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

   1 if(!dojo._hasResource['openils.widget.AutoGrid']) {
   2     dojo.provide('openils.widget.AutoGrid');
   3     dojo.require('dojox.grid.DataGrid');
   4     dojo.require('openils.widget.AutoWidget');
   5     dojo.require('openils.widget.AutoFieldWidget');
   6     dojo.require('openils.widget.EditPane');
   7     dojo.require('openils.widget.EditDialog');
   8     dojo.require('openils.Util');
   9
  10     dojo.declare(
  11         'openils.widget.AutoGrid',
  12         [dojox.grid.DataGrid, openils.widget.AutoWidget],
  13         {
  14
  15             /* if true, pop up an edit dialog when user hits Enter on a give row */
  16             editOnEnter : false,
  17             defaultCellWidth : null,
  18
  19             /* by default, don't show auto-generated (sequence) fields */
  20             showSequenceFields : false,
  21
  22             startup : function() {
  23                 this.selectionMode = 'single';
  24                 this.inherited(arguments);
  25                 this.initAutoEnv();
  26                 this.setStructure(this._compileStructure());
  27                 this.setStore(this.buildAutoStore());
  28                 this.overrideEditWidgets = {};
  29                 if(this.editOnEnter)
  30                     this._applyEditOnEnter();
  31                 else if(this.singleEditStyle)
  32                     this._applySingleEditStyle();
  33             },
  34
  35             _compileStructure : function() {
  36                 var existing = (this.structure && this.structure[0].cells[0]) ?
  37                     this.structure[0].cells[0] : [];
  38                 var fields = [];
  39
  40                 var self = this;
  41                 function pushEntry(entry) {
  42                     if(!entry.get)
  43                         entry.get = openils.widget.AutoGrid.defaultGetter
  44                     if(!entry.width && self.defaultCellWidth)
  45                         entry.width = self.defaultCellWidth;
  46                     fields.push(entry);
  47                 }
  48
  49                 if(!this.fieldOrder) {
  50                     /* no order defined, start with any explicit grid fields */
  51                     for(var e in existing) {
  52                         var entry = existing[e];
  53                         var field = this.fmIDL.fields.filter(
  54                             function(i){return (i.name == entry.field)})[0];
  55                         if(field) entry.name = entry.name || field.label;
  56                         pushEntry(entry);
  57                     }
  58                 }
  59
  60                 for(var f in this.sortedFieldList) {
  61                     var field = this.sortedFieldList[f];
  62                     if(!field || field.virtual) continue;
  63
  64                     // field was already added above
  65                     if(fields.filter(function(i){return (i.field == field.name)})[0])
  66                         continue;
  67
  68
  69                     if(!this.showSequenceFields && field.name == this.fmIDL.pkey && this.fmIDL.pkey_sequence)
  70                         continue;
  71                     var entry = existing.filter(function(i){return (i.field == field.name)})[0];
  72                     if(entry) entry.name = field.label;
  73                     else entry = {field:field.name, name:field.label};
  74                     pushEntry(entry);
  75                 }
  76
  77                 return [{cells: [fields]}];
  78             },
  79
  80             _applySingleEditStyle : function() {
  81                 this.onMouseOverRow = function(e) {};
  82                 this.onMouseOutRow = function(e) {};
  83                 this.onCellFocus = function(cell, rowIndex) {
  84                     this.selection.deselectAll();
  85                     this.selection.select(this.focus.rowIndex);
  86                 };
  87             },
  88
  89             /* capture keydown and launch edit dialog on enter */
  90             _applyEditOnEnter : function() {
  91                 this._applySingleEditStyle();
  92
  93                 dojo.connect(this, 'onRowDblClick',
  94                     function(e) {
  95                         this._drawEditDialog(this.selection.getFirstSelected(), this.focus.rowIndex);
  96                     }
  97                 );
  98
  99                 dojo.connect(this, 'onKeyDown',
 100                     function(e) {
 101                         if(e.keyCode == dojo.keys.ENTER) {
 102                             this.selection.deselectAll();
 103                             this.selection.select(this.focus.rowIndex);
 104                             this._drawEditDialog(this.selection.getFirstSelected(), this.focus.rowIndex);
 105                         }
 106                     }
 107                 );
 108             },
 109
 110             _makeEditPane : function(storeItem, rowIndex, onPostSubmit, onCancel) {
 111                 var grid = this;
 112                 var fmObject = new fieldmapper[this.fmClass]().fromStoreItem(storeItem);
 113                 var idents = grid.store.getIdentityAttributes();
 114
 115                 var pane = new openils.widget.EditPane({
 116                     fmObject:fmObject,
 117                     overrideWidgets : this.overrideEditWidgets,
 118                     onPostSubmit : function() {
 119                         for(var i in fmObject._fields) {
 120                             var field = fmObject._fields[i];
 121                             if(idents.filter(function(j){return (j == field)})[0])
 122                                 continue; // don't try to edit an identifier field
 123                             grid.store.setValue(storeItem, field, fmObject[field]());
