Changeset 574 for trunk/src/org/expeditee/actions/Misc.java

Timestamp:

12/05/13 16:55:01 (11 years ago)

Author:

jts21

Message:

Add action to run javascript code. Probably completely pointless since there is already a Javascript class, but I couldn't get the existing Javascript engine to work and wanted to try scripting anyway

File:

• trunk/src/org/expeditee/actions/Misc.java (modified) (6 diffs)

trunk/src/org/expeditee/actions/Misc.java

@@ -4 +4 @@
 import java.awt.Desktop;
 import java.awt.Image;
+import java.awt.Polygon;
 import java.awt.image.BufferedImage;
 import java.awt.image.VolatileImage;
@@ -9 +10 @@
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.io.StringWriter;
+import java.io.Writer;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
@@ -16 +19 @@
 
 import javax.imageio.ImageIO;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
 
 import org.expeditee.gui.AttributeUtils;
@@ -30 +35 @@
 import org.expeditee.gui.TimeKeeper;
 import org.expeditee.importer.FrameDNDTransferHandler;
+import org.expeditee.io.JavaWriter;
 import org.expeditee.items.Item;
 import org.expeditee.items.ItemUtils;
@@ -1186 +1192 @@
         
         public static void run(String command) throws Exception {
+                if(command == null) {
+                        MessageBay.warningMessage("Please provide a command to run");
+                        return;
+                }
                 int firstSpace = command.indexOf(" ");
                 if(firstSpace == -1) {
@@ -1214 +1224 @@
         
         public static void run(Item item) throws Exception {
+                if(item == null) {
+                        MessageBay.warningMessage("Please provide a command to run");
+                        return;
+                }
                 run(((Text)item).getText());
         }
+        
+        // Javascript stuff. Probably completely pointless since there is already a Javascript class,
+        // but I couldn't get the existing Javascript engine to work for some reason
+        private static ScriptEngineManager sem = new ScriptEngineManager();
+        private static ScriptEngine se = sem.getEngineByMimeType("application/javascript");
+        
+        private static String getScript(Frame frame) throws Exception {
+                Writer writer = new StringWriter();
+                JavaWriter jw = new JavaWriter();
+                jw.writeFrame(frame, writer);
+                writer.flush();
+                String script = writer.toString();
+                writer.close();
+                return script;
+        }
+        
+        public static void runJSFrame(Frame frame) throws Exception {
+                se.eval(getScript(frame));
+        }
+        
+        public static void runJSItem(Item item) throws Exception {
+                // if the user clicked on the action without an item on their cursor
+                if(item.hasAction()) {
+                        for(String s : item.getAction()) {
+                                if(!s.equalsIgnoreCase("runJSItem")) {
+                                        return;
+                                }
+                        }
+                        
+                        // Check if there is an arrow pointing from the action to a link
+                        // Seemed like a cool idea before I made it, but the arrows kind of get in the way when trying to click on the action
+                        Collection<Item> itemsWithin = item.getParentOrCurrentFrame().getItemsWithin(item.getPolygon());
+                        for(Item i : itemsWithin) {
+                                if(i instanceof Line && itemsWithin.contains(((Line)i).getStartItem())) {
+                                        Polygon p = ((Line)i).getEndItem().getPolygon();
+                                        for(Item j : ((Line)i).getEndItem().getParent().getAllItems()) {
+                                                if(p.intersects(j.getArea().getBounds2D()) && j instanceof Text && j.hasLink()) {
+                                                        Frame child = j.getChild();
+                                                        if(child == null) {
+                                                                continue;
+                                                        }
+                                                        runJSFrame(child);
+                                                        return;
+                                                }
+                                        }
+                                }
+                        }
+                        
+                        runJSFrame(item.getParentOrCurrentFrame());
+                        return;
+                }
+                Frame frame = item.getChild();
+                if(frame == null) {
+                        frame = FrameIO.CreateNewFrame(item);
+                        item.setLink("" + frame.getNumber());
+                        frame.addText(100, 100, "print(\"test\");", null);
+                        FrameIO.SaveFrame(frame);
+                } else {
+                        se.eval(getScript(frame));
+                }
+        }
 }