playground/src/jvmMain/kotlin/hep/dataforge/vision/solid/fileExport.kt

@@ -1,12 +1,13 @@
-package ru.mipt.npm.sat
+package hep.dataforge.vision.solid
 
+import hep.dataforge.meta.DFExperimental
 import hep.dataforge.vision.ResourceLocation
 import hep.dataforge.vision.VisionManager
 import hep.dataforge.vision.html.fragment
-import hep.dataforge.vision.solid.box
 import hep.dataforge.vision.three.server.makeFile
 import hep.dataforge.vision.three.server.solid
 
+@OptIn(DFExperimental::class)
 fun main() {
     val fragment = VisionManager.fragment {
         vision("canvas") {

ui/react/src/main/kotlin/hep/dataforge/vision/react/TreeStyles.kt

@@ -117,5 +117,4 @@ public object TreeStyles : StyleSheet("treeStyles", true) {
             width = 100.pct
         }
     }
-
 }

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/Colors.kt

@@ -5,7 +5,6 @@ import hep.dataforge.meta.get
 import hep.dataforge.meta.number
 import hep.dataforge.values.ValueType
 import hep.dataforge.values.int
-import hep.dataforge.values.string
 import kotlin.math.max
 
 /**

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionChange.kt

@@ -6,8 +6,6 @@ import hep.dataforge.names.plus
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flow
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
 import kotlinx.serialization.*
 import kotlin.time.Duration
 
@@ -15,13 +13,16 @@ import kotlin.time.Duration
  * An update for a [Vision] or a [VisionGroup]
  */
 public class VisionChangeBuilder : VisionContainerBuilder<Vision> {
+
     private val propertyChange = HashMap<Name, Config>()
     private val childrenChange = HashMap<Name, Vision?>()
 
     public fun isEmpty(): Boolean = propertyChange.isEmpty() && childrenChange.isEmpty()
 
     public fun propertyChanged(visionName: Name, propertyName: Name, item: MetaItem<*>?) {
-        propertyChange.getOrPut(visionName) { Config() }.setItem(propertyName, item)
+        propertyChange
+            .getOrPut(visionName) { Config() }
+            .setItem(propertyName, item)
     }
 
     override fun set(name: Name, child: Vision?) {
@@ -32,7 +33,7 @@ public class VisionChangeBuilder : VisionContainerBuilder<Vision> {
      * Isolate collected changes by creating detached copies of given visions
      */
     public fun isolate(manager: VisionManager): VisionChange = VisionChange(
-        propertyChange,
+        propertyChange.mapValues { it.value.seal() },
         childrenChange.mapValues { it.value?.isolate(manager) }
     )
     //TODO optimize isolation for visions without parents?
@@ -64,42 +65,40 @@ public inline fun VisionChange(manager: VisionManager, block: VisionChangeBuilde
 private fun CoroutineScope.collectChange(
     name: Name,
     source: Vision,
-    mutex: Mutex,
     collector: () -> VisionChangeBuilder,
 ) {
+
     //Collect properties change
-    source.config.onChange(mutex) { propertyName, oldItem, newItem ->
+    source.config.onChange(this) { propertyName, oldItem, newItem ->
         if (oldItem != newItem) {
             launch {
-                mutex.withLock {
+                collector().propertyChanged(name, propertyName, newItem)
-                    collector().propertyChanged(name, propertyName, newItem)
-                }
             }
         }
     }
 
     coroutineContext[Job]?.invokeOnCompletion {
-        source.config.removeListener(mutex)
+        source.config.removeListener(this)
     }
 
     if (source is VisionGroup) {
         //Subscribe for children changes
         source.children.forEach { (token, child) ->
-            collectChange(name + token, child, mutex, collector)
+            collectChange(name + token, child, collector)
         }
 
         //Subscribe for structure change
         if (source is MutableVisionGroup) {
-            source.onStructureChange(mutex) { token, before, after ->
+            source.onStructureChange(this) { token, before, after ->
-                before?.removeChangeListener(mutex)
+                before?.removeChangeListener(this)
-                (before as? MutableVisionGroup)?.removeStructureChangeListener(mutex)
+                (before as? MutableVisionGroup)?.removeStructureChangeListener(this)
                 if (after != null) {
-                    collectChange(name + token, after, mutex, collector)
+                    collectChange(name + token, after, collector)
                 }
                 collector()[name + token] = after
             }
             coroutineContext[Job]?.invokeOnCompletion {
-                source.removeStructureChangeListener(mutex)
+                source.removeStructureChangeListener(this)
             }
         }
     }
@@ -110,10 +109,9 @@ public fun Vision.flowChanges(
     manager: VisionManager,
     collectionDuration: Duration,
 ): Flow<VisionChange> = flow {
-    val mutex = Mutex()
 
