Class GraphController

Main MVC controller. The view type is based on an interface in function of platform independence.

Inheritance
System.Object
GraphController
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Telerik.Windows.Diagrams.Core
Assembly: Telerik.WinControls.RadDiagram.dll

Syntax

public sealed class GraphController : IControllerService, ISerializable

Constructors

GraphController(IGraphInternal, IContainerGeneratorInternal)

Initializes a new instance of the GraphController class.

Declaration
public GraphController(IGraphInternal graph, IContainerGeneratorInternal containerGenerator)
Parameters
IGraphInternal graph

The graph internal.
IContainerGeneratorInternal containerGenerator

The container generator.

Properties

ServiceLocator

Gets the service locator.

Declaration
public ServiceLocator ServiceLocator { get; }
Property Value
ServiceLocator

Methods

ActivateTool(MouseTool)

Activates the tool.

Declaration
public void ActivateTool(MouseTool mouseTool)
Parameters
MouseTool mouseTool

The mouse tool.

AddConnection(IConnection, Boolean)

Adds the connection.

Declaration
public void AddConnection(IConnection connection, bool isUndoable = true)
Parameters
IConnection connection

The connection.
System.Boolean isUndoable

If set to true [is undoable].

AddShape(Object, Boolean)

Adds the shape.

Declaration
public IShape AddShape(object item, bool isUndoable = true)
Parameters
System.Object item

The item.
System.Boolean isUndoable

If set to true [is undoable].
Returns
IShape

Exceptions
System.ArgumentNullException

If the item is null.

AddShape(IShape, Boolean)

Adds the shape.

Declaration
public void AddShape(IShape shape, bool isUndoable = true)
Parameters
IShape shape

The shape.
System.Boolean isUndoable

If set to true [is undoable].

AlignShapes(Alignment, IEnumerable<IShape>)

Aligns the shapes to the most left/top/right/bottom edge defined by the selection bounds.

Declaration
public void AlignShapes(Alignment alignment, IEnumerable<IShape> shapes)
Parameters
Alignment alignment

Determines whether alignment should be calculated towards left/top/right/bottom edge.
System.Collections.Generic.IEnumerable<IShape> shapes

The shapes.

BringForward(IEnumerable<IDiagramItem>, Boolean)

Brings the selected items forward.

Declaration
public void BringForward(IEnumerable<IDiagramItem> items, bool isUndoable = true)
Parameters
System.Collections.Generic.IEnumerable<IDiagramItem> items

System.Boolean isUndoable

BringToFront(IEnumerable<IDiagramItem>, Boolean)

Brings the selected items to front.

Declaration
public void BringToFront(IEnumerable<IDiagramItem> items, bool isUndoable = true)
Parameters
System.Collections.Generic.IEnumerable<IDiagramItem> items

System.Boolean isUndoable

ChangeTool(String)

Changes the tool.

Declaration
public void ChangeTool(string toolName)
Parameters
System.String toolName

Label of the tool.

Clear(Boolean)

Clears the diagram and resets the document.

Declaration
public void Clear(bool isItemsCollectionChanging = false)
Parameters
System.Boolean isItemsCollectionChanging

Remarks

The diagram is not saved prior to this reset. You need to handle in the application the eventual necessity to save (or request the user) the diagram before this.

ClearConnections()

Clears the connections.

Declaration
public void ClearConnections()

ClearShapes()

Clears the shapes.

Declaration
public void ClearShapes()

Copy()

Creates a copy of the diagram in the clipboard.

Declaration
public string Copy()
Returns
System.String

CreateConnection(IShape, IShape, Boolean)

Creates the connection.

Declaration
public IConnection CreateConnection(IShape source, IShape target, bool isUndoable)
Parameters
IShape source

The source.
IShape target

The target.
System.Boolean isUndoable

If set to true [is undoable].
Returns
IConnection

CreateConnectionInGraphSource(IShape, IShape)

Creates the connection in graph source.

Declaration
public ILink CreateConnectionInGraphSource(IShape source, IShape target)
Parameters
IShape source

The source.
IShape target

The target.
Returns
ILink

CreateShapeInGraphSource(IShape)

Creates the shape in graph source.

Declaration
public object CreateShapeInGraphSource(IShape shape)
Parameters
IShape shape

The shape.
Returns
System.Object

CutItems()

Cuts the items.

Declaration
public string CutItems()
Returns
System.String

DeleteItems(IEnumerable<IDiagramItem>, Boolean)

Deletes the items.

