Changeset 815 for trunk/src/org/expeditee/items

Timestamp:

02/03/14 16:03:18 (10 years ago)

Author:

jts21

Message:

Add ability to extract images from a web browser by right clicking them

File:

• trunk/src/org/expeditee/items/widgets/JfxBrowser.java (modified) (3 diffs)

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

@@ -36 +36 @@
 import javafx.scene.web.WebEngine;
 import javafx.scene.web.WebView;
+import netscape.javascript.JSObject;
 
 import org.expeditee.gui.DisplayIO;
@@ -43 +44 @@
 import org.expeditee.io.WebParser;
 import org.expeditee.items.Item;
+import org.expeditee.items.Picture;
 import org.expeditee.items.Text;
 import org.expeditee.settings.network.NetworkSettings;
@@ -382 +384 @@
                                                 String selection = (String) JfxBrowser.this._webEngine.executeScript("window.getSelection().toString()");
 
-                                                // Do nothing if no text is selected
-                                                if (!selection.equals("")) {
+                                                // If no text is selected, see if an image is under the cursor
+                                                if (selection.length() == 0) {
+                                                        JSObject window = (JSObject) JfxBrowser.this._webEngine.executeScript("window");
+                                                        Object image = JfxBrowser.this._webEngine.executeScript(""
+                                                                        + "function isImage(o) {"
+                                                                        + "  if(o.tagName == \"IMG\" && o.src != null) {"
+                                                                        + "    return true;"
+                                                                        + "  }"
+                                                                        + "  if(window.getComputedStyle(o).getPropertyValue(\"background-image\").indexOf(\"url\") == 0) {"
+                                                                        + "    return true;"
+                                                                        + "  }"
+                                                                        + "  return false;"
+                                                                        + "};"
+                                                                        + "var clicked = document.elementFromPoint(" + e.getX() + "," + e.getY() + ");"
+                                                                        + "if(isImage(clicked)) {"
+                                                                        + "  clicked;"
+                                                                        + "} else {"
+                                                                        // TODO: look in child elements and other elements behind the current one
+                                                                        // For now just return nothing
+                                                                        + "  null;"
+                                                                        + "}"
+                                                                        + "");
+                                                        if(image instanceof org.w3c.dom.Node) {
+                                                                System.out.println(image);
+                                                                try {
+                                                                        JSObject style = (JSObject) window.call("getComputedStyle", image);
+
+                                                                        JSObject bounds = (JSObject) ((JSObject) image).call("getBoundingClientRect", new Object[] {});
+                                                                        float width = Float.valueOf(bounds.getMember("width").toString());
+                                                                        float height = Float.valueOf(bounds.getMember("height").toString());
+                                                                        
+                                                                        Picture pic;
+                                                                        
+                                                                        org.w3c.dom.Node node = ((org.w3c.dom.Node) image);
+                                                                        
+                                                                        if (((String) style.call("getPropertyValue", new Object[] { "background-image" })).startsWith("url(")) {
+                                                                                pic = WebParser.getBackgroundImageFromNode(node, style, DisplayIO.getCurrentFrame(), null,
+                                                                                        (float) FrameMouseActions.getX(), (float) FrameMouseActions.getY(), width, height);
+                                                                        } else {
+                                                                                String imgSrc;
+                                                                                if(node.getNodeName().toLowerCase().equals("img") && 
+                                                                                                (imgSrc = ((JSObject) node).getMember("src").toString()) != null) {
+                                                                                        pic = WebParser.getImageFromUrl(imgSrc, null, DisplayIO.getCurrentFrame(),
+                                                                                                        (float) FrameMouseActions.getX(), (float) FrameMouseActions.getY(), (int) width, null, null, null, null, null, 0, 0);
+                                                                                } else {
+                                                                                        return;
+                                                                                }
+                                                                        }
+                                                                        pic.setXY(FrameMouseActions.getX(), FrameMouseActions.getY());
+                                        FrameMouseActions.pickup(pic);
+                                        } catch (Exception e1) {
+                                        // TODO Auto-generated catch block
+                                        e1.printStackTrace();
+                                }
+                                                        }
+                                                } else {
                                                         // Copy text and attach to cursor
                                                         Text t = new Text(selection);