/*
* 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.IlvRect;
import ilog.views.diagrammer.IlvDiagrammer;
import ilog.views.diagrammer.application.IlvDiagrammerAction;
import ilog.views.diagrammer.application.IlvDiagrammerApplication;
import ilog.views.diagrammer.application.IlvDiagrammerPaletteBar;
import ilog.views.util.IlvProductUtil;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.beans.PropertyVetoException;
import java.net.URL;
import java.util.ArrayList;
import java.util.ResourceBundle;
import java.util.StringTokenizer;
/**
* This example shows how to build a business process modeler
* based on a diagram component, {@link ilog.views.diagrammer.IlvDiagrammer}.
* <p>
* The example is based on the predefined class
* {@link ilog.views.diagrammer.application.IlvDiagrammerApplication}
* supplied with Rogue Wave JViews Diagrammer.
* <p>
* You can also look at the "Diagram Editor" example, which shows how to
* build your own customized application using the components of
* the {@link ilog.views.diagrammer.application} package
* (toolbars, menus, and so on).
*/
public class ProcessModeler extends IlvDiagrammerApplication
{
// The resource bundle used to get localized messages for
// this class.
//
private ResourceBundle bundle;
private URL[] styleSheets;
private JComboBox combo;
private JTextField descriptionField;
/**
* Creates a new process modeler.
*/
public ProcessModeler()
{
super();
// This sample uses JViews Diagrammer features. When deploying an
// application that includes this code, you need to be in possession
// of a Rogue Wave JViews Diagrammer Deployment license.
IlvProductUtil.DeploymentLicenseRequired(
IlvProductUtil.JViews_Diagrammer_Deployment);
// Load the property file.
//
bundle = ResourceBundle.getBundle("modeler");
// Set default arguments.
//
setDefaultArgs(new String[]{
"-title", bundle.getString("ProcessModeler.FrameTitle"),
"-mdi",
"-tree",
"-psheet",
"-edit",
"-style", "data/default.css",
"-palette", "data/bpm-palette.xml",
"-data", "data/hotline.idpr"
});
}
/**
* Maximizes the initial frame.
*/
protected void ready()
{
super.ready();
JInternalFrame[] frames = getDesktopPane().getAllFrames();
if(frames != null && frames.length > 0){
try {
frames[0].setMaximum(true);
} catch (PropertyVetoException e) {
}
}
if(getCurrentDiagrammer() != null){
adjustView(getCurrentDiagrammer());
}
}
/**
* Initializes the GUI.
* @param contentPane The container of the application or applet.
*/
public void init(Container contentPane)
{
super.init(contentPane);
// Create the combo box that lets the user choose a diagram.
//
JPanel styleSheetPanel = new JPanel(new GridBagLayout());
JToolBar[] palettes = getPaletteToolBars();
Container toolbarPanel = palettes[0].getParent();
JPanel newPanel = new JPanel(new BorderLayout());
newPanel.add(toolbarPanel, BorderLayout.CENTER);
newPanel.add(styleSheetPanel, BorderLayout.SOUTH);
contentPane.remove(toolbarPanel);
contentPane.add(newPanel, BorderLayout.NORTH);
GridBagConstraints c = new GridBagConstraints();
c.gridy = 0;
c.insets = new Insets(5, 5, 5, 5);
c.weightx = 0;
c.fill = GridBagConstraints.NONE;
JLabel label = new JLabel(bundle.getString("ProcessModeler.ChooseStyleSheet"));
c.gridx = 0;
styleSheetPanel.add(label, c);
styleSheets = readStyleSheets();
combo = new JComboBox(styleSheets);
combo.setRenderer(new DefaultListCellRenderer(){
public Component getListCellRendererComponent(
JList list,
Object value,
int index,
boolean isSelected,
boolean cellHasFocus)
{
JLabel label =
(JLabel) super.getListCellRendererComponent(list,
value,
index,
isSelected,
cellHasFocus);
label.setText(getProperty((URL)value,
"ShortDescription"));
return label;
}
});
combo.addItemListener(new ItemListener(){
public void itemStateChanged(ItemEvent e)
{
if(e.getStateChange() == ItemEvent.SELECTED){
loadStyleSheet((URL)combo.getSelectedItem());
}
}
});
c.gridx = 1;
styleSheetPanel.add(combo, c);
descriptionField = new JTextField();
descriptionField.setEditable(false);
String initialDescr = getProperty(styleSheets[0], "LongDescription");
descriptionField.setText(initialDescr);
c.weightx = 1;
c.gridx = 2;
c.fill = GridBagConstraints.HORIZONTAL;
styleSheetPanel.add(descriptionField, c);
}
/**
* Reads the list of style sheets from the property file.
