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         cache : {},
  11
  12         /**
  13          * args:
  14          *  idlField -- Field description object from fieldmapper.IDL.fmclasses
  15          *  fmObject -- If available, the object being edited.  This will be used
  16          *      to set the value of the widget.
  17          *  fmClass -- Class name (not required if idlField or fmObject is set)
  18          *  fmField -- Field name (not required if idlField)
  19          *  parentNode -- If defined, the widget will be appended to this DOM node
  20          *  dijitArgs -- Optional parameters object, passed directly to the dojo widget
  21          *  orgLimitPerms -- If this field defines a set of org units and an orgLimitPerms
  22          *      is defined, the code will limit the org units in the set to those
  23          *      allowed by the permission
  24          */
  25         constructor : function(args) {
  26             for(var k in args)
  27                 this[k] = args[k];
  28
  29             // find the field description in the IDL if not provided
  30             if(this.fmObject)
  31                 this.fmClass = this.fmObject.classname;
  32             this.fmIDL = fieldmapper.IDL.fmclasses[this.fmClass];
  33
  34             if(!this.idlField) {
  35                 this.fmIDL = fieldmapper.IDL.fmclasses[this.fmClass];
  36                 var fields = this.fmIDL.fields;
  37                 for(var f in fields)
  38                     if(fields[f].name == this.fmField)
  39                         this.idlField = fields[f];
  40             }
  41         },
  42
  43         /**
  44          * Turn the widget-stored value into a value oils understands
  45          */
  46         getFormattedValue : function() {
  47             var value = this.baseWidgetValue();
  48
  49             /* text widgets default to "" when no data is entered */
  50             if(value == '') return null;
  51
  52             switch(this.idlField.datatype) {
  53                 case 'bool':
  54                     return (value) ? 't' : 'f'
  55                 case 'timestamp':
  56                     return dojo.date.stamp.toISOString(value);
  57                 default:
  58                     return value;
  59             }
  60         },
  61
  62         baseWidgetValue : function(value) {
  63             var attr = (this.readOnly) ? 'content' : 'value';
  64             if(arguments.length) this.widget.attr(attr, value);
  65             return this.widget.attr(attr);
  66         },
  67
  68         /**
  69          * Turn the widget-stored value into something visually suitable
  70          */
  71         getDisplayString : function() {
  72             var value = this.widgetValue;
  73             switch(this.idlField.datatype) {
  74                 case 'bool':
  75                     return (value) ? 'True' : 'False'; // XXX i18n!
  76                 case 'timestamp':
  77                     dojo.require('dojo.date.locale');
  78                     dojo.require('dojo.date.stamp');
  79                     var date = dojo.date.stamp.fromISOString(value);
  80                     return dojo.date.locale.format(date, {formatLength:'short'});
  81                 case 'org_unit':
  82                     return fieldmapper.aou.findOrgUnit(value).shortname();
  83                 default:
  84                     return value+'';
  85             }
  86         },
  87
  88         build : function(onload) {
  89
  90             if(this.widget) {
  91                 // core widget provided for us, attach and move on
  92                 if(this.parentNode) // may already be in the "right" place
  93                     this.parentNode.appendChild(this.widget.domNode);
  94                 return;
  95             }
  96
  97             this.onload = onload;
  98             if(this.widgetValue == null)
  99                 this.widgetValue = (this.fmObject) ? this.fmObject[this.idlField.name]() : null;
 100
 101             if(this.readOnly) {
 102                 dojo.require('dijit.layout.ContentPane');
 103                 this.widget = new dijit.layout.ContentPane(this.dijitArgs, this.parentNode);
 104
 105             } else if(this.widgetClass) {
 106                 dojo.require(this.widgetClass);
 107                 eval('this.widget = new ' + this.widgetClass + '(this.dijitArgs, this.parentNode);');
 108
 109             } else {
 110
 111                 switch(this.idlField.datatype) {
 112
 113                     case 'id':
 114                         dojo.require('dijit.form.TextBox');
 115                         this.widget = new dijit.form.TextBox(this.dijitArgs, this.parentNode);
 116                         this.widget.attr('disabled', true); // never allow editing of IDs
 117                         break;
 118
 119                     case 'org_unit':
 120                         this._buildOrgSelector();
 121                         break;
 122
 123                     case 'money':
 124                         dojo.require('dijit.form.CurrencyTextBox');
 125                         this.widget = new dijit.form.CurrencyTextBox(this.dijitArgs, this.parentNode);
 126                         break;
 127
 128                     case 'int':
 129                         dojo.require('dijit.form.NumberTextBox');
 130                         this.dijitArgs = dojo.mixin(this.dijitArgs || {}, {constraints:{places:0}});
 131                         this.widget = new dijit.form.NumberTextBox(this.dijitArgs, this.parentNode);
 132                         break;
 133
 134                     case 'float':
 135                         dojo.require('dijit.form.NumberTextBox');
 136                         this.widget = new dijit.form.NumberTextBox(this.dijitArgs, this.parentNode);
 137                         break;
 138
 139                     case 'timestamp':
 140                         dojo.require('dijit.form.DateTextBox');
 141                         dojo.require('dojo.date.stamp');
 142                         this.widget = new dijit.form.DateTextBox(this.dijitArgs, this.parentNode);
 143                         if(this.widgetValue != null)
 144                             this.widgetValue = dojo.date.stamp.fromISOString(this.widgetValue);
 145                         break;
