- /**
- * Tag Autosuggestions
- * Listens to child inputs and provides autosuggestions depending on field type
- * and input. Suggestions provided by server.
- */
- ngApp.directive('tagAutosuggestions', ['$http', function ($http) {
- return {
- restrict: 'A',
- link: function (scope, elem, attrs) {
-
- // Local storage for quick caching.
- const localCache = {};
-
- // Create suggestion element
- const suggestionBox = document.createElement('ul');
- suggestionBox.className = 'suggestion-box';
- suggestionBox.style.position = 'absolute';
- suggestionBox.style.display = 'none';
- const $suggestionBox = $(suggestionBox);
-
- // General state tracking
- let isShowing = false;
- let currentInput = false;
- let active = 0;
-
- // Listen to input events on autosuggest fields
- elem.on('input focus', '[autosuggest]', function (event) {
- let $input = $(this);
- let val = $input.val();
- let url = $input.attr('autosuggest');
- let type = $input.attr('autosuggest-type');
-
- // Add name param to request if for a value
- if (type.toLowerCase() === 'value') {
- let $nameInput = $input.closest('tr').find('[autosuggest-type="name"]').first();
- let nameVal = $nameInput.val();
- if (nameVal !== '') {
- url += '?name=' + encodeURIComponent(nameVal);
- }
- }
-
- let suggestionPromise = getSuggestions(val.slice(0, 3), url);
- suggestionPromise.then(suggestions => {
- if (val.length === 0) {
- displaySuggestions($input, suggestions.slice(0, 6));
- } else {
- suggestions = suggestions.filter(item => {
- return item.toLowerCase().indexOf(val.toLowerCase()) !== -1;
- }).slice(0, 4);
- displaySuggestions($input, suggestions);
- }
- });
- });
-
- // Hide autosuggestions when input loses focus.
- // Slight delay to allow clicks.
- let lastFocusTime = 0;
- elem.on('blur', '[autosuggest]', function (event) {
- let startTime = Date.now();
- setTimeout(() => {
- if (lastFocusTime < startTime) {
- $suggestionBox.hide();
- isShowing = false;
- }
- }, 200)
- });
- elem.on('focus', '[autosuggest]', function (event) {
- lastFocusTime = Date.now();
- });
-
- elem.on('keydown', '[autosuggest]', function (event) {
- if (!isShowing) return;
-
- let suggestionElems = suggestionBox.childNodes;
- let suggestCount = suggestionElems.length;
-
- // Down arrow
- if (event.keyCode === 40) {
- let newActive = (active === suggestCount - 1) ? 0 : active + 1;
- changeActiveTo(newActive, suggestionElems);
- }
- // Up arrow
- else if (event.keyCode === 38) {
- let newActive = (active === 0) ? suggestCount - 1 : active - 1;
- changeActiveTo(newActive, suggestionElems);
- }
- // Enter or tab key
- else if ((event.keyCode === 13 || event.keyCode === 9) && !event.shiftKey) {
- currentInput[0].value = suggestionElems[active].textContent;
- currentInput.focus();
- $suggestionBox.hide();
- isShowing = false;
- if (event.keyCode === 13) {
- event.preventDefault();
- return false;
- }
- }
- });
-
- // Change the active suggestion to the given index
- function changeActiveTo(index, suggestionElems) {
- suggestionElems[active].className = '';
- active = index;
- suggestionElems[active].className = 'active';
- }
-
- // Display suggestions on a field
- let prevSuggestions = [];
-
- function displaySuggestions($input, suggestions) {
-
- // Hide if no suggestions
- if (suggestions.length === 0) {
- $suggestionBox.hide();
- isShowing = false;
- prevSuggestions = suggestions;
- return;
- }
-
- // Otherwise show and attach to input
- if (!isShowing) {
- $suggestionBox.show();
- isShowing = true;
- }
- if ($input !== currentInput) {
- $suggestionBox.detach();
- $input.after($suggestionBox);
- currentInput = $input;
- }
-
- // Return if no change
- if (prevSuggestions.join() === suggestions.join()) {
- prevSuggestions = suggestions;
- return;
- }
-
- // Build suggestions
- $suggestionBox[0].innerHTML = '';
- for (let i = 0; i < suggestions.length; i++) {
- let suggestion = document.createElement('li');
- suggestion.textContent = suggestions[i];
- suggestion.onclick = suggestionClick;
- if (i === 0) {
- suggestion.className = 'active';
- active = 0;
- }
- $suggestionBox[0].appendChild(suggestion);
- }
-
- prevSuggestions = suggestions;
- }
-
- // Suggestion click event
- function suggestionClick(event) {
- currentInput[0].value = this.textContent;
- currentInput.focus();
- $suggestionBox.hide();
- isShowing = false;
- }
-
