public TablePage()
{
this.Title = "Carousel Table Demo";
//created by davidbagno@[email protected]
var pageStack = new StackLayout
{
Padding = 0,
Spacing = 0,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.StartAndExpand,
};
var pageScroll = new ScrollView
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.StartAndExpand,
Padding = 0,
Content = pageStack,
};
var d1 = new TableArray
{
TableTitle = DateTime.Now.Year.ToString() + " Year In Review",
TableData = new string[31, 12]
};
for (int r = 0; r < 31; r++)
{
for (int c = 0; c < 12; c++)
{
if (r == 0)
{
d1.TableData[r, c] = CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(c + 1);
}
else
{
d1.TableData[r, c] = String.Format("Total: {0:C}", App.GetRandomNumber(100, 100000));
}
}
}
var d2 = new TableArray
{
TableTitle = DateTime.Now.AddYears(-1).Year.ToString() + " Year In Review",
TableData = new string[31, 12]
};
for (int r = 0; r < 31; r++)
{
for (int c = 0; c < 12; c++)
{
if (r == 0)
{
d2.TableData[r, c] = CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(c + 1);
}
else
{
d2.TableData[r, c] = String.Format("Total: {0:C}", App.GetRandomNumber(100, 100000));
}
}
}
pageStack.Children.Add(new CarouselTable(d1));
pageStack.Children.Add(new CarouselTable(d2));
this.Content = pageScroll;
}
public PageGrid(TableArray tableArray, CarouselTable outerClass)
{
int rows = tableArray.TableData.GetUpperBound(0);
int columns = tableArray.TableData.GetUpperBound(1);
int rowHeight = 20;
HorizontalOptions = LayoutOptions.FillAndExpand;
VerticalOptions = LayoutOptions.StartAndExpand;
//HeightRequest = rowHeight * 21;
ColumnSpacing = .5;
RowSpacing = .5;
Padding = .5;
BackgroundColor = Color.Gray.WithLuminosity(.9);
ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.Auto
});
ColumnDefinitions.Add(new ColumnDefinition());
RowDefinitions.Add(new RowDefinition());
legendGrid = new Grid
{
ColumnSpacing = .5,
RowSpacing = .5,
Padding = .5,
BackgroundColor = Color.Gray.WithLuminosity(.9),
HeightRequest = this.HeightRequest,
};
legendGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.Auto
});
for (int i = 0; i < columns + 1; i++)
{
legendGrid.RowDefinitions.Add(new RowDefinition {
Height = rowHeight
});
var legendStack = new StackLayout
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Padding = 2.5,
BackgroundColor = Color.Gray.WithLuminosity(.98),
};
var legendLabel = new Label
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
VerticalTextAlignment = TextAlignment.Center,
HorizontalTextAlignment = TextAlignment.End,
FontSize = FontSize,
Text = tableArray.TableData[0, i],
TextColor = Color.Black.WithLuminosity(.25),
FontAttributes = FontAttributes.Bold,
};
legendStack.Children.Add(legendLabel);
legendGrid.Children.Add(legendStack, 0, i);
this.Children.Add(legendGrid, 0, 0);
}
#region scrollingGrid
tableGrid = new Grid
{
ColumnSpacing = .5,
RowSpacing = .5,
Padding = .5,
BackgroundColor = Color.Gray.WithLuminosity(.7),
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.StartAndExpand,
};
for (int i = 0; i < columns + 1; i++)
{
tableGrid.RowDefinitions.Add(new RowDefinition {
Height = rowHeight
});
}
for (int i = 0; i < rows + 1; i++)
{
tableGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.Auto
});
}
tableScroll = new ScrollView
{
Orientation = ScrollOrientation.Horizontal,
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
Padding = 0,
BackgroundColor = Color.White,
};
for (int r = 0; r <= columns; r++)
{
for (int c = 0; c < rows; c++)
{
var cellStack = new StackLayout
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Padding = 2.5,
BackgroundColor = (c % 2 == 0) ? Color.FromHex("#D1EEFC").WithLuminosity(.98) : Color.White,
};
var cellLabel = new Label
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
VerticalTextAlignment = TextAlignment.Center,
HorizontalTextAlignment = TextAlignment.Start,
FontSize = FontSize,
Text = tableArray.TableData[c + 1, r],
TextColor = Color.Black.WithLuminosity(.35),
};
cellStack.Children.Add(cellLabel);
tableGrid.Children.Add(cellStack, c, r);
Debug.WriteLine(tableArray.TableData[c + 1, r]);
}
}
tableScroll.Content = tableGrid;
