dashboard/src/templates/dashboard/multiple_select_filter_widget.html

   1 <style>
   2 .object_class_wrapper {
   3     display: grid;
   4     grid-template-columns: 1fr 1fr 1fr;
   5     border: 0px;
   6 }
   7 .class_grid_wrapper {
   8     border: 0px;
   9     border-left: 1px;
  10     border-right: 1px;
  11     border-style: solid;
  12     border-color: grey;
  13     text-align: center;
  14 }
  15 .grid_wrapper {
  16     display: grid;
  17     grid-template-columns: 1fr 1fr;
  18 }
  19 .grid-item {
  20     cursor: pointer;
  21     border:2px;
  22     border-style:none;
  23     border-color:black;
  24     border-radius: 5px;
  25     margin:20px;
  26     height: 200px;
  27     padding: 7px;
  28     box-shadow: 0px 0px 7px 0px rgba(0,0,0,0.75);
  29     transition-property: box-shadow, background-color;
  30     transition-duration: .2s;
  31 }
  32
  33 .grid-item:hover {
  34     box-shadow: 0px 0px 14px 0px rgba(0,0,0,0.75);
  35     transition-property: box-shadow;
  36     transition-duration: .2s;
  37
  38 }
  39
  40 .selected_node {
  41     box-shadow: 0px 0px 14px 0px rgba(0,0,0,0.75);
  42     background-color: #CCECD7;
  43     transition-property: background-color;
  44     transition-duration: .2s;
  45 }
  46
  47 .disabled_node {
  48     cursor: not-allowed;
  49     background-color: #EFEFEF;
  50     box-shadow: 0px 0px 1px 0px rgba(0,0,0,0.75);
  51     transition-property: box-shadow;
  52     transition-duration: .2s;
  53 }
  54
  55 .disabled_node:hover {
  56     box-shadow: 0px 0px 1px 0px rgba(0,0,0,0.75);
  57 }
  58
  59 .cleared_node {
  60     background-color: #FFFFFF;
  61 }
  62
  63 .grid-item-header
  64 {
  65     font-weight: bold;
  66     font-size: 20px;
  67     margin-top: 10px;
  68 }
  69
  70 </style>
  71 <input name="filter_field" id="filter_field" type="hidden"/>
  72 <div id="grid_wrapper" class="grid_wrapper">
  73 {% for object_class, object_list in filter_objects %}
  74 <div class="class_grid_wrapper">
  75     <div style="display:inline-block;margin:auto">
  76         <h4>{{object_class}}</h4>
  77     </div>
  78     <div id="{{object_class}}" class="object_class_wrapper">
  79     {% for obj in object_list %}
  80     <div id="object_parent">
  81         <div id="{{ obj.id|default:'not_provided' }}" class="grid-item">
  82             <p class="grid-item-header">{{obj.name}}</p>
  83             <p class="grid-item-description">{{obj.description}}</p>
  84             <button type="button" class="btn btn-success grid-item-select-btn" onclick="processClick('{{obj.id}}', {% if obj.multiple %}true{% else %}false{% endif %});">{% if obj.multiple %}Add{% else %}Select{% endif %}</button>
  85         </div>
  86         <input type="hidden" name="{{obj.id}}_selected" value="false"/>
  87     </div>
  88     {% endfor %}
  89     </div>
  90     </div>
  91 {% endfor %}
  92 </div>
  93
  94 <div id="dropdown_wrapper">
  95 </div>
  96
  97 <script>
  98 var initialized = false;
  99 var mapping = {{ mapping|safe }};
 100 var items = {{ items|safe }};
 101 var result = {};
 102 var selection = {{selection_data|default_if_none:"null"|safe}};
 103 var dropdown_count = 0;
 104
 105 {% if selection_data %}
 106 make_selection({{selection_data|safe}});
 107 {% endif %}
 108
 109 function make_selection( selection_data ){
 110     if(!initialized) {
 111         init();
 112     }
 113     for(var k in selection_data) {
 114         selected_items = selection_data[k];
 115         for( var item in selected_items ){
 116             var node = items[item];
 117             if(!node['multiple']){
 118                 var input_value = selected_items[item];
 119                 if( input_value != 'false' ) {
 120                     select(node);
 121                     markAndSweep(node);
 122                 }
 123                 var div = document.getElementById(item)
 124                 var input = div.parentNode.getElementsByTagName("input")[0]
 125                 input.value = input_value;
 126                 updateResult(item);
 127             } else {
 128                 make_multiple_selection(selected_items, item);
 129             }
 130         }
 131     }
 132 }
 133
 134 function make_multiple_selection(data, item_class){
 135     var node = items[item_class];
 136     select(node);
 137     markAndSweep(node);
 138     prepop_data = data[item_class];
 139     for(var i=0; i<prepop_data.length; i++){
