1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef SVTOOLS_TABLESORT_HXX 25 #define SVTOOLS_TABLESORT_HXX 26 27 #include "svtools/table/tabletypes.hxx" 28 29 //...................................................................................................................... 30 namespace svt { namespace table 31 { 32 //...................................................................................................................... 33 34 //================================================================================================================== 35 //= ColumnSortDirection 36 //================================================================================================================== 37 enum ColumnSortDirection 38 { 39 ColumnSortAscending, 40 ColumnSortDescending 41 }; 42 43 //================================================================================================================== 44 //= ColumnSort 45 //================================================================================================================== 46 struct ColumnSort 47 { 48 ColPos nColumnPos; 49 ColumnSortDirection eSortDirection; 50 ColumnSortsvt::table::ColumnSort51 ColumnSort() 52 :nColumnPos( COL_INVALID ) 53 ,eSortDirection( ColumnSortAscending ) 54 { 55 } 56 ColumnSortsvt::table::ColumnSort57 ColumnSort( ColPos const i_columnPos, ColumnSortDirection const i_sortDirection ) 58 :nColumnPos( i_columnPos ) 59 ,eSortDirection( i_sortDirection ) 60 { 61 } 62 }; 63 64 //================================================================================================================== 65 //= ITableDataSort 66 //================================================================================================================== 67 /** provides sorting functionality for the datta underlying an ITableModel 68 */ 69 class SAL_NO_VTABLE ITableDataSort 70 { 71 public: 72 /** sorts the rows in the model by the given column's data, in the given direction. 73 */ 74 virtual void sortByColumn( ColPos const i_column, ColumnSortDirection const i_sortDirection ) = 0; 75 76 /** retrieves the current sort order of the data 77 78 If the <code>nColumnIndex</code> member of the returned srtructure is <code>COL_INVALID</code>, then 79 the data is currently not sorted. 80 */ 81 virtual ColumnSort getCurrentSortOrder() const = 0; 82 }; 83 84 //...................................................................................................................... 85 } } // namespace svt::table 86 //...................................................................................................................... 87 88 #endif // SVTOOLS_TABLESORT_HXX 89