1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2009, 2010, 2011 Free Software Foundation
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 #include "psppire-var-view.h"
21 #include "psppire-var-ptr.h"
22 #include "psppire-select-dest.h"
24 #include <data/variable.h>
27 #define _(msgid) gettext (msgid)
28 #define N_(msgid) msgid
30 static void psppire_var_view_base_finalize (PsppireVarViewClass *, gpointer);
31 static void psppire_var_view_base_init (PsppireVarViewClass *class);
32 static void psppire_var_view_class_init (PsppireVarViewClass *class);
33 static void psppire_var_view_init (PsppireVarView *var_view);
35 /* Returns TRUE iff VV contains the item V.
36 V must be an initialised value containing a
40 var_view_contains_var (PsppireSelectDestWidget *sdm, const GValue *v)
44 PsppireVarView *vv = PSPPIRE_VAR_VIEW (sdm);
45 g_return_val_if_fail (G_VALUE_HOLDS (v, PSPPIRE_VAR_PTR_TYPE), FALSE);
47 for (ok = psppire_var_view_get_iter_first (vv, &iter);
49 ok = psppire_var_view_get_iter_next (vv, &iter))
51 const struct variable *var = psppire_var_view_get_variable (vv, 0, &iter);
52 if (var == g_value_get_boxed (v))
60 model_init (PsppireSelectDestWidgetIface *iface)
62 iface->contains_var = var_view_contains_var;
66 psppire_var_view_get_type (void)
68 static GType psppire_var_view_type = 0;
70 if (!psppire_var_view_type)
72 static const GTypeInfo psppire_var_view_info =
74 sizeof (PsppireVarViewClass),
75 (GBaseInitFunc) psppire_var_view_base_init,
76 (GBaseFinalizeFunc) psppire_var_view_base_finalize,
77 (GClassInitFunc)psppire_var_view_class_init,
78 (GClassFinalizeFunc) NULL,
80 sizeof (PsppireVarView),
82 (GInstanceInitFunc) psppire_var_view_init,
85 static const GInterfaceInfo var_view_model_info = {
86 (GInterfaceInitFunc) model_init, /* Fill this in */
91 psppire_var_view_type =
92 g_type_register_static (GTK_TYPE_TREE_VIEW, "PsppireVarView",
93 &psppire_var_view_info, 0);
95 g_type_add_interface_static (psppire_var_view_type,
96 PSPPIRE_TYPE_SELECT_DEST_WIDGET,
97 &var_view_model_info);
100 return psppire_var_view_type;
105 psppire_var_view_finalize (GObject *object)
107 PsppireVarView *var_view = PSPPIRE_VAR_VIEW (object);
108 g_free (var_view->nums);
118 /* A (*GtkTreeCellDataFunc) function.
