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', clear_selections);
 112     $(window).on('storage', update_count);
 113
 114     $('#selection-form-content').on("click", function(e) {
 115         e.stopPropagation();
 116     });
 117 });
 118
 119 add_form_selection_sources = null;
 120 select_form_sources = null;
 121
 122 (function() {
 123     var form_selection_sources = {};
 124     add_form_selection_sources = function (src) {
 125         for (var i = 0; i < src.length; i++) {
 126             var t = form_selection_sources[src[i].type];
 127             if (!t) {
 128                 t = form_selection_sources[src[i].type] = {};
 129             }
 130             if (!t[src[i].uuid]) {
 131                 t[src[i].uuid] = src[i];
 132             }
 133         }
 134     };
 135
 136     select_form_sources = function(type) {
 137         var ret = [];
 138
 139         if (get_selection_list) {
 140             var lst = get_selection_list();
 141             if (lst.length > 0) {
 142                 var text = "&horbar; Selections &horbar;";
 143                 var span = document.createElement('span');
 144                 span.innerHTML = text;
 145                 ret.push({text: span.innerHTML, value: "***invalid***"});
 146
 147                 for (var i = 0; i < lst.length; i++) {
 148                     if (lst[i].type == type) {
 149                         var n = lst[i].name;
 150                         n = n.replace(/<span[^>]*>/i, "[");
 151                         n = n.replace(/<\/span>/i, "]");
 152                         ret.push({text: n, value: lst[i].uuid})
 153                     }
 154                 }
 155             }
 156         }
 157
 158         var text = "&horbar; Recent &horbar;";
 159         var span = document.createElement('span');
 160         span.innerHTML = text;
 161         ret.push({text: span.innerHTML, value: "***invalid***"});
 162
 163         var t = form_selection_sources[type];
 164         for (var key in t) {
 165             if (t.hasOwnProperty(key)) {
 166                 var obj = t[key];
 167                 ret.push({text: obj.name, value: obj.uuid})
 168             }
 169         }
 170         return ret;
 171     };
 172 })();
 173
 174 function dispatch_selection_action() {
 175     // Build a new "href" attribute for this link by starting with the
 176     // "data-href" attribute and appending ?foo[]=bar&foo[]=baz (or
 177     // &foo=... as appropriate) to reflect the current object
 178     // selections.
 179     var data = [];
 180     var param_name = $(this).attr('data-selection-param-name');
 181     var href = $(this).attr('data-href');
 182     if ($(this).closest('.disabled').length > 0) {
 183         return false;
 184     }
 185     $(this).
 186         closest('.selection-action-container').
 187         find(':checkbox:checked:visible').
 188         each(function() {
 189             data.push({name: param_name, value: $(this).val()});
 190         });
 191     if (href.indexOf('?') >= 0)
 192         href += '&';
 193     else
 194         href += '?';
 195     href += $.param(data, true);
 196     $(this).attr('href', href);
 197     return true;
 198 }
 199
 200 function enable_disable_selection_actions() {
 201     var $container = $(this).closest('.selection-action-container');
 202     var $checked = $('.persistent-selection:checkbox:checked', $container);
 203     $('[data-selection-action]').
 204         closest('div.btn-group-sm').
 205         find('ul li').
 206         toggleClass('disabled', ($checked.length == 0));
 207     $('[data-selection-action=compare]').
 208         closest('li').
 209         toggleClass('disabled',
 210                     ($checked.filter('[value*=-d1hrv-]').length < 2) ||
 211                     ($checked.not('[value*=-d1hrv-]').length > 0));
 212     <% unless Group.copies_to_projects? %>
 213         $('[data-selection-action=copy]').
 214             closest('li').
 215             toggleClass('disabled',
 216                         ($checked.filter('[value*=-j7d0g-]').length > 0) ||
 217                         ($checked.length < 1));
 218     <% end %>
 219     $('[data-selection-action=combine-project-contents]').
 220         closest('li').
 221         toggleClass('disabled',
 222                     ($checked.filter('[value*=-4zz18-]').length < 1) ||
 223                     ($checked.length != $checked.filter('[value*=-4zz18-]').length));
 224 }
 225
 226 $(document).
 227     on('selections-updated ready ajax:complete', function() {
 228         var $btn = $('[data-selection-action]');
 229         $btn.click(dispatch_selection_action);
 230         enable_disable_selection_actions.call($btn);
 231     });