this.Children.Add(tableScroll, 1, 0);
#endregion
}
public CarouselTable(TableArray tableArray)
{
this.Padding = 10;
TableStack = new StackLayout
{
VerticalOptions = LayoutOptions.StartAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
Padding = 0,
Spacing = 0,
BackgroundColor = Color.Gray.WithLuminosity(.9),
Orientation = StackOrientation.Vertical,
};
var headerStack = new StackLayout
{
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
Orientation = StackOrientation.Horizontal,
Padding = 1,
Spacing = 4,
};
AI = new ActivityIndicator
{
IsRunning = true,
IsVisible = true,
};
headerStack.Children.Add(AI);
var headerLabel = new Label
{
VerticalOptions = LayoutOptions.StartAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalTextAlignment = TextAlignment.Center,
HorizontalTextAlignment = TextAlignment.Center,
Text = tableArray.TableTitle,
LineBreakMode = LineBreakMode.TailTruncation,
FontSize = 14,
HeightRequest = 20,
TextColor = Color.Black.WithLuminosity(.25),
FontAttributes = FontAttributes.Bold,
};
headerStack.Children.Add(headerLabel);
TableStack.Children.Add(headerStack);
VerticalScroll = new ScrollView
{
VerticalOptions = LayoutOptions.StartAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
Padding = 0,
Orientation = ScrollOrientation.Vertical,
};
TableStack.Children.Add(VerticalScroll);
var tableBorder = new StackLayout
{
BackgroundColor = Color.Gray.WithLuminosity(.6),
Spacing = 0,
Padding = .5,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.StartAndExpand,
};
tableBorder.Children.Add(TableStack);
this.Content = tableBorder;
pageGrid = new PageGrid(tableArray, this);
pageGrid.tableScroll.Scrolled += ((object sender, ScrolledEventArgs e) =>
{
if (IsBusy)
{
return;
}
if (Math.Abs(e.ScrollX) < .001)
{
SelectCircle(CircleLabels[0]);
return;
}
for (int i = 0; i < tableArray.TableData.GetUpperBound(0); i++)
{
if (i % 2 == 0)
{
var l = pageGrid.tableGrid.Children[i].Bounds.Left;
var w = pageGrid.tableGrid.Children[i].Bounds.Right;
if (e.ScrollX >= l && e.ScrollX <= w)
{
SelectCircle(CircleLabels[i]);
return;
}
}
}
});
SizeChanged += ((object sender, EventArgs e) =>
{
if ((sender as ContentView).Height > 0 && Math.Abs((sender as ContentView).Height - _height) > .001)
{
this._width = (sender as ContentView).Width;
this._height = (sender as ContentView).Height;
if (SelectorStack == null)
{
DrawSelector(tableArray);
IsBusy = true;
}
}
});
}
public void DrawSelector(TableArray tableArray)
{
Device.StartTimer(TimeSpan.FromMilliseconds(100), () =>
{
Device.BeginInvokeOnMainThread(() =>
{
SelectorStack = new StackLayout
{
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
HeightRequest = 20,
Padding = 0,
Spacing = 4,
Orientation = StackOrientation.Horizontal,
};
if (TableStack.Children.Count == 2)
{
CircleLabels = new List <CircleLabel>();
for (int r = 0; r < tableArray.TableData.GetUpperBound(0); r++)
{
var circleLabel = new CircleLabel(r);
if (r % 2 == 0)
{
circleLabel.IsVisible = true;
}
else
{
circleLabel.IsVisible = false;
}
var tapGestureRecognizer = new TapGestureRecognizer();
tapGestureRecognizer.Tapped += async(CircleLabel, e) =>
{
IsBusy = true;
var cell = pageGrid.tableGrid.Children[(CircleLabel as CircleLabel).Index];
SelectCircle((CircleLabel as CircleLabel));
await pageGrid.tableScroll.ScrollToAsync(cell.Bounds.Left, 0, true);
IsBusy = false;
};
circleLabel.GestureRecognizers.Add(tapGestureRecognizer);
SelectorStack.Children.Add(circleLabel);
CircleLabels.Add(circleLabel);
}
}
if (TableStack.Children.Count == 2)
{
var selectorScroll = new ScrollView
{
Orientation = ScrollOrientation.Horizontal,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.StartAndExpand,
Padding = 0,
Content = SelectorStack,
};
TableStack.Children.Add(selectorScroll);
AI.IsVisible = false;
AI.IsRunning = false;
VerticalScroll.Content = pageGrid;
Device.StartTimer(TimeSpan.FromMilliseconds(10), () =>
{
if (pageGrid.tableScroll.ContentSize.Width > pageGrid.tableScroll.Width)
{
SelectorStack.IsVisible = true;
}
else
{
SelectorStack.IsVisible = false;
}
return(false);
});
IsBusy = false;
}
});
return(false);
});
}