119 This function expects TREEMODEL to hold PSPPIRE_VAR_PTR_TYPE.
120 It renders the name of the variable into CELL.
123 display_cell_var_name (GtkTreeViewColumn *tree_column,
124 GtkCellRenderer *cell,
125 GtkTreeModel *treemodel,
129 struct variable *var;
133 GtkTreePath *path = gtk_tree_model_get_path (treemodel, iter);
135 gtk_tree_model_get_value (treemodel, iter, *col, &value);
137 gtk_tree_path_free (path);
139 var = g_value_get_boxed (&value);
141 g_value_unset (&value);
143 g_object_set (cell, "text", var ? var_get_name (var) : "", NULL);
148 psppire_var_view_get_property (GObject *object,
153 PsppireVarView *var_view = PSPPIRE_VAR_VIEW (object);
158 g_value_set_int (value, gtk_tree_model_iter_n_children (GTK_TREE_MODEL (var_view->list), NULL));
161 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
168 psppire_var_view_set_property (GObject *object,
173 PsppireVarView *var_view = PSPPIRE_VAR_VIEW (object);
179 gint n_cols = g_value_get_int (value);
183 GType *array = g_alloca (sizeof (GType) * n_cols);
185 var_view->nums = g_malloc (sizeof *var_view->nums * n_cols);
187 for (c = 0 ; c < n_cols; ++c)
189 GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
190 GtkTreeViewColumn *col = gtk_tree_view_column_new ();
192 gchar *label = g_strdup_printf (_("Var%d"), c + 1);
194 gtk_tree_view_column_set_min_width (col, 100);
195 gtk_tree_view_column_set_sizing (col, GTK_TREE_VIEW_COLUMN_FIXED);
196 gtk_tree_view_column_set_resizable (col, TRUE);
197 gtk_tree_view_column_set_title (col, label);
201 var_view->nums[c] = c;
203 gtk_tree_view_column_pack_start (col, renderer, TRUE);
204 gtk_tree_view_column_set_cell_data_func (col, renderer,
205 display_cell_var_name,
206 &var_view->nums[c], 0);
208 gtk_tree_view_append_column (GTK_TREE_VIEW (var_view), col);
209 array[c] = PSPPIRE_VAR_PTR_TYPE;
212 /* Set a model, which is an GtkListStore of gpointers which point to a variable */
213 var_view->list = gtk_list_store_newv (n_cols, array);
214 gtk_tree_view_set_model (GTK_TREE_VIEW (var_view), GTK_TREE_MODEL (var_view->list));
218 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
224 psppire_var_view_class_init (PsppireVarViewClass *class)
226 GObjectClass *object_class = G_OBJECT_CLASS (class);
228 GParamSpec *n_cols_spec =
229 g_param_spec_int ("n-cols",
231 "The Number of Columns in the Variable View",
234 G_PARAM_CONSTRUCT_ONLY | G_PARAM_READABLE | G_PARAM_WRITABLE);
237 object_class->set_property = psppire_var_view_set_property;
238 object_class->get_property = psppire_var_view_get_property;
240 g_object_class_install_property (object_class,
247 psppire_var_view_base_init (PsppireVarViewClass *class)
249 GObjectClass *object_class = G_OBJECT_CLASS (class);
251 object_class->finalize = psppire_var_view_finalize;
257 psppire_var_view_base_finalize (PsppireVarViewClass *class,
265 psppire_var_view_init (PsppireVarView *var_view)
271 psppire_var_view_new (void)
273 return GTK_WIDGET (g_object_new (psppire_var_view_get_type (), NULL));
278 psppire_var_view_get_iter_first (PsppireVarView *vv, GtkTreeIter *iter)
280 return gtk_tree_model_get_iter_first (GTK_TREE_MODEL (vv->list), iter);
284 psppire_var_view_get_iter_next (PsppireVarView *vv, GtkTreeIter *iter)
286 return gtk_tree_model_iter_next (GTK_TREE_MODEL (vv->list), iter);
289 const struct variable *
290 psppire_var_view_get_variable (PsppireVarView *vv, gint column, GtkTreeIter *iter)
292 const struct variable *var = NULL;
294 gtk_tree_model_get_value (GTK_TREE_MODEL (vv->list), iter, column, &value);
296 if ( G_VALUE_TYPE (&value) == PSPPIRE_VAR_PTR_TYPE)
297 var = g_value_get_boxed (&value);
299 g_critical ("Unsupported type `%s', in variable name treeview.",
300 G_VALUE_TYPE_NAME (&value));
302 g_value_unset (&value);
308 Append the names of selected variables to STRING.
309 Returns the number of variables appended.
312 psppire_var_view_append_names (PsppireVarView *vv, gint column, GString *string)
317 if ( psppire_var_view_get_iter_first (vv, &iter) )
321 const struct variable *var = psppire_var_view_get_variable (vv, column, &iter);
322 g_string_append (string, " ");
323 g_string_append (string, var_get_name (var));
327 while (psppire_var_view_get_iter_next (vv, &iter));