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MultiFormatTextBox:

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fixed deleting from other format,
implemented getting background brush from resources
master
Jonas Arnold 3 years ago
parent 06f7503586
commit 90ee6d2fa0
2 changed files with 63 additions and 23 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 68
      MultiTerm.Wpf.CustomControl/MultiFormatTextBox/MultiFormatTextBox.cs
  2. 8
      MultiTerm.Wpf.CustomControl/MultiFormatTextBox/MultiFormatTextBox.xaml

68
MultiTerm.Wpf.CustomControl/MultiFormatTextBox/MultiFormatTextBox.cs
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@ -42,6 +42,8 @@ namespace MultiTerm.Wpf.CustomControl;
/// </summary>
internal class Format
{
private readonly string? backgroundColorResourceName;
public string Name { get; set; }
public Brush BackgroundBrush { get; set; }
public Predicate<Key> IsKeyValid { get; set; }
@ -51,18 +53,34 @@ internal class Format
this.BackgroundBrush = backgroundBrush;
this.IsKeyValid = keyValidator;
}
public Format(string name, string backgroundBrushColorHexCode, Predicate<Key> keyValidator)
public Format(string name, string backgroundColorResourceName, Predicate<Key> keyValidator)
{
this.Name = name;
var brushObj = new BrushConverter().ConvertFrom(backgroundBrushColorHexCode);
if(brushObj == null) throw new ArgumentException(nameof(backgroundBrushColorHexCode));
this.BackgroundBrush = (SolidColorBrush)brushObj;
this.backgroundColorResourceName = backgroundColorResourceName;
this.BackgroundBrush = Brushes.White; // set background brush to white
this.IsKeyValid = keyValidator;
}
public static List<string> GetListOfNames(IEnumerable<Format> formats)
{
return formats.Select(item => item.Name).ToList();
}
public static void UpdateBackgroundBrushesFromResources(FrameworkElement fwElement, IEnumerable<Format> formats)
{
if (fwElement == null) throw new ArgumentNullException(nameof(fwElement));
foreach (var format in formats)
{
// if resource name not set => skip
if (format.backgroundColorResourceName == null) continue;
// get background brush color from resources
try
{
format.BackgroundBrush = (SolidColorBrush)fwElement.FindResource(format.backgroundColorResourceName);
}
catch (Exception) { continue; } // ignore
}
}
}
public class MultiFormatTextBox : Control
@ -71,19 +89,19 @@ public class MultiFormatTextBox : Control
private static readonly List<Format> formats = new()
{
// character input, accepts all keys except space
new Format("CHAR", Brushes.LightSkyBlue, delegate(Key k) { return (k != Key.Space); }),
//new Format("CHAR", "B4EBEB", delegate(Key k) { return (k != Key.Space); }),
//new Format("CHAR", Brushes.LightSkyBlue, delegate(Key k) { return (k != Key.Space); }),
new Format("CHAR", "MultiFormatTextBox.CHAR.Background", delegate(Key k) { return (k != Key.Space); }),
// hex input, ignores all keys that are not inbetween 0 and F
new Format("HEX", Brushes.LightGreen, delegate(Key k) { return (k >= Key.D0 && k <= Key.F); }),
//new Format("HEX", "C8C8FF", delegate(Key k) { return (k >= Key.D0 && k <= Key.F); }),
//new Format("HEX", Brushes.LightGreen, delegate(Key k) { return (k >= Key.D0 && k <= Key.F); }),
new Format("HEX", "MultiFormatTextBox.HEX.Background", delegate(Key k) { return (k >= Key.D0 && k <= Key.F); }),
// binary input, ignores all keys except 0 and 1
new Format("BIN", Brushes.LightPink, delegate(Key k) { return (k == Key.D0 || k == Key.D1); })
//new Format("BIN", "C8FFC8", delegate(Key k) { return (k == Key.D0 || k == Key.D1); })
//new Format("BIN", Brushes.LightPink, delegate(Key k) { return (k == Key.D0 || k == Key.D1); })
new Format("BIN", "MultiFormatTextBox.BIN.Background", delegate(Key k) { return (k == Key.D0 || k == Key.D1); })
};
private ComboBox comboBox;
private RichTextBox richTextBox;
private Format currentlySelectedFormat = formats.First();
private Format currentlySelectedFormat;
private int offsetContentStartToFormatStart;
static MultiFormatTextBox()
@ -95,6 +113,12 @@ public class MultiFormatTextBox : Control
{
base.OnApplyTemplate();
// initialize format background brushes
Format.UpdateBackgroundBrushesFromResources(this, formats);
// set initially selected format
this.currentlySelectedFormat = formats!.First();
// get comboBox from template
var comboBox = GetTemplateChild("comboBox") as ComboBox;
if (comboBox != null)
@ -134,7 +158,7 @@ public class MultiFormatTextBox : Control
this.InsertSeparation();
// set new start position
this.offsetContentStartToFormatStart = this.richTextBox.CaretPosition.GetOffsetToPosition(this.richTextBox.Document.ContentStart);
this.StoreCaretPosition();
// focus textbox
this.richTextBox.Focus();
@ -146,7 +170,7 @@ public class MultiFormatTextBox : Control
this.richTextBox.TextChanged -= RichTextBox_TextChanged;
// store caret position before
this.offsetContentStartToFormatStart = this.richTextBox.CaretPosition.GetOffsetToPosition(this.richTextBox.Document.ContentStart);
this.StoreCaretPosition();
// insert
this.richTextBox.AppendText(" ");
@ -158,12 +182,17 @@ public class MultiFormatTextBox : Control
color: defaultBackgroundBrush);
// store new caret position after
this.offsetContentStartToFormatStart = this.richTextBox.CaretPosition.GetOffsetToPosition(this.richTextBox.Document.ContentStart);
this.StoreCaretPosition();
// reenable
this.richTextBox.TextChanged += RichTextBox_TextChanged;
}
private void StoreCaretPosition()
{
this.offsetContentStartToFormatStart = this.richTextBox.CaretPosition.GetOffsetToPosition(this.richTextBox.Document.ContentStart);
}
private void RichTextBox_KeyDown(object sender, KeyEventArgs e)
{
// guard combobox null
@ -178,13 +207,22 @@ public class MultiFormatTextBox : Control
private void RichTextBox_TextChanged(object sender, TextChangedEventArgs e)
{
if(e.Changes.Count > 1) { return; }
if (e.Changes.Count > 1 || e.Changes.Count == 0) { return; }
// if something was added => change background color
if (e.Changes.First().AddedLength > 0)
{
RtbChangeTextBackground(this.richTextBox,
start: this.richTextBox.Document.ContentStart.GetPositionAtOffset(-this.offsetContentStartToFormatStart),
end: this.richTextBox.Document.ContentEnd,
color: this.currentlySelectedFormat.BackgroundBrush);
}
// if something was removed => update start of content to current location
else if(e.Changes.First().RemovedLength > 0)
{
this.StoreCaretPosition();
}
}
private static void RtbChangeTextBackground(RichTextBox rtb, TextPointer start, TextPointer end, Brush color)
{