 140         var div = add_item_prepopulate(node, prepop_data[i]);
 141         updateObjectResult(div);
 142     }
 143 }
 144
 145 function markAndSweep(root){
 146     for(var nodeId in items) {
 147         node = items[nodeId];
 148         node['marked'] = true; //mark all nodes
 149         //clears grey background of everything
 150     }
 151
 152     toCheck = [];
 153     toCheck.push(root);
 154
 155     while(toCheck.length > 0){
 156         node = toCheck.pop();
 157         if(!node['marked']) {
 158             //already visited, just continue
 159             continue;
 160         }
 161         node['marked'] = false; //mark as visited
 162         if(node['follow'] || node == root){ //add neighbors if we want to follow this node (labs)
 163             var mappingId = node.id
 164             var neighbors = mapping[mappingId];
 165             for(var neighId in neighbors) {
 166                 neighId = neighbors[neighId];
 167                 var neighbor = items[neighId];
 168                 toCheck.push(neighbor);
 169             }
 170         }
 171     }
 172
 173     //now remove all nodes still marked
 174     for(var nodeId in items){
 175         node = items[nodeId];
 176         if(node['marked']){
 177             disable(node);
 178         }
 179     }
 180 }
 181
 182 function process(node) {
 183     if(node['selected']) {
 184         markAndSweep(node);
 185     }
 186     else {
 187         var selected = []
 188         //remember the currently selected, then reset everything and reselect one at a time
 189         for(var nodeId in items) {
 190             node = items[nodeId];
 191             if(node['selected']) {
 192                 selected.push(node);
 193             }
 194             clear(node);
 195
 196         }
 197         for(var i=0; i<selected.length; i++) {
 198             node = selected[i];
 199             select(node);
 200             markAndSweep(selected[i]);
 201         }
 202     }
 203 }
 204
 205 function select(node) {
 206     elem = document.getElementById(node['id']);
 207     node['selected'] = true;
 208     elem.classList.remove('cleared_node')
 209     elem.classList.remove('disabled_node')
 210     elem.classList.add('selected_node')
 211     var input = elem.parentNode.getElementsByTagName("input")[0];
 212     input.disabled = false;
 213     input.value = true;
 214 }
 215
 216 function clear(node) {
 217     elem = document.getElementById(node['id']);
 218     node['selected'] = false;
 219     node['selectable'] = true;
 220     elem.classList.add('cleared_node')
 221     elem.classList.remove('disabled_node')
 222     elem.classList.remove('selected_node')
 223     elem.parentNode.getElementsByTagName("input")[0].disabled = true;
 224 }
 225
 226 function disable(node) {
 227     elem = document.getElementById(node['id']);
 228     node['selected'] = false;
 229     node['selectable'] = false;
 230     elem.classList.remove('cleared_node')
 231     elem.classList.add('disabled_node')
 232     elem.classList.remove('selected_node')
 233     elem.parentNode.getElementsByTagName("input")[0].disabled = true;
 234 }
 235
 236 function processClick(id, multiple){
 237     if(!initialized){
 238         init();
 239     }
 240     var element = document.getElementById(id);
 241     var node = items[id];
 242     if(!node['selectable']){
 243         return;
 244     }
 245     if(multiple){
 246         return processClickMultipleObject(node);
 247     }
 248     node['selected'] = !node['selected']; //toggle on click
 249
 250     if(node['selected']) {
 251         select(node);
 252     }
 253     else {
 254         clear(node);
 255     }
 256     process(node);
 257     updateResult(id);
 258 }
 259
 260 function processClickMultipleObject(node){
 261     select(node);
 262     add_item(node);
 263     process(node);
 264 }
 265
 266 function add_item(node){
 267     return add_item_prepopulate(node, {});
 268 }
 269
 270 inputs = []
 271
 272 function restrictchars(input)
 273 {
 274     if( input.validity.patternMismatch )
 275     {
 276         input.setCustomValidity("Only alphanumeric characters (a-z, A-Z, 0-9), underscore(_), and hyphen (-) are allowed");
 277         input.reportValidity();
 278     }
 279
 280     input.value = input.value.replace(/([^A-Za-z0-9-_.])+/g, "");
 281
 282     checkunique(input);
 283 }
 284
 285 function checkunique(tocheck)
 286 {
