Class ElementDescriptor<T>

Namespace

NMF.Glsp.Language

Assembly

NMF.Glsp.dll

Denotes a descriptor for elements in the diagram

public abstract class ElementDescriptor<T> : DescriptorBase

Type Parameters

T

The semantic type of elements described by this descriptor

Inheritance

object

DescriptorBase

ElementDescriptor<T>

Derived

EdgeDescriptor<TTransition>

LabelDescriptor<T>

NodeDescriptor<T>

Inherited Members

DescriptorBase.D<T>()

DescriptorBase.DefineLayout()

DescriptorBase.CalculateTypeHints()

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Constructors

ElementDescriptor()

Creates a new instance

protected ElementDescriptor()

Properties

CanCreateElement

True, if an instance of this element type can be created, otherwise False

public virtual bool CanCreateElement { get; }

Property Value

bool

ElementTypeId

Gets the element type id for elements created by this descriptor

public string ElementTypeId { get; }

Property Value

string

Methods

CreateElement(string, object)

Creates a new element

public virtual T CreateElement(string profile, object parent)

Parameters

profile string

The profile for the created element

parent object

The semantic parent element

Returns

T

A new element

CreateGraph(object, IDiagram, ISkeletonTrace)

Creates the graph for the given semantic root element

protected override GGraph CreateGraph(object semanticRoot, IDiagram diagram, ISkeletonTrace trace)

Parameters

semanticRoot object

The semantic root element

diagram IDiagram

The notation diagram

trace ISkeletonTrace

A skeleton trace

Returns

GGraph

The Graph instance

CssClass(Expression<Func<T, string>>)

Sets the CSS class applicable to this element

protected void CssClass(Expression<Func<T, string>> selector)

Parameters

selector Expression<Func<T, string>>

A selector expression which CSS class is applicable

Remarks

This method is intended to be used inside of DefineLayout()

CssClass(string, Expression<Func<T, bool>>)

Sets the CSS classes applicable to this element

protected void CssClass(string cssClass, Expression<Func<T, bool>> guard = null)

Parameters

cssClass string

The CSS class

guard Expression<Func<T, bool>>

A guard predicate or null, if the CSS class should be assigned unconditionally

Remarks

This method is intended to be used inside of DefineLayout()

Forward(string, Expression<Func<T, object>>)

Forwards the given value to the generated GElement

protected void Forward(string key, Expression<Func<T, object>> selector)

Parameters

key string

The property key

selector Expression<Func<T, object>>

An expression calculating the actual value for the included property

Remarks

This method is intended to be used inside of DefineLayout()

Forward(string, object)

Forwards the given value to the generated GElement

protected void Forward(string key, object value)

Parameters

key string

The property key

value object

The value for the included property

Remarks

This method is intended to be used inside of DefineLayout()

GetElementName(T)

Calculates a human-readable name for the given element

public virtual string GetElementName(T element)

Parameters

element T

the element

Returns

string

A human-readable name

Operation(string, Action<T, IGlspSession>, string)

Defines an operation applicable for elements described by this instance

protected IChildSyntax Operation(string toolName, Action<T, IGlspSession> operation, string key = null)

Parameters

toolName string

The name of the tool

operation Action<T, IGlspSession>

The operation

key string

The key that should be used communicating the operation to the client

Returns

IChildSyntax

A syntax element to refine the operation

Remarks

The key must be unique across all operations. If it is null, a key is inferred from the tool name.

Operation(string, Func<T, IGlspSession, Task>, string)

Defines an operation applicable for elements described by this instance

protected IChildSyntax Operation(string toolName, Func<T, IGlspSession, Task> operation, string key = null)

Parameters

toolName string

The name of the tool

operation Func<T, IGlspSession, Task>

The operation

key string

The key that should be used communicating the operation to the client

Returns

IChildSyntax

A syntax element to refine the operation

Remarks

The key must be unique across all operations. If it is null, a key is inferred from the tool name.

Profile(string)

Declares a profile with a given name

protected void Profile(string profileName)

Parameters

profileName string

the name of the profile

Profile(string, Func<T>)

Declares a profile with a given name

protected void Profile(string profileName, Func<T> creator)

Parameters

profileName string

the name of the profile

creator Func<T>

A function used to create elements with this profile. If null, the default method CreateElement is used.

Refine<TOther>(ElementDescriptor<TOther>)

Refines the given other node descriptor

protected void Refine<TOther>(ElementDescriptor<TOther> other)

Parameters

other ElementDescriptor<TOther>

The refined node descriptor

Type Parameters

TOther

The semantic type of elements described by the other node descriptor

Remarks

This method is intended to be used inside of DefineLayout()

RenderPopup(T, Bounds)

Renders a popup

public virtual string RenderPopup(T element, Bounds dimension)

Parameters

element T

The element for which a popup should be rendered

dimension Bounds

The dimension of the popup

Returns

string

A HTML string rendering the popup

SelectionIncludes(Func<T, IEnumerable<IModelElement>>)

Specifies that when an element is selected, the selection should also include a collection of other model elements

protected void SelectionIncludes(Func<T, IEnumerable<IModelElement>> selector)

Parameters

selector Func<T, IEnumerable<IModelElement>>

A function that selects model elements that should also be selected

Remarks

This method is intended to be used inside of DefineLayout()

ToolLabel(string)

Gets the label used for the tool palette

public virtual string ToolLabel(string profile)

Parameters

profile string

The profile

Returns

string

The text used for tools

Type(string)

Sets the GLSP type created for this node

protected void Type(string type)

Parameters

type string

The type

Remarks

This method is intended to be used inside of DefineLayout()