/// <summary>
/// Opens or creates a document at the given URI. Create an AdaptableControl with control adapters for viewing state machine.
/// Handles application data persistence.</summary>
/// <param name="uri">Document URI</param>
/// <returns>Document, or null if the document couldn't be opened or created</returns>
public IDocument Open(Uri uri)
{
DomNode node = null;
string filePath = uri.LocalPath;
string fileName = Path.GetFileName(filePath);
if (File.Exists(filePath))
{
// read existing document using standard XML reader
using (FileStream stream = new FileStream(filePath, FileMode.Open, FileAccess.Read))
{
DomXmlReader reader = new DomXmlReader(m_schemaLoader);
node = reader.Read(stream, uri);
}
}
else
{
// create new document by creating a Dom node of the root type defined by the schema
node = new DomNode(Schema.fsmType.Type, Schema.fsmRootElement);
// create an empty root prototype folder
node.SetChild(
Schema.fsmType.prototypeFolderChild,
new DomNode(Schema.prototypeFolderType.Type));
}
Document document = null;
if (node != null)
{
// set up the AdaptableControl for editing FSMs
var control = new D2dAdaptableControl();
control.SuspendLayout();
control.BackColor = SystemColors.ControlLight;
control.AllowDrop = true;
var transformAdapter = new TransformAdapter(); // required by several of the other adapters
transformAdapter.UniformScale = true;
transformAdapter.MinScale = new PointF(0.25f, 0.25f);
transformAdapter.MaxScale = new PointF(4, 4);
var viewingAdapter = new ViewingAdapter(transformAdapter); // implements IViewingContext for framing or ensuring that items are visible
var canvasAdapter = new CanvasAdapter(); // implements a bounded canvas to limit scrolling
var autoTranslateAdapter = // implements auto translate when the user drags out of control's client area
new AutoTranslateAdapter(transformAdapter);
var mouseTransformManipulator = // implements mouse drag translate and scale
new MouseTransformManipulator(transformAdapter);
var mouseWheelManipulator = // implements mouse wheel scale
new MouseWheelManipulator(transformAdapter);
var scrollbarAdapter = // adds scroll bars to control, driven by canvas and transform
new ScrollbarAdapter(transformAdapter, canvasAdapter);
var hoverAdapter = new HoverAdapter(); // add hover events over pickable items
hoverAdapter.HoverStarted += control_HoverStarted;
hoverAdapter.HoverStopped += control_HoverStopped;
var annotationAdaptor = new D2dAnnotationAdapter(m_theme); // display annotations under diagram
var fsmAdapter = // adapt control to allow binding to graph data
new D2dGraphAdapter<State, Transition, NumberedRoute>(m_fsmRenderer, transformAdapter);
var fsmStateEditAdapter = // adapt control to allow state editing
new D2dGraphNodeEditAdapter<State, Transition, NumberedRoute>(m_fsmRenderer, fsmAdapter, transformAdapter);
var fsmTransitionEditAdapter = // adapt control to allow transition
new D2dGraphEdgeEditAdapter<State, Transition, NumberedRoute>(m_fsmRenderer, fsmAdapter, transformAdapter);
var mouseLayoutManipulator = new MouseLayoutManipulator(transformAdapter);
// apply adapters to control; ordering is from back to front, that is, the first adapter
// will be conceptually underneath all the others. Mouse and keyboard events are fed to
// the adapters in the reverse order, so it all makes sense to the user.
control.Adapt(
hoverAdapter,
scrollbarAdapter,
autoTranslateAdapter,
new RectangleDragSelector(),
transformAdapter,
viewingAdapter,
canvasAdapter,
mouseTransformManipulator,
mouseWheelManipulator,
new KeyboardGraphNavigator<State, Transition, NumberedRoute>(),
//new GridAdapter(),
annotationAdaptor,
fsmAdapter,
fsmStateEditAdapter,
fsmTransitionEditAdapter,
new LabelEditAdapter(),
new SelectionAdapter(),
mouseLayoutManipulator,
new DragDropAdapter(m_statusService),
new ContextMenuAdapter(m_commandService, m_contextMenuCommandProviders)
);
control.ResumeLayout();
// associate the control with the viewing context; other adapters use this
// adapter for viewing, layout and calculating bounds.
