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Add a Type (= General, Filename, Integer) to TextFieldWidget.

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This commit is contained in:
Paul Chote
2018-04-28 16:28:37 +00:00
committed by reaperrr
parent df8e2f4be4
commit 59c2a9e4da
1 changed files with 86 additions and 16 deletions
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102
OpenRA.Mods.Common/Widgets/TextFieldWidget.cs
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@@ -11,17 +11,28 @@
using System;
using System.Drawing;
using System.IO;
using System.Linq;
using OpenRA.Widgets;
namespace OpenRA.Mods.Common.Widgets
{
public enum TextFieldType { General, Filename, Integer }
public class TextFieldWidget : Widget
{
string text = "";
public string Text
{
get { return text; }
set { text = value ?? ""; CursorPosition = CursorPosition.Clamp(0, text.Length); }
get
{
return text;
}
set
{
text = RemoveInvalidCharacters(value ?? "");
CursorPosition = CursorPosition.Clamp(0, text.Length);
}
}
public int MaxLength = 0;
@@ -31,6 +42,24 @@ namespace OpenRA.Mods.Common.Widgets
public bool Disabled = false;
TextFieldType type = TextFieldType.General;
public TextFieldType Type
{
get
{
return type;
}
set
{
type = value;
// Revalidate text
text = RemoveInvalidCharacters(text);
CursorPosition = CursorPosition.Clamp(0, text.Length);
}
}
public Func<bool> OnEnterKey = () => false;
public Func<bool> OnTabKey = () => false;
public Func<bool> OnEscKey = () => false;
@@ -61,6 +90,7 @@ namespace OpenRA.Mods.Common.Widgets
{
Text = widget.Text;
MaxLength = widget.MaxLength;
Type = widget.Type;
Font = widget.Font;
TextColor = widget.TextColor;
TextColorDisabled = widget.TextColorDisabled;
@@ -162,6 +192,28 @@ namespace OpenRA.Mods.Common.Widgets
return CursorPosition + trimmedSpaces + nextWhitespace;
}
string RemoveInvalidCharacters(string input)
{
switch (Type)
{
case TextFieldType.Filename:
{
var invalidIndex = -1;
var invalidChars = Path.GetInvalidFileNameChars();
while ((invalidIndex = input.IndexOfAny(invalidChars)) != -1)
input = input.Remove(invalidIndex, 1);
return input;
}
case TextFieldType.Integer:
return new string(input.Where(c => char.IsDigit(c)).ToArray());
default:
return input;
}
}
public override bool HandleKeyPress(KeyInput e)
{
if (IsDisabled() || e.Event == KeyInputEvent.Up)
@@ -263,7 +315,10 @@ namespace OpenRA.Mods.Common.Widgets
case Keycode.D:
if (e.Modifiers.HasModifier(Modifiers.Ctrl) && CursorPosition < Text.Length)
{
Text = Text.Remove(CursorPosition, 1);
// Write directly to the Text backing field to avoid unnecessary validation
text = text.Remove(CursorPosition, 1);
CursorPosition = CursorPosition.Clamp(0, text.Length);
OnTextEdited();
}
@@ -274,7 +329,10 @@ namespace OpenRA.Mods.Common.Widgets
ResetBlinkCycle();
if (e.Modifiers.HasModifier(Modifiers.Ctrl) && CursorPosition < Text.Length)
{
Text = Text.Remove(CursorPosition);
// Write directly to the Text backing field to avoid unnecessary validation
text = text.Remove(CursorPosition);
CursorPosition = CursorPosition.Clamp(0, text.Length);
OnTextEdited();
}
@@ -285,7 +343,8 @@ namespace OpenRA.Mods.Common.Widgets
ResetBlinkCycle();
if (!isOSX && e.Modifiers.HasModifier(Modifiers.Ctrl) && CursorPosition > 0)
{
Text = Text.Substring(CursorPosition);
