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 
67 private import gda.DataModel;
68 private import gda.Value;
69 private import gda.Row;
70 
71 
72 
73 private import gda.DataModel;
74 
75 /**
76  * Unlike GdaDataModelArray, this data model implementation stores the GdaRow in
77  * a hash table. So it only retrieves from the database backend exactly the
78  * requested rows (while in GdaDataModelArray you have to retrieve all the rows
79  * until the one requested).
80  */
81 public class DataModelHash : DataModel
82 {
83 	
84 	/** the main Gtk struct */
85 	protected GdaDataModelHash* gdaDataModelHash;
86 	
87 	
88 	public GdaDataModelHash* getDataModelHashStruct()
89 	{
90 		return gdaDataModelHash;
91 	}
92 	
93 	
94 	/** the main Gtk struct as a void* */
95 	protected override void* getStruct()
96 	{
97 		return cast(void*)gdaDataModelHash;
98 	}
99 	
100 	/**
101 	 * Sets our main struct and passes it to the parent class
102 	 */
103 	public this (GdaDataModelHash* gdaDataModelHash)
104 	{
105 		super(cast(GdaDataModel*)gdaDataModelHash);
106 		this.gdaDataModelHash = gdaDataModelHash;
107 	}
108 	
109 	protected override void setStruct(GObject* obj)
110 	{
111 		super.setStruct(obj);
112 		gdaDataModelHash = cast(GdaDataModelHash*)obj;
113 	}
114 	
115 	/**
116 	 */
117 	
118 	/**
119 	 * Params:
120 	 * cols = number of columns for rows in this data model.
121 	 * Throws: ConstructionException GTK+ fails to create the object.
122 	 */
123 	public this (int cols)
124 	{
125 		// GdaDataModel* gda_data_model_hash_new (gint cols);
126 		auto p = gda_data_model_hash_new(cols);
127 		if(p is null)
128 		{
129 			throw new ConstructionException("null returned by gda_data_model_hash_new(cols)");
130 		}
131 		this(cast(GdaDataModelHash*) p);
132 	}
133 	
134 	/**
135 	 * Retrieves the value at a specified column and row.
136 	 * Params:
137 	 * model = the GdaDataModelHash to retrieve the value from.
138 	 * col = column number (starting from 0).
139 	 * row = row number (starting from 0).
140 	 * Returns: a pointer to a GdaValue.
141 	 */
142 	public static Value getValueAt(DataModel model, int col, int row)
143 	{
144 		// const GdaValue* gda_data_model_hash_get_value_at (GdaDataModel *model,  gint col,  gint row);
145 		auto p = gda_data_model_hash_get_value_at((model is null) ? null : model.getDataModelStruct(), col, row);
146 		
147 		if(p is null)
148 		{
149 			return null;
150 		}
151 		
152 		return ObjectG.getDObject!(Value)(cast(GdaValue*) p);
153 	}
154 	
155 	/**
156 	 * Frees all the rows inserted in model.
157 	 */
158 	public void clear()
159 	{
160 		// void gda_data_model_hash_clear (GdaDataModelHash *model);
161 		gda_data_model_hash_clear(gdaDataModelHash);
162 	}
163 	
164 	/**
165 	 * Sets the number of columns for rows inserted in this model.
166 	 * cols must be greater than or equal to 0.
167 	 * This function calls gda_data_model_hash_clear to free the
168 	 * existing rows if any.
169 	 * Params:
170 	 * cols = the number of columns for rows inserted in model.
171 	 */
172 	public void setNColumns(int cols)
173 	{
174 		// void gda_data_model_hash_set_n_columns (GdaDataModelHash *model,  gint cols);
175 		gda_data_model_hash_set_n_columns(gdaDataModelHash, cols);
176 	}
177 	
178 	/**
179 	 * Inserts a row in the model.
180 	 * Params:
181 	 * rownum = the number of the row.
182 	 * row = the row to insert. The model is responsible of freeing it!
183 	 */
184 	public void insertRow(int rownum, Row row)
185 	{
186 		// void gda_data_model_hash_insert_row (GdaDataModelHash *model,  gint rownum,  GdaRow *row);
187 		gda_data_model_hash_insert_row(gdaDataModelHash, rownum, (row is null) ? null : row.getRowStruct());
188 	}
189 	
190 	/**
191 	 * Retrieves a row from the underlying hash table.
192 	 * Params:
193 	 * model = the GdaDataModelHash
194 	 * row = row number
195 	 * Returns: a GdaRow or NULL if the requested row is not in the hash table.
196 	 */
197 	public static Row getRow(DataModel model, int row)
198 	{
199 		// const GdaRow* gda_data_model_hash_get_row (GdaDataModel *model,  gint row);
200 		auto p = gda_data_model_hash_get_row((model is null) ? null : model.getDataModelStruct(), row);
201 		
202 		if(p is null)
203 		{
204 			return null;
205 		}
206 		
207 		return ObjectG.getDObject!(Row)(cast(GdaRow*) p);
208 	}
209 }