mirror of
https://gitee.com/akwkevin/aistudio.-wpf.-diagram
synced 2026-03-03 00:00:57 +08:00
序列化调整中
This commit is contained in:
艾竹
@@ -18,6 +18,27 @@ namespace AIStudio.Wpf.DiagramDesigner
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public class DiagramViewModel : BindableBase, IDiagramViewModel
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{
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#region 属性
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public ObservableCollection<SelectableDesignerItemViewModelBase> Items { get; set; } = new ObservableCollection<SelectableDesignerItemViewModelBase>();
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public List<SelectableDesignerItemViewModelBase> SelectedItems
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{
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get
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{
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return Items.Where(x => x.IsSelected).ToList();
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}
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}
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private SelectionService selectionService;
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public SelectionService SelectionService
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{
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get
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{
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if (selectionService == null)
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selectionService = new SelectionService(this);
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return selectionService;
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}
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}
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private bool _isReadOnly;
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public bool IsReadOnly
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{
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@@ -61,7 +82,6 @@ namespace AIStudio.Wpf.DiagramDesigner
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}
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private Size _pageSize = new Size(1000, 600);
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public Size PageSize
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{
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get
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@@ -388,145 +408,7 @@ namespace AIStudio.Wpf.DiagramDesigner
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private double OffsetY = 10;
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#endregion
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private DoCommandManager DoCommandManager = new DoCommandManager();
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public DiagramViewModel()
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{
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CreateNewDiagramCommand = new SimpleCommand(ExecuteEnable, ExecuteCreateNewDiagramCommand);
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AddItemCommand = new SimpleCommand(ExecuteEnable, ExecuteAddItemCommand);
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DirectAddItemCommand = new SimpleCommand(ExecuteEnable, ExecuteDirectAddItemCommand);
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RemoveItemCommand = new SimpleCommand(ExecuteEnable, ExecuteRemoveItemCommand);
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DirectRemoveItemCommand = new SimpleCommand(ExecuteEnable, ExecuteDirectRemoveItemCommand);
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ClearSelectedItemsCommand = new SimpleCommand(ExecuteEnable, ExecuteClearSelectedItemsCommand);
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AlignTopCommand = new SimpleCommand(ExecuteEnable, ExecuteAlignTopCommand);
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AlignVerticalCentersCommand = new SimpleCommand(ExecuteEnable, ExecuteAlignVerticalCentersCommand);
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AlignBottomCommand = new SimpleCommand(ExecuteEnable, ExecuteAlignBottomCommand);
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AlignLeftCommand = new SimpleCommand(ExecuteEnable, ExecuteAlignLeftCommand);
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AlignHorizontalCentersCommand = new SimpleCommand(ExecuteEnable, ExecuteAlignHorizontalCentersCommand);
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AlignRightCommand = new SimpleCommand(ExecuteEnable, ExecuteAlignRightCommand);
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BringForwardCommand = new SimpleCommand(ExecuteEnable, ExecuteBringForwardCommand);
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BringToFrontCommand = new SimpleCommand(ExecuteEnable, ExecuteBringToFrontCommand);
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SendBackwardCommand = new SimpleCommand(ExecuteEnable, ExecuteSendBackwardCommand);
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SendToBackCommand = new SimpleCommand(ExecuteEnable, ExecuteSendToBackCommand);
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DistributeHorizontalCommand = new SimpleCommand(ExecuteEnable, ExecuteDistributeHorizontalCommand);
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DistributeVerticalCommand = new SimpleCommand(ExecuteEnable, ExecuteDistributeVerticalCommand);
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SelectAllCommand = new SimpleCommand(ExecuteEnable, ExecuteSelectAllCommand);
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CopyCommand = new SimpleCommand(ExecuteEnable, ExecuteCopyCommand);
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PasteCommand = new SimpleCommand(ExecuteEnable, ExecutePasteCommand);
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CutCommand = new SimpleCommand(ExecuteEnable, ExecuteCutCommand);
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DeleteCommand = new SimpleCommand(ExecuteEnable, ExecuteDeleteCommand);
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LeftMoveCommand = new SimpleCommand(ExecuteEnable, ExecuteLeftMoveCommand);
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RightMoveCommand = new SimpleCommand(ExecuteEnable, ExecuteRightMoveCommand);
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UpMoveCommand = new SimpleCommand(ExecuteEnable, ExecuteUpMoveCommand);
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DownMoveCommand = new SimpleCommand(ExecuteEnable, ExecuteDownMoveCommand);
