protected virtual void ComposePagesDisplay(IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
display.SceneFocusChanged += (s, e) => {
var docMan = new DigidocViz();
var pageContent = docMan.PageContent(e.Scene.Graph, e.Item);
PageContent = pageContent;
if (pageContent != null && ContentViewer != null)
{
AttachScroller(display, ContentViewer.Frontend as IDisplay);
var thing = e.Scene.Graph.ThingOf(e.Item);
ContentViewer.ContentId = thing.Id;
}
};
var layout = display.Layout;
Border = new Size(0, -5);
layout.StyleSheet = DefaultStyleSheet;
var focusAction = display.ActionDispatcher.GetAction <GraphSceneFocusAction <IVisual, IVisualEdge> > ();
if (focusAction != null)
{
focusAction.HitSize = -1;
}
var folding = display.Folding();
folding.Folder.RemoveOrphans = false;
}
public static void Wink <TItem, TEdge> (this IGraphSceneDisplay <TItem, TEdge> display) where TEdge : TItem, IEdge <TItem>
{
if (display == null)
{
return;
}
var color = display.BackColor;
var zoomState = display.ZoomState;
var zoomFactor = display.Viewport.ZoomFactor;
Action <Color, ZoomState, double> setDispay = (c, s, f) => {
display.BackColor = c;
display.ZoomState = s;
display.Viewport.ZoomFactor = f;
display.Viewport.UpdateZoom();
Application.MainLoop.DispatchPendingEvents();
};
Application.MainLoop.QueueExitAction(() => {
setDispay(Colors.AliceBlue, ZoomState.Custom, zoomFactor + 0.1);
Application.TimeoutInvoke(10, () => { setDispay(color, zoomState, zoomFactor); display.QueueDraw(); return(false); });
});
Application.MainLoop.DispatchPendingEvents();
}
protected virtual void AttachScroller(IGraphSceneDisplay <IVisual, IVisualEdge> pagesDisplay, IDisplay contentDisplay)
{
if (contentDisplay == null)
{
return;
}
var scroller = contentDisplay.ActionDispatcher.GetAction <DigidocKeyScrollAction> ();
var scene = pagesDisplay.Data;
var pages = scene.Elements.Where(e => !(e is IVisualEdge)).OrderBy(e => e.Location.Y).ToList();
if (scroller != null)
{
scroller.KeyProcessed = (r) => {
var inc = (int)(r.X + r.Y + r.Bottom + r.Right);
if (scene.Focused != null && inc != 0)
{
var iPage = pages.IndexOf(scene.Focused);
if (iPage != -1 && pages.Count > iPage + inc && iPage + inc >= 0)
{
scene.SetFocused(pages [iPage + inc]);
scene.ClearSelection();
pagesDisplay.Perform();
pagesDisplay.OnSceneFocusChanged();
}
}
};
}
}
public static void Clear <TItem, TEdge>(this IGraphSceneDisplay <TItem, TEdge> d) where TEdge : TItem, IEdge <TItem>
{
d.Info = new SceneInfo {
};
d.DataId = 0;
d.Text = string.Empty;
}
/// <summary>
/// copies some propterties of sourceDisplay into targetDisplay
/// they will have the same SourceGraph
/// BackColor, ZoomState
/// sets Action.Enabled of SelectAction and ScrollAction
/// </summary>
/// <param name="sourceDisplay"></param>
/// <param name="targetDisplay"></param>
public virtual void CopyDisplayProperties(IGraphSceneDisplay <TItem, TEdge> sourceDisplay, IGraphSceneDisplay <TItem, TEdge> targetDisplay)
{
targetDisplay.BackColor = sourceDisplay.BackColor;
targetDisplay.ZoomState = sourceDisplay.ZoomState;
targetDisplay.SelectAction.Enabled = sourceDisplay.SelectAction.Enabled;
targetDisplay.MouseScrollAction.Enabled = sourceDisplay.MouseScrollAction.Enabled;
}
public void AddDisplay(IGraphSceneDisplay <TItem, TEdge> display)
{
if (display != null)
{
Displays.Add(display);
AddScene(display.Data);
}
}
public void GraphChanged(
object sender,
GraphChangeArgs <IVisual, IVisualEdge> args,
IVisual sinkItem, IGraphScene <IVisual, IVisualEdge> sinkScene,
IGraphSceneDisplay <IVisual, IVisualEdge> sinkDisplay)
{
// everything is done in MeshBackHandler
return;
}
public void Call(IGraphSceneDisplay <IVisual, IVisualEdge> display, Action <Aligner <IVisual, IVisualEdge>, IEnumerable <IVisual> > call)
{
if (display == null)
{
return;
}
Call(display, call, display.Data.Selected.Elements);
}
public void Save(IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
Scene = display.Data;
Layout = display.Layout;
