View source for Widget:DevGuidelines

<noinclude>Development version of the List of Guidelines.<br><strong style="color:red;">Not ready for production!</strong></noinclude>
<includeonly>
    <link href="/resources/assets/tabulator.min.css" rel="stylesheet">
    <script type="text/javascript" src="/resources/assets/tabulator.min.js"></script>
    <style>
        #guideline-list-wrapper {
            font-family: 'Open Sans';
            margin-top: 4em;
        }

        #guideline-list-wrapper h1,
        #guideline-list-wrapper h2,
        #guideline-list-wrapper h3 {
            font-family: 'Raleway';
            font-weight: 300;
            letter-spacing: .06em;
        }

        #guideline-list-wrapper h1,
        #guideline-filters h2 {
            color: var(--links-orange);
            display: flex;
            align-items: center;
        }

        #guideline-list-wrapper h1 svg {
            height: 2.5em;
            width: 2.5em;
            fill: var(--links-orange);
            margin-right: .5em;
        }

        #filter-bar {
            position: relative;
            margin: 1em 0 2em 0;
        }

        #gl-filters {
            position: absolute;
            top: 0;
            right: 0;
            z-index: 100;
            padding: 2em;
            width: 45vw;
            background: #fff;
            border: 1px solid var(--links-orange);
            clip-path: inset(0 0 100% 100%);
            box-shadow: -10px 10px 10px 5px rgb(0 0 0 / 10%);
            transition: all 400ms ease-in-out;
        }

        #gl-filters.open {
            clip-path: inset(0 0 -50px -50px);
        }

        #close-filter-button {
            display: block;
            cursor: pointer;
            font-size: 2.5em;
            line-height: .7em;
            margin-top: -.2em;
            font-weight: 100;
            color: var(--links-orange);
        }

        #gl-filters h2 svg {
            height: 1.5em;
            width: 1.5em;
            margin-right: .5em;
            margin-left: -.2em;
        }

        .large-button {
            border: 1px solid var(--links-orange);
            font-size: 1.5em;
            font-family: 'Open Sans';
            font-weight: 100;
            margin-bottom: 2em;
            padding: 0.3em 0.8em;
            color: var(--links-orange);
            background: transparent;
            font-variant: small-caps;
            display: inline-block;
            transition: all 200ms ease-in-out;
        }

        .large-button:hover {
            background-color: var(--links-orange);
            color: #fff;
        }

        #guidelines-list-wrapper h2 {
            margin-bottom: 1em;
        }

        .filter-button-wrapper {
            margin-bottom: 1em;
        }

        .filter-wrapper button {
            border: 0 none;
            color: var(--links-orange);
            background-color: transparent;
            font-variant: small-caps;
            font-size: 1.2em;
            text-decoration: underline;
            padding: 0;
        }

        .filter-wrapper .filter-container {
            display: none;
        }

        .filter-wrapper.open .filter-container {
            display: block;
        }

        .filter-wrapper h4 {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
        }

        .filter-wrapper .filter-toggle svg {
            width: 1.5em;
            height: 1.5em;
            fill: var(--links-orange);
            cursor: pointer;
        }

        .filter-wrapper.open .filter-toggle {
            transform: rotate(180deg);
        }

        .filter-content {
            font-size: 1.2em;
            margin-bottom: 4em;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(14em, 1fr));
            gap: 1em 1em;
            align-items: start;
        }

        .filter-group-header {
            grid-column: 1/-1;
            margin-bottom: -.5em;
            margin-top: 1em;
            font-family: 'Raleway';
            font-weight: 200;
            letter-spacing: .06em;
        }

        .filter-group-start {
            grid-column-start: 1;
        }

        .filter-content input[type="checkbox"] {
            margin-right: .5em;
        }

        .filter-content img {
            width: 2em;
            height: 2em;
            margin: 0 .5em 0 0;
        }

        #guideline-intro {
            font-size: larger;
            margin-bottom: 4em;
        }

        #guideline-intro ul {
            font-size: initial;
        }

        #guideline-tabulator.tabulator {
            border: 0 none;
            background-color: transparent;
            font-size: 1.2em;
        }

        #guideline-tabulator.tabulator .tabulator-header {
            background-color: transparent;
            border: 0 none;
        }

