protected Point currentLocation(DragEvent e) {
int xx = this.sourceX + e.deltaX();
int yy = this.sourceY + e.deltaY();
int gHeight = 0;
CSSStyle parentStyle = e.sourceElement.parentNode.style;
if (parentStyle.height.length() > 0) {
gHeight = Integer.parseInt(parentStyle.height);
}
int gWidth = 0;
if (parentStyle.width.length() > 0) {
gWidth = Integer.parseInt(parentStyle.width);
}
/*
* On mozilla, the mousemove event can contain mousemove
* outside the browser window, so make bound for the dragging.
*/
CSSStyle style = e.sourceElement.style;
int dWidth = style.width.length() > 0 ? Integer.parseInt(style.width) : 0;
int dHeight = style.height.length() > 0 ? Integer.parseInt(style.height) : 0;
if (xx < 0) {
xx = 0;
} else if (xx > gWidth - dWidth - 2) {
xx = gWidth - dWidth - 2;
}
if (yy < 0) {
yy = 0;
} else if (yy > gHeight - dHeight - 2) {
yy = gHeight - dHeight - 2;
}
return new Point(xx, yy);
}
@FXML
void dragDone(DragEvent event) {
/* the drag-and-drop gesture ended */
/* if the data was successfully moved, clear it */
if (event.getTransferMode() == TransferMode.MOVE) {}
event.consume();
}
@FXML
void dragOver(DragEvent event) {
/* data is dragged over the target */
/* accept it only if it is not dragged from the same node
* and if it has a string data */
if (event.getGestureSource() != imageView && event.getDragboard().hasString()) {
/* allow for both copying and moving, whatever user chooses */
event.acceptTransferModes(TransferMode.COPY_OR_MOVE);
}
event.consume();
}
@FXML
void dragEntered(DragEvent event) {
/* the drag-and-drop gesture entered the target */
/* show to the user that it is an actual gesture target */
if (event.getGestureSource() != imageView && event.getDragboard().hasString()) {
ColorAdjust colorAdjust = new ColorAdjust();
colorAdjust.setBrightness(0.5);
imageView.setEffect(colorAdjust);
}
event.consume();
}
public boolean dragBegan(DragEvent e) {
thumb = document.createElement("DIV");
String cssName = e.sourceElement.className;
thumb.className = cssName;
if (cssName != null && cssName.indexOf("sash-mouse-down") == -1) {
thumb.className += " sash-mouse-down";
}
if (cssName.indexOf("horizontal") != -1) {
isHorizontal = true;
} else {
isHorizontal = false;
}
thumb.style.left = e.sourceElement.style.left;
thumb.style.top = e.sourceElement.style.top;
thumb.style.width = e.sourceElement.style.width;
thumb.style.height = e.sourceElement.style.height;
if (hSelectStart == null) {
hSelectStart = DNDUtils.onselectstart;
Clazz.addEvent(thumb, "selectstart", hSelectStart);
}
if (e.sourceElement.nextSibling != null) {
e.sourceElement.parentNode.insertBefore(thumb, e.sourceElement.nextSibling);
} else {
e.sourceElement.parentNode.appendChild(thumb);
}
CSSStyle style = e.sourceElement.style;
this.sourceX = style.left.length() > 0 ? Integer.parseInt(style.left) : 0;
this.sourceY = style.top.length() > 0 ? Integer.parseInt(style.top) : 0;
/* first time, set start location to current location */
e.startX = e.currentX;
e.startY = e.currentY;
Element[] frames = document.getElementsByTagName("IFRAME");
boolean needOverIFrameLayer = false;
for (int i = 0; i < frames.length; i++) {
if (frames[i].style.display != "none") {
needOverIFrameLayer = true;
break;
}
}
if (needOverIFrameLayer) {
overFrameHandle = document.createElement("DIV");
overFrameHandle.className = "over-iframe-layer";
overFrameHandle.style.zIndex = window.currentTopZIndex;
document.body.appendChild(overFrameHandle);
}
return true;
}
@FXML
void dragExited(DragEvent event) {
/* mouse moved away, remove the graphical cues */
imageView.setEffect(null);
event.consume();
}
@FXML
void dragDropped(DragEvent event) {
/* data dropped */
/* if there is a string data on dragboard, read it and use it */
Dragboard db = event.getDragboard();
boolean success = false;
if (db.hasUrl()) {
imageView.setImage(new LocatedImage(db.getUrl()));
success = true;
}
/* let the source know whether the string was successfully
* transferred and used */
event.setDropCompleted(success);
event.consume();
}
@FXML
public void webViewDragDropped(DragEvent event) {
Dragboard db = event.getDragboard();
boolean dropCompleted = false;
if (db.hasFiles()) {
File draggedFile = db.getFiles().get(0);
if (draggedFile.getName().toLowerCase().endsWith(".html")) {
try {
URL url = new URL("file", "", draggedFile.getAbsolutePath());
loadContent(url);
dropCompleted = true;
} catch (MalformedURLException ex) {
}
}
}
event.setDropCompleted(dropCompleted);
}
@FXML
public void webViewDragOver(DragEvent event) {
event.acceptTransferModes(TransferMode.COPY_OR_MOVE);
}
@Override
public HandlerRegistration addDragHandler(DragHandler handler) {
return handlers.addHandler(DragEvent.getType(), handler);
}
