Open-ILS/web/js/dojo/openils/widget/AutoFieldWidget.js

   1 if(!dojo._hasResource['openils.widget.AutoFieldWidget']) {
   2     dojo.provide('openils.widget.AutoFieldWidget');
   3     dojo.require('openils.Util');
   4     dojo.require('openils.User');
   5     dojo.require('fieldmapper.IDL');
   6
   7     dojo.declare('openils.widget.AutoFieldWidget', null, {
   8
   9         async : false,
  10
  11         /**
  12          * args:
  13          *  idlField -- Field description object from fieldmapper.IDL.fmclasses
  14          *  fmObject -- If available, the object being edited.  This will be used
  15          *      to set the value of the widget.
  16          *  fmClass -- Class name (not required if idlField or fmObject is set)
  17          *  fmField -- Field name (not required if idlField)
  18          *  parentNode -- If defined, the widget will be appended to this DOM node
  19          *  dijitArgs -- Optional parameters object, passed directly to the dojo widget
  20          *  orgLimitPerms -- If this field defines a set of org units and an orgLimitPerms
  21          *      is defined, the code will limit the org units in the set to those
  22          *      allowed by the permission
  23          */
  24         constructor : function(args) {
  25             for(var k in args)
  26                 this[k] = args[k];
  27
  28             // find the field description in the IDL if not provided
  29             if(this.fmObject)
  30                 this.fmClass = this.fmObject.classname;
  31             this.fmIDL = fieldmapper.IDL.fmclasses[this.fmClass];
  32
  33             if(!this.idlField) {
  34                 this.fmIDL = fieldmapper.IDL.fmclasses[this.fmClass];
  35                 var fields = this.fmIDL.fields;
  36                 for(var f in fields)
  37                     if(fields[f].name == this.fmField)
  38                         this.idlField = fields[f];
  39             }
  40         },
  41
  42         /**
  43          * Turn the value from the dojo widget into a value oils understands
  44          */
  45         getFormattedValue : function() {
  46             var value = this.baseWidgetValue();
  47             switch(this.idlField.datatype) {
  48                 case 'bool':
  49                     return (value) ? 't' : 'f'
  50                 case 'timestamp':
  51                     return dojo.date.stamp.toISOString(value);
  52                 default:
  53                     return value;
  54             }
  55         },
  56
  57         baseWidgetValue : function(value) {
  58             var attr = (this.readOnly) ? 'content' : 'value';
  59             if(arguments.length) this.widget.attr(attr, value);
  60             return this.widget.attr(attr);
  61         },
  62
  63         getDisplayString : function() {
  64             var value = this.widgetValue;
  65             switch(this.idlField.datatype) {
  66                 case 'bool':
  67                     return (value) ? 'True' : 'False'; // XXX i18n!
  68                 case 'timestamp':
  69                     dojo.require('dojo.date.locale');
  70                     dojo.require('dojo.date.stamp');
  71                     var date = dojo.date.stamp.fromISOString(value);
  72                     return dojo.date.locale.format(date, {formatLength:'short'});
  73                 case 'org_unit':
  74                     return fieldmapper.aou.findOrgUnit(value).shortname();
  75                 default:
  76                     return value+'';
  77             }
  78         },
  79
  80         build : function(onload) {
  81             this.onload = onload;
  82             if(this.widgetValue == null)
  83                 this.widgetValue = (this.fmObject) ? this.fmObject[this.idlField.name]() : null;
  84
  85             if(this.readOnly) {
  86                 dojo.require('dijit.layout.ContentPane');
  87                 this.widget = new dijit.layout.ContentPane(this.dijitArgs, this.parentNode);
  88
  89             } else {
  90
  91                 switch(this.idlField.datatype) {
  92
  93                     case 'id':
  94                         dojo.require('dijit.form.TextBox');
  95                         this.widget = new dijit.form.TextBox(this.dijitArgs, this.parentNode);
  96                         this.widget.attr('disabled', true); // never allow editing of IDs
  97                         break;
  98
  99                     case 'org_unit':
 100                         this._buildOrgSelector();
 101                         break;
 102
 103                     case 'money':
 104                         dojo.require('dijit.form.CurrencyTextBox');
 105                         this.widget = new dijit.form.CurrencyTextBox(this.dijitArgs, this.parentNode);
 106                         break;
 107
 108                     case 'timestamp':
 109                         dojo.require('dijit.form.DateTextBox');
