Changeset 560 for trunk/src/org/expeditee/items/widgets

Timestamp:

12/02/13 14:51:52 (11 years ago)

Author:

ngw8

Message:

Progress on Web >> Expeditee - Text items representing all elements of a webpage can be added to a frame from the JfxBrowser

File:

• trunk/src/org/expeditee/items/widgets/JfxBrowser.java (modified) (11 diffs)

trunk/src/org/expeditee/items/widgets/JfxBrowser.java

@@ -30 +30 @@
 import javax.swing.text.BadLocationException;
 
+import org.apache.xerces.impl.xs.opti.NamedNodeMapImpl;
 import org.expeditee.gui.DisplayIO;
 import org.expeditee.gui.FrameMouseActions;
@@ -37 +38 @@
 import org.expeditee.items.Item;
 import org.expeditee.items.Text;
+import org.jfree.chart.labels.IntervalCategoryItemLabelGenerator;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.w3c.dom.css.CSSStyleDeclaration;
 
 /**
@@ -75 +82 @@
         static Method WebEngineGetHistory;
         static Method WebEngineReload;
-        //static Method WebEngineGetDocument;
+        static Method WebEngineExecuteScript;
 
         static Class WebHistory;
@@ -92 +99 @@
         static Class State;
         static List<Object> StateConstants;
+
+        static Class JSObject;
+        static Method JSObejctEval;
+        static Method JSObejctCall;
+        static Method JSObejctGetMember;
 
         static {
@@ -130 +142 @@
                         WebEngineGetHistory = WebEngine.getMethod("getHistory");
                         WebEngineReload = WebEngine.getMethod("reload");
+                        WebEngineExecuteScript = WebEngine.getMethod("executeScript", String.class);
                         
                         WebHistory = classLoader.loadClass("javafx.scene.web.WebHistory");
@@ -146 +159 @@
                         State = classLoader.loadClass("javafx.concurrent.Worker$State");
                         StateConstants = Arrays.asList(State.getEnumConstants());
+
+                        JSObject = classLoader.loadClass("netscape.javascript.JSObject");
+                        JSObejctEval = JSObject.getMethod("eval", String.class);
+                        JSObejctCall = JSObject.getMethod("call", String.class, Object[].class);
+                        JSObejctGetMember = JSObject.getMethod("getMember", String.class);
 
                 } catch (Exception e) {
@@ -194 +212 @@
                                 toolBar.add(urlField);
 
+                                JButton convertButton = new JButton("Convert");
+                                toolBar.add(convertButton);
+
                                 backButton.addActionListener(new ActionListener() {
                                         @Override
@@ -205 +226 @@
                                         public void actionPerformed(ActionEvent arg0) {
                                                 owner.navigateForward();
+                                        }
+                                });
+                                
+                                convertButton.addActionListener(new ActionListener() {
+                                        @Override
+                                        public void actionPerformed(ActionEvent arg0) {
+                                                owner.getFrame();
                                         }
                                 });
@@ -585 +613 @@
          */
         public void getFrame() {
-                MessageBay.displayMessage("I haven't been implemented yet");
                 try {
+                        // Reference to the webEngine, to make it easier/possible to get to it inside the run()
                         final Object webEngine = WebViewGetEngine.invoke(this._browser.webview);
-                        
+
                         try {
                                 PlatformRunLater.invoke(null, new Runnable() {
@@ -594 +622 @@
                                         public void run() {
                                                 try {
-                                                        // TODO: parse html to get expeditee frame
+                                                        Document doc = (Document) WebEngineExecuteScript.invoke(webEngine, "document");
+                                                        Object window = WebEngineExecuteScript.invoke(webEngine, "window");
+                                                        NodeList nodes = doc.getElementsByTagName("*");
+                                                        System.out.println(nodes.getLength());
+                                                        
+                                                        Element e;
+                                                        Object bounds;
+                                                        float x, y;
+
+                                                        for (int i = 0; i < nodes.getLength(); i++) {
+                                                                e = (Element) nodes.item(i);
+                                                                bounds = JSObejctCall.invoke(e, "getBoundingClientRect", new Object[] {});
+
+                                                                x = Float.valueOf(JSObejctGetMember.invoke(bounds, "left").toString()) + Float.valueOf(WebEngineExecuteScript.invoke(webEngine, "window.pageXOffset").toString());
+                                                                y = Float.valueOf(JSObejctGetMember.invoke(bounds, "top").toString()) + Float.valueOf(WebEngineExecuteScript.invoke(webEngine, "window.pageYOffset").toString());
+
+                                                                System.out.println(y + "    " + e.toString());
+
+                                                                Object style = JSObejctCall.invoke(window, "getComputedStyle", new Object[] { e });
+                                                                String color = (String) JSObejctCall.invoke(style, "getPropertyValue", new Object[] { "color" });
+
+                                                                color = color.substring(4, color.length() - 1);
+
+                                                                String[] colors = color.split(", ");
+                                                                
+
+
+                                                                Text t = DisplayIO.getCurrentFrame().createNewText("x");
+                                                                t.setPosition(x, y);
+
+                                                                t.setColor(new Color(Integer.valueOf(colors[0]), Integer.valueOf(colors[1]), Integer.valueOf(colors[2])));
+
+                                                        }
+
+                                                        // Object img = JSObejctCall.invoke(logo, "getBoundingClientRect", new Object[] {});
+                                                        // System.out.println((int) WebEngineExecuteScript.invoke(webEngine, "window.pageYOffset")
+                                                        // + (int) WebEngineExecuteScript.invoke(webEngine,
+                                                        // "document.getElementById('hplogo').getBoundingClientRect().top"));
+
                                                 } catch (Exception e) {
                                                         e.printStackTrace();
                                                 }
+                                                
+//                                              while(elem && !isNaN(elem.offsetLeft) && !isNaN(elem.offsetTop)) {
+//                                               xl_ += elem.offsetLeft - elem.scrollLeft;
+//                                               yt_ += elem.offsetTop - elem.scrollTop;
+//                                               lem = elem.offsetParent;
+//                                               }
                                         }
                                 });
@@ -609 +681 @@
         
         /**
-         * Used to drop text items onto JfxBrowser widget. Does nothing if a text item is not attached to cursor.
-         *              "back"          -> navigates back a page in browser's session history
-         *              "forward"       -> navigates forward a page in browser's session history
-         *              "refresh"       -> reloads current page
-         *              "getFrame"      -> attempts to parse page into an expeditee frame
-         *               url            -> all other text is assumed to be a url which browser attempts to navigate to 
-         * return Whether a JfxBrowser specific event is run.
+         * Used to drop text items onto JfxBrowser widget. Does nothing if a text item is not attached to cursor. <br>
+         * "back" -> navigates back a page in browser's session history <br>
+         * "forward" -> navigates forward a page in browser's session history <br>
+         * "refresh" -> reloads current page <br>
+         * "getFrame" -> attempts to parse page into an expeditee frame <br>
+         * url -> all other text is assumed to be a url which browser attempts to navigate to
+         * 
+         * @return Whether a JfxBrowser specific event is run.
+         * 
          */
         @Override