     var collector = VisionChangeBuilder()
-    manager.context.collectChange(Name.EMPTY, this@flowChanges, mutex) { collector }
+    manager.context.collectChange(Name.EMPTY, this@flowChanges) { collector }
 
     while (currentCoroutineContext().isActive) {
         //Wait for changes to accumulate
@@ -121,11 +119,9 @@ public fun Vision.flowChanges(
         //Propagate updates only if something is changed
         if (!collector.isEmpty()) {
             //emit changes
-            mutex.withLock {
+            emit(collector.isolate(manager))
-                emit(collector.isolate(manager))
+            //Reset the collector
-                //Reset the collector
+            collector = VisionChangeBuilder()
-                collector = VisionChangeBuilder()
-            }
         }
     }
 }

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/VisionTagConsumer.kt

@@ -97,8 +97,8 @@ public abstract class VisionTagConsumer<R>(
         public const val OUTPUT_META_CLASS: String = "visionforge-output-meta"
         public const val OUTPUT_DATA_CLASS: String = "visionforge-output-data"
 
-        public const val OUTPUT_FETCH_VISION_ATTRIBUTE: String = "data-output-fetch-vision"
+        public const val OUTPUT_FETCH_ATTRIBUTE: String = "data-output-fetch"
-        public const val OUTPUT_FETCH_UPDATE_ATTRIBUTE: String = "data-output-fetch-update"
+        public const val OUTPUT_CONNECT_ATTRIBUTE: String = "data-output-connect"
 
         public const val OUTPUT_NAME_ATTRIBUTE: String = "data-output-name"
         public const val OUTPUT_ENDPOINT_ATTRIBUTE: String = "data-output-endpoint"

visionforge-core/src/jsMain/kotlin/hep/dataforge/vision/client/VisionClient.kt

@@ -7,8 +7,9 @@ import hep.dataforge.vision.Vision
 import hep.dataforge.vision.VisionChange
 import hep.dataforge.vision.VisionManager
 import hep.dataforge.vision.html.VisionTagConsumer
+import hep.dataforge.vision.html.VisionTagConsumer.Companion.OUTPUT_CONNECT_ATTRIBUTE
 import hep.dataforge.vision.html.VisionTagConsumer.Companion.OUTPUT_ENDPOINT_ATTRIBUTE
-import hep.dataforge.vision.html.VisionTagConsumer.Companion.OUTPUT_FETCH_UPDATE_ATTRIBUTE
+import hep.dataforge.vision.html.VisionTagConsumer.Companion.OUTPUT_FETCH_ATTRIBUTE
 import hep.dataforge.vision.html.VisionTagConsumer.Companion.OUTPUT_NAME_ATTRIBUTE
 import kotlinx.browser.document
 import kotlinx.browser.window
@@ -23,6 +24,8 @@ public class VisionClient : AbstractPlugin() {
     override val tag: PluginTag get() = Companion.tag
     private val visionManager: VisionManager by require(VisionManager)
 
+    private val visionMap = HashMap<Element, Vision>()
+
     /**
      * Up-going tree traversal in search for endpoint attribute
      */
@@ -39,19 +42,27 @@ public class VisionClient : AbstractPlugin() {
 
     private fun getRenderers() = context.gather<ElementVisionRenderer>(ElementVisionRenderer.TYPE).values
 
-    public fun findRendererFor(vision: Vision): ElementVisionRenderer? =
+    private fun findRendererFor(vision: Vision): ElementVisionRenderer? =
         getRenderers().maxByOrNull { it.rateVision(vision) }
 
     private fun Element.getEmbeddedData(className: String): String? = getElementsByClassName(className)[0]?.innerHTML
 
-    private fun Element.getFlag(attribute: String): Boolean = attributes[attribute]?.value == "true"
+    private fun Element.getFlag(attribute: String): Boolean = attributes[attribute]?.value != null
+
+    private fun renderVision(element: Element, vision: Vision?, outputMeta: Meta) {
+        if (vision != null) {
+            visionMap[element] = vision
+            val renderer = findRendererFor(vision) ?: error("Could nof find renderer for $vision")
+            renderer.render(element, vision, outputMeta)
+        }
+    }
 
