apps/workbench/app/assets/javascripts/selection.js.erb

   1 //= require jquery
   2 //= require jquery_ujs
   3
   4 /** Javascript for local persistent selection. */
   5
   6 get_selection_list = null;
   7 form_selection_sources = {};
   8
   9 jQuery(function($){
  10     var storage = localStorage; // sessionStorage
  11
  12     get_selection_list = function() {
  13         if (!storage.persistentSelection) {
  14             storage.persistentSelection = JSON.stringify([]);
  15         }
  16         return JSON.parse(storage.persistentSelection);
  17     }
  18
  19     var put_storage = function(lst) {
  20         storage.persistentSelection = JSON.stringify(lst);
  21     }
  22
  23     var add_selection = function(uuid, name, href, type) {
  24         var lst = get_selection_list();
  25         lst.push({"uuid": uuid, "name": name, "href": href, "type": type});
  26         put_storage(lst);
  27         update_count();
  28     };
  29
  30     var remove_selection = function(uuid) {
  31         var lst = get_selection_list();
  32         for (var i = 0; i < lst.length; i++) {
  33             if (lst[i].uuid == uuid) {
  34                 lst.splice(i, 1);
  35                 i--;
  36             }
  37         }
  38         put_storage(lst);
  39         update_count();
  40     };
  41
  42     var remove_selection_click = function(e) {
  43         remove_selection($(this).val());
  44     };
  45
  46     var clear_selections = function() {
  47         put_storage([]);
  48         update_count();
  49     }
  50
  51     var update_count = function(e) {
  52         var html;
  53         var this_object_uuid = $('#selection-form-content').
  54             closest('form').
  55             find('input[name=uuid]').val();
  56         var lst = get_selection_list();
  57         $("#persistent-selection-count").text(lst.length);
  58         if (lst.length > 0) {
  59             html = '<li><a href="#" class="btn btn-xs btn-info" id="clear_selections_button"><i class="fa fa-fw fa-ban"></i> Clear selections</a></li>';
  60             $('#selection-form-content').html(html);
  61
  62             for (var i = 0; i < lst.length; i++) {
  63                 $('#selection-form-content > li > table').append("<tr>"
  64                                                        + "<td>"
  65                                                        + "<input class='remove-selection' name='selection[]' type='checkbox' value='" + lst[i].uuid + "' checked='true' data-stoppropagation='true' />"
  66                                                        + "</td>"
  67
  68                                                        + "<td>"
  69                                                        + "<div style='padding-left: 1em'><a href=\"" + lst[i].href + "\">" + lst[i].name + "</a></div>"
  70                                                        + "</td>"
  71
  72                                                        + "<td style=\"vertical-align: top\">"
  73                                                        + "<span style=\"padding-right: 1em\">" + lst[i].type + "</span>"
  74                                                        + "</td>"
  75
  76                                                        + "</tr>");
  77             }
  78         } else {
  79             $('#selection-form-content').html("<li class='notification empty'>No selections.</li>");
  80         }
  81
  82         var checkboxes = $('.persistent-selection:checkbox');
  83         for (i = 0; i < checkboxes.length; i++) {
  84             for (var j = 0; j < lst.length; j++) {
  85                 if (lst[j].uuid == $(checkboxes[i]).val()) {
  86                     checkboxes[i].checked = true;
  87                     break;
  88                 }
  89             }
  90             if (j == lst.length) {
  91                 checkboxes[i].checked = false;
  92             }
  93         }
  94
  95         $('.remove-selection').on('click', remove_selection_click);
  96         $('#clear_selections_button').on('click', clear_selections);
  97         $(document).trigger('selections-updated', [lst]);
  98     };
  99
 100     $(document).
