moodle/contentbank/amd/build/sort.min.js.map

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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 * Content bank UI actions.\n *\n * @module     core_contentbank/sort\n * @copyright  2020 Bas Brands <bas@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport selectors from './selectors';\nimport {get_string as getString} from 'core/str';\nimport Prefetch from 'core/prefetch';\nimport Ajax from 'core/ajax';\nimport Notification from 'core/notification';\n\n/**\n * Set up the contentbank views.\n *\n * @method init\n */\nexport const init = () => {\n    const contentBank = document.querySelector(selectors.regions.contentbank);\n    Prefetch.prefetchStrings('contentbank', ['contentname', 'uses', 'lastmodified', 'size', 'type', 'author']);\n    Prefetch.prefetchStrings('moodle', ['sortbyx', 'sortbyxreverse']);\n    registerListenerEvents(contentBank);\n};\n\n/**\n * Register contentbank related event listeners.\n *\n * @method registerListenerEvents\n * @param {HTMLElement} contentBank The DOM node of the content bank\n */\nconst registerListenerEvents = (contentBank) => {\n\n    contentBank.addEventListener('click', e => {\n        const viewList = contentBank.querySelector(selectors.actions.viewlist);\n        const viewGrid = contentBank.querySelector(selectors.actions.viewgrid);\n\n        // View as Grid button.\n        if (e.target.closest(selectors.actions.viewgrid)) {\n            contentBank.classList.remove('view-list');\n            contentBank.classList.add('view-grid');\n            viewGrid.classList.add('active');\n            viewList.classList.remove('active');\n            setViewListPreference(false);\n\n            return;\n        }\n\n        // View as List button.\n        if (e.target.closest(selectors.actions.viewlist)) {\n            contentBank.classList.remove('view-grid');\n            contentBank.classList.add('view-list');\n            viewList.classList.add('active');\n            viewGrid.classList.remove('active');\n            setViewListPreference(true);\n\n            return;\n        }\n\n        // TODO: This should _not_ use `document`. Every query should be constrained to the content bank container.\n        const fileArea = document.querySelector(selectors.regions.filearea);\n        const shownItems = fileArea.querySelectorAll(selectors.elements.listitem);\n\n        if (fileArea && shownItems) {\n\n            // Sort by file name alphabetical\n            const sortByName = e.target.closest(selectors.actions.sortname);\n            if (sortByName) {\n                const ascending = updateSortButtons(contentBank, sortByName);\n                updateSortOrder(fileArea, shownItems, 'data-file', ascending);\n                return;\n            }\n\n            // Sort by uses.\n            const sortByUses = e.target.closest(selectors.actions.sortuses);\n            if (sortByUses) {\n                const ascending = updateSortButtons(contentBank, sortByUses);\n                updateSortOrder(fileArea, shownItems, 'data-uses', ascending);\n                return;\n            }\n\n            // Sort by date.\n            const sortByDate = e.target.closest(selectors.actions.sortdate);\n            if (sortByDate) {\n                const ascending = updateSortButtons(contentBank, sortByDate);\n                updateSortOrder(fileArea, shownItems, 'data-timemodified', ascending);\n                return;\n            }\n\n            // Sort by size.\n            const sortBySize = e.target.closest(selectors.actions.sortsize);\n            if (sortBySize) {\n                const ascending = updateSortButtons(contentBank, sortBySize);\n                updateSortOrder(fileArea, shownItems, 'data-bytes', ascending);\n                return;\n            }\n\n            // Sort by type.\n            const sortByType = e.target.closest(selectors.actions.sorttype);\n            if (sortByType) {\n                const ascending = updateSortButtons(contentBank, sortByType);\n                updateSortOrder(fileArea, shownItems, 'data-type', ascending);\n                return;\n            }\n\n            // Sort by author.\n            const sortByAuthor = e.target.closest(selectors.actions.sortauthor);\n            if (sortByAuthor) {\n                const ascending = updateSortButtons(contentBank, sortByAuthor);\n                updateSortOrder(fileArea, shownItems, 'data-author', ascending);\n            }\n            return;\n        }\n    });\n};\n\n\n/**\n * Set the contentbank user preference in list view\n *\n * @param  {Bool} viewList view ContentBank as list.\n * @return {Promise} Repository promise.\n */\nconst setViewListPreference = function(viewList) {\n\n    // If the given status is not hidden, the preference has to be deleted with a null value.\n    if (viewList === false) {\n        viewList = null;\n    }\n\n    const request = {\n        methodname: 'core_user_update_user_preferences',\n        args: {\n            preferences: [\n                {\n                    type: 'core_contentbank_view_list',\n                    value: viewList\n                }\n            ]\n        }\n    };\n\n    return Ajax.call([request])[0].catch(Notification.exception);\n};\n\n/**\n * Update the sort button view.\n *\n * @method updateSortButtons\n * @param {HTMLElement} contentBank The DOM node of the contentbank button\n * @param {HTMLElement} sortButton The DOM node of the sort button\n * @return {Bool} sort ascending\n */\nconst updateSortButtons = (contentBank, sortButton) => {\n    const sortButtons = contentBank.querySelectorAll(selectors.elements.sortbutton);\n\n    sortButtons.forEach((button) => {\n        if (button !== sortButton) {\n            button.classList.remove('dir-asc');\n            button.classList.remove('dir-desc');\n            button.classList.add('dir-none');\n\n            updateButtonTitle(button, false);\n        }\n    });\n\n    let ascending = true;\n\n    if (sortButton.classList.contains('dir-none')) {\n        sortButton.classList.remove('dir-none');\n        sortButton.classList.add('dir-asc');\n    } else if (sortButton.classList.contains('dir-asc')) {\n        sortButton.classList.remove('dir-asc');\n        sortButton.classList.add('dir-desc');\n        ascending = false;\n    } else if (sortButton.classList.contains('dir-desc')) {\n        sortButton.classList.remove('dir-desc');\n        sortButton.classList.add('dir-asc');\n    }\n\n    updateButtonTitle(sortButton, ascending);\n\n    return ascending;\n};\n\n/**\n * Update the button title.\n *\n * @method updateButtonTitle\n * @param {HTMLElement} button Button to update\n * @param {Bool} ascending Sort direction\n * @return {Promise} string promise\n */\nconst updateButtonTitle = (button, ascending) => {\n\n    const sortString = (ascending ? 'sortbyxreverse' : 'sortbyx');\n\n    return getString(button.dataset.string, 'contentbank')\n    .then(columnName => {\n        return getString(sortString, 'core', columnName);\n    })\n    .then(sortByString => {\n        button.setAttribute('title', sortByString);\n        return sortByString;\n    })\n    .catch();\n};\n\n/**\n * Update the sort order of the itemlist and update the DOM\n *\n * @method updateSortOrder\n * @param {HTMLElement} fileArea the Dom container for the itemlist\n * @param {Array} itemList Nodelist of Dom elements\n * @param {String} attribute the attribut to sort on\n * @param {Bool} ascending Sort Ascending\n */\nconst updateSortOrder = (fileArea, itemList, attribute, ascending) => {\n    const sortList = [].slice.call(itemList).sort(function(a, b) {\n\n        let aa = a.getAttribute(attribute);\n        let bb = b.getAttribute(attribute);\n        if (!isNaN(aa)) {\n           aa = parseInt(aa);\n           bb = parseInt(bb);\n        }\n\n        if (ascending) {\n            return aa > bb ? 1 : -1;\n        } else {\n            return aa < bb ? 1 : -1;\n        }\n    });\n    sortList.forEach(listItem => fileArea.appendChild(listItem));\n};\n"],"file":"sort.min.js"}