        #guideline-tabulator.tabulator .tabulator-header .tabulator-col {
            border-bottom: 4px double var(--links-orange);
            border-right: 0 none;
            background: transparent;
        }

        #guideline-tabulator.tabulator .tabulator-header .tabulator-col-content {
            padding: .5em 0;
        }

        #guideline-tabulator.tabulator .tabulator-header .tabulator-col-sorter {
            right: .5em;
        }

        #guideline-tabulator.tabulator .tabulator-row {
            background-color: transparent;
        }

        #guideline-tabulator.tabulator .tabulator-cell {
            border-right: 0 none;
            border-top: 1px solid var(--links-orange);
            padding: .5em .5em .5em 0;
        }

        #guideline-tabulator.tabulator .tabulator-row .tabulator-responsive-collapse {
            border: 0 none;
            padding: 0 .5em 2em 0;
        }

        #filter-summary {
            margin-right: 1em;
        }

        #filter-summary table tr td {
            vertical-align: top;
        }

        #filter-summary table tr td:first-of-type {
            padding-right: 10px;
        }


        #guideline-tabulator.tabulator .tabulator-row .tabulator-responsive-collapse table {
            font-size: smaller;
        }

        #filter-summary table tr td strong,
        #guideline-tabulator.tabulator .tabulator-row .tabulator-responsive-collapse td>strong {
            font-weight: 300;
        }

        #guideline-tabulator.tabulator .guideline-title a,
        #guideline-tabulator.tabulator .tabulator-responsive-collapse table a {
            color: var(--links-orange);
        }

        .data-source-img,
        .func-img {
            width: 1.2rem;
            height: 1.2rem;
            margin-right: .4rem;
            margin-bottom: .4rem;
            filter: grayscale(1);
        }

    </style>
    <script>
        'use strict';

        /**
         * @typedef {Object} FilterState
         * @property {string[]} phases
         * @property {string[]} thematics
         * @property {string[]} audienceExperiences
         * @property {string[]} audienceTargets
         * @property {string[]} languages
         * @property {string[]} dataSources
        */
        let table;  // Tabulator instance

        // This defines how sources are grouped in the filter.
        // Any source not listed here will be added to the last group entitled "More platforms".
        const sourcesLayout = [
            {
                title: 'General',
                sources: ['Crowd', 'Web']
            },
            {
                title: 'Platforms',
                sources: ['Facebook', 'Twitter', 'Instagram', 'YouTube']
            }
        ];

        const PHASES = ["Before", "During", "After"];
        const EX_LEVEL = ["Starter", "Intermediate", "Advanced"];

        // Helpers
        const escapeAttr = text => text ? text.replace(/\W/g, '-') : text;
        const getFilePath = title => title ? '/index.php/Special:FilePath/' + title : title;
        const getQueryUrl = query => '/api.php?action=ask&format=json&query=' + encodeURIComponent(query);
        const removePrefix = str => str.substring(str.indexOf(':') + 1);

        const DATASRC_PROP = 'Data Sources';
        const PHASE_PROP = 'Disaster Management Phase';
        const THEME_PROP = 'Covers Thematic';
        const LANG_PROP = 'Language';
        const YEAR_PROP = 'Year Published';
        const EX_PROP = 'Audience Experience Level';
        const TA_PROP = 'Target Audience';

        const guidelineQuery = '[[Category:Guideline]]'
            + '|?' + DATASRC_PROP
            + '|?' + PHASE_PROP
            + '|?' + THEME_PROP
            + '|?' + LANG_PROP
            + '|?' + YEAR_PROP
            + '|?' + EX_PROP
            + '|?' + TA_PROP;
        + '|limit=500'


        async function getGuidelines() {
            const guidelinesResponse = await fetch(getQueryUrl(guidelineQuery)).then(response => response.json());

            return Object.keys(guidelinesResponse.query.results).map(title => {
                const guidelineResult = guidelinesResponse.query.results[title];

