Fix proxy styling

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

@@ -58,11 +58,12 @@ abstract class AbstractVisualObject : VisualObject {
 
     private var styleCache: Laminate? = null
 
-    protected val actualStyles: Laminate
-        get() = styleCache ?: run {
-            Laminate(style.map { it.toName() }.mapNotNull(::findStyle))
-                .also { styleCache = it }
-        }
+    /**
+     * Collect all styles for this object in a laminate
+     */
+    val appliedStyles: Laminate
+        get() = styleCache ?: Laminate(style.map { it.toName() }.mapNotNull(::findStyle)).also { styleCache = it }
+
 
     /**
      * Helper to reset style cache
@@ -74,9 +75,9 @@ abstract class AbstractVisualObject : VisualObject {
 
     override fun getProperty(name: Name, inherit: Boolean): MetaItem<*>? {
         return if (inherit) {
-            properties?.get(name) ?: actualStyles[name] ?: parent?.getProperty(name, inherit)
+            properties?.get(name) ?: appliedStyles[name] ?: parent?.getProperty(name, inherit)
         } else {
-            properties?.get(name) ?: actualStyles[name]
+            properties?.get(name) ?: appliedStyles[name]
         }
     }
 

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

@@ -35,9 +35,10 @@ class Proxy(val templateName: Name) : AbstractVisualObject(), VisualGroup, Visua
     /**
      * Recursively search for defined template in the parent
      */
-    val prototype: VisualObject3D
-        get() = (parent as? VisualGroup3D)?.getTemplate(templateName)
-            ?: error("Template with name $templateName not found in $parent")
+    val prototype: VisualObject3D get() = getPrototype()
+
+    private fun getPrototype(): VisualObject3D = (parent as? VisualGroup3D)?.getTemplate(templateName)
+        ?: error("Template with name $templateName not found in $parent")
 
     override fun getStyle(name: Name): Meta? = (parent as VisualGroup?)?.getStyle(name)
 
@@ -70,17 +71,23 @@ class Proxy(val templateName: Name) : AbstractVisualObject(), VisualGroup, Visua
         return NameToken(PROXY_CHILD_PROPERTY_PREFIX, childName.toString()) + propertyName
     }
 
+    private fun prototypeFor(name: Name): VisualObject =
+        (prototype as? VisualGroup)?.get(name)
+            ?: error("Prototype with name $name not found in ${this@Proxy}")
+
+
     inner class ProxyChild(val name: Name) : AbstractVisualObject(), VisualGroup {
 
+        val prototype: VisualObject by lazy {
+            prototypeFor(name)
+        }
+
         override val children: Map<NameToken, VisualObject>
-            get() = ((prototype as? MutableVisualGroup)?.get(name) as? MutableVisualGroup)
-                ?.children
-                ?.mapValues { (key, _) ->
-                    ProxyChild(
-                        name + key.asName()
-                    )
-                }
-                ?: emptyMap()
+            get() = (prototype as? VisualGroup)?.children?.mapValues { (key, _) ->
+                ProxyChild(
+                    name + key.asName()
+                )
+            } ?: emptyMap()
 
         override fun getStyle(name: Name): Meta? = this@Proxy.getStyle(name)
 
@@ -88,10 +95,6 @@ class Proxy(val templateName: Name) : AbstractVisualObject(), VisualGroup, Visua
             this@Proxy.setStyle(name, meta)
         }
 
-        val prototype: VisualObject
-            get() = (this@Proxy.prototype as? VisualGroup)?.get(name)
-                ?: error("Prototype with name $name not found in ${this@Proxy}")
-
         override var properties: Config?
             get() = propertyCache[name]
             set(value) {
@@ -112,15 +115,16 @@ class Proxy(val templateName: Name) : AbstractVisualObject(), VisualGroup, Visua
         override fun getProperty(name: Name, inherit: Boolean): MetaItem<*>? {
             return if (inherit) {
                 properties?.get(name)
-                    ?: actualStyles[name]
+                    ?: appliedStyles[name]
                     ?: parent?.getProperty(name, inherit)
                     ?: prototype.getProperty(name, inherit)
             } else {
                 properties?.get(name)
-                    ?: actualStyles[name]
+                    ?: appliedStyles[name]
                     ?: prototype.getProperty(name, inherit)
             }
         }
+
     }
 
     companion object {

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/VisualGroup3D.kt

@@ -20,7 +20,7 @@ import hep.dataforge.names.NameToken
 import hep.dataforge.names.asName
 import hep.dataforge.names.isEmpty
 import hep.dataforge.vis.common.AbstractVisualGroup
-import hep.dataforge.vis.common.MutableVisualGroup
+import hep.dataforge.vis.common.VisualGroup
 import hep.dataforge.vis.common.VisualObject
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
@@ -103,15 +103,15 @@ class VisualGroup3D : AbstractVisualGroup(), VisualObject3D {
 /**
  * A fix for serialization bug that writes all proper parents inside the tree after deserialization
  */
-fun MutableVisualGroup.attachChildren() {
+fun VisualGroup.attachChildren() {
     this.children.values.forEach {
         it.parent = this
-        (it as? MutableVisualGroup)?.attachChildren()
+        (it as? VisualGroup)?.attachChildren()
     }
     if (this is VisualGroup3D) {
-        templates?.apply {
-            parent = this@attachChildren
-            attachChildren()
+        templates?.also {
+            it.parent = this
+            it.attachChildren()
         }
     }
 }

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

@@ -1,25 +1,16 @@
 package hep.dataforge.vis.spatial.three
 
 import hep.dataforge.names.toName
-import hep.dataforge.vis.common.VisualObject
 import hep.dataforge.vis.spatial.Proxy
 import hep.dataforge.vis.spatial.Proxy.Companion.PROXY_CHILD_PROPERTY_PREFIX
 import hep.dataforge.vis.spatial.VisualObject3D
-import hep.dataforge.vis.spatial.material
-import hep.dataforge.vis.spatial.visible
 import info.laht.threekt.core.Object3D
-import info.laht.threekt.objects.Mesh
 
 class ThreeProxyFactory(val three: ThreePlugin) : ThreeFactory<Proxy> {
     private val cache = HashMap<VisualObject3D, Object3D>()
 
     override val type = Proxy::class
 
-    private fun Mesh.updateProperties(obj: VisualObject?) {
-        material = obj?.material.jsMaterial()
-        visible = obj?.visible ?: true
-    }
-
     override fun invoke(obj: Proxy): Object3D {
         val template = obj.prototype
         val cachedObject = cache.getOrPut(template) {

dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/tree/jsVisualTree.kt

@@ -32,7 +32,7 @@ internal fun createInspireTree(block: Config.() -> Unit = {}): InspireTree {
     return InspireTree(config)
 }
 
-fun VisualGroup.toTree(onFocus: (VisualObject?, String?) -> Unit = { obj, name -> }): InspireTree {
+fun VisualGroup.toTree(onFocus: (VisualObject?, String?) -> Unit = { _, _ -> }): InspireTree {
 
     val map = HashMap<String, VisualObject>()