 287     val = tocheck.value;
 288     for( var i = 0; i < inputs.length; i++ )
 289     {
 290         if( inputs[i].value == val && inputs[i] != tocheck)
 291         {
 292             tocheck.setCustomValidity("All hostnames must be unique");
 293             tocheck.reportValidity();
 294             return;
 295         }
 296     }
 297     tocheck.setCustomValidity("");
 298 }
 299
 300 function add_item_prepopulate(node, prepopulate){
 301     inputs = [];
 302     var div = document.createElement("DIV");
 303     div.class = node['id'];
 304     div.id = "dropdown_" + dropdown_count;
 305     dropdown_count++;
 306     var label = document.createElement("H5");
 307     label.style['display'] = 'inline';
 308     label.appendChild(document.createTextNode(node['name']));
 309     div.appendChild(label);
 310     for(var i=0; i<node['forms'].length; i++){
 311         form = node['forms'][i];
 312         var input = document.createElement("INPUT");
 313         input.type = form['type'];
 314         input.name = form['name'];
 315         input.pattern = "(?=^.{1,253}$)(^([A-Za-z0-9-_]{1,62}\.)*[A-Za-z0-9-_]{1,63})";
 316         input.title = "Only alphanumeric characters (a-z, A-Z, 0-9), underscore(_), and hyphen (-) are allowed"
 317         input.placeholder = form['placeholder'];
 318         inputs.push(input);
 319         input.onchange = function() { updateObjectResult(div); restrictchars(this); };
 320         input.oninput = function() { restrictchars(this); };
 321         if(form['name'] in prepopulate){
 322             input.value = prepopulate[form['name']];
 323         }
 324         div.appendChild(input);
 325     }
 326     //add class id to dropdown object
 327     var hiddenInput = document.createElement("INPUT");
 328     hiddenInput.type = "hidden";
 329     hiddenInput.name = "class";
 330     hiddenInput.value = node['id'];
 331     div.appendChild(hiddenInput);
 332     button = document.createElement("BUTTON");
 333     button.onclick = function(){
 334         remove_dropdown(div.id);
 335     }
 336     button.type = "button";
 337     button.appendChild(document.createTextNode("Remove"));
 338     div.appendChild(button);
 339     document.getElementById("dropdown_wrapper").appendChild(div);
 340     updateObjectResult(div);
 341     return div;
 342 }
 343
 344 function remove_dropdown(id){
 345     var div = document.getElementById(id);
 346     var parent = div.parentNode;
 347     div.parentNode.removeChild(div);
 348     //checks if we have removed last item in class
 349     var deselect_class = true;
 350     var div_inputs = div.getElementsByTagName("input");
 351     var div_class = div_inputs[div_inputs.length-1].value;
 352     var result_class = document.getElementById(div_class).parentNode.parentNode.id;
 353     delete result[result_class][div.id];
 354     for(var i=0; i<parent.children.length; i++){
 355         var inputs = parent.children[i].getElementsByTagName("input");
 356         var object_class = "";
 357         for(var k=0; k<inputs.length; k++){
 358             if(inputs[k].name == "class"){
 359                 object_class = inputs[k].value;
 360             }
 361         }
 362         if(object_class == div_class){
 363             deselect_class = false;
 364         }
 365     }
 366     if(deselect_class){
 367         clear(items[div_class]);
 368     }
 369 }
 370
 371 function updateResult(nodeId){
 372     if(!initialized){
 373         init();
 374     }
 375     if(!items[nodeId]['multiple']){
 376         var node = document.getElementById(nodeId);
 377         var value = {}
 378         value[nodeId] = node.parentNode.getElementsByTagName("input")[0].value;
 379         result[node.parentNode.parentNode.id][nodeId] = value;
 380     }
 381 }
 382
 383 function updateObjectResult(parentElem){
 384     node_type = document.getElementById(parentElem.class).parentNode.parentNode.id;
 385     input = {};
 386     inputs = parentElem.getElementsByTagName("input");
 387     for(var i in inputs){
 388         var e = inputs[i];
 389         input[e.name] = e.value;
 390     }
 391     result[node_type][parentElem.id] = input;
 392 }
 393
 394 function init() {
 395     for(nodeId in items) {
 396         element = document.getElementById(nodeId);
 397         node = items[nodeId];
 398         result[element.parentNode.parentNode.id] = {}
 399         }
 400     initialized = true;
 401 }
 402
 403 </script>