void InitDragGesture()
{
var menu = Element as SlideCustomDialog;
if (menu == null)
{
return;
}
if (ScreenSizeHelper.ScreenHeight == 0 && ScreenSizeHelper.ScreenWidth == 0)
{
ScreenSizeHelper.ScreenWidth = Resources.DisplayMetrics.WidthPixels / Resources.DisplayMetrics.Density;
ScreenSizeHelper.ScreenHeight = Resources.DisplayMetrics.HeightPixels / Resources.DisplayMetrics.Density;
}
_dragGesture = new VerticalDrawer(menu, this.Resources.DisplayMetrics.Density);
_dragGesture.RequestLayout = (l, t, r, b, desity) =>
{
this.SetX((float)l);
this.SetY((float)t);
};
}
public AnimatorListener(IDialogDrawer dragGesture, bool isShow, IMenuContainerPage basePage)
{
_dragGesture = dragGesture;
_isShow = isShow;
_basePage = basePage;
}
void LayoutMenu()
{
if (!CheckPageAndMenu())
{
return;
}
//// areadly add gesture
//if (_dialogDrawer != null)
//return;
var menu = _basePage.SlideMenu;
_dialogDrawer = new VerticalDrawer(menu);
_dialogDrawer.RequestLayout = (l, t, r, b, density) =>
{
_wrapper.Frame = new CGRect(l, t, (r - l), (b - t));
_wrapper.SetNeedsLayout();
};
_dialogDrawer.NeedShowBackgroundView = (open, alpha) =>
{
if (open)
{
ShowBackgroundOverlay(alpha);
}
else
{
HideBackgroundOverlay();
}
};
_basePage.HideMenuAction = () =>
{
UIView.Animate(((double)menu.AnimationDurationMillisecond) / 1000, () => { _dialogDrawer.LayoutHideStatus(); }, () => { _basePage.OnAnimationCompleted(); });
};
_basePage.ShowMenuAction = () =>
{
UIView.Animate(((double)menu.AnimationDurationMillisecond) / 1000, () => { _dialogDrawer.LayoutShowStatus(); }, () => { _basePage.OnAnimationCompleted(); });
};
if (_wrapper != null)
{
RemoveView();
}
_wrapper = new FormsElementWrapper(menu, this.Element);
AddView();
var rect = _dialogDrawer.GetHidePosition();
menu.Layout(new Rectangle(
rect.left,
rect.top,
(rect.right - rect.left),
(rect.bottom - rect.top)));
_wrapper.Frame = new CGRect(
rect.left,
rect.top,
(rect.right - rect.left),
(rect.bottom - rect.top));
_wrapper.SetNeedsLayout();
_wrapper.Layer.CornerRadius = (nfloat)_basePage.SlideMenu.CornerRadius;
_wrapper.Renderer.NativeView.Layer.CornerRadius = (nfloat)_basePage.SlideMenu.CornerRadius;
}
void AddMenu()
{
if (_basePage == null)
{
return;
}
var menu = _basePage.SlideMenu;
if (menu == null)
{
return;
}
_basePage.HideMenuAction = () =>
{
if (_dialogDrawer == null)
{
return;
}
var r = _dialogDrawer.GetHidePosition();
formsWrapper.Animate()
.X((float)r.left)
.Y((float)r.top)
.SetDuration(menu.AnimationDurationMillisecond)
.SetListener(new AnimatorListener(_dialogDrawer, false, _basePage))
.Start();
};
_basePage.ShowMenuAction = () =>
{
if (_dialogDrawer == null)
{
return;
}
var r = _dialogDrawer.GetShowPosition();
formsWrapper.Animate()
.X((float)r.left)
.Y((float)r.top)
.SetDuration(menu.AnimationDurationMillisecond)
.SetListener(new AnimatorListener(_dialogDrawer, true, _basePage))
.Start();
};
if (formsWrapper != null)
{
formsWrapper.RemoveFromParent();
}
formsWrapper = new FormsElementWrapper(Context, menu, this.Element);
formsWrapper.SetBackgroundResource(Resource.Drawable.dialogBorder);
formsWrapper.Renderer.View.SetBackgroundResource(Resource.Drawable.dialogBorder);
var metrics = Resources.DisplayMetrics;
var rootView = formsWrapper;
_dialogDrawer = (formsWrapper.Renderer as SlideMenuDroidRenderer).GragGesture;
if (_dialogDrawer == null)
{
return;
}
var rect = _dialogDrawer.GetHidePosition();
menu.Layout(new Xamarin.Forms.Rectangle(
rect.left / metrics.Density,
rect.top / metrics.Density,
(rect.right - rect.left) / metrics.Density,
(rect.bottom - rect.top) / metrics.Density));
rootView.Layout((int)rect.left, (int)rect.top, (int)rect.right, (int)rect.bottom);
ViewGroup.AddView(rootView);
ViewGroup.BringChildToFront(rootView);
_dialogDrawer.NeedShowBackgroundView = (open, alpha) =>
{
if (open)
{
ShowBackgroundOverlay(alpha);
}
else
{
HideBackgroundOverlay();
}
};
}