ViewingContext viewingContext = node.Cast<ViewingContext>();
viewingContext.Control = control;
// set document URI
document = node.As<Document>();
ControlInfo controlInfo = new ControlInfo(fileName, filePath, StandardControlGroup.Center);
//Set IsDocument to true to prevent exception in command service if two files with the
// same name, but in different directories, are opened.
controlInfo.IsDocument = true;
document.ControlInfo = controlInfo;
document.Uri = uri;
// now that the data is complete, initialize the rest of the extensions to the Dom data;
// this is needed for adapters such as validators, which may not be referenced anywhere
// but still need to be initialized.
node.InitializeExtensions();
// set control's context to main editing context
EditingContext editingContext = node.Cast<EditingContext>();
control.Context = editingContext;
// show the FSM control
m_controlHostService.RegisterControl(control, controlInfo, this);
}
return document;
}
internal D2dAdaptableControl CreateCircuitControl(DomNode circuitNode)
{
var control = new D2dAdaptableControl();
control.SuspendLayout();
control.BackColor = SystemColors.ControlLight;
control.AllowDrop = true;
var transformAdapter = new TransformAdapter();
transformAdapter.EnforceConstraints = false; //to allow the canvas to be panned to view negative coordinates
transformAdapter.UniformScale = true;
transformAdapter.MinScale = new PointF(0.25f, 0.25f);
transformAdapter.MaxScale = new PointF(4, 4);
var viewingAdapter = new ViewingAdapter(transformAdapter);
viewingAdapter.MarginSize = new Size(25, 25);
var canvasAdapter = new CanvasAdapter();
((ILayoutConstraint)canvasAdapter).Enabled = false; //to allow negative coordinates for circuit elements within groups
var autoTranslateAdapter = new AutoTranslateAdapter(transformAdapter);
var mouseTransformManipulator = new MouseTransformManipulator(transformAdapter);
var mouseWheelManipulator = new MouseWheelManipulator(transformAdapter);
var scrollbarAdapter = new ScrollbarAdapter(transformAdapter, canvasAdapter);
var hoverAdapter = new HoverAdapter();
hoverAdapter.HoverStarted += control_HoverStarted;
hoverAdapter.HoverStopped += control_HoverStopped;
var annotationAdaptor = new D2dAnnotationAdapter(m_theme); // display annotations under diagram
var d2dRectangleDragSelector = new D2dRectangleDragSelector();
var d2dRectangleDragRenderer = new D2dRectangleDragRenderer(d2dRectangleDragSelector);
if (circuitNode.Is<Circuit>())
{
var circuitAdapter = new D2dGraphAdapter<Module, Connection, ICircuitPin>(m_circuitRenderer, transformAdapter);
// The "AllFirst" policy will try to draw edges (wires) before nodes, as much as possible.
//circuitAdapter.EdgeRenderPolicy = D2dGraphAdapter<Module, Connection, ICircuitPin>.DrawEdgePolicy.AllFirst;
var circuitModuleEditAdapter = new D2dGraphNodeEditAdapter<Module, Connection, ICircuitPin>(
m_circuitRenderer, circuitAdapter, transformAdapter);
circuitModuleEditAdapter.DraggingSubNodes = false;
var circuitConnectionEditAdapter =
new D2dGraphEdgeEditAdapter<Module, Connection, ICircuitPin>(m_circuitRenderer, circuitAdapter, transformAdapter);
circuitConnectionEditAdapter.EdgeRouteTraverser = CircuitUtil.EdgeRouteTraverser;
control.Adapt(
// This end of the list is drawn first and receives mouse events last.
