diff options
Diffstat (limited to 'public/javascripts/autocomplete.js')
-rw-r--r-- | public/javascripts/autocomplete.js | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/public/javascripts/autocomplete.js b/public/javascripts/autocomplete.js deleted file mode 100644 index 61f400a..0000000 --- a/public/javascripts/autocomplete.js +++ /dev/null @@ -1,87 +0,0 @@ -const EventEmitter = require('events') - -const self = new EventEmitter() - -self._users = [] -self._selectedUserIndex = -1 - -self._nodes = { - search: document.querySelector('#search'), - input: document.querySelector('input[type="search"]'), - autocomplete: document.querySelector('.autocomplete') -} - -self.getSelectedUser = function () { - if (self.getItems() === []) return - - if (self.getSelectedUserIndex() === -1) { - return self.getItems()[0] - } else { - return self.getItems()[self.getSelectedUserIndex()] - } -} - -self.getSelectedUserIndex = function () { - return self._selectedUserIndex -} - -self.getItems = function () { - return self._users -} - -self.removeAllItems = function () { - while (self._nodes.autocomplete.firstChild) { - self._nodes.autocomplete.removeChild(self._nodes.autocomplete.firstChild) - } - self._users = [] - self._selectedUserIndex = -1 -} - -self.addItem = function (user) { - const listItem = document.createElement('li') - listItem.textContent = user.value - self._nodes.autocomplete.appendChild(listItem) - self._users.push(user) -} - -self._moveSelected = function (shift) { - if (self._selectedUserIndex + shift >= self.getItems().length) { - self._selectedUserIndex = -1 - } else if (self._selectedUserIndex + shift < -1) { - self._selectedUserIndex = self.getItems().length - 1 - } else { - self._selectedUserIndex += shift - } - - for (let i = 0; i < self.getItems().length; i++) { - self._nodes.autocomplete.children[i].classList.remove('selected') - } - if (self._selectedUserIndex >= 0) { - self._nodes.autocomplete - .children[self._selectedUserIndex].classList.add('selected') - } -} - -self._handleItemClick = function (event) { - if (!self._nodes.autocomplete.contains(event.target)) return - const userIndex = Array.prototype.indexOf - .call(self._nodes.autocomplete.children, event.target) - self._selectedUserIndex = userIndex - self.emit('select', self.getSelectedUser()) -} - -self._handleKeydown = function (event) { - if (event.key === 'ArrowDown' || event.key === 'ArrowUp') { - event.preventDefault() - if (event.key === 'ArrowDown') { - self._moveSelected(1) - } else if (event.key === 'ArrowUp') { - self._moveSelected(-1) - } - } -} - -self._nodes.autocomplete.addEventListener('click', self._handleItemClick) -self._nodes.input.addEventListener('keydown', self._handleKeydown) - -module.exports = self |