/// <summary>
/// Method to find the next child of the selected node
/// </summary>
/// <param name="obj"></param>
private void OnNextChildCommand(object obj)
{
SelectorViewModel selectorvm = this.SelectedItems as SelectorViewModel;
if ((selectorvm.Nodes as ObservableCollection <object>).Count != 0)
{
CustomNode node = (selectorvm.Nodes as ObservableCollection <object>)[0] as CustomNode;
NodeCollection nodes = Nodes as NodeCollection;
for (int i = 0; i < nodes.Count; i++)
{
if (node == nodes[i])
{
for (int k = i + 1; k < nodes.Count; k++)
{
if ((nodes[i] as CustomNode).ParentId == (nodes[k] as CustomNode).ParentId)
{
nodes[i].IsSelected = false;
nodes[k].IsSelected = true;
break;
}
}
}
}
}
}
/// <summary>
/// Method to create Node
/// </summary>
/// <param name="offsetx"></param>
/// <param name="offsety"></param>
/// <param name="annotation"></param>
/// <param name="shapestyle"></param>
/// <param name="id"></param>
/// <param name="parentid"></param>
/// <returns></returns>
private CustomNode CreateNode(double offsetx, double offsety, string annotation, string shapestyle, string id, string parentid)
{
CustomNode node = new CustomNode()
{
OffsetX = offsetx,
OffsetY = offsety,
UnitHeight = 60,
UnitWidth = 60,
Id = id,
ParentId = parentid,
Shape = App.Current.Resources["Ellipse"],
Annotations = new ObservableCollection <TextAnnotationViewModel>()
{
new TextAnnotationViewModel()
{
Text = annotation,
},
}
};
if (shapestyle == "Red")
{
node.ThemeStyleId = StyleId.Moderate | StyleId.Accent6;
}
else if (shapestyle == "Yellow")
{
node.ThemeStyleId = StyleId.Moderate | StyleId.Accent7;
}
else if (shapestyle == "Green")
{
node.ThemeStyleId = StyleId.Intense | StyleId.Accent5;
}
else if (shapestyle == "Violet")
{
node.ThemeStyleId = StyleId.Intense | StyleId.Accent2;
}
return(node);
}
public KeyBoardInteractionDiagramVM()
{
#region Properties
Constraints = Constraints.Add(GraphConstraints.Undoable);
DefaultConnectorType = ConnectorType.Line;
PageSettings = new PageSettings()
{
PageBackground = new SolidColorBrush(Colors.Transparent),
PageBorderBrush = new SolidColorBrush(Colors.Transparent),
};
SelectedItems = new SelectorViewModel()
{
SelectorConstraints = SelectorConstraints.Default & ~SelectorConstraints.QuickCommands,
};
SnapSettings = new SnapSettings()
{
SnapConstraints = SnapConstraints.All,
SnapToObject = SnapToObject.All,
};
HorizontalRuler = new Ruler();
VerticalRuler = new Ruler()
{
Orientation = Orientation.Vertical,
};
Theme = new LinearTheme();
Theme.NodeStyles = (Theme as LinearTheme).VariantStyles[1];
#endregion
#region Nodes and Connectors Creation
CustomNode Node1 = CreateNode(550, 100, "A", "SkyBlue", "1", "");
CustomNode Node2 = CreateNode(450, 200, "B", "Red", "2", "1");
CustomNode Node3 = CreateNode(550, 200, "C", "Red", "3", "1");
CustomNode Node4 = CreateNode(650, 200, "D", "Red", "4", "1");
CustomNode Node5 = CreateNode(400, 300, "E", "Yellow", "5", "2");
CustomNode Node6 = CreateNode(500, 300, "F", "Yellow", "6", "2");
CustomNode Node7 = CreateNode(600, 300, "G", "Yellow", "7", "4");
CustomNode Node8 = CreateNode(700, 300, "H", "Yellow", "8", "4");
CustomNode Node9 = CreateNode(450, 400, "I", "Violet", "9", "6");
CustomNode Node10 = CreateNode(550, 400, "J", "Violet", "10", "6");
CustomNode Node11 = CreateNode(650, 400, "K", "Violet", "11", "8");
CustomNode Node12 = CreateNode(750, 400, "L", "Violet", "12", "8");
CustomNode Node13 = CreateNode(400, 500, "M", "Green", "13", "9");
CustomNode Node14 = CreateNode(500, 500, "N", "Green", "14", "9");
CustomNode Node15 = CreateNode(600, 500, "O", "Green", "15", "11");