Info = SceneInfo.FromInfo(display.Info);
Offset = display.Viewport.ClipOrigin;
Zoom = display.Viewport.ZoomFactor;
ZoomState = display.Viewport.ZoomState;
}
public static void AssignScene(this ISceneManager sceneManager, IGraphSceneDisplay <IVisual, IVisualEdge> display, IGraphScene <IVisual, IVisualEdge> scene, SceneInfo info)
{
if (display == null || scene == null)
{
return;
}
AssignScene(display, scene, info);
sceneManager.SheetStore.RegisterSceneInfo(info);
}
public virtual IGraphSceneDisplay <IVisual, IVisualEdge> AdjacentDisplay(IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
if (display == Display2)
{
return(Display1);
}
else
{
return(Display2);
}
}
public void RemoveDisplay(IGraphSceneDisplay <TItem, TEdge> display)
{
if (display != null)
{
Displays.Remove(display);
if (display.Data != null &&
!Displays.Any(d => d != display && display.Data == d.Data))
{
RemoveScene(display.Data);
}
}
}
protected virtual void StoreUndo(IGraphSceneDisplay <IVisual, IVisualEdge> display, Aligner <IVisual, IVisualEdge> aligner, IEnumerable <IVisual> items)
{
_undo = new List <ICommand <IVisual> > ();
_undoID = display.DataId;
foreach (var item in aligner.GraphScene.Requests.Select(c => c.Subject))
{
_undo.Add(new MoveCommand <IVisual> (item, i => i.Shape, item.Location));
}
foreach (var edge in aligner.Locator.AffectedEdges)
{
_undo.Add(new LayoutCommand <IVisual> (edge, LayoutActionType.Justify));
}
}
public static void Store(this ISceneManager sceneManager, IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
if (display != null && display.Data != null && display.Data.Count > 0)
{
if (display.DataId == 0)
{
display.DataId = Isaac.Long;
}
display.Perform();
if (sceneManager.SaveInStore(display.Data, display.Layout, display.DataId))
{
sceneManager.SheetStore.RegisterSceneInfo(display.Info);
}
}
}
public static void AssignScene(this IGraphSceneDisplay <IVisual, IVisualEdge> display, IGraphScene <IVisual, IVisualEdge> scene, SceneInfo info)
{
if (scene == null || display == null || scene == display.Data)
{
return;
}
Trace.WriteLine($"{nameof (SceneManagerExtensions)}.{nameof (AssignScene)}:{display.Info} => {info}");
Mesh.RemoveScene(display.Data);
Mesh.AddScene(scene);
display.Data = scene;
display.Info = info;
display.Data.CreateMarkers();
display.QueueDraw();
}
/// <summary>
/// tests if scene.Focused with a call to HtmlViewer is an infinite loop
/// </summary>
/// <param name="display"></param>
public void TestInfinitLoopIfHtmlContentIsFocused(IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
var scene = display.Data;
if (scene != null)
{
foreach (var item in scene.Elements
.Select(v => scene.Graph.ThingOf(v)).OfType <IStreamThing>()
.Where(s => s.StreamType == ContentTypes.HTML))
{
scene.Focused = scene.Graph.VisualOf(item);
display.OnSceneFocusChanged();
}
scene.Selected.Clear();
scene.Focused = null;
}
}
public void Call(IGraphSceneDisplay <IVisual, IVisualEdge> display, Action <Aligner <IVisual, IVisualEdge>, IEnumerable <IVisual> > call, IEnumerable <IVisual> items)
{
if (display == null)
{
return;
}
var aligner = new Aligner <IVisual, IVisualEdge> (display.Data, display.Layout);
call(aligner, items);
aligner.Locator.Commit(aligner.GraphScene.Requests);
StoreUndo(display, aligner, items);
display.Perform();
}
public static void Load(this ISceneManager sceneManager, IGraphSceneDisplay <IVisual, IVisualEdge> display, Int64 id, bool checkOpen = true)
{
if (id == 0)
{
return;
}
if (checkOpen && sceneManager.IsSceneOpen(id, true, true))
{
return;
}
var scene = sceneManager.Load(display.Data.Graph, display.Layout, id);
var info = sceneManager.SheetStore.GetSheetInfo(id);
display.AssignScene(scene, info);
}
public virtual void Undo(IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
if (display == null)
{
return;
}
if (_undo != null && _undoID == display.DataId)
{
foreach (var comm in _undo)
{
display.Data.Requests.Add(comm);
}
display.Perform();
_undo = null;
_undoID = 0;
}