                /** @type {Guideline} **/
                const guideline = {};
                guideline.title = title;
                guideline.url = guidelineResult.fullurl;
                guideline[DATASRC_PROP] = guidelineResult.printouts[DATASRC_PROP].map(source => source.fulltext).sort();
                guideline[PHASE_PROP] = guidelineResult.printouts[PHASE_PROP].map(value => value.fulltext);
                guideline[THEME_PROP] = guidelineResult.printouts[THEME_PROP].map(value => value.fulltext);
                guideline[LANG_PROP] = guidelineResult.printouts[LANG_PROP].map(value => value.fulltext);
                guideline[TA_PROP] = guidelineResult.printouts[TA_PROP].map(value => value.fulltext);
                guideline[EX_PROP] = guidelineResult.printouts[EX_PROP].map(value => value.fulltext);
                guideline[YEAR_PROP] = guidelineResult.printouts[YEAR_PROP][0] && guidelineResult.printouts[YEAR_PROP][0].raw.slice(-4);
                return guideline;
            });
        }


        // Fetches platform / data source information.
        async function getSources() {
            const IMG_KEY = 'IMAGE';
            const sourceResponse = await fetch(
                getQueryUrl('[[Category:Social media platform]]|?' + IMG_KEY)
            ).then(response => response.json());

            return Object.keys(sourceResponse.query.results).map(platform => {
                const img = sourceResponse.query.results[platform].printouts[IMG_KEY][0];
                return {
                    name: platform,
                    image: img ? getFilePath(img.fulltext) : undefined
                };
            });
        }
        function applyFilters(clear) {
            // TODO: apply Filters
            if (!table) return;

            // If clear=true, pass empty object to the filter to disable it.
            if (clear) {
                table.setFilter(guidelineFilter, {});
                return;
            }

            /** @type {FilterState} **/
            const filterState = {};

            const phaseOptions = Array.from(document.querySelectorAll('#phase-filter input[type="checkbox"]'));
            const selectedPhases = phaseOptions.filter(checkbox => checkbox.checked).map(checkbox => checkbox.value);
            filterState.phases = selectedPhases.length === phaseOptions.length ? undefined : selectedPhases;

            const thematicOptions = Array.from(document.querySelectorAll('#thematic-filter input[type="checkbox"]'));
            const selectedthematics = thematicOptions.filter(checkbox => checkbox.checked).map(checkbox => checkbox.value);
            filterState.thematics = selectedthematics.length === thematicOptions.length ? undefined : selectedthematics;

            const audienceExperienceOptions = Array.from(document.querySelectorAll('#audience-experience-filter input[type="checkbox"]'));
            const selectedaudienceExperiences = audienceExperienceOptions.filter(checkbox => checkbox.checked).map(checkbox => checkbox.value);
            filterState.audienceExperiences = selectedaudienceExperiences.length === audienceExperienceOptions.length ? undefined : selectedaudienceExperiences;

            const audienceTargetOptions = Array.from(document.querySelectorAll('#target-audience-filter input[type="checkbox"]'));
            const selectedaudienceTargets = audienceTargetOptions.filter(checkbox => checkbox.checked).map(checkbox => checkbox.value);
            filterState.audienceTargets = selectedaudienceTargets.length === audienceTargetOptions.length ? undefined : selectedaudienceTargets;

            const languageOptions = Array.from(document.querySelectorAll('#language-filter input[type="checkbox"]'));
            const selectedlanguages = languageOptions.filter(checkbox => checkbox.checked).map(checkbox => checkbox.value);
            filterState.languages = selectedlanguages.length === languageOptions.length ? undefined : selectedlanguages;

            const sourceOptions = Array.from(document.querySelectorAll('#data-source-filter input[type="checkbox"]'));
            const selectedSources = sourceOptions.filter(checkbox => checkbox.checked).map(checkbox => checkbox.value);
            filterState.dataSources = selectedSources.length === sourceOptions.length ? undefined : selectedSources;


            table.setFilter(guidelineFilter, filterState);
        }


        /**
         * @param {Guideline} guideline
         * @param {FilterState} filterState
         */
        function guidelineFilter(guideline, filterState) {
            // If filtering property is empty, don't apply the filter (set the check to true).
            // Passing an empty object (as with applyFilters(true)) should result in an unfiltered table.
            const phaseCheck = filterState.phases
                ? guideline[PHASE_PROP].some(phase => filterState.phases.includes(phase))
                : true;
            const thematicCheck = filterState.thematics
                ? guideline[THEME_PROP].some(theme => filterState.thematics.includes(theme))
                : true;
            const audienceExperiencesCheck = filterState.audienceExperiences
                ? guideline[EX_PROP].some(ex => filterState.audienceExperiences.includes(ex))
                : true;
            const audienceTargetCheck = filterState.audienceTargets
                ? guideline[TA_PROP].some(target => filterState.audienceTargets.includes(target))
                : true;
            const langCheck = filterState.languages
                ? guideline[LANG_PROP].some(lang => filterState.languages.includes(lang))
                : true;
            const sourcesCheck = filterState.dataSources
                ? guideline[DATASRC_PROP].some(source => filterState.dataSources.includes(source))
                : true;

            return phaseCheck && thematicCheck && audienceExperiencesCheck && audienceTargetCheck && langCheck && sourcesCheck;
        }

