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>
10 <input id="user_field" name="ignore_this" class="form-control" autocomplete="off" type="text" placeholder="{{placeholder}}" value="" oninput="search(this.value)"
11 {% if disabled %} disabled {% endif %}
15 <input type="hidden" id="selector" name="{{ name }}" class="form-control" style="display: none;"
16 {% if disabled %} disabled {% endif %}
20 <ul id="drop_results"></ul>
25 <div id="added_counter">
26 <p id="added_number">0</p>
27 <p id="addable_limit">/ {% if selectable_limit > -1 %} {{ selectable_limit }} {% else %} ∞ {% endif %}added</p>
37 list-style-type: none;
44 border: solid 1px #ddd;
53 background-color: #f6f6f6;
55 text-decoration: none;
58 text-overflow: ellipsis;
63 border-bottom: 1px solid #ddd;
67 border: 1px solid #ccc;
70 vertical-align: middle;
78 #drop_results li a:hover{
79 background-color: #ffffff;
85 text-overflow: ellipsis;
99 text-overflow: ellipsis;
106 #drop_results li a:hover .entry_tooltip {
119 display: inline-block;
120 list-style-type: none;
123 text-overflow: ellipsis;
128 text-overflow: ellipsis;
135 #added_number, #addable_limit {
142 <script type="text/javascript">
144 var show_from_noentry = {{show_from_noentry|yesno:"true,false"}}; // whether to show any results before user starts typing
145 var show_x_results = {{show_x_results|default:-1}}; // how many results to show at a time, -1 shows all results
146 var results_scrollable = {{results_scrollable|yesno:"true,false"}}; // whether list should be scrollable
147 var selectable_limit = {{selectable_limit|default:-1}}; // how many selections can be made, -1 allows infinitely many
148 var placeholder = "{{placeholder|default:"begin typing"}}"; // placeholder that goes in text box
151 var items = {{items|safe}} // items to add to trie. Type is a dictionary of dictionaries with structure:
155 "id": any, identifiable on backend
156 "small_name": string, displayed first (before separator), searchable (use for e.g. username)
157 "expanded_name": string, displayed second (after separator), searchable (use for e.g. email address)
158 "string": string, not displayed, still searchable
164 {{ selectable_limit }}: changes what number displays for field
165 {{ name }}: form identifiable name, relevant for backend
166 // when submitted, form will contain field data in post with name as the key
167 {{ placeholder }}: "greyed out" contents put into search field initially to guide user as to what they're searching for
168 {{ initial }}: in search_field_init(), marked safe, an array of id's each referring to an id from items
172 var expanded_name_trie = {}
173 expanded_name_trie.isComplete = false;
174 var small_name_trie = {}
175 small_name_trie.isComplete = false;
177 string_trie.isComplete = false;
179 var added_items = [];
183 if( show_from_noentry )
189 var textfield = document.getElementById("user_field");
190 var drop = document.getElementById("drop_results");
192 textfield.disabled = "True";
193 drop.style.display = "none";
195 var btns = document.getElementsByClassName("btn-remove");
196 for( var i = 0; i < btns.length; i++ )
198 btns[i].classList.add("disabled");
202 function search_field_init() {
203 build_all_tries(items);
205 var initial = {{ initial|safe }};
207 for( var i = 0; i < initial.length; i++)
209 select_item(String(initial[i]));
211 if(initial.length == 1)
213 search(items[initial[0]]["small_name"]);
214 document.getElementById("user_field").value = items[initial[0]]["small_name"];
218 function build_all_tries(dict)
226 function add_item(item)
229 add_to_tree(item['expanded_name'], id, expanded_name_trie);
230 add_to_tree(item['small_name'], id, small_name_trie);
231 add_to_tree(item['string'], id, string_trie);
234 function add_to_tree(str, id, trie)
239 if( !inner_trie[str.charAt(0)] )
242 inner_trie[str.charAt(0)] = new_trie;
246 new_trie = inner_trie[str.charAt(0)];
249 if( str.length == 1 )
251 new_trie.isComplete = true;
252 new_trie.itemID = id;
254 inner_trie = new_trie;