}
public void InstrumentLayer(IRenderAction renderAction, IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
var layer = renderAction as ILayer <IGraphScene <IVisual, IVisualEdge> >;
if (layer != null)
{
layer.Data = () => display.Data;
layer.Camera = () => display.Viewport.Camera;
}
var graphLayer = layer as GraphSceneLayer <IVisual, IVisualEdge>;
if (graphLayer != null)
{
graphLayer.Layout = () => display.Layout;
}
display.ActionDispatcher.Add(renderAction);
}
protected virtual bool DisplaySheet(IGraphSceneDisplay <IVisual, IVisualEdge> display, IThing thing, IThingGraph thingGraph)
{
var streamThing = thing as IStreamThing;
try {
if (streamThing != null && streamThing.StreamType == ContentTypes.LimadaSheet)
{
var content = thingGraph.ContentOf(streamThing);
content.Source = streamThing.Id;
DisplaySheet(display, content);
return(true);
}
} catch (Exception e) {
Trace.WriteLine("Error on displaying sheet {0}", e.Message);
Debug.WriteLine(e.StackTrace);
}
return(false);
}
public void Navigate(IGraphSceneDisplay <IVisual, IVisualEdge> display, ISceneManager sceneManager, bool forward)
{
Store(display, sceneManager);
var info = display.Info;
var currSheedId = info != null ? info.Id : 0;
var sheetId = forward ? History.Forward() : History.Back();
if (sheetId != currSheedId)
{
Load(display, sceneManager, sheetId);
}
if (currSheedId == 0)
{
History.Remove(p => p == currSheedId);
}
}
public static void Load(this ISceneManager sceneManager, IGraphSceneDisplay <IVisual, IVisualEdge> display, Content <Stream> content, bool checkOpen = true)
{
if (content == null)
{
return;
}
var id = sceneManager.IdOf(content);
if (checkOpen && sceneManager.IsSceneOpen(id, true, true))
{
return;
}
var scene = sceneManager.LoadFromContent(content, display.Data.Graph, display.Layout);
var info = sceneManager.SheetStore.GetSheetInfo(id);
display.AssignScene(scene, info);
}
public void ChangeData()
{
IList <IGraphSceneDisplay <IVisual, IVisualEdge> > displays = new IGraphSceneDisplay <IVisual, IVisualEdge>[] { Display2 };
Clear();
CurrentDisplay = null;
displays
.Where(d => d != Display1)
.ForEach(d => {
Mesh.CopyDisplayProperties(Display1, d);
});
FavoriteManager.GoHome(Display1, true);
GraphGraphView();
GraphContentView();
CurrentDisplay = Display1;
}
public void InitializeDisplay(IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
var styleSheets = Registry.Pooled <StyleSheets>();
IStyleSheet styleSheet = null;
if (styleSheets.TryGetValue(display.StyleSheet.Name, out styleSheet))
{
display.StyleSheet = styleSheet;
}
else
{
styleSheets.Add(display.StyleSheet.Name, display.StyleSheet);
}
display.SceneFocusChanged -= SceneFocusChanged;
display.SceneFocusChanged += SceneFocusChanged;
AttachVidget(display);
Mesh.AddDisplay(display);
}
public void Restore(IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
display.Data = Scene;
display.Info = SceneInfo.FromInfo(Info);
var layout = Layout;
if (layout == null)
{
var styleSheet = Registry.Pooled <StyleSheets>()[StyleSheetName];
Func <IGraphScene <IVisual, IVisualEdge> > scene = () => display.Data;
layout = Registry.Create <IGraphSceneLayout <IVisual, IVisualEdge> >(scene, styleSheet);
}
display.Layout = layout;
display.Viewport.ClipOrigin = Offset;
display.Viewport.ZoomState = ZoomState;
if (ZoomState == ZoomState.Custom)
{
display.Viewport.ZoomFactor = Zoom;
}
}
public virtual void Restore(string tag, IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
SavedDisps[tag].Restore(display);
Mesh.AddDisplay(display);
}
public virtual void Save(string tag, IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
SavedDisps[tag] = new GraphSceneDisplayMemento(display);
display.Data = null;
Mesh.RemoveDisplay(display);
}
public GraphSceneDisplayMemento(IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
Save(display);
}
public virtual IGraphSceneDisplay <IVisual, IVisualEdge> AdjacentDisplay(IGraphSceneDisplay <IVisual, IVisualEdge> display)
{
return(null);
}