CustomNode Node16 = CreateNode(700, 500, "P", "Green", "16", "11");
CustomNode Node17 = CreateNode(450, 600, "Q", "SkyBlue", "17", "14");
CustomNode Node18 = CreateNode(550, 600, "R", "SkyBlue", "18", "14");
CustomNode Node19 = CreateNode(650, 600, "S", "SkyBlue", "19", "16");
CustomNode Node20 = CreateNode(750, 600, "T", "SkyBlue", "20", "16");
(Nodes as NodeCollection).Add(Node1);
(Nodes as NodeCollection).Add(Node2);
(Nodes as NodeCollection).Add(Node3);
(Nodes as NodeCollection).Add(Node4);
(Nodes as NodeCollection).Add(Node5);
(Nodes as NodeCollection).Add(Node6);
(Nodes as NodeCollection).Add(Node7);
(Nodes as NodeCollection).Add(Node8);
(Nodes as NodeCollection).Add(Node9);
(Nodes as NodeCollection).Add(Node10);
(Nodes as NodeCollection).Add(Node11);
(Nodes as NodeCollection).Add(Node12);
(Nodes as NodeCollection).Add(Node13);
(Nodes as NodeCollection).Add(Node14);
(Nodes as NodeCollection).Add(Node15);
(Nodes as NodeCollection).Add(Node16);
(Nodes as NodeCollection).Add(Node17);
(Nodes as NodeCollection).Add(Node18);
(Nodes as NodeCollection).Add(Node19);
(Nodes as NodeCollection).Add(Node20);
CreateConnector(Node1, Node2);
CreateConnector(Node1, Node3);
CreateConnector(Node1, Node4);
CreateConnector(Node2, Node5);
CreateConnector(Node2, Node6);
CreateConnector(Node4, Node7);
CreateConnector(Node4, Node8);
CreateConnector(Node6, Node9);
CreateConnector(Node6, Node10);
CreateConnector(Node8, Node11);
CreateConnector(Node8, Node12);
CreateConnector(Node9, Node13);
CreateConnector(Node9, Node14);
CreateConnector(Node11, Node15);
CreateConnector(Node11, Node16);
CreateConnector(Node14, Node17);
CreateConnector(Node14, Node18);
CreateConnector(Node16, Node19);
CreateConnector(Node16, Node20);
#endregion
#region Commands and CommandManager
// Custom command and Modified Commands
CustomGroup = new Command(OnCustomGroupCommand);
CustomUngroup = new Command(OnCustomUngroupCommand);
ChildNode = new Command(OnChildNodeCommand);
ParentNode = new Command(OnParentNodeCommand);
NextChild = new Command(OnNextChildCommand);
PreviousChild = new Command(OnPreviousChildCommand);
CommandManager = new Syncfusion.UI.Xaml.Diagram.CommandManager();
(CommandManager as Syncfusion.UI.Xaml.Diagram.CommandManager).Commands = new CommandCollection();
(CommandManager.Commands as CommandCollection).Add
(
new GestureCommand()
{
Name = "CustomGroup",
Command = CustomGroup,
Gesture = new Gesture
{
KeyModifiers = ModifierKeys.Control,
KeyState = KeyStates.Down,
Key = System.Windows.Input.Key.G,
},
}
);
(CommandManager.Commands as CommandCollection).Add
(
new GestureCommand()
{
Name = "CustomUngroup",
Command = CustomUngroup,
Gesture = new Gesture
{
KeyModifiers = ModifierKeys.Control,
KeyState = KeyStates.Down,
Key = System.Windows.Input.Key.U,
},
}
);
(CommandManager.Commands as CommandCollection).Add
(
new GestureCommand()
{
Name = "ChildNode",
Command = ChildNode,
Gesture = new Gesture
{
KeyState = KeyStates.Down,
Key = System.Windows.Input.Key.Down,
},
}
);
(CommandManager.Commands as CommandCollection).Add
(
new GestureCommand()
{
Name = "ParentNode",
Command = ParentNode,
Gesture = new Gesture
{
KeyState = KeyStates.Down,
Key = System.Windows.Input.Key.Up,
},
}
);
(CommandManager.Commands as CommandCollection).Add
(
new GestureCommand()
{
Name = "NextChild",
Command = NextChild,
Gesture = new Gesture
{
KeyState = KeyStates.Down,
Key = System.Windows.Input.Key.Right,
},
}
);
(CommandManager.Commands as CommandCollection).Add
(
new GestureCommand()
{
Name = "PreviousChild",
Command = PreviousChild,
Gesture = new Gesture
{
KeyState = KeyStates.Down,
Key = System.Windows.Input.Key.Left,
},
}
);
#endregion
}