mirror of
https://github.com/dreamRs/apexcharter.git
synced 2024-07-10 15:33:17 +02:00
286 lines
8.1 KiB
JavaScript
286 lines
8.1 KiB
JavaScript
/*!
|
|
*
|
|
* htmlwidgets bindings for ApexCharts
|
|
* https://github.com/dreamRs/apexcharter
|
|
*
|
|
*/
|
|
|
|
/// Functions
|
|
|
|
// From Friss tuto (https://github.com/FrissAnalytics/shinyJsTutorials/blob/master/tutorials/tutorial_03.Rmd)
|
|
function get_widget(id) {
|
|
var htmlWidgetsObj = HTMLWidgets.find("#" + id);
|
|
var widgetObj;
|
|
if (typeof htmlWidgetsObj !== "undefined") {
|
|
widgetObj = htmlWidgetsObj.getChart();
|
|
}
|
|
return widgetObj;
|
|
}
|
|
|
|
function is_single(options) {
|
|
var typeLabels = ["pie", "radialBar", "donut"];
|
|
var lab = typeLabels.indexOf(options.w.config.chart.type) > -1;
|
|
var single = options.w.config.series.length === 1;
|
|
return lab | single;
|
|
}
|
|
|
|
function is_datetime(chartContext) {
|
|
if (
|
|
chartContext.hasOwnProperty("w") &&
|
|
chartContext.w.hasOwnProperty("config") &&
|
|
chartContext.w.config.hasOwnProperty("xaxis") &&
|
|
chartContext.w.config.xaxis.hasOwnProperty("type")
|
|
) {
|
|
return chartContext.w.config.xaxis.type == "datetime";
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function getSelection(chartContext, selectedDataPoints, serieIndex) {
|
|
var typeLabels = ["pie", "radialBar", "donut"];
|
|
var typeXY = ["scatter", "bubble"];
|
|
var selected;
|
|
if (typeLabels.indexOf(chartContext.opts.chart.type) > -1) {
|
|
var labels = chartContext.opts.labels;
|
|
selected = selectedDataPoints[serieIndex].map(function(index) {
|
|
return labels[index];
|
|
});
|
|
} else {
|
|
var data = chartContext.opts.series[serieIndex].data;
|
|
selected = selectedDataPoints[serieIndex].map(function(index) {
|
|
var val = data[index];
|
|
if (typeXY.indexOf(chartContext.opts.chart.type) < 0) {
|
|
if (val.hasOwnProperty("x")) {
|
|
val = val.x;
|
|
} else {
|
|
val = val[0];
|
|
}
|
|
}
|
|
return val;
|
|
});
|
|
}
|
|
//console.log(selected);
|
|
if (typeXY.indexOf(chartContext.opts.chart.type) > -1) {
|
|
selected = {
|
|
x: selected.map(function(obj) {
|
|
return obj.x;
|
|
}),
|
|
y: selected.map(function(obj) {
|
|
return obj.y;
|
|
})
|
|
};
|
|
}
|
|
if (typeof selected == "undefined") {
|
|
selected = null;
|
|
}
|
|
return selected;
|
|
}
|
|
|
|
function getYaxis(axis) {
|
|
var yzoom = { min: null, max: null };
|
|
if (typeof axis.yaxis !== "undefined" && axis.yaxis !== null) {
|
|
var y_axis;
|
|
if (axis.yaxis.hasOwnProperty("min")) {
|
|
y_axis = axis.yaxis;
|
|
} else {
|
|
y_axis = axis.yaxis[0];
|
|
}
|
|
if (y_axis.hasOwnProperty("min") && typeof y_axis.min !== "undefined") {
|
|
yzoom.min = y_axis.min;
|
|
}
|
|
if (y_axis.hasOwnProperty("max") && typeof y_axis.max !== "undefined") {
|
|
yzoom.max = y_axis.max;
|
|
}
|
|
}
|
|
return yzoom;
|
|
}
|
|
|
|
function getXaxis(axis) {
|
|
var xzoom = { min: null, max: null };
|
|
if (typeof axis.xaxis !== "undefined") {
|
|
var x_axis = axis.xaxis;
|
|
if (x_axis.hasOwnProperty("min") && typeof x_axis.min !== "undefined") {
|
|
xzoom.min = x_axis.min;
|
|
}
|
|
if (x_axis.hasOwnProperty("max") && typeof x_axis.max !== "undefined") {
|
|
xzoom.max = x_axis.max;
|
|
}
|
|
}
|
|
return xzoom;
|
|
}
|
|
|
|
/// Widget
|
|
|
|
HTMLWidgets.widget({
|
|
name: "apexcharter",
|
|
|
|
type: "output",
|
|
|
|
factory: function(el, width, height) {
|
|
var axOpts;
|
|
var apexchart = null;
|
|
|
|
return {
|
|
renderValue: function(x) {
|
|
// Global options
|
|
axOpts = x.ax_opts;
|
|
|
|
// Sizing
|
|
if (typeof axOpts.chart === "undefined") {
|
|
axOpts.chart = {};
|
|
}
|
|
axOpts.chart.width = width;
|
|
axOpts.chart.height = height;
|
|
if (!axOpts.chart.hasOwnProperty("parentHeightOffset")) {