     /**
      * Fetch from server and render a vision, described in a given with [VisionTagConsumer.OUTPUT_CLASS] class.
      */
     public fun renderVisionAt(element: Element) {
         val name = resolveName(element) ?: error("The element is not a vision output")
-        console.info("Found DF output with name $name")
+        logger.info { "Found DF output with name $name" }
         if (!element.classList.contains(VisionTagConsumer.OUTPUT_CLASS)) error("The element $element is not an output element")
 
 
@@ -63,66 +74,72 @@ public class VisionClient : AbstractPlugin() {
         val embeddedVision = element.getEmbeddedData(VisionTagConsumer.OUTPUT_DATA_CLASS)?.let {
             visionManager.decodeFromString(it)
         }
+
         if (embeddedVision != null) {
-            val renderer = findRendererFor(embeddedVision) ?: error("Could nof find renderer for $embeddedVision")
+            logger.info { "Found embedded vision for output with name $name" }
-            renderer.render(element, embeddedVision, outputMeta)
+            renderVision(element, embeddedVision, outputMeta)
         }
 
-        if(element.getFlag(VisionTagConsumer.OUTPUT_FETCH_VISION_ATTRIBUTE)) {
+        val endpoint = resolveEndpoint(element)
+        logger.info { "Vision server is resolved to $endpoint" }
 
-            val endpoint = resolveEndpoint(element)
+        element.attributes[OUTPUT_FETCH_ATTRIBUTE]?.let {
-            console.info("Vision server is resolved to $endpoint")
 
             val fetchUrl = URL(endpoint).apply {
                 searchParams.append("name", name)
                 pathname += "/vision"
             }
 
-            console.info("Fetching vision data from $fetchUrl")
+            logger.info { "Fetching vision data from $fetchUrl" }
             window.fetch(fetchUrl).then { response ->
                 if (response.ok) {
                     response.text().then { text ->
                         val vision = visionManager.decodeFromString(text)
-                        val renderer = findRendererFor(vision) ?: error("Could nof find renderer for $vision")
+                        renderVision(element, vision, outputMeta)
-                        renderer.render(element, vision, outputMeta)
-                        if (element.getFlag(OUTPUT_FETCH_UPDATE_ATTRIBUTE)) {
-                            val wsUrl = URL(endpoint).apply {
-                                pathname += "/ws"
-                                protocol = "ws"
-                                searchParams.append("name", name)
-                            }
-                            WebSocket(wsUrl.toString()).apply {
-                                onmessage = { messageEvent ->
-                                    val stringData: String? = messageEvent.data as? String
-                                    if (stringData != null) {
-                                        val dif = visionManager.jsonFormat.decodeFromString(
-                                            VisionChange.serializer(),
-                                            stringData
-                                        )
-                                        vision.update(dif)
-                                    } else {
-                                        console.error("WebSocket message data is not a string")
-                                    }
-                                }
-                                onopen = {
-                                    console.info("WebSocket update channel established for output '$name'")
-                                }
-                                onclose = {
-                                    console.info("WebSocket update channel closed for output '$name'")
-                                }
-                                onerror = {
-                                    console.error("WebSocket update channel error for output '$name'")
-                                }
-                            }
-
-                        }
                     }
                 } else {
-                    console.error("Failed to fetch initial vision state from $endpoint")
+                    logger.error { "Failed to fetch initial vision state from $endpoint" }
                 }
 
             }
         }
+
+        element.attributes[OUTPUT_CONNECT_ATTRIBUTE]?.let {
+
+            val wsUrl = URL(endpoint).apply {
+                pathname += "/ws"
+                protocol = "ws"
+                searchParams.append("name", name)
+            }
+
+            logger.info { "Updating vision data from $wsUrl" }
+
+            val ws = WebSocket(wsUrl.toString()).apply {
+                onmessage = { messageEvent ->
+                    val stringData: String? = messageEvent.data as? String
+                    if (stringData != null) {
+                        val dif = visionManager.jsonFormat.decodeFromString(
+                            VisionChange.serializer(),
+                            stringData
+                        )
+                        logger.debug { "Got update $dif for output with name $name" }
+                        visionMap[element]?.update(dif)
+                            ?: logger.info { "Target vision for element $element with name $name not found" }
+                    } else {
+                        console.error("WebSocket message data is not a string")
+                    }
+                }
+                onopen = {
+                    console.info("WebSocket update channel established for output '$name'")
+                }
+                onclose = {
+                    console.info("WebSocket update channel closed for output '$name'")
+                }
+                onerror = {
+                    console.error("WebSocket update channel error for output '$name'")
+                }
+            }
+        }
     }
 
