266 lines
12 KiB
C#
266 lines
12 KiB
C#
using Ink_Canvas.Helpers;
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using System;
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using System.Diagnostics;
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using System.Linq;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Ink;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Controls;
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using Newtonsoft.Json;
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using System.Collections.Generic;
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using System.IO;
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namespace Ink_Canvas {
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public partial class MainWindow : Window {
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private StrokeCollection[] strokeCollections = new StrokeCollection[101];
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private bool[] whiteboadLastModeIsRedo = new bool[101];
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private StrokeCollection lastTouchDownStrokeCollection = new StrokeCollection();
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private int CurrentWhiteboardIndex = 1;
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private int WhiteboardTotalCount = 1;
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private TimeMachineHistory[][] TimeMachineHistories = new TimeMachineHistory[101][]; //最多99页，0用来存储非白板时的墨迹以便还原
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// 保存每页白板图片信息
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private void SaveStrokes(bool isBackupMain = false) {
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if (isBackupMain) {
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var timeMachineHistory = timeMachine.ExportTimeMachineHistory();
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TimeMachineHistories[0] = timeMachineHistory;
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timeMachine.ClearStrokeHistory();
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} else {
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// 新增：提交所有图片元素到时间机器历史记录
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foreach (var child in inkCanvas.Children)
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{
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if (child is Image img)
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{
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timeMachine.CommitElementInsertHistory(img);
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}
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}
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var timeMachineHistory = timeMachine.ExportTimeMachineHistory();
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TimeMachineHistories[CurrentWhiteboardIndex] = timeMachineHistory;
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timeMachine.ClearStrokeHistory();
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// 保存当前页图片信息
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var elementInfos = new List<CanvasElementInfo>();
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foreach (var child in inkCanvas.Children)
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{
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if (child is Image img && img.Source is BitmapImage bmp)
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{
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elementInfos.Add(new CanvasElementInfo
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{
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Type = "Image",
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SourcePath = bmp.UriSource?.LocalPath ?? "",
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Left = InkCanvas.GetLeft(img),
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Top = InkCanvas.GetTop(img),
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Width = img.Width,
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Height = img.Height
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});
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}
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}
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var savePath = Settings.Automation.AutoSavedStrokesLocation;
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if (!Directory.Exists(savePath)) Directory.CreateDirectory(savePath);
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File.WriteAllText(System.IO.Path.Combine(savePath, $"elements_page{CurrentWhiteboardIndex}.json"), JsonConvert.SerializeObject(elementInfos, Formatting.Indented));
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}
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}
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private void ClearStrokes(bool isErasedByCode) {
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_currentCommitType = CommitReason.ClearingCanvas;
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if (isErasedByCode) _currentCommitType = CommitReason.CodeInput;
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inkCanvas.Strokes.Clear();
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_currentCommitType = CommitReason.UserInput;
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}
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// 恢复每页白板图片信息
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private void RestoreStrokes(bool isBackupMain = false) {
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try {
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if (TimeMachineHistories[CurrentWhiteboardIndex] == null) return; //防止白板打开后不居中
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if (isBackupMain) {
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timeMachine.ImportTimeMachineHistory(TimeMachineHistories[0]);
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foreach (var item in TimeMachineHistories[0]) ApplyHistoryToCanvas(item);
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} else {
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timeMachine.ImportTimeMachineHistory(TimeMachineHistories[CurrentWhiteboardIndex]);
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// 新增：通过时间机器历史恢复图片
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foreach (var item in TimeMachineHistories[CurrentWhiteboardIndex])
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{
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if (item.CommitType == TimeMachineHistoryType.ElementInsert)
