TextAreaOptions2() public static method

public static TextAreaOptions2 ( TextArea text ) : Control
text Eto.Forms.TextArea
return Eto.Forms.Control
Exemplo n.º 1
0
        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)
                }
            };
        }
Exemplo n.º 2
0
        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)
                }
            };
        }