Merge remote-tracking branch 'upstream/dev' into dev

dataforge-vis-common/build.gradle.kts

@@ -6,6 +6,10 @@ val dataforgeVersion: String by rootProject.extra
 //val kvisionVersion: String by rootProject.extra("2.0.0-M1")
 
 kotlin {
+    js {
+        useCommonJs()
+    }
+
     sourceSets {
         commonMain {
             dependencies {

dataforge-vis-common/src/commonMain/kotlin/hep/dataforge/properties/ConfigProperty.kt

@@ -0,0 +1,24 @@
+package hep.dataforge.properties
+
+import hep.dataforge.meta.Config
+import hep.dataforge.meta.MetaItem
+import hep.dataforge.meta.get
+import hep.dataforge.names.Name
+
+class ConfigProperty(val config: Config, val name: Name) : Property<MetaItem<*>?> {
+    override var value: MetaItem<*>?
+        get() = config[name]
+        set(value) {
+            config[name] = value
+        }
+
+    override fun onChange(owner: Any?, callback: (MetaItem<*>?) -> Unit) {
+        config.onChange(owner) { name, oldItem, newItem ->
+            if (name == this.name && oldItem != newItem) callback(newItem)
+        }
+    }
+
+    override fun removeChangeListener(owner: Any?) {
+        config.removeListener(owner)
+    }
+}

dataforge-vis-common/src/commonMain/kotlin/hep/dataforge/properties/Property.kt

@@ -0,0 +1,57 @@
+package hep.dataforge.properties
+
+import hep.dataforge.meta.DFExperimental
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.channels.awaitClose
+import kotlinx.coroutines.flow.callbackFlow
+import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.launch
+
+//TODO move to core
+
+interface Property<T> {
+    var value: T
+
+    fun onChange(owner: Any? = null, callback: (T) -> Unit)
+    fun removeChangeListener(owner: Any? = null)
+}
+
+@OptIn(ExperimentalCoroutinesApi::class)
+fun <T> Property<T>.flow() = callbackFlow<T> {
+    send(value)
+    onChange(this) {
+        //TODO add exception handler?
+        launch {
+            send(it)
+        }
+    }
+    awaitClose { removeChangeListener(this) }
+}
+
+/**
+ * Reflect all changes in the [source] property onto this property
+ *
+ * @return a mirroring job
+ */
+fun <T> Property<T>.mirror(source: Property<T>, scope: CoroutineScope): Job {
+    return scope.launch {
+        source.flow().collect {
+            value = it
+        }
+    }
+}
+
+/**
+ * Bi-directional connection between properties
+ */
+@DFExperimental
+fun <T> Property<T>.bind(other: Property<T>) {
+    onChange(other) {
+        other.value = it
+    }
+    other.onChange {
+        this.value = it
+    }
+}

dataforge-vis-common/src/commonMain/kotlin/hep/dataforge/vis/AbstractVisualObject.kt

@@ -1,9 +1,11 @@
 package hep.dataforge.vis
 
 import hep.dataforge.meta.*
+import hep.dataforge.meta.descriptors.NodeDescriptor
 import hep.dataforge.names.Name
 import hep.dataforge.names.asName
 import hep.dataforge.values.Value
+import hep.dataforge.values.ValueType
 import hep.dataforge.vis.VisualObject.Companion.STYLE_KEY
 import kotlinx.serialization.Transient
 
@@ -19,15 +21,15 @@ abstract class AbstractVisualObject : VisualObject {
 
     protected abstract var properties: Config?
 
-    override var styles: List<String>
+    final override var styles: List<String>
         get() = properties?.get(STYLE_KEY).stringList
         set(value) {
-            //val allStyles = (field + value).distinct()
             setProperty(STYLE_KEY, Value.of(value))
             updateStyles(value)
         }
 
     protected fun updateStyles(names: List<String>) {
+        styleCache = null
         names.mapNotNull { findStyle(it) }.asSequence()
             .flatMap { it.items.asSequence() }
             .distinctBy { it.key }
@@ -77,7 +79,7 @@ abstract class AbstractVisualObject : VisualObject {
     /**
      * All available properties in a layered form
      */
-    override fun allProperties(): Laminate = Laminate(properties, mergedStyles)
+    override fun allProperties(): Laminate = Laminate(properties, mergedStyles, parent?.allProperties())
 
     override fun getProperty(name: Name, inherit: Boolean): MetaItem<*>? {
         return if (inherit) {
@@ -86,6 +88,16 @@ abstract class AbstractVisualObject : VisualObject {
             properties?.get(name) ?: mergedStyles[name]
         }
     }
+
+    companion object {
+        val descriptor = NodeDescriptor {
+            defineValue(STYLE_KEY){
+                type(ValueType.STRING)
+                multiple = true
+            }
+        }
+
+    }
 }
 
