Simplify UI management in constructor

controls-constructor/src/commonMain/kotlin/space/kscience/controls/constructor/DeviceGroup.kt

@@ -8,6 +8,7 @@ import space.kscience.controls.manager.DeviceManager
 import space.kscience.controls.manager.install
 import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.context.Factory
+import space.kscience.dataforge.context.request
 import space.kscience.dataforge.meta.Laminate
 import space.kscience.dataforge.meta.Meta
 import space.kscience.dataforge.meta.MutableMeta
@@ -158,6 +159,12 @@ public fun DeviceManager.deviceGroup(
     return group
 }
 
+public fun Context.deviceGroup(
+    name: String = "@group",
+    meta: Meta = Meta.EMPTY,
+    block: DeviceGroup.() -> Unit,
+): DeviceGroup  = request(DeviceManager).deviceGroup(name, meta, block)
+
 private fun DeviceGroup.getOrCreateGroup(name: Name): DeviceGroup {
     return when (name.length) {
         0 -> this

controls-vision/build.gradle.kts

@@ -12,6 +12,8 @@ val visionforgeVersion = "0.3.0-dev-10"
 kscience {
     jvm()
     js()
+    useKtor()
+    useContextReceivers()
     dependencies {
         api(projects.controlsCore)
         api(projects.controlsConstructor)
@@ -21,6 +23,7 @@ kscience {
 
     jvmMain{
         api("space.kscience:visionforge-server:$visionforgeVersion")
+        api("io.ktor:ktor-server-cio")
     }
 }
 

controls-vision/src/jvmMain/kotlin/space/kscience/controls/vision/dashboard.kt

@@ -0,0 +1,61 @@
+package space.kscience.controls.vision
+
+import io.ktor.server.cio.CIO
+import io.ktor.server.engine.ApplicationEngine
+import io.ktor.server.engine.embeddedServer
+import io.ktor.server.http.content.staticResources
+import io.ktor.server.routing.Routing
+import io.ktor.server.routing.routing
+import kotlinx.html.TagConsumer
+import space.kscience.dataforge.context.Context
+import space.kscience.plotly.Plot
+import space.kscience.plotly.PlotlyConfig
+import space.kscience.visionforge.html.HtmlVisionFragment
+import space.kscience.visionforge.html.VisionPage
+import space.kscience.visionforge.html.VisionTagConsumer
+import space.kscience.visionforge.plotly.plotly
+import space.kscience.visionforge.server.VisionRoute
+import space.kscience.visionforge.server.close
+import space.kscience.visionforge.server.openInBrowser
+import space.kscience.visionforge.server.visionPage
+import space.kscience.visionforge.visionManager
+
+public fun Context.showDashboard(
+    port: Int = 7777,
+    routes: Routing.() -> Unit = {},
+    configurationBuilder: VisionRoute.() -> Unit = {},
+    visionFragment: HtmlVisionFragment,
+): ApplicationEngine = embeddedServer(CIO, port = port) {
+    routing {
+        staticResources("", null, null)
+        routes()
+    }
+
+    visionPage(
+        visionManager,
+        VisionPage.scriptHeader("js/constructor.js"),
+        configurationBuilder = configurationBuilder,
+        visionFragment = visionFragment
+    )
+}.also {
+    it.start(false)
+    it.openInBrowser()
+
+
+    println("Enter 'exit' to close server")
+    while (readlnOrNull() != "exit") {
+        //
+    }
+
+    it.close()
+}
+
+context(VisionTagConsumer<*>)
+public fun TagConsumer<*>.plot(
+    config: PlotlyConfig = PlotlyConfig(),
+    block: Plot.() -> Unit,
+) {
+    vision {
+        plotly(config, block)
+    }
+}

demo/constructor/build.gradle.kts

@@ -6,6 +6,7 @@ plugins {
 kscience {
     fullStack("js/constructor.js", jvmConfig = {withJava()})
     useKtor()
+    useContextReceivers()
     dependencies {
         api(projects.controlsVision)
     }

demo/constructor/src/jvmMain/kotlin/main.kt

@@ -1,9 +1,5 @@
 package space.kscience.controls.demo.constructor
 
-import io.ktor.server.cio.CIO
-import io.ktor.server.engine.embeddedServer
-import io.ktor.server.http.content.staticResources
-import io.ktor.server.routing.routing
 import space.kscience.controls.api.get
 import space.kscience.controls.constructor.*
 import space.kscience.controls.manager.ClockManager
@@ -12,18 +8,13 @@ import space.kscience.controls.manager.clock
 import space.kscience.controls.spec.doRecurring
 import space.kscience.controls.spec.name
 import space.kscience.controls.spec.write
+import space.kscience.controls.vision.plot
 import space.kscience.controls.vision.plotDeviceProperty
 import space.kscience.controls.vision.plotNumberState
+import space.kscience.controls.vision.showDashboard
 import space.kscience.dataforge.context.Context
-import space.kscience.dataforge.context.request
 import space.kscience.plotly.models.ScatterMode
-import space.kscience.visionforge.VisionManager
-import space.kscience.visionforge.html.VisionPage
 import space.kscience.visionforge.plotly.PlotlyPlugin
-import space.kscience.visionforge.plotly.plotly
-import space.kscience.visionforge.server.close
-import space.kscience.visionforge.server.openInBrowser
-import space.kscience.visionforge.server.visionPage
 import kotlin.math.PI
 import kotlin.math.sin
 import kotlin.time.Duration.Companion.milliseconds
@@ -38,9 +29,6 @@ public fun main() {
         plugin(ClockManager)
     }
 
-    val deviceManager = context.request(DeviceManager)
-    val visionManager = context.request(VisionManager)
-
     val state = DoubleRangeState(0.0, -5.0..5.0)
 
     val pidParameters = PidParameters(
@@ -50,7 +38,7 @@ public fun main() {
         timeStep = 0.005.seconds
     )
 
-    val device = deviceManager.deviceGroup {
+    val device = context.deviceGroup {
         val drive = virtualDrive("drive", 0.005, state)
         val pid = pid("pid", drive, pidParameters)
         virtualLimitSwitch("start", state.atStartState)
@@ -69,17 +57,9 @@ public fun main() {
         }
     }
 
-    val server = embeddedServer(CIO, port = 7777) {
-        routing {
-            staticResources("", null, null)
-        }
 
-        visionPage(
+    context.showDashboard {
-            visionManager,
+        plot {
-            VisionPage.scriptHeader("js/constructor.js")
-        ) {
-            vision {
-                plotly {
             plotNumberState(context, state) {
                 name = "real position"
             }
@@ -91,10 +71,8 @@ public fun main() {
                 name = "target"
             }
         }
-            }
 
-            vision {
+        plot {
-                plotly {
 //                    plotBooleanState(context, state.atStartState) {
 //                        name = "start"
 //                    }
@@ -110,18 +88,6 @@ public fun main() {
                 mode = ScatterMode.markers
             }
         }
+
     }
 }
-
-    }.start(false)
-
-    server.openInBrowser()
-
-
-    println("Enter 'exit' to close server")
-    while (readlnOrNull() != "exit") {
-        //
-    }
-
-    server.close()
-}