diff --git a/user/amd/build/local/participantsfilter/filter.min.js b/user/amd/build/local/participantsfilter/filter.min.js
index 0f13ff20617..5c2801e174e 100644
--- a/user/amd/build/local/participantsfilter/filter.min.js
+++ b/user/amd/build/local/participantsfilter/filter.min.js
@@ -1,2 +1,2 @@
-define ("core_user/local/participantsfilter/filter",["exports","core/form-autocomplete","./selectors","core/str"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=e(b);c=e(c);function e(a){return a&&a.__esModule?a:{default:a}}function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var i=a.apply(b,c);function g(a){f(i,d,e,g,h,"next",a)}function h(a){f(i,d,e,g,h,"throw",a)}g(void 0)})}}function h(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function i(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function j(a,b,c){if(b)i(a.prototype,b);if(c)i(a,c);return a}var k=function(a){return a.querySelectorAll(":checked")},l=function(){function a(b,c,d){h(this,a);this.filterType=b;this.rootNode=c;this.addValueSelector(d)}j(a,[{key:"tearDown",value:function tearDown(){}},{key:"addValueSelector",value:function(){var a=g(regeneratorRuntime.mark(function a(){var c=this,d,e,f,g=arguments;return regeneratorRuntime.wrap(function(a){while(1){switch(a.prev=a.next){case 0:d=0<g.length&&g[0]!==void 0?g[0]:[];e=this.getFilterValueNode();e.innerHTML=this.getSourceDataForFilter().outerHTML;f=e.querySelector("select");d.forEach(function(a){var b=f.querySelector("option[value=\"".concat(a,"\"]"));if(b){b.selected=!0}else if(!c.showSuggestions){b=document.createElement("option");b.value=a;b.innerHTML=a;b.selected=!0;f.append(b)}});a.t0=b.default;a.t1=f;a.t2="1"==f.dataset.allowCustom;a.next=10;return this.placeholder;case 10:a.t3=a.sent;a.t4=this.showSuggestions;a.t5=!f.multiple;a.t6={items:"core_user/local/participantsfilter/autocomplete_selection_items",layout:"core_user/local/participantsfilter/autocomplete_layout",selection:"core_user/local/participantsfilter/autocomplete_selection"};a.t0.enhance.call(a.t0,a.t1,a.t2,null,a.t3,!1,a.t4,null,a.t5,a.t6);case 15:case"end":return a.stop();}}},a,this)}));return function addValueSelector(){return a.apply(this,arguments)}}()},{key:"getSourceDataForFilter",value:function getSourceDataForFilter(){var a=this.rootNode.querySelector(c.default.filterset.regions.datasource);return a.querySelector(c.default.data.fields.byName(this.filterType))}},{key:"getFilterValueNode",value:function getFilterValueNode(){return this.filterRoot.querySelector(c.default.filter.regions.values)}},{key:"placeholder",get:function get(){return(0,d.get_string)("placeholdertypeorselect","core_user")}},{key:"showSuggestions",get:function get(){return!0}},{key:"filterRoot",get:function get(){return this.rootNode.querySelector(c.default.filter.byName(this.filterType))}},{key:"name",get:function get(){return this.filterType}},{key:"jointype",get:function get(){return this.filterRoot.querySelector(c.default.filter.fields.join).value}},{key:"rawValues",get:function get(){var a=this.getFilterValueNode(),b=a.querySelector("select");return Object.values(k(b)).map(function(a){return a.value})}},{key:"values",get:function get(){return this.rawValues.map(function(a){return parseInt(a,10)})}},{key:"filterValue",get:function get(){return{name:this.name,jointype:this.jointype,values:this.values}}}]);return a}();a.default=l;return a.default});
+define ("core_user/local/participantsfilter/filter",["exports","core/form-autocomplete","./selectors","core/str"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=e(b);c=e(c);function e(a){return a&&a.__esModule?a:{default:a}}function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var i=a.apply(b,c);function g(a){f(i,d,e,g,h,"next",a)}function h(a){f(i,d,e,g,h,"throw",a)}g(void 0)})}}function h(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function i(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function j(a,b,c){if(b)i(a.prototype,b);if(c)i(a,c);return a}var k=function(a){return a.querySelectorAll(":checked")},l=function(){function a(b,c,d){h(this,a);this.filterType=b;this.rootNode=c;this.addValueSelector(d)}j(a,[{key:"tearDown",value:function tearDown(){}},{key:"addValueSelector",value:function(){var a=g(regeneratorRuntime.mark(function a(){var c=this,d,e,f,g=arguments;return regeneratorRuntime.wrap(function(a){while(1){switch(a.prev=a.next){case 0:d=0<g.length&&g[0]!==void 0?g[0]:[];e=this.getFilterValueNode();e.innerHTML=this.getSourceDataForFilter().outerHTML;f=e.querySelector("select");d.forEach(function(a){var b=f.querySelector("option[value=\"".concat(a,"\"]"));if(b){b.selected=!0}else if(!c.showSuggestions){b=document.createElement("option");b.value=a;b.innerHTML=a;b.selected=!0;f.append(b)}});a.t0=b.default;a.t1=f;a.t2="1"==f.dataset.allowCustom;a.next=10;return this.placeholder;case 10:a.t3=a.sent;a.t4=this.showSuggestions;a.t5=!f.multiple;a.t6={items:"core_user/local/participantsfilter/autocomplete_selection_items",layout:"core_user/local/participantsfilter/autocomplete_layout",selection:"core_user/local/participantsfilter/autocomplete_selection"};a.t0.enhance.call(a.t0,a.t1,a.t2,null,a.t3,!1,a.t4,null,a.t5,a.t6);case 15:case"end":return