public RichTextAreaSection()
{
var richText = new RichTextArea();
richText.Size = new Size(-1, 300);
//richText.Font = new Font("Arial", 10);
var buffer = richText.Buffer;
/**/
richText.Text = LoremText;
var range = new Range <int>(6, 10);
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)
}
};
}
public RichTextAreaSection()
{
var richText = new RichTextArea();
richText.Size = new Size(-1, 300);
//richText.Font = new Font("Arial", 10);
var buffer = richText.Buffer;
/**/
richText.Text = LastText;
var range = new Range <int>(6, 10);
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 = LastText.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 FontPicker();
fontButton.ValueBinding.Bind(richText, r => r.SelectionFont);
fontButton.ValueChanged += (sender, e) =>
{
richText.Focus();
UpdateBindings(BindingUpdateMode.Destination);
};
var typefaceDropDown = new DropDown();
typefaceDropDown.ItemKeyBinding = Binding.Property((FontTypeface f) => f.Name);
typefaceDropDown.DataStore = richText.SelectionFamily.Typefaces;
var tyepfaceBinding = typefaceDropDown.SelectedValueBinding.Bind(richText, r => r.SelectionTypeface);
typefaceDropDown.SelectedValueChanged += (sender, e) =>
{
richText.Focus();
UpdateBindings(BindingUpdateMode.Destination);
};
var familyDropDown = new DropDown();
familyDropDown.ItemTextBinding = Binding.Property((FontFamily f) => f.LocalizedName);
familyDropDown.DataStore = Fonts.AvailableFontFamilies.OrderBy(r => r.LocalizedName);
familyDropDown.SelectedValueBinding.Bind(richText, r => r.SelectionFamily);
familyDropDown.SelectedValueChanged += (sender, e) =>
{
var family = familyDropDown.SelectedValue as FontFamily;
//tyepfaceBinding.Mode = DualBindingMode.Manual;
typefaceDropDown.DataStore = family?.Typefaces;
//tyepfaceBinding.Mode = DualBindingMode.TwoWay;
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 : LastText)), formatEnum.SelectedValue);
var loadFileButton = new Button {
Text = "Load File..."
};
loadFileButton.Enabled = buffer.SupportedFormats.Contains(formatEnum.SelectedValue);
loadFileButton.Click += (sender, e) =>
{
var dlg = new OpenFileDialog {
Filters = { new FileFilter("RTF", ".rtf"), new FileFilter("TXT", "txt") }
};
if (dlg.ShowDialog(this) == DialogResult.Ok)
{
var useRtf = string.Equals(Path.GetExtension(dlg.FileName), ".rtf", StringComparison.OrdinalIgnoreCase);
var fs = File.OpenRead(dlg.FileName);
buffer.Load(fs, useRtf ? RichTextAreaFormat.Rtf : RichTextAreaFormat.PlainText);
}
};
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;
if (formatEnum.SelectedValue == RichTextAreaFormat.Rtf)
{
RtfString = Encoding.UTF8.GetString(stream.ToArray());
}
else
{
LastText = Encoding.UTF8.GetString(stream.ToArray());
}
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,
typefaceDropDown,
null
}
};
var buttons = new StackLayout
{
Orientation = Orientation.Horizontal,
Spacing = 5,
Items =
{
null,
formatEnum,
loadButton,
saveButton,
loadFileButton,
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)
}
};
}
