/**
* Help to save and restore open/close state of the swipeLayout. Call this method
* when you bind your view holder with the data object.
*
* @param swipeLayout swipeLayout of the current view.
* @param id a string that uniquely defines the data object of the current view.
*/
public void bind(SwipeRevealLayout swipeLayout, string id)
{
base.ExecuteMethod("bind", delegate()
{
if (swipeLayout.shouldRequestLayout())
{
swipeLayout.RequestLayout();
}
mapLayouts.removeAllWithValue(swipeLayout);
mapLayouts.put(id, swipeLayout);
swipeLayout.abort();
swipeLayout.setDragStateChangeListener(new CustomListener(this, swipeLayout, id));
// first time binding.
if (!mapStates.ContainsKey(id))
{
mapStates.put(id, SwipeRevealLayout.STATE_CLOSE);
swipeLayout.close(false);
}
// not the first time, then close or open depends on the current state.
else
{
int state = mapStates.get(id);
if (state == SwipeRevealLayout.STATE_CLOSE || state == SwipeRevealLayout.STATE_CLOSING ||
state == SwipeRevealLayout.STATE_DRAGGING)
{
swipeLayout.close(false);
}
else
{
swipeLayout.open(false);
}
}
// set lock swipe
swipeLayout.setLockDrag(lockedSwipeSet.ContainsKey(id));
});
}
/**
* Close a specific layout.
* @param id unique id which identifies the data object which is bind to the layout.
*/
public void closeLayout(string id)
{
lock (stateChangeLock)
{
mapStates.put(id, SwipeRevealLayout.STATE_CLOSE);
SwipeRevealLayout layout = null;
if (mapLayouts.TryGetValue(id, out layout) && layout != null)
{
layout.close(true);
}
}
}
public override void OnViewReleased(View releasedChild, float xvel, float yvel)
{
bool velRightExceeded = _layout.pxToDp((int)xvel) >= _layout.mMinFlingVelocity;
bool velLeftExceeded = _layout.pxToDp((int)xvel) <= -_layout.mMinFlingVelocity;
bool velUpExceeded = _layout.pxToDp((int)yvel) <= -_layout.mMinFlingVelocity;
bool velDownExceeded = _layout.pxToDp((int)yvel) >= _layout.mMinFlingVelocity;
int pivotHorizontal = _layout.getHalfwayPivotHorizontal();
int pivotVertical = _layout.getHalfwayPivotVertical();
switch (_layout.mDragEdge)
{
case DRAG_EDGE_RIGHT:
if (velRightExceeded)
{
_layout.close(true);
}
else if (velLeftExceeded)
{
_layout.open(true);
}
else
{
if (_layout.mMainView.Right < pivotHorizontal)
{
_layout.open(true);
}
else
{
_layout.close(true);
}
}
break;
case DRAG_EDGE_LEFT:
if (velRightExceeded)
{
_layout.open(true);
}
else if (velLeftExceeded)
{
_layout.close(true);
}
else
{
if (_layout.mMainView.Left < pivotHorizontal)
{
_layout.close(true);
}
else
{
_layout.open(true);
}
}
break;
case DRAG_EDGE_TOP:
if (velUpExceeded)
{
_layout.close(true);
}
else if (velDownExceeded)
{
_layout.open(true);
}
else
{
if (_layout.mMainView.Top < pivotVertical)
{
_layout.close(true);
}
else
{
_layout.open(true);
}
}
break;
case DRAG_EDGE_BOTTOM:
if (velUpExceeded)
{
_layout.open(true);
}
else if (velDownExceeded)
{
_layout.close(true);
}
else
{
if (_layout.mMainView.Bottom < pivotVertical)
{
_layout.open(true);
}
else
{
_layout.close(true);
}
}
break;
}
}