 //fun VisualObject.findStyle(styleName: Name): Meta? {

dataforge-vis-common/src/jsMain/kotlin/hep/dataforge/js/bindings.kt

@@ -0,0 +1,30 @@
+package hep.dataforge.js
+
+import hep.dataforge.properties.Property
+import org.w3c.dom.HTMLInputElement
+
+fun HTMLInputElement.bindValue(property: Property<String>) {
+    if (this.onchange != null) error("Input element already bound")
+    this.onchange = {
+        property.value = this.value
+        Unit
+    }
+    property.onChange(this) {
+        if (value != it) {
+            value = it
+        }
+    }
+}
+
+fun HTMLInputElement.bindChecked(property: Property<Boolean>) {
+    if (this.onchange != null) error("Input element already bound")
+    this.onchange = {
+        property.value = this.checked
+        Unit
+    }
+    property.onChange(this) {
+        if (checked != it) {
+            checked = it
+        }
+    }
+}

dataforge-vis-common/src/jsMain/kotlin/hep/dataforge/js/bootstrap.kt

@@ -16,9 +16,11 @@ inline fun TagConsumer<HTMLElement>.card(title: String, crossinline block: TagCo
 }
 
 inline fun RBuilder.card(title: String, crossinline block: RBuilder.() -> Unit) {
-    div("card w-100") {
+    div("card w-100 h-100") {
         div("card-body") {
-            h3(classes = "card-title") { +title }
+            h3(classes = "card-title") {
+                +title
+            }
             block()
         }
     }
@@ -78,7 +80,7 @@ fun RBuilder.accordion(id: String, elements: List<Pair<String, RDOMBuilder<DIV>.
             elements.forEachIndexed { index, (title, builder) ->
                 val headerID = "${id}-${index}-heading"
                 val collapseID = "${id}-${index}-collapse"
-                div("card") {
+                div("card p-0 m-0") {
                     div("card-header") {
                         attrs {
                             this.id = headerID

dataforge-vis-common/src/jsMain/kotlin/hep/dataforge/js/react.kt

@@ -1,10 +1,28 @@
 package hep.dataforge.js
 
-import react.RBuilder
+import react.*
 import kotlin.properties.ReadWriteProperty
 import kotlin.reflect.KProperty
 
-fun <T> RBuilder.initState(init: () -> T): ReadWriteProperty<Any?, T> =
+class RFBuilder : RBuilder()
+
+/**
+ * Get functional component from [func]
+ */
+fun <P : RProps> component(
+    func: RFBuilder.(props: P) -> Unit
+): FunctionalComponent<P> {
+    return { props: P ->
+        val nodes = RFBuilder().apply { func(props) }.childList
+        when (nodes.size) {
+            0 -> null
+            1 -> nodes.first()
+            else -> createElement(Fragment, kotlinext.js.js {}, *nodes.toTypedArray())
+        }
+    }
+}
+
+fun <T> RFBuilder.state(init: () -> T): ReadWriteProperty<Any?, T> =
     object : ReadWriteProperty<Any?, T> {
         val pair = react.useState(init)
         override fun getValue(thisRef: Any?, property: KProperty<*>): T {
@@ -16,3 +34,5 @@ fun <T> RBuilder.initState(init: () -> T): ReadWriteProperty<Any?, T> =
         }
     }
 
+fun <T> RFBuilder.memoize(vararg deps: dynamic, builder: () -> T): T = useMemo(builder, deps)
+

dataforge-vis-common/src/jsMain/kotlin/hep/dataforge/vis/editor/ConfigEditorComponent.kt