 110                         dojo.require('dojo.date.stamp');
 111                         this.widget = new dijit.form.DateTextBox(this.dijitArgs, this.parentNode);
 112                         if(this.widgetValue != null)
 113                             this.widgetValue = dojo.date.stamp.fromISOString(this.widgetValue);
 114                         break;
 115
 116                     case 'bool':
 117                         dojo.require('dijit.form.CheckBox');
 118                         this.widget = new dijit.form.CheckBox(this.dijitArgs, this.parentNode);
 119                         this.widgetValue = openils.Util.isTrue(this.widgetValue);
 120                         break;
 121
 122                     case 'link':
 123                         if(this._buildLinkSelector()) break;
 124
 125                     default:
 126                         dojo.require('dijit.form.TextBox');
 127                         this.widget = new dijit.form.TextBox(this.dijitArgs, this.parentNode);
 128                 }
 129             }
 130
 131             if(!this.async) this._widgetLoaded();
 132             return this.widget;
 133         },
 134
 135         _buildLinkSelector : function() {
 136
 137             /* verify we can and should grab the related class */
 138             var linkClass = this.idlField['class'];
 139             if(this.idlField.reltype != 'has_a')  return false;
 140             if(!fieldmapper.IDL.fmclasses[linkClass].permacrud) return false;
 141             if(!fieldmapper.IDL.fmclasses[linkClass].permacrud.retrieve) return false;
 142
 143             dojo.require('openils.PermaCrud');
 144             dojo.require('dojo.data.ItemFileReadStore');
 145             dojo.require('dijit.form.FilteringSelect');
 146
 147             var self = this;
 148             this.async = true;
 149             this.widget = new dijit.form.FilteringSelect(this.dijitArgs, this.parentNode);
 150             var rclassIdl = fieldmapper.IDL.fmclasses[linkClass];
 151             var vfield;
 152
 153             for(var f in rclassIdl.fields) {
 154                 if(self.idlField.key == rclassIdl.fields[f].name) {
 155                     vfield = rclassIdl.fields[f];
 156                     break;
 157                 }
 158             }
 159
 160             this.widget.searchAttr = this.widget.labelAttr = vfield.selector || vfield.name;
 161             this.widget.valueAttr = vfield.name;
 162
 163             new openils.PermaCrud().retrieveAll(linkClass, {
 164                 async : true,
 165                 oncomplete : function(r) {
 166                     var list = openils.Util.readResponse(r, false, true);
 167                     if(list) {
 168                         self.widget.store =
 169                             new dojo.data.ItemFileReadStore({data:fieldmapper[linkClass].toStoreData(list)});
 170                     }
 171                     self.widget.startup();
 172                     self._widgetLoaded();
 173                 }
 174             });
 175
 176             return true;
 177         },
 178
 179         /**
 180          * For widgets that run asynchronously, provide a callback for finishing up
 181          */
 182         _widgetLoaded : function(value) {
 183             if(this.readOnly) {
 184                 this.baseWidgetValue(this.getDisplayString());
 185             } else {
 186                 this.baseWidgetValue(this.widgetValue);
 187                 if(this.idlField.name == this.fmIDL.pkey && this.fmIDL.pkey_sequence)
 188                     this.widget.attr('disabled', true);
 189             }
 190             if(this.onload)
 191                 this.onload(this.widget, self);
 192         },
 193
 194         _buildOrgSelector : function() {
 195             dojo.require('fieldmapper.OrgUtils');
 196             dojo.require('openils.widget.FilteringTreeSelect');
 197             this.widget = new openils.widget.FilteringTreeSelect(this.dijitArgs, this.parentNode);
 198             this.widget.searchAttr = 'shortname';
 199             this.widget.labelAttr = 'shortname';
 200             this.widget.parentField = 'parent_ou';
 201
 202             // if we have a limit perm, find the relevent orgs (async)
 203             if(this.orgLimitPerms && this.orgLimitPerms.length > 0) {
 204                 this.async = true;
 205                 var user = new openils.User();
 206                 var self = this;
 207                 user.getPermOrgList(this.orgLimitPerms,
 208                     function(orgList) {
 209                         self.widget.tree = orgList;
 210                         self.widget.startup();
 211                         self._widgetLoaded();
 212                     }
 213                 );
 214
 215             } else {
 216                 this.widget.tree = fieldmapper.aou.globalOrgTree;
 217                 this.widget.startup();
 218             }
 219         }
 220     });
 221 }
 222