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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 * This module handles the creation of a Modal that shows the user's post in context of the entire discussion.\n *\n * @module mod_forum/grades/expandconversation\n * @package mod_forum\n * @copyright 2019 Mathew May <mathew.solutions>\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as ForumSelectors from './grader/selectors';\nimport Repository from 'mod_forum/repository';\nimport {exception as showException} from \"core/notification\";\nimport Templates from 'core/templates';\nimport * as Modal from 'core/modal_factory';\nimport * as ModalEvents from 'core/modal_events';\n\n/**\n * Find the Node containing the gradable details from the provided node by searching up the tree.\n *\n * @param {HTMLElement} node\n * @returns {HTMLElement}\n */\nconst findGradableNode = node => node.closest(ForumSelectors.expandConversation);\n\n/**\n * Show the post in context in a modal.\n *\n * @param {HTMLElement} rootNode The button that has been clicked\n */\nconst showPostInContext = async(rootNode, {\n focusOnClose = null,\n} = {}) => {\n const postId = rootNode.dataset.postid;\n const discussionId = rootNode.dataset.discussionid;\n const discussionName = rootNode.dataset.name;\n const experimentalDisplayMode = rootNode.dataset.experimentalDisplayMode == \"1\";\n\n const [\n allPosts,\n modal,\n ] = await Promise.all([\n Repository.getDiscussionPosts(parseInt(discussionId)),\n Modal.create({\n title: discussionName,\n large: true,\n type: Modal.types.CANCEL\n }),\n ]);\n\n const postsById = new Map(allPosts.posts.map(post => {\n post.readonly = true;\n post.hasreplies = false;\n post.replies = [];\n return [post.id, post];\n }));\n\n let posts = [];\n allPosts.posts.forEach(post => {\n if (post.parentid) {\n const parent = postsById.get(post.parentid);\n if (parent) {\n post.parentauthorname = parent.author.fullname;\n parent.hasreplies = true;\n parent.replies.push(post);\n } else {\n posts.push(post);\n }\n } else {\n posts.push(post);\n }\n });\n\n // Handle hidden event.\n modal.getRoot().on(ModalEvents.hidden, function() {\n // Destroy when hidden.\n modal.destroy();\n try {\n focusOnClose.focus();\n } catch (e) {\n // eslint-disable-line\n }\n });\n\n modal.getRoot().on(ModalEvents.bodyRendered, () => {\n const relevantPost = modal.getRoot()[0].querySelector(`#p${postId}`);\n if (relevantPost) {\n relevantPost.scrollIntoView({behavior: \"smooth\"});\n }\n });\n\n modal.show();\n\n // Note: We do not use await here because it messes with the Modal transitions.\n const templatePromise = Templates.render('mod_forum/grades/grader/discussion/post_modal', {\n posts,\n experimentaldisplaymode: experimentalDisplayMode\n });\n modal.setBody(templatePromise);\n};\n\n/**\n * Register event listeners for the expand conversations button.\n *\n * @param {HTMLElement} rootNode The root to listen to.\n */\nexport const registerEventListeners = (rootNode) => {\n rootNode.addEventListener('click', (e) => {\n const rootNode = findGradableNode(e.target);\n\n if (rootNode) {\n e.preventDefault();\n\n try {\n showPostInContext(rootNode, {\n focusOnClose: e.target,\n });\n } catch (err) {\n showException(err);\n }\n }\n });\n};\n"],"file":"expandconversation.min.js"}