@@ -1,28 +1,22 @@
 package hep.dataforge.vis.editor
 
+import hep.dataforge.js.RFBuilder
+import hep.dataforge.js.component
+import hep.dataforge.js.state
 import hep.dataforge.meta.*
 import hep.dataforge.meta.descriptors.*
 import hep.dataforge.names.Name
 import hep.dataforge.names.NameToken
 import hep.dataforge.names.plus
-import hep.dataforge.values.*
-import hep.dataforge.vis.widgetType
-import kotlinx.html.ButtonType
-import kotlinx.html.InputType
 import kotlinx.html.classes
-import kotlinx.html.js.onChangeFunction
 import kotlinx.html.js.onClickFunction
 import org.w3c.dom.Element
-import org.w3c.dom.HTMLInputElement
-import org.w3c.dom.HTMLSelectElement
 import org.w3c.dom.events.Event
-import react.RBuilder
+import react.*
-import react.RComponent
-import react.RProps
 import react.dom.*
-import react.setState
 
 interface ConfigEditorProps : RProps {
+
     /**
      * Root config object - always non null
      */
@@ -42,126 +36,50 @@ interface ConfigEditorProps : RProps {
      * Root descriptor
      */
     var descriptor: NodeDescriptor?
-
 }
 
-class ConfigEditorComponent : RComponent<ConfigEditorProps, TreeState>() {
+private fun RFBuilder.configEditorItem(props: ConfigEditorProps) {
-
+    var expanded: Boolean by state { true }
-    override fun TreeState.init() {
-        expanded = true
-    }
-
-    override fun componentDidMount() {
-        props.root.onChange(this) { name, _, _ ->
-            if (name == props.name) {
-                forceUpdate()
-            }
-        }
-    }
-
-    override fun componentWillUnmount() {
-        props.root.removeListener(this)
-    }
-
-    private val onClick: (Event) -> Unit = {
-        setState {
-            expanded = !expanded
-        }
-    }
-
-    private val onValueChange: (Event) -> Unit = {
-        val value = when (val t = it.target) {
-            // (it.target as HTMLInputElement).value
-            is HTMLInputElement -> if (t.type == "checkbox") {
-                if (t.checked) True else False
-            } else {
-                t.value.asValue()
-            }
-            is HTMLSelectElement -> t.value.asValue()
-            else -> error("Unknown event target: $t")
-        }
-        try {
-            props.root.setValue(props.name, value)
-        } catch (ex: Exception) {
-            console.error("Can't set config property ${props.name} to $value")
-        }
-    }
-
-    private val removeValue: (Event) -> Unit = {
-        props.root.remove(props.name)
-    }
-
-    //TODO replace by separate components
-    private fun RBuilder.valueChooser(value: Value, descriptor: ValueDescriptor?) {
-        val type = descriptor?.type?.firstOrNull()
-        when {
-            type == ValueType.BOOLEAN -> {
-                input(type = InputType.checkBox, classes = "float-right") {
-                    attrs {
-                        defaultChecked = value.boolean
-                        onChangeFunction = onValueChange
-                    }
-                }
-            }
-            type == ValueType.NUMBER -> input(type = InputType.number, classes = "float-right") {
-                attrs {
-                    descriptor.attributes["step"].string?.let {
-                        step = it
-                    }
-                    descriptor.attributes["min"].string?.let {
-                        min = it
-                    }
-                    descriptor.attributes["max"].string?.let {
-                        max = it
-                    }
-                    defaultValue = value.string
-                    onChangeFunction = onValueChange
-                }
-            }
-            descriptor?.allowedValues?.isNotEmpty() ?: false -> select("float-right") {
-                descriptor!!.allowedValues.forEach {
-                    option {
-                        +it.string
-                    }
-                }
-                attrs {
-                    multiple = false
-                    onChangeFunction = onValueChange
-                }
-            }
-            descriptor?.widgetType == "color" -> input(type = InputType.color, classes = "float-right") {
-                attrs {
-                    defaultValue = value.string
-                    onChangeFunction = onValueChange
-                }
-            }
-            else -> input(type = InputType.text, classes = "float-right") {
-                attrs {
-                    defaultValue = value.string
-                    onChangeFunction = onValueChange
-                }
-            }
-        }
-
-    }
-
-
-    override fun RBuilder.render() {
     val item = props.root[props.name]
     val descriptorItem: ItemDescriptor? = props.descriptor?.get(props.name)
     val defaultItem = props.default?.get(props.name)
-        val actualItem = item ?: defaultItem ?: descriptorItem?.defaultItem()
+    val actualItem: MetaItem<Meta>? = item ?: defaultItem ?: descriptorItem?.defaultItem()
+
     val token = props.name.last()?.toString() ?: "Properties"
 