a.stop();}}},a,this)}));return function addValueSelector(){return a.apply(this,arguments)}}()},{key:"getSourceDataForFilter",value:function getSourceDataForFilter(){var a=this.rootNode.querySelector(c.default.filterset.regions.datasource);return a.querySelector(c.default.data.fields.byName(this.filterType))}},{key:"getFilterValueNode",value:function getFilterValueNode(){return this.filterRoot.querySelector(c.default.filter.regions.values)}},{key:"placeholder",get:function get(){return(0,d.get_string)("placeholdertypeorselect","core_user")}},{key:"showSuggestions",get:function get(){return!0}},{key:"filterRoot",get:function get(){return this.rootNode.querySelector(c.default.filter.byName(this.filterType))}},{key:"name",get:function get(){return this.filterType}},{key:"jointype",get:function get(){return parseInt(this.filterRoot.querySelector(c.default.filter.fields.join).value,10)}},{key:"rawValues",get:function get(){var a=this.getFilterValueNode(),b=a.querySelector("select");return Object.values(k(b)).map(function(a){return a.value})}},{key:"values",get:function get(){return this.rawValues.map(function(a){return parseInt(a,10)})}},{key:"filterValue",get:function get(){return{name:this.name,jointype:this.jointype,values:this.values}}}]);return a}();a.default=l;return a.default});
 //# sourceMappingURL=filter.min.js.map
diff --git a/user/amd/build/local/participantsfilter/filter.min.js.map b/user/amd/build/local/participantsfilter/filter.min.js.map
index 1cc0896cdbd..a7780828532 100644
--- a/user/amd/build/local/participantsfilter/filter.min.js.map
+++ b/user/amd/build/local/participantsfilter/filter.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Base Filter class for a filter type in the participants filter UI.\n *\n * @module     core_user/local/participantsfilter/filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Autocomplete from 'core/form-autocomplete';\nimport Selectors from './selectors';\nimport {get_string as getString} from 'core/str';\n\n/**\n * Fetch all checked options in the select.\n *\n * This is a poor-man's polyfill for select.selectedOptions, which is not available in IE11.\n *\n * @param {HTMLSelectElement} select\n * @returns {HTMLOptionElement[]} All selected options\n */\nconst getOptionsForSelect = select => {\n    return select.querySelectorAll(':checked');\n};\n\nexport default class {\n\n    /**\n     * Constructor for a new filter.\n     *\n     * @param {String} filterType The type of filter that this relates to\n     * 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initialValues\n     */\n    async addValueSelector(initialValues = []) {\n        const filterValueNode = this.getFilterValueNode();\n\n        // Copy the data in place.\n        filterValueNode.innerHTML = this.getSourceDataForFilter().outerHTML;\n\n        const dataSource = filterValueNode.querySelector('select');\n\n        // If there are any initial values then attempt to apply them.\n        initialValues.forEach(filterValue => {\n            let selectedOption = dataSource.querySelector(`option[value=\"${filterValue}\"]`);\n            if (selectedOption) {\n                selectedOption.selected = true;\n            } else if (!this.showSuggestions) {\n                selectedOption = document.createElement('option');\n                selectedOption.value = filterValue;\n                selectedOption.innerHTML = filterValue;\n                selectedOption.selected = true;\n\n                dataSource.append(selectedOption);\n            }\n        });\n\n        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this.name,\n            jointype: this.jointype,\n            values: this.values,\n        };\n    }\n}\n"],"file":"filter.min.js"}
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Base Filter class for a filter type in the participants filter UI.\n *\n * @module     core_user/local/participantsfilter/filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Autocomplete from 'core/form-autocomplete';\nimport Selectors from './selectors';\nimport {get_string as getString} from 'core/str';\n\n/**\n * Fetch all checked options in the select.\n *\n * This is a poor-man's polyfill for select.selectedOptions, which is not available in IE11.\n *\n * @param {HTMLSelectElement} select\n * @returns {HTMLOptionElement[]} All selected options\n */\nconst getOptionsForSelect = select => {\n    return select.querySelectorAll(':checked');\n};\n\nexport default class {\n\n    /**\n     * Constructor for a new filter.\n     *\n     * @param {String} filterType The type of filter that this relates to\n     * @param {HTMLElement} rootNode The root node for the participants filterset\n     * @param {Array} initialValues The initial values for the selector\n     */\n    constructor(filterType, rootNode, initialValues) {\n        this.filterType = filterType;\n        this.rootNode = rootNode;\n\n        this.addValueSelector(initialValues);\n    }\n\n    /**\n     * Perform any tear-down for this filter type.\n     */\n    tearDown() {\n        // eslint-disable-line no-empty-function\n    }\n\n    /**\n     * Get the placeholder to use when showing the value selector.