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CenterMoveCommand = new SimpleCommand(ExecuteEnable, ExecuteCenterMoveCommand);
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SameSizeCommand = new SimpleCommand(ExecuteEnable, ExecuteSameSizeCommand);
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SameWidthCommand = new SimpleCommand(ExecuteEnable, ExecuteSameWidthCommand);
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SameHeightCommand = new SimpleCommand(ExecuteEnable, ExecuteSameHeightCommand);
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SameAngleCommand = new SimpleCommand(ExecuteEnable, ExecuteSameAngleCommand);
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GroupCommand = new SimpleCommand(ExecuteEnable, ExecuteGroupCommand);
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UngroupCommand = new SimpleCommand(ExecuteEnable, ExecuteUngroupCommand);
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LockCommand = new SimpleCommand(ExecuteEnable, ExecuteLockCommand);
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UnlockCommand = new SimpleCommand(ExecuteEnable, ExecuteUnlockCommand);
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Mediator.Instance.Register(this);
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Items.CollectionChanged += Items_CollectionChanged;
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}
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public bool ExecuteEnable(object para)
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{
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return IsReadOnly == false;
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}
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#region UnDo ReDo
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private void Do(object sender, string propertyName, object newvalue)
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{
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sender.SetPropertyValue(propertyName, newvalue);
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}
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private void UnDo(object sender, string propertyName, object oldvalue)
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{
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sender.SetPropertyValue(propertyName, oldvalue);
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}
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private bool _undoing;
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private void UndoExecuted(object para)
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{
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_undoing = true;
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DoCommandManager.UnDo();
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_undoing = false;
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}
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private void RedoExecuted(object para)
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{
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_undoing = true;
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DoCommandManager.ReDo();
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_undoing = false;
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}
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private bool Undo_Enabled(object para)
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{
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return DoCommandManager.CanUnDo;
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}
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private bool Redo_Enabled(object para)
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{
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return DoCommandManager.CanReDo;
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}
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#endregion
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private void Items_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
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{
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if (e.OldItems != null)
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{
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foreach (var item in e.OldItems.OfType<SelectableDesignerItemViewModelBase>())
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{
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item.PropertyChanged -= Item_PropertyChanged;
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item.Dispose();
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}
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}
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if (e.NewItems != null)
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{
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foreach (var item in e.NewItems.OfType<SelectableDesignerItemViewModelBase>())
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{
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item.PropertyChanged += Item_PropertyChanged;
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}
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}
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RaisePropertyChanged("Items");
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}
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private void Item_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
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{
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RaisePropertyChanged(sender, e.PropertyName);
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if (_undoing == true) return;
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//连续改变，需要特殊处理，不单独触发属性改变ReDo
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if (sender is DesignerItemViewModelBase designer)
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{
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if (designer.BeginDo) return;
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}
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if (e is ValuePropertyChangedEventArgs valuePropertyChangedEventArgs)
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{
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var property = sender.GetType().GetProperty(e.PropertyName);
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var attr = property.GetCustomAttributes(typeof(CanDoAttribute), true);