+    var kostyl by state { false }
+
+    fun update() {
+        kostyl = !kostyl
+    }
+
+    useEffectWithCleanup(listOf(props.root)) {
+        props.root.onChange(this) { name, _, _ ->
+            if (name == props.name) {
+                update()
+            }
+        }
+        return@useEffectWithCleanup { props.root.removeListener(this) }
+    }
+
+    val expanderClick: (Event) -> Unit = {
+        expanded = !expanded
+    }
+
+    val removeClick: (Event) -> Unit = {
+        props.root.remove(props.name)
+        update()
+    }
+
     when (actualItem) {
         is MetaItem.NodeItem -> {
             div {
                 span("tree-caret") {
                     attrs {
-                            if (state.expanded) {
+                        if (expanded) {
                             classes += "tree-caret-down"
                         }
-                            onClickFunction = onClick
+                        onClickFunction = expanderClick
                     }
                 }
                 span("tree-label") {
@@ -173,26 +91,19 @@ class ConfigEditorComponent : RComponent<ConfigEditorProps, TreeState>() {
                     }
                 }
             }
-                if (state.expanded) {
+            if (expanded) {
                 ul("tree") {
                     val keys = buildSet<NameToken> {
-                            item?.node?.items?.keys?.let { addAll(it) }
-                            defaultItem?.node?.items?.keys?.let { addAll(it) }
                         (descriptorItem as? NodeDescriptor)?.items?.keys?.forEach {
                             add(NameToken(it))
                         }
+                        item?.node?.items?.keys?.let { addAll(it) }
+                        defaultItem?.node?.items?.keys?.let { addAll(it) }
                     }
 
                     keys.forEach { token ->
-                            li("tree-item") {
+                        li("tree-item align-middle") {
-                                child(ConfigEditorComponent::class) {
+                            configEditor(props.root, props.name + token, props.descriptor, props.default)
-                                    attrs {
-                                        this.root = props.root
-                                        this.name = props.name + token
-                                        this.default = props.default
-                                        this.descriptor = props.descriptor
-                                    }
-                                }
                         }
                     }
                 }
@@ -200,9 +111,8 @@ class ConfigEditorComponent : RComponent<ConfigEditorProps, TreeState>() {
         }
         is MetaItem.ValueItem -> {
             div {
-                    div("row") {
+                div("d-flex flex-row align-items-center") {
-                        div("col") {
+                    div("flex-grow-1 p-1 mr-auto tree-label") {
-                            p("tree-label") {
                         +token
                         attrs {
                             if (item == null) {
@@ -210,71 +120,51 @@ class ConfigEditorComponent : RComponent<ConfigEditorProps, TreeState>() {
                             }
                         }
                     }
+                    div("d-inline-flex") {
+                        valueChooser(props.root, props.name, actualItem.value, descriptorItem as? ValueDescriptor)
                     }
-                        div("col") {
+                    div("d-inline-flex p-1") {
-                            valueChooser(actualItem.value, descriptorItem as? ValueDescriptor)
+                        button(classes = "btn btn-link") {
-                        }
+                            +"\u00D7"
-                        div("col-auto") {
-                            div("dropleft p-0") {
-                                button(classes = "btn btn-outline-primary") {
                             attrs {
-                                        type = ButtonType.button
+                                if (item == null) {
-                                        attributes["data-toggle"] = "dropdown"
+                                    disabled = true
-                                        attributes["aria-haspopup"] = "true"
+                                } else {
-                                        attributes["aria-expanded"] = "false"
+                                    onClickFunction = removeClick
-                                        attributes["data-boundary"] = "viewport"
-                                    }
-                                    +"\u22ee"
-                                }
-                                div(classes = "dropdown-menu") {
-                                    button(classes = "btn btn-outline dropdown-item") {
-                                        +"Info"
-                                    }
-                                    if (item != null) {
-                                        button(classes = "btn btn-outline dropdown-item") {
-                                            +"""Clear"""
-                                        }
-                                        attrs {
-                                            onClickFunction = removeValue
                                 }
                             }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
 