\n     *\n     * @return {Promise} Resolving to a String\n     */\n    get placeholder() {\n        return getString('placeholdertypeorselect', 'core_user');\n    }\n\n    /**\n     * Whether to show suggestions in the autocomplete.\n     *\n     * @return {Boolean}\n     */\n    get showSuggestions() {\n        return true;\n    }\n\n    /**\n     * Add the value selector to the filter row.\n     *\n     * @param {Array} initialValues\n     */\n    async addValueSelector(initialValues = []) {\n        const filterValueNode = this.getFilterValueNode();\n\n        // Copy the data in place.\n        filterValueNode.innerHTML = this.getSourceDataForFilter().outerHTML;\n\n        const dataSource = filterValueNode.querySelector('select');\n\n        // If there are any initial values then attempt to apply them.\n        initialValues.forEach(filterValue => {\n            let selectedOption = dataSource.querySelector(`option[value=\"${filterValue}\"]`);\n            if (selectedOption) {\n                selectedOption.selected = true;\n            } else if (!this.showSuggestions) {\n                selectedOption = document.createElement('option');\n                selectedOption.value = filterValue;\n                selectedOption.innerHTML = filterValue;\n                selectedOption.selected = true;\n\n                dataSource.append(selectedOption);\n            }\n        });\n\n        Autocomplete.enhance(\n            // The source select element.\n            dataSource,\n\n            // Whether to allow 'tags' (custom entries).\n            dataSource.dataset.allowCustom == \"1\",\n\n            // We do not require AJAX at all as standard.\n            null,\n\n            // The string to use as a placeholder.\n            await this.placeholder,\n\n            // Disable case sensitivity on searches.\n            false,\n\n            // Show suggestions.\n            this.showSuggestions,\n\n            // Do not override the 'no suggestions' string.\n            null,\n\n            // Close the suggestions if this is not a multi-select.\n            !dataSource.multiple,\n\n            // Template overrides.\n            {\n                items: 'core_user/local/participantsfilter/autocomplete_selection_items',\n                layout: 'core_user/local/participantsfilter/autocomplete_layout',\n                selection: 'core_user/local/participantsfilter/autocomplete_selection',\n            }\n        );\n    }\n\n    /**\n     * Get the root node for this filter.\n     *\n     * @returns {HTMLElement}\n     */\n    get filterRoot() {\n        return this.rootNode.querySelector(Selectors.filter.byName(this.filterType));\n    }\n\n    /**\n     * Get the possible data for this filter type.\n     *\n     * @returns {Array}\n     */\n    getSourceDataForFilter() {\n        const filterDataNode = this.rootNode.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(this.filterType));\n    }\n\n    /**\n     * Get the HTMLElement which contains the value selector.\n     *\n     * @returns {HTMLElement}\n     */\n    getFilterValueNode() {\n        return this.filterRoot.querySelector(Selectors.filter.regions.values);\n    }\n\n    /**\n     * Get the name of this filter.\n     *\n     * @returns {String}\n     */\n    get name() {\n        return this.filterType;\n    }\n\n    /**\n     * Get the type of join specified.\n     *\n     * @returns {Number}\n     */\n    get jointype() {\n        return parseInt(this.filterRoot.querySelector(Selectors.filter.fields.join).value, 10);\n    }\n\n    /**\n     * Get the list of raw values for this filter type.\n     *\n     * @returns {Array}\n     */\n    get rawValues() {\n        const filterValueNode = this.getFilterValueNode();\n        const filterValueSelect = filterValueNode.querySelector('select');\n\n        return Object.values(getOptionsForSelect(filterValueSelect)).map(option => option.value);\n    }\n\n    /**\n     * Get the list of values for this filter type.\n     *\n     * @returns {Array}\n     */\n    get values() {\n        return this.rawValues.map(option => parseInt(option, 10));\n    }\n\n    /**\n     * Get the composed value for this filter.\n     *\n     * @returns {Object}\n     */\n    get filterValue() {\n        return {\n            name: this.name,\n            jointype: this.jointype,\n            values: this.values,\n        };\n    }\n}\n"],"file":"filter.min.js"}
\ No newline at end of file
diff --git a/user/amd/build/participantsfilter.min.js b/user/amd/build/participantsfilter.min.js
index 60a726d6039..0e6d74a2f04 100644
--- a/user/amd/build/participantsfilter.min.js
+++ b/user/amd/build/participantsfilter.min.js
