}
/**
* Initialize the table model used for the arguments table.
*/
protected void initializeTableModel() {
tableModel = new ObjectTableModel(new String[] { COLUMN_RESOURCE_NAMES_0, COLUMN_RESOURCE_NAMES_1 },
Argument.class,
new Functor[] {
new Functor("getName"), // $NON-NLS-1$
new Functor("getValue") }, // $NON-NLS-1$
new Functor[] {
new Functor("setName"), // $NON-NLS-1$
new Functor("setValue") }, // $NON-NLS-1$
new Class[] { String.class, String.class });
}
public static boolean testFunctors(){
ArgumentsPanel instance = new ArgumentsPanel();
instance.initializeTableModel();
return instance.tableModel.checkFunctors(null,instance.getClass());
}
/**
* Resize the table columns to appropriate widths.
*
* @param _table
* the table to resize columns for
*/
protected void sizeColumns(JTable _table) {
}
/**
* Create the main GUI panel which contains the argument table.
*
* @return the main GUI panel
*/
private Component makeMainPanel() {
initializeTableModel();
table = new JTable(tableModel);
table.getTableHeader().setDefaultRenderer(new HeaderAsPropertyRenderer());
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
if (this.background != null) {
table.setBackground(this.background);
}
return makeScrollPane(table);
}
/**
* Create a panel containing the title label for the table.
*
* @return a panel containing the title label
*/
protected Component makeLabelPanel() {
JPanel labelPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
labelPanel.add(tableLabel);
if (this.background != null) {
labelPanel.setBackground(this.background);
}
return labelPanel;
}
/**
* Create a panel containing the add and delete buttons.
*
* @return a GUI panel containing the buttons
*/
private JPanel makeButtonPanel() {
add = new JButton(JMeterUtils.getResString("add")); // $NON-NLS-1$
add.setActionCommand(ADD);
add.setEnabled(true);
delete = new JButton(JMeterUtils.getResString("delete")); // $NON-NLS-1$
delete.setActionCommand(DELETE);
checkDeleteStatus();
JPanel buttonPanel = new JPanel();
buttonPanel.setBorder(BorderFactory.createEmptyBorder(0, 10, 0, 10));
if (this.background != null) {
buttonPanel.setBackground(this.background);
}
add.addActionListener(this);
delete.addActionListener(this);
buttonPanel.add(add);
buttonPanel.add(delete);
return buttonPanel;
}
/**
* Initialize the components and layout of this component.
*/
private void init() {
JPanel p = this;
if (standalone) {
setLayout(new BorderLayout(0, 5));
setBorder(makeBorder());
add(makeTitlePanel(), BorderLayout.NORTH);
p = new JPanel();
}
p.setLayout(new BorderLayout());
p.add(makeLabelPanel(), BorderLayout.NORTH);
p.add(makeMainPanel(), BorderLayout.CENTER);
// Force a minimum table height of 70 pixels
p.add(Box.createVerticalStrut(70), BorderLayout.WEST);
p.add(makeButtonPanel(), BorderLayout.SOUTH);
if (standalone) {
add(p, BorderLayout.CENTER);
}
table.revalidate();
sizeColumns(table);
}
}