 101         on('change', '.persistent-selection:checkbox', function(e) {
 102             var inc = 0;
 103             if ($(this).is(":checked")) {
 104                 add_selection($(this).val(), $(this).attr('friendly_name'), $(this).attr('href'), $(this).attr('friendly_type'));
 105             }
 106             else {
 107                 remove_selection($(this).val());
 108             }
 109         });
 110
 111     $(window).on('load storage', update_count);
 112
 113     $('#selection-form-content').on("click", function(e) {
 114         e.stopPropagation();
 115     });
 116 });
 117
 118 add_form_selection_sources = null;
 119 select_form_sources = null;
 120
 121 (function() {
 122     var form_selection_sources = {};
 123     add_form_selection_sources = function (src) {
 124         for (var i = 0; i < src.length; i++) {
 125             var t = form_selection_sources[src[i].type];
 126             if (!t) {
 127                 t = form_selection_sources[src[i].type] = {};
 128             }
 129             if (!t[src[i].uuid]) {
 130                 t[src[i].uuid] = src[i];
 131             }
 132         }
 133     };
 134
 135     select_form_sources = function(type) {
 136         var ret = [];
 137
 138         if (get_selection_list) {
 139             var lst = get_selection_list();
 140             if (lst.length > 0) {
 141                 var text = "&horbar; Selections &horbar;";
 142                 var span = document.createElement('span');
 143                 span.innerHTML = text;
 144                 ret.push({text: span.innerHTML, value: "***invalid***"});
 145
 146                 for (var i = 0; i < lst.length; i++) {
 147                     if (lst[i].type == type) {
 148                         var n = lst[i].name;
 149                         n = n.replace(/<span[^>]*>/i, "[");
 150                         n = n.replace(/<\/span>/i, "]");
 151                         ret.push({text: n, value: lst[i].uuid})
 152                     }
 153                 }
 154             }
 155         }
 156
 157         var text = "&horbar; Recent &horbar;";
 158         var span = document.createElement('span');
 159         span.innerHTML = text;
 160         ret.push({text: span.innerHTML, value: "***invalid***"});
 161
 162         var t = form_selection_sources[type];
 163         for (var key in t) {
 164             if (t.hasOwnProperty(key)) {
 165                 var obj = t[key];
 166                 ret.push({text: obj.name, value: obj.uuid})
 167             }
 168         }
 169         return ret;
 170     };
 171 })();
 172
 173 function dispatch_selection_action() {
 174     // Build a new "href" attribute for this link by starting with the
 175     // "data-href" attribute and appending ?foo[]=bar&foo[]=baz (or
 176     // &foo=... as appropriate) to reflect the current object
 177     // selections.
 178     var data = [];
 179     var param_name = $(this).attr('data-selection-param-name');
 180     var href = $(this).attr('data-href');
 181     if ($(this).closest('.disabled').length > 0) {
 182         return false;
 183     }
 184     $(this).
 185         closest('.selection-action-container').
 186         find(':checkbox:checked').
 187         each(function() {
 188             data.push({name: param_name, value: $(this).val()});
 189         });
 190     if (href.indexOf('?') >= 0)
 191         href += '&';
 192     else
 193         href += '?';
 194     href += $.param(data, true);
 195     $(this).attr('href', href);
 196     return true;
 197 }
 198
 199 function enable_disable_selection_actions() {
 200     var $container = $(this).closest('.selection-action-container');
 201     var $checked = $('.persistent-selection:checkbox:checked', $container);
 202     $('[data-selection-action]').
 203         closest('div.btn-group-sm').
 204         find('ul li').
 205         toggleClass('disabled', ($checked.length == 0));
 206     $('[data-selection-action=compare]').
 207         closest('li').
 208         toggleClass('disabled',
 209                     ($checked.filter('[value*=-d1hrv-]').length < 2) ||
 210                     ($checked.not('[value*=-d1hrv-]').length > 0));
 211     <% unless Group.copies_to_projects? %>
 212         $('[data-selection-action=copy]').
 213             closest('li').
 214             toggleClass('disabled',
 215                         ($checked.filter('[value*=-j7d0g-]').length > 0) ||
 216                         ($checked.length < 1));
 217     <% end %>
 218     $('[data-selection-action=combine-project-contents]').
 219         closest('li').
 220         toggleClass('disabled',
 221                     ($checked.filter('[value*=-4zz18-]').length < 1) ||
 222                     ($checked.length != $checked.filter('[value*=-4zz18-]').length));
 223 }
 224
 225 $(document).
 226     on('selections-updated ready ajax:complete', function() {
 227         var $btn = $('[data-selection-action]');
 228         $btn.click(dispatch_selection_action);
 229         enable_disable_selection_actions.call($btn);
 230     });