/* * Licensed Materials - Property of Rogue Wave Software, Inc. * © Copyright Rogue Wave Software, Inc. 2014, 2015 * © Copyright IBM Corp. 2009, 2014 * © Copyright ILOG 1996, 2009 * All Rights Reserved. * * Note to U.S. Government Users Restricted Rights: * The Software and Documentation were developed at private expense and * are "Commercial Items" as that term is defined at 48 CFR 2.101, * consisting of "Commercial Computer Software" and * "Commercial Computer Software Documentation", as such terms are * used in 48 CFR 12.212 or 48 CFR 227.7202-1 through 227.7202-4, * as applicable. */ import ilog.views.IlvGrapher; import ilog.views.IlvGraphic; import ilog.views.IlvGraphicEnumeration; import ilog.views.IlvLinkImage; import ilog.views.IlvDirection; import ilog.views.IlvHandlesSelection; import ilog.views.IlvManagerView; import ilog.views.IlvTransformer; import ilog.views.interactor.IlvSelectInteractor; import ilog.views.interactor.IlvZoomViewInteractor; import ilog.views.swing.IlvJScrollManagerView; import ilog.views.swing.IlvJManagerViewControlBar; import ilog.views.graphlayout.IlvGraphLayout; import ilog.views.graphlayout.IlvGraphLayoutReport; import ilog.views.graphlayout.IlvGraphLayoutException; import ilog.views.graphlayout.IlvGrapherAdapter; import ilog.views.graphlayout.GraphLayoutEvent; import ilog.views.graphlayout.GraphLayoutEventListener; import ilog.views.graphlayout.random.IlvRandomLayout; import ilog.views.graphlayout.hierarchical.IlvHierarchicalLayout; import ilog.views.util.IlvProductUtil; import ilog.views.util.IlvResourceUtil; import ilog.views.util.IlvLocaleUtil; import ilog.views.util.swing.IlvSwingUtil; import ilog.views.util.swing.IlvJSpinnerDecimalNumberField; import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.util.*; import java.net.*; import java.io.*; import java.text.*; /** * This is a very simple applet/application that uses the * <code>IlvGrapher</code> to perform a hierarchical layout. * It shows how to use hierarchical layout in applications that are not based * on CSS styling. */ public class HierarchicalLayoutApplet extends JApplet { static { // This applet is designed to run only with default resource bundle // and various selected other resource bundles. // Setting the available resource suffixes avoids that the applet // tries to load resource bundles for other locales over the net, // even if the current locale of the browser is different. if (IlvResourceUtil.isInApplet()) IlvResourceUtil.setAvailableResourceSuffixes("", "_ja"); // Test code whether the demo works in RTL locales // Locale newLocale = new Locale("he"); // IlvSwingUtil.setDefaultLocale(newLocale); } { // This sample uses JViews Diagrammer features. When deploying an // application that includes this code, you need to be in possession // of a JViews Diagrammer Deployment license. IlvProductUtil.DeploymentLicenseRequired( IlvProductUtil.JViews_Diagrammer_Deployment); } /** The grapher */ IlvGrapher grapher = new IlvGrapher(); /** The grapher adapter for layout */ IlvGrapherAdapter adapter = new IlvGrapherAdapter(grapher); /** The view of the grapher */ IlvManagerView mgrview = new IlvManagerView(grapher); /** An instance of the Hierarchical Layout algorithm */ IlvHierarchicalLayout layout = new IlvHierarchicalLayout(); /** An instance of the Random Layout algorithm */ IlvRandomLayout randomLayout = new IlvRandomLayout(); /** A graph layout event listener */ LayoutIterationListener layoutListener = new LayoutIterationListener(); /** A text field to display messages */ JTextField msgLine = new JTextField(); /** The flow direction selector */ JComboBox flowDirectionSelector = new JComboBox(); /** The link style selector */ JComboBox linkStyleSelector = new JComboBox(); /** Text fields for the offset parameters */ IlvJSpinnerDecimalNumberField horiNodeOffset = new IlvJSpinnerDecimalNumberField(0, 200, 40.0, true, 6, 5); IlvJSpinnerDecimalNumberField vertNodeOffset = new IlvJSpinnerDecimalNumberField(0, 200, 40.0, true, 6, 5); IlvJSpinnerDecimalNumberField horiLinkOffset = new IlvJSpinnerDecimalNumberField(0, 200, 15.0, true, 6, 5); IlvJSpinnerDecimalNumberField vertLinkOffset = new IlvJSpinnerDecimalNumberField(0, 200, 15.0, true, 6, 5); IlvJSpinnerDecimalNumberField