-                                }
+val ConfigEditor: FunctionalComponent<ConfigEditorProps> = component { configEditorItem(it) }
-                            }
+
-                        }
+fun RBuilder.configEditor(
-                    }
+    config: Config,
-                }
+    name: Name = Name.EMPTY,
-            }
+    descriptor: NodeDescriptor? = null,
+    default: Meta? = null
+) {
+    child(ConfigEditor) {
+        attrs {
+            this.root = config
+            this.name = name
+            this.descriptor = descriptor
+            this.default = default
         }
     }
 }
 
 fun Element.configEditor(config: Config, descriptor: NodeDescriptor? = null, default: Meta? = null) {
     render(this) {
-        child(ConfigEditorComponent::class) {
+        configEditor(config, Name.EMPTY, descriptor, default)
-            attrs {
-                root = config
-                name = Name.EMPTY
-                this.descriptor = descriptor
-                this.default = default
-            }
-        }
-    }
-}
-
-fun RBuilder.configEditor(config: Config, descriptor: NodeDescriptor? = null, default: Meta? = null) {
-    div {
-        child(ConfigEditorComponent::class) {
-            attrs {
-                root = config
-                name = Name.EMPTY
-                this.descriptor = descriptor
-                this.default = default
-            }
-        }
     }
 }
 
 fun RBuilder.configEditor(obj: Configurable, descriptor: NodeDescriptor? = obj.descriptor, default: Meta? = null) {
-    configEditor(obj.config, descriptor ?: obj.descriptor, default)
+    configEditor(obj.config, Name.EMPTY, descriptor ?: obj.descriptor, default)
 }

dataforge-vis-common/src/jsMain/kotlin/hep/dataforge/vis/editor/ObjectTree.kt

@@ -1,7 +1,9 @@
 package hep.dataforge.vis.editor
 
+import hep.dataforge.js.RFBuilder
 import hep.dataforge.js.card
-import hep.dataforge.js.initState
+import hep.dataforge.js.component
+import hep.dataforge.js.state
 import hep.dataforge.names.Name
 import hep.dataforge.names.plus
 import hep.dataforge.names.startsWith
@@ -26,15 +28,15 @@ interface TreeState : RState {
     var expanded: Boolean
 }
 
-private fun RBuilder.objectTree(props: ObjectTreeProps): Unit {
+private fun RFBuilder.objectTree(props: ObjectTreeProps): Unit {
-    var expanded: Boolean by initState{ props.selected?.startsWith(props.name) ?: false }
+    var expanded: Boolean by state{ props.selected?.startsWith(props.name) ?: false }
 
     val onClick: (Event) -> Unit = {
         expanded = !expanded
     }
 
     fun RBuilder.treeLabel(text: String) {
-        button(classes = "btn btn-link tree-label p-0") {
+        button(classes = "btn btn-link align-middle tree-label p-0") {
             +text
             attrs {
                 if (props.name == props.selected) {
@@ -90,7 +92,7 @@ private fun RBuilder.objectTree(props: ObjectTreeProps): Unit {
     }
 }
 
-val ObjectTree: FunctionalComponent<ObjectTreeProps> = functionalComponent { props ->
+val ObjectTree: FunctionalComponent<ObjectTreeProps> = component { props ->
     objectTree(props)
 }
 

dataforge-vis-common/src/jsMain/kotlin/hep/dataforge/vis/editor/valueChooser.kt

@@ -0,0 +1,90 @@
+package hep.dataforge.vis.editor
+
+import hep.dataforge.meta.Config
+import hep.dataforge.meta.descriptors.ValueDescriptor
+import hep.dataforge.meta.get
+import hep.dataforge.meta.setValue
+import hep.dataforge.meta.string
+import hep.dataforge.names.Name
+import hep.dataforge.values.*
+import hep.dataforge.vis.widgetType
+import kotlinx.html.InputType
+import kotlinx.html.js.onChangeFunction
+import org.w3c.dom.HTMLInputElement
+import org.w3c.dom.HTMLSelectElement
+import org.w3c.dom.events.Event
+import react.RBuilder
+import react.dom.*
+
+internal fun RBuilder.valueChooser(root: Config, name: Name, value: Value, descriptor: ValueDescriptor?) {
+    val onValueChange: (Event) -> Unit = {
+        val res = when (val t = it.target) {
+            // (it.target as HTMLInputElement).value
+            is HTMLInputElement -> if (t.type == "checkbox") {
+                if (t.checked) True else False
+            } else {
+                t.value.asValue()
+            }
+            is HTMLSelectElement -> t.value.asValue()
+            else -> error("Unknown event target: $t")
+        }
+
+        try {
+            root.setValue(name, res)
+        } catch (ex: Exception) {
+            console.error("Can't set config property ${name} to $res")
+        }
+    }
+
+    div() {
+        val type = descriptor?.type?.firstOrNull()
+        when {
+            type == ValueType.BOOLEAN -> {
+                input(type = InputType.checkBox) {
+                    attrs {
+                        checked = value.boolean
+                        onChangeFunction = onValueChange
+                    }
+                }
+            }
+            type == ValueType.NUMBER -> input(type = InputType.number, classes = "form-control w-100") {
+                attrs {
+                    descriptor.attributes["step"].string?.let {
+                        step = it
+                    }
+                    descriptor.attributes["min"].string?.let {
+                        min = it
+                    }
+                    descriptor.attributes["max"].string?.let {
+                        max = it
+                    }
+                    this.defaultValue = value.string
+                    onChangeFunction = onValueChange
+                }
+            }
+            descriptor?.allowedValues?.isNotEmpty() ?: false -> select (classes = "w-100") {
+                descriptor!!.allowedValues.forEach {
+                    option {
+                        +it.string
+                    }
+                }
+                attrs {
+                    multiple = false
+                    onChangeFunction = onValueChange
+                }
+            }
+            descriptor?.widgetType == "color" -> input(type = InputType.color) {
+                attrs {
+                    this.value = value.string
+                    onChangeFunction = onValueChange
+                }
+            }
+            else -> input(type = InputType.text, classes = "form-control w-100") {
+                attrs {
+                    this.value = value.string
+                    onChangeFunction = onValueChange
+                }
+            }
+        }
+    }
+}

