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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.jmeter.control.gui;
import java.awt.Component;
import java.awt.Dimension;
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.Box;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JTree;
import javax.swing.SwingConstants;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.DefaultTreeSelectionModel;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;
import javax.swing.tree.TreeSelectionModel;
import org.apache.jmeter.control.Controller;
import org.apache.jmeter.control.ModuleController;
import org.apache.jmeter.control.TestFragmentController;
import org.apache.jmeter.gui.GUIMenuSortOrder;
import org.apache.jmeter.gui.GuiPackage;
import org.apache.jmeter.gui.TestElementMetadata;
import org.apache.jmeter.gui.tree.JMeterTreeNode;
import org.apache.jmeter.gui.util.MenuFactory;
import org.apache.jmeter.gui.util.MenuInfo;
import org.apache.jmeter.testelement.TestElement;
import org.apache.jmeter.testelement.TestPlan;
import org.apache.jmeter.threads.AbstractThreadGroup;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.gui.JFactory;
import org.apache.jorphan.gui.layout.VerticalLayout;
/**
* ModuleControllerGui provides UI for configuring ModuleController element.
* It contains filtered copy of test plan tree (called Module to run tree)
* in which target element can be specified by selecting node.
* Allowed types of elements in Module to run tree:
* - TestPlan - cannot be referenced
* - AbstractThreadGroup - cannot be referenced
* - Controller (except ModuleController)
* - TestFragmentController
*
*/
@GUIMenuSortOrder(MenuInfo.SORT_ORDER_DEFAULT+2)
@TestElementMetadata(labelResource = "module_controller_title")
public class ModuleControllerGui extends AbstractControllerGui implements ActionListener { // NOSONAR Ignore parent warning
private static final long serialVersionUID = -4195441608252523573L;
private static final String SEPARATOR = " > ";
private static final TreeNode[] EMPTY_TREE_NODES = new TreeNode[0];
private JMeterTreeNode selected = null;
/**
* Model of a Module to run tree. It is a copy of a test plan tree.
* User object of each element is set to a correlated JMeterTreeNode element of a test plan tree.
*/
private final DefaultTreeModel moduleToRunTreeModel;
/**
* Module to run tree. Allows to select a module to be executed. Many ModuleControllers can reference
* the same element.
*/
private final JTree moduleToRunTreeNodes;
/**
* Used in case if referenced element does not exist in test plan tree (after removing it for example)
*/
private final JLabel warningLabel;
/**
* Helps navigating test plan
*/
private JButton expandButton;
/**
* Use this to warn about no selectable controller
*/
private boolean hasAtLeastOneController;
/**
* Initializes the gui panel for the ModuleController instance.
*/
public ModuleControllerGui() {
moduleToRunTreeModel = new DefaultTreeModel(new DefaultMutableTreeNode());
moduleToRunTreeNodes = new JTree(moduleToRunTreeModel);
moduleToRunTreeNodes.setCellRenderer(new ModuleControllerCellRenderer());
// this custom TreeSelectionModel forbid the selection of some test elements (test plan, thread group, etc..)
