private void ReleaseDrag()
{
screenView.ReleaseMouseCapture();
screenView.MouseMove -= OnMouseMove;
screenView.MouseUp -= OnMouseUp;
draggingView = null;
}
public View GetView(int position, View convertView, ViewGroup parent)
{
Context c;
if (!_contextReference.TryGetTarget(out c) || _adapter == null)
{
return(null);
}
LinearLayout view = null;
if (!(convertView is LinearLayout) || !((int)convertView.Tag).Equals(_itemsPerRow))
{
// create a linear Layout
view = new LinearLayout(c);
view.SetPadding(0, 0, _cellSpacing, 0);
view.LayoutParameters = _rowLayoutParams;
view.Orientation = Orientation.Horizontal;
view.BaselineAligned = false;
view.Tag = Integer.ValueOf(_itemsPerRow);
}
else
{
view = (LinearLayout)convertView;
}
for (var i = 0; i < _itemsPerRow; ++i)
{
var subView = i < view.ChildCount ? view.GetChildAt(i) : null;
var p = position * _itemsPerRow + i;
var newView = subView;
if (p < _adapter.Count)
{
if (subView is PlaceholderView)
{
view.RemoveView(subView);
subView = null;
}
newView = _adapter.GetView(p, subView, view);
}
else if (subView == null || !(subView is PlaceholderView))
{
newView = new PlaceholderView(c);
}
if (newView != subView || i >= view.ChildCount)
{
if (i < view.ChildCount)
{
view.RemoveView(subView);
}
newView.LayoutParameters = _itemLayoutParams;
view.AddView(newView, i);
}
}
return(view);
}
private void RightButtonClicked(object sender, MouseButtonEventArgs e)
{
PlaceholderView view = screenView.GetViewUnder(Mouse.GetPosition(screenView));
if (view == null)
{
return;
}
view.ShowLayoutFixMenu();
}
private void StartDrag(MouseButtonEventArgs e, PlaceholderView view)
{
draggingView = view;
dragMouseStart = e.GetPosition(screenView); // TODO sert à rien de le stocker
dragViewOffset = new Point(dragMouseStart.X - view.ContentBounds.X, dragMouseStart.Y - view.ContentBounds.Y);
screenView.CaptureMouse();
screenView.MouseMove += OnMouseMove;
screenView.MouseUp += OnMouseUp;
}
private void OnMouseMove(object sender, EventArgs e)
{
if (toolTipView != null)
{
double distance = Point.Subtract(Mouse.GetPosition(screenView), mouseTriggerPosition).Length;
if (distance > 10)
{
toolTipView.ShowToolTip(false);
toolTipView = null;
}
}
timer.Stop();
timer.Start();
}
private void OnMouseDown(object sender, MouseButtonEventArgs e)
{
Point mousePosition = e.GetPosition(screenView);
PlaceholderView view = screenView.GetViewUnder(mousePosition);
if (view == null)
{
interaction.DispatchEvent(new BaseEventArgs(ScreenViewMouseInteraction.EVENT_REQUEST_DESELECTION));
return;
}
if (view.IsSelected)
{
StartDrag(e, view);
}
else
{
interaction.DispatchEvent(new IntEventArgs(ScreenViewMouseInteraction.EVENT_REQUEST_SELECTION, view.Model.Id));
}
}
private void DisplayTooltip()
{
PlaceholderView view = screenView.GetViewUnder(Mouse.GetPosition(screenView));
if (view == null)
{
return;
}
if (!view.GetLabelHitTestRect().Contains(Mouse.GetPosition(screenView)))
{
return;
}
if (toolTipView != null)
{
toolTipView.ShowToolTip(false);
toolTipView = null;
}
toolTipView = view;
mouseTriggerPosition = Mouse.GetPosition(screenView);
view.ShowToolTip(true);
}
public PlaceholderViewEventArgs(int eventId, PlaceholderView view, Point point) : base(eventId)
{
View = view;
Point = point;
}
public View GetView(int position, View convertView, ViewGroup parent)
{
Context c;
if (!_contextReference.TryGetTarget(out c) || _adapter == null) return null;
LinearLayout view = null;
if ( !(convertView is LinearLayout) || !((int)convertView.Tag).Equals(_itemsPerRow))
{
// create a linear Layout
view = new LinearLayout(c);
view.SetPadding(0, 0, _cellSpacing, 0);
view.LayoutParameters = _rowLayoutParams;
view.Orientation = Orientation.Horizontal;
view.BaselineAligned = false;
view.Tag = Integer.ValueOf(_itemsPerRow);
}
else
{
view = (LinearLayout) convertView;
}
for (var i = 0; i < _itemsPerRow; ++i)
{
var subView = i < view.ChildCount ? view.GetChildAt(i) : null;
var p = position * _itemsPerRow + i;
var newView = subView;
if (p < _adapter.Count)
{
if (subView is PlaceholderView){
view.RemoveView(subView);
subView = null;
}
newView = _adapter.GetView(p, subView, view);
}
else if (subView == null || !(subView is PlaceholderView))
{
newView = new PlaceholderView(c);
}
if (newView != subView || i >= view.ChildCount) {
if (i < view.ChildCount) {
view.RemoveView(subView);
}
newView.LayoutParameters =_itemLayoutParams;
view.AddView(newView, i);
}
}
return view;
}
