public AutoFormsCustomAttribute(
string customControlType,
string label = null,
AutoFormsOrientation orientation = AutoFormsOrientation.Default,
AutoFormsLayoutOptions horizontalLabelOptions = AutoFormsLayoutOptions.Default,
AutoFormsLayoutOptions horizontalControlOptions = AutoFormsLayoutOptions.Default,
double controlWidthRequest = -1,
string itemStyle = null,
string labelStyleOverride = null,
string placeholder = null,
double heightRequest = -1,
string isVisible = null,
string isEnabled = null,
string isFocused = null,
int filter = 0,
double paddingLeft = 0,
double paddingRight = 0,
double paddingTop = 0,
double paddingBottom = 0,
double layoutHorizontalPercentageOverride = -1,
string[] grouped = null
) :
base(label, AutoFormsType.Custom, orientation, horizontalLabelOptions, horizontalControlOptions, controlWidthRequest, itemStyle, labelStyleOverride, placeholder, heightRequest, isVisible, isEnabled, isFocused, filter,
paddingLeft, paddingRight, paddingTop, paddingBottom, layoutHorizontalPercentageOverride, grouped)
{
CustomControlType = customControlType;
}
protected View CreateControlContainer(string bindingName, Type fieldType, AutoFormsOrientation orientation)
{
var c = CreateControl(bindingName, fieldType);
if (c == null)
{
return(null);
}
if (_attribute.ControlWidthRequest > 0)
{
c.WidthRequest = _attribute.ControlWidthRequest;
}
SetHorizontalLayoutOptions(c, _attribute.HorizontalControlOptions);
if (orientation == AutoFormsOrientation.Horizontal)
{
Grid.SetColumn(c, 1);
}
else if (orientation == AutoFormsOrientation.HorizontalReversed)
{
Grid.SetColumn(c, 0);
}
else
{
Grid.SetRow(c, 1);
}
return(c);
}
public AutoFormsListItemAttribute(
string label = null,
double value = 1,
GridUnitType gridType = GridUnitType.Star,
string itemStyle = null,
string labelStyleOverride = null,
TextAlignment horizontalHeaderAlignment = TextAlignment.Start,
TextAlignment horizontalItemAlignment = TextAlignment.Start,
AutoFormsType type = AutoFormsType.Auto,
AutoFormsOrientation orientation = AutoFormsOrientation.Horizontal,
AutoFormsLayoutOptions horizontalLabelOptions = AutoFormsLayoutOptions.Default,
AutoFormsLayoutOptions horizontalControlOptions = AutoFormsLayoutOptions.Default,
int controlWidthRequest = -1,
string placeholder = null,
int heightRequest = -1,
string isVisible = null,
string isEnabled = null,
string isFocused = null,
int filter = 0,
string[] grouped = null,
object sortValue = null) : base(
label, type, orientation, horizontalLabelOptions, horizontalControlOptions, controlWidthRequest, itemStyle, labelStyleOverride, placeholder, heightRequest, isVisible, isEnabled, isFocused, filter, grouped: grouped)
{
Value = value;
GridType = gridType;
HorizontalHeaderAlignment = horizontalHeaderAlignment;
HorizontalItemAlignment = horizontalItemAlignment;
SortValue = sortValue;
}
public AutoFormsAttribute(
string label = null,
AutoFormsType type = AutoFormsType.Auto,
AutoFormsOrientation orientation = AutoFormsOrientation.Default,
AutoFormsLayoutOptions horizontalLabelOptions = AutoFormsLayoutOptions.Default,
AutoFormsLayoutOptions horizontalControlOptions = AutoFormsLayoutOptions.Default,
double controlWidthRequest = -1,
string itemStyle = null,
string labelStyleOverride = null,
string placeholder = null,
double heightRequest = -1,
string isVisible = null,
string isEnabled = null,
string isFocused = null,
int filter = 0,
double paddingLeft = 25,
double paddingRight = 25,
double paddingTop = 0,
double paddingBottom = 20,
double layoutHorizontalPercentageOverride = -1,
string[] grouped = null) : base(filter)
{
Label = label;
ItemStyle = itemStyle;
LabelStyleOverride = labelStyleOverride;
Placeholder = placeholder;
Type = type;
HeightRequest = heightRequest;
IsVisible = isVisible;
IsEnabled = isEnabled;
IsFocused = isFocused;
PaddingLeft = paddingLeft;
PaddingRight = paddingRight;
PaddingTop = paddingTop;
PaddingBottom = paddingBottom;
LayoutHorizontalPercentageOverride = layoutHorizontalPercentageOverride;
Grouped = grouped;
Orientation = orientation;
HorizontalLabelOptions = horizontalLabelOptions;
HorizontalControlOptions = horizontalControlOptions;
ControlWidthRequest = controlWidthRequest;
}
protected virtual View CreateLabel(string label, Style labelStyle, AutoFormsOrientation orientation, int col = 0, int row = 0)
{
var l = new Label
{
Style = _labelStyleOverride ?? labelStyle,
Text = GetLocalizedString(label),
VerticalOptions =
orientation == AutoFormsOrientation.Horizontal && _attribute.HeightRequest > 0
? LayoutOptions.StartAndExpand
: LayoutOptions.CenterAndExpand,
VerticalTextAlignment = TextAlignment.Center,
HorizontalOptions = LayoutOptions.Fill,
HorizontalTextAlignment = orientation == AutoFormsOrientation.Horizontal
? TextAlignment.End
: TextAlignment.Start,
LineBreakMode = LineBreakMode.WordWrap,
Margin = new Thickness(0, 0, 0, 0),
GestureRecognizers =
{
new TapGestureRecognizer
