Open-ILS/web/js/dojo/fieldmapper/IDL.js

   1 if(!dojo._hasResource["fieldmapper.IDL"]) {
   2     dojo.provide("fieldmapper.IDL");
   3     dojo.declare('fieldmapper.IDL', null, {
   4
   5         _URL_PATH : '/reports/fm_IDL.xml', // XXX locale?
   6         // -- just need to set up xmlent and use '/reports/'+dojo.locale+'/fm_IDL.xml'
   7         NS_REPORTS : 'http://open-ils.org/spec/opensrf/IDL/reporter/v1',
   8         NS_PERSIST : 'http://open-ils.org/spec/opensrf/IDL/persistence/v1',
   9         NS_OBJ : 'http://open-ils.org/spec/opensrf/IDL/objects/v1',
  10
  11         constructor : function(callback, force) {
  12             if(!fieldmapper.IDL.fmclasses || force) {
  13                 var self = this;
  14                 dojo.xhrGet({
  15                     url : this._URL_PATH,
  16                     handleAs : 'xml',
  17                     sync : true,
  18                     timeout : 10000,
  19                     load : function (response) {
  20                         self._parse(response, callback);
  21                         fieldmapper.IDL.loaded = true;
  22                     },
  23                     error : function (response) {
  24                         fieldmapper.IDL.loaded = false;
  25                         dojo.require('fieldmapper.fmall', true);
  26                         if(callback)
  27                             callback();
  28                     }
  29                 });
  30             }
  31
  32             return dojo.require('fieldmapper.Fieldmapper');
  33         },
  34
  35         _parse : function(xmlNode, callback) {
  36             var classes = xmlNode.getElementsByTagName('class');
  37             var idl = fieldmapper.IDL.fmclasses = {};
  38
  39             for(var i = 0; i < classes.length; i++) {
  40                 var node = classes[i];
  41                 var id = node.getAttribute('id');
  42                 var fields = node.getElementsByTagName('fields')[0];
  43
  44                 var obj = {
  45                     fields  : this._parseFields(node),
  46                     name    : node.getAttribute('id'),
  47                     //table   : node.getAttributeNS(this.NS_PERSIST, 'tablename'),
  48                     //core    : node.getAttributeNS(this.NS_REPORTS, 'core'),
  49                     label   : node.getAttributeNS(this.NS_REPORTS, 'label'),
  50                     virtual : (node.getAttributeNS(this.NS_PERSIST, 'virtual') == 'true'),
  51                     pkey    : fields.getAttributeNS(this.NS_PERSIST, 'primary')
  52                 };
  53
  54                 var permacrud = node.getElementsByTagName('permacrud')[0];
  55                 if(permacrud) {
  56                     var actions = ['create', 'retrieve', 'update', 'delete'];
  57                     obj.permacrud = {};
  58                     for(var idx in actions) {
  59                         var action = actions[idx];
  60                         var pnode = permacrud.getElementsByTagName(action)[0];
  61                         if(pnode) {
  62                             var permString = pnode.getAttribute('permission');
  63                             var permList = null;
  64                             if(permString)
  65                                 permList = (permString.match(/ /)) ? permString.split(' ') : [permString];
  66
  67                             var contextString = pnode.getAttribute('context_field');
  68                             var contextList = null;
  69                             if(contextString)
  70                                 contextList = (contextString.match(/ /)) ? contextString.split(' ') : [contextString];
  71
  72                             obj.permacrud[action] = {
  73                                 perms : permList,
  74                                 localContextFields : contextList // need to add foreign context fields
  75                             }; // add more details as necessary
  76                         }
  77                     }
  78                 }
  79
  80                 obj.core = (obj.core == 'true');
  81                 obj.label = (obj.label) ? obj.label : obj.name;
  82                 idl[id] = obj;
  83             }
  84
  85             if(callback)
  86                 callback();
  87         },
  88
  89         /* parses the links and fields portion of the IDL */
  90         _parseFields : function(node) {
  91             var data = [];
  92
  93             var fields = node.getElementsByTagName('fields')[0];
  94             fields = fields.getElementsByTagName('field');
  95
  96             var links = node.getElementsByTagName('links')[0];
  97             if( links ) links = links.getElementsByTagName('link');
  98             else links = [];
  99
 100
 101             for(var i = 0; i < fields.length; i++) {
 102
 103                 var field = fields[i];
 104                 var name = field.getAttribute('name');
 105
 106                 var obj = {
 107                     field : field,
 108                     name        : name,
 109                     label : field.getAttributeNS(this.NS_REPORTS,'label'),
 110                     datatype : field.getAttributeNS(this.NS_REPORTS,'datatype'),
 111                     primitive : field.getAttributeNS(this.NS_PERSIST,'primitive'),
 112                     selector : field.getAttributeNS(this.NS_REPORTS,'selector'),
 113                     array_position : parseInt(field.getAttributeNS(this.NS_OBJ,'array_position')),
 114                     type        : 'field',
 115                     virtual : (fields[i].getAttributeNS(this.NS_PERSIST, 'virtual') == 'true')
 116                 };
 117                 obj.label = obj.label || obj.name;
 118                 obj.datatype = obj.datatype || 'text';
 119
 120                 var link = null;
 121                 for(var l = 0; l < links.length; l++) {
 122                     if(links[l].getAttribute('field') == name) {
 123                         link = links[l];
 124                         break;
 125                     }
 126                 }
 127
 128                 if(link) {
 129                     obj.type = 'link';
 130                     obj.key = link.getAttribute('key');
 131                     obj['class'] = link.getAttribute('class');
 132                     obj.reltype = link.getAttribute('reltype');
 133                 }
 134
 135                 data.push(obj);
 136             }
 137
 138             /*
 139             data = data.sort(
 140                 function(a,b) {
 141                     if( a.label > b.label ) return 1;
 142                     if( a.label < b.name ) return -1;
 143                     return 0;
 144                 }
 145             );
 146             */
 147
 148             return data;
 149         }
 150
 151     });
 152
 153     fieldmapper.IDL.load = function (callback, force) { return new fieldmapper.IDL(callback, force); };
 154     fieldmapper.IDL.loaded = false;
 155
 156 }
 157