/// <summary>
/// RealizeItems from the itemsToRealize enumerable upto the maxItemsToRealize limit.
/// </summary>
/// <param name="itemsToRealize">items to realize</param>
/// <param name="realizedItems">Set of Realized Items</param>
/// <param name="maxItemsToRealize">Max limit of items to realize</param>
/// <returns>count of items realized.</returns>
private int RealizeItems(IEnumerator <ISpatialItem> itemsToRealize, HashSet <ISpatialItem> realizedItems, int maxItemsToRealize)
{
int itemsRealized = 0;
// This has to happen again because of the lazy throttling that can happen after RealizeOverride has returned.
IVisualFactory f = VisualFactory ?? this.defaultFactory;
f.BeginRealize();
// Realize n items where n <= this.realizationQuantum.
while (itemsRealized < maxItemsToRealize && itemsToRealize.MoveNext())
{
ISpatialItem item = itemsToRealize.Current;
Visual realizedVisual = RealizeItem(item, false);
if (realizedVisual != null)
{
itemsRealized++;
realizedItems.Add(item);
}
}
f.EndRealize();
return(itemsRealized);
}
void OnSelect(IVisualFactory factory)
{
if (s_OpenWindowCallback != null)
{
s_OpenWindowCallback(factory, Topic, RosMessageName);
}
}
void OnPlayModeState(PlayModeStateChange state)
{
if (state == PlayModeStateChange.EnteredEditMode)
{
m_VisualFactory = null;
m_Visual = null;
}
}
public VisualizationEditorWindow(IVisualFactory factory, string topic, string rosMessageName)
{
m_VisualFactory = factory;
m_Topic = topic;
m_RosMessageName = rosMessageName;
SetFactory(factory);
EditorApplication.playModeStateChanged += OnPlayModeState;
titleContent = new GUIContent(m_Topic);
}
public static IVisual GetVisual(string topic, string rosMessageName, MessageSubtopic subtopic)
{
IVisualFactory factory = VisualFactoryRegistry.GetVisualFactory(topic, rosMessageName, subtopic);
if (factory == null)
{
return(null);
}
return(factory.GetOrCreateVisual(topic));
}
public static void RegisterTypeVisualizer(string rosMessageName, IVisualFactory visualFactory, int priority = 0, MessageSubtopic subtopic = MessageSubtopic.Default)
{
Dictionary <string, PrioritizedList <IVisualFactory> > factoriesTable = (subtopic != MessageSubtopic.Response) ? s_TypeVisualFactories : s_TypeResponseVisualFactories;
PrioritizedList <IVisualFactory> currentEntry;
if (!factoriesTable.TryGetValue(rosMessageName, out currentEntry))
{
currentEntry = new PrioritizedList <IVisualFactory>();
currentEntry.Add(s_DefaultVisualFactory, int.MinValue);
factoriesTable[rosMessageName] = currentEntry;
}
currentEntry.Add(visualFactory, priority);
}
public IVisualFactory GetVisualFactory()
{
if (m_CachedRosMessageName != RosMessageName)
{
// if the topic has changed, discard our cached data
m_VisualFactory = null;
m_NoVisualFactoryAvailable = false;
}
if (m_VisualFactory == null && !m_NoVisualFactoryAvailable)
{
SetVisualFactory(VisualFactoryRegistry.GetVisualFactory(Topic, RosMessageName, Subtopic));
}
return(m_VisualFactory);
}
public static void RegisterTopicVisualizer(string topic, IVisualFactory visualFactory, int priority = 0, MessageSubtopic subtopic = MessageSubtopic.Default)
{
if (topic == null)
{
Debug.Log("Registered null topic!");
}
Dictionary <string, PrioritizedList <IVisualFactory> > factoriesTable = (subtopic != MessageSubtopic.Response) ? s_TopicVisualFactories : s_TopicResponseVisualFactories;
PrioritizedList <IVisualFactory> currentEntry;
if (!factoriesTable.TryGetValue(topic, out currentEntry))
{
currentEntry = new PrioritizedList <IVisualFactory>();
factoriesTable[topic] = currentEntry;
}
currentEntry.Add(visualFactory, priority);
}
public void SetVisualFactory(IVisualFactory visualFactory)
{
if (m_Visual != null)
{
m_Visual.SetDrawingEnabled(false);
}
m_Visual = null;
m_VisualFactory = visualFactory;
m_CachedRosMessageName = RosMessageName;
if (m_VisualFactory == null)
{
m_NoVisualFactoryAvailable = true;
}
SetVisualizing(m_IsVisualizingUI, m_IsVisualizingDrawing);
}
public void TickleZoomables(bool visibleOnly)
{
double scale = canvas.Scale;
IVisualFactory factory = canvas.VisualFactory;
factory.BeginRealize();
// todo: timeslice this work (throttle it)
IEnumerable <ISpatialItem> query = null;
