Ext GWT Beispiel mit EditorGrid/GroupingView/GroupingStore

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GroupingStore<BaseModel> store = new GroupingStore<BaseModel>();

BaseModel c1 = new BaseModel();
c1.set( "title", "Java 1" );
c1.set( "category", "JAVA" );
c1.set( "price", 100 );
store.add( c1 );

BaseModel c2 = new BaseModel();
c2.set( "title", "Java 2" );
c2.set( "category", "JAVA" );
c2.set( "price", 200 );
store.add( c2 );

BaseModel c3 = new BaseModel();
c3.set( "title", "C#" );
c3.set( "category", ".NET" );
c3.set( "price", 100 );
store.add( c3 );

List<ColumnConfig> config = new ArrayList<ColumnConfig>();
config.add( new ColumnConfig( "category", "Kategorie", 200 ) );
config.add( new ColumnConfig( "title", "Titel", 100 ) );
config.add( new ColumnConfig( "price", "Preis", 100 ) );

store.groupBy( "category" );

final ColumnModel cm = new ColumnModel( config );

GroupingView view = new GroupingView();
view.setShowGroupedColumn( false );
view.setForceFit( true );
view.setGroupRenderer( new GridGroupRenderer()
{
  public String render( GroupColumnData data )
  {
    String header = cm.getColumnById( data.field ).getHeader();
    String items = data.models.size() == 1 ? "Eintrag" : "Einträge";
    return header + " " + data.group + " (" + data.models.size() + " " + items + ")";
  }
} );

EditorGrid<BaseModel> grid = new EditorGrid<BaseModel>( store, cm );
grid.setView( view );
grid.setBorders( true );
grid.setAutoHeight( true ); 

ContentPanel cp = new ContentPanel();
cp.add( grid );
cp.setHeight( 500 );
RootPanel.get().add( cp );

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