void LogEvents(ColorPicker control)
{
control.ValueChanged += delegate
{
Log.Write(control, "SelectedColorChanged, Color: {0}", control.Value);
};
}
protected override Control CreateOptions()
{
var foregroundPicker = new ColorPicker();
foregroundPicker.ValueChanged += (sender, e) =>
{
foreach (var update in foregroundUpdates)
update(foregroundPicker.Value);
};
var backgroundPicker = new ColorPicker();
backgroundPicker.ValueChanged += (sender, e) =>
{
foreach (var update in backgroundUpdates)
update(backgroundPicker.Value);
};
var formColorPicker = new ColorPicker { Value = BackgroundColor };
formColorPicker.ValueChanged += (sender, e) => BackgroundColor = formColorPicker.Value;
var fontPicker = new Button { Text = "Pick Font" };
fontPicker.Click += (sender, e) =>
{
var dlg = new FontDialog();
dlg.FontChanged += (sender2, e2) =>
{
var font = dlg.Font;
foreach (var update in fontUpdates)
update(font);
};
dlg.ShowDialog(this);
};
return new StackLayout
{
Orientation = Orientation.Horizontal,
Spacing = 5,
Items = {
null,
new Label { Text = "Text", VerticalAlignment = VerticalAlignment.Center },
foregroundPicker,
new Label { Text = "Background", VerticalAlignment = VerticalAlignment.Center },
backgroundPicker,
new Label { Text = "Form", VerticalAlignment = VerticalAlignment.Center },
formColorPicker,
fontPicker,
null
}
};
}
protected override Control CreateOptions()
{
var foregroundPicker = new ColorPicker();
foregroundPicker.ValueChanged += (sender, e) =>
{
foreach (var update in foregroundUpdates)
update(foregroundPicker.Value);
};
var backgroundPicker = new ColorPicker();
backgroundPicker.ValueChanged += (sender, e) =>
{
foreach (var update in backgroundUpdates)
update(backgroundPicker.Value);
};
var formColorPicker = new ColorPicker { Value = BackgroundColor };
formColorPicker.ValueChanged += (sender, e) => BackgroundColor = formColorPicker.Value;
var fontPicker = new Button { Text = "Pick Font" };
fontPicker.Click += (sender, e) => {
var dlg = new FontDialog();
dlg.FontChanged += (sender2, e2) => {
var font = dlg.Font;
foreach (var update in fontUpdates)
update(font);
};
dlg.ShowDialog(this);
};
return new TableLayout(
new TableRow(
null,
new Label { Text = "Text", VerticalAlign = VerticalAlign.Middle },
foregroundPicker,
new Label { Text = "Background", VerticalAlign = VerticalAlign.Middle },
backgroundPicker,
new Label { Text = "Form", VerticalAlign = VerticalAlign.Middle },
formColorPicker,
fontPicker,
null
)
);
}
public DynamicFocusSection()
{
var content = new Panel();
var focusControlCheckBox = new CheckBox { Text = "Focus Control", Checked = true };
var addContentButton = new Button { Text = "Add Control" };
var count = 0;
addContentButton.Click += (sender, e) =>
{
Control control;
switch((count++) % 9)
{
case 0: control = new TextBox(); break;
case 1: control = new TextArea(); break;
case 2: control = new CheckBox { Text = "A Check Box" }; break;
case 3: control = new RadioButton { Text = "A Radio Button" }; break;
case 4: control = new DropDown { Items = { "Item 1", "Item 2", "Item 3" } }; break;
case 5: control = new DateTimePicker(); break;
case 6: control = new ColorPicker(); break;
case 7: control = new PasswordBox(); break;
case 8: control = new ListBox { Items = { "Item 1", "Item 2", "Item 3" } }; break;
case 9: control = new PasswordBox(); break;
default: throw new InvalidOperationException();
}
if (focusControlCheckBox.Checked ?? false)
control.Focus();
content.Content = new TableLayout(
null,
new Label { Text = string.Format("Control: {0}", control.GetType().Name) },
new TableRow(control),
null
);
};
Content = new TableLayout(
new TableLayout(new TableRow(null, addContentButton, focusControlCheckBox, null)),
content
);
}
/// <summary>
/// Raises the color changed event.
