1 <script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
3 <div class="autocomplete">
4 <div id="warning_pane" style="background: #FFFFFF; color: #CC0000;">
5 {% if incompatible == "true" %}
6 <h3>Warning: Incompatible Configuration</h3>
7 <p>Please make a different selection, as the current config conflicts with the selected pod</p>
14 <div id="added_counter">
15 <p id="added_number">0</p>
16 <p id="addable_limit">/ {% if selectable_limit > -1 %} {{ selectable_limit }} {% else %} ∞ {% endif %}added</p>
19 <input id="user_field" name="ignore_this" class="form-control" autocomplete="off" type="text" placeholder="{{placeholder}}" value="" oninput="search(this.value)"
20 {% if disabled %} disabled {% endif %}
24 <input type="hidden" id="selector" name="{{ name }}" class="form-control" style="display: none;"
25 {% if disabled %} disabled {% endif %}
29 <div id="scroll_restrictor">
30 <ul id="drop_results"></ul>
41 flex-direction: column;
50 list-style-type: none;
54 border: solid 1px #ddd;
62 box-shadow: rgba(0, 0, 0, 0.19) 0px 10px 20px, rgba(0, 0, 0, 0.23) 0px 6px 6px;
68 background-color: #f6f6f6;
70 text-decoration: none;
73 text-overflow: ellipsis;
78 border-bottom: 1px solid #ddd;
82 border: 1px solid #ccc;
85 vertical-align: middle;
93 #drop_results li a:hover{
94 background-color: #ffffff;
100 text-overflow: ellipsis;
114 text-overflow: ellipsis;
121 #drop_results li a:hover .entry_tooltip {
133 display: inline-block;
134 list-style-type: none;
137 text-overflow: ellipsis;
142 text-overflow: ellipsis;
149 #added_number, #addable_limit {
155 <script type="text/javascript">
157 var show_from_noentry = {{show_from_noentry|yesno:"true,false"}}; // whether to show any results before user starts typing
158 var show_x_results = {{show_x_results|default:-1}}; // how many results to show at a time, -1 shows all results
159 var results_scrollable = {{results_scrollable|yesno:"true,false"}}; // whether list should be scrollable
160 var selectable_limit = {{selectable_limit|default:-1}}; // how many selections can be made, -1 allows infinitely many
161 var placeholder = "{{placeholder|default:"begin typing"}}"; // placeholder that goes in text box
164 var items = {{items|safe}} // items to add to trie. Type is a dictionary of dictionaries with structure:
168 "id": any, identifiable on backend
169 "small_name": string, displayed first (before separator), searchable (use for e.g. username)
170 "expanded_name": string, displayed second (after separator), searchable (use for e.g. email address)
171 "string": string, not displayed, still searchable
177 {{ selectable_limit }}: changes what number displays for field
178 {{ name }}: form identifiable name, relevant for backend
179 // when submitted, form will contain field data in post with name as the key
180 {{ placeholder }}: "greyed out" contents put into search field initially to guide user as to what they're searching for
181 {{ initial }}: in search_field_init(), marked safe, an array of id's each referring to an id from items
185 var expanded_name_trie = {}
186 expanded_name_trie.isComplete = false;
187 var small_name_trie = {}
188 small_name_trie.isComplete = false;
190 string_trie.isComplete = false;
192 var added_items = [];
196 if( show_from_noentry )
202 var textfield = document.getElementById("user_field");
203 var drop = document.getElementById("drop_results");
205 textfield.disabled = "True";
206 drop.style.display = "none";
208 var btns = document.getElementsByClassName("btn-remove");
209 for( var i = 0; i < btns.length; i++ )
211 btns[i].classList.add("disabled");
215 function search_field_init() {
216 build_all_tries(items);
218 var initial = {{ initial|safe }};
220 for( var i = 0; i < initial.length; i++)
222 select_item(String(initial[i]));
224 if(initial.length == 1)
226 search(items[initial[0]]["small_name"]);
227 document.getElementById("user_field").value = items[initial[0]]["small_name"];
231 function build_all_tries(dict)
239 function add_item(item)
242 add_to_tree(item['expanded_name'], id, expanded_name_trie);
243 add_to_tree(item['small_name'], id, small_name_trie);
244 add_to_tree(item['string'], id, string_trie);
247 function add_to_tree(str, id, trie)
252 if( !inner_trie[str.charAt(0)] )