8
MultiTerm.Wpf.CustomControl/MultiFormatTextBox/MultiFormatTextBox.xaml
Unescape View File

@ -2,9 +2,6 @@
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:MultiTerm.Wpf.CustomControl">
<!--<SolidColorBrush x:Key="TextBox.Static.Border" Color="#FFABAdB3"/>
<SolidColorBrush x:Key="TextBox.MouseOver.Border" Color="#FF7EB4EA"/>
<SolidColorBrush x:Key="TextBox.Focus.Border" Color="#FF569DE5"/>-->
<Style TargetType="{x:Type local:MultiFormatTextBox}">
<!--<Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}"/>
<Setter Property="BorderBrush" Value="{StaticResource TextBox.Static.Border}"/>
@ -16,6 +13,11 @@
<Setter Property="AllowDrop" Value="true"/>
<Setter Property="ScrollViewer.PanningMode" Value="VerticalFirst"/>
<Setter Property="Stylus.IsFlicksEnabled" Value="False"/>-->
<Style.Resources>
<SolidColorBrush x:Key="MultiFormatTextBox.CHAR.Background" Color="#B4EBEB"/>
<SolidColorBrush x:Key="MultiFormatTextBox.HEX.Background" Color="#C8C8FF"/>
<SolidColorBrush x:Key="MultiFormatTextBox.BIN.Background" Color="#C8FFC8"/>
</Style.Resources>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type local:MultiFormatTextBox}">

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