hoverAdapter,
scrollbarAdapter,
autoTranslateAdapter,
d2dRectangleDragSelector, //Needs to be before annotationAdaptor, so that drag-and-selecting text works.
transformAdapter,
viewingAdapter,
canvasAdapter,
mouseTransformManipulator,
mouseWheelManipulator,
new KeyboardIOGraphNavigator<Module, Connection, ICircuitPin>(),
new D2dGridAdapter(),
annotationAdaptor, //Needs to be before circuitAdapter so that comments appear under elements.
circuitAdapter,
circuitModuleEditAdapter, //lets user move circuit elements on canvas
circuitConnectionEditAdapter,
new LabelEditAdapter(),
d2dRectangleDragRenderer,
new SelectionAdapter(),
new DragDropAdapter(m_statusService),
new ContextMenuAdapter(m_commandService, m_contextMenuCommandProviders)
// This end of the list is drawn last and receives mouse events first.
);
}
else if (circuitNode.Is<Group>())
{
var circuitAdapter = new D2dSubgraphAdapter<Module, Connection, ICircuitPin>(m_subGraphRenderer,
transformAdapter);
var circuitModuleEditAdapter = new D2dGraphNodeEditAdapter<Module, Connection, ICircuitPin>(
m_subGraphRenderer, circuitAdapter, transformAdapter);
circuitModuleEditAdapter.DraggingSubNodes = false;
var circuitConnectionEditAdapter =
new D2dGraphEdgeEditAdapter<Module, Connection, ICircuitPin>(m_subGraphRenderer, circuitAdapter, transformAdapter);
circuitConnectionEditAdapter.EdgeRouteTraverser = CircuitUtil.EdgeRouteTraverser;
var groupPinEditor = new GroupPinEditor(transformAdapter);
groupPinEditor.GetPinOffset = m_subGraphRenderer.GetPinOffset;
canvasAdapter.UpdateTranslateMinMax = groupPinEditor.UpdateTranslateMinMax;
control.Adapt(
// This end of the list is drawn first and receives mouse events last.
hoverAdapter,
scrollbarAdapter,
autoTranslateAdapter,
d2dRectangleDragSelector,
transformAdapter,
viewingAdapter,
canvasAdapter,
mouseTransformManipulator,
mouseWheelManipulator,
new KeyboardIOGraphNavigator<Module, Connection, ICircuitPin>(),
new D2dGridAdapter(),
annotationAdaptor,
circuitAdapter,
circuitModuleEditAdapter,
circuitConnectionEditAdapter,
new LabelEditAdapter(),
groupPinEditor,
d2dRectangleDragRenderer,
new SelectionAdapter(),
new DragDropAdapter(m_statusService),
new ContextMenuAdapter(m_commandService, m_contextMenuCommandProviders)
// This end of the list is drawn last and receives mouse events first.