255 inner_trie[str.charAt(0)] = new_trie;
259 new_trie = inner_trie[str.charAt(0)];
262 if( str.length == 1 )
264 new_trie.isComplete = true;
269 new_trie.ids.push(id);
271 inner_trie = new_trie;
272 str = str.substring(1);
276 function search(input)
278 if( input.length == 0 && !show_from_noentry){
282 else if( input.length == 0 && show_from_noentry)
284 dropdown(items); //show all items
289 var tr1 = getSubtree(input, expanded_name_trie);
291 var tr2 = getSubtree(input, small_name_trie);
293 var tr3 = getSubtree(input, string_trie);
295 var results = collate(trees);
300 function getSubtree(input, given_trie)
303 recursive function to return the trie accessed at input
306 if( input.length == 0 ){
311 var substr = input.substring(0, input.length - 1);
312 var last_char = input.charAt(input.length-1);
313 var subtrie = getSubtree(substr, given_trie);
314 if( !subtrie ) //substr not in the trie
318 var indexed_trie = subtrie[last_char];
323 function serialize(trie)
326 takes in a trie and returns a list of its item id's
331 return itemIDs; //empty, base case
333 for( var key in trie )
339 itemIDs = itemIDs.concat(serialize(trie[key]));
341 if ( trie.isComplete )
343 itemIDs.push(...trie.ids);
349 function collate(trees)
352 takes a list of tries
353 returns a list of ids of objects that are available
356 for( var i in trees )
358 var available_IDs = serialize(trees[i]);
359 for( var j=0; j<available_IDs.length; j++){
360 var itemID = available_IDs[j];
361 results[itemID] = items[itemID];
367 function generate_element_text(obj)
369 var content_strings = [obj['expanded_name'], obj['small_name'], obj['string']].filter(x => Boolean(x));
370 var result = content_strings.shift();
371 if( result == null || content_strings.length < 1) return result;
372 return result + " (" + content_strings.join(", ") + ")";
375 function dropdown(ids)
378 takes in a mapping of ids to objects in items
379 and displays them in the dropdown
381 var drop = document.getElementById("drop_results");
382 while(drop.firstChild)
384 drop.removeChild(drop.firstChild);
389 var result_entry = document.createElement("li");
390 var result_button = document.createElement("a");
392 var result_text = generate_element_text(obj);
393 result_button.appendChild(document.createTextNode(result_text));
394 result_button.setAttribute('onclick', 'select_item("' + obj['id'] + '")');
395 var tooltip = document.createElement("span");
396 var tooltiptext = document.createTextNode(result_text);
397 tooltip.appendChild(tooltiptext);
398 tooltip.setAttribute('class', 'entry_tooltip');
399 result_button.appendChild(tooltip);
400 result_entry.appendChild(result_button);
401 drop.appendChild(result_entry);
404 if( !drop.firstChild )
406 drop.style.visibility = 'hidden';
410 drop.style.visibility = 'inherit';
414 function select_item(item_id)
417 var item = items[item_id]['id'];
418 if( (selectable_limit > -1 && added_items.length < selectable_limit) || selectable_limit < 0 )
420 if( added_items.indexOf(item) == -1 )
422 added_items.push(item);
425 update_selected_list();
426 document.getElementById("user_field").focus();
429 function remove_item(item_ref)
431 item = Object.values(items)[item_ref];
432 var index = added_items.indexOf(item);
433 added_items.splice(index, 1);
435 update_selected_list()
436 document.getElementById("user_field").focus();
439 function update_selected_list()
441 document.getElementById("added_number").innerText = added_items.length;
442 selector = document.getElementById('selector');
443 selector.value = JSON.stringify(added_items);
444 added_list = document.getElementById('added_list');
446 while(selector.firstChild)
448 selector.removeChild(selector.firstChild);
450 while(added_list.firstChild)
452 added_list.removeChild(added_list.firstChild);
457 for( var key in added_items )
459 item_id = added_items[key];
460 item = items[item_id];
462 var element_entry_text = generate_element_text(item);
464 list_html += '<div class="list_entry">'
465 + '<p class="added_entry_text">'
468 + '<button onclick="remove_item('
469 + Object.values(items).indexOf(item)
470 + ')" class="btn-remove btn">remove</button>';
471 list_html += '</div>';
474 added_list.innerHTML = list_html;