public DataGridRenderer() : base()
{
var gr_pan = new pan_gr(this);
gr_pan.MaximumNumberOfTouches = 1;
// TODO or maybe two fingers should be scroll but one finger is select?
this.AddGestureRecognizer(gr_pan);
var gr_singletap_datacells = new UITapGestureRecognizer(on_singletap);
gr_singletap_datacells.NumberOfTapsRequired = 1;
#if not // TODO worth noting that we don't have double tap or long press
var gr_doubletap_datacells = new UITapGestureRecognizer(on_doubletap);
gr_doubletap_datacells.NumberOfTapsRequired = 2;
gr_singletap_datacells.RequireGestureRecognizerToFail(gr_doubletap_datacells);
var gr_longpress_datacells = new UILongPressGestureRecognizer(on_longpress);
this.AddGestureRecognizer(gr_longpress_datacells);
this.AddGestureRecognizer(gr_doubletap_datacells);
#endif
this.AddGestureRecognizer(gr_singletap_datacells);
}
public ScrollableDataPanelView(IScrollablePanel <TGraphics> dp, Func <DataPanelView <TGraphics>, TGraphics> func_gr) : base(dp, func_gr)
{
var gr_pan = new pan_gr(this);
gr_pan.MaximumNumberOfTouches = 1;
// TODO or maybe two fingers should be scroll but one finger is select?
this.AddGestureRecognizer(gr_pan);
}
private static void on_fire(UIPanGestureRecognizer gr)
{
pan_gr me = gr as pan_gr;
if (gr.State == UIGestureRecognizerState.Began)
{
me._dg._mine.GetContentOffset(out me._began_x, out me._began_y);
}
else if (gr.State == UIGestureRecognizerState.Changed)
{
var pt = gr.TranslationInView(me._dg);
double x = me._began_x - pt.X;
double y = me._began_y - pt.Y;
me._dg._mine.SetContentOffset(x, y);
}
}