@@ -1,2 +1,2 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Participants filter managemnet.\n *\n * @module     core_user/participants_filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport CourseFilter from './local/participantsfilter/filtertypes/courseid';\nimport * as DynamicTable from 'core_table/dynamic';\nimport GenericFilter from './local/participantsfilter/filter';\nimport {get_strings as getStrings} from 'core/str';\nimport Notification from 'core/notification';\nimport Selectors from './local/participantsfilter/selectors';\nimport Templates from 'core/templates';\n\n/**\n * Initialise the participants filter on the element with the given id.\n *\n * @param {String} participantsRegionId\n */\nexport const init = participantsRegionId => {\n    // Keep a reference to the filterset.\n    const filterSet = document.querySelector(`#${participantsRegionId}`);\n\n    // Keep a reference to all of the active filters.\n    const activeFilters = {\n        courseid: new CourseFilter('courseid', filterSet),\n    };\n\n    /**\n     * Get the filter list region.\n     *\n     * @return {HTMLElement}\n     */\n    const getFilterRegion = () => filterSet.querySelector(Selectors.filterset.regions.filterlist);\n\n    /**\n     * Add an unselected filter row.\n     *\n     * @return {Promise}\n     */\n    const addFilterRow = () => {\n        const rownum = 1 + getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rownum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.appendNodeContents(getFilterRegion(), html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Get the filter data source node fro the specified filter type.\n     *\n     * @param {String} filterType\n     * @return {HTMLElement}\n     */\n    const getFilterDataSource = filterType => {\n        const filterDataNode = filterSet.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(filterType));\n    };\n\n    /**\n     * Add a filter to the list of active filters, performing any necessary setup.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {String} filterType\n     * @param {Array} initialFilterValues The initially selected values for the filter\n     * @returns {Filter}\n     */\n    const addFilter = async(filterRow, filterType, initialFilterValues) => {\n        // Name the filter on the filter row.\n        filterRow.dataset.filterType = filterType;\n\n        const filterDataNode = getFilterDataSource(filterType);\n\n        // Instantiate the Filter class.\n        let Filter = GenericFilter;\n        if (filterDataNode.dataset.filterTypeClass) {\n            Filter = await import(filterDataNode.dataset.filterTypeClass);\n        }\n        activeFilters[filterType] = new Filter(filterType, filterSet, initialFilterValues);\n\n        // Disable the select.\n        const typeField = filterRow.querySelector(Selectors.filter.fields.type);\n        typeField.value = filterType;\n        typeField.disabled = 'disabled';\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        return activeFilters[filterType];\n    };\n\n    /**\n     * Get the registered filter class for the named filter.\n     *\n     * @param {String} name\n     * @return {Object} See the Filter class.\n     */\n    const getFilterObject = name => {\n        return activeFilters[name];\n    };\n\n    /**\n     * Remove or replace the specified filter row and associated class, ensuring that if there is only one filter row,\n     * that it is replaced instead of being removed.\n     *\n     * @param {HTMLElement} filterRow\n     */\n    const removeOrReplaceFilterRow = filterRow => {\n        const filterCount = getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n\n        if (filterCount === 1) {\n            replaceFilterRow(filterRow);\n        } else {\n            removeFilterRow(filterRow);\n        }\n    };\n\n    /**\n     * Remove the specified filter row and associated class.\n     *\n     * @param {HTMLElement} filterRow\n     */\n    const removeFilterRow = async filterRow => {\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        // Remove the actual filter HTML.\n        filterRow.remove();\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        // Refresh the table.\n        updateTableFromFilter();\n\n        // Update filter fieldset legends.\n        const filterLegends = await getAvailableFilterLegends();\n\n        getFilterRegion().querySelectorAll(Selectors.filter.region).forEach((filterRow, index) => {\n            filterRow.querySelector('legend').innerText = filterLegends[index];\n        });\n\n    };\n\n    /**\n     * Replace the specified filter row with a new one.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Number} rowNum The number used to label the filter fieldset legend (eg Row 1). Defaults to 1 (the first filter).\n     * @return {Promise}\n     */\n    const replaceFilterRow = (filterRow, rowNum = 1) => {\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rowNum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.replaceNode(filterRow, html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            // Refresh the table.\n            updateTableFromFilter();\n\n            return filterRow;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Remove the Filter Object from the register.\n     *\n     * @param {string} filterName The name of the filter to be removed\n     */\n    const removeFilterObject = filterName => {\n        if (filterName) {\n            const filter = getFilterObject(filterName);\n            if (filter) {\n                filter.tearDown();\n\n                // Remove from the list of active filters.\n                delete activeFilters[filterName];\n            }\n        }\n    };\n\n    /**\n     * Remove all filters.