@Override
public boolean onTouchEvent(MotionEvent event) {
if (dragging) {
// doTask = false;
int action = event.getAction();
// downHeight = getHeight() - itemHeight;
switch (action) {
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
dragging = false;
if (currentPosView != null) currentPosView.setBackgroundDrawable(null);
// currentPosView.setBackgroundColor(0x00ffffff);
stopDrag();
// Log.d(tag, "stop " + dragCurPos);
if (dropOutListener != null
&& (event.getY() < 0 || (event.getY() + getTop()) > getBottom())
|| dragCurPos == DDGridView.INVALID_POSITION) {
dropOutListener.dropOut(dragItemFrom, (int) event.getX(), (int) event.getY());
} else if (dropListener != null && dragCurPos < getCount() && dragCurPos >= 0) {
dropListener.drop(dragItemFrom, dragCurPos);
}
break;
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_MOVE:
int x = (int) event.getX();
int y = (int) event.getY();
dragView(x, y);
int itemnum = pointToPosition(x, y);
if (itemnum == INVALID_POSITION) {
dragCurPos = itemnum;
break;
}
if (itemnum != dragCurPos && currentPosView != null) {
currentPosView.setBackgroundDrawable(null);
// currentPosView.setBackgroundColor(0x00ffffff);
}
currentPosView = getChildAt(itemnum - getFirstVisiblePosition());
if (currentPosView != null)
currentPosView.setBackgroundResource(R.drawable.list_drag_background);
if ((action == MotionEvent.ACTION_DOWN || itemnum != dragCurPos)) {
if (dragListener != null) {
dragListener.drag(dragCurPos, itemnum, action == MotionEvent.ACTION_DOWN);
}
dragCurPos = itemnum;
}
int viewHeight = getHeight() / 6;
if (y >= viewHeight * 5) {
if (itemnum == getCount() - 1) {
doTask = false;
break;
}
downing = true;
doTask = true;
sendMessage();
} else if (y <= viewHeight) {
if (itemnum == 0) {
doTask = false;
break;
}
downing = false;
doTask = true;
sendMessage();
} else {
doTask = false;
ha.removeMessages(0);
}
break;
}
return true;
}
return super.onTouchEvent(event);
}
