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             if (this_object_uuid.match('-j7d0g-'))
  61                 html += '<li><button class="btn btn-xs btn-info" type="submit" name="copy_selections_into_folder" id="copy_selections_into_folder"><i class="fa fa-fw fa-folder-open"></i> Copy selections into this folder</button></li>';
  62             html += '<li><button class="btn btn-xs btn-info" type="submit" name="combine_selected_files_into_collection" '
  63                 + ' id="combine_selected_files_into_collection">'
  64                 + '<i class="fa fa-fw fa-archive"></i> Combine selected collections and files into a new collection</button></li>'
  65                 + '<li class="notification"><table style="width: 100%"></table></li>';
  66             $('#selection-form-content').html(html);
  67
  68             for (var i = 0; i < lst.length; i++) {
  69                 $('#selection-form-content > li > table').append("<tr>"
  70                                                        + "<td>"
  71                                                        + "<input class='remove-selection' name='selection[]' type='checkbox' value='" + lst[i].uuid + "' checked='true' data-stoppropagation='true' />"
  72                                                        + "</td>"
  73
  74                                                        + "<td>"
  75                                                        + "<div style='padding-left: 1em'><a href=\"" + lst[i].href + "\">" + lst[i].name + "</a></div>"
  76                                                        + "</td>"
  77
  78                                                        + "<td style=\"vertical-align: top\">"
  79                                                        + "<span style=\"padding-right: 1em\">" + lst[i].type + "</span>"
  80                                                        + "</td>"
  81
  82                                                        + "</tr>");
  83             }
  84         } else {
  85             $('#selection-form-content').html("<li class='notification empty'>No selections.</li>");
  86         }
  87
  88         var checkboxes = $('.persistent-selection:checkbox');
  89         for (i = 0; i < checkboxes.length; i++) {
  90             for (var j = 0; j < lst.length; j++) {
  91                 if (lst[j].uuid == $(checkboxes[i]).val()) {
  92                     checkboxes[i].checked = true;
  93                     break;
  94                 }
  95             }
  96             if (j == lst.length) {
  97                 checkboxes[i].checked = false;
  98             }
  99         }
 100
 101         $('.remove-selection').on('click', remove_selection_click);
 102         $('#clear_selections_button').on('click', clear_selections);
 103     };
 104
 105     $(document).
 106         on('change', '.persistent-selection:checkbox', function(e) {
 107             //console.log($(this));
 108             //console.log($(this).val());
 109
 110             var inc = 0;
 111             if ($(this).is(":checked")) {
 112                 add_selection($(this).val(), $(this).attr('friendly_name'), $(this).attr('href'), $(this).attr('friendly_type'));
 113             }
 114             else {
 115                 remove_selection($(this).val());
 116             }
 117         });
 118
 119
 120     $(window).on('load storage', update_count);
 121
 122     $('#selection-form-content').on("click", function(e) {
 123         e.stopPropagation();
 124     });
 125 });
 126
 127 add_form_selection_sources = null;
 128 select_form_sources  = null;
 129
 130 (function() {
 131     var form_selection_sources = {};
 132     add_form_selection_sources = function (src) {
 133         for (var i = 0; i < src.length; i++) {
 134             var t = form_selection_sources[src[i].type];
 135             if (!t) {
 136                 t = form_selection_sources[src[i].type] = {};
 137             }
 138             if (!t[src[i].uuid]) {
 139                 t[src[i].uuid] = src[i];
 140             }
 141         }
 142     };
 143
 144     select_form_sources = function(type) {
 145         var ret = [];
 146
 147         if (get_selection_list) {
 148             var lst = get_selection_list();
 149             if (lst.length > 0) {
 150                 var text = "&horbar; Selections &horbar;";
 151                 var span = document.createElement('span');
 152                 span.innerHTML = text;
 153                 ret.push({text: span.innerHTML, value: "***invalid***"});
 154
 155                 for (var i = 0; i < lst.length; i++) {
 156                     if (lst[i].type == type) {
 157                         var n = lst[i].name;
 158                         n = n.replace(/<span[^>]*>/i, "[");
 159                         n = n.replace(/<\/span>/i, "]");
 160                         ret.push({text: n, value: lst[i].uuid})
 161                     }
 162                 }
 163             }
 164         }
 165
 166         var text = "&horbar; Recent &horbar;";
 167         var span = document.createElement('span');
 168         span.innerHTML = text;
 169         ret.push({text: span.innerHTML, value: "***invalid***"});
 170
 171         var t = form_selection_sources[type];
 172         for (var key in t) {
 173             if (t.hasOwnProperty(key)) {
 174                 var obj = t[key];
 175                 ret.push({text: obj.name, value: obj.uuid})
 176             }
 177         }
 178         return ret;
 179     };
 180 })();