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{
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inkCanvas.Children.Add(item.InsertedElement);
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}
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}
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foreach (var item in TimeMachineHistories[CurrentWhiteboardIndex]) ApplyHistoryToCanvas(item);
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// 恢复当前页图片信息
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inkCanvas.Children.Clear();
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var savePath = Settings.Automation.AutoSavedStrokesLocation;
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var elementsFile = System.IO.Path.Combine(savePath, $"elements_page{CurrentWhiteboardIndex}.json");
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if (File.Exists(elementsFile))
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{
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var elementInfos = JsonConvert.DeserializeObject<List<CanvasElementInfo>>(File.ReadAllText(elementsFile));
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foreach (var info in elementInfos)
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{
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if (info.Type == "Image" && File.Exists(info.SourcePath))
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{
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var img = new Image
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{
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Source = new BitmapImage(new Uri(info.SourcePath)),
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Width = info.Width,
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Height = info.Height,
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Stretch = Enum.TryParse<Stretch>(info.Stretch, out var stretch) ? stretch : Stretch.Fill
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};
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InkCanvas.SetLeft(img, info.Left);
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InkCanvas.SetTop(img, info.Top);
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inkCanvas.Children.Add(img);
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}
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}
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}
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}
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}
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catch {
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// ignored
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}
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}
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private async void BtnWhiteBoardPageIndex_Click(object sender, EventArgs e) {
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if (sender == BtnLeftPageListWB) {
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if (BoardBorderLeftPageListView.Visibility == Visibility.Visible) {
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AnimationsHelper.HideWithSlideAndFade(BoardBorderLeftPageListView);
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} else {
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AnimationsHelper.HideWithSlideAndFade(BoardBorderRightPageListView);
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RefreshBlackBoardSidePageListView();
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AnimationsHelper.ShowWithSlideFromBottomAndFade(BoardBorderLeftPageListView);
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await Task.Delay(1);
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ScrollViewToVerticalTop(
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(ListViewItem)BlackBoardLeftSidePageListView.ItemContainerGenerator.ContainerFromIndex(
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CurrentWhiteboardIndex - 1), BlackBoardLeftSidePageListScrollViewer);
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}
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} else if (sender == BtnRightPageListWB)
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{
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if (BoardBorderRightPageListView.Visibility == Visibility.Visible) {
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AnimationsHelper.HideWithSlideAndFade(BoardBorderRightPageListView);
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} else {
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AnimationsHelper.HideWithSlideAndFade(BoardBorderLeftPageListView);
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RefreshBlackBoardSidePageListView();
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AnimationsHelper.ShowWithSlideFromBottomAndFade(BoardBorderRightPageListView);
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await Task.Delay(1);
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ScrollViewToVerticalTop(
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(ListViewItem)BlackBoardRightSidePageListView.ItemContainerGenerator.ContainerFromIndex(
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CurrentWhiteboardIndex - 1), BlackBoardRightSidePageListScrollViewer);
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}
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}
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}
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private void BtnWhiteBoardSwitchPrevious_Click(object sender, EventArgs e) {
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if (CurrentWhiteboardIndex <= 1) return;
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SaveStrokes();
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ClearStrokes(true);
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CurrentWhiteboardIndex--;
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RestoreStrokes();
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UpdateIndexInfoDisplay();
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}
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private void BtnWhiteBoardSwitchNext_Click(object sender, EventArgs e) {
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Trace.WriteLine("113223234");
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if (Settings.Automation.IsAutoSaveStrokesAtClear &&
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inkCanvas.Strokes.Count > Settings.Automation.MinimumAutomationStrokeNumber) SaveScreenShot(true);
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if (CurrentWhiteboardIndex >= WhiteboardTotalCount) {