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if (attr != null && attr.Length != 0)
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{
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DoCommandManager.DoNewCommand(sender.ToString() + e.PropertyName, () => Do(sender, e.PropertyName, valuePropertyChangedEventArgs.NewValue), () => UnDo(sender, e.PropertyName, valuePropertyChangedEventArgs.OldValue), null, false);
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}
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}
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}
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[MediatorMessageSink("DoneDrawingMessage")]
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public void OnDoneDrawingMessage(bool dummy)
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{
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foreach (var item in Items.OfType<DesignerItemViewModelBase>())
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{
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item.ShowConnectors = false;
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}
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}
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#region 命令
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public SimpleCommand CreateNewDiagramCommand
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{
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get; private set;
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@@ -699,28 +581,144 @@ namespace AIStudio.Wpf.DiagramDesigner
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return this._redoCommand ?? (this._redoCommand = new SimpleCommand(Redo_Enabled, this.RedoExecuted));
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}
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}
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#endregion
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public ObservableCollection<SelectableDesignerItemViewModelBase> Items { get; set; } = new ObservableCollection<SelectableDesignerItemViewModelBase>();
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public List<SelectableDesignerItemViewModelBase> SelectedItems
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private DoCommandManager DoCommandManager = new DoCommandManager();
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public DiagramViewModel()
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{
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get
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CreateNewDiagramCommand = new SimpleCommand(ExecuteEnable, ExecuteCreateNewDiagramCommand);
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AddItemCommand = new SimpleCommand(ExecuteEnable, ExecuteAddItemCommand);
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DirectAddItemCommand = new SimpleCommand(ExecuteEnable, ExecuteDirectAddItemCommand);
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RemoveItemCommand = new SimpleCommand(ExecuteEnable, ExecuteRemoveItemCommand);
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DirectRemoveItemCommand = new SimpleCommand(ExecuteEnable, ExecuteDirectRemoveItemCommand);
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ClearSelectedItemsCommand = new SimpleCommand(ExecuteEnable, ExecuteClearSelectedItemsCommand);
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AlignTopCommand = new SimpleCommand(ExecuteEnable, ExecuteAlignTopCommand);
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AlignVerticalCentersCommand = new SimpleCommand(ExecuteEnable, ExecuteAlignVerticalCentersCommand);
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AlignBottomCommand = new SimpleCommand(ExecuteEnable, ExecuteAlignBottomCommand);
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AlignLeftCommand = new SimpleCommand(ExecuteEnable, ExecuteAlignLeftCommand);
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AlignHorizontalCentersCommand = new SimpleCommand(ExecuteEnable, ExecuteAlignHorizontalCentersCommand);
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AlignRightCommand = new SimpleCommand(ExecuteEnable, ExecuteAlignRightCommand);
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BringForwardCommand = new SimpleCommand(ExecuteEnable, ExecuteBringForwardCommand);
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BringToFrontCommand = new SimpleCommand(ExecuteEnable, ExecuteBringToFrontCommand);
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SendBackwardCommand = new SimpleCommand(ExecuteEnable, ExecuteSendBackwardCommand);
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SendToBackCommand = new SimpleCommand(ExecuteEnable, ExecuteSendToBackCommand);
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DistributeHorizontalCommand = new SimpleCommand(ExecuteEnable, ExecuteDistributeHorizontalCommand);
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DistributeVerticalCommand = new SimpleCommand(ExecuteEnable, ExecuteDistributeVerticalCommand);
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SelectAllCommand = new SimpleCommand(ExecuteEnable, ExecuteSelectAllCommand);
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CopyCommand = new SimpleCommand(ExecuteEnable, ExecuteCopyCommand);
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PasteCommand = new SimpleCommand(ExecuteEnable, ExecutePasteCommand);
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CutCommand = new SimpleCommand(ExecuteEnable, ExecuteCutCommand);
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DeleteCommand = new SimpleCommand(ExecuteEnable, ExecuteDeleteCommand);
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LeftMoveCommand = new SimpleCommand(ExecuteEnable, ExecuteLeftMoveCommand);
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RightMoveCommand = new SimpleCommand(ExecuteEnable, ExecuteRightMoveCommand);
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UpMoveCommand = new SimpleCommand(ExecuteEnable, ExecuteUpMoveCommand);
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DownMoveCommand = new SimpleCommand(ExecuteEnable, ExecuteDownMoveCommand);
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CenterMoveCommand = new SimpleCommand(ExecuteEnable, ExecuteCenterMoveCommand);
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SameSizeCommand = new SimpleCommand(ExecuteEnable, ExecuteSameSizeCommand);
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SameWidthCommand = new SimpleCommand(ExecuteEnable, ExecuteSameWidthCommand);