TreeSelectionModel tsm = new DefaultTreeSelectionModel() {
private static final long serialVersionUID = 4062816201792954617L;
private boolean isSelectedPathAllowed(DefaultMutableTreeNode lastSelected) {
JMeterTreeNode tn = null;
if (lastSelected != null && lastSelected.getUserObject() instanceof JMeterTreeNode) {
tn = (JMeterTreeNode) lastSelected.getUserObject();
}
return tn != null && isTestElementAllowed(tn.getTestElement());
}
@Override
public void setSelectionPath(TreePath path) {
DefaultMutableTreeNode lastSelected = (DefaultMutableTreeNode) path.getLastPathComponent();
if (isSelectedPathAllowed(lastSelected)) {
super.setSelectionPath(path);
}
}
@Override
public void setSelectionPaths(TreePath[] pPaths) {
DefaultMutableTreeNode lastSelected = (DefaultMutableTreeNode) pPaths[pPaths.length-1].getLastPathComponent();
if (isSelectedPathAllowed(lastSelected)) {
super.setSelectionPaths(pPaths);
}
}
@Override
public void addSelectionPath(TreePath path) {
DefaultMutableTreeNode lastSelected = (DefaultMutableTreeNode) path.getLastPathComponent();
if (isSelectedPathAllowed(lastSelected)) {
super.addSelectionPath(path);
}
}
@Override
public void addSelectionPaths(TreePath[] paths) {
DefaultMutableTreeNode lastSelected = (DefaultMutableTreeNode) paths[paths.length-1].getLastPathComponent();
if (isSelectedPathAllowed(lastSelected)) {
super.addSelectionPaths(paths);
}
}
};
tsm.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
moduleToRunTreeNodes.setSelectionModel(tsm);
ImageIcon image = JMeterUtils.getImage("warning.png");
warningLabel = new JLabel("", image, SwingConstants.LEFT); // $NON-NLS-1$
JFactory.error(warningLabel);
warningLabel.setVisible(false);
init();
moduleToRunTreeNodes.addTreeSelectionListener(
evt -> {
warningLabel.setVisible(false);
expandButton.setEnabled(true);
});
}
/** {@inheritDoc}} */
@Override
public String getLabelResource() {
return "module_controller_title"; // $NON-NLS-1$
}
/** {@inheritDoc}} */
@Override
public void configure(TestElement el) {
super.configure(el);
hasAtLeastOneController = false;
ModuleController controller = (ModuleController) el;
this.selected = controller.getSelectedNode();
if (selected == null && controller.getNodePath() != null) {
warningLabel.setText(JMeterUtils.getResString("module_controller_warning") // $NON-NLS-1$
+ renderPath(controller.getNodePath()));
warningLabel.setVisible(true);
expandButton.setEnabled(false);
} else {
warningLabel.setVisible(false);
expandButton.setEnabled(true);
}
reinitialize();
}
private String renderPath(Collection path) {
Iterator iter = path.iterator();
StringBuilder buf = new StringBuilder();
boolean first = true;
while (iter.hasNext()) {
if (first) {
first = false;
iter.next();
continue;
}
buf.append(iter.next());
if (iter.hasNext()) {
buf.append(SEPARATOR); // $NON-NLS-1$
}
}
return buf.toString();
}
/** {@inheritDoc}} */
@Override
public TestElement createTestElement() {
ModuleController mc = new ModuleController();
configureTestElement(mc);
if (selected != null) {
mc.setSelectedNode(selected);
}
return mc;
}
/** {@inheritDoc}} */
@Override
public void modifyTestElement(TestElement element) {
configureTestElement(element);
JMeterTreeNode tn = null;
DefaultMutableTreeNode lastSelected =
(DefaultMutableTreeNode) this.moduleToRunTreeNodes.getLastSelectedPathComponent();
if (lastSelected != null && lastSelected.getUserObject() instanceof JMeterTreeNode) {
tn = (JMeterTreeNode) lastSelected.getUserObject();
}
if (tn != null) {
selected = tn;
// prevent from selecting thread group or test plan elements
if (isTestElementAllowed(selected.getTestElement())) {
((ModuleController) element).setSelectedNode(selected);
}
}
}
// check if a given test element can be selected as the target of a module controller
private static boolean isTestElementAllowed(TestElement testElement) {
return testElement != null
&& !(testElement instanceof AbstractThreadGroup)
&& !(testElement instanceof TestPlan);
}
/** {@inheritDoc}} */
@Override
public void clearGui() {
super.clearGui();
selected = null;
hasAtLeastOneController = false;
if(moduleToRunTreeModel != null) {
((DefaultMutableTreeNode) moduleToRunTreeModel.getRoot()).removeAllChildren();