Declaration
public void DeleteItems(IEnumerable<IDiagramItem> itemsToDelete, bool isUndoable)
Parameters
System.Collections.Generic.IEnumerable<IDiagramItem> itemsToDelete

The items to delete.
System.Boolean isUndoable

If set to true [is undoable].

DeselectItem(IDiagramItem)

Deselects a specific item.

Declaration
public void DeselectItem(IDiagramItem deselectedItem)
Parameters
IDiagramItem deselectedItem

Deserialize(SerializationInfo)

Deserializes the specified info.

Declaration
public void Deserialize(SerializationInfo info)
Parameters
SerializationInfo info

The info.
Implements

ForceRealization()

Forces the realization.

Declaration
public void ForceRealization()

Group(String, Boolean, IGroupable[])

Groups the selected shapes.

Declaration
public IGroup Group(string name = null, bool isUndoable = false, params IGroupable[] items)
Parameters
System.String name

The name.
System.Boolean isUndoable

If set to true the operation [is undoable].
IGroupable[] items

The items.
Returns
IGroup

IsInViewport(IDiagramItem)

Checks if the diagram item is in the viewport.

Declaration
public bool IsInViewport(IDiagramItem item)
Parameters
IDiagramItem item

Returns
System.Boolean

KeyDown(KeyArgs)

Called when key down event is fired.

Declaration
public bool KeyDown(KeyArgs e)
Parameters
KeyArgs e

The key args.
Returns
System.Boolean

KeyUp(KeyArgs)

Called when key up event is fired.

Declaration
public bool KeyUp(KeyArgs e)
Parameters
KeyArgs e

The key args.
Returns
System.Boolean

Layout(LayoutType, Object)

Organizes the diagram using the specified layout.

Declaration
public void Layout(LayoutType type = LayoutType.Sugiyama, object settings = null)
Parameters
LayoutType type

The layout type to apply.
System.Object settings

The settings specific to the layout type.
See Also

Load(String)

Loads the serialized diagram.

Declaration
public void Load(string serializationValue)
Parameters
System.String serializationValue

A string supposedly containing some XML representing a serialized diagram.

MergeItems(IEnumerable<IDiagramItem>, String, Boolean, Point, Size)

Merges the items in the diagram.

Declaration
public IEnumerable<IDiagramItem> MergeItems(IEnumerable<IDiagramItem> items, string originId, bool usePosition = false, Point position = default(Point), Size size = default(Size))
Parameters
System.Collections.Generic.IEnumerable<IDiagramItem> items

The items.
System.String originId

The origin id.
System.Boolean usePosition

If set to true the given position will be used.
Point position

The position.
Size size

The size.
Returns
System.Collections.Generic.IEnumerable<IDiagramItem>

MouseDoubleClick(PointerArgs)

Handles the mouse double click event.

Declaration
public void MouseDoubleClick(PointerArgs e)
Parameters
PointerArgs e

The e.

MouseDown(PointerArgs)

Called when the left mouse button is down.

Declaration
public void MouseDown(PointerArgs e)
Parameters
PointerArgs e

The e.

MouseMove(PointerArgs)

Called when the mouse moves.

Declaration
public void MouseMove(PointerArgs e)
Parameters
PointerArgs e

The e.

MouseUp(PointerArgs)

Called when the mouse left button is up.

Declaration
public bool MouseUp(PointerArgs e)
Parameters
PointerArgs e

The e.
Returns
System.Boolean

Nudge(Point)

Nudges (i.e. a small amount of translation) the selected items with the specified amount.

Declaration
public void Nudge(Point amount)
Parameters
Point amount

The amount defined as a point (vector).
Remarks

This is an undoable action and plugs into the same mechanism as the DraggingTool.

OnGraphSourceChanged(IGraphSource)

Called when graph source changes.

Declaration
public void OnGraphSourceChanged(IGraphSource source)
Parameters
IGraphSource source

The source.

OnItemsChanged(NotifyCollectionChangedEventArgs)

Called when Items collection changes.

Declaration
public void OnItemsChanged(NotifyCollectionChangedEventArgs e)
Parameters
System.Collections.Specialized.NotifyCollectionChangedEventArgs e

The System.Collections.Specialized.NotifyCollectionChangedEventArgs instance containing the event data.

OnViewportChanged()

Called when the bounds have changed.