\n     *\n     * @returns {Promise}\n     */\n    const removeAllFilters = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => removeOrReplaceFilterRow(filterRow));\n\n        // Refresh the table.\n        return updateTableFromFilter();\n    };\n\n    /**\n     * Remove any empty filters.\n     */\n    const removeEmptyFilters = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n            if (!filterType.value) {\n                removeOrReplaceFilterRow(filterRow);\n            }\n        });\n    };\n\n    /**\n     * Update the list of filter types to filter out those already selected.\n     */\n    const updateFiltersOptions = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const options = filterRow.querySelectorAll(Selectors.filter.fields.type + ' option');\n            options.forEach(option => {\n                if (option.value === filterRow.dataset.filterType) {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                } else if (activeFilters[option.value]) {\n                    option.classList.add('hidden');\n                    option.disabled = true;\n                } else {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                }\n            });\n        });\n\n        // Configure the state of the \"Add row\" button.\n        // This button is disabled when there is a filter row available for each condition.\n        const addRowButton = filterSet.querySelector(Selectors.filterset.actions.addRow);\n        const filterDataNode = filterSet.querySelectorAll(Selectors.data.fields.all);\n        if (filterDataNode.length <= filters.length) {\n            addRowButton.setAttribute('disabled', 'disabled');\n        } else {\n            addRowButton.removeAttribute('disabled');\n        }\n\n        if (filters.length === 1) {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.add('hidden');\n            filterSet.querySelector(Selectors.filterset.fields.join).value = 1;\n        } else {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.remove('hidden');\n        }\n    };\n\n    /**\n     * Set the current filter options based on a provided configuration.\n     *\n     * @param {Object} config\n     * @param {Number} config.jointype\n     * @param {Object} config.filters\n     */\n    const setFilterFromConfig = config => {\n        const filterConfig = Object.entries(config.filters);\n\n        if (!filterConfig.length) {\n            // There are no filters to set from.\n            return;\n        }\n\n        // Set the main join type.\n        filterSet.querySelector(Selectors.filterset.fields.join).value = config.jointype;\n\n        const filterPromises = filterConfig.map(([filterType, filterData]) => {\n            if (filterType === 'courseid') {\n                // The courseid is a special case.\n                return Promise.resolve();\n            }\n\n            const filterValues = filterData.values;\n\n            if (!filterValues.length) {\n                // There are no values for this filter.\n                // Skip it.\n                return Promise.resolve();\n            }\n\n            return addFilterRow().then(([filterRow]) => addFilter(filterRow, filterType, filterValues));\n        });\n\n        Promise.all(filterPromises).then(() => {\n            return removeEmptyFilters();\n        })\n        .then(updateFiltersOptions)\n        .then(updateTableFromFilter)\n        .catch();\n    };\n\n    /**\n     * Update the Dynamic table based upon the current filter.\n     *\n     * @return {Promise}\n     */\n    const updateTableFromFilter = () => {\n        return DynamicTable.setFilters(\n            DynamicTable.getTableFromId(filterSet.dataset.tableRegion),\n            {\n                filters: Object.values(activeFilters).map(filter => filter.filterValue),\n                jointype: filterSet.querySelector(Selectors.filterset.fields.join).value,\n            }\n        )\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Fetch the strings used to populate the fieldset legends for the maximum number of filters possible.\n     *\n     * @return {array}\n     */\n    const getAvailableFilterLegends = async() => {\n        const maxFilters = document.querySelector(Selectors.data.typeListSelect).length - 1;\n        let requests = [];\n\n        [...Array(maxFilters)].forEach((_, rowIndex) => {\n            requests.push({\n                \"key\": \"filterrowlegend\",\n                \"component\": \"core_user\",\n                // Add 1 since rows begin at 1 (index begins at zero).\n                \"param\": rowIndex + 1\n            });\n        });\n\n        const legendStrings = await getStrings(requests)\n        .then(fetchedStrings => {\n            return fetchedStrings;\n        })\n        .catch(Notification.exception);\n\n        return legendStrings;\n    };\n\n    // Add listeners for the main actions.\n    filterSet.querySelector(Selectors.filterset.region).