        Promise.all([getSources(), getGuidelines()]).then(data => {

            const [dataSources, guidelines] = data;


            let COVERS_THEMATIC_VALUES = []
            let LANGUAGES_VALUES = [];
            let TARGET_AUDIENCE_VALUES = [];
            let EXPERIENCE_LEVEL_VALUES = [];
            let YEAR_LEVEL_VALUES = [];
            let PHASE_VALUES = [];

            for (const guideline of guidelines) {

                LANGUAGES_VALUES = LANGUAGES_VALUES.concat(guideline[LANG_PROP]);
                COVERS_THEMATIC_VALUES = COVERS_THEMATIC_VALUES.concat(guideline[THEME_PROP])
                TARGET_AUDIENCE_VALUES = TARGET_AUDIENCE_VALUES.concat(guideline[TA_PROP])
                YEAR_LEVEL_VALUES = YEAR_LEVEL_VALUES.concat(guideline[YEAR_PROP])
            }

            LANGUAGES_VALUES = LANGUAGES_VALUES.sort();
            COVERS_THEMATIC_VALUES = COVERS_THEMATIC_VALUES.sort();
            TARGET_AUDIENCE_VALUES = TARGET_AUDIENCE_VALUES.sort();

            LANGUAGES_VALUES = new Set(LANGUAGES_VALUES);
            COVERS_THEMATIC_VALUES = new Set(COVERS_THEMATIC_VALUES);
            TARGET_AUDIENCE_VALUES = new Set(TARGET_AUDIENCE_VALUES);
            YEAR_LEVEL_VALUES = new Set(YEAR_LEVEL_VALUES);
            PHASE_VALUES = PHASES;
            EXPERIENCE_LEVEL_VALUES = EX_LEVEL;

            // Set up sources filter
            const groupedSources = [];
            const sourcesCopy = Array.from(dataSources);
            for (const layoutGroup of sourcesLayout) {
                const group = [];
                for (const source of layoutGroup.sources) {
                    let idx = sourcesCopy.findIndex(src => src.name === source);
                    if (idx !== -1) { group.push(sourcesCopy.splice(idx, 1)[0]); }
                }
                if (group.length > 0) { groupedSources.push({ title: layoutGroup.title, sources: group }); }
            }
            groupedSources.push({ title: 'More platforms', sources: sourcesCopy });

            let dataSourceFilterHtml = '';
            groupedSources.forEach(group => {
                dataSourceFilterHtml += '<div class="filter-group-header">' + group.title + '</div>';
                dataSourceFilterHtml += group.sources.reduce((acc, curr, idx) => {
                    const identifier = escapeAttr(curr.name);
                    return acc +
                        '<div ' + (idx === 0 ? ' class="filter-group-start">' : '>') +
                        '<input type="checkbox" id="filter-' + identifier + '" value="' + curr.name + '" checked>' +
                        '<label for="filter-' + identifier + '"><img src="' + curr.image + '"> ' + curr.name + '</label></div>'
                }, '');
            });
            document.getElementById('data-source-filter').innerHTML = dataSourceFilterHtml;



            let languageFilterHtml = Array.from(LANGUAGES_VALUES.values()).reduce((acc, curr) => {
                const identifier = escapeAttr(curr);
                return acc
                    + '<div><input type="checkbox" checked id="language-filter-' + identifier
                    + '" value="' + curr + '">'
                    + '<label for="language-filter-' + identifier + '">' + curr + '</label></div>'
            }, '');
            document.getElementById('language-filter').innerHTML = languageFilterHtml;

            let coversThematicHtml = Array.from(COVERS_THEMATIC_VALUES.values()).reduce((acc, curr) => {
                const identifier = escapeAttr(curr);
                return acc
                    + '<div><input type="checkbox" checked id="thematic-filter-' + identifier
                    + '" value="' + curr + '">'
                    + '<label for="thematic-filter-' + identifier + '">' + curr + '</label></div>'
            }, '');
            document.getElementById('thematic-filter').innerHTML = coversThematicHtml;