horiNodeLinkOffset = new IlvJSpinnerDecimalNumberField(0, 200, 20.0, true, 6, 5); IlvJSpinnerDecimalNumberField vertNodeLinkOffset = new IlvJSpinnerDecimalNumberField(0, 200, 20.0, true, 6, 5); /** * Initializes the applet/application. */ public void init() { showMessage(getString("InitMessage")); super.init(); // attach the grapher to the layout instances layout.attach(adapter); randomLayout.attach(adapter); // install the layout iteration listener on the layout instance layout.addGraphLayoutEventListener(layoutListener); // change the default flow direction layout.setFlowDirection(IlvDirection.Right); // use manager coordinates layout.setCoordinatesMode(IlvGraphLayout.MANAGER_COORDINATES); randomLayout.setCoordinatesMode(IlvGraphLayout.MANAGER_COORDINATES); // create the scroll manager view IlvJScrollManagerView scrollManView = new IlvJScrollManagerView(mgrview); // Some settings on the manager view and on the scroll manager view mgrview.setAntialiasing(true); mgrview.setKeepingAspectRatio(true); mgrview.setBackground(Color.white); mgrview.setForeground(SystemColor.windowText); Color xc = SystemColor.windowText; xc = new Color(255-xc.getRed(), 255-xc.getGreen(), 255-xc.getBlue()); mgrview.setDefaultXORColor(xc); mgrview.setDefaultGhostColor(SystemColor.windowText); mgrview.setZoomFactorRange(0.02, 10.0); mgrview.setWheelZoomingEnabled(true); scrollManView.setWheelScrollingEnabled(true); // Settings parameters for selection handles IlvHandlesSelection.defaultHandleColor = Color.black; IlvHandlesSelection.defaultHandleBackgroundColor = Color.white; IlvHandlesSelection.defaultHandleShape = IlvHandlesSelection.SQUARE_SHAPE; // create the standard control bar IlvJManagerViewControlBar controlBar = new IlvJManagerViewControlBar(); controlBar.setView(mgrview); // modify the interactors such that the demo looks better ((IlvSelectInteractor)controlBar.getSelectInteractor()).setOpaqueMove(true); ((IlvZoomViewInteractor)controlBar.getZoomViewInteractor()).setPermanent(true); // set the initial interactor mgrview.setInteractor(controlBar.getSelectInteractor()); // create the graph selector JComboBox fileSelector = new JComboBox(); fileSelector.addItem("small"); fileSelector.addItem("medium"); fileSelector.addItem("large"); fileSelector.addItem("huge"); fileSelector.addItem("ports1"); fileSelector.addItem("ports2"); fileSelector.setToolTipText(getString("fileChooser.Tooltip")); fileSelector.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { JComboBox comboBox = (JComboBox)event.getSource(); String fileName = (String)comboBox.getSelectedItem(); loadGrapher(fileName); } }); // create the randomize button JButton randomizeButton = new JButton(getString("RandomizeButton.Label")); randomizeButton.setToolTipText(getString("RandomizeButton.Tooltip")); randomizeButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { layout(randomLayout, grapher); }}); // create the layout button JButton layoutButton = new JButton(getString("LayoutButton.Label")); layoutButton.setToolTipText(getString("LayoutButton.Tooltip")); layoutButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { // before performing layout, make sure that the values in the text // fields are transfered to the style sheet setOffset("horizontalNodeOffset", horiNodeOffset); setOffset("verticalNodeOffset", vertNodeOffset); setOffset("horizontalLinkOffset", horiLinkOffset); setOffset("verticalLinkOffset", vertLinkOffset); setOffset("horizontalNodeLinkOffset", horiNodeLinkOffset); setOffset("verticalNodeLinkOffset", vertNodeLinkOffset); // now the layout layout(layout, grapher); }}); // create the panel for the layout buttons JPanel layoutButtonPanel = new JPanel(); layoutButtonPanel.setLayout(new FlowLayout()); layoutButtonPanel.add(randomizeButton); layoutButtonPanel.add(layoutButton); // create the top panel with the toolbar and the file selector JPanel topPanel = new JPanel(); topPanel.setLayout(new FlowLayout(FlowLayout.LEADING)); topPanel.add(controlBar); topPanel.add(new JLabel(getString("fileChooser.Label"))); topPanel.add(fileSelector); // create the bottom panel with the layout buttons and the message line JPanel bottomPanel = new JPanel(); bottomPanel.setLayout(new