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filterset.actions.addRow)) {\n            e.preventDefault();\n\n            addFilterRow();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.applyFilters)) {\n            e.preventDefault();\n\n            updateTableFromFilter();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.resetFilters)) {\n            e.preventDefault();\n\n            removeAllFilters();\n        }\n    });\n\n    // Add the listener to remove a single filter.\n    filterSet.querySelector(Selectors.filterset.regions.filterlist).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filter.actions.remove)) {\n            e.preventDefault();\n\n            removeOrReplaceFilterRow(e.target.closest(Selectors.filter.region));\n        }\n    });\n\n    // Add listeners for the filter type selection.\n    filterSet.querySelector(Selectors.filterset.regions.filterlist).addEventListener('change', e => {\n        const typeField = e.target.closest(Selectors.filter.fields.type);\n        if (typeField && typeField.value) {\n            const filter = e.target.closest(Selectors.filter.region);\n\n            addFilter(filter, typeField.value);\n        }\n    });\n\n    filterSet.querySelector(Selectors.filterset.fields.join).addEventListener('change', e => {\n        filterSet.dataset.filterverb = e.target.value;\n    });\n\n    const tableRoot = DynamicTable.getTableFromId(filterSet.dataset.tableRegion);\n    const initialFilters = DynamicTable.getFilters(tableRoot);\n    if (initialFilters) {\n        // Apply the initial filter configuration.\n        setFilterFromConfig(initialFilters);\n    }\n};\n"],"file":"participantsfilter.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Participants filter managemnet.\n *\n * @module     core_user/participants_filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport CourseFilter from './local/participantsfilter/filtertypes/courseid';\nimport * as DynamicTable from 'core_table/dynamic';\nimport GenericFilter from './local/participantsfilter/filter';\nimport {get_strings as getStrings} from 'core/str';\nimport Notification from 'core/notification';\nimport Selectors from './local/participantsfilter/selectors';\nimport Templates from 'core/templates';\n\n/**\n * Initialise the participants filter on the element with the given id.\n *\n * @param {String} participantsRegionId\n */\nexport const init = participantsRegionId => {\n    // Keep a reference to the filterset.\n    const filterSet = document.querySelector(`#${participantsRegionId}`);\n\n    // Keep a reference to all of the active filters.\n    const activeFilters = {\n        courseid: new CourseFilter('courseid', filterSet),\n    };\n\n    /**\n     * Get the filter list region.\n     *\n     * @return {HTMLElement}\n     */\n    const getFilterRegion = () => filterSet.querySelector(Selectors.filterset.regions.filterlist);\n\n    /**\n     * Add an unselected filter row.\n     *\n     * @return {Promise}\n     */\n    const addFilterRow = () => {\n        const rownum = 1 + getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rownum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.appendNodeContents(getFilterRegion(), html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Get the filter data source node fro the specified filter type.\n     *\n     * @param {String} filterType\n     * @return {HTMLElement}\n     */\n    const getFilterDataSource = filterType => {\n        const filterDataNode = filterSet.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(filterType));\n    };\n\n    /**\n     * Add a filter to the list of active filters, performing any necessary setup.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {String} filterType\n     * @param {Array} initialFilterValues The initially selected values for the filter\n     * @returns {Filter}\n     */\n    const addFilter = async(filterRow, filterType, initialFilterValues) => {\n        // Name the filter on the filter row.\n        filterRow.dataset.filterType = filterType;\n\n        const filterDataNode = getFilterDataSource(filterType);\n\n        // Instantiate the Filter class.\n        let Filter = GenericFilter;\n        if (filterDataNode.dataset.filterTypeClass) {\n            Filter = await import(filterDataNode.dataset.filterTypeClass);\n        }\n        activeFilters[filterType] = new Filter(filterType, filterSet, initialFilterValues);\n\n        // Disable the select.\n        const typeField = filterRow.querySelector(Selectors.filter.fields.type);\n        typeField.value = filterType;\n        typeField.disabled = 'disabled';\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        return activeFilters[filterType];\n    };\n\n    /**\n     * Get the registered filter class for the named filter.\n     *\n     * @param {String} name\n     * @return {Object} See the Filter class.\n     */\n    const getFilterObject = name => {\n        return activeFilters[name];\n    };\n\n    /**\n     * Remove or replace the specified filter row and associated class, ensuring that if there is only one filter row,\n     * that it is replaced instead of being removed.\n     *\n     * @param {HTMLElement} filterRow\n     */\n    const removeOrReplaceFilterRow = filterRow => {\n        const filterCount = getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n\n        if (filterCount === 1) {\n            replaceFilterRow(filterRow);\n        } else {\n            removeFilterRow(filterRow);\n        }\n    };\n\n    /**\n     * Remove the specified filter row and associated class.