83 lines
2.3 KiB
C#
83 lines
2.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Text;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using Tweaky.PropertyGrid;
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namespace Tweaky
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{
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public class EditorBase<T> : Control, INotifyPropertyChanged
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{
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static EditorBase()
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{
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DefaultStyleKeyProperty.OverrideMetadata(typeof(EditorBase<T>), new FrameworkPropertyMetadata(typeof(EditorBase<T>)));
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}
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public EditorBase()
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{
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this.DataContextChanged += EditorBase_DataContextChanged;
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}
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void EditorBase_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
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{
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if (e.OldValue != null && e.OldValue is PropertyItem)
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(e.OldValue as PropertyItem).PropertyChanged -= EditorBase_PropertyChanged;
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if (e.NewValue != null && e.NewValue is PropertyItem)
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{
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(e.NewValue as PropertyItem).PropertyChanged -= EditorBase_PropertyChanged;
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(e.NewValue as PropertyItem).PropertyChanged += EditorBase_PropertyChanged;
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}
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}
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void EditorBase_PropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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if (e.PropertyName == "Value")
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OnValueChanged();
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}
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public event PropertyChangedEventHandler PropertyChanged;
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public void RaisePropertyChanged(string propertyName)
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{
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if (PropertyChanged != null)
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PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
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}
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public virtual void OnValueChanged()
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{
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RaisePropertyChanged(null);
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}
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public float Step
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{
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get
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{
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return 1.0f;
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}
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}
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public virtual T Value
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{
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get
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{
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if (this.DataContext is PropertyItem)
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return (T)(this.DataContext as PropertyItem).Value;
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return default(T);
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}
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set
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{
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if (this.DataContext is PropertyItem)
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{
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(this.DataContext as PropertyItem).Value = value;
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OnValueChanged();
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}
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}
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}
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}
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}
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