private void addText() {
if (isAPanel) {
// contains the draggable text
DraggableLabel label = new DraggableLabel(ta.getText());
label.getElement().getStyle().setDisplay(Display.INLINE_BLOCK);
label.getElement().getStyle().setFontSize(18, Unit.PX);
DragNDrop.makeDraggable(
label,
DragConfiguration.withProxy(
new DragNDropHandler() {
@Override
public void onStartDrag(String deviceId, Widget draggedWidget) {}
@Override
public void onEndOfDrop(
String deviceId,
Widget draggedWidget,
int dragProxyLeft,
int dragProxyTop,
Event event) {}
@Override
public boolean onDrop(
String deviceId,
Widget draggedWidget,
int dragProxyLeft,
int dragProxyTop,
Event event,
DropTargetHandler dropTarget,
boolean outOfBox) {
parent.setWidgetPosition(
draggedWidget,
dragProxyLeft - parent.getAbsoluteLeft(),
dragProxyTop - parent.getAbsoluteTop());
return true;
}
}));
/*
* add the new text in the abs panel
*/
parent.add(label);
textPos = setRandomPos(width, height, label);
parent.setWidgetPosition(label, textPos[0], textPos[1]);
}
}
private int[] setRandomPos(int tEdWidth, int tEdHeight, DraggableLabel l) {
int[] pos = {0, 0};
// System.out.println("Parent:" + parent.getElement().getClientWidth() + ", label: " +
// l.getElement().getClientWidth());
pos[0] = randomNum(20, parent.getElement().getClientWidth() - l.getElement().getClientWidth());
pos[1] = randomNum(20, parent.getElement().getClientHeight() - 50);
while (pos[0] <= tEdWidth || pos[1] <= tEdHeight) {
pos[0] =
randomNum(20, parent.getElement().getClientWidth() - l.getElement().getClientWidth());
pos[1] = randomNum(20, parent.getElement().getClientHeight() - 50);
}
return pos;
}