            let phaseHtml = Array.from(PHASE_VALUES.values()).reduce((acc, curr) => {
                const identifier = escapeAttr(curr);
                return acc
                    + '<div><input type="checkbox" checked id="phase-filter-' + identifier
                    + '" value="' + curr + '">'
                    + '<label for="phase-filter-' + identifier + '">' + curr + '</label></div>'
            }, '');
            document.getElementById('phase-filter').innerHTML = phaseHtml;

            let targetAudienceHtml = Array.from(TARGET_AUDIENCE_VALUES.values()).reduce((acc, curr) => {
                const identifier = escapeAttr(curr);
                return acc
                    + '<div><input type="checkbox" checked id="target-audience-filter-' + identifier
                    + '" value="' + curr + '">'
                    + '<label for="target-audience-filter-' + identifier + '">' + curr + '</label></div>'
            }, '');
            document.getElementById('target-audience-filter').innerHTML = targetAudienceHtml;

            let targetAudienceExperienceHtml = Array.from(EXPERIENCE_LEVEL_VALUES.values()).reduce((acc, curr) => {
                const identifier = escapeAttr(curr);
                return acc
                    + '<div><input type="checkbox" checked id="audience-experience-filter-' + identifier
                    + '" value="' + curr + '">'
                    + '<label for="audience-experience-filter-' + identifier + '">' + curr + '</label></div>'
            }, '');
            document.getElementById('audience-experience-filter').innerHTML = targetAudienceExperienceHtml;

            const tabulator = new Tabulator('#guideline-tabulator', {
                data: guidelines,
                layout: 'fitDataFill',
                responsiveLayout: 'collapse',
                columns: [
                    {
                        title: 'Title',
                        field: 'title',
                        cssClass: 'guideline-title',
                        formatter: cell => '<a href="' + cell.getData().url + '">' + cell.getValue() + '</a>'
                    },
                    {
                        title: 'Year',
                        field: YEAR_PROP
                    },
                    {
                        title: 'Language',
                        field: LANG_PROP,
                        formatter: cell => cell.getValue().join(', ')
                    },
                    {
                        title: 'Audience experience level',
                        field: EX_PROP,
                        formatter: cell => cell.getValue().join(', ')
                    },
                    {
                        title: 'Covers thematic',
                        field: THEME_PROP,
                        formatter: cell => cell.getValue().join(', ')
                    },
                    {
                        title: 'Target audience',
                        field: TA_PROP,
                        formatter: cell => cell.getValue().join(', ')
                    },
                    {
                        title: 'Disaster Management Phase',
                        field: PHASE_PROP,
                        formatter: cell => cell.getValue().join(', ')
                    },
                    {
                        title: 'Supported Platforms',
                        field: DATASRC_PROP,
                        minWidth: 300, // required for responsiveness when using fitColumns
                        cssClass: 'data-sources-cell',
                        formatter: function (cell) {
                            const val = cell.getValue();
                            let out = '<div>';

                            groupedSources.forEach((group, gIndex) => {
                                // if (gIndex === groupedSources.length - 1) { out += '<div class="sources-collapse">'; }
                                out += group.sources.reduce((prev, curr) => {
                                    const idx = val.findIndex(src => src === curr.name);
                                    if (idx === -1) {
                                        return prev;
                                    } else {
                                        return curr.image
                                            ? prev + '<img class="data-source-img" data-value="' + curr.name
                                            + '" src="' + curr.image
                                            + '" alt="' + curr.name
                                            + '" title="' + curr.name + '">'
                                            : prev + ' ' + curr.name;
                                    }
                                }, '');
                                if (gIndex === groupedSources.length - 1) {
                                    // out += '<span class="sources-collapse-toggle"></span>';
                                    // out += '</div>';
                                }
                            });
                            return out + '</div>';
                        }
                    }

                ],
                initialSort: [
                    { column: 'title', dir: 'asc' }
                ]
            });

            tabulator.on('tableBuilt', () => {
                tabulator.redraw(true);
                console.log('done')
                table = tabulator;

            });
            tabulator.on('dataFiltered', (filters, rows) => {
                const summary = document.getElementById('filter-summary');
                const filter = filters[0];

