public async Task AutoSizeInitializesCorrectly(EditorAutoSizeOption option)
{
var editor = new Editor
{
AutoSize = option,
Text = "Test"
};
IView layout = new VerticalStackLayout()
{
Children =
{
editor
}
};
await CreateHandlerAndAddToWindow <LayoutHandler>(layout, (_) =>
{
layout.Arrange(new Graphics.Rect(Graphics.Point.Zero, layout.Measure(1000, 1000)));
var initialHeight = editor.Height;
editor.Text += Environment.NewLine + " Some new text" + Environment.NewLine;
layout.Arrange(new Graphics.Rect(Graphics.Point.Zero, layout.Measure(1000, 1000)));
if (option == EditorAutoSizeOption.Disabled)
{
Assert.Equal(initialHeight, editor.Height);
}
else
{
Assert.True(initialHeight < editor.Height);
}
return(Task.CompletedTask);
});
}
public async Task AutoSizeInitializesCorrectly(EditorAutoSizeOption option)
{
var editor = new Editor
{
AutoSize = option,
Text = "Test"
};
IView layout = new VerticalStackLayout()
{
Children =
{
editor
}
};
await InvokeOnMainThreadAsync(() =>
{
_ = CreateHandler <LayoutHandler>(layout);
layout.Arrange(new Graphics.Rectangle(Graphics.Point.Zero, layout.Measure(1000, 1000)));
var initialHeight = editor.Height;
editor.Text += Environment.NewLine + " Some new text" + Environment.NewLine;
layout.Arrange(new Graphics.Rectangle(Graphics.Point.Zero, layout.Measure(1000, 1000)));
if (option == EditorAutoSizeOption.Disabled)
{
Assert.Equal(initialHeight, editor.Height);
}
else
{
Assert.True(initialHeight < editor.Height);
}
});
}
protected override void Init()
{
StackLayout container = new StackLayout()
{
BackgroundColor = Color.Purple
};
StackLayout layout = new StackLayout()
{
BackgroundColor = Color.Pink,
HeightRequest = 200
};
var editor = new Editor()
{
BackgroundColor = Color.Green,
MinimumHeightRequest = 10,
AutoSize = EditorAutoSizeOption.TextChanges,
AutomationId = editorHeightShrinkWithPressureId
};
var editorHeightGrow = new Editor()
{
BackgroundColor = Color.Green,
MinimumHeightRequest = 200,
AutoSize = EditorAutoSizeOption.TextChanges,
AutomationId = editorHeightGrowId
};
layout.Children.Add(editor);
layout.Children.Add(editorHeightGrow);
StackLayout layoutHorizontal = new StackLayout()
{
BackgroundColor = Color.Yellow,
Orientation = StackOrientation.Horizontal
};
var editorWidthGrow1 = new Editor()
{
BackgroundColor = Color.Green,
MinimumWidthRequest = 10,
AutoSize = EditorAutoSizeOption.TextChanges,
AutomationId = editorWidthGrow1Id
};
var editorWidthGrow2 = new Editor()
{
BackgroundColor = Color.Green,
MinimumWidthRequest = 200,
AutoSize = EditorAutoSizeOption.TextChanges,
AutomationId = editorWidthGrow2Id,
ClassId = editorWidthGrow2Id
};
layoutHorizontal.Children.Add(editorWidthGrow1);
layoutHorizontal.Children.Add(editorWidthGrow2);
container.Children.Add(layout);
container.Children.Add(layoutHorizontal);
List <Editor> editors = new List <Editor>()
{
editor, editorHeightGrow, editorWidthGrow1, editorWidthGrow2
};
Button buttonChangeFont = new Button()
{
Text = btnChangeFontToLarger
};
Button buttonChangeText = new Button()
{
Text = btnChangeToHasText
};
Button buttonChangeSizeOption = new Button()
{
Text = btnChangeSizeOption
};
double fontSizeInitial = editor.FontSize;
buttonChangeFont.Clicked += (x, y) =>
{
editors.ForEach(e =>
{
if (e.FontSize == fontSizeInitial)
{
e.FontSize = 40;
Device.BeginInvokeOnMainThread(() => buttonChangeFont.Text = btnChangeFontToDefault);
}
else
{
e.FontSize = fontSizeInitial;
Device.BeginInvokeOnMainThread(() => buttonChangeFont.Text = btnChangeFontToLarger);
}
});
};
buttonChangeText.Clicked += (_, __) =>
{
editors.ForEach(e =>
{
if (String.IsNullOrWhiteSpace(e.Text))
{
e.Text = String.Join(" ", Enumerable.Range(0, 100).Select(x => "f").ToArray());
Device.BeginInvokeOnMainThread(() => buttonChangeText.Text = btnChangeToNoText);
}
else
{
e.Text = String.Empty;
Device.BeginInvokeOnMainThread(() => buttonChangeText.Text = btnChangeToHasText);
}
});
};
buttonChangeSizeOption.Clicked += (_, __) =>
{
editors.ForEach(e =>
{
EditorAutoSizeOption option = EditorAutoSizeOption.TextChanges;
if (e.AutoSize == option)
{
option = EditorAutoSizeOption.Disabled;
}
e.AutoSize = option;
});
};
StackLayout commands = new StackLayout();
commands.Children.Add(buttonChangeFont);
commands.Children.Add(buttonChangeText);
commands.Children.Add(buttonChangeSizeOption);
Label sizeOption = new Label();
sizeOption.SetBinding(Label.TextProperty, new Binding(nameof(Editor.AutoSize), source: editor));
container.Children.Add(sizeOption);
var valueConverter = new InvariantConverter();
editors.ForEach(e =>
{
StackLayout commandLayout = new StackLayout()
{
Orientation = StackOrientation.Horizontal
};
commands.Children.Add(commandLayout);
Label automationLabelId = new Label();
automationLabelId.SetBinding(Label.TextProperty, new Binding(nameof(Editor.AutomationId), source: e));
Label width = new Label();
width.SetBinding(Label.TextProperty, new Binding(nameof(Editor.Width), source: e, converter: valueConverter));
width.AutomationId = e.AutomationId + "_width";
Label height = new Label();
height.SetBinding(Label.TextProperty, new Binding(nameof(Editor.Height), source: e, converter: valueConverter));
height.AutomationId = e.AutomationId + "_height";
commandLayout.Children.Add(automationLabelId);
commandLayout.Children.Add(width);
commandLayout.Children.Add(height);
});
StackLayout content = new StackLayout();
content.Children.Add(new ScrollView()
{
Content = container
});
content.Children.Add(commands);
Content = content;
}
SizeRequest CalculateDesiredSizes(FormsTextBox control, global::Windows.Foundation.Size constraint, EditorAutoSizeOption sizeOption)
{
if (sizeOption == EditorAutoSizeOption.TextChanges)
{
Size result = GetCopyOfSize(control, constraint);
control.Measure(constraint);
return(new SizeRequest(result));
}
else
{
control.Measure(constraint);
Size result = new Size(Math.Ceiling(control.DesiredSize.Width), Math.Ceiling(control.DesiredSize.Height));
return(new SizeRequest(result));
}
}
public static Editor AutoSize(this Editor editor, EditorAutoSizeOption autoSize)
{
editor.AutoSize = autoSize;
return(editor);
}
public static T AutoSize <T>(this T editor, EditorAutoSizeOption autoSize) where T : IRxEditor
{
editor.AutoSize = autoSize;
return(editor);
}