Initial revision

processing/app/PdeRunner.java

@@ -0,0 +1,145 @@
+public class PdeRunner implements Runnable {
+  //DbnGraphics graphics;
+  PdeEnvironment env;
+  String program;
+
+  PdeEngine engine;
+  // dbn definitely needs an engine, 
+  // for the others it's just an interface
+
+  static final int RUNNER_STARTED = 0;
+  static final int RUNNER_FINISHED = 1;
+  static final int RUNNER_ERROR = -1;
+  static final int RUNNER_STOPPED = 2;
+  int state = RUNNER_FINISHED;
+
+  Thread thread;
+  boolean forceStop;
+
+
+  public PdeRunner(PdeEnvironment env) {
+    this(env, "");
+  }
+
+  public PdeRunner(PdeEnvironment env, String program) { 
+    this.program = program;
+    //this.graphics = graphics;
+    this.env = env;
+  }
+
+
+  public void setProgram(String program) {
+    this.program = program;
+  }
+
+
+  public void start() {
+    if (thread != null) {
+      try { 
+	thread.stop(); 
+      } catch (Exception e) { }
+      thread = null;
+    }
+    thread = new Thread(this, "PdeRunner");
+    thread.start();
+  }
+
+
+  public void run() {
+    state = RUNNER_STARTED;
+    //graphics.reset();  // remove for pde
+
+    try {
+      if (program.length() == 0) {
+
+	/*
+      } else if (program.indexOf('#') < 2) { //charAt(0) == '#') {
+#ifdef PYTHON
+
+#ifdef OPENGL
+	program = "#\r\n" + 
+	  "import DbnEditorGraphics3D\r\n" +
+	  "import ExperimentalCanvas\r\n" +
+	  "g = DbnEditorGraphics3D.getCurrentGraphics()\r\n" +
+	  "glc = g.canvas\r\n" +
+	  "gl = glc.getGL()\r\n" +
+	  "glj = glc.getGLJ()\r\n" + program;
+#endif
+
+	forceStop = true;
+	engine = new PythonEngine(program);
+	engine.start();
+	forceStop = false;
+#else
+	throw new Exception("python support not included");
+#endif
+	*/
+
+      } else if (program.indexOf("extends ProcessingApplet") != -1) {
+#ifdef JAVAC
+	engine = new JavacEngine(program, graphics);
+	engine.start();
+#else
+	throw new Exception("javac support not included");
+#endif
+
+      } else if (program.indexOf("// dbn") < 2) {
+#ifdef DBN
+	String pre = "set red 0; set green 1; set blue 2; " + 
+	  "set quicktime 0; set tiff 1; set illustrator 2; ";
+	DbnParser parser = 
+	  new DbnParser(DbnPreprocessor.process(pre + program));
+
+	DbnToken root = parser.getRoot();
+	//root.print();
+	if (!root.findToken(DbnToken.SIZE)) {
+	  graphics.size(101, 101, 1);
+	}
+	if (root.findToken(DbnToken.REFRESH)) {
+	  graphics.aiRefresh = false;
+	}
+	engine = new DbnEngine(root, graphics);
+	engine.start();
+#else
+	throw new Exception("dbn support not included");
+#endif
+
+      } else {
+	forceStop = true;
+	engine = new PythonEngine(program);
+	engine.start();
+	forceStop = false;
+
+	
+      }
+      //System.out.println("finished");
+      state = RUNNER_FINISHED;
+      env.finished();
+      //graphics.update();  // removed for pde
+
+    } catch (PdeException e) { 
+      state = RUNNER_ERROR;
+      forceStop = false;
+      this.stop();
+      env.error(e);
+
+    } catch (Exception e) {
+#ifndef KVM
+      e.printStackTrace();
+#endif
+      this.stop();
+    }	
+  }
+
+
+  public void stop() {
+    if (engine != null) {
+      engine.stop();
+      if (forceStop) {
+	thread.stop();
+	thread = null;
+      }
+      engine = null;
+    }
+  }
+}