if (visibleOnly)
{
query = canvas.Items.GetItemsIntersecting(canvas.ActualViewbox);
}
else
{
query = canvas.Items;
}
foreach (ISpatialItem item in query)
{
Visual visual = canvas.VisualFromItem(item);
if (visual == null && !canvas.IsPaused)
{
visual = canvas.RealizeItem(item, false);
}
if (visual != null)
{
TickleZoomable(scale, visual);
// see if there are any adorners on the visual that also need to be scaled
var layer = AdornerLayer.GetAdornerLayer(visual);
if (layer != null)
{
var adorners = layer.GetAdorners(visual as UIElement);
if (adorners != null)
{
foreach (var zoomableAdorner in adorners.OfType <ISemanticZoomable>())
{
TickleZoomable(scale, zoomableAdorner);
}
}
}
}
}
factory.EndRealize();
}
public static IEnumerable <IVisualFactory> GetAllVisualFactories(string topic, string rosMessageName)
{
PrioritizedList <IVisualFactory> result;
IEnumerable <IVisualFactory> topicVisualizers = null;
if (topic != null)
{
s_TopicVisualFactories.TryGetValue(topic, out result);
if (result != null)
{
topicVisualizers = result.All;
}
}
IEnumerable <IVisualFactory> typeVisualizers = null;
if (rosMessageName != null)
{
s_TypeVisualFactories.TryGetValue(rosMessageName, out result);
if (result != null)
{
typeVisualizers = result.All;
}
else if (MessageRegistry.GetDeserializeFunction(rosMessageName) != null)
{
typeVisualizers = new IVisualFactory[] { s_DefaultVisualFactory }
}
;
}
if (topicVisualizers == null)
{
return(typeVisualizers);
}
if (typeVisualizers != null)
{
return(topicVisualizers.Concat(typeVisualizers));
}
else
{
return(topicVisualizers);
}
}
}
public static IVisual GetVisual(string topic, MessageSubtopic subtopic = MessageSubtopic.Default)
{
RosTopicState topicState = ROSConnection.GetOrCreateInstance().GetTopic(topic);
if (topicState != null && subtopic == MessageSubtopic.Response)
{
topicState = topicState.ServiceResponseTopic;
}
if (topicState == null)
{
return(null);
}
IVisualFactory factory = VisualFactoryRegistry.GetVisualFactory(topic, topicState.RosMessageName, subtopic);
if (factory == null)
{
return(null);
}
return(factory.GetOrCreateVisual(topic));
}
public void SetFactory(IVisualFactory factory)
{
m_VisualFactory = factory;
m_FactoryID = factory.ID;
m_Visual = null;
}
private void OnGUI()
{
if (!EditorApplication.isPlaying)
{
GUILayout.Label("Waiting for play mode...");
return;
}
if (m_Visual == null && EditorApplication.isPlaying)
{
if (m_FactoryID == null)
{
GUIContent buttonContent = new GUIContent("Select Visualizer");
Rect selectBtnRect = GUILayoutUtility.GetRect(buttonContent, EditorStyles.toolbarDropDown, GUILayout.ExpandWidth(false));
if (EditorGUI.DropdownButton(selectBtnRect, buttonContent, FocusType.Keyboard))
{
GenericMenu menu = new GenericMenu();
foreach (IVisualFactory factory in VisualFactoryRegistry.GetAllVisualFactories(m_Topic, m_RosMessageName))
{
menu.AddItem(new GUIContent(factory.Name), false, () => SetFactory(factory));
}
menu.DropDown(selectBtnRect);
}
}
else if (m_VisualFactory == null)
{
foreach (IVisualFactory factory in VisualFactoryRegistry.GetAllVisualFactories(m_Topic, m_RosMessageName))
{
if (factory.ID == m_FactoryID)
{
m_VisualFactory = factory;
}
}
if (m_VisualFactory == null)
{
m_FactoryID = null;
}
}
if (m_VisualFactory != null)
{
m_Visual = m_VisualFactory.GetOrCreateVisual(m_Topic);
}
}
if (m_Visual != null)
{
GUILayout.BeginHorizontal(GUI.skin.box);
EditorGUI.BeginDisabledGroup(m_VisualFactory == null || !m_VisualFactory.CanShowDrawing);
bool drawingEnable = EditorGUILayout.ToggleLeft("Show 3d drawings", m_Visual.IsDrawingEnabled);
EditorGUI.EndDisabledGroup();
EditorGUI.BeginDisabledGroup(!(m_VisualFactory is Object));
if (GUILayout.Button("Select in Editor"))
{
Object factoryObject = (Object)m_VisualFactory;
Selection.activeObject = factoryObject;
}
EditorGUI.EndDisabledGroup();
GUILayout.EndHorizontal();
if (m_Visual.IsDrawingEnabled != drawingEnable)
{
m_Visual.SetDrawingEnabled(drawingEnable);
}
m_ScrollPos = GUILayout.BeginScrollView(m_ScrollPos);
m_Visual.OnGUI();
GUILayout.EndScrollView();
}
}
/// <summary>
/// Realizes and virtualizes items based on the current viewbox.
