| 
      
            Line 0
          
      
      
        Link Here
      
     | 
  
            
               | 
               | 
              1 | 
              $(document).ready(function() { | 
            
            
              | 2 | 
               | 
            
            
              | 3 | 
                  // In case the source doesn't supply data required for DT to calculate  | 
            
            
              | 4 | 
                  // pagination, we need to do it ourselves  | 
            
            
              | 5 | 
                  var ownPagination = false;  | 
            
            
              | 6 | 
                  var directionSet = false;  | 
            
            
              | 7 | 
                  var start = 0;  | 
            
            
              | 8 | 
                  var forward = true; // true == forward, false == backwards  | 
            
            
              | 9 | 
                  // Arbitrary starting value, it will be corrected by the first  | 
            
            
              | 10 | 
                  // page of results  | 
            
            
              | 11 | 
                  var pageSize = 20;  | 
            
            
              | 12 | 
               | 
            
            
              | 13 | 
                  var tableTmpl = { | 
            
            
              | 14 | 
                      ajax: { | 
            
            
              | 15 | 
                          cache: true, // Prevent DT appending a "_" cache param  | 
            
            
              | 16 | 
                      },  | 
            
            
              | 17 | 
                      columns: [  | 
            
            
              | 18 | 
                          // defaultContent prevents DT from choking if  | 
            
            
              | 19 | 
                          // the API response doesn't return a column  | 
            
            
              | 20 | 
                          { | 
            
            
              | 21 | 
                              title: 'Source',  | 
            
            
              | 22 | 
                              data: 'source',  | 
            
            
              | 23 | 
                              defaultContent: ''  | 
            
            
              | 24 | 
                          },  | 
            
            
              | 25 | 
                          { | 
            
            
              | 26 | 
                              data: 'title',  | 
            
            
              | 27 | 
                              defaultContent: ''  | 
            
            
              | 28 | 
                          },  | 
            
            
              | 29 | 
                          { | 
            
            
              | 30 | 
                              data: 'author',  | 
            
            
              | 31 | 
                              defaultContent: ''  | 
            
            
              | 32 | 
                          },  | 
            
            
              | 33 | 
                          { | 
            
            
              | 34 | 
                              data: 'isbn',  | 
            
            
              | 35 | 
                              defaultContent: ''  | 
            
            
              | 36 | 
                          },  | 
            
            
              | 37 | 
                          { | 
            
            
              | 38 | 
                              data: 'issn',  | 
            
            
              | 39 | 
                              defaultContent: ''  | 
            
            
              | 40 | 
                          },  | 
            
            
              | 41 | 
                          { | 
            
            
              | 42 | 
                              data: 'date',  | 
            
            
              | 43 | 
                              defaultContent: ''  | 
            
            
              | 44 | 
                          }  | 
            
            
              | 45 | 
                      ]  | 
            
            
              | 46 | 
                  };  | 
            
            
              | 47 | 
               | 
            
            
              | 48 | 
                  // render functions don't get copied across when we make a dereferenced  | 
            
            
              | 49 | 
                  // copy of them, so we have to reattach them once we have a copy  | 
            
            
              | 50 | 
                  // Here we store them  | 
            
            
              | 51 | 
                  var renders = { | 
            
            
              | 52 | 
                      title: function(data, type, row) { | 
            
            
              | 53 | 
                          return row.url ?  | 
            
            
              | 54 | 
                              '<a href="'+row.url+'" target="_blank">'+row.title+'</a>' :  | 
            
            
              | 55 | 
                              row.title;  | 
            
            
              | 56 | 
                      }  | 
            
            
              | 57 | 
                  };  | 
            
            
              | 58 | 
               | 
            
            
              | 59 | 
                  services.forEach(function(service) { | 
            
            
              | 60 | 
                      // Create a deferenced copy of our table definition object  | 
            
            
              | 61 | 
                      var tableDef = JSON.parse(JSON.stringify(tableTmpl));  | 
            
            
              | 62 | 
                      // Iterate the table's columns array and add render functions  | 
            
            
              | 63 | 
                      // as necessary  | 
            
            
              | 64 | 
                      tableDef.columns.forEach(function(column) { | 
            
            
              | 65 | 
                          if (renders[column.data]) { | 
            
            
              | 66 | 
                              column.render = renders[column.data];  | 
            
            
              | 67 | 
                          }  | 
            
            
              | 68 | 
                      });  | 
            
            
              | 69 | 
                      tableDef.ajax.dataSrc = function(data) { | 
            
            
              | 70 | 
                          var results = data.results.search_results;  | 
            
            
              | 71 | 
                          // The source appears to be returning it's own pagination  | 
            
            
              | 72 | 
                          // data  | 
            
            
              | 73 | 
                          if (  | 
            
            
              | 74 | 
                              results.hasOwnProperty('recordsFiltered') || | 
            
            
              | 75 | 
                              results.hasOwnProperty('recordsTotal') | 
            
            
              | 76 | 
                          ) { | 
            
            
              | 77 | 
                              return results;  | 
            
            
              | 78 | 
                          }  | 
            
            
              | 79 | 
                          // Set up our own pagination values based on what we just  | 
            
            
              | 80 | 
                          // got back  | 
            
            
              | 81 | 
                          ownPagination = true;  | 
            
            
              | 82 | 
                          directionSet = false;  | 
            
            
              | 83 | 
                          pageSize = results.length;  | 
            
            
              | 84 | 
                          // These values are completely arbitrary, but they enable  | 
            