// Write directly to the Text backing field to avoid unnecessary validation
text = text.Substring(CursorPosition);
CursorPosition = 0;
ClearSelection();
OnTextEdited();
@@ -326,13 +385,15 @@ namespace OpenRA.Mods.Common.Widgets
RemoveSelectedText();
else if (CursorPosition < Text.Length)
{
// Write directly to the Text backing field to avoid unnecessary validation
if ((!isOSX && e.Modifiers.HasModifier(Modifiers.Ctrl)) || (isOSX && e.Modifiers.HasModifier(Modifiers.Alt)))
Text = Text.Substring(0, CursorPosition) + Text.Substring(GetNextWhitespaceIndex());
text = text.Substring(0, CursorPosition) + text.Substring(GetNextWhitespaceIndex());
else if (isOSX && e.Modifiers.HasModifier(Modifiers.Meta))
Text = Text.Remove(CursorPosition);
text = text.Remove(CursorPosition);
else
Text = Text.Remove(CursorPosition, 1);
text = text.Remove(CursorPosition, 1);
CursorPosition = CursorPosition.Clamp(0, text.Length);
OnTextEdited();
}
@@ -345,21 +406,22 @@ namespace OpenRA.Mods.Common.Widgets
RemoveSelectedText();
else if (CursorPosition > 0)
{
// Write directly to the Text backing field to avoid unnecessary validation
if ((!isOSX && e.Modifiers.HasModifier(Modifiers.Ctrl)) || (isOSX && e.Modifiers.HasModifier(Modifiers.Alt)))
{
var prevWhitespace = GetPrevWhitespaceIndex();
Text = Text.Substring(0, prevWhitespace) + Text.Substring(CursorPosition);
text = text.Substring(0, prevWhitespace) + text.Substring(CursorPosition);
CursorPosition = prevWhitespace;
}
else if (isOSX && e.Modifiers.HasModifier(Modifiers.Meta))
{
Text = Text.Substring(CursorPosition);
text = text.Substring(CursorPosition);
CursorPosition = 0;
}
else
{
CursorPosition--;
Text = Text.Remove(CursorPosition, 1);
text = text.Remove(CursorPosition, 1);
}
OnTextEdited();
@@ -404,24 +466,30 @@ namespace OpenRA.Mods.Common.Widgets
return true;
}
public override bool HandleTextInput(string text)
public override bool HandleTextInput(string input)
{
if (!HasKeyboardFocus || IsDisabled())
return false;
// Validate input
input = RemoveInvalidCharacters(input);
if (input.Length == 0)
return true;
if (selectionStartIndex != -1)
RemoveSelectedText();
if (MaxLength > 0 && Text.Length >= MaxLength)
return true;
var pasteLength = text.Length;
var pasteLength = input.Length;
// Truncate the pasted string if the total length (current + paste) is greater than the maximum.
if (MaxLength > 0 && MaxLength > Text.Length)
pasteLength = Math.Min(text.Length, MaxLength - Text.Length);
pasteLength = Math.Min(input.Length, MaxLength - Text.Length);
Text = Text.Insert(CursorPosition, text.Substring(0, pasteLength));
// Write directly to the Text backing field to avoid repeating the invalid character validation
text = text.Insert(CursorPosition, input.Substring(0, pasteLength));
CursorPosition += pasteLength;
ClearSelection();
OnTextEdited();
@@ -453,7 +521,9 @@ namespace OpenRA.Mods.Common.Widgets
{
var lowestIndex = selectionStartIndex < selectionEndIndex ? selectionStartIndex : selectionEndIndex;
var highestIndex = selectionStartIndex < selectionEndIndex ? selectionEndIndex : selectionStartIndex;
Text = Text.Remove(lowestIndex, highestIndex - lowestIndex);
// Write directly to the Text backing field to avoid unnecessary validation
text = text.Remove(lowestIndex, highestIndex - lowestIndex);
ClearSelection();