                // Set result counter
                document.getElementById('result-count').textContent = rows.length;

                // Exit if filter object/type doesn't exist (happens after Tabulator's own filter reset).
                if (!(filter && filter.type)) { summary.textContent = 'No filter. Showing all results.'; return; }



                // Update filter text.
                if (
                    !filter.type.thematics &&
                    !filter.type.languages &&
                    !filter.type.phases &&
                    !filter.type.audienceTargets &&
                    !filter.type.audienceExperiences &&
                    !filter.type.dataSources
                ) { summary.textContent = 'No filter. Showing all results.'; }
                else {
                    let summaryHtml = '<table>';
                    if (filter.type.thematics) {
                        summaryHtml += '<tr><td><strong>Covers Thematic</strong></td><td>'
                            + (filter.type.thematics.length > 0 ? filter.type.thematics.join(', ') : 'none')
                            + '</td></tr>';
                    }
                    if (filter.type.languages) {
                        summaryHtml += '<tr><td><strong>Language</strong></td><td>'
                            + (filter.type.languages.length > 0 ? filter.type.languages.join(', ') : 'none')
                            + '</td></tr>';
                    }
                    if (filter.type.phases) {
                        summaryHtml += '<tr><td><strong>Disaster Management Phase</strong></td><td>'
                            + (filter.type.phases.length > 0 ? filter.type.phases.join(', ') : 'none')
                            + '</td></tr>';
                    }
                    if (filter.type.audienceTargets) {
                        summaryHtml += '<tr><td><strong>Target audience</strong></td><td>'
                            + (filter.type.audienceTargets.length > 0 ? filter.type.audienceTargets.join(', ') : 'none')
                            + '</td></tr>';
                    }
                    if (filter.type.audienceExperiences) {
                        summaryHtml += '<tr><td><strong>Audience experience level</strong></td><td>'
                            + (filter.type.audienceExperiences.length > 0 ? filter.type.audienceExperiences.join(', ') : 'none')
                            + '</td></tr>';
                    }
                    if (filter.type.dataSources) {
                        summaryHtml += '<tr><td><strong>Platforms</strong></td><td>'
                            + (filter.type.dataSources.length > 0 ? filter.type.dataSources.join(', ') : 'none')
                            + '</td></tr>';
                    }
                    summaryHtml += '</table>';
                    summary.innerHTML = summaryHtml;
                }

                const markImages = () => {
                    const selectedSources = filter.type.dataSources;
                    const selectedFunctions = filter.type.functions;

                    // Mark data source images
                    document.querySelectorAll('.data-sources-cell .data-source-img, .tabulator-responsive-collapse .data-source-img')
                        .forEach(img => {
                            if (!selectedSources || selectedSources.includes(img.dataset.value)) { img.classList.remove('unselected'); }
                            else { img.classList.add('unselected'); }
                        });

                    // Mark functions images
                    document.querySelectorAll('.functions-cell .func-img').forEach(img => {
                        if (!selectedFunctions || selectedFunctions.includes(img.dataset.value)) { img.classList.remove('unselected'); }
                        else { img.classList.add('unselected'); }
                    });

                    tabulator.off('renderComplete', markImages);
                }
                tabulator.on('renderComplete', markImages); // TODO: Prevent this from running if corresponding filters are not active.
            });

            // Listen for changes in filter checkbox state.
            document.getElementById('thematic-filter').addEventListener('change', event => {
                applyFilters();
            }, { passive: true });
            document.getElementById('audience-experience-filter').addEventListener('change', event => {
                applyFilters();
            }, { passive: true });
            document.getElementById('language-filter').addEventListener('change', event => {
                applyFilters();
            }, { passive: true });
            document.getElementById('phase-filter').addEventListener('change', event => {
                applyFilters();
            }, { passive: true });
            document.getElementById('target-audience-filter').addEventListener('change', event => {
                applyFilters();
            }, { passive: true });
                document.getElementById('data-source-filter').addEventListener('change', event => {
                applyFilters();
            }, { passive: true });


            // Listen for clicks on filter toggles
            document.querySelectorAll('.filter-wrapper .filter-toggle').forEach(el => {
                const wrapper = el.closest('.filter-wrapper');
                el.addEventListener('click', event => void wrapper.classList.toggle('open'));
            });