/// </summary>
/// <returns>An enumerator which allows this method to continue realization where it left off.</returns>
private IEnumerator RealizeOverride()
{
IVisualFactory f = VisualFactory ?? this.defaultFactory;
f.BeginRealize();
IEnumerator <ISpatialItem> itemEnumerator = null;
HashSet <ISpatialItem> realizedItems = new HashSet <ISpatialItem>();
// RealizeItems
if (this.Items != null)
{
IEnumerable <ISpatialItem> itemsToRealize = null;
if (this.IsVirtualizing)
{
// Only realize the items within our viewbox.
double scale = Scale;
Rect viewbox = ActualViewbox;
// Buffer the viewbox.
// This just seems to make things worse, especially when zoomed out a long way.
// A smarter algorithm would predict the direction we are moving and only prefetch those.
// viewbox.Inflate(viewbox.Width / 2, viewbox.Height / 2);
// Query the index for all items that intersect our viewbox.
// use ToList() because we can't leave the query to be lazy.
// by the time RealizeItems is called below the contents of the query
// may have mutated.
itemsToRealize = Items.GetItemsIntersecting(viewbox).ToList();
}
else
{
// Get all items.
itemsToRealize = Items;
}
itemEnumerator = itemsToRealize.GetEnumerator();
QuantizedWorkHandler realizeHandler = delegate(int realizationQuantum)
{
return(this.RealizeItems(itemEnumerator, realizedItems, realizationQuantum));
};
while (this.SelfThrottlingWorker(ref this.realizationQuantum, realizeHandler))
{
yield return(true);
}
// Raise VisualChildrenChanged only if new
if (realizedItems.Count > 0)
{
// Raise the VisualChildrenChanged event since all items are visible.
if (this.VisualChildrenChanged != null)
{
this.VisualChildrenChanged(this, EventArgs.Empty);
}
}
}
// VirtualizeItems
// Build a list of items to virtualize.
IList <ISpatialItem> itemsToVirtualize = new List <ISpatialItem>(this.visualMap.Count);
// Get any items that are no longer part of our result set.
foreach (ISpatialItem item in this.visualMap.Keys)
{
if (!realizedItems.Contains(item))
{
if (this.ShouldVirtualize(item))
{
itemsToVirtualize.Add(item);
}
}
}
itemEnumerator = itemsToVirtualize.GetEnumerator();
QuantizedWorkHandler virtualizingHandler = delegate(int virtualizationQuantum)
{
return(this.VirtualizeItems(itemEnumerator, virtualizationQuantum));
};
while (this.SelfThrottlingWorker(ref this.virtualizationQuantum, virtualizingHandler))
{
yield return(true);
}
f.EndRealize();
}
static void OpenWindow(IVisualFactory visualizer, string topic, string rosMessageName)
{
VisualizationEditorWindow window = new VisualizationEditorWindow(visualizer, topic, rosMessageName);
window.Show();
}
public static void RegisterTypeVisualizer <MsgType>(IVisualFactory visualFactory, int priority = 0) where MsgType : Message
{
RegisterTypeVisualizer(MessageRegistry.GetRosMessageName <MsgType>(), visualFactory, priority, MessageRegistry.GetSubtopic <MsgType>());
}