/// </summary>
public void OnColorChanged(ColorPicker widget, EventArgs e)
{
widget.Platform.Invoke(() => widget.OnColorChanged(e));
}
public RichTextAreaSection()
{
var richText = new RichTextArea();
richText.Size = new Size(-1, 300);
richText.Text = LoremText;
var range = new Range<int>(6, 10);
var buffer = richText.Buffer;
buffer.SetFont(range, Fonts.Cursive(20, FontStyle.Bold, FontDecoration.Underline));
buffer.SetForeground(range, Colors.Blue);
buffer.SetBackground(range, Colors.Yellow);
buffer.SetBold(new Range<int>(11, 16), true);
buffer.SetItalic(new Range<int>(18, 20), true);
buffer.SetUnderline(new Range<int>(22, 25), true);
buffer.SetStrikethrough(new Range<int>(28, 38), true);
richText.CaretIndex = LoremText.Length - 1;
richText.SelectionChanged += (sender, e) =>
{
UpdateBindings(BindingUpdateMode.Destination);
Log.Write(sender, "SelectionChanged: {0}", richText.Selection);
};
var boldButton = new CheckBox { Text = "Bold" };
boldButton.CheckedBinding.Bind(richText, r => r.SelectionBold);
boldButton.CheckedChanged += (sender, e) =>
{
richText.Focus();
UpdateBindings(BindingUpdateMode.Destination);
};
var italicButton = new CheckBox { Text = "Italic" };
italicButton.CheckedBinding.Bind(richText, r => r.SelectionItalic);
italicButton.CheckedChanged += (sender, e) =>
{
richText.Focus();
UpdateBindings(BindingUpdateMode.Destination);
};
var underlineButton = new CheckBox { Text = "Underline" };
underlineButton.CheckedBinding.Bind(richText, r => r.SelectionUnderline);
underlineButton.CheckedChanged += (sender, e) => richText.Focus();
var strikethroughButton = new CheckBox { Text = "Strikethrough" };
strikethroughButton.CheckedBinding.Bind(richText, r => r.SelectionStrikethrough);
strikethroughButton.CheckedChanged += (sender, e) => richText.Focus();
var backgroundButton = new ColorPicker { };
backgroundButton.ValueBinding.Bind(() => richText.SelectionBackground, val => richText.SelectionBackground = val, h => Binding.AddPropertyEvent(richText, r => r.SelectionBackground, h), h => Binding.RemovePropertyEvent(richText, h));
backgroundButton.ValueChanged += (sender, e) => richText.Focus();
var foregroundButton = new ColorPicker { };
foregroundButton.ValueBinding.Bind(richText, r => r.SelectionForeground);
foregroundButton.ValueChanged += (sender, e) => richText.Focus();
var fontButton = new Button();
fontButton.Bind(c => c.Text, new DelegateBinding<string>(() =>
{
var font = richText.SelectionFont;
if (font == null)
return "<No Font>";
return string.Format("{0}, {1}, {2:0.00}pt", font.FamilyName, font.Typeface.Name, font.Size);
}));
var fd = new FontDialog();
fontButton.Click += (sender, e) =>
{
fd.Font = richText.SelectionFont;
fd.FontChanged += (s, ee) =>
{
richText.SelectionFont = fd.Font;
UpdateBindings(BindingUpdateMode.Destination);
};
if (fd.ShowDialog(this) == DialogResult.Ok)
richText.Focus();
};
var familyDropDown = new DropDown();
familyDropDown.DataStore = Fonts.AvailableFontFamilies.OrderBy(r => r.Name);
familyDropDown.SelectedValueBinding.Bind(richText, r => r.SelectionFamily);
familyDropDown.SelectedValueChanged += (sender, e) =>
{
richText.Focus();
UpdateBindings(BindingUpdateMode.Destination);
};
var formatEnum = new EnumDropDown<RichTextAreaFormat>();
formatEnum.SelectedValue = RichTextAreaFormat.Rtf;
var loadButton = new Button { Text = "Load" };
loadButton.Enabled = buffer.SupportedFormats.Contains(formatEnum.SelectedValue);
loadButton.Click += (sender, e) => buffer.Load(new MemoryStream(Encoding.UTF8.GetBytes(formatEnum.SelectedValue == RichTextAreaFormat.Rtf ? RtfString : LoremText)), formatEnum.SelectedValue);
var saveButton = new Button { Text = "Save" };
saveButton.Enabled = buffer.SupportedFormats.Contains(formatEnum.SelectedValue);
saveButton.Click += (sender, e) =>
{
var stream = new MemoryStream();
buffer.Save(stream, formatEnum.SelectedValue);
stream.Position = 0;
Log.Write(richText, "Saved {0}:\n{1}", formatEnum.SelectedValue, new StreamReader(stream).ReadToEnd());
};
formatEnum.SelectedValueChanged += (sender, e) => saveButton.Enabled = loadButton.Enabled = buffer.SupportedFormats.Contains(formatEnum.SelectedValue);
var clearButton = new Button { Text = "Clear" };
clearButton.Click += (sender, e) => buffer.Clear();
var formatting1 = new StackLayout
{
Orientation = Orientation.Horizontal,
Spacing = 5,
Items =
{
null,
boldButton,
italicButton,
underlineButton,
strikethroughButton,
null
}
};
var formatting2 = new StackLayout
{
Orientation = Orientation.Horizontal,
Spacing = 5,
Items =
{
null,
new Label { Text = "Foreground", VerticalAlignment = VerticalAlignment.Center },
TableLayout.AutoSized(foregroundButton, centered: true),
new Label { Text = "Background", VerticalAlignment = VerticalAlignment.Center },
TableLayout.AutoSized(backgroundButton, centered: true),
null
}
};
var formatting3 = new StackLayout
{
Orientation = Orientation.Horizontal,
Spacing = 5,
Items =
{
null,
fontButton,
familyDropDown,
null
}
};
var buttons = new StackLayout
{
Orientation = Orientation.Horizontal,
Spacing = 5,
Items =
{
null,
formatEnum,
loadButton,
saveButton,
clearButton,
null
}
};
Content = new StackLayout
{
Padding = new Padding(10),
Spacing = 5,
HorizontalContentAlignment = HorizontalAlignment.Stretch,
Items =
{
buttons,
TextAreaSection.TextAreaOptions(richText),
TextAreaSection.TextAreaOptions2(richText),
TextAreaSection.TextAreaOptions3(richText),
formatting1,
formatting2,
formatting3,
new StackLayoutItem(richText, expand: true)
}
};
}
Control ColorPickerControl()
{
var control = new ColorPicker();
LogEvents(control);
return TableLayout.AutoSized(control, centered: true);
}
Control InitialValue()
{
var control = new ColorPicker { Value = Colors.Blue };
LogEvents(control);
return control;
}
Control Default()
{
var control = new ColorPicker();
LogEvents(control);
return control;
}