\n     *\n     * @param {HTMLElement} filterRow\n     */\n    const removeFilterRow = async filterRow => {\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        // Remove the actual filter HTML.\n        filterRow.remove();\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        // Refresh the table.\n        updateTableFromFilter();\n\n        // Update filter fieldset legends.\n        const filterLegends = await getAvailableFilterLegends();\n\n        getFilterRegion().querySelectorAll(Selectors.filter.region).forEach((filterRow, index) => {\n            filterRow.querySelector('legend').innerText = filterLegends[index];\n        });\n\n    };\n\n    /**\n     * Replace the specified filter row with a new one.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Number} rowNum The number used to label the filter fieldset legend (eg Row 1). Defaults to 1 (the first filter).\n     * @return {Promise}\n     */\n    const replaceFilterRow = (filterRow, rowNum = 1) => {\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rowNum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.replaceNode(filterRow, html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            // Refresh the table.\n            updateTableFromFilter();\n\n            return filterRow;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Remove the Filter Object from the register.\n     *\n     * @param {string} filterName The name of the filter to be removed\n     */\n    const removeFilterObject = filterName => {\n        if (filterName) {\n            const filter = getFilterObject(filterName);\n            if (filter) {\n                filter.tearDown();\n\n                // Remove from the list of active filters.\n                delete activeFilters[filterName];\n            }\n        }\n    };\n\n    /**\n     * Remove all filters.\n     *\n     * @returns {Promise}\n     */\n    const removeAllFilters = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => removeOrReplaceFilterRow(filterRow));\n\n        // Refresh the table.\n        return updateTableFromFilter();\n    };\n\n    /**\n     * Remove any empty filters.\n     */\n    const removeEmptyFilters = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n            if (!filterType.value) {\n                removeOrReplaceFilterRow(filterRow);\n            }\n        });\n    };\n\n    /**\n     * Update the list of filter types to filter out those already selected.\n     */\n    const updateFiltersOptions = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const options = filterRow.querySelectorAll(Selectors.filter.fields.type + ' option');\n            options.forEach(option => {\n                if (option.value === filterRow.dataset.filterType) {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                } else if (activeFilters[option.value]) {\n                    option.classList.add('hidden');\n                    option.disabled = true;\n                } else {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                }\n            });\n        });\n\n        // Configure the state of the \"Add row\" button.\n        // This button is disabled when there is a filter row available for each condition.\n        const addRowButton = filterSet.querySelector(Selectors.filterset.actions.addRow);\n        const filterDataNode = filterSet.querySelectorAll(Selectors.data.fields.all);\n        if (filterDataNode.length <= filters.length) {\n            addRowButton.setAttribute('disabled', 'disabled');\n        } else {\n            addRowButton.removeAttribute('disabled');\n        }\n\n        if (filters.length === 1) {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.add('hidden');\n            filterSet.querySelector(Selectors.filterset.fields.join).value = 1;\n        } else {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.remove('hidden');\n        }\n    };\n\n    /**\n     * Set the current filter options based on a provided configuration.\n     *\n     * @param {Object} config\n     * @param {Number} config.jointype\n     * @param {Object} config.filters\n     */\n    const setFilterFromConfig = config => {\n        const filterConfig = Object.entries(config.filters);\n\n        if (!filterConfig.length) {\n            // There are no filters to set from.\n            return;\n        }\n\n        // Set the main join type.\n        filterSet.querySelector(Selectors.filterset.fields.join).value = config.jointype;\n\n        const filterPromises = filterConfig.map(([filterType, filterData]) => {\n            if (filterType === 'courseid') {\n                // The courseid is a special case.\n                return Promise.resolve();\n            }\n\n            const filterValues = filterData.values;\n\n            if (!filterValues.length) {\n                // There are no values for this filter.\n                // Skip it.