            
              | 85 | 
                          // us to display pagination links  | 
            
            
              | 86 | 
                          data.recordsFiltered = 5000,  | 
            
            
              | 87 | 
                          data.recordsTotal = 5000;  | 
            
            
              | 88 | 
               | 
            
            
              | 89 | 
                          return results;  | 
            
            
              | 90 | 
                      };  | 
            
            
              | 91 | 
                      tableDef.ajax.data = function(data) { | 
            
            
              | 92 | 
                          // Datatables sends a bunch of superfluous params  | 
            
            
              | 93 | 
                          // that we don't want to litter our API schema  | 
            
            
              | 94 | 
                          // with, so just remove them from the request  | 
            
            
              | 95 | 
                          if (data.hasOwnProperty('columns')) { | 
            
            
              | 96 | 
                              delete data.columns;  | 
            
            
              | 97 | 
                          }  | 
            
            
              | 98 | 
                          if (data.hasOwnProperty('draw')) { | 
            
            
              | 99 | 
                              delete data.draw;  | 
            
            
              | 100 | 
                          }  | 
            
            
              | 101 | 
                          if (data.hasOwnProperty('order')) { | 
            
            
              | 102 | 
                              delete data.order;  | 
            
            
              | 103 | 
                          }  | 
            
            
              | 104 | 
                          if (data.hasOwnProperty('search')) { | 
            
            
              | 105 | 
                              delete data.search;  | 
            
            
              | 106 | 
                          }  | 
            
            
              | 107 | 
                          // If we're handling our own pagination, set the properties  | 
            
            
              | 108 | 
                          // that DT will send in the request  | 
            
            
              | 109 | 
                          if (ownPagination) { | 
            
            
              | 110 | 
                              start = forward ? start + pageSize : start - pageSize;  | 
            
            
              | 111 | 
                              data.start = start;  | 
            
            
              | 112 | 
                              data.length = pageSize;  | 
            
            
              | 113 | 
                          }  | 
            
            
              | 114 | 
                      };  | 
            
            
              | 115 | 
                      // Add any datatables config options passed from the service  | 
            
            
              | 116 | 
                      // to the table definition  | 
            
            
              | 117 | 
                      tableDef.ajax.url = service.endpoint + metadata;  | 
            
            
              | 118 | 
                      if (service.hasOwnProperty('datatablesConfig')) { | 
            
            
              | 119 | 
                          var conf = service.datatablesConfig;  | 
            
            
              | 120 | 
                          for (var key in conf) { | 
            
            
              | 121 | 
                              // The config from the service definition comes from a Perl  | 
            
            
              | 122 | 
                              // hashref, therefore can't contain true/false, so we  | 
            
            
              | 123 | 
                              // special case it  | 
            
            
              | 124 | 
                              if (conf.hasOwnProperty(key)) { | 
            
            
              | 125 | 
                                  if (conf[key] == 'false') { | 
            
            
              | 126 | 
                                      // Special case false values  | 
            
            
              | 127 | 
                                      tableDef[key] = false;  | 
            
            
              | 128 | 
                                  } else if (conf[key] == 'true') { | 
            
            
              | 129 | 
                                      // Special case true values  | 
            
            
              | 130 | 
                                      tableDef[key] = true;  | 
            
            
              | 131 | 
                                  } else { | 
            
            
              | 132 | 
                                      // Copy the property value  | 
            
            
              | 133 | 
                                      tableDef[key] = conf[key];  | 
            
            
              | 134 | 
                                  }  | 
            
            
              | 135 | 
                              }  | 
            
            
              | 136 | 
                          }  | 
            
            
              | 137 | 
                      }  | 
            
            
              | 138 | 
                      // Create event watchers for the "next" and "previous" pagination  | 
            
            
              | 139 | 
                      // links, this enables us to set the direction the next request is  | 
            
            
              | 140 | 
                      // going in when we're doing our own pagination. We use "hover"  | 
            
            
              | 141 | 
                      // because the click event is caught after the request has been  | 
            
            
              | 142 | 
                      // sent  | 
            
            
              | 143 | 
                      tableDef.drawCallback = function() { | 
            
            
              | 144 | 
                          $('.paginate_button.next:not(.disabled)', | 
            
            
              | 145 | 
                              this.api().table().container()  | 
            
            
              | 146 | 
                          ).on('hover', function() { | 
            
            
              | 147 | 
                              forward = true;  | 
            
            
              | 148 | 
                              directionSet = true;  | 
            
            
              | 149 | 
                          });  | 
            
            
              | 150 | 
                          $('.paginate_button.previous:not(.disabled)', | 
            
            
              | 151 | 
                              this.api().table().container()  | 
            
            
              | 152 | 
                           ).on('hover', function() { | 
            
            
              | 153 | 
                              forward = false;  | 
            
            
              | 154 | 
                              directionSet = true;  | 
            
            
              | 155 | 
                          });  | 
            
            
              | 156 | 
                      }  | 
            
            
              | 157 | 
                      // Initialise the table  | 
            
            
              | 158 | 
                      $('#'+service.id ).dataTable( | 
            
            
              | 159 | 
                          $.extend(true, {}, dataTablesDefaults, tableDef) | 
            
            
              | 160 | 
                      );  | 
            
            
              | 161 | 
                  });  | 
            
            
              | 162 | 
               | 
            
            
              | 163 | 
              });  |