jawe.java

jawe的最新版本,基于Java的图形化工作流编辑器。图形化工作流编辑器 。使用JAVA语言开发

package org.enhydra.jawe;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileInputStream;
import java.util.Properties;

import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.WindowConstants;

/**
 * The main editor class.
 * 
 * @author Sasa Bojanic
 */
public class JaWE {

   static int timeLeft = 10; // in seconds

   public static void main(String[] args) throws Throwable {
      System.out.println("Starting JAWE ....");
      System.out.println("JaWE -> JaWE is being initialized ...");

      File cfgf = null;
      System.out.println("JaWE_CONF_HOME=" + JaWEConstants.JAWE_CONF_HOME);
      if (JaWEConstants.JAWE_CONF_HOME != null) {
         File mainConfig = new File(JaWEConstants.JAWE_CONF_HOME + "/" + "defaultconfig");
         Properties props = new Properties();
         if (mainConfig.exists()) {
            FileInputStream fis = null;
            try {
               fis = new FileInputStream(mainConfig);
               props.load(fis);
               fis.close();
            } catch (Exception ex) {
               System.err.println("Something went wrong while reading configuration from the file "
                                  + mainConfig.getAbsolutePath());
            }
         }
         String conf_home = JaWEConstants.JAWE_CONF_HOME
                            + "/"
                            + props.getProperty(JaWEConstants.JAWE_CURRENT_CONFIG_HOME);
         File cfh = new File(conf_home);
         if (cfh.exists()) {
            System.setProperty(JaWEConstants.JAWE_CURRENT_CONFIG_HOME, conf_home);
            if (Utils.checkFileExistence(JaWEManager.TOGWE_BASIC_PROPERTYFILE_NAME) || Utils.checkResourceExistence(JaWEManager.TOGWE_BASIC_PROPERTYFILE_PATH, JaWEManager.TOGWE_BASIC_PROPERTYFILE_NAME)) {
               cfgf = new File(conf_home + "/" + JaWEManager.TOGWE_BASIC_PROPERTYFILE_NAME);               
            } else {
               cfgf = new File(conf_home + "/" + JaWEConstants.JAWE_BASIC_PROPERTYFILE_NAME);
            }
         }
      }
      if (cfgf != null && cfgf.exists()) {
         JaWEManager.configure(cfgf);
      } else {
         JaWEManager.configure();
      }

      // Starting file name
      String fn = null;

      // check if there is a file that should be open at the startup
      if (args != null && args.length > 0) {
         fn = args[0];
      }

      JaWEManager.getInstance().start(fn);

      if (JaWE.getJaWEVersion()==JaWE.DEMO_VERSION || (JaWE.getJaWEVersion()==JaWE.COMMUNITY_VERSION && !addOnsAvailable())) {
         JaWEAboutDialog d = new JaWEAboutDialog(JaWEManager.getInstance()
            .getJaWEController()
            .getJaWEFrame());

         d.pack();
         Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
         Dimension winsize = d.getSize();
         d.setLocation(screenSize.width / 2 - (winsize.width / 2), screenSize.height
                                                                   / 2
                                                                   - (winsize.height / 2));
         d.setLocationRelativeTo(JaWEManager.getInstance()
            .getJaWEController()
            .getJaWEFrame());
         d.setTitle(JaWEManager.getInstance()
            .getJaWEController()
            .getSettings()
            .getLanguageDependentString("AboutFrameTitle"));

         d.setVisible(true);

         if (JaWE.getJaWEVersion() == JaWE.DEMO_VERSION) {
            timeLeft = 0;
         }
         while (timeLeft != 0) {
            Thread.sleep(1000);
            timeLeft--;
            d.setTime(timeLeft);
         }

         d.setTime(0);

         d = null;
      }
   }

   private static class JaWEAboutDialog extends JDialog {

      JButton okButton;

      public JaWEAboutDialog(JFrame frame) {
         super(frame);
         JPanel main = new JPanel();
         main.setBackground(Color.WHITE);
         main.setLayout(new BoxLayout(main, BoxLayout.Y_AXIS));
         okButton = new JButton("  OK (" + timeLeft + ")");
         okButton.setAlignmentX(CENTER_ALIGNMENT);
         okButton.addActionListener(new ActionHandler());
         okButton.setEnabled(false);
         main.add(JaWESplash.getSplashPanel());
         main.add(Box.createVerticalStrut(15));
         main.add(okButton);
         getContentPane().add(main);

         this.getParent().setEnabled(false);

         this.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
      }

      public void setTime(int timeLeft) {
         if (timeLeft != 0)
            okButton.setText("  OK (" + timeLeft + ")");
         else {
            okButton.setText("   OK   ");
            okButton.setEnabled(true);
            this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
            getParent().setEnabled(true);
         }
      }

      private class ActionHandler implements ActionListener {
         public void actionPerformed(ActionEvent e) {
            dispose();
         }
      }
   }

   public static final int COMMUNITY_VERSION = 0;

   public static final int DEMO_VERSION = 1;

   public static final int PROFESSIONAL_VERSION = 2;

   protected static int VERSION = -1;

   public static int getJaWEVersion() {
      if (VERSION == -1) {
         try {
            Class.forName("org.enhydra.jawe.base.controller.TogWEDemoController");
            VERSION = DEMO_VERSION;
         } catch (Exception ex) {
            try {
               Class.forName("org.enhydra.jawe.ProfInfo");
               VERSION = PROFESSIONAL_VERSION;
            } catch (Exception ex2) {
               VERSION = COMMUNITY_VERSION;
            }
         }
      }
      return VERSION;
   }
 
   protected static boolean addOnsAvailable=false;

   public static boolean addOnsAvailable () {
      try {
         Class.forName("org.enhydra.jawe.AddOnInfo");
         addOnsAvailable=true;
      } catch (Exception ex) {
      }      
      return addOnsAvailable;
   }
}