|
|
axOpts.chart.parentHeightOffset = 0;
|
|
}
|
|
|
|
if (x.hasOwnProperty("shinyEvents") & HTMLWidgets.shinyMode) {
|
|
if (!axOpts.hasOwnProperty("chart")) {
|
|
axOpts.chart = {};
|
|
}
|
|
if (!axOpts.chart.hasOwnProperty("events")) {
|
|
axOpts.chart.events = {};
|
|
}
|
|
if (x.shinyEvents.hasOwnProperty("click")) {
|
|
axOpts.chart.events.dataPointSelection = function(
|
|
event,
|
|
chartContext,
|
|
opts
|
|
) {
|
|
var options = opts;
|
|
var nonEmpty = opts.selectedDataPoints.filter(function(el) {
|
|
return el !== null && el.length > 0;
|
|
});
|
|
if (nonEmpty.length > 0) {
|
|
var select = {};
|
|
for (var i = 0; i < opts.selectedDataPoints.length; i++) {
|
|
if (typeof opts.selectedDataPoints[i] === "undefined") {
|
|
continue;
|
|
}
|
|
var selection = getSelection(
|
|
chartContext,
|
|
options.selectedDataPoints,
|
|
i
|
|
);
|
|
if (selection !== null) {
|
|
if (opts.w.config.series[i].hasOwnProperty("name")) {
|
|
var name = opts.w.config.series[i].name;
|
|
select[name] = selection;
|
|
} else {
|
|
select[i] = selection;
|
|
}
|
|
}
|
|
}
|
|
if (is_single(options)) {
|
|
select = select[Object.keys(select)[0]];
|
|
}
|
|
Shiny.setInputValue(
|
|
x.shinyEvents.click.inputId + ":apex_click",
|
|
{ value: select, datetime: is_datetime(chartContext) }
|
|
);
|
|
} else {
|
|
Shiny.setInputValue(x.shinyEvents.click.inputId, null);
|
|
}
|
|
};
|
|
}
|
|
if (x.shinyEvents.hasOwnProperty("zoomed")) {
|
|
axOpts.chart.events.zoomed = function(chartContext, xaxis, yaxis) {
|
|
var id = x.shinyEvents.zoomed.inputId;
|
|
if (is_datetime(chartContext)) {
|
|
id = id + ":apex_datetime";
|
|
}
|
|
Shiny.setInputValue(id, {
|
|
x: getXaxis(xaxis),
|
|
y: getYaxis(xaxis)
|
|
});
|
|
};
|
|
}
|
|
if (x.shinyEvents.hasOwnProperty("selection")) {
|
|
axOpts.chart.events.selection = function(
|
|
chartContext,
|
|
xaxis,
|
|
yaxis
|
|
) {
|
|
var id = x.shinyEvents.selection.inputId;
|
|
if (is_datetime(chartContext)) {
|
|
id = id + ":apex_datetime";
|
|
}
|
|
var selectionValue;
|
|
if (x.shinyEvents.selection.type === "x") {
|
|
selectionValue = { x: xaxis.xaxis };
|
|
} else if (x.shinyEvents.selection.type === "xy") {
|
|
selectionValue = { x: xaxis.xaxis, y: getYaxis(xaxis) };
|
|
} else if (x.shinyEvents.selection.type === "y") {
|
|
selectionValue = { y: getYaxis(xaxis) };
|
|
}
|
|
Shiny.setInputValue(id, selectionValue);
|
|
};
|
|
}
|
|
}
|
|
|
|
// Generate or update chart
|
|
if (apexchart === null) {
|
|
apexchart = new ApexCharts(el, axOpts);
|
|
apexchart.render();
|
|
} else {
|
|
if (x.auto_update) {
|
|
apexchart.updateSeries(axOpts.series, x.auto_update.series_animate);
|
|
if (x.auto_update.update_options) {
|
|
apexchart.updateOptions(
|
|
axOpts,
|
|
x.auto_update.options_redrawPaths,
|
|
x.auto_update.options_animate
|
|
);
|
|
}
|
|
} else {
|
|
apexchart.destroy();
|
|
apexchart = new ApexCharts(el, axOpts);
|
|
apexchart.render();
|
|
}
|
|
}
|
|
},
|
|
|
|
getChart: function() {
|
|
return apexchart;
|
|
},
|
|
|
|
resize: function(width, height) {
|
|
apexchart.updateOptions({
|
|
chart: {
|
|
width: width,
|
|
height: height
|
|
}
|
|
});
|
|
}
|
|
};
|
|
}
|
|
});
|
|
|
|
if (HTMLWidgets.shinyMode) {
|
|
// update serie
|
|
Shiny.addCustomMessageHandler("update-apexchart-series", function(obj) {
|
|
var chart = get_widget(obj.id);
|
|
if (typeof chart != "undefined") {
|
|
chart.updateSeries(
|
|
[
|
|
{
|
|
data: obj.data.newSeries
|
|
}
|
|
],
|
|
obj.data.animate
|
|
);
|
|
}
|
|
});
|
|
|
|
// update options
|
|
Shiny.addCustomMessageHandler("update-apexchart-options", function(obj) {
|
|
var chart = get_widget(obj.id);
|
|
if (typeof chart != "undefined") {
|
|
chart.updateOptions(obj.data.options);
|
|
}
|
|
});
|
|
}
|
|
|