1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 /* 25 * Conversion parameters: 26 * inFile = libgda-GdaDataModelHash.html 27 * outPack = gda 28 * outFile = DataModelHash 29 * strct = GdaDataModelHash 30 * realStrct= 31 * ctorStrct=GdaDataModel 32 * clss = DataModelHash 33 * interf = 34 * class Code: No 35 * interface Code: No 36 * template for: 37 * extend = GdaDataModel 38 * implements: 39 * prefixes: 40 * - gda_data_model_hash_ 41 * omit structs: 42 * omit prefixes: 43 * omit code: 44 * omit signals: 45 * imports: 46 * - gda.DataModel 47 * - gda.Value 48 * - gda.Row 49 * structWrap: 50 * - GdaDataModel* -> DataModel 51 * - GdaRow* -> Row 52 * - GdaValue* -> Value 53 * module aliases: 54 * local aliases: 55 * overrides: 56 */ 57 58 module gda.DataModelHash; 59 60 public import gdac.gdatypes; 61 62 private import gdac.gda; 63 private import glib.ConstructionException; 64 private import gobject.ObjectG; 65 66 private import gda.DataModel; 67 private import gda.Value; 68 private import gda.Row; 69 70 71 private import gda.DataModel; 72 73 /** 74 * Unlike GdaDataModelArray, this data model implementation stores the GdaRow in 75 * a hash table. So it only retrieves from the database backend exactly the 76 * requested rows (while in GdaDataModelArray you have to retrieve all the rows 77 * until the one requested). 78 */ 79 public class DataModelHash : DataModel 80 { 81 82 /** the main Gtk struct */ 83 protected GdaDataModelHash* gdaDataModelHash; 84 85 86 /** Get the main Gtk struct */ 87 public GdaDataModelHash* getDataModelHashStruct() 88 { 89 return gdaDataModelHash; 90 } 91 92 93 /** the main Gtk struct as a void* */ 94 protected override void* getStruct() 95 { 96 return cast(void*)gdaDataModelHash; 97 } 98 99 /** 100 * Sets our main struct and passes it to the parent class 101 */ 102 public this (GdaDataModelHash* gdaDataModelHash) 103 { 104 super(cast(GdaDataModel*)gdaDataModelHash); 105 this.gdaDataModelHash = gdaDataModelHash; 106 } 107 108 protected override void setStruct(GObject* obj) 109 { 110 super.setStruct(obj); 111 gdaDataModelHash = cast(GdaDataModelHash*)obj; 112 } 113 114 /** 115 */ 116 117 /** 118 * Params: 119 * cols = number of columns for rows in this data model. 120 * Throws: ConstructionException GTK+ fails to create the object. 121 */ 122 public this (int cols) 123 { 124 // GdaDataModel* gda_data_model_hash_new (gint cols); 125 auto p = gda_data_model_hash_new(cols); 126 if(p is null) 127 { 128 throw new ConstructionException("null returned by gda_data_model_hash_new(cols)"); 129 } 130 this(cast(GdaDataModelHash*) p); 131 } 132 133 /** 134 * Retrieves the value at a specified column and row. 135 * Params: 136 * model = the GdaDataModelHash to retrieve the value from. 137 * col = column number (starting from 0). 138 * row = row number (starting from 0). 139 * Returns: a pointer to a GdaValue. 140 */ 141 public static Value getValueAt(DataModel model, int col, int row) 142 { 143 // const GdaValue* gda_data_model_hash_get_value_at (GdaDataModel *model, gint col, gint row); 144 auto p = gda_data_model_hash_get_value_at((model is null) ? null : model.getDataModelStruct(), col, row); 145 146 if(p is null) 147 { 148 return null; 149 } 150 151 return ObjectG.getDObject!(Value)(cast(GdaValue*) p); 152 } 153 154 /** 155 * Frees all the rows inserted in model. 156 */ 157 public void clear() 158 { 159 // void gda_data_model_hash_clear (GdaDataModelHash *model); 160 gda_data_model_hash_clear(gdaDataModelHash); 161 } 162 163 /** 164 * Sets the number of columns for rows inserted in this model. 165 * cols must be greater than or equal to 0. 166 * This function calls gda_data_model_hash_clear to free the 167 * existing rows if any. 168 * Params: 169 * cols = the number of columns for rows inserted in model. 170 */ 171 public void setNColumns(int cols) 172 { 173 // void gda_data_model_hash_set_n_columns (GdaDataModelHash *model, gint cols); 174 gda_data_model_hash_set_n_columns(gdaDataModelHash, cols); 175 } 176 177 /** 178 * Inserts a row in the model. 179 * Params: 180 * rownum = the number of the row. 181 * row = the row to insert. The model is responsible of freeing it! 182 */ 183 public void insertRow(int rownum, Row row) 184 { 185 // void gda_data_model_hash_insert_row (GdaDataModelHash *model, gint rownum, GdaRow *row); 186 gda_data_model_hash_insert_row(gdaDataModelHash, rownum, (row is null) ? null : row.getRowStruct()); 187 } 188 189 /** 190 * Retrieves a row from the underlying hash table. 191 * Params: 192 * model = the GdaDataModelHash 193 * row = row number 194 * Returns: a GdaRow or NULL if the requested row is not in the hash table. 195 */ 196 public static Row getRow(DataModel model, int row) 197 { 198 // const GdaRow* gda_data_model_hash_get_row (GdaDataModel *model, gint row); 199 auto p = gda_data_model_hash_get_row((model is null) ? null : model.getDataModelStruct(), row); 200 201 if(p is null) 202 { 203 return null; 204 } 205 206 return ObjectG.getDObject!(Row)(cast(GdaRow*) p); 207 } 208 }