/*
* 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.diagrammer.IlvDiagrammer;
import ilog.views.diagrammer.application.IlvDiagrammerViewBar;
import ilog.views.diagrammer.application.IlvDiagrammerAction;
import ilog.views.sdm.IlvSDMEngine;
import ilog.views.sdm.renderer.graphlayout.IlvGraphLayoutRenderer;
import ilog.views.sdm.util.IlvSDMMutableStyleSheet;
import ilog.views.graphlayout.IlvGraphLayout;
import ilog.views.graphlayout.IlvGraphLayoutReport;
import ilog.views.graphlayout.GraphLayoutEvent;
import ilog.views.graphlayout.GraphLayoutEventListener;
import ilog.views.graphlayout.random.IlvRandomLayout;
import ilog.views.IlvPoint;
import ilog.views.IlvTransformer;
import ilog.views.util.IlvProductUtil;
import ilog.views.util.IlvResourceUtil;
import ilog.views.util.swing.IlvSwingUtil;
import ilog.views.util.swing.IlvJComboBox;
import javax.swing.*;
import java.util.*;
import java.text.*;
import java.awt.*;
import java.awt.event.*;
import java.net.URL;
/**
* This is a very simple applet/application that uses the
* <code>IlvDiagrammer</code> to perform a rotated layout.
* It uses the rotation angle feature of the graph layout renderer.
* It loads a style sheet containing the layout specification.
* It allows to set various layout parameters by using the
* <code>IlvSDMMutableStyleSheet</code>.
*/
public class RotatedLayoutApplet 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 the applet
// trying to load resource bundles for other locales over the network,
// even if the current locale of the browser is different.
if (IlvResourceUtil.isInApplet())
IlvResourceUtil.setAvailableResourceSuffixes("", "_ja");
// Test code for 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
// a Rogue Wave JViews Diagrammer Deployment license.
IlvProductUtil.DeploymentLicenseRequired(
IlvProductUtil.JViews_Diagrammer_Deployment);
}
/** The diagrammer */
IlvDiagrammer diagrammer = new IlvDiagrammer();
/** The style sheet for temporary changes */
IlvSDMMutableStyleSheet styleSheet = new IlvSDMMutableStyleSheet(
diagrammer.getEngine(), true, false);
/** The display names of the samples */
String[] sampleNames;
/** The base file names of the samples (excluding the .xml or .css */
String[] fileNames;
/** The shear modes: the values must be the index in the combo box. */
final static int UNSHEARED = 0;
final static int SHEAR_X = 1;
final static int SHEAR_Y = 2;
/** Whether the rotation is a shear in X direction. */
int shearMode = UNSHEARED;
/** A text field to display messages */
JTextField msgLine = new JTextField();
/** The default angle */
static final float DEFAULT_ANGLE = 30.f;
/** Fields for the offset parameters */
NumberField rotationAngleSelector =
new NumberField(-45, 45, DEFAULT_ANGLE, false, 6, 1);
/**
* Initializes the applet/application.
*/
public void init()
{
// we use the standard diagrammer toolbar
IlvDiagrammerViewBar toolbar = new IlvDiagrammerViewBar();
// various settings of the diagrammer
diagrammer.setSelectMode(true);
diagrammer.setScrollable(true);
diagrammer.setEditingAllowed(true);
diagrammer.setMinimumZoom(0.02f);
diagrammer.setMaximumZoom(10f);
diagrammer.getView().setBackground(Color.white);
diagrammer.getView().setForeground(SystemColor.windowText);
// initialize the sample names
initSampleNames();
// create the file selector
JComboBox fileSelector = new IlvJComboBox();
for (int i = 0; i < sampleNames.length; i++)
fileSelector.addItem(sampleNames[i]);
fileSelector.setToolTipText(getString("FileSelector.Tooltip"));
fileSelector.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
JComboBox comboBox = (JComboBox)event.getSource();
String sampleName = (String)comboBox.getSelectedItem();
for (int i = 0; i < sampleNames.length; i++)
if (sampleNames[i].equals(sampleName))
loadSample(i);
}
});
// create the top panel with the toolbar and the file selector
JPanel topPanel = new JPanel();
topPanel.setLayout(new FlowLayout(FlowLayout.LEADING));
topPanel.add(toolbar);
JLabel label = new JLabel(getString("FileSelector.Label"));
label.setToolTipText(getString("FileSelector.Tooltip"));
topPanel.add(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(createParameterPanel(), BorderLayout.CENTER);
bottomPanel.add(msgLine, BorderLayout.SOUTH);
msgLine.setEditable(false);
// put diagrammer, top panel and bottom panel together
getContentPane().setLayout(new BorderLayout(0, 0));
getContentPane().add(diagrammer, 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);
// set the initial rotation angle
styleSheet.setDeclaration("GraphLayout", "rotationAngle", "" + DEFAULT_ANGLE);
// load the initial sample
loadSample(0);
diagrammer.getView().fitTransformerToContent(true);
}
/**
* 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 work around memory management issues
// in the Sun JRE. See the method documentation for more
// details and a description of the known issues.
IlvSwingUtil.cleanupApplet();
}
/**
* Initialize the information about the samples.
