480 lines
16 KiB
C#
480 lines
16 KiB
C#
/************************************************************************
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*@file FrameworkLocal\UIClient\CenterViews\Core\UserControls\ParameterNodeTreeViewControl.cs
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* @author Su Liang
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* @Date 2022-08-01
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*
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* @copyright © Sicentury Inc.
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*
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* @brief Reconstructed to support rich functions.
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*
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* @details
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* *****************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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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 Microsoft.VisualBasic.FileIO;
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using Sicentury.Core.Dialogs;
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using Sicentury.Core.Tree;
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namespace Sicentury.Core.UserControls
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{
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/// <summary>
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/// Interaction logic for ParameterNodeTreeViewControl.xaml
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/// </summary>
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public partial class ParameterNodeTreeViewControl
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{
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#region Variables
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private bool _clearGroupSelectionOnly = false;
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#endregion
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/// <summary>
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/// 父级文件夹。
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/// </summary>
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private const string PRESET_GROUP_SUB_FOLDER_NAME = "PresetGroups";
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public ParameterNodeTreeViewControl()
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{
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//InitializeComponent();
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}
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protected override void OnInitialized(System.EventArgs e)
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{
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InitializeComponent();
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base.OnInitialized(e);
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LoadPresetGroupFilesList();
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}
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#region Properties
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public static readonly DependencyProperty TreeRootProperty = DependencyProperty.Register(
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nameof(TreeRoot), typeof(TreeNode), typeof(ParameterNodeTreeViewControl),
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new PropertyMetadata(default(TreeNode), (o, p) =>
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{
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if (o is ParameterNodeTreeViewControl control)
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{
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if (p.NewValue is TreeNode tree)
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{
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tree.TerminalNodeSelectionChanged += (sender, b) =>
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{
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control.RaiseEvent(new RoutedEventArgs(TerminalNodeSelectionChangedEvent, sender));
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};
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}
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}
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}));
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/// <summary>
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/// 设置或返回TreeView数据源。
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/// </summary>
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public TreeNode TreeRoot
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{
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get => (TreeNode)GetValue(TreeRootProperty);
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set => SetValue(TreeRootProperty, value);
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}
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public static readonly DependencyProperty PresetGroupsFolderNameProperty = DependencyProperty.Register(
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"PresetGroupsFolderName", typeof(string), typeof(ParameterNodeTreeViewControl),
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new PropertyMetadata(default(string)));
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/// <summary>
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/// 设置或返回存放预设组信息的子文件夹名称。
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/// </summary>
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public string PresetGroupsFolderName
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{
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get => (string)GetValue(PresetGroupsFolderNameProperty);
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set => SetValue(PresetGroupsFolderNameProperty, value);
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}
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#endregion
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#region Routed Events
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// Register a custom routed event using the Bubble routing strategy.
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public static readonly RoutedEvent TerminalNodeSelectionChangedEvent = EventManager.RegisterRoutedEvent(
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name: nameof(TerminalNodeSelectionChanged),
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routingStrategy: RoutingStrategy.Bubble,
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handlerType: typeof(RoutedEventHandler),
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ownerType: typeof(ParameterNodeTreeViewControl));
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// Provide CLR accessors for assigning an event handler.