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SameHeightCommand = new SimpleCommand(ExecuteEnable, ExecuteSameHeightCommand);
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SameAngleCommand = new SimpleCommand(ExecuteEnable, ExecuteSameAngleCommand);
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GroupCommand = new SimpleCommand(ExecuteEnable, ExecuteGroupCommand);
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UngroupCommand = new SimpleCommand(ExecuteEnable, ExecuteUngroupCommand);
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LockCommand = new SimpleCommand(ExecuteEnable, ExecuteLockCommand);
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UnlockCommand = new SimpleCommand(ExecuteEnable, ExecuteUnlockCommand);
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Mediator.Instance.Register(this);
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Items.CollectionChanged += Items_CollectionChanged;
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}
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public bool ExecuteEnable(object para)
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{
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return IsReadOnly == false;
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}
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#region UnDo ReDo
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private void Do(object sender, string propertyName, object newvalue)
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{
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sender.SetPropertyValue(propertyName, newvalue);
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}
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private void UnDo(object sender, string propertyName, object oldvalue)
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{
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sender.SetPropertyValue(propertyName, oldvalue);
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}
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private bool _undoing;
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private void UndoExecuted(object para)
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{
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_undoing = true;
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DoCommandManager.UnDo();
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_undoing = false;
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}
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private void RedoExecuted(object para)
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{
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_undoing = true;
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DoCommandManager.ReDo();
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_undoing = false;
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}
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private bool Undo_Enabled(object para)
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{
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return DoCommandManager.CanUnDo;
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}
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private bool Redo_Enabled(object para)
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{
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return DoCommandManager.CanReDo;
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}
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#endregion
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private void Items_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
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{
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if (e.OldItems != null)
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{
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return Items.Where(x => x.IsSelected).ToList();
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foreach (var item in e.OldItems.OfType<SelectableDesignerItemViewModelBase>())
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{
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item.PropertyChanged -= Item_PropertyChanged;
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item.Dispose();
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}
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}
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if (e.NewItems != null)
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{
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foreach (var item in e.NewItems.OfType<SelectableDesignerItemViewModelBase>())
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{
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item.PropertyChanged += Item_PropertyChanged;
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}
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}
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RaisePropertyChanged("Items");
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}
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private void Item_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
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{
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RaisePropertyChanged(sender, e.PropertyName);
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if (_undoing == true) return;
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//连续改变，需要特殊处理，不单独触发属性改变ReDo
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if (sender is DesignerItemViewModelBase designer)
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{
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if (designer.BeginDo) return;
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}
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if (e is ValuePropertyChangedEventArgs valuePropertyChangedEventArgs)
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{
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var property = sender.GetType().GetProperty(e.PropertyName);
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var attr = property.GetCustomAttributes(typeof(CanDoAttribute), true);
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if (attr != null && attr.Length != 0)
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{
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DoCommandManager.DoNewCommand(sender.ToString() + e.PropertyName, () => Do(sender, e.PropertyName, valuePropertyChangedEventArgs.NewValue), () => UnDo(sender, e.PropertyName, valuePropertyChangedEventArgs.OldValue), null, false);