*/
private void initSampleNames()
{
sampleNames = new String[4];
fileNames = new String[4];
sampleNames[0] = getString("Sample.TreeLayout");
fileNames[0] = "tree";
sampleNames[1] = getString("Sample.HierarchicalLayout");
fileNames[1] = "hierarchical";
sampleNames[2] = getString("Sample.GridLayout");
fileNames[2] = "grid";
sampleNames[3] = getString("Sample.TMLLayout");
fileNames[3] = "tml";
}
/**
* 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.EAST;
panel.setLayout(gridbag);
// rotation angle parameter
c.gridx = 0;
c.gridy = 0;
JLabel label = new JLabel(getString("RotationAngle.Label"));
label.setToolTipText(getString("RotationAngle.Tooltip"));
panel.add(label, c);
c.gridx = 1;
panel.add(rotationAngleSelector, c);
rotationAngleSelector.setToolTipText(
getString("RotationAngle.Tooltip"));
rotationAngleSelector.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setRotationAngle((NumberField)e.getSource());
}
});
// spacer
c.gridx = 2;
panel.add(new JLabel(" "));
// rotation angle parameter
c.gridx = 3;
label = new JLabel(getString("ShearMode.Label"));
label.setToolTipText(getString("ShearMode.Tooltip"));
panel.add(label, c);
c.gridx = 4;
JComboBox shearModeSelector = new IlvJComboBox();
shearModeSelector.addItem(getString("ShearMode.Unsheared"));
shearModeSelector.addItem(getString("ShearMode.ShearX"));
shearModeSelector.addItem(getString("ShearMode.ShearY"));
shearModeSelector.setToolTipText(getString("ShearMode.Tooltip"));
shearModeSelector.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
JComboBox comboBox = (JComboBox)event.getSource();
shearMode = comboBox.getSelectedIndex();
setRotationAngle(rotationAngleSelector);
}
});
panel.add(shearModeSelector, c);
// set the component orientation according to the locale
Locale loc = IlvSwingUtil.getDefaultLocale();
ComponentOrientation co = ComponentOrientation.getOrientation(loc);
panel.applyComponentOrientation(co);
return panel;
}
/**
* Load a sample file. It loads both the XML file and the style file.
* @param index The index of the sample file.
*/
private void loadSample(int index)
{
String fileNameBase = fileNames[index];
try {
showMessage(getString("FileReadingStartMessage"), fileNameBase);
// load an empty file. This avoids that we get temporary styling
// warnings because the data and css files don't match eachother
diagrammer.setDataFile(
IlvSwingUtil.getRelativeURL(this, "data/empty.xml"));
// load the style file
diagrammer.setStyleSheet(
IlvSwingUtil.getRelativeURL(this, "data/" + fileNameBase + ".css"));
// load a mutable style file that we use for temporary style changes
diagrammer.getEngine().setStyleSheets(1, styleSheet.toString());
// load the data file
diagrammer.setDataFile(
IlvSwingUtil.getRelativeURL(this, "data/" + fileNameBase + ".xml"));
// zoom to fit
diagrammer.fitToContents();
showMessage(getString("FileReadingDoneMessage"), fileNameBase);
} catch (Exception e) {
showMessage(e.getMessage());
}
}
/**
* Sets the rotation angle of the rotated model.
*/
private void setRotationAngle(NumberField valueSelector)
{
styleSheet.setAdjusting(true);
try {
IlvTransformer t;
double D;
double angle = valueSelector.getValue();
switch (shearMode) {
case UNSHEARED:
styleSheet.removeDeclaration("GraphLayout", "rotationTransformer");
styleSheet.setDeclaration("GraphLayout", "rotationAngle", "" + angle);
break;
case SHEAR_X:
t = new IlvTransformer(new IlvPoint(), angle);
t.setValues(t.getx11(), 0, t.getx21(), t.getx22(),
t.getx0(), t.gety0());
D = t.getDeterminant();
t.setValues(t.getx11() / D, t.getx12() / D,
t.getx21() / D, t.getx22() / D,
t.getx0(), t.gety0());
styleSheet.removeDeclaration("GraphLayout", "rotationAngle");
styleSheet.setDeclaration("GraphLayout", "rotationTransformer",
"" + t.getx11() + "," + t.getx12() + "," +
t.getx21() + "," + t.getx11() + "," +
t.getx0() + "," + t.gety0());
break;
case SHEAR_Y:
t = new IlvTransformer(new IlvPoint(), angle);
t.setValues(t.getx11(), t.getx12(), 0, t.getx22(),
t.getx0(), t.gety0());
D = t.getDeterminant();
t.setValues(t.getx11() / D, t.getx12() / D,
t.getx21() / D, t.getx22() / D,
t.getx0(), t.gety0());
styleSheet.removeDeclaration("GraphLayout", "rotationAngle");
styleSheet.setDeclaration("GraphLayout", "rotationTransformer",
"" + t.getx11() + "," + t.getx12() + "," +
t.getx21() + "," + t.getx11() + "," +
t.getx0() + "," + t.gety0());
break;
}
} finally {
styleSheet.setAdjusting(false);
diagrammer.fitToContents();
}
}
/**
* 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, RotatedLayoutApplet.class);
}
/**
* Allows you to run the demo as a standalone application.
*/
public static void main(String[] args)
{
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
RotatedLayoutApplet applet = new RotatedLayoutApplet();
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);
}
});
}
}