// For changing the current state of the diagram. public MoveShapeCommand(ClassBoxViewModel _classBox, double _offsetX, double _offsetY) { classBox = _classBox; offsetX = _offsetX; offsetY = _offsetY; }
object IEditor.SaveClassControls(StackPanel control, string name, Type type, object[] attributes, bool isWindow) { int controlIndex = 0; bool subGroup = DefaultSubgroup; if (ReflectionExt.FindAttribute <SepGroupAttribute>(attributes) != null) { subGroup = false; } if (ReflectionExt.FindAttribute <SubGroupAttribute>(attributes) != null) { subGroup = true; } if (isWindow) { subGroup = true; } if (!subGroup) { controlIndex++; ClassBox cbxValue = (ClassBox)control.Children[controlIndex]; ClassBoxViewModel mv = (ClassBoxViewModel)cbxValue.DataContext; return(mv.Object); } else { Type[] children; if (DefaultType) { children = new Type[1] { type } } ; else { children = type.GetAssignableTypes(); } //need to create a new instance //note: considerations must be made when dealing with inheritance/polymorphism //eg: check to see if there are children of the type, //and if so, do this instead: //get the combobox index determining the type //instantiate the type //get the panel for the index //save using THAT panel bool includeDecoration = DefaultDecoration; if (isWindow) { includeDecoration = false; } if (children.Length == 1) { StackPanel chosenParent = control; if (includeDecoration) { controlIndex++; Border border = (Border)control.Children[controlIndex]; chosenParent = (StackPanel)border.Child; } return(DataEditor.SaveWindowControls(chosenParent, name, children[0], attributes)); } else { StackPanel chosenParent = null; if (includeDecoration) { controlIndex++; } Grid subGrid = (Grid)control.Children[controlIndex]; ComboBox cbValue = (ComboBox)subGrid.Children[1]; controlIndex++; if (includeDecoration) { Border border = (Border)control.Children[controlIndex]; chosenParent = (StackPanel)border.Child; } else { chosenParent = (StackPanel)control.Children[controlIndex]; } return(DataEditor.SaveWindowControls(chosenParent, name, children[cbValue.SelectedIndex], attributes)); } } }
// For changing the current state of the diagram. public AddClassBoxCommand(ObservableCollection <ClassBoxViewModel> classBoxes, ClassBoxViewModel classBox) { this.classBoxes = classBoxes; this.classBox = classBox; }
void IEditor.LoadClassControls(StackPanel control, string parent, string name, Type type, object[] attributes, object member, bool isWindow) { //if you want a class that is by default isolated to a classbox but has a custom UI when opened on its own/overridden to render, //override LoadWindowControls, which is called by those methods. //in all cases where the class itself isn't being rendered to the window, simply represent as an editable object //isWindow will force subgroup automatically //otherwise, the presence of a Subgroup attribute will force it (or the presence of a Separation attribute will force it into its own classbox) //then defaultSubgroup will force it. bool subGroup = DefaultSubgroup; if (ReflectionExt.FindAttribute <SepGroupAttribute>(attributes) != null) { subGroup = false; } if (ReflectionExt.FindAttribute <SubGroupAttribute>(attributes) != null) { subGroup = true; } if (isWindow) { subGroup = true; } if (!subGroup) { LoadLabelControl(control, name); if (member == null) { Type[] children; if (DefaultType) { children = new Type[1] { type } } ; else { children = type.GetAssignableTypes(); } //create an empty instance member = ReflectionExt.CreateMinimalInstance(children[0]); } ClassBox cbxValue = new ClassBox(); MultilineAttribute attribute = ReflectionExt.FindAttribute <MultilineAttribute>(attributes); if (attribute != null) { //txtValue.Multiline = true; cbxValue.Height = 80; //txtValue.Size = new Size(0, 80); } //else // txtValue.Size = new Size(0, 20); ClassBoxViewModel mv = new ClassBoxViewModel(new StringConv(type, ReflectionExt.GetPassableAttributes(0, attributes))); mv.LoadFromSource(member); cbxValue.DataContext = mv; control.Children.Add(cbxValue); //add lambda expression for editing a single element mv.OnEditItem += (object element, ClassBoxViewModel.EditElementOp op) => { DataEditForm frmData = new DataEditForm(); frmData.Title = DataEditor.GetWindowTitle(parent, name, element, type, ReflectionExt.GetPassableAttributes(0, attributes)); DataEditor.LoadClassControls(frmData.ControlPanel, parent, name, type, ReflectionExt.GetPassableAttributes(0, attributes), element, true); frmData.SelectedOKEvent += () => { element = DataEditor.SaveClassControls(frmData.ControlPanel, name, type, ReflectionExt.GetPassableAttributes(0, attributes), true); op(element); frmData.Close(); }; frmData.SelectedCancelEvent += () => { frmData.Close(); }; control.GetOwningForm().RegisterChild(frmData); frmData.Show(); }; { ContextMenu copyPasteStrip = new ContextMenu(); MenuItem copyToolStripMenuItem = new MenuItem(); MenuItem pasteToolStripMenuItem = new MenuItem(); Avalonia.Collections.AvaloniaList <object> list = (Avalonia.Collections.AvaloniaList <object>)copyPasteStrip.Items; list.AddRange(new MenuItem[] { copyToolStripMenuItem, pasteToolStripMenuItem }); copyToolStripMenuItem.Header = "Copy " + type.Name; pasteToolStripMenuItem.Header = "Paste " + type.Name; copyToolStripMenuItem.Click += (object copySender, RoutedEventArgs copyE) => { DataEditor.SetClipboardObj(mv.Object); }; pasteToolStripMenuItem.Click += async(object copySender, RoutedEventArgs copyE) => { Type type1 = DataEditor.clipboardObj.GetType(); Type type2 = type; if (type2.IsAssignableFrom(type1)) { mv.LoadFromSource(DataEditor.clipboardObj); } else { await MessageBox.Show(control.GetOwningForm(), String.Format("Incompatible types:\n{0}\n{1}", type1.AssemblyQualifiedName, type2.AssemblyQualifiedName), "Invalid Operation", MessageBox.MessageBoxButtons.Ok); } }; control.ContextMenu = copyPasteStrip; } } else { //when being drawn as a subgroup, we have 2 options: //(A) include a label and border, OR //(B) add controls directly to the current stackpanel? //additionally, there will be complications when the Type for a member has child classes //in this case, (A) choosing to have a label and border will result in label over the type dropdown, and border in the chosen class //(B) choosing not to have a label and border will remove the label, but still have a dropdown and contain it a child stackpanel, without border or margin //when isWindow is true, we never want option A. No label, no border, no margin //when isWindow is false, (which means either subgroup or defaultsubgroup is active) it's up to the editor itself to decide bool includeDecoration = DefaultDecoration; if (isWindow) { includeDecoration = false; } //if it's a class of its own, create a new panel //then pass it into the call //use the returned "ref" int to determine how big the panel should be //continue from there Type[] children; if (DefaultType) { children = new Type[1] { type } } ; else { children = type.GetAssignableTypes(); } //handle null members by getting an instance of the FIRST instantiatable subclass (including itself) it can find if (member == null) { member = ReflectionExt.CreateMinimalInstance(children[0]); } if (children.Length < 1) { throw new Exception("Completely abstract field found for: " + name); } else if (children.Length == 1) { Type memberType = member.GetType(); if (children[0] != memberType) { throw new TargetException("Types do not match."); } StackPanel controlParent = control; if (includeDecoration) { LoadLabelControl(control, name); Border border = new Border(); border.BorderThickness = new Thickness(1); border.BorderBrush = Avalonia.Media.Brushes.LightGray; border.Margin = new Thickness(2); control.Children.Add(border); StackPanel groupBoxPanel = new StackPanel(); groupBoxPanel.Margin = new Thickness(2); border.Child = groupBoxPanel; controlParent = groupBoxPanel; } { ContextMenu copyPasteStrip = new ContextMenu(); MenuItem copyToolStripMenuItem = new MenuItem(); MenuItem pasteToolStripMenuItem = new MenuItem(); Avalonia.Collections.AvaloniaList <object> list = (Avalonia.Collections.AvaloniaList <object>)copyPasteStrip.Items; list.AddRange(new MenuItem[] { copyToolStripMenuItem, pasteToolStripMenuItem }); copyToolStripMenuItem.Header = "Copy " + type.Name; pasteToolStripMenuItem.Header = "Paste " + type.Name; copyToolStripMenuItem.Click += (object copySender, RoutedEventArgs copyE) => { object obj = DataEditor.SaveWindowControls(controlParent, name, children[0], attributes); DataEditor.SetClipboardObj(obj); }; pasteToolStripMenuItem.Click += async(object copySender, RoutedEventArgs copyE) => { Type type1 = DataEditor.clipboardObj.GetType(); Type type2 = type; if (type2.IsAssignableFrom(type1)) { controlParent.Children.Clear(); DataEditor.LoadWindowControls(controlParent, parent, name, type1, attributes, DataEditor.clipboardObj); } else { await MessageBox.Show(control.GetOwningForm(), String.Format("Incompatible types:\n{0}\n{1}", type1.AssemblyQualifiedName, type2.AssemblyQualifiedName), "Invalid Operation", MessageBox.MessageBoxButtons.Ok); } }; control.ContextMenu = copyPasteStrip; } controlParent.Background = Avalonia.Media.Brushes.Transparent; DataEditor.LoadWindowControls(controlParent, parent, name, children[0], attributes, member); } else { //note: considerations must be made when dealing with inheritance/polymorphism //eg: find all children in this assembly that can be instantiated, //add them to different panels //show the one that is active right now //include a combobox for switching children StackPanel controlParent = null; if (includeDecoration) { LoadLabelControl(control, name); } Grid sharedRowPanel = getSharedRowPanel(2); TextBlock lblType = new TextBlock(); lblType.Text = "Type:"; lblType.VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center; sharedRowPanel.Children.Add(lblType); sharedRowPanel.ColumnDefinitions[0].Width = new GridLength(30); lblType.SetValue(Grid.ColumnProperty, 0); ComboBox cbValue = new ComboBox(); cbValue.Margin = new Thickness(4, 0, 0, 0); cbValue.VirtualizationMode = ItemVirtualizationMode.Simple; sharedRowPanel.Children.Add(cbValue); cbValue.SetValue(Grid.ColumnProperty, 1); control.Children.Add(sharedRowPanel); if (includeDecoration) { Border border = new Border(); border.BorderThickness = new Thickness(1); border.BorderBrush = Avalonia.Media.Brushes.LightGray; border.Margin = new Thickness(2); control.Children.Add(border); StackPanel groupBoxPanel = new StackPanel(); groupBoxPanel.Margin = new Thickness(2); border.Child = groupBoxPanel; controlParent = groupBoxPanel; } else { StackPanel groupBoxPanel = new StackPanel(); control.Children.Add(groupBoxPanel); controlParent = groupBoxPanel; } List <CreateMethod> createMethods = new List <CreateMethod>(); bool refreshPanel = true; List <string> items = new List <string>(); int selection = -1; for (int ii = 0; ii < children.Length; ii++) { Type childType = children[ii]; items.Add(childType.GetDisplayName()); createMethods.Add(() => { if (refreshPanel) { controlParent.Children.Clear(); object emptyMember = ReflectionExt.CreateMinimalInstance(childType); DataEditor.LoadWindowControls(controlParent, parent, name, childType, attributes, emptyMember);//TODO: POTENTIAL INFINITE RECURSION? } }); if (childType == member.GetType()) { selection = ii; } } if (selection == -1) { throw new TargetException("Types do not match."); } var subject = new Subject <List <string> >(); cbValue.Bind(ComboBox.ItemsProperty, subject); subject.OnNext(items); cbValue.SelectedIndex = selection; cbValue.SelectionChanged += (object sender, SelectionChangedEventArgs e) => { createMethods[cbValue.SelectedIndex](); }; { ContextMenu copyPasteStrip = new ContextMenu(); MenuItem copyToolStripMenuItem = new MenuItem(); MenuItem pasteToolStripMenuItem = new MenuItem(); Avalonia.Collections.AvaloniaList <object> list = (Avalonia.Collections.AvaloniaList <object>)copyPasteStrip.Items; list.AddRange(new MenuItem[] { copyToolStripMenuItem, pasteToolStripMenuItem }); copyToolStripMenuItem.Header = "Copy " + type.Name; pasteToolStripMenuItem.Header = "Paste " + type.Name; copyToolStripMenuItem.Click += (object copySender, RoutedEventArgs copyE) => { object obj = DataEditor.SaveWindowControls(controlParent, name, children[cbValue.SelectedIndex], attributes); DataEditor.SetClipboardObj(obj); }; pasteToolStripMenuItem.Click += async(object copySender, RoutedEventArgs copyE) => { Type type1 = DataEditor.clipboardObj.GetType(); Type type2 = type; int type_idx = -1; for (int ii = 0; ii < children.Length; ii++) { if (children[ii] == type1) { type_idx = ii; break; } } if (type_idx > -1) { refreshPanel = false; cbValue.SelectedIndex = type_idx; refreshPanel = true; controlParent.Children.Clear(); DataEditor.LoadWindowControls(controlParent, parent, name, type1, attributes, DataEditor.clipboardObj); } else { await MessageBox.Show(control.GetOwningForm(), String.Format("Incompatible types:\n{0}\n{1}", type1.AssemblyQualifiedName, type2.AssemblyQualifiedName), "Invalid Operation", MessageBox.MessageBoxButtons.Ok); } }; control.ContextMenu = copyPasteStrip; } controlParent.Background = Avalonia.Media.Brushes.Transparent; DataEditor.LoadWindowControls(controlParent, parent, name, children[selection], attributes, member); } } }