            // Close filter pane when clicked outside of it.
            document.body.addEventListener('click', event => {
                const filterPane = document.getElementById('gl-filters');
                if (
                    filterPane.classList.contains('open') &&
                    !filterPane.contains(event.target) &&
                    event.target !== document.querySelector('#filter-bar .large-button')
                ) { filterPane.classList.remove('open'); }
            }, { passive: true });

            // Fix bug where the table is truncated to zero height despite having visible rows.
            tabulator.on('renderComplete', function () {
                // TODO: Check the bugfix for a possible infinite event loop.
                // This will help detect it, in case it happens.
                console.log('Table height bugfix: render complete.');

                try {
                    const holderHeight = tabulator.rowManager.element.offsetHeight;
                    const tableHeight = tabulator.rowManager.tableElement.offsetHeight;
                    if (
                        holderHeight < tableHeight ||                           // table is truncated vertically (including zero-height)
                        holderHeight - tableHeight > window.screen.availHeight  // table is more than a screen longer than content
                    ) {
                        tabulator.redraw();
                    }
                } catch (ignore) { }
            });
            // End bugfix
        });

        function selectAll(context) {
            document.querySelectorAll(context + ' input[type="checkbox"]').forEach(checkbox => checkbox.checked = true);
            applyFilters();
        }

        function deselectAll(context) {
            document.querySelectorAll(context + ' input[type="checkbox"]').forEach(checkbox => checkbox.checked = false);
            applyFilters();
        }

        function clearFilters() {
            document.querySelectorAll('#gl-filters input[type="checkbox"]').forEach(checkbox => checkbox.checked = checkbox.defaultChecked);
            applyFilters(true);
        }

        function toggleFilter() {
            document.getElementById('gl-filters').classList.toggle('open');
        }
    </script>
    <!-- Icon definitons -->
    <svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" overflow="hidden" style="display:none;">
        <defs>
            <symbol id="chevron-down" viewBox="0 0 96 96">
                <clipPath id="chev">
                    <path d="M592 312h96v96h-96z" />
                </clipPath>
                <g clip-path="url(#chev)" transform="translate(-592 -312)">
                    <path
                        d="m640 370.586-25.293-25.293-1.414 1.414L640 373.414l26.707-26.707-1.414-1.414L640 370.586Z" />
                </g>
            </symbol>
        </defs>
    </svg>


    <div id="guideline-list-wrapper">
        <h1>
            <svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" overflow="hidden" viewBox="0 0 96 96">
                <defs>
                    <clipPath id="b">
                        <path d="M65 455h96v96H65z" />
                    </clipPath>
                </defs>
                <g clip-path="url(#b)" transform="translate(-65 -455)">
                    <path
                        d="M138 463H84v79.961h54a5.014 5.014 0 0 0 5.019-5V468a5.014 5.014 0 0 0-5.019-5Zm-52 2h6.261v75.961H86Zm55.019 72.963a3.012 3.012 0 0 1-3.019 3H94.261V465H138a3.013 3.013 0 0 1 3.019 3Z" />
                    <path d="M104 489h28v2h-28ZM110 500h16v2h-16Z" />
                </g>
            </svg>
            <span>Guidelines</span>
        </h1>
        <div id="guideline-intro">
            <p>The guidelines library gathers and structures existing guiding documents (guidelines, legal documents,
                Standard Operation Procedures) that support the implementation and use of social media and crowdsourcing
                in disaster management organisations.
            </p>
            <ul>
                <li>Building a communication strategy for social media and consideration of the main elements (e.g.
                    needed roles for the team)</li>
                <li>Set up and evaluate social media activities</li>
                <li>Recommended actions on social media before, during and after a crisis</li>
                <li>Tips and behavioural advice for citizens on social media in crisis situations</li>
                <li>Consideration of legal requirements when using social media</li>
                <li>Verification of information from social media;</li>
                <li>Use of technologies to support work with social media</li>
                <li>Support of vulnerable people with specific needs</li>
            </ul>
        </div>
    </div>

