private TreeGridItem GetCommentTree(Comment comment)
{
List<string> top5 = comment.GetTopNWords(5);
TreeGridItem tgi = new TreeGridItem();
if (top5.Count > 0)
{
string all5 = string.Empty;
foreach (string s in top5)
{
all5 += s + " ";
}
tgi.Values = new object[] { all5 };
RichTextArea rta = new RichTextArea();
rta.Text = comment.Text;
tgi.Children.Add(new TreeGridItem() { Values = new object[] { comment.Text } });
foreach (Comment commentChild in comment.Comments)
{
TreeGridItem tgic = GetCommentTree(commentChild);
tgi.Children.Add(tgic);
}
}
else
{
tgi.Tag = "empty";
}
return tgi;
}
private TreeGridItem GetCommentTree(children child)
{
List<string> top5 = child.GetTopNWords(5);
TreeGridItem tgi = new TreeGridItem();
if (top5.Count > 0)
{
string all5 = string.Empty;
foreach (string s in top5)
{
all5 += s + " ";
}
tgi.Values = new object[] { all5 };
RichTextArea rta = new RichTextArea();
rta.Text = WebUtility.HtmlDecode(child.text);
tgi.Children.Add(new TreeGridItem() { Values = new object[] {WebUtility.HtmlDecode(child.text) } });
foreach (children commentchild in child.Children)
{
TreeGridItem tgic = GetCommentTree(commentchild);
tgi.Children.Add(tgic);
}
}
else
{
tgi.Tag = "empty";
}
return tgi;
}
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)
}
};
}