dataforge-vis-common/src/jsMain/kotlin/hep/dataforge/vis/editor/valueChoosers.kt

@@ -1,11 +0,0 @@
-package hep.dataforge.vis.editor
-
-//val TextValueChooser = functionalComponent<ConfigEditorProps> {
-//
-//    input(type = InputType.number, classes = "float-right") {
-//        attrs {
-//            defaultValue = value.string
-//            onChangeFunction = onValueChange
-//        }
-//    }
-//}

dataforge-vis-common/src/jsMain/resources/css/main.css

@@ -36,7 +36,7 @@ ul, .tree {
 }
 
 .tree-label-inactive {
-    color: gray;
+    color: lightgrey;
 }
 
 .tree-label-selected{

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Material3D.kt

@@ -56,14 +56,12 @@ class Material3D : Scheme() {
                 defineValue(OPACITY_KEY) {
                     type(ValueType.NUMBER)
                     default(1.0)
-                    configure {
+                    config["attributes"] = Meta {
-                        "attributes" to {
                         this["min"] = 0.0
                         this["max"] = 1.0
                         this["step"] = 0.1
                     }
                 }
-                }
                 defineValue(WIREFRAME_KEY) {
                     type(ValueType.BOOLEAN)
                     default(false)

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Proxy.kt

@@ -79,7 +79,8 @@ class Proxy private constructor(
             ?: error("Prototype with name $name not found in $this")
     }
 
-    override fun allProperties(): Laminate = Laminate(properties, mergedStyles, prototype.allProperties())
+    override fun allProperties(): Laminate =
+        Laminate(properties, mergedStyles, prototype.allProperties(), parent?.allProperties())
 
     override fun attachChildren() {
         //do nothing
@@ -135,7 +136,8 @@ class Proxy private constructor(
             //do nothing
         }
 
-        override fun allProperties(): Laminate = Laminate(properties, mergedStyles, prototype.allProperties())
+        override fun allProperties(): Laminate =
+            Laminate(properties, mergedStyles, prototype.allProperties(), parent?.allProperties())
 
     }
 

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/VisualObject3D.kt

@@ -24,6 +24,8 @@ interface VisualObject3D : VisualObject {
     var rotation: Point3D?
     var scale: Point3D?
 
+    override val descriptor: NodeDescriptor? get() = Companion.descriptor
+
     companion object {
 
         val VISIBLE_KEY = "visible".asName()
@@ -66,12 +68,13 @@ interface VisualObject3D : VisualObject {
                     default(true)
                 }
 
+                //TODO replace by descriptor merge
+                defineValue(VisualObject.STYLE_KEY){
+                    type(ValueType.STRING)
+                    multiple = true
+                }
+
                 defineItem(Material3D.MATERIAL_KEY.toString(), Material3D.descriptor)
-
-//                Material3D.MATERIAL_COLOR_KEY put "#ffffff"
-//                Material3D.MATERIAL_OPACITY_KEY put 1.0
-//                Material3D.MATERIAL_WIREFRAME_KEY put false
-
             }
         }
     }

dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/MeshThreeFactory.kt

@@ -80,7 +80,7 @@ abstract class MeshThreeFactory<in T : VisualObject3D>(
 }
 
 fun Mesh.applyEdges(obj: VisualObject3D) {
-    children.find { it.name == "edges" }?.let {
+    children.find { it.name == "@edges" }?.let {
         remove(it)
         (it as LineSegments).dispose()
     }
@@ -93,14 +93,14 @@ fun Mesh.applyEdges(obj: VisualObject3D) {
                 EdgesGeometry(geometry as BufferGeometry),
                 material
             ).apply {
-                name = "edges"
+                name = "@edges"
             }
         )
     }
 }
 
 fun Mesh.applyWireFrame(obj: VisualObject3D) {
-    children.find { it.name == "wireframe" }?.let {
+    children.find { it.name == "@wireframe" }?.let {
         remove(it)
         (it as LineSegments).dispose()
     }
@@ -112,7 +112,7 @@ fun Mesh.applyWireFrame(obj: VisualObject3D) {
                 WireframeGeometry(geometry as BufferGeometry),
                 material
             ).apply {
-                name = "wireframe"
+                name = "@wireframe"
             }
         )
     }

dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeCanvas.kt

@@ -109,10 +109,10 @@ class ThreeCanvas(element: HTMLElement, val three: ThreePlugin, val canvas: Canv
 
         element.appendChild(renderer.domElement)
 
-        renderer.setSize(max(canvas.minSize, element.offsetWidth), max(canvas.minSize, element.offsetWidth))
+        renderer.setSize(max(canvas.minSize, element.clientWidth), max(canvas.minSize, element.clientWidth))
 
-        element.onresize = {
+        window.onresize = {
-            renderer.setSize(element.offsetWidth, element.offsetWidth)
+            renderer.setSize(element.clientWidth, element.clientWidth)
             camera.updateProjectionMatrix()
         }
 

dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeCanvasComponent.kt

@@ -43,11 +43,6 @@ class ThreeCanvasComponent : RComponent<ThreeCanvasProps, ThreeCanvasState>() {
         canvas?.render(props.obj)
     }
 
-//    override fun componentWillUnmount() {
-//        state.element?.clear()
-//        props.canvasCallback?.invoke(null)
-//    }
-
     override fun componentDidUpdate(prevProps: ThreeCanvasProps, prevState: ThreeCanvasState, snapshot: Any) {
         if (prevProps.obj != props.obj) {
             componentDidMount()

demo/muon-monitor/src/jsMain/kotlin/ru/mipt/npm/muon/monitor/MMAppComponent.kt

@@ -2,13 +2,14 @@ package ru.mipt.npm.muon.monitor
 
 import hep.dataforge.context.Context
 import hep.dataforge.js.card
+import hep.dataforge.js.component
+import hep.dataforge.js.state
 import hep.dataforge.names.Name
 import hep.dataforge.names.NameToken
 import hep.dataforge.names.isEmpty
 import hep.dataforge.vis.VisualObject
 import hep.dataforge.vis.editor.configEditor
 import hep.dataforge.vis.editor.objectTree
-import hep.dataforge.vis.spatial.VisualObject3D
 import hep.dataforge.vis.spatial.specifications.Camera
 import hep.dataforge.vis.spatial.specifications.Canvas
 import hep.dataforge.vis.spatial.three.ThreeCanvas
@@ -19,7 +20,7 @@ import io.ktor.client.request.get
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 import kotlinx.html.js.onClickFunction
-import react.*
+import react.RProps
 import react.dom.*
 import kotlin.math.PI
 
@@ -27,38 +28,36 @@ interface MMAppProps : RProps {
     var model: Model
     var context: Context
     var connection: HttpClient
-}
-
-interface MMAppState : RState {
     var selected: Name?
-    var canvas: ThreeCanvas?
 }
 
-class MMAppComponent : RComponent<MMAppProps, MMAppState>() {
+private val canvasConfig = Canvas {
-
-    private val onSelect: (Name?) -> Unit = {
-        setState {
-            selected = it
-        }
-    }
-
-    private val canvasConfig = Canvas {
     camera = Camera {
         distance = 2100.0
         latitude = PI / 6
         azimuth = PI + PI / 6
     }
+}
+
+val MMApp = component<MMAppProps> { props ->
+    var selected by state { props.selected }
+    var canvas: ThreeCanvas? by state { null }
+
+    val select: (Name?) -> Unit = {
+        selected = it
     }
 
