xiaowei/DMS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

修改了历史记录页面

Browse Source
This commit is contained in:
David P.G
2025-09-12 08:35:35 +08:00
parent 5680c38fa9
commit 8afb989486
2 changed files with 143 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

132
DMS.WPF/ViewModels/VariableHistoryViewModel.cs
View File

@@ -1,4 +1,5 @@
using System.Collections;
using System.Collections.ObjectModel;
using AutoMapper;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
@@ -38,7 +39,7 @@ partial class VariableHistoryViewModel : ViewModelBase, INavigatable
/// 建议的变量列表
/// </summary>
[ObservableProperty]
private List<VariableHistoryDto> _suggestedVariables;
private ObservableCollection<VariableHistoryDto> _suggestedVariables;
/// <summary>
/// 历史记录条数限制
@@ -57,6 +58,12 @@ partial class VariableHistoryViewModel : ViewModelBase, INavigatable
/// </summary>
[ObservableProperty]
private DateTime? _endTime;
/// <summary>
/// 选中的变量历史记录
/// </summary>
[ObservableProperty]
private VariableHistoryDto _selectedVariable;
/// <summary>
/// 变量历史记录列表
@@ -85,12 +92,13 @@ partial class VariableHistoryViewModel : ViewModelBase, INavigatable
_variableHistorySynchronizedView = _variableHistoryList.CreateView(v => v);
VariableHistories = _variableHistorySynchronizedView.ToNotifyCollectionChanged();
_allVariableHistories = new List<VariableHistoryDto>();
_suggestedVariables = new List<VariableHistoryDto>();
_suggestedVariables = new ObservableCollection<VariableHistoryDto>();
// 初始化默认值
_historyLimit = 1000; // 默认限制1000条记录
_startTime = null;
_endTime = null;
_selectedVariable = new VariableHistoryDto();
}
/// <summary>
@@ -119,44 +127,80 @@ partial class VariableHistoryViewModel : ViewModelBase, INavigatable
}
/// <summary>
/// 更新建议的变量列表
/// </summary>
private void UpdateSuggestedVariables()
/// 更新建议的变量列表
/// </summary>
private void UpdateSuggestedVariables()
{
// 清空现有建议列表
_suggestedVariables.Clear();
if (string.IsNullOrWhiteSpace(SearchText))
{
if (string.IsNullOrWhiteSpace(SearchText))
{
// 如果搜索文本为空，显示所有唯一的变量名
_suggestedVariables = _allVariableHistories
.GroupBy(h => h.VariableName)
.Select(g => g.First())
.Take(10)
.ToList();
}
else
{
// 根据搜索文本过滤建议列表
_suggestedVariables = _allVariableHistories
.Where(h =>
h.VariableName?.Contains(SearchText, StringComparison.OrdinalIgnoreCase) ==
true)
.GroupBy(h => h.VariableName)
.Select(g => g.First())
.Take(10)
.ToList();
}
// 如果搜索文本为空，显示所有唯一的变量名
var uniqueVariables = _allVariableHistories
.GroupBy(h => h.VariableName)
.Select(g => g.First())
.Take(10)
.ToList();
foreach (var variable in uniqueVariables)
{
_suggestedVariables.Add(variable);
}
}
else
{
// 根据搜索文本过滤建议列表
var filteredVariables = _allVariableHistories
.Where(h =>
h.VariableName?.Contains(SearchText, StringComparison.OrdinalIgnoreCase) ==
true)
.GroupBy(h => h.VariableName)
.Select(g => g.First())
.Take(10)
.ToList();
foreach (var variable in filteredVariables)
{
_suggestedVariables.Add(variable);
}
}
}
public async Task OnNavigatedToAsync(MenuItemViewModel menu)
{
// 加载所有变量的历史记录
LoadAllVariableHistories(HistoryLimit, StartTime, EndTime);
}
/// <summary>
/// 搜索变量历史记录
/// 重新加载历史记录命令
/// </summary>
[RelayCommand]
private void Reload()
{
LoadAllVariableHistories(HistoryLimit, StartTime, EndTime);
}
/// <summary>
/// 更新建议列表命令
/// </summary>
[RelayCommand]
private void UpdateSuggestions()
{
UpdateSuggestedVariables();
}
/// <summary>
/// 当搜索文本改变时触发
/// </summary>
/// <param name="value"></param>
partial void OnSearchTextChanged(string value)
{
// 更新建议列表
UpdateSuggestedVariables();
if (string.IsNullOrWhiteSpace(SearchText))
if (string.IsNullOrWhiteSpace(value))
{
// 如果搜索文本为空，显示所有历史记录
_variableHistoryList.Clear();
@@ -168,18 +212,38 @@ partial class VariableHistoryViewModel : ViewModelBase, INavigatable
var filteredHistories = _allVariableHistories
.Where(h =>
h.VariableName?.Contains(
SearchText, StringComparison.OrdinalIgnoreCase) == true)
value, StringComparison.OrdinalIgnoreCase) == true)
.ToList();
_variableHistoryList.Clear();
_variableHistoryList.AddRange(filteredHistories);
}
}
public async Task OnNavigatedToAsync(MenuItemViewModel menu)
/// <summary>
/// 根据搜索文本过滤历史记录
/// </summary>
/// <param name="searchText"></param>
private void FilterHistoriesBySearchText(string searchText)
{
// 加载所有变量的历史记录
LoadAllVariableHistories(HistoryLimit, StartTime, EndTime);
if (string.IsNullOrWhiteSpace(searchText))
{
// 如果搜索文本为空，显示所有历史记录
_variableHistoryList.Clear();
_variableHistoryList.AddRange(_allVariableHistories);
}
else
{
// 根据搜索文本过滤历史记录
var filteredHistories = _allVariableHistories
.Where(h =>
h.VariableName?.Contains(
searchText, StringComparison.OrdinalIgnoreCase) == true)
.ToList();
_variableHistoryList.Clear();
_variableHistoryList.AddRange(filteredHistories);
}
}
/// <summary>