255 str = str.substring(1);
259 function search(input)
261 if( input.length == 0 && !show_from_noentry){
265 else if( input.length == 0 && show_from_noentry)
267 dropdown(items); //show all items
272 var tr1 = getSubtree(input, expanded_name_trie);
274 var tr2 = getSubtree(input, small_name_trie);
276 var tr3 = getSubtree(input, string_trie);
278 var results = collate(trees);
283 function getSubtree(input, given_trie)
286 recursive function to return the trie accessed at input
289 if( input.length == 0 ){
294 var substr = input.substring(0, input.length - 1);
295 var last_char = input.charAt(input.length-1);
296 var subtrie = getSubtree(substr, given_trie);
297 if( !subtrie ) //substr not in the trie
301 var indexed_trie = subtrie[last_char];
306 function serialize(trie)
309 takes in a trie and returns a list of its item id's
314 return itemIDs; //empty, base case
316 for( var key in trie )
322 itemIDs = itemIDs.concat(serialize(trie[key]));
324 if ( trie.isComplete )
326 itemIDs.push( trie.itemID );
332 function collate(trees)
335 takes a list of tries
336 returns a list of ids of objects that are available
339 for( var i in trees )
341 var available_IDs = serialize(trees[i]);
342 for( var j=0; j<available_IDs.length; j++){
343 var itemID = available_IDs[j];
344 results[itemID] = items[itemID];
350 function generate_element_text(obj)
352 var content_strings = [obj['expanded_name'], obj['small_name'], obj['string']].filter(x => Boolean(x));
353 var result = content_strings.shift();
354 if( result == null || content_strings.length < 1) return result;
355 return result + " (" + content_strings.join(", ") + ")";
358 function dropdown(ids)
361 takes in a mapping of ids to objects in items
362 and displays them in the dropdown
364 var drop = document.getElementById("drop_results");
365 while(drop.firstChild)
367 drop.removeChild(drop.firstChild);
372 var result_entry = document.createElement("li");
373 var result_button = document.createElement("a");
375 var result_text = generate_element_text(obj);
376 result_button.appendChild(document.createTextNode(result_text));
377 result_button.setAttribute('onclick', 'select_item("' + obj['id'] + '")');
378 var tooltip = document.createElement("span");
379 var tooltiptext = document.createTextNode(result_text);
380 tooltip.appendChild(tooltiptext);
381 tooltip.setAttribute('class', 'entry_tooltip');
382 result_button.appendChild(tooltip);
383 result_entry.appendChild(result_button);
384 drop.appendChild(result_entry);
387 if( !drop.firstChild )
389 drop.style.display = 'none';
393 drop.style.display = 'block';
397 function select_item(item_id)
400 var item = items[item_id]['id'];
401 if( (selectable_limit > -1 && added_items.length < selectable_limit) || selectable_limit < 0 )
403 if( added_items.indexOf(item) == -1 )
405 added_items.push(item);
408 update_selected_list();
409 document.getElementById("user_field").focus();
412 function remove_item(item_ref)
414 item = Object.values(items)[item_ref];
415 var index = added_items.indexOf(item);
416 added_items.splice(index, 1);
418 update_selected_list()
419 document.getElementById("user_field").focus();
422 function update_selected_list()
424 document.getElementById("added_number").innerText = added_items.length;
425 selector = document.getElementById('selector');
426 selector.value = JSON.stringify(added_items);
427 added_list = document.getElementById('added_list');
429 while(selector.firstChild)
431 selector.removeChild(selector.firstChild);
433 while(added_list.firstChild)
435 added_list.removeChild(added_list.firstChild);
440 for( var key in added_items )
442 item_id = added_items[key];
443 item = items[item_id];
445 var element_entry_text = generate_element_text(item);
447 list_html += '<div class="list_entry">'
448 + '<p class="added_entry_text">'
451 + '<button onclick="remove_item('
452 + Object.values(items).indexOf(item)
453 + ')" class="btn-remove btn">remove</button>';
454 list_html += '</div>';
457 added_list.innerHTML = list_html;