李伟
377 lines
10 KiB
C#
377 lines
10 KiB
C#
using System.Windows;
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using System.Windows.Controls;
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using XP.ImageProcessing.Core;
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namespace XP.ImageProcessing.CfgControl;
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/// <summary>
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/// 通用参数配置 UserControl
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/// 可以根据不同算子的参数自动生成对应的 UI 控件
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/// </summary>
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public partial class ProcessorParameterControl : UserControl
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{
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private ImageProcessorBase? _currentProcessor;
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/// <summary>
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/// 参数变化事件
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/// </summary>
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public event EventHandler? ParameterChanged;
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public ProcessorParameterControl()
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{
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InitializeComponent();
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UpdateNoProcessorText();
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}
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/// <summary>
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/// 更新"未选择算子"的文�?
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/// </summary>
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private void UpdateNoProcessorText()
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{
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txtProcessorName.Text = LocalizationHelper.GetString("NoProcessorSelected");
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txtProcessorDescription.Text = LocalizationHelper.GetString("PleaseSelectProcessor");
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}
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/// <summary>
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/// 触发参数变化事件
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/// </summary>
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protected virtual void OnParameterChanged()
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{
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ParameterChanged?.Invoke(this, EventArgs.Empty);
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}
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/// <summary>
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/// 加载算子参数并生�?UI
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/// </summary>
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public void LoadProcessor(ImageProcessorBase? processor)
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{
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_currentProcessor = processor;
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pnlParameters.Children.Clear();
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if (processor == null)
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{
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UpdateNoProcessorText();
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return;
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}
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// 显示算子信息
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txtProcessorName.Text = processor.Name;
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txtProcessorDescription.Text = processor.Description;
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// 生成参数控件
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var parameters = processor.GetParameters();
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foreach (var param in parameters)
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{
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CreateParameterControl(param);
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}
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}
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/// <summary>
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/// 根据参数类型创建对应的控�?
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/// </summary>
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private void CreateParameterControl(ProcessorParameter param)
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{
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// 如果参数不可见，跳过创建
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if (!param.IsVisible)
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{
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return;
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}
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// 参数标签
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var label = new TextBlock
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{
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Text = param.DisplayName + ":",
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Margin = new Thickness(0, 10, 0, 5),
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FontWeight = FontWeights.Bold,
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FontSize = 13
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};
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pnlParameters.Children.Add(label);
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// 根据参数类型创建不同的控�?
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UIElement? control = null;
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if (param.ValueType == typeof(int))
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{
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control = CreateIntegerControl(param);
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}
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else if (param.ValueType == typeof(double) || param.ValueType == typeof(float))
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{
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control = CreateDoubleControl(param);
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}
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else if (param.ValueType == typeof(bool))
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{
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control = CreateBooleanControl(param);
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}
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else if (param.ValueType == typeof(string) && param.Options != null)
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{
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control = CreateComboBoxControl(param);
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}
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else if (param.ValueType == typeof(string))
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{
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control = CreateTextBoxControl(param);
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}
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if (control != null)
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{
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pnlParameters.Children.Add(control);
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// 添加描述标签
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if (!string.IsNullOrEmpty(param.Description))
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{
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var desc = new TextBlock
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{
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Text = param.Description,
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Margin = new Thickness(0, 5, 0, 0),
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FontSize = 11,
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Foreground = System.Windows.Media.Brushes.Gray,
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TextWrapping = TextWrapping.Wrap
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};
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pnlParameters.Children.Add(desc);
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}
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}
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}
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/// <summary>
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/// 创建整数类型控件（Slider + TextBox 或仅 TextBox�?
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/// �?MinValue �?MaxValue 都为 null 时，只显示文本框，不显示滑块
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/// </summary>
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private UIElement CreateIntegerControl(ProcessorParameter param)
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{
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var panel = new StackPanel();
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var textBox = new TextBox
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{
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Text = param.Value.ToString(),
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Width = 100,
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HorizontalAlignment = HorizontalAlignment.Left
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};
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if (param.MinValue != null && param.MaxValue != null)
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{
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var slider = new Slider
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{
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Minimum = Convert.ToDouble(param.MinValue),
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Maximum = Convert.ToDouble(param.MaxValue),
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Value = Convert.ToDouble(param.Value),
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TickFrequency = 1,
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IsSnapToTickEnabled = true,
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Margin = new Thickness(0, 0, 0, 5)
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};
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slider.ValueChanged += (s, e) =>
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{
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int value = (int)slider.Value;
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textBox.Text = value.ToString();
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_currentProcessor?.SetParameter(param.Name, value);
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OnParameterChanged();
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};
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textBox.TextChanged += (s, e) =>
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{
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if (int.TryParse(textBox.Text, out int value))
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{
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var min = Convert.ToInt32(param.MinValue);
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var max = Convert.ToInt32(param.MaxValue);
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if (value >= min && value <= max)
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{
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slider.Value = value;
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}
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}
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};
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panel.Children.Add(slider);
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}
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else
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{
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textBox.TextChanged += (s, e) =>
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{
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if (int.TryParse(textBox.Text, out int value))
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{
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_currentProcessor?.SetParameter(param.Name, value);
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OnParameterChanged();
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}
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};
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}
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panel.Children.Add(textBox);
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return panel;
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}
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/// <summary>
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/// 创建浮点数类型控件（Slider + TextBox 或仅 TextBox�?