 146
 147                     case 'bool':
 148                         dojo.require('dijit.form.CheckBox');
 149                         this.widget = new dijit.form.CheckBox(this.dijitArgs, this.parentNode);
 150                         this.widgetValue = openils.Util.isTrue(this.widgetValue);
 151                         break;
 152
 153                     case 'link':
 154                         if(this._buildLinkSelector()) break;
 155
 156                     default:
 157                         dojo.require('dijit.form.TextBox');
 158                         this.widget = new dijit.form.TextBox(this.dijitArgs, this.parentNode);
 159                 }
 160             }
 161
 162             if(!this.async) this._widgetLoaded();
 163             return this.widget;
 164         },
 165
 166         _buildLinkSelector : function() {
 167
 168             /* verify we can and should grab the related class */
 169             var linkClass = this.idlField['class'];
 170             if(this.idlField.reltype != 'has_a')  return false;
 171             if(!fieldmapper.IDL.fmclasses[linkClass].permacrud) return false;
 172             if(!fieldmapper.IDL.fmclasses[linkClass].permacrud.retrieve) return false;
 173
 174             dojo.require('openils.PermaCrud');
 175             dojo.require('dojo.data.ItemFileReadStore');
 176             dojo.require('dijit.form.FilteringSelect');
 177
 178             var self = this;
 179             var vfield;
 180             var rclassIdl = fieldmapper.IDL.fmclasses[linkClass];
 181
 182             if(linkClass == 'pgt')
 183                 return self._buildPermGrpSelector();
 184
 185             this.async = true;
 186             this.widget = new dijit.form.FilteringSelect(this.dijitArgs, this.parentNode);
 187
 188             for(var f in rclassIdl.fields) {
 189                 if(self.idlField.key == rclassIdl.fields[f].name) {
 190                     vfield = rclassIdl.fields[f];
 191                     break;
 192                 }
 193             }
 194
 195             this.widget.searchAttr = this.widget.labelAttr = vfield.selector || vfield.name;
 196             this.widget.valueAttr = vfield.name;
 197
 198             new openils.PermaCrud().retrieveAll(linkClass, {
 199                 async : true,
 200                 oncomplete : function(r) {
 201                     var list = openils.Util.readResponse(r, false, true);
 202                     if(list) {
 203                         self.widget.store =
 204                             new dojo.data.ItemFileReadStore({data:fieldmapper[linkClass].toStoreData(list)});
 205                     }
 206                     self.widget.startup();
 207                     self._widgetLoaded();
 208                 }
 209             });
 210
 211             return true;
 212         },
 213
 214         /**
 215          * For widgets that run asynchronously, provide a callback for finishing up
 216          */
 217         _widgetLoaded : function(value) {
 218             if(this.readOnly) {
 219                 this.baseWidgetValue(this.getDisplayString());
 220             } else {
 221                 this.baseWidgetValue(this.widgetValue);
 222                 if(this.idlField.name == this.fmIDL.pkey && this.fmIDL.pkey_sequence)
 223                     this.widget.attr('disabled', true);
 224             }
 225             if(this.onload)
 226                 this.onload(this.widget, self);
 227         },
 228
 229         _buildOrgSelector : function() {
 230             dojo.require('fieldmapper.OrgUtils');
 231             dojo.require('openils.widget.FilteringTreeSelect');
 232             this.widget = new openils.widget.FilteringTreeSelect(this.dijitArgs, this.parentNode);
 233             this.widget.searchAttr = 'shortname';
 234             this.widget.labelAttr = 'shortname';
 235             this.widget.parentField = 'parent_ou';
 236
 237             // if we have a limit perm, find the relevent orgs (async)
 238             if(this.orgLimitPerms && this.orgLimitPerms.length > 0) {
 239                 this.async = true;
 240                 var user = new openils.User();
 241                 var self = this;
 242                 user.getPermOrgList(this.orgLimitPerms,
 243                     function(orgList) {
 244                         self.widget.tree = orgList;
 245                         self.widget.startup();
 246                         self._widgetLoaded();
 247                     }
 248                 );
 249
 250             } else {
 251                 this.widget.tree = fieldmapper.aou.globalOrgTree;
 252                 this.widget.startup();
 253             }
 254         },
 255
 256         _buildPermGrpSelector : function() {
 257             dojo.require('openils.widget.FilteringTreeSelect');
 258             this.widget = new openils.widget.FilteringTreeSelect(this.dijitArgs, this.parentNode);
 259             this.widget.searchAttr = 'name';
 260
 261             if(this.cache.permGrpTree) {
 262                 this.widget.tree = this.cache.permGrpTree;
 263                 this.widget.startup();
 264                 return;
 265             }
 266
 267             var self = this;
 268             this.async = true;
 269             new openils.PermaCrud().retrieveAll('pgt', {
 270                 async : true,
 271                 oncomplete : function(r) {
 272                     var list = openils.Util.readResponse(r, false, true);
 273                     if(!list) return;
 274                     var map = {};
 275                     var root = null;
 276                     for(var l in list)
 277                         map[list[l].id()] = list[l];
 278                     for(var l in list) {
 279                         var node = list[l];
 280                         var pnode = map[node.parent()];
 281                         if(!pnode) {root = node; continue;}
 282                         if(!pnode.children()) pnode.children([]);
 283                         pnode.children().push(node);
 284                     }
 285                     self.widget.tree = self.cache.permGrpTree = root;
 286                     self.widget.startup();
 287                     self._widgetLoaded();
 288                 }
 289             });
 290
 291             return true;
 292         }
 293     });
 294 }
 295