}
if(moduleToRunTreeNodes != null) {
moduleToRunTreeNodes.clearSelection();
}
}
/** {@inheritDoc}} */
@Override
public JPopupMenu createPopupMenu() {
JPopupMenu menu = new JPopupMenu();
MenuFactory.addEditMenu(menu, true);
MenuFactory.addFileMenu(menu);
return menu;
}
private void init() { // WARNING: called from ctor so must not be overridden (i.e. must be private or final)
setLayout(new VerticalLayout(5, VerticalLayout.BOTH, VerticalLayout.TOP));
setBorder(makeBorder());
add(makeTitlePanel());
JPanel modulesPanel = new JPanel();
expandButton = new JButton(JMeterUtils.getResString("find_target_element")); //$NON-NLS-1$
expandButton.addActionListener(this);
modulesPanel.add(expandButton);
modulesPanel.setLayout(new BoxLayout(modulesPanel, BoxLayout.Y_AXIS));
modulesPanel.add(Box.createRigidArea(new Dimension(0,5)));
JLabel nodesLabel = new JLabel(JMeterUtils.getResString("module_controller_module_to_run")); // $NON-NLS-1$
modulesPanel.add(nodesLabel);
modulesPanel.add(warningLabel);
add(modulesPanel);
JPanel treePanel = new JPanel();
treePanel.setLayout(new FlowLayout(FlowLayout.LEFT));
treePanel.add(moduleToRunTreeNodes);
add(treePanel);
}
/**
* Recursively traverse module to run tree in order to find JMeterTreeNode element given by testPlanPath
* in a DefaultMutableTreeNode tree
*
* @param level - current search level
* @param testPlanPath - path of a test plan tree element
* @param parent - module to run tree parent element
*
* @return path of a found element
*/
private TreeNode[] findPathInTreeModel(
int level, TreeNode[] testPlanPath, DefaultMutableTreeNode parent)
{
if (level >= testPlanPath.length) {
return EMPTY_TREE_NODES;
}
int childCount = parent.getChildCount();
JMeterTreeNode searchedTreeNode =
(JMeterTreeNode) testPlanPath[level];
for (int i = 0; i < childCount; i++) {
DefaultMutableTreeNode child = (DefaultMutableTreeNode) parent.getChildAt(i);
JMeterTreeNode childUserObj = (JMeterTreeNode) child.getUserObject();
if (childUserObj.equals(searchedTreeNode)) {
if (level == (testPlanPath.length - 1)) {
return child.getPath();
} else {
return findPathInTreeModel(level + 1, testPlanPath, child);
}
}
}
return EMPTY_TREE_NODES;
}
/**
* Expand module to run tree to selected JMeterTreeNode and set selection path to it
* @param selected - referenced module to run
*/
private void focusSelectedOnTree(JMeterTreeNode selected)
{
TreeNode[] path = selected.getPath();
TreeNode[] filteredPath = new TreeNode[path.length-1];
//ignore first element of path - WorkBench, (why WorkBench is appearing in the path ???)
System.arraycopy(path, 1, filteredPath, 0, path.length - 1);
DefaultMutableTreeNode root = (DefaultMutableTreeNode) moduleToRunTreeNodes.getModel().getRoot();
//treepath of test plan tree and module to run tree cannot be compared directly - moduleToRunTreeModel.getPathToRoot()
//custom method for finding an JMeterTreeNode element in DefaultMutableTreeNode have to be used
TreeNode[] dmtnPath = this.findPathInTreeModel(1, filteredPath, root);
if (dmtnPath.length > 0) {
TreePath treePath = new TreePath(dmtnPath);
moduleToRunTreeNodes.setSelectionPath(treePath);
moduleToRunTreeNodes.scrollPathToVisible(treePath);
}
}
/**
* Reinitializes the visual representation of JMeter Tree keeping only the Controllers, Test Fragment, Thread Groups, Test Plan
*
*
Rebuilds moduleToRunTreeModel
*
selects the node referenced by ModuleController
*
Updates warning label
*
*/
private void reinitialize() {
((DefaultMutableTreeNode) moduleToRunTreeModel.getRoot()).removeAllChildren();
GuiPackage gp = GuiPackage.getInstance();
JMeterTreeNode root;
if (gp != null) {
root = (JMeterTreeNode) GuiPackage.getInstance().getTreeModel().getRoot();
buildTreeNodeModel(root, 0, null);
moduleToRunTreeModel.nodeStructureChanged((TreeNode) moduleToRunTreeModel.getRoot());
}
if (selected != null) {
//expand Module to run tree to selected node and set selection path to it
this.focusSelectedOnTree(selected);
}
if (!hasAtLeastOneController) {
warningLabel.setText(JMeterUtils.getResString("module_controller_warning_no_controller"));
warningLabel.setVisible(true);
}
}
/**
* Recursively build module to run tree.