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/// �?MinValue �?MaxValue 都为 null 时，只显示文本框，不显示滑块
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/// </summary>
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private UIElement CreateDoubleControl(ProcessorParameter param)
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{
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var panel = new StackPanel();
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var textBox = new TextBox
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{
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Text = Convert.ToDouble(param.Value).ToString("F2"),
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Width = 100,
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HorizontalAlignment = HorizontalAlignment.Left
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};
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if (param.MinValue != null && param.MaxValue != null)
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{
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var slider = new Slider
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{
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Minimum = Convert.ToDouble(param.MinValue),
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Maximum = Convert.ToDouble(param.MaxValue),
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Value = Convert.ToDouble(param.Value),
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TickFrequency = 0.1,
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Margin = new Thickness(0, 0, 0, 5)
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};
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slider.ValueChanged += (s, e) =>
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{
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double value = Math.Round(slider.Value, 2);
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textBox.Text = value.ToString("F2");
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_currentProcessor?.SetParameter(param.Name, value);
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OnParameterChanged();
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};
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textBox.TextChanged += (s, e) =>
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{
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if (double.TryParse(textBox.Text, out double value))
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{
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var min = Convert.ToDouble(param.MinValue);
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var max = Convert.ToDouble(param.MaxValue);
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if (value >= min && value <= max)
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{
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slider.Value = value;
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}
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}
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};
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panel.Children.Add(slider);
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}
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else
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{
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textBox.TextChanged += (s, e) =>
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{
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if (double.TryParse(textBox.Text, out double value))
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{
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_currentProcessor?.SetParameter(param.Name, value);
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OnParameterChanged();
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}
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};
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}
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panel.Children.Add(textBox);
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return panel;
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}
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/// <summary>
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/// 创建布尔类型控件（CheckBox�?
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/// </summary>
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private UIElement CreateBooleanControl(ProcessorParameter param)
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{
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var checkBox = new CheckBox
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{
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Content = param.DisplayName,
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IsChecked = Convert.ToBoolean(param.Value),
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Margin = new Thickness(0, 5, 0, 0)
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};
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checkBox.Checked += (s, e) =>
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{
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_currentProcessor?.SetParameter(param.Name, true);
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OnParameterChanged();
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};
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checkBox.Unchecked += (s, e) =>
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{
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_currentProcessor?.SetParameter(param.Name, false);
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OnParameterChanged();
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};
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return checkBox;
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}
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/// <summary>
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/// 创建下拉框控件（ComboBox�?
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/// </summary>
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private UIElement CreateComboBoxControl(ProcessorParameter param)
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{
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var comboBox = new ComboBox
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{
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Margin = new Thickness(0, 5, 0, 0),
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Width = 200,
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HorizontalAlignment = HorizontalAlignment.Left
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};
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if (param.Options != null)
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{
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foreach (var option in param.Options)
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{
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comboBox.Items.Add(option);
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}
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}
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comboBox.SelectedItem = param.Value;
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comboBox.SelectionChanged += (s, e) =>
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{
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if (comboBox.SelectedItem != null)
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{
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_currentProcessor?.SetParameter(param.Name, comboBox.SelectedItem.ToString()!);
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// 如果�?FilterType 参数，重新加载界面以更新参数可见�?
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if (param.Name == "FilterType")
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{
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LoadProcessor(_currentProcessor);
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}
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OnParameterChanged();
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}
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};
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return comboBox;
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}
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/// <summary>
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/// 创建文本框控件（TextBox�?
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/// </summary>
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private UIElement CreateTextBoxControl(ProcessorParameter param)
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{
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var textBox = new TextBox
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{
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Text = param.Value?.ToString() ?? "",
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Margin = new Thickness(0, 5, 0, 0),
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Width = 200,
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HorizontalAlignment = HorizontalAlignment.Left
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};
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textBox.TextChanged += (s, e) =>
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{
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_currentProcessor?.SetParameter(param.Name, textBox.Text);
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OnParameterChanged();
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};
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return textBox;
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}
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/// <summary>
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/// 获取当前配置的算�?
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/// </summary>
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public ImageProcessorBase? GetProcessor()
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{
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return _currentProcessor;
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}
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/// <summary>
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/// 清空参数控件
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/// </summary>
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public void Clear()
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{
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_currentProcessor = null;
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pnlParameters.Children.Clear();
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UpdateNoProcessorText();
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}
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} |