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}
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}
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}
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private SelectionService selectionService;
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public SelectionService SelectionService
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[MediatorMessageSink("DoneDrawingMessage")]
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public void OnDoneDrawingMessage(bool dummy)
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{
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get
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foreach (var item in Items.OfType<DesignerItemViewModelBase>())
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{
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if (selectionService == null)
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selectionService = new SelectionService(this);
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return selectionService;
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item.ShowConnectors = false;
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}
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}
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@@ -728,8 +726,6 @@ namespace AIStudio.Wpf.DiagramDesigner
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{
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get; set;
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}
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public bool AddVerify(SelectableDesignerItemViewModelBase item)
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{
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if (item.InitData() == false)
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@@ -741,11 +737,11 @@ namespace AIStudio.Wpf.DiagramDesigner
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return true;
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}
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#region 新增,删除
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private void ExecuteCreateNewDiagramCommand(object parameter)
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{
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this.Items.Clear();
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}
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private void ExecuteDirectAddItemCommand(object parameter)
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{
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if (parameter is SelectableDesignerItemViewModelBase ite)
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@@ -766,7 +762,6 @@ namespace AIStudio.Wpf.DiagramDesigner
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}
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}
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}
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private void Add(SelectableDesignerItemViewModelBase item)
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{
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item.Root = this;
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@@ -791,7 +786,6 @@ namespace AIStudio.Wpf.DiagramDesigner
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Items.Add(item);
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item.IsSelected = true;
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}
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private void ExecuteAddItemCommand(object parameter)
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{
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if (parameter is SelectableDesignerItemViewModelBase ite)
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@@ -824,7 +818,6 @@ namespace AIStudio.Wpf.DiagramDesigner
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});
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}
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}
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private void ExecuteDirectRemoveItemCommand(object parameter)
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{
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if (parameter is SelectableDesignerItemViewModelBase ite)
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@@ -878,7 +871,6 @@ namespace AIStudio.Wpf.DiagramDesigner
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{
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ClearSelectedItems();
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}
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public void ClearSelectedItems()
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{
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foreach (var item in this.Items.ToList())
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@@ -886,6 +878,14 @@ namespace AIStudio.Wpf.DiagramDesigner
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item.IsSelected = false;
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}
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}
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private void ExecuteSelectAllCommand(object parameter)
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{
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foreach (var item in Items)
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{
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item.IsSelected = true;
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}
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}
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#endregion
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#region 布局
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private void ExecuteAlignTopCommand(object parameter)
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@@ -1079,7 +1079,7 @@ namespace AIStudio.Wpf.DiagramDesigner
|
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});
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}
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||||
}
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||||
#endregion
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||||
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||||
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private void ExecuteBringForwardCommand(object parameter)
