Merge pull request #54 from zakhenry/fix/text-updating

fix(Dynamic graphs): Fix text labels not updating when dynamically updated

Author: altavir

examples/src/main/kotlin/misc/dynamicBars.kt

@@ -22,6 +22,7 @@ fun main() {
         name to Bar {
             x.strings = initialValue.map { "Column: $it" }
             y.numbers = initialValue
+            textsList = initialValue.map { "Initial value of this datapoint is: ${it}"}
             this.name = name
         }
     }
@@ -58,6 +59,7 @@ fun main() {
                         val yValues = bar.y.doubles
                         yValues[columnIndex] = Random.nextInt(0,100).toDouble()
                         bar.y.doubles = yValues
+                        bar.textsList = yValues.map { "Updated value of this datapoint is: ${it}"}
                     }
                 }
             }
@@ -68,4 +70,4 @@ fun main() {
     readLine()
 
     server.close()
-}
+}

plotlykt-core/src/jsMain/kotlin/kscience/plotly/plotlyElement.kt

@@ -31,11 +31,15 @@ fun HTMLElement.plot(plot: Plot, plotlyConfig: PlotlyConfig = PlotlyConfig()) {
                 traceData.z = arrayOf(traceData.z)
             }
 
+            if (trace.text.value != null) {
+                traceData.text = arrayOf(traceData.text)
+            }
+
             PlotlyJs.restyle(this, traceData, arrayOf(index))
         }
     }
 }
 
 fun HTMLElement.plot(plotlyConfig: PlotlyConfig = PlotlyConfig(), plotBuilder: Plot.() -> Unit) {
     plot(Plot().apply(plotBuilder), plotlyConfig)
-}
+}