Class CanvasUI
Displays and manage events of a given scenario
Responsible of undoing/redoing commands on the scenario
Events : The canvas subscribes to events coming for the layers it manages
Inheritance
Focusable
CanvasUI
Assembly: Xareus.Scenarios.Unity.Edition.dll
Syntax
[Serializable]
public class CanvasUI : VisualElement
Constructors
CanvasUI()
Declaration
Fields
MAX_ZOOM
Declaration
public static readonly float MAX_ZOOM
Field Value
MIN_ZOOM
Declaration
public static readonly float MIN_ZOOM
Field Value
grid
Declaration
public BackgroundGrid grid
Field Value
Properties
ArcSourceNode
Declaration
public NodeUI ArcSourceNode { get; }
Property Value
CanvasTexture
Declaration
public Texture2D CanvasTexture { get; }
Property Value
CurrentLayer
Declaration
public LayerUI CurrentLayer { get; }
Property Value
IsCreatingArc
Indicates if the canvas is currently in the process of building an arc
Declaration
public bool IsCreatingArc { get; }
Property Value
IsPlaying
Is the canvas displaying a scenario that is currently playing ?
Declaration
public bool IsPlaying { get; }
Property Value
LayerIds
Declaration
public List<string> LayerIds { get; }
Property Value
MousePosition
Access to the last known mouse position.
This is necessary because during some events, the mouse position in the current event is wrong
Declaration
public Vector2 MousePosition { get; set; }
Property Value
Played
Declaration
public bool Played { get; set; }
Property Value
Position
Declaration
public Vector2 Position { get; set; }
Property Value
ScenarioId
Declaration
public string ScenarioId { get; }
Property Value
ScenarioTabHandler
Declaration
public ScenarioTabHandler ScenarioTabHandler { get; }
Property Value
ScenarioWrapper
Access to the scenario within the canvas
Declaration
public ScenarioWrapper ScenarioWrapper { get; set; }
Property Value
SelectedUIElements
Access to canvas current selection. This can include the temporary selection being performed
Declaration
public List<AClickableElementUI> SelectedUIElements { get; set; }
Property Value
Zoom
Declaration
public float Zoom { get; set; }
Property Value
Methods
AddLayer(string)
Adds a layer to the current list
Declaration
public void AddLayer(string id)
Parameters
| Type |
Name |
Description |
| string |
id |
|
AddToSelection(AClickableElementUI, bool)
Select the given GUI element
Declaration
protected void AddToSelection(AClickableElementUI elementUI, bool temporary = false)
Parameters
BusinessToViewCoordinates(Vector2)
Converts coordinates from the business to the view.
Business coordinates are the value stored within the XML.
View coordinates are values displayed within the canvas. They depend on zoom and canvas position.
Declaration
public Vector2 BusinessToViewCoordinates(Vector2 businessCoordinates)
Parameters
| Type |
Name |
Description |
| Vector2 |
businessCoordinates |
|
Returns
CheckNodesVisibility()
Declaration
protected void CheckNodesVisibility()
ComputeClosestNodePosition()
Declaration
public Vector2 ComputeClosestNodePosition()
Returns
ComputeNodesCenterOfGravity()
Computes and returns the position of the center of gravity of the current layer.
Declaration
public Vector2 ComputeNodesCenterOfGravity()
Returns
| Type |
Description |
| Vector2 |
Vector2 of the coordinates of the center of gravity of the current layer.
|
ConvertFromSystem(Vector2, Vector2, float)
Converts coordinates from another system.
It removes offset and zoom from the source.
Declaration
public static Vector2 ConvertFromSystem(Vector2 source, Vector2 offset, float zoom)
Parameters
Returns
ConvertToSystem(Vector2, Vector2, float)
Converts coordinates to another system.
It adds an offset and a zoom to the source.
Declaration
public static Vector2 ConvertToSystem(Vector2 source, Vector2 offset, float zoom)
Parameters
Returns
CopySelectedNodesToClipboard()
Copy the selected nodes data into the system clipboard
Declaration
public bool CopySelectedNodesToClipboard()
Returns
CreateArcPreview(ArcStartedEvent)
Declaration
public void CreateArcPreview(ArcStartedEvent args)
Parameters
Delete(AClickableElementUI)
Delete all selected nodes
Declaration
protected void Delete(AClickableElementUI elementUI)
Parameters
DeleteSelected()
Delete all selected nodes
Declaration
public void DeleteSelected()
Deselect(AClickableElementUI, bool)
Deselect the given GUI Element
Declaration
protected void Deselect(AClickableElementUI elementUI, bool temporary = false)
Parameters
DeselectAll()
Deselect everything in the canvas
Declaration
public void DeselectAll()
DuplicateSelectedNodes(Vector2)
Duplicate the selected nodes
Declaration
public bool DuplicateSelectedNodes(Vector2 duplicatePosition)
Parameters
| Type |
Name |
Description |
| Vector2 |
duplicatePosition |
|
Returns
GetLayer(string)
Get the layer from the local cache.