 124                         }
 125                         if(self.onPostUpdate)
 126                             self.onPostUpdate(storeItem, rowIndex);
 127                         setTimeout(
 128                             function(){
 129                                 try {
 130                                     grid.views.views[0].getCellNode(rowIndex, 0).focus();
 131                                 } catch (E) {}
 132                             },200
 133                         );
 134                         if(onPostSubmit) onPostSubmit();
 135                     },
 136                     onCancel : function() {
 137                         setTimeout(function(){
 138                             grid.views.views[0].getCellNode(rowIndex, 0).focus();},200);
 139                         if(onCancel) onCancel();
 140                     }
 141                 });
 142
 143                 pane.fieldOrder = this.fieldOrder;
 144                 pane.mode = 'update';
 145                 return pane;
 146             },
 147
 148             _makeCreatePane : function(onPostSubmit, onCancel) {
 149                 var grid = this;
 150                 var pane = new openils.widget.EditPane({
 151                     fmClass : this.fmClass,
 152                     overrideWidgets : this.overrideEditWidgets,
 153                     onPostSubmit : function(r) {
 154                         var fmObject = openils.Util.readResponse(r);
 155                         if(fmObject)
 156                             grid.store.newItem(fmObject.toStoreItem());
 157                         if(grid.onPostCreate)
 158                             grid.onPostCreate(fmObject);
 159                         setTimeout(function(){
 160                             try {
 161                                 grid.selection.select(grid.rowCount-1);
 162                                 grid.views.views[0].getCellNode(grid.rowCount-1, 1).focus();
 163                             } catch (E) {}
 164                         },200);
 165                         if(onPostSubmit)
 166                             onPostSubmit();
 167                     },
 168                     onCancel : function() {
 169                         if(onCancel) onCancel();
 170                     }
 171                 });
 172                 pane.fieldOrder = this.fieldOrder;
 173                 pane.mode = 'create';
 174                 return pane;
 175             },
 176
 177
 178             _drawEditDialog : function(storeItem, rowIndex) {
 179                 var self = this;
 180                 var done = function() { self.hideDialog(); };
 181                 var pane = this._makeEditPane(storeItem, rowIndex, done, done);
 182                 this.editDialog = new openils.widget.EditDialog({editPane:pane});
 183                 this.editDialog.startup();
 184                 this.editDialog.show();
 185             },
 186
 187             showCreateDialog : function() {
 188                 var self = this;
 189                 var done = function() { self.hideDialog(); };
 190                 var pane = this._makeCreatePane(done, done);
 191                 this.editDialog = new openils.widget.EditDialog({editPane:pane});
 192                 this.editDialog.startup();
 193                 this.editDialog.show();
 194             },
 195
 196             showCreatePane : function() {
 197                 var self = this;
 198                 var done = function() { self.hidePane(); };
 199                 this.editPane = this._makeCreatePane(done, done);
 200                 this.editPane.startup();
 201                 this.domNode.parentNode.insertBefore(this.editPane.domNode, this.domNode);
 202                 dojo.style(this.domNode, 'display', 'none');
 203             },
 204
 205             hideDialog : function() {
 206                 this.editDialog.hide();
 207                 this.editDialog.destroy();
 208                 delete this.editDialog;
 209             },
 210
 211             hidePane : function() {
 212                 this.domNode.parentNode.removeChild(this.editPane.domNode);
 213                 this.editPane.destroy();
 214                 delete this.editPane;
 215                 dojo.style(this.domNode, 'display', 'block');
 216             },
 217
 218             resetStore : function() {
 219                 this.setStore(this.buildAutoStore());
 220             },
 221
 222             loadAll : function(opts, search) {
 223                 dojo.require('openils.PermaCrud');
 224                 if(!opts) opts = {};
 225                 var self = this;
 226                 opts = dojo.mixin(opts, {
 227                     async : true,
 228                     streaming : true,
 229                     onresponse : function(r) {
 230                         var item = openils.Util.readResponse(r);
 231                         self.store.newItem(item.toStoreItem());
 232                     }
 233                 });
 234                 if(search)
 235                     new openils.PermaCrud().search(this.fmClass, search, opts);
 236                 else
 237                     new openils.PermaCrud().retrieveAll(this.fmClass, opts);
 238             }
 239         }
 240     );
 241     openils.widget.AutoGrid.markupFactory = dojox.grid.DataGrid.markupFactory;
 242
 243     openils.widget.AutoGrid.defaultGetter = function(rowIndex, item) {
 244         if(!item) return '';
 245         var val = this.grid.store.getValue(item, this.field);
 246         var autoWidget = new openils.widget.AutoFieldWidget({
 247             fmClass: this.grid.fmClass,
 248             fmField: this.field,
 249             widgetValue : val,
 250         });
 251         return autoWidget.getDisplayString();
 252     }
 253 }
 254