\n                return Promise.resolve();\n            }\n\n            return addFilterRow().then(([filterRow]) => addFilter(filterRow, filterType, filterValues));\n        });\n\n        Promise.all(filterPromises).then(() => {\n            return removeEmptyFilters();\n        })\n        .then(updateFiltersOptions)\n        .then(updateTableFromFilter)\n        .catch();\n    };\n\n    /**\n     * Update the Dynamic table based upon the current filter.\n     *\n     * @return {Promise}\n     */\n    const updateTableFromFilter = () => {\n        const filters = {};\n        Object.values(activeFilters).forEach(filter => {\n            filters[filter.filterValue.name] = filter.filterValue;\n        });\n\n        return DynamicTable.setFilters(\n            DynamicTable.getTableFromId(filterSet.dataset.tableRegion),\n            {\n                jointype: parseInt(filterSet.querySelector(Selectors.filterset.fields.join).value, 10),\n                filters,\n            }\n        )\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Fetch the strings used to populate the fieldset legends for the maximum number of filters possible.\n     *\n     * @return {array}\n     */\n    const getAvailableFilterLegends = async() => {\n        const maxFilters = document.querySelector(Selectors.data.typeListSelect).length - 1;\n        let requests = [];\n\n        [...Array(maxFilters)].forEach((_, rowIndex) => {\n            requests.push({\n                \"key\": \"filterrowlegend\",\n                \"component\": \"core_user\",\n                // Add 1 since rows begin at 1 (index begins at zero).\n                \"param\": rowIndex + 1\n            });\n        });\n\n        const legendStrings = await getStrings(requests)\n        .then(fetchedStrings => {\n            return fetchedStrings;\n        })\n        .catch(Notification.exception);\n\n        return legendStrings;\n    };\n\n    // Add listeners for the main actions.\n    filterSet.querySelector(Selectors.filterset.region).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filterset.actions.addRow)) {\n            e.preventDefault();\n\n            addFilterRow();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.applyFilters)) {\n            e.preventDefault();\n\n            updateTableFromFilter();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.resetFilters)) {\n            e.preventDefault();\n\n            removeAllFilters();\n        }\n    });\n\n    // Add the listener to remove a single filter.\n    filterSet.querySelector(Selectors.filterset.regions.filterlist).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filter.actions.remove)) {\n            e.preventDefault();\n\n            removeOrReplaceFilterRow(e.target.closest(Selectors.filter.region));\n        }\n    });\n\n    // Add listeners for the filter type selection.\n    filterSet.querySelector(Selectors.filterset.regions.filterlist).addEventListener('change', e => {\n        const typeField = e.target.closest(Selectors.filter.fields.type);\n        if (typeField && typeField.value) {\n            const filter = e.target.closest(Selectors.filter.region);\n\n            addFilter(filter, typeField.value);\n        }\n    });\n\n    filterSet.querySelector(Selectors.filterset.fields.join).addEventListener('change', e => {\n        filterSet.dataset.filterverb = e.target.value;\n    });\n\n    const tableRoot = DynamicTable.getTableFromId(filterSet.dataset.tableRegion);\n    const initialFilters = DynamicTable.getFilters(tableRoot);\n    if (initialFilters) {\n        // Apply the initial filter configuration.\n        setFilterFromConfig(initialFilters);\n    }\n};\n"],"file":"participantsfilter.min.js"}
\ No newline at end of file
diff --git a/user/amd/src/local/participantsfilter/filter.js b/user/amd/src/local/participantsfilter/filter.js
index 6670c2efe20..445dd3a3125 100644
--- a/user/amd/src/local/participantsfilter/filter.js
+++ b/user/amd/src/local/participantsfilter/filter.js
@@ -184,7 +184,7 @@ export default class {
      * @returns {Number}
      */
     get jointype() {
-        return this.filterRoot.querySelector(Selectors.filter.fields.join).value;
+        return parseInt(this.filterRoot.querySelector(Selectors.filter.fields.join).value, 10);
     }
 
     /**
diff --git a/user/amd/src/participantsfilter.js b/user/amd/src/participantsfilter.js
index 4e31a1590f9..38087537b78 100644
--- a/user/amd/src/participantsfilter.js
+++ b/user/amd/src/participantsfilter.js
@@ -365,11 +365,16 @@ export const init = participantsRegionId => {
      * @return {Promise}
      */
     const updateTableFromFilter = () => {
+        const filters = {};
+        Object.values(activeFilters).forEach(filter => {
+            filters[filter.filterValue.name] = filter.filterValue;
+        });
+
         return DynamicTable.setFilters(
             DynamicTable.getTableFromId(filterSet.dataset.tableRegion),
             {
-                filters: Object.values(activeFilters).map(filter => filter.filterValue),
-                jointype: filterSet.querySelector(Selectors.filterset.fields.join).value,
+                jointype: parseInt(filterSet.querySelector(Selectors.filterset.fields.join).value, 10),
+                filters,
             }
         )
         .catch(Notification.exception);