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{
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@@ -1316,7 +1316,6 @@ namespace AIStudio.Wpf.DiagramDesigner
|
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});
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}
|
||||
}
|
||||
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private void ExecuteDistributeVerticalCommand(object parameter)
|
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{
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var selectedItems = from item in this.SelectedItems.OfType<DesignerItemViewModelBase>()
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@@ -1373,15 +1372,9 @@ namespace AIStudio.Wpf.DiagramDesigner
|
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});
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
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private void ExecuteSelectAllCommand(object parameter)
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{
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foreach (var item in Items)
|
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{
|
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item.IsSelected = true;
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}
|
||||
}
|
||||
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||||
#region 复制，粘贴
|
||||
private void ExecuteCopyCommand(object parameter)
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||||
{
|
||||
List<DesignerItemViewModelBase> selectedDesignerItems =
|
||||
@@ -1413,8 +1406,8 @@ namespace AIStudio.Wpf.DiagramDesigner
|
||||
|
||||
string json = new SerializableObject
|
||||
{
|
||||
DesignerItems = selectedDesignerItems.Select(p => p.ToSerializabObject()).Where(p => p != null).ToList(),
|
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Connections = selectedConnections.Select(p => p.ToSerializabObject()).Where(p => p != null).ToList(),
|
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DesignerItems = selectedDesignerItems.Select(p => p.ToSerializableItem("json")).Where(p => p != null).ToList(),
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Connections = selectedConnections.Select(p => p.ToSerializableItem("json")).Where(p => p != null).ToList(),
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}.ToJson();
|
||||
|
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OffsetX = 10;
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@@ -1436,7 +1429,6 @@ namespace AIStudio.Wpf.DiagramDesigner
|
||||
List<SelectableDesignerItemViewModelBase> items = new List<SelectableDesignerItemViewModelBase>();
|
||||
SerializableObject copyitem = JsonConvert.DeserializeObject<SerializableObject>(clipboardData);
|
||||
|
||||
|
||||
Dictionary<Guid, Guid> mappingOldToNewIDs = new Dictionary<Guid, Guid>();
|
||||
|
||||
foreach (var diagramItemData in copyitem.DesignerItems)
|
||||
@@ -1445,7 +1437,7 @@ namespace AIStudio.Wpf.DiagramDesigner
|
||||
|
||||
Type type = TypeHelper.GetType(diagramItemData.TypeName);
|
||||
|
||||
DesignerItemViewModelBase itemBase = (DesignerItemViewModelBase)Activator.CreateInstance(type, this, diagramItemData.ObjectJson);
|
||||
DesignerItemViewModelBase itemBase = Activator.CreateInstance(type, this, diagramItemData.SerializableString, "json") as DesignerItemViewModelBase;
|
||||
Guid newID = Guid.NewGuid();
|
||||
mappingOldToNewIDs.Add(itemBase.Id, newID);
|
||||
itemBase.Id = newID;
|
||||
@@ -1467,7 +1459,7 @@ namespace AIStudio.Wpf.DiagramDesigner
|
||||
List<SelectableDesignerItemViewModelBase> connectors = new List<SelectableDesignerItemViewModelBase>();
|
||||
foreach (var connection in copyitem.Connections)
|
||||
{
|
||||
var connectionItem = JsonConvert.DeserializeObject<ConnectionItem>(connection.ObjectJson);
|
||||
var connectionItem = JsonConvert.DeserializeObject<ConnectionItem>(connection.SerializableString);
|
||||
Guid newID = Guid.NewGuid();
|
||||
mappingOldToNewIDs.Add(connectionItem.Id, newID);
|
||||
|
||||
@@ -1549,7 +1541,6 @@ namespace AIStudio.Wpf.DiagramDesigner
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
private void ExecuteCutCommand(object parameter)
|
||||
{
|
||||
ExecutePasteCommand(null);
|
||||
@@ -1580,7 +1571,9 @@ namespace AIStudio.Wpf.DiagramDesigner
|
||||
|
||||
RemoveItemCommand.Execute(itemsToRemove);
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region 移动
|
||||
private void ExecuteLeftMoveCommand(object parameter)
|
||||
{
|
||||
foreach (var item in SelectedItems.OfType<DesignerItemViewModelBase>())
|
||||
@@ -1622,6 +1615,20 @@ namespace AIStudio.Wpf.DiagramDesigner
|
||||
}
|
||||
}
|
||||
|
||||
public void UpdateZIndex()
|
||||
{
|
||||
List<SelectableDesignerItemViewModelBase> ordered = Items.OrderBy(p => p.ZIndex).ToList();
|
||||
|
||||
|
||||
for (int i = 0; i < ordered.Count; i++)
|
||||
{
|
||||
ordered[i].ZIndex = i;
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region 大小
|
||||
|
||||
private void ExecuteSameSizeCommand(object parameter)
|
||||
{
|
||||
if (parameter is DesignerItemViewModelBase designerItem)
|
||||
@@ -1667,6 +1674,9 @@ namespace AIStudio.Wpf.DiagramDesigner
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region 分组
|
||||
private void ExecuteGroupCommand(object parameter)
|
||||
{
|
||||
var items = from item in SelectedItems.OfType<DesignerItemViewModelBase>()
|
||||
@@ -1713,6 +1723,15 @@ namespace AIStudio.Wpf.DiagramDesigner
|
||||
}
|
||||
}
|
||||
|
||||
public bool BelongToSameGroup(IGroupable item1, IGroupable item2)
|
||||
{
|
||||
IGroupable root1 = SelectionService.GetGroupRoot(item1);
|
||||
IGroupable root2 = SelectionService.GetGroupRoot(item2);
|
||||
|
||||
return (root1.Id == root2.Id);
|
||||
}
|
||||
#endregion
|
||||
|
||||
private void ExecuteLockCommand(object parameter)
|
||||
{
|
||||
|
||||
@@ -1722,25 +1741,10 @@ namespace AIStudio.Wpf.DiagramDesigner
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
public bool BelongToSameGroup(IGroupable item1, IGroupable item2)
|
||||
{
|
||||
IGroupable root1 = SelectionService.GetGroupRoot(item1);
|
||||
IGroupable root2 = SelectionService.GetGroupRoot(item2);
|
||||
|
||||
return (root1.Id == root2.Id);
|
||||
}
|
||||
|
||||
public void UpdateZIndex()
|
||||
{
|
||||
List<SelectableDesignerItemViewModelBase> ordered = Items.OrderBy(p => p.ZIndex).ToList();
|
||||
|
||||
|
||||
|
||||
|
||||
for (int i = 0; i < ordered.Count; i++)
|
||||
{
|
||||
ordered[i].ZIndex = i;
|
||||
}
|
||||
}
|
||||
|
||||
public RectangleBase GetBoundingRectangle(IEnumerable<DesignerItemViewModelBase> items)
|
||||
{
|
||||
|
||||
Reference in New Issue
Block a user