     public companion object : PluginFactory<VisionClient> {

visionforge-core/src/jsMain/kotlin/hep/dataforge/vision/client/elementOutput.kt

@@ -26,36 +26,3 @@ public interface ElementVisionRenderer {
         public const val DEFAULT_RATING: Int = 10
     }
 }
-//
-//@DFExperimental
-//public fun Map<String, Vision>.bind(rendererFactory: (Vision) -> ElementVisionRenderer) {
-//    forEach { (id, vision) ->
-//        val element = document.getElementById(id) ?: error("Could not find element with id $id")
-//        rendererFactory(vision).render(element, vision)
-//    }
-//}
-//
-//@DFExperimental
-//public fun Element.renderAllVisions(
-//    visionProvider: (Name) -> Vision,
-//    rendererFactory: (Vision) -> ElementVisionRenderer,
-//) {
-//    val elements = getElementsByClassName(VisionTagConsumer.OUTPUT_CLASS)
-//    elements.asList().forEach { element ->
-//        val name = element.attributes[VisionTagConsumer.OUTPUT_NAME_ATTRIBUTE]?.value
-//        if (name == null) {
-//            console.error("Attribute ${VisionTagConsumer.OUTPUT_NAME_ATTRIBUTE} not defined in the output element")
-//            return@forEach
-//        }
-//        val vision = visionProvider(name.toName())
-//        rendererFactory(vision).render(element, vision)
-//    }
-//}
-//
-//@DFExperimental
-//public fun Document.renderAllVisions(
-//    visionProvider: (Name) -> Vision,
-//    rendererFactory: (Vision) -> ElementVisionRenderer,
-//): Unit {
-//    documentElement?.renderAllVisions(visionProvider, rendererFactory)
-//}

visionforge-fx/src/main/kotlin/hep/dataforge/vision/editor/ColorValueChooser.kt

@@ -6,7 +6,6 @@ import hep.dataforge.names.asName
 import hep.dataforge.values.Null
 import hep.dataforge.values.Value
 import hep.dataforge.values.asValue
-import hep.dataforge.values.string
 import javafx.scene.control.ColorPicker
 import javafx.scene.paint.Color
 import org.slf4j.LoggerFactory

visionforge-fx/src/main/kotlin/hep/dataforge/vision/editor/ComboBoxValueChooser.kt

@@ -12,7 +12,6 @@ import hep.dataforge.names.Name
 import hep.dataforge.names.asName
 import hep.dataforge.values.Value
 import hep.dataforge.values.parseValue
-import hep.dataforge.values.string
 import javafx.collections.FXCollections
 import javafx.scene.control.ComboBox
 import javafx.util.StringConverter

visionforge-fx/src/main/kotlin/hep/dataforge/vision/editor/MetaViewer.kt

@@ -17,7 +17,6 @@
 package hep.dataforge.vision.editor
 
 import hep.dataforge.meta.Meta
-import hep.dataforge.values.string
 import hep.dataforge.vision.dfIconView
 import javafx.beans.property.SimpleStringProperty
 import javafx.scene.control.TreeItem

visionforge-fx/src/main/kotlin/hep/dataforge/vision/solid/FXMaterials.kt

@@ -6,7 +6,6 @@ import hep.dataforge.meta.get
 import hep.dataforge.meta.int
 import hep.dataforge.values.ValueType
 import hep.dataforge.values.int
-import hep.dataforge.values.string
 import hep.dataforge.vision.Colors
 import javafx.scene.paint.Color
 import javafx.scene.paint.Material

visionforge-server/src/main/kotlin/hep/dataforge/vision/three/server/VisionServer.kt

@@ -74,8 +74,8 @@ public class VisionServer internal constructor(
                 visionMap[name] = vision
 
                 // Toggle updates
-                attributes[OUTPUT_FETCH_VISION_ATTRIBUTE] = "true"
+                attributes[OUTPUT_FETCH_ATTRIBUTE] = "true"
-                attributes[OUTPUT_FETCH_UPDATE_ATTRIBUTE] = "true"
+                attributes[OUTPUT_CONNECT_ATTRIBUTE] = "true"
             }
         }
 

visionforge-threejs/src/main/kotlin/hep/dataforge/vision/solid/three/ThreeMaterials.kt

@@ -3,7 +3,6 @@ package hep.dataforge.vision.solid.three
 import hep.dataforge.meta.*
 import hep.dataforge.values.ValueType
 import hep.dataforge.values.int
-import hep.dataforge.values.string
 import hep.dataforge.vision.Colors
 import hep.dataforge.vision.Vision
 import hep.dataforge.vision.solid.SolidMaterial