BorderLayout()); bottomPanel.add(layoutButtonPanel, BorderLayout.NORTH); bottomPanel.add(createParameterPanel(), BorderLayout.CENTER); bottomPanel.add(msgLine, BorderLayout.SOUTH); msgLine.setEditable(false); // put manager view, top panel and bottom panel together getContentPane().setLayout(new BorderLayout(0, 0)); getContentPane().add(scrollManView, BorderLayout.CENTER); getContentPane().add(topPanel, BorderLayout.NORTH); getContentPane().add(bottomPanel, BorderLayout.SOUTH); // set the component orientation according to the locale Locale loc = IlvSwingUtil.getDefaultLocale(); ComponentOrientation co = ComponentOrientation.getOrientation(loc); getContentPane().applyComponentOrientation(co); // load a sample grapher loadGrapher("small"); } /** * Called when this applet is being reclaimed in order to destroy * any resources that it has allocated. */ public void destroy() { super.destroy(); // This method is intended to workaround memory management issues // in the Sun JRE. Please refer to the method documentation for more // details and a description of the known issues. IlvSwingUtil.cleanupApplet(); } /** * Creates the layout parameter panel. */ private JPanel createParameterPanel() { JPanel panel = new JPanel(); GridBagLayout gridbag = new GridBagLayout(); GridBagConstraints c = new GridBagConstraints(); c.fill = GridBagConstraints.HORIZONTAL; c.anchor = GridBagConstraints.LINE_END; c.insets = new Insets(1,0,1,0); panel.setLayout(gridbag); // link style parameter c.gridx = 0; c.gridy = 1; panel.add(new JLabel(getString("linkStyleSelector.Label")), c); c.gridx = 1; panel.add(linkStyleSelector, c); linkStyleSelector.addItem(getString("linkStyleSelector.PolyMode")); linkStyleSelector.addItem(getString("linkStyleSelector.OrthMode")); linkStyleSelector.addItem(getString("linkStyleSelector.StraightMode")); linkStyleSelector.setSelectedIndex(0); linkStyleSelector.setToolTipText(getString("linkStyleSelector.Tooltip")); linkStyleSelector.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { JComboBox comboBox = (JComboBox)event.getSource(); String style = (String)comboBox.getSelectedItem(); setGlobalLinkStyle(style); } }); // flow direction parameter c.gridx = 0; c.gridy = 2; panel.add(new JLabel(getString("flowDirectionSelector.Label")), c); c.gridx = 1; panel.add(flowDirectionSelector, c); flowDirectionSelector.addItem(getString("flowDirectionSelector.TopMode")); flowDirectionSelector.addItem(getString("flowDirectionSelector.BottomMode")); flowDirectionSelector.addItem(getString("flowDirectionSelector.LeftMode")); flowDirectionSelector.addItem(getString("flowDirectionSelector.RightMode")); flowDirectionSelector.setSelectedIndex(3); flowDirectionSelector.setToolTipText(getString("flowDirectionSelector.Tooltip")); flowDirectionSelector.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { JComboBox comboBox = (JComboBox)event.getSource(); String flow = (String)comboBox.getSelectedItem(); setFlowDirection(flow); } }); // hierarchical layout offset parameters c.gridx = 3; c.gridy = 0; panel.add(new JLabel(getString("offsetHorizontalHeader.Label")), c); c.gridy = 1; panel.add(horiNodeOffset, c); c.gridy = 2; panel.add(horiNodeLinkOffset, c); c.gridy = 3; panel.add(horiLinkOffset, c); c.gridx = 4; c.gridy = 0; c.insets = new Insets(0, 5, 0, 0); panel.add(new JLabel(getString("offsetVerticalHeader.Label")), c); c.gridy = 1; panel.add(vertNodeOffset, c); c.gridy = 2; panel.add(vertNodeLinkOffset, c); c.gridy = 3; panel.add(vertLinkOffset, c); c.gridx = 2; c.gridy = 0; c.insets = new Insets(0, 25, 0, 0); panel.add(new JLabel(getString("offsets.Label")), c); c.gridy = 1; panel.add(new JLabel(getString("nodeOffset.Label")), c); c.gridy = 2; panel.add(new JLabel(getString("nodeLinkOffset.Label")), c); c.gridy = 3; panel.add(new JLabel(getString("linkOffset.Label")), c); horiNodeOffset.setToolTipText( getString("nodeOffset.horiz.Tooltip")); horiNodeOffset.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { setOffset("horizontalNodeOffset", (IlvJSpinnerDecimalNumberField)e.getSource()); } }); horiNodeLinkOffset.setToolTipText( getString("nodeLinkOffset.horiz.Tooltip")); horiNodeLinkOffset.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { setOffset("horizontalNodeLinkOffset", (IlvJSpinnerDecimalNumberField)e.getSource()); } }); horiLinkOffset.setToolTipText( getString("linkOffset.horiz.Tooltip")); horiLinkOffset.