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public event RoutedEventHandler TerminalNodeSelectionChanged
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{
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add => AddHandler(TerminalNodeSelectionChangedEvent, value);
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remove => RemoveHandler(TerminalNodeSelectionChangedEvent, value);
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}
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#endregion
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#region Methods
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/// <summary>
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/// 返回组信息文件名的完整路径。
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/// </summary>
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/// <param name="groupName">组名称</param>
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/// <returns></returns>
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private string GetPresetGroupFullFileName(string groupName)
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{
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return Path.Combine(AppDomain.CurrentDomain.BaseDirectory, PRESET_GROUP_SUB_FOLDER_NAME,
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PresetGroupsFolderName, groupName + ".json");
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}
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/// <summary>
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/// 返回保存组信息的文件夹名称。
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/// </summary>
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/// <returns></returns>
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private string GetPresetGroupsFolderName()
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{
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return Path.Combine(AppDomain.CurrentDomain.BaseDirectory, PRESET_GROUP_SUB_FOLDER_NAME,
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PresetGroupsFolderName);
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}
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/// <summary>
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/// 加载指定文件夹内的所有json文件。
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/// </summary>
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/// <returns></returns>
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/// <exception cref="ArgumentException"></exception>
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private void LoadPresetGroupFilesList(string selectedGroupName = "")
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{
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if (string.IsNullOrEmpty(PresetGroupsFolderName))
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throw new ArgumentException("the preset group files folder is not set.",
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paramName: nameof(PresetGroupsFolderName));
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var folderName = GetPresetGroupsFolderName();
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var previousSelection = selectedGroupName;
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// 如果未指定下次待加载的项目，则保存当前的选择
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if (string.IsNullOrEmpty(previousSelection))
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if (cbxPresetList.SelectedItem != null)
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previousSelection = cbxPresetList.SelectedItem.ToString();
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// 如果文件夹不存在，返回空列表
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if (!Directory.Exists(folderName))
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{
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Directory.CreateDirectory(folderName);
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cbxPresetList.ItemsSource = new List<string>();
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}
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else
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{
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var source =
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Directory.EnumerateFiles(folderName, "*.json")
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.Select(Path.GetFileNameWithoutExtension)
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.ToList();
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cbxPresetList.ItemsSource = source;
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// 重新选择上次的选择
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if (string.IsNullOrEmpty(previousSelection) == false)
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{
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if (source.FirstOrDefault(x => x == previousSelection) != null)
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cbxPresetList.SelectedItem = previousSelection;
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}
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else
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{
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// 如果TreeView还没有加载内容，则不要自动选择
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if (TreeRoot != null)
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cbxPresetList.SelectedIndex = 0;
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}
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}
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}
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/// <summary>
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/// 仅清空Group下拉框的选项，而不清除TreeView的选择状态。
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/// <para>通常用于DataGrid中删除条目后，清除Group选项。</para>
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/// </summary>
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public void ClearPresetGroupSelectionOnly()
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{
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_clearGroupSelectionOnly = true;
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cbxPresetList.SelectedIndex = -1;
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_clearGroupSelectionOnly = false;
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}
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#endregion
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#region Events
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/// <summary>
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/// 重新加载组列表。
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void BtnRefreshPresetList_OnClick(object sender, RoutedEventArgs e)
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{
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try
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{
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LoadPresetGroupFilesList();
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}
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catch (Exception ex)
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{
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var err = $"Unable to refresh the group list, {ex.Message}";
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MessageBox.Show(err, "Error", MessageBoxButton.OK,
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MessageBoxImage.Error);
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}
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}
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/// <summary>
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/// 新建组。
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void BtnNewGroup_OnClick(object sender, RoutedEventArgs e)
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{
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try
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{
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TreeRoot.UnselectAll();
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cbxPresetList.SelectedIndex = -1;
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}
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catch (Exception ex)
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{
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var err = $"Unable to create new group, {ex.Message}";
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MessageBox.Show(err, "Error", MessageBoxButton.OK,
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MessageBoxImage.Error);
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}
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}
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/// <summary>
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/// 保存组。
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void BtnSave_OnClick(object sender, RoutedEventArgs e)
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{
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var groupName = "";
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//if (TreeRoot.SelectedTerminalCount > TreeNode.QUERY_LIMIT_COUNT)
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//{
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// MessageBox.Show($"Too many items are selected, it's limited to {TreeNode.QUERY_LIMIT_COUNT}.",
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// "Error", MessageBoxButton.OK,
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// MessageBoxImage.Error);
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// return;
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//}
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if (cbxPresetList.SelectedIndex == -1)
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{
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var dlg = new PresetGroupSaveDialog("Save Group", cbxPresetList.ItemsSource?.Cast<string>());
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var ret = dlg.ShowDialog();
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if (ret.HasValue && ret.Value == true)
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{
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groupName = dlg.GroupName;
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}
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else
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{
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return;
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}
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}
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else
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{
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groupName = cbxPresetList.SelectedItem.ToString();
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}
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try
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{
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// 保存
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TreeNodeSelectionGroupInfo.SaveToJsonFile(GetPresetGroupFullFileName(groupName), TreeRoot);
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LoadPresetGroupFilesList(groupName);