{
Command = new Command(OnSelectedText)
}
}
};
if (string.IsNullOrEmpty(_attribute.IsVisible) == false)
{
l.SetBinding(IsVisibleProperty, new Binding(_attribute.IsVisible, BindingMode.TwoWay));
}
//update the horizontal options if provided
if (_attribute.Orientation == AutoFormsOrientation.Horizontal)
{
SetHorizontalLayoutOptions(l, _attribute.HorizontalLabelOptions);
}
Grid.SetColumn(l, col);
Grid.SetRow(l, row);
return(l);
}
private void AddControlContainers(string bindingName, Type propertyType, AutoFormsOrientation orientation)
{
var dict = EnumHelper.ToDictionary(propertyType);
var inline = false;
if (_attribute is AutoFormsRadioButtonAttribute rba)
{
inline = rba.Inline;
}
var g = new RadioGroup
{
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.StartAndExpand,
};
g.SetBinding(
RadioGroup.SelectedIndexProperty,
new Binding(bindingName, BindingMode.TwoWay, new EnumConverter(), propertyType));
var h = new Grid
{
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.StartAndExpand,
};
if (orientation == AutoFormsOrientation.Horizontal)
{
Grid.SetRow(g, 1);
Grid.SetColumn(g, 1);
Grid.SetRow(h, 0);
Grid.SetColumn(h, 1);
}
else
{
Grid.SetRow(g, 1);
Grid.SetColumn(g, 1);
Grid.SetRow(h, 1);
Grid.SetColumn(h, 0);
}
foreach (var kvp in dict)
{
var radio = new RadioButton
{
HorizontalOptions = inline ? LayoutOptions.End : LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
};
var lbl = new Label
{
Style = LabelStyle,
Text = kvp.Value,
VerticalOptions = LayoutOptions.CenterAndExpand,
VerticalTextAlignment = TextAlignment.Center,
HorizontalOptions = LayoutOptions.Fill,
HorizontalTextAlignment = inline ? TextAlignment.Start : TextAlignment.Center,
LineBreakMode = LineBreakMode.WordWrap,
GestureRecognizers =
{
new TapGestureRecognizer
{
Command = new Command(() => radio.SelectItem())
}
}
};
if (_attribute.Orientation == AutoFormsOrientation.Horizontal)
{
if (!inline)
{
g.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.Star
});
h.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.Star
});
Grid.SetColumn(radio, g.ColumnDefinitions.Count - 1);
Grid.SetColumn(lbl, g.ColumnDefinitions.Count - 1);
}
else
{
g.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.Star
});
Grid.SetColumn(radio, g.ColumnDefinitions.Count - 1);
g.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.Star
});
Grid.SetColumn(lbl, g.ColumnDefinitions.Count - 1);
}
}
else
{
// have to force them the same height
h.RowDefinitions.Add(new RowDefinition {
Height = 40
});
g.RowDefinitions.Add(new RowDefinition {
Height = 40
});
Grid.SetRow(radio, g.RowDefinitions.Count - 1);
Grid.SetRow(lbl, g.RowDefinitions.Count - 1);
if (!inline)
{
lbl.HorizontalTextAlignment = TextAlignment.End;
radio.HorizontalOptions = LayoutOptions.StartAndExpand;
}
else
{
if (g.ColumnDefinitions.Count < 2)
{
g.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.Auto
});
}
if (g.ColumnDefinitions.Count < 2)
{
g.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.Star
});
}
Grid.SetColumn(radio, 0);
Grid.SetColumn(lbl, 1);
}
}
if (!inline)
{
h.Children.Add(lbl);
}
else
{
g.Children.Add(lbl);
}
g.Children.Add(radio);
}
if (_attribute.Orientation == AutoFormsOrientation.Horizontal)
{
SetHorizontalLayoutOptions(g, _attribute.HorizontalControlOptions);
SetHorizontalLayoutOptions(h, _attribute.HorizontalControlOptions);
}
if (_attribute.ControlWidthRequest > 0)
{
g.WidthRequest = _attribute.ControlWidthRequest;
h.WidthRequest = _attribute.ControlWidthRequest;
}
var c = Content as Grid;
c.Children.Add(g);
if (!_hideHeader && !inline)
{
c.Children.Add(h);
}
}
private void AddControlContainers(string bindingName, Type propertyType, AutoFormsOrientation orientation)
{
var dict = EnumHelper.ToDictionary(propertyType);
var g = new SelectButtonGroup()
{
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.StartAndExpand,
ColumnDefinitions =
{
new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
},
new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
},
new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
},
},
ColumnSpacing = 10,
RowSpacing = 10
};
g.SetBinding(
SelectButtonGroup.SelectedIndexProperty,
new Binding(bindingName, BindingMode.TwoWay, new EnumConverter(), propertyType));
for (var i = 0; i < (dict.Count / 3) + 1; i++)
{
g.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
}
if (orientation == AutoFormsOrientation.Horizontal)
{
Grid.SetRow(g, 0);
Grid.SetColumn(g, 1);
}
else
{
Grid.SetRow(g, 1);
Grid.SetColumn(g, 0);
}
var row = 0;
var col = 0;
foreach (var kvp in dict)
{
if (col >= g.ColumnDefinitions.Count)
{
col = 0; //set the column
row++;
}
var button = new SelectButton()
{
HorizontalOptions = LayoutOptions.FillAndExpand,
Text = GetLocalizedString(kvp.Value),
Style = _itemStyle,
};
Grid.SetColumn(button, col++);
Grid.SetRow(button, row);
g.Children.Add(button);
}
var c = Content as Grid;
c.Children.Add(g);
}
