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

   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             html += '<li><button class="btn btn-xs btn-info" type="submit" name="combine_selected_files_into_collection" '
  61                 + ' id="combine_selected_files_into_collection">'
  62                 + '<i class="fa fa-fw fa-archive"></i> Combine selected collections and files into a new collection</button></li>'
  63                 + '<li class="notification"><table style="width: 100%"></table></li>';
  64             $('#selection-form-content').html(html);
  65
  66             for (var i = 0; i < lst.length; i++) {
  67                 $('#selection-form-content > li > table').append("<tr>"
  68                                                        + "<td>"
  69                                                        + "<input class='remove-selection' name='selection[]' type='checkbox' value='" + lst[i].uuid + "' checked='true' data-stoppropagation='true' />"
  70                                                        + "</td>"
  71
  72                                                        + "<td>"
  73                                                        + "<div style='padding-left: 1em'><a href=\"" + lst[i].href + "\">" + lst[i].name + "</a></div>"
  74                                                        + "</td>"
  75
  76                                                        + "<td style=\"vertical-align: top\">"
  77                                                        + "<span style=\"padding-right: 1em\">" + lst[i].type + "</span>"
  78                                                        + "</td>"
  79
  80                                                        + "</tr>");
  81             }
  82         } else {
  83             $('#selection-form-content').html("<li class='notification empty'>No selections.</li>");
  84         }
  85
  86         var checkboxes = $('.persistent-selection:checkbox');
  87         for (i = 0; i < checkboxes.length; i++) {
  88             for (var j = 0; j < lst.length; j++) {
  89                 if (lst[j].uuid == $(checkboxes[i]).val()) {
  90                     checkboxes[i].checked = true;
  91                     break;
  92                 }
  93             }
  94             if (j == lst.length) {
  95                 checkboxes[i].checked = false;
  96             }
  97         }
  98
  99         $('.remove-selection').on('click', remove_selection_click);
 100         $('#clear_selections_button').on('click', clear_selections);
 101         $(document).trigger('selections-updated', [lst]);
 102     };
 103
 104     $(document).
 105         on('change', '.persistent-selection:checkbox', function(e) {
 106             var inc = 0;
 107             if ($(this).is(":checked")) {
 108                 add_selection($(this).val(), $(this).attr('friendly_name'), $(this).attr('href'), $(this).attr('friendly_type'));
 109             }
 110             else {
 111                 remove_selection($(this).val());
 112             }
 113         });
 114
 115     $(window).on('load storage', update_count);
 116
 117     $('#selection-form-content').on("click", function(e) {
 118         e.stopPropagation();
 119     });
 120 });
 121
 122 add_form_selection_sources = null;
 123 select_form_sources = null;
 124
 125 (function() {
 126     var form_selection_sources = {};
 127     add_form_selection_sources = function (src) {
 128         for (var i = 0; i < src.length; i++) {
 129             var t = form_selection_sources[src[i].type];
 130             if (!t) {
 131                 t = form_selection_sources[src[i].type] = {};
 132             }
 133             if (!t[src[i].uuid]) {
 134                 t[src[i].uuid] = src[i];
 135             }
 136         }
 137     };
 138
 139     select_form_sources = function(type) {
 140         var ret = [];
 141
 142         if (get_selection_list) {
 143             var lst = get_selection_list();
 144             if (lst.length > 0) {
 145                 var text = "&horbar; Selections &horbar;";
 146                 var span = document.createElement('span');
 147                 span.innerHTML = text;
 148                 ret.push({text: span.innerHTML, value: "***invalid***"});
 149
 150                 for (var i = 0; i < lst.length; i++) {
 151                     if (lst[i].type == type) {
 152                         var n = lst[i].name;
 153                         n = n.replace(/<span[^>]*>/i, "[");
 154                         n = n.replace(/<\/span>/i, "]");
 155                         ret.push({text: n, value: lst[i].uuid})
 156                     }
 157                 }
 158             }
 159         }
 160
 161         var text = "&horbar; Recent &horbar;";
 162         var span = document.createElement('span');
 163         span.innerHTML = text;
 164         ret.push({text: span.innerHTML, value: "***invalid***"});
 165
 166         var t = form_selection_sources[type];
 167         for (var key in t) {
 168             if (t.hasOwnProperty(key)) {
 169                 var obj = t[key];
 170                 ret.push({text: obj.name, value: obj.uuid})
 171             }
 172         }
 173         return ret;
 174     };
 175 })();
 176
 177 function dispatch_selection_action() {
 178     // Build a new "href" attribute for this link by starting with the
 179     // "data-href" attribute and appending ?foo[]=bar&foo[]=baz (or
 180     // &foo=... as appropriate) to reflect the current object
 181     // selections.
 182     var data = [];
 183     var param_name = $(this).attr('data-selection-param-name');
 184     var href = $(this).attr('data-href');
 185     if ($(this).closest('.disabled').length > 0) {
 186         return false;
 187     }
 188     $(this).
 189         closest('.selection-action-container').
 190         find(':checkbox:checked').
 191         each(function() {
 192             data.push({name: param_name, value: $(this).val()});
 193         });
 194     if (href.indexOf('?') >= 0)
 195         href += '&';
 196     else
 197         href += '?';
 198     href += $.param(data, true);
 199     $(this).attr('href', href);
 200     return true;
 201 }
 202
 203 function enable_disable_selection_actions() {
 204     var $container = $(this).closest('.selection-action-container');
 205     var $checked = $('.persistent-selection:checkbox:checked', $container);
 206     $('[data-selection-action]').
 207         closest('div.btn-group-sm').
 208         find('ul li').
 209         toggleClass('disabled', ($checked.length == 0));
 210     $('[data-selection-action=compare]').
 211         closest('li').
 212         toggleClass('disabled',
 213                     ($checked.filter('[value*=-d1hrv-]').length < 2) ||
 214                     ($checked.not('[value*=-d1hrv-]').length > 0));
 215     $('[data-selection-action=copy]').
 216         closest('li').
 217         toggleClass('disabled',
 218                     ($checked.filter('[value*=-j7d0g-]').length > 0) ||
 219                     ($checked.length < 1));
 220     $('[data-selection-action=combine]').
 221         closest('li').
 222         toggleClass('disabled',
 223                     ($checked.filter('[value*=-4zz18-]').length < 1) ||
 224                     ($checked.length != $checked.filter('[value*=-4zz18-]').length));
 225 }
 226
 227 $(document).
 228     on('selections-updated ready ajax:complete', function() {
 229         var $btn = $('[data-selection-action]');
 230         $btn.click(dispatch_selection_action);
 231         enable_disable_selection_actions.call($btn);
 232     });