* Only 4 types of elements are allowed to be added:
*
*
All controllers except ModuleController
*
TestPlan
*
TestFragmentController
*
AbstractThreadGroup
*
* @param node - element of test plan tree
* @param level - level of element in a tree
* @param parent
*/
private void buildTreeNodeModel(JMeterTreeNode node, int level,
DefaultMutableTreeNode parent) {
if (node != null) {
for (int i = 0; i < node.getChildCount(); i++) {
JMeterTreeNode cur = (JMeterTreeNode) node.getChildAt(i);
TestElement te = cur.getTestElement();
if (te instanceof TestFragmentController
|| te instanceof AbstractThreadGroup
|| (te instanceof Controller
&& !(te instanceof ModuleController) && level > 0)) {
DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(cur);
parent.add(newNode);
buildTreeNodeModel(cur, level + 1, newNode);
final boolean isController = te instanceof Controller
&& !(te instanceof ModuleController
|| te instanceof AbstractThreadGroup);
hasAtLeastOneController =
hasAtLeastOneController || isController;
} else if (te instanceof TestPlan) {
((DefaultMutableTreeNode) moduleToRunTreeModel.getRoot())
.setUserObject(cur);
buildTreeNodeModel(cur, level,
(DefaultMutableTreeNode) moduleToRunTreeModel.getRoot());
}
}
}
}
/**
* Implementation of Expand button:
* moves focus to a test plan tree element referenced by selected element in Module to run tree
*/
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == expandButton) {
DefaultMutableTreeNode currentSelectedNodeInMC = (DefaultMutableTreeNode)
this.moduleToRunTreeNodes.getLastSelectedPathComponent();
JMeterTreeNode nodeToExpandInTestPlanTree = null;
if (currentSelectedNodeInMC != null && currentSelectedNodeInMC.getUserObject() instanceof JMeterTreeNode){
nodeToExpandInTestPlanTree = (JMeterTreeNode) currentSelectedNodeInMC.getUserObject();
}
if (nodeToExpandInTestPlanTree != null){
TreePath treePath = new TreePath(nodeToExpandInTestPlanTree.getPath());
//changing selection in a test plan tree
GuiPackage.getInstance().getTreeListener().getJTree()
.setSelectionPath(treePath);
//expanding tree to make referenced element visible in test plan tree
GuiPackage.getInstance().getTreeListener().getJTree()
.scrollPathToVisible(treePath);
}
}
}
/**
* @param selected JMeterTreeNode tree node to expand
*/
protected void expandToSelectNode(JMeterTreeNode selected) {
GuiPackage guiInstance = GuiPackage.getInstance();
JTree jTree = guiInstance.getMainFrame().getTree();
jTree.expandPath(new TreePath(selected.getPath()));
selected.setMarkedBySearch(true);
}
/**
* Renderer class for printing "module to run" tree
*/
private static class ModuleControllerCellRenderer extends DefaultTreeCellRenderer { // NOSONAR Ignore parent warning
private static final long serialVersionUID = 1129098620102526299L;
/**
* @see javax.swing.tree.DefaultTreeCellRenderer#getTreeCellRendererComponent(javax.swing.JTree,
* java.lang.Object, boolean, boolean, boolean, int, boolean)
*/
@Override
public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded,
boolean leaf, int row, boolean hasFocus) {
JMeterTreeNode node = (JMeterTreeNode)((DefaultMutableTreeNode) value).getUserObject();
if (node != null){
super.getTreeCellRendererComponent(tree, node.getName(), selected, expanded, leaf, row,
hasFocus);
//print same icon as in test plan tree
boolean enabled = node.isEnabled();
ImageIcon icon = node.getIcon(enabled);
if (icon != null) {
if (enabled) {
setIcon(icon);
} else {
setDisabledIcon(icon);
}
}
else if (!enabled) { // i.e. no disabled icon found
// Must therefore set the enabled icon so there is at least some icon
icon = node.getIcon();
if (icon != null) {
setIcon(icon);
}
}
}
return this;
}
}
}