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// 在最后一页时，点击“新页面”按钮直接新增一页
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BtnWhiteBoardAdd_Click(sender, e);
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return;
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}
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SaveStrokes();
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ClearStrokes(true);
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CurrentWhiteboardIndex++;
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RestoreStrokes();
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UpdateIndexInfoDisplay();
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}
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private void BtnWhiteBoardAdd_Click(object sender, EventArgs e) {
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if (WhiteboardTotalCount >= 99) return;
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if (Settings.Automation.IsAutoSaveStrokesAtClear &&
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inkCanvas.Strokes.Count > Settings.Automation.MinimumAutomationStrokeNumber) SaveScreenShot(true);
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SaveStrokes();
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ClearStrokes(true);
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WhiteboardTotalCount++;
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CurrentWhiteboardIndex++;
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if (CurrentWhiteboardIndex != WhiteboardTotalCount)
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for (var i = WhiteboardTotalCount; i > CurrentWhiteboardIndex; i--)
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TimeMachineHistories[i] = TimeMachineHistories[i - 1];
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UpdateIndexInfoDisplay();
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if (WhiteboardTotalCount >= 99) BtnWhiteBoardAdd.IsEnabled = false;
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if (BlackBoardLeftSidePageListView.Visibility == Visibility.Visible) {
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RefreshBlackBoardSidePageListView();
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}
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}
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private void BtnWhiteBoardDelete_Click(object sender, RoutedEventArgs e) {
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ClearStrokes(true);
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if (CurrentWhiteboardIndex != WhiteboardTotalCount)
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for (var i = CurrentWhiteboardIndex; i <= WhiteboardTotalCount; i++)
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TimeMachineHistories[i] = TimeMachineHistories[i + 1];
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else
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CurrentWhiteboardIndex--;
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WhiteboardTotalCount--;
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RestoreStrokes();
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UpdateIndexInfoDisplay();
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if (WhiteboardTotalCount < 99) BtnWhiteBoardAdd.IsEnabled = true;
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}
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private void UpdateIndexInfoDisplay() {
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TextBlockWhiteBoardIndexInfo.Text =
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$"{CurrentWhiteboardIndex}/{WhiteboardTotalCount}";
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bool isLastPage = CurrentWhiteboardIndex == WhiteboardTotalCount;
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bool isMaxPage = WhiteboardTotalCount >= 99;
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// 设置按钮文本
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BtnLeftWhiteBoardSwitchNextLabel.Text = isLastPage ? "新页面" : "下一页";
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BtnRightWhiteBoardSwitchNextLabel.Text = isLastPage ? "新页面" : "下一页";
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// 始终允许点击“下一页/新页面”按钮（除非已达最大页数）
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BtnWhiteBoardSwitchNext.IsEnabled = !isMaxPage;
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// 保持按钮常亮（高亮）
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BtnLeftWhiteBoardSwitchNextGeometry.Brush = new SolidColorBrush(Color.FromArgb(255, 24, 24, 27));
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BtnLeftWhiteBoardSwitchNextLabel.Opacity = 1;
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BtnRightWhiteBoardSwitchNextGeometry.Brush = new SolidColorBrush(Color.FromArgb(255, 24, 24, 27));
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BtnRightWhiteBoardSwitchNextLabel.Opacity = 1;
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BtnWhiteBoardSwitchPrevious.IsEnabled = true;
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if (CurrentWhiteboardIndex == 1) {
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BtnWhiteBoardSwitchPrevious.IsEnabled = false;
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BtnLeftWhiteBoardSwitchPreviousGeometry.Brush = new SolidColorBrush(Color.FromArgb(127, 24, 24, 27));
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BtnLeftWhiteBoardSwitchPreviousLabel.Opacity = 0.5;
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BtnRightWhiteBoardSwitchPreviousGeometry.Brush = new SolidColorBrush(Color.FromArgb(127, 24, 24, 27));
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BtnRightWhiteBoardSwitchPreviousLabel.Opacity = 0.5;
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} else {
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BtnLeftWhiteBoardSwitchPreviousGeometry.Brush = new SolidColorBrush(Color.FromArgb(255, 24, 24, 27));
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BtnLeftWhiteBoardSwitchPreviousLabel.Opacity = 1;
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BtnRightWhiteBoardSwitchPreviousGeometry.Brush = new SolidColorBrush(Color.FromArgb(255, 24, 24, 27));
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BtnRightWhiteBoardSwitchPreviousLabel.Opacity = 1;
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}
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BtnWhiteBoardDelete.IsEnabled = WhiteboardTotalCount != 1;
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}
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}
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} |