-    override fun RBuilder.render() {
     val visual = props.model.root
-        val selected = state.selected
-
     div("row") {
-            div("col-lg-3") {
+        h1("mx-auto") {
+            +"Muon monitor demo"
+        }
+    }
+    div("row") {
+        div("col-lg-3 mh-100 px-0") {
             //tree
             card("Object tree") {
-                    objectTree(visual, selected, onSelect)
+                objectTree(visual, selected, select)
             }
         }
         div("col-lg-6") {
@@ -69,19 +68,17 @@ class MMAppComponent : RComponent<MMAppProps, MMAppState>() {
                     this.obj = visual
                     this.options = canvasConfig
                     this.selected = selected
-                        this.clickCallback = onSelect
+                    this.clickCallback = select
                     this.canvasCallback = {
-                            setState {
                         canvas = it
                     }
                 }
             }
         }
-            }
         div("col-lg-3") {
             div("row") {
                 //settings
-                    state.canvas?.let {
+                canvas?.let {
                     card("Canvas configuration") {
                         canvasControls(it)
                     }
@@ -120,16 +117,14 @@ class MMAppComponent : RComponent<MMAppProps, MMAppState>() {
                                     +"World"
                                     attrs {
                                         onClickFunction = {
-                                                setState {
+                                            selected = hep.dataforge.names.Name.EMPTY
-                                                    this.selected = Name.EMPTY
-                                                }
                                         }
                                     }
                                 }
                             }
                             if (selected != null) {
-                                    val tokens = ArrayList<NameToken>(selected.length)
+                                val tokens = ArrayList<NameToken>(selected?.length ?: 1)
-                                    selected.tokens.forEach { token ->
+                                selected?.tokens?.forEach { token ->
                                     tokens.add(token)
                                     val fullName = Name(tokens.toList())
                                     li("breadcrumb-item") {
@@ -137,10 +132,8 @@ class MMAppComponent : RComponent<MMAppProps, MMAppState>() {
                                             +token.toString()
                                             attrs {
                                                 onClickFunction = {
-                                                        setState {
                                                     console.log("Selected = $fullName")
-                                                            this.selected = fullName
+                                                    selected = fullName
-                                                        }
                                                 }
                                             }
                                         }
@@ -153,19 +146,20 @@ class MMAppComponent : RComponent<MMAppProps, MMAppState>() {
             }
             div("row") {
                 //properties
-                    if (selected != null) {
+                card("Properties") {
+                    selected.let { selected ->
                         val selectedObject: VisualObject? = when {
+                            selected == null -> null
                             selected.isEmpty() -> visual
                             else -> visual[selected]
                         }
                         if (selectedObject != null) {
-                            card("Properties") {
+                            configEditor(selectedObject, default = selectedObject.allProperties())
-                                configEditor(selectedObject, descriptor = VisualObject3D.descriptor)
-                            }
                         }
                     }
                 }
             }
         }
+
     }
 }

demo/muon-monitor/src/jsMain/kotlin/ru/mipt/npm/muon/monitor/MMDemoApp.kt

@@ -8,6 +8,7 @@ import io.ktor.client.HttpClient
 import io.ktor.client.features.json.JsonFeature
 import io.ktor.client.features.json.serializer.KotlinxSerializer
 import kotlinx.serialization.json.Json
+import react.child
 import react.dom.render
 import kotlin.browser.document
 
@@ -29,7 +30,7 @@ private class MMDemoApp : Application {
         val element = document.getElementById("app") ?: error("Element with id 'app' not found on page")
 
         render(element) {
-            child(MMAppComponent::class) {
+            child(MMApp) {
                 attrs {
                     model = this@MMDemoApp.model
                     connection = this@MMDemoApp.connection

demo/muon-monitor/src/jsMain/resources/index.html

@@ -11,25 +11,6 @@
     <script type="text/javascript" src ="js/bootstrap.bundle.min.js"></script>
 </head>
 <body class="testApp">
-
+<div class="container-fluid" id = "app"> </div>
-<div class="container">
-    <h1>Muon monitor demo</h1>
-</div>
-
-<div class="container-fluid">
-    <div id="app"></div>
-<!--    <div class="row">
-        <div class="col-lg-3">
-            <div class="row" id="tree"></div>
-        </div>
-        <div class="col-lg-6">
-            <div id="canvas"></div>
-        </div>
-        <div class="col-lg-3">
-            <div class="row" id="settings"></div>
-            <div class="row" id="editor"></div>
-        </div>
-    </div>-->
-</div>
 </body>
 </html>