6 changed files with 89 additions and 18 deletions
--- a/examples/markers.html
+++ b/examples/markers.html
@ -29,10 +29,12 @@
          { datapoints: timeSerieData, color: 'black' },
        ],
        options,
-        [
-          { data: markersData1, color: 'red' },
-          { data: markersData2, color: 'blue' },
-        ]
+        {
+          series: [
+            { data: markersData1, color: 'red' },
+            { data: markersData2, color: 'blue' },
+          ]
+        }
      );
      pod.render();
    </script>
--- a/examples/markers_select.html
+++ b/examples/markers_select.html
@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta content="text/html;charset=utf-8" http-equiv="Content-Type">
+    <meta content="utf-8" http-equiv="encoding">
+
+    <script src="../dist/index.dev.js" type="text/javascript"></script>
+  </head>
+  <body>
+    <div id="chart" style="width: 100%; height: 500px;"></div>
+
+    <script type="text/javascript">
+      const startTime = 1701790172908;
+      const timeSerieData = [5, 6, 3, 7, 5, 6, 8, 4, 5, 6, 4, 3, 5, 7, 8]
+        .map((el, idx) => [startTime + idx * 1000, el]);
+      // TODO: make this one-dimensinal data when implemented
+      const markersData = [3, 6, 9].map(el => [
+        startTime + el * 1000,
+        { el }
+      ]);
+      let options = {
+        renderLegend: false,
+        axis: {
+          y: { range: [0, 10] },
+          x: { format: 'time' }
+        },
+      }
+      var pod = new LinePod(
+        document.getElementById('chart'),
+        [
+          { datapoints: timeSerieData, color: 'black' },
+        ],
+        options,
+        {
+          series: [
+            { data: markersData, color: 'red' },
+          ],
+          events: {
+            onMouseMove: (el) => { console.log(el); },
+            onMouseOut: () => { console.log('mouse out'); }
+          }
+        }
+      );
+      pod.render();
+    </script>
+  </body>
+</html>
--- a/react/ChartwerkLinePod.tsx
+++ b/react/ChartwerkLinePod.tsx
@ -1,7 +1,7 @@
 import { LineTimeSerie, LineOptions, LinePod } from '@chartwerk/line-pod';

 import { AxisRange } from '@chartwerk/core/dist/types';
-import { MarkerSerie } from '@chartwerk/line-pod/dist/models/marker';
+import { MarkersConf } from '@chartwerk/line-pod/dist/models/marker';
 import { SegmentSerie } from '@chartwerk/line-pod/dist/models/segment';

 import { useEffect, useRef, useState } from 'react';
@ -13,7 +13,7 @@ export type ChartwerkLinePodProps = {
  id?: string;
  series: LineTimeSerie[];
  options?: LineOptions;
-  markers?: MarkerSerie[],
+  markersConf?: MarkersConf,
  segments?: SegmentSerie[],
  className?: string;
  // TODO: callback types should be exported from chartwerk
@ -91,7 +91,7 @@ export function ChartwerkLinePod(props: ChartwerkLinePodProps) {
          ...props.options,
          eventsCallbacks
        },
-        props.markers,
+        props.markersConf,
        props.segments
      );
      setPod(newPod);
@ -99,7 +99,7 @@ export function ChartwerkLinePod(props: ChartwerkLinePodProps) {
    } else {
      pod.updateData(props.series, props.options);
    }
-  }, [chart, pod, props.id, props.options, props.markers, props.segments]);
+  }, [chart, pod, props.id, props.options, props.markersConf, props.segments]);

  // TODO: it's a hack to render the LinePod right after the div appears in DOM
  setTimeout(() => {
--- a/src/components/markers.ts
+++ b/src/components/markers.ts
@ -1,4 +1,4 @@
-import { MarkerSerie } from "../models/marker";
+import { MarkersConf, MarkerSerie } from "../models/marker";
 import { PodState } from "@chartwerk/core";
 import { LineTimeSerie, LineOptions } from "../types";

@ -8,7 +8,8 @@ export class Markers {
  // TODO: more semantic name
  private _d3Holder = null;

-  constructor(private _markers: MarkerSerie[], private _state: PodState<LineTimeSerie, LineOptions>) {
+  constructor(private _markerConf: MarkersConf, private _state: PodState<LineTimeSerie, LineOptions>) {
+
  }

  render(metricContainer: d3.Selection<SVGGElement, unknown, null, undefined>) {
@ -16,7 +17,7 @@ export class Markers {
      this._d3Holder.remove();
    }
    this._d3Holder = metricContainer.append('g').attr('class', 'markers-layer');
-    for (const ms of this._markers) {
+    for (const ms of this._markerConf.series) {
      this.renderSerie(ms);
    }
  }
@ -36,15 +37,22 @@ export class Markers {
        // @ts-ignore // TODO: remove ignore but boxParams are protected
        .attr('y2', this._state.boxParams.height)
        .attr('pointer-events', 'none');
-      this._d3Holder.append('circle')
+      let circle = this._d3Holder.append('circle')
        .attr('class', 'gap-circle')
        .attr('stroke', serie.color)
        .attr('stroke-width', '2px')
        .attr('r', 4)
        .attr('cx', linePosition)
        .attr('cy', 5)
-        .attr('pointer-events', 'none') // TODO: make all on implementation of Events
-        .style('cursor', 'pointer')
+
+      if(this._markerConf !== undefined) {
+        circle
+          .attr('pointer-events', 'all')
+          .style('cursor', 'pointer')
+          .on('mousemove', () => this._markerConf.events.onMouseMove(d))
+          .on('mouseout', () => this._markerConf.events.onMouseOut())
+      }
+
    });

  }
--- a/src/index.ts
+++ b/src/index.ts
@ -4,6 +4,7 @@ import { Markers } from './components/markers';
 import { Segments } from './components/segments';

 import { LineSeries } from './models/line_series';
+import { MarkersConf } from './models/marker';

 import * as d3 from 'd3';
 import * as _ from 'lodash';
@ -27,7 +28,7 @@ class LinePod extends ChartwerkPod<LineTimeSerie, LineOptions> {
    _el: HTMLElement,
    _series: LineTimeSerie[] = [],
    _options: LineOptions = {},
-    private _markerSeries = [], 
+    private _markersConf?: MarkersConf, 
    private _segmentSeries = [], 
  ) {
    super(_el, _series, _options);
@ -48,8 +49,11 @@ class LinePod extends ChartwerkPod<LineTimeSerie, LineOptions> {
    for(const serie of this.series.visibleSeries) {
      this._renderMetric(serie);
    }
-    this._markersLayer = new Markers(this._markerSeries, this.state);
-    this._markersLayer.render(this.metricContainer);
+    if(this._markersConf !== undefined) {
+      this._markersLayer = new Markers(this._markersConf, this.state);
+      this._markersLayer.render(this.metricContainer);
+    }
+    
    this._segmentsLayer = new Segments(this._segmentSeries, this.state);
    this._segmentsLayer.render(this.metricContainer);
  }
--- a/src/models/marker.ts
+++ b/src/models/marker.ts
@ -1,5 +1,15 @@
+export type MarkerElem = [number, any?];
+
 export type MarkerSerie = {
  color: string;
  // TODO: make one-dimensional array with only x
-  data: [number, any?][] // [x, payload] payload is any data for tooltip
+  data: MarkerElem[] // [x, payload] payload is any data for tooltip
+}
+
+export type MarkersConf = {
+  series: MarkerSerie[],
+  events?: {
+    onMouseMove?: (el: MarkerElem) => void;
+    onMouseOut?: () => void;
+  }
 }