Declaration
public void OnViewportChanged()

Paste(String)

Pastes a diagram, serialized in the clipboard.

Declaration
public IEnumerable<IDiagramItem> Paste(string pasteText)
Parameters
System.String pasteText

Returns
System.Collections.Generic.IEnumerable<IDiagramItem>

RemoveConnection(IConnection, Boolean)

Removes the connection.

Declaration
public void RemoveConnection(IConnection connection, bool isUndoable = false)
Parameters
IConnection connection

The connection.
System.Boolean isUndoable

If set to true [is undoable].

RemoveShape(IShape, Boolean)

Removes the shape from the diagram.

Declaration
public void RemoveShape(IShape shape, bool isUndoable = false)
Parameters
IShape shape

The shape to be removed.
System.Boolean isUndoable

If set to true the action will be recorded in the undo stack.

Save()

Returns the serialized diagram as an XML-string.

Declaration
public string Save()
Returns
System.String

SelectItem(IDiagramItem, Boolean)

Selects a specific item.

Declaration
public void SelectItem(IDiagramItem selectedItem, bool addToExistingSelection = false)
Parameters
IDiagramItem selectedItem

System.Boolean addToExistingSelection

SendBackward(IEnumerable<IDiagramItem>, Boolean)

Sends selected items backward.

Declaration
public void SendBackward(IEnumerable<IDiagramItem> itemsToSend, bool isUndoable = true)
Parameters
System.Collections.Generic.IEnumerable<IDiagramItem> itemsToSend

System.Boolean isUndoable

SendToBack(IEnumerable<IDiagramItem>, Boolean)

Sends selected items to back.

Declaration
public void SendToBack(IEnumerable<IDiagramItem> itemsToSend, bool isUndoable = true)
Parameters
System.Collections.Generic.IEnumerable<IDiagramItem> itemsToSend

System.Boolean isUndoable

Serialize()

Serializes this instance.

Declaration
public SerializationInfo Serialize()
Returns
SerializationInfo

Implements

SnapShapes(IEnumerable<IShape>)

Snaps the items based on the snap value. The action is enclosed in a undoable command and supports undo/redo.

Declaration
public void SnapShapes(IEnumerable<IShape> shapes)
Parameters
System.Collections.Generic.IEnumerable<IShape> shapes

Ungroup(Boolean, IGroup[])

Ungroups the specified items.

Declaration
public void Ungroup(bool isUndoable = false, params IGroup[] groups)
Parameters
System.Boolean isUndoable

IGroup[] groups

Explicit Interface Implementations

IControllerService.BeginConnectionCreation(IConnection)

Begins the connection creation.

Declaration
ICommand IControllerService.BeginConnectionCreation(IConnection connection)
Parameters
IConnection connection

The connection.
Returns
ICommand

Implements

IControllerService.BeginShapeCreation(IShape)

Begins the shape creation.

Declaration
ICommand IControllerService.BeginShapeCreation(IShape shape)
Parameters
IShape shape

The shape.
Returns
ICommand

Implements

IControllerService.CompleteConnectionCreation(IConnection)

Completes the connection creation.

Declaration
ICommand IControllerService.CompleteConnectionCreation(IConnection connection)
Parameters
IConnection connection

The connection.
Returns
ICommand

Implements

IControllerService.CompleteShapeCreation(IShape)

Completes the shape creation.

Declaration
ICommand IControllerService.CompleteShapeCreation(IShape shape)
Parameters
IShape shape

The shape.
Returns
ICommand

Implements

IControllerService.CreateConnection(IShape, IShape)

Creates the undoable connection.

Declaration
IConnection IControllerService.CreateConnection(IShape source, IShape target)
Parameters
IShape source

The source.
IShape target

The target.
Returns
IConnection

Implements

IControllerService.CreateConnection(Point, Point)

Creates the undoable connection.

Declaration
IConnection IControllerService.CreateConnection(Point startPoint, Point endPoint)
Parameters
Point startPoint

The start point.
Point endPoint

The end point.
Returns
IConnection

Implements

IControllerService.CreateGeometryShape(ref ICommand)

Creates an undoable geometry shape.

Declaration
IGeometryShape IControllerService.CreateGeometryShape(ref ICommand command)
Parameters
ICommand command

Returns
IGeometryShape

Implements

IControllerService.CreateTextShape()

Creates an undoable geometry shape.

Declaration
ITextShape IControllerService.CreateTextShape()
Returns
ITextShape

Implements

Extension Methods