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✏️ Editing: seriesPicker.js

/**
 * Matomo - free/libre analytics platform
 *
 * Series Picker control addition for DataTable visualizations.
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */

(function ($, require) {

/**
     * This class creates and manages the Series Picker for certain DataTable visualizations.
     *
     * To add the series picker to your DataTable visualization, create a SeriesPicker instance
     * and after your visualization has been rendered, call the 'init' method.
     *
     * To customize SeriesPicker placement and behavior, you can bind callbacks to the following
     * events before calling 'init':
     *
     * 'placeSeriesPicker': Triggered after the DOM element for the series picker link is created.
     *                      You must use this event to add the link to the dataTable. YOu can also
     *                      use this event to position the link however you want.
     *
     *                      Callback Signature: function () {}
     *
     * 'seriesPicked':      Triggered when the user selects one or more columns/rows.
     *
     *                      Callback Signature: function (eventInfo, columns, rows) {}
     *
     * Events are triggered via jQuery, so you bind callbacks to them like this:
     *
     * var picker = new SeriesPicker(dataTable);
     * $(picker).bind('placeSeriesPicker', function () {
     *   $(this.domElem).doSomething(...);
     * });
     *
     * @param {dataTable} dataTable  The dataTable instance to add a series picker to.
     * @constructor
     * @deprecated use the piwik-series-picker directive instead
     */
    var SeriesPicker = function (dataTable) {
        this.domElem = null;
        this.dataTableId = dataTable.workingDivId;

// the columns that can be selected
        this.selectableColumns = dataTable.props.selectable_columns;

// the rows that can be selected
        this.selectableRows = dataTable.props.selectable_rows;

// render the picker?
        this.show = !! dataTable.props.show_series_picker
                 && (this.selectableColumns || this.selectableRows);

// can multiple rows we selected?
        this.multiSelect = !! dataTable.props.allow_multi_select_series_picker;
    };

SeriesPicker.prototype = {

/**
         * Initializes the series picker by creating the element. Must be called when
         * the datatable the picker is being attached to is ready for it to be drawn.
         */
        init: function () {
            if (!this.show) {
                return;
            }

var self = this;

var selectedColumns = this.selectableColumns
                .filter(isItemDisplayed)
                .map(function (columnConfig) {
                    return columnConfig.column;
                });

var selectedRows = this.selectableRows
                .filter(isItemDisplayed)
                .map(function (rowConfig) {
                    return rowConfig.matcher;
                });

// initialize dom element
            this.domElem = $('<div style="display:inline-block"><div></div></div>');

$(this).trigger('placeSeriesPicker');

var createVNode = Vue.createVNode;
            var createVueApp = CoreHome.createVueApp;
            var SeriesPicker = CoreVisualizations.SeriesPicker;

var app = createVueApp({
              render: function () {
                return createVNode(SeriesPicker, {
                  multiselect: self.multiSelect,
                  selectableColumns: self.selectableColumns,
                  selectableRows: self.selectableRows,
                  selectedColumns: selectedColumns,
                  selectedRows: selectedRows,
                  onSelect: function selectionChanged(event) {
                    var columns = event.columns, rows = event.rows;
                    if (columns.length === 0 && rows.length === 0) {
                      return;
                    }

rows = rows.map(encodeURIComponent);

$(self).trigger('seriesPicked', [columns, rows]);

// inform dashboard widget about changed parameters (to be restored on reload)
                    var UI = require('piwik/UI');
                    var params = {
                      columns: columns,
                      columns_to_display: columns,
                      rows: rows,
                      rows_to_display: rows
                    };

var tableNode = $('#' + self.dataTableId);
                    UI.DataTable.prototype.notifyWidgetParametersChange(tableNode, params);
                  }
                });
              }
            });
            app.mount(this.domElem.children()[0]);

function isItemDisplayed(columnOrRowConfig) {
                return columnOrRowConfig.displayed;
            }
        },

/**
         * Returns the translation of a metric that can be selected.
         *
         * @param {String} metric The name of the metric, ie, 'nb_visits' or 'nb_actions'.
         * @return {String} The metric translation. If one cannot be found, the metric itself
         *                  is returned.
         */
        getMetricTranslation: function (metric) {
            for (var i = 0; i !== this.selectableColumns.length; ++i) {
                if (this.selectableColumns[i].column === metric) {
                    return this.selectableColumns[i].translation;
                }
            }
            return metric;
        }
    };

var exports = require('piwik/DataTableVisualizations/Widgets');
    exports.SeriesPicker = SeriesPicker;

})(jQuery, require);

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