diff options
Diffstat (limited to 'web/gui/dashboard.js')
| -rw-r--r-- | web/gui/dashboard.js | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/web/gui/dashboard.js b/web/gui/dashboard.js index a32a29be7..0c379dc05 100644 --- a/web/gui/dashboard.js +++ b/web/gui/dashboard.js @@ -2281,8 +2281,28 @@ NETDATA.dygraphChartCreate = function (state, data) { NETDATA.globalSelectionSync.stop(); }, underlayCallback: function (canvas, area, g) { - // the chart is about to be drawn + + // update history_tip_element + if (state.tmp.dygraph_history_tip_element) { + const xHookRightSide = g.toDomXCoord(state.netdata_first); + if (xHookRightSide > area.x) { + state.tmp.dygraph_history_tip_element_displayed = true; + // group the styles for possible better performance + state.tmp.dygraph_history_tip_element.setAttribute( + 'style', + `display: block; left: ${area.x}px; right: calc(100% - ${xHookRightSide}px);` + ) + } else { + if (state.tmp.dygraph_history_tip_element_displayed) { + // additional check just for performance + // don't update the DOM when it's not needed + state.tmp.dygraph_history_tip_element.style.display = 'none'; + state.tmp.dygraph_history_tip_element_displayed = false; + } + } + } + // this function renders global highlighted time-frame if (NETDATA.globalChartUnderlay.isActive()) { @@ -2751,6 +2771,21 @@ NETDATA.dygraphChartCreate = function (state, data) { state.tmp.dygraph_instance = new Dygraph(state.element_chart, data.result.data, state.tmp.dygraph_options); + + state.tmp.dygraph_history_tip_element = document.createElement('div'); + state.tmp.dygraph_history_tip_element.innerHTML = ` + <span class="dygraph__history-tip-content"> + Want to extend your history of real-time metrics? + <br /> + <a href="https://docs.netdata.cloud/docs/configuration-guide/#increase-the-metrics-retention-period" target=_blank> + Configure Netdata's <b>history</b></a> + or use the <a href="https://docs.netdata.cloud/database/engine/" target=_blank>DB engine</a>. + </span> + `; + state.tmp.dygraph_history_tip_element.className = 'dygraph__history-tip'; + state.element_chart.appendChild(state.tmp.dygraph_history_tip_element); + + state.tmp.dygraph_force_zoom = false; state.tmp.dygraph_user_action = false; state.tmp.dygraph_last_rendered = Date.now(); |