- // Get suggestions & cache
- function getSuggestions(input, url) {
- let hasQuery = url.indexOf('?') !== -1;
- let searchUrl = url + (hasQuery ? '&' : '?') + 'search=' + encodeURIComponent(input);
-
- // Get from local cache if exists
- if (typeof localCache[searchUrl] !== 'undefined') {
- return new Promise((resolve, reject) => {
- resolve(localCache[searchUrl]);
- });
- }
-
- return $http.get(searchUrl).then(response => {
- localCache[searchUrl] = response.data;
- return response.data;
- });
- }
-
- }
- }
- }]);
-
- ngApp.directive('entityLinkSelector', [function($http) {
- return {
- restrict: 'A',
- link: function(scope, element, attrs) {
-
- const selectButton = element.find('.entity-link-selector-confirm');
- let callback = false;
- let entitySelection = null;
-
- // Handle entity selection change, Stores the selected entity locally
- function entitySelectionChange(entity) {
- entitySelection = entity;
- if (entity === null) {
- selectButton.attr('disabled', 'true');
- } else {
- selectButton.removeAttr('disabled');
- }
- }
- events.listen('entity-select-change', entitySelectionChange);
-
- // Handle selection confirm button click
- selectButton.click(event => {
- hide();
- if (entitySelection !== null) callback(entitySelection);
- });
-
- // Show selector interface
- function show() {
- element.fadeIn(240);
- }
-
- // Hide selector interface
- function hide() {
- element.fadeOut(240);
- }
- scope.hide = hide;
-
- // Listen to confirmation of entity selections (doubleclick)
- events.listen('entity-select-confirm', entity => {
- hide();
- callback(entity);
- });
-
- // Show entity selector, Accessible globally, and store the callback
- window.showEntityLinkSelector = function(passedCallback) {
- show();
- callback = passedCallback;
- };
-
- }
- };
- }]);
-
-
- ngApp.directive('entitySelector', ['$http', '$sce', function ($http, $sce) {
- return {
- restrict: 'A',
- scope: true,
- link: function (scope, element, attrs) {
- scope.loading = true;
- scope.entityResults = false;
- scope.search = '';
-
- // Add input for forms
- const input = element.find('[entity-selector-input]').first();
-
- // Detect double click events
- let lastClick = 0;
- function isDoubleClick() {
- let now = Date.now();
- let answer = now - lastClick < 300;
- lastClick = now;
- return answer;
- }
-
- // Listen to entity item clicks
- element.on('click', '.entity-list a', function(event) {
- event.preventDefault();
- event.stopPropagation();
- let item = $(this).closest('[data-entity-type]');
- itemSelect(item, isDoubleClick());
- });
- element.on('click', '[data-entity-type]', function(event) {
- itemSelect($(this), isDoubleClick());
- });
-
- // Select entity action
- function itemSelect(item, doubleClick) {
- let entityType = item.attr('data-entity-type');
- let entityId = item.attr('data-entity-id');
- let isSelected = !item.hasClass('selected') || doubleClick;
- element.find('.selected').removeClass('selected').removeClass('primary-background');
- if (isSelected) item.addClass('selected').addClass('primary-background');
- let newVal = isSelected ? `${entityType}:${entityId}` : '';
- input.val(newVal);
-
- if (!isSelected) {
- events.emit('entity-select-change', null);
- }
-
- if (!doubleClick && !isSelected) return;
-
- let link = item.find('.entity-list-item-link').attr('href');
- let name = item.find('.entity-list-item-name').text();
-
- if (doubleClick) {
- events.emit('entity-select-confirm', {
- id: Number(entityId),
- name: name,
- link: link
- });
- }
-
- if (isSelected) {
- events.emit('entity-select-change', {
- id: Number(entityId),
- name: name,
- link: link
- });
- }
- }
-
- // Get search url with correct types
- function getSearchUrl() {
- let types = (attrs.entityTypes) ? encodeURIComponent(attrs.entityTypes) : encodeURIComponent('page,book,chapter');
- return window.baseUrl(`/ajax/search/entities?types=${types}`);
- }
-
- // Get initial contents
- $http.get(getSearchUrl()).then(resp => {
- scope.entityResults = $sce.trustAsHtml(resp.data);
- scope.loading = false;
- });
-
- // Search when typing
- scope.searchEntities = function() {
- scope.loading = true;
- input.val('');
- let url = getSearchUrl() + '&term=' + encodeURIComponent(scope.search);
- $http.get(url).then(resp => {
- scope.entityResults = $sce.trustAsHtml(resp.data);
- scope.loading = false;
- });
- };
- }
- };
- }]);
-