Creates it if absent
Declaration
public LayerUI GetLayer(string id)
Parameters
| Type |
Name |
Description |
| string |
id |
|
Returns
HandleElementsUISelection(IEnumerable<AClickableElementUI>, bool)
Select the given UI Elements
Declaration
protected void HandleElementsUISelection(IEnumerable<AClickableElementUI> uiElements, bool temporary = false)
Parameters
InvertElementUISelection(AClickableElementUI, bool)
Invert the given UI Element selection state
Declaration
protected void InvertElementUISelection(AClickableElementUI elementUI, bool temporary = false)
Parameters
InvertElementsUISelection(IEnumerable<AClickableElementUI>, bool)
Invert the given UI Elements selection state
Declaration
protected void InvertElementsUISelection(IEnumerable<AClickableElementUI> elementsUI, bool temporary = false)
Parameters
MoveSelection(Vector2)
Declaration
public void MoveSelection(Vector2 mouseDelta)
Parameters
| Type |
Name |
Description |
| Vector2 |
mouseDelta |
|
OnExecuteCommand(ExecuteCommandEvent)
Declaration
protected void OnExecuteCommand(ExecuteCommandEvent evt)
Parameters
OnKeyDown(KeyDownEvent)
Declaration
protected void OnKeyDown(KeyDownEvent evt)
Parameters
| Type |
Name |
Description |
| KeyDownEvent |
evt |
|
OnValidateCommand(ValidateCommandEvent)
Declaration
protected void OnValidateCommand(ValidateCommandEvent evt)
Parameters
PasteFromClipboard(Vector2)
Try to past the data from the system clipboard
Declaration
public bool PasteFromClipboard(Vector2 position)
Parameters
| Type |
Name |
Description |
| Vector2 |
position |
|
Returns
Reload()
Declaration
RemoveLastLayer()
Remove the last layer if possible
Declaration
public void RemoveLastLayer()
Reselect()
Redo the selection to resend the events
Declaration
ResetArcPreview()
Declaration
public void ResetArcPreview()
SelectElementUI(AClickableElementUI)
Select the given UI Element
Declaration
protected void SelectElementUI(AClickableElementUI elementUI)
Parameters
SelectElementsUI(IEnumerable<AClickableElementUI>, bool)
Select the given UI Element
Declaration
protected void SelectElementsUI(IEnumerable<AClickableElementUI> elementsUi, bool additive = false)
Parameters
SelectMovableUIElements(IEnumerable<string>, bool)
Select the given MovableUIElements
Declaration
protected void SelectMovableUIElements(IEnumerable<string> movableIds, bool additive = false)
Parameters
SelectParentLayer()
Declaration
public void SelectParentLayer()
Serialize(IEnumerable<NodeUI>)
Declaration
public static string Serialize(IEnumerable<NodeUI> nodes)
Parameters
Returns
StopPlaying()
Declaration
public void StopPlaying()
Update()
Declaration
ViewToBusinessCoordinates(Vector2)
Converts coordinates from the view to the business.
View coordinates are values displayed within the canvas. They depend on zoom and canvas position.
Business coordinates are the value stored within the XML.
Declaration
public Vector2 ViewToBusinessCoordinates(Vector2 viewCoordinates)
Parameters
| Type |
Name |
Description |
| Vector2 |
viewCoordinates |
|
Returns
Events
ArcCreated
Signal emitted when an arc is created
Declaration
public event EventHandler<ArcCreatedEvent> ArcCreated
Event Type
ComplexSequenceDoubleClicked
Signal emitted when a sub complex sequence is opened
Declaration
public event EventHandler<string> ComplexSequenceDoubleClicked
Event Type
DeselectedAll
Signal emitted when nothing is selected
Declaration
public event EventHandler<DeselectedEventArgs> DeselectedAll
Event Type
ExternalScenarioDoubleClicked
Signal emitted when an external scenario must be opened
Declaration
public event EventHandler<ExternalScenarioUI> ExternalScenarioDoubleClicked
Event Type
LayerChanged
Signal emitted when the current layer is changed
Declaration
public event EventHandler LayerChanged
Event Type
RemoveAllLayers
Signal emitted when all layers of the canvas must be removed
Declaration
public event EventHandler RemoveAllLayers
Event Type
ScenarioDataChanged
Signal emitted when a command is executed
Declaration
public event EventHandler<ScenarioDataChangedEventArgs> ScenarioDataChanged
Event Type
SelectionUpdated
Signal emitted when the UI Elements selection changed
Declaration
public event EventHandler<List<AClickableElementUI>> SelectionUpdated
Event Type