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The data structure and project file have always supported arbitrary ARGB colors. Now the editor does as well.
233 lines
7.9 KiB
C#
233 lines
7.9 KiB
C#
/*
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* Copyright 2019 faddenSoft
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Globalization;
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using System.Runtime.CompilerServices;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Input;
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using System.Windows.Media;
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using CommonWPF;
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namespace SourceGen.WpfGui {
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/// <summary>
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/// Note editor.
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/// </summary>
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public partial class EditNote : Window, INotifyPropertyChanged {
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/// <summary>
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/// Note result object. Will be set to null if the note was deleted.
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/// </summary>
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public MultiLineComment Note { get; private set; }
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/// <summary>
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/// Text input by user. This is bound to the input TextBox.
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/// </summary>
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public string UserInput {
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get { return mUserInput; }
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set { mUserInput = value; OnPropertyChanged(); }
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}
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private string mUserInput;
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public string CustomColorStr {
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get { return mCustomColorStr; }
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set {
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mCustomColorStr = value;
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OnPropertyChanged();
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UpdateCustomColor();
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if (mIsInitialized) {
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Debug.WriteLine("SET CUSTOM");
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IsCustomChecked = true;
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}
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}
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}
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private string mCustomColorStr;
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public bool IsCustomChecked {
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get { return mIsCustomChecked; }
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set { mIsCustomChecked = value; OnPropertyChanged(); }
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}
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private bool mIsCustomChecked;
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public Brush CustomColorBrush {
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get { return mCustomColorBrush; }
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set { mCustomColorBrush = value; OnPropertyChanged(); }
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}
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private Brush mCustomColorBrush = Brushes.Transparent;
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// This is static so it carries over between edits.
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private static Color mCustomColor = Helper.ZeroColor;
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// Highlight color palette. Unless the user has funky theme, the color will be
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// replacing a white background, and will be overlaid with black text, so should
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// be on the lighter end of the spectrum.
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private enum ColorList {
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None = 0, Green, Blue, Yellow, Pink, Orange
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}
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private static Color[] sColors = new Color[] {
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CommonWPF.Helper.ZeroColor, // no highlight
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Colors.LightGreen,
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Colors.LightBlue,
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Colors.Yellow, //LightGoldenrodYellow,
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Colors.LightPink,
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Colors.Orange
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};
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private RadioButton[] mColorButtons;
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private bool mIsInitialized = false;
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// INotifyPropertyChanged implementation
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public event PropertyChangedEventHandler PropertyChanged;
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private void OnPropertyChanged([CallerMemberName] string propertyName = "") {
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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}
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public EditNote(Window owner, MultiLineComment note) {
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InitializeComponent();
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Owner = owner;
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DataContext = this;
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if (note == null) {
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Note = new MultiLineComment(string.Empty);
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} else {
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Note = note;
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}
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mColorButtons = new RadioButton[] {
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colorDefaultRadio,
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colorGreenRadio,
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colorBlueRadio,
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colorYellowRadio,
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colorPinkRadio,
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colorOrangeRadio
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};
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Debug.Assert(mColorButtons.Length == sColors.Length);
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}
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public void Window_Loaded(object sender, RoutedEventArgs e) {
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UserInput = Note.Text;
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// Configure radio buttons.
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colorDefaultRadio.IsChecked = true;
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if (Note != null) {
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bool found = false;
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Color curColor = Note.BackgroundColor;
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for (int i = 0; i < sColors.Length; i++) {
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if (sColors[i].Equals(curColor)) {
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mColorButtons[i].IsChecked = true;
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found = true;
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break;
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}
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}
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if (!found) {
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IsCustomChecked = true;
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mCustomColor = curColor;
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}
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}
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if (mCustomColor.A == 0xff) {
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CustomColorStr = string.Format("#{0:X2}{1:X2}{2:X2}",
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mCustomColor.R, mCustomColor.G, mCustomColor.B);
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} else {
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CustomColorStr = string.Format("#{0:X2}{1:X2}{2:X2}{3:X2}",
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mCustomColor.A, mCustomColor.R, mCustomColor.G, mCustomColor.B);
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}
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inputTextBox.Focus();
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mIsInitialized = true;
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}
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// Handle Ctrl+Enter as a way to close the dialog, since plain Enter just
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// moves to a new line.
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private void CloseCmd_Executed(object sender, ExecutedRoutedEventArgs e) {
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DialogResult = true;
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}
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public void OkButton_Click(object sender, RoutedEventArgs e) {
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DialogResult = true;
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}
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private void Window_Closing(object sender, CancelEventArgs e) {
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if (DialogResult != true) {
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return;
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}
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if (string.IsNullOrEmpty(UserInput)) {
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Note = null;
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} else {
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Color bkgndColor = Colors.Fuchsia; // make it obvious if we screw up
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if (IsCustomChecked) {
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if (Validation.GetHasError(customColorBox)) {
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bkgndColor = Helper.ZeroColor;
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} else {
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bkgndColor = mCustomColor;
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}
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} else {
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for (int i = 0; i < mColorButtons.Length; i++) {
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if (mColorButtons[i].IsChecked == true) {
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bkgndColor = sColors[i];
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break;
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}
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}
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}
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Note = new MultiLineComment(UserInput, bkgndColor);
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}
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}
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private void UpdateCustomColor() {
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Color cl;
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try {
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cl = (Color)ColorConverter.ConvertFromString(CustomColorStr);
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} catch (FormatException ex) {
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// no dice
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Debug.WriteLine("Unable to convert color '" + CustomColorStr + "': " + ex.Message);
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CustomColorBrush = Brushes.Transparent;
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mCustomColor = Helper.ZeroColor;
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return;
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}
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mCustomColor = cl;
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CustomColorBrush = new SolidColorBrush(cl);
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}
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}
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#region Validation rules
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public class ColorRule : ValidationRule {
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public override ValidationResult Validate(object value, CultureInfo cultureInfo) {
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string strValue = Convert.ToString(value);
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if (strValue == null) {
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return new ValidationResult(false, "could not convert to string");
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}
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if (string.IsNullOrEmpty(strValue)) {
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return new ValidationResult(false, "empty color string");
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}
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try {
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ColorConverter.ConvertFromString(strValue);
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return ValidationResult.ValidResult;
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} catch (Exception) {
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return new ValidationResult(false, "invalid color value");
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}
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}
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}
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#endregion Validation rules
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}
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