    <!-- FILTERS -->

    <div id="filter-bar">
        <div style="display: flex; justify-content: space-between;">
            <div style="flex: 1 1;">
                <h2 style="margin-bottom: 1rem;">Applied Filters</h2>
                <div id="filter-summary">No filter. Showing all results.</div>
            </div>
            <div style="flex: 0 0;">
                <button class="large-button" type="button" onclick="toggleFilter()">Filters</button>
            </div>
        </div>
        <h2 style="margin-top: 2.5rem; margin-bottom: 0;">Results: <span id="result-count"></span></h2>
        <div id="gl-filters">
            <h2 style="display: flex; justify-content: space-between;">
                <div>
                    <svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" overflow="hidden" viewBox="0 0 96 96">
                        <defs>
                            <clipPath id="b">
                                <path d="M592 312h96v96h-96z" />
                            </clipPath>
                        </defs>
                        <g clip-path="url(#b)" transform="translate(-592 -312)">
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                                d="M636 356.012v38.011l8-8v-30.011L674 326h-68Zm6.588-1.412-.588.584v30.008l-4 4v-34.008l-.585-.586L610.828 328h58.348Z" />
                        </g>
                    </svg>
                    <span>Filters</span>
                </div>
                <a onclick="toggleFilter()" id="close-filter-button">&times;</a>
            </h2>
            <div style="text-align: center;">
                <button class="large-button" type="button" onclick="clearFilters()">Clear Filters</button>
            </div>
            <div class="filter-wrapper">
                <h4>Covers Thematic <span class="filter-toggle"><svg>
                            <use href="#chevron-down" />
                        </svg></span></h4>
                <div class="filter-container">
                    <div class="filter-button-wrapper">
                        <button type="button" onclick="selectAll('#thematic-filter')">Select all</button> |
                        <button type="button" onclick="deselectAll('#thematic-filter')">Clear all</button>
                    </div>
                    <div class="filter-content" id="thematic-filter"></div>
                </div>
            </div>
            <div class="filter-wrapper">
                <h4>Language<span class="filter-toggle"><svg>
                            <use href="#chevron-down" />
                        </svg></span></h4>
                <div class="filter-container">
                    <div class="filter-button-wrapper">
                        <button type="button" onclick="selectAll('#language-filter')">Select all</button> |
                        <button type="button" onclick="deselectAll('#language-filter')">Clear all</button>
                    </div>
                    <div class="filter-content" id="language-filter"></div>
                </div>
            </div>
            <div class="filter-wrapper">
                <h4>Disaster Management Phase<span class="filter-toggle"><svg>
                            <use href="#chevron-down" />
                        </svg></span></h4>
                <div class="filter-container">
                    <div class="filter-button-wrapper">
                        <button type="button" onclick="selectAll('#phase-filter')">Select all</button> |
                        <button type="button" onclick="deselectAll('#phase-filter')">Clear all</button>
                    </div>
                    <div class="filter-content" id="phase-filter"></div>
                </div>
            </div>
            <div class="filter-wrapper">
                <h4>Target audience<span class="filter-toggle"><svg>
                            <use href="#chevron-down" />
                        </svg></span></h4>
                <div class="filter-container">
                    <div class="filter-button-wrapper">
                        <button type="button" onclick="selectAll('#target-audience-filter')">Select all</button> |
                        <button type="button" onclick="deselectAll('#target-audience-filter')">Clear all</button>
                    </div>
                    <div class="filter-content" id="target-audience-filter"></div>
                </div>
            </div>
            <div class="filter-wrapper">
                <h4>Audience experience level<span class="filter-toggle"><svg>
                            <use href="#chevron-down" />
                        </svg></span></h4>
                <div class="filter-container">
                    <div class="filter-button-wrapper">
                        <button type="button" onclick="selectAll('#audience-experience-filter')">Select all</button> |
                        <button type="button" onclick="deselectAll('#audience-experience-filter')">Clear all</button>
                    </div>
                    <div class="filter-content" id="audience-experience-filter"></div>
                </div>
            </div>
            <div class="filter-wrapper">
                <h4>Supported Platforms <span class="filter-toggle"><svg>
                            <use href="#chevron-down" />
                        </svg></span></h4>
                <div class="filter-container">
                    <div class="filter-button-wrapper">
                        <button type="button" onclick="selectAll('#data-source-filter')">Select all</button> |
                        <button type="button" onclick="deselectAll('#data-source-filter')">Clear all</button>
                    </div>
                    <div class="filter-content" id="data-source-filter"></div>
                </div>
            </div>
        </div>
    </div>

    <div id="guideline-tabulator"></div>

</includeonly>