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { setOffset("horizontalLinkOffset", (IlvJSpinnerDecimalNumberField)e.getSource()); } }); vertNodeOffset.setToolTipText( getString("nodeOffset.vert.Tooltip")); vertNodeOffset.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { setOffset("verticalNodeOffset", (IlvJSpinnerDecimalNumberField)e.getSource()); } }); vertNodeLinkOffset.setToolTipText( getString("nodeLinkOffset.vert.Tooltip")); vertNodeLinkOffset.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { setOffset("verticalNodeLinkOffset", (IlvJSpinnerDecimalNumberField)e.getSource()); } }); vertLinkOffset.setToolTipText( getString("linkOffset.vert.Tooltip")); vertLinkOffset.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { setOffset("verticalLinkOffset", (IlvJSpinnerDecimalNumberField)e.getSource()); } }); return panel; } /** * Sets the flow direction. */ private void setFlowDirection(String flow) { if (flow.equals(getString("flowDirectionSelector.TopMode"))) layout.setFlowDirection(IlvDirection.Top); else if (flow.equals(getString("flowDirectionSelector.BottomMode"))) layout.setFlowDirection(IlvDirection.Bottom); else if (flow.equals(getString("flowDirectionSelector.LeftMode"))) layout.setFlowDirection(IlvDirection.Left); else if (flow.equals(getString("flowDirectionSelector.RightMode"))) layout.setFlowDirection(IlvDirection.Right); } /** * Sets the global link style. */ private void setGlobalLinkStyle(String style) { if (style.equals(getString("linkStyleSelector.OrthMode"))) layout.setGlobalLinkStyle(IlvHierarchicalLayout.ORTHOGONAL_STYLE); else if (style.equals(getString("linkStyleSelector.StraightMode"))) layout.setGlobalLinkStyle(IlvHierarchicalLayout.STRAIGHT_LINE_STYLE); else if (style.equals(getString("linkStyleSelector.PolyMode"))) layout.setGlobalLinkStyle(IlvHierarchicalLayout.POLYLINE_STYLE); } /** * Sets the sibling, branch or parent/child offset from a textfield. */ private void setOffset(String property, IlvJSpinnerDecimalNumberField valueSelector) { float value = (float)valueSelector.getDoubleValue(); try { // set the new value of the layout property if (property.equals("horizontalNodeOffset")) layout.setHorizontalNodeOffset(value); else if (property.equals("verticalNodeOffset")) layout.setVerticalNodeOffset(value); else if (property.equals("horizontalLinkOffset")) layout.setHorizontalLinkOffset(value); else if (property.equals("verticalLinkOffset")) layout.setVerticalLinkOffset(value); else if (property.equals("horizontalNodeLinkOffset")) layout.setHorizontalNodeLinkOffset(value); else if (property.equals("verticalNodeLinkOffset")) layout.setVerticalNodeLinkOffset(value); } catch (Exception ex) { showMessage(ex.getMessage()); } } /** * Performs the layout of the graph. */ private void layout(IlvGraphLayout layout, IlvGrapher grapher) { // the layout report instance; this is an object in which // the layout algorithm stores information about its behavior IlvGraphLayoutReport layoutReport = null; showMessage(getString("LayoutStartMessage")); // initialize the iteration listener layoutListener.initialize(); try { // perform the layout and get the layout report layoutReport = layout.performLayout(false, false); // print the code from the layout report showMessage(getString("LayoutDoneMessage"), layoutReport.codeToString(layoutReport.getCode(), IlvLocaleUtil.getCurrentULocale())); } catch (IlvGraphLayoutException e) { // e.printStackTrace(); showMessage(e.getMessage()); } finally { if (layoutReport != null && layoutReport.getCode() != IlvGraphLayoutReport.NOT_NEEDED) { // show all mgrview.fitTransformerToContent(); mgrview.repaint(); } } } /** * Load a sample IVL file. * @param fileNameBase The base of the filename, excluding the path prefix * and the extension suffix. */ private void loadGrapher(String fileNameBase) { try { showMessage(getString("FileReadingStartMessage"), fileNameBase); grapher.deleteAll(false); try { grapher.read( IlvSwingUtil.getRelativeURL(this, "data/" + fileNameBase + ".ivl")); } catch (Exception ex1) { // This case occurs only when we pack the entire application into // one jar including the data files, and