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6502bench/SourceGen/WpfGui/EditNote.xaml.cs

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