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}
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catch (Exception ex)
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{
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var err = $"Unable to save group {groupName}, {ex.Message}";
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MessageBox.Show(err, "Error", MessageBoxButton.OK,
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MessageBoxImage.Error);
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}
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}
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/// <summary>
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/// 另存为组。
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void BtnSaveAs_OnClick(object sender, RoutedEventArgs e)
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{
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if (cbxPresetList.SelectedIndex == -1)
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{
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MessageBox.Show("No group is selected.", "Error", MessageBoxButton.OK,
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MessageBoxImage.Error);
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return;
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}
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var newName = $"Copy of {cbxPresetList.SelectedValue}";
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var dlg = new PresetGroupSaveDialog("Save As Group",
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cbxPresetList.ItemsSource?.Cast<string>(),
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newName);
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var ret = dlg.ShowDialog();
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if (ret.HasValue && ret.Value)
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{
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var groupName = cbxPresetList.SelectedItem.ToString();
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try
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{
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// 保存
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TreeNodeSelectionGroupInfo.SaveToJsonFile(GetPresetGroupFullFileName(groupName), TreeRoot);
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// 保存一个空文件
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TreeNodeSelectionGroupInfo.SaveToJsonFile(GetPresetGroupFullFileName(dlg.GroupName), TreeRoot);
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LoadPresetGroupFilesList(dlg.GroupName);
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}
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catch (Exception ex)
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{
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var err = $"Unable to save as group {groupName}, {ex.Message}";
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MessageBox.Show(err, "Error", MessageBoxButton.OK,
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MessageBoxImage.Error);
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}
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}
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}
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/// <summary>
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/// 选择组。
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void CbxPresetList_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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if (cbxPresetList.SelectedIndex == -1)
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{
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//
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if (_clearGroupSelectionOnly)
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return;
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TreeRoot.UnselectAll();
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return;
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}
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var groupName = cbxPresetList.SelectedValue.ToString();
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try
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{
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TreeNodeSelectionGroupInfo.RecoveryFromJsonFile(GetPresetGroupFullFileName(groupName), TreeRoot);
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}
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catch (Exception ex)
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{
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var err = $"Unable to recovery group {groupName}, {ex.Message}";
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MessageBox.Show(err, "Error", MessageBoxButton.OK,
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MessageBoxImage.Error);
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}
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}
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/// <summary>
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/// 删除组。
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void BtnDelete_OnClick(object sender, RoutedEventArgs e)
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{
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// 如果没选中任何组，忽略操作
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if (cbxPresetList.SelectedIndex == -1)
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return;
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var groupName = cbxPresetList.SelectedItem.ToString();
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if (string.IsNullOrEmpty(groupName))
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return;
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var ret = MessageBox.Show($"Are you sure to delete the group {groupName}", "Warning",
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MessageBoxButton.YesNo, MessageBoxImage.Question);
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if (ret == MessageBoxResult.Yes)
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{
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try
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{
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FileSystem.DeleteFile(GetPresetGroupFullFileName(groupName), UIOption.OnlyErrorDialogs,
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RecycleOption.SendToRecycleBin);
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LoadPresetGroupFilesList();
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}
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catch (Exception ex)
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{
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var err = $"Unable to delete group {groupName}, {ex.Message}";
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MessageBox.Show(err, "Error", MessageBoxButton.OK,
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MessageBoxImage.Error);
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}
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}
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}
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/// <summary>
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/// 折叠所有节点。
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void BtnCollapseAll_OnClick(object sender, RoutedEventArgs e)
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{
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TreeRoot.CollapseAll();
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}
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/// <summary>
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/// 展开所有节点。
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void BtnExpandAll_OnClick(object sender, RoutedEventArgs e)
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{
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TreeRoot.ExpandAll();
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}
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/// <summary>
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/// 应用筛选器。
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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/// <exception cref="NotImplementedException"></exception>
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private void BtnApplyFilter_OnClick(object sender, RoutedEventArgs e)
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{
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TreeRoot.SuspendUpdate();
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TreeRoot.ApplyFilter(txtFilterKeyword.Text);
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TreeRoot.ResumeUpdate();
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txtFilterKeyword.SelectAll();
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txtFilterKeyword.Focus();
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}
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/// <summary>
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/// 清除筛选器
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void BtnClearFilter_OnClick(object sender, RoutedEventArgs e)
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{
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TreeRoot.SuspendUpdate();
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TreeRoot.ClearFilter();
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TreeRoot.ResumeUpdate();
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txtFilterKeyword.Text = "";
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txtFilterKeyword.Focus();
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}
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private void TxtFilterKeyword_OnKeyDown(object sender, KeyEventArgs e)
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{
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if (e.Key != Key.Enter)
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return;
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TreeRoot.ApplyFilter(txtFilterKeyword.Text);
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txtFilterKeyword.SelectAll();
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txtFilterKeyword.Focus();
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}
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private void BtnShowSelectedOnly_OnClick(object sender, RoutedEventArgs e)
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{
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TreeRoot.ShowSelectedOnly();
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}
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private void BtnShowAll_OnClick(object sender, RoutedEventArgs e)
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{
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TreeRoot.ShowAll();
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}
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#endregion
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}
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}
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