);
}
else throw new NotImplementedException(
"graph node type is not supported!");
control.ResumeLayout();
control.DoubleClick += control_DoubleClick;
control.MouseDown += control_MouseDown;
return control;
}
internal D2dAdaptableControl CreateCircuitControl(DomNode circuitNode)
{
var control = new D2dAdaptableControl();
control.SuspendLayout();
control.BackColor = SystemColors.ControlLight;
control.AllowDrop = true;
var transformAdapter = new TransformAdapter();
transformAdapter.EnforceConstraints = false; //to allow the canvas to be panned to view negative coordinates
transformAdapter.UniformScale = true;
transformAdapter.MinScale = new PointF(0.25f, 0.25f);
transformAdapter.MaxScale = new PointF(4, 4);
var viewingAdapter = new ViewingAdapter(transformAdapter);
viewingAdapter.MarginSize = new Size(25, 25);
var canvasAdapter = new CanvasAdapter();
((ILayoutConstraint) canvasAdapter).Enabled = false; //to allow negative coordinates for circuit elements within groups
var autoTranslateAdapter = new AutoTranslateAdapter(transformAdapter);
var mouseTransformManipulator = new MouseTransformManipulator(transformAdapter);
var mouseWheelManipulator = new MouseWheelManipulator(transformAdapter);
var scrollbarAdapter = new ScrollbarAdapter(transformAdapter, canvasAdapter);
var hoverAdapter = new HoverAdapter();
hoverAdapter.HoverStarted += control_HoverStarted;
hoverAdapter.HoverStopped += control_HoverStopped;
var annotationAdaptor = new D2dAnnotationAdapter(m_theme); // display annotations under diagram
if (circuitNode.Is<Circuit>())
{
var circuitAdapter = new D2dGraphAdapter<Module, Connection, ICircuitPin>(m_circuitRenderer, transformAdapter);
var circuitModuleEditAdapter = new D2dGraphNodeEditAdapter<Module, Connection, ICircuitPin>(
m_circuitRenderer, circuitAdapter, transformAdapter);
circuitModuleEditAdapter.DraggingSubNodes = false;
var circuitConnectionEditAdapter =
new D2dGraphEdgeEditAdapter<Module, Connection, ICircuitPin>(m_circuitRenderer, circuitAdapter, transformAdapter);
circuitConnectionEditAdapter.EdgeRouteTraverser = CircuitUtil.EdgeRouteTraverser;
control.Adapt(
hoverAdapter,
scrollbarAdapter,
autoTranslateAdapter,
new RectangleDragSelector(),
transformAdapter,
viewingAdapter,
canvasAdapter,
mouseTransformManipulator,
mouseWheelManipulator,
new KeyboardIOGraphNavigator<Module, Connection, ICircuitPin>(),
new D2dGridAdapter(),
annotationAdaptor,
circuitAdapter,
circuitModuleEditAdapter,
circuitConnectionEditAdapter,
new LabelEditAdapter(),
new SelectionAdapter(),
new DragDropAdapter(m_statusService),
new ContextMenuAdapter(m_commandService, m_contextMenuCommandProviders)
);
}
else if (circuitNode.Is<Group>())
{
var circuitAdapter = new D2dSubgraphAdapter<Module, Connection, ICircuitPin>(m_subGraphRenderer,
transformAdapter);
var circuitModuleEditAdapter = new D2dGraphNodeEditAdapter<Module, Connection, ICircuitPin>(
m_subGraphRenderer, circuitAdapter, transformAdapter);
circuitModuleEditAdapter.DraggingSubNodes = false;
var circuitConnectionEditAdapter =
new D2dGraphEdgeEditAdapter<Module, Connection, ICircuitPin>(m_subGraphRenderer, circuitAdapter, transformAdapter);
circuitConnectionEditAdapter.EdgeRouteTraverser = CircuitUtil.EdgeRouteTraverser;
var groupPinEditor = new GroupPinEditor(transformAdapter);
groupPinEditor.GetPinOffset = m_subGraphRenderer.GetPinOffset;
canvasAdapter.UpdateTranslateMinMax = groupPinEditor.UpdateTranslateMinMax;
control.Adapt(
hoverAdapter,
scrollbarAdapter,
autoTranslateAdapter,
new RectangleDragSelector(),
transformAdapter,
viewingAdapter,
canvasAdapter,
mouseTransformManipulator,
mouseWheelManipulator,
new KeyboardIOGraphNavigator<Module, Connection, ICircuitPin>(),
new D2dGridAdapter(),
annotationAdaptor,
circuitAdapter,
circuitModuleEditAdapter,
circuitConnectionEditAdapter,
new LabelEditAdapter(),
groupPinEditor,
new SelectionAdapter(),
new DragDropAdapter(m_statusService),
new ContextMenuAdapter(m_commandService, m_contextMenuCommandProviders)
);
}
else throw new NotImplementedException(
"graph node type is not supported!");
control.ResumeLayout();
control.DoubleClick += new EventHandler(control_DoubleClick);
control.MouseDown += new MouseEventHandler(control_MouseDown);
return control;
}