*/
private URL[] readStyleSheets()
{
ArrayList l = new ArrayList();
try {
URL documentBase;
if(isApplet()){
documentBase = getDocumentBase();
} else {
documentBase = new URL("file:./");
}
String list = bundle.getString("ProcessModeler.StyleSheetList");
StringTokenizer tok = new StringTokenizer(list, " ,");
while(tok.hasMoreTokens()){
String name = tok.nextToken();
URL styleSheet = new URL(documentBase, "data/"+name+".css");
l.add(styleSheet);
}
} catch(Exception ex){
IlvDiagrammerAction.error(
getApplicationContentPane(),
bundle,
"ProcessModeler.ErrorWhileListingStyleSheets",
null,
ex);
}
return (URL[]) l.toArray(new URL[0]);
}
private String getProperty(URL url, String property)
{
String key = url.toExternalForm();
key = key.substring(key.lastIndexOf('/')+1);
key = key.substring(0, key.lastIndexOf('.'));
return bundle.getString("ProcessModeler."+key+"."+property);
}
/**
* Loads a new style sheet.
*/
private void loadStyleSheet(URL newStyleSheet)
{
descriptionField.setText(getProperty(newStyleSheet, "LongDescription"));
// Change the style sheet for the other open diagrams.
//
IlvDiagrammer[] diagrammers = getDiagrammers();
for (int i = 0; i < diagrammers.length; i++) {
IlvDiagrammer d = diagrammers[i];
try {
d.setStyleSheet(newStyleSheet);
} catch (Exception e) {
IlvDiagrammerAction.error(
getApplicationContentPane(),
bundle,
"ProcessModeler.ErrorWhileLoadingStyleSheet",
new Object[] {
newStyleSheet
},
e);
}
// Relayout the diagram, because the new style may cause
// nodes to overlap.
//
d.layoutAllNodes();
d.layoutLinks();
// Center the diagram nicely.
//
adjustView(d);
// Update the icons in the tree.
//
if(getTree() != null)
getTree().updateIcons();
}
// Update the palette toolbars.
//
JToolBar[] palettes = getPaletteToolBars();
for (int i = 0; i < palettes.length; i++) {
JToolBar palette = palettes[i];
if(palette instanceof IlvDiagrammerPaletteBar){
try {
((IlvDiagrammerPaletteBar)palette).setStyleSheet(
newStyleSheet);
} catch (Exception e) {
e.printStackTrace();
}
}
}
// Make sure new buffers use the new style sheet.
//
setStyleSheetURL(newStyleSheet);
}
/**
* Changes the zoom factor.
*/
protected IlvDiagrammer createDiagrammer()
{
IlvDiagrammer diagrammer = super.createDiagrammer();
diagrammer.setZoomFactor(1.5);
return diagrammer;
}
/**
* Changes zooms and translates the view so that the diagram is best
* visible.
* @param d The diagram component.
*/
private void adjustView(IlvDiagrammer d)
{
d.resetZoom();
d.zoomOut();
IlvRect bbox =
d.getEngine().getGrapher().computeBBox(d.getView().getTransformer());
Dimension size = d.getView().getSize();
float x, y;
float margin = 10;
if(bbox.width > size.width){
x = margin;
} else {
x = (size.width - bbox.width)/2;
}
if(bbox.height > size.height){
y = margin;
} else {
y = (size.height - bbox.height)/2;
}
d.getView().translate(x - bbox.x, y - bbox.y, true);
}
/**
* The main method of the application. You must always supply your
* own main when subclassing
* {@link ilog.views.diagrammer.application.IlvDiagrammerApplication}.
* @param args The command-line arguments.
*/
public static void main(final String[] args)
{
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
// Create the new modeler application and show it.
//
new ProcessModeler().init(args);
}
});
}
}