start as application grapher.read(getClass().getResource("data/" + fileNameBase + ".ivl")); } adapter.loadParametersFromNamedProperties(layout); validateParameters(); // the transformer may have been modified, so // we set the identity transformer mgrview.setTransformer(new IlvTransformer()); grapher.reDraw(); showMessage(getString("FileReadingDoneMessage"), fileNameBase); } catch (Exception e) { // e.printStackTrace(); showMessage(e.getMessage()); } } /** * Sets the offset fields and link style to the current values of layout. */ void validateParameters() { layout.setSelfLinkFromPortSide(IlvHierarchicalLayout.SOUTH); layout.setSelfLinkToPortSide(IlvHierarchicalLayout.EAST); horiNodeOffset.setDoubleValue(layout.getHorizontalNodeOffset()); vertNodeOffset.setDoubleValue(layout.getVerticalNodeOffset()); horiLinkOffset.setDoubleValue(layout.getHorizontalLinkOffset()); vertLinkOffset.setDoubleValue(layout.getVerticalLinkOffset()); horiNodeLinkOffset.setDoubleValue(layout.getHorizontalNodeLinkOffset()); vertNodeLinkOffset.setDoubleValue(layout.getVerticalNodeLinkOffset()); if (linkStyleSelector != null) { if (layout.getGlobalLinkStyle() == IlvHierarchicalLayout.POLYLINE_STYLE) linkStyleSelector.setSelectedIndex(0); else if (layout.getGlobalLinkStyle() == IlvHierarchicalLayout.ORTHOGONAL_STYLE) linkStyleSelector.setSelectedIndex(1); else if (layout.getGlobalLinkStyle() == IlvHierarchicalLayout.STRAIGHT_LINE_STYLE) linkStyleSelector.setSelectedIndex(2); } if (flowDirectionSelector != null) { if (layout.getFlowDirection() == IlvDirection.Top) flowDirectionSelector.setSelectedIndex(0); else if (layout.getFlowDirection() == IlvDirection.Bottom) flowDirectionSelector.setSelectedIndex(1); else if (layout.getFlowDirection() == IlvDirection.Left) flowDirectionSelector.setSelectedIndex(2); else if (layout.getFlowDirection() == IlvDirection.Right) flowDirectionSelector.setSelectedIndex(3); } // just to be sure layout.setCoordinatesMode(IlvGraphLayout.MANAGER_COORDINATES); randomLayout.setCoordinatesMode(IlvGraphLayout.MANAGER_COORDINATES); } /** * Displays a message. */ void showMessage(String message) { // the message is displayed in the message line msgLine.setText(message); msgLine.paintImmediately(0, 0, msgLine.getWidth(), msgLine.getHeight()); } void showMessage(String msgformat, Object val) { Object[] args = { val }; showMessage(MessageFormat.format(msgformat, args)); } /** * Returns a string. */ static String getString(String key) { return IlvResourceUtil.getString(key, HierarchicalLayoutApplet.class, IlvLocaleUtil.getCurrentLocale()); } /** * Allows you to run the demo as a standalone application. */ public static void main(String[] arg) { // Sun recommends that to put the entire GUI initialization into the // AWT thread SwingUtilities.invokeLater( new Runnable() { public void run() { HierarchicalLayoutApplet applet = new HierarchicalLayoutApplet(); applet.init(); JFrame frame = new JFrame(getString("Frame.Label")); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(600, 600); frame.getContentPane().add(applet); frame.setVisible(true); } }); } // ------------------------------------------------------------------------- /** * A graph layout iteration listener. Implementing the interface * GraphLayoutEventListener gives you the possibility to receive * during the layout information about the behavior of the layout * algorithm. This information is contained in the graph layout event. * * In our case, we will simply print the percentage completed by the * layout each time the method layoutStepPerformed is called, that is * after each iteration of the Hierarchical Layout algorithm. */ class LayoutIterationListener implements GraphLayoutEventListener { private float oldPercentage; /** * This method is automatically called by the layout algorithm. */ public void layoutStepPerformed(GraphLayoutEvent event) { float percentage = event.getLayoutReport().getPercentageComplete(); if (percentage != oldPercentage) { showMessage(getString("percentage.Label"), new Float(percentage)); oldPercentage = percentage; } } /** * Initialize the listener by reseting the toShow variable. * This method must be called before the layout is started. */ void initialize() { oldPercentage = -1.0f; } } }