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;
104 psppire_var_view_clear (PsppireVarView *vv)
107 for (i = 0; i < vv->n_lists; ++i)
108 g_object_unref (vv->list[i]);
116 psppire_var_view_push_model (vv);
121 psppire_var_view_finalize (GObject *object)
124 PsppireVarView *var_view = PSPPIRE_VAR_VIEW (object);
125 g_free (var_view->nums);
126 for (i = 0; i < var_view->n_lists; ++i)
127 g_object_unref (var_view->list[i]);
129 g_free (var_view->list);
130 g_free (var_view->cols);
142 /* A (*GtkTreeCellDataFunc) function.
143 This function expects TREEMODEL to hold PSPPIRE_VAR_PTR_TYPE.
144 It renders the name of the variable into CELL.
147 display_cell_var_name (GtkTreeViewColumn *tree_column,
148 GtkCellRenderer *cell,
149 GtkTreeModel *treemodel,
153 struct variable *var;
157 GtkTreePath *path = gtk_tree_model_get_path (treemodel, iter);
159 gtk_tree_model_get_value (treemodel, iter, *col, &value);
161 gtk_tree_path_free (path);
163 var = g_value_get_boxed (&value);
165 g_value_unset (&value);
167 g_object_set (cell, "text", var ? var_get_name (var) : "", NULL);
172 psppire_var_view_get_property (GObject *object,
177 PsppireVarView *var_view = PSPPIRE_VAR_VIEW (object);
182 g_value_set_int (value, var_view->n_cols);
185 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
191 set_renderers (PsppireVarView *var_view)
194 var_view->nums = g_malloc (sizeof *var_view->nums * var_view->n_cols);
196 for (c = 0 ; c < var_view->n_cols; ++c)
198 GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
199 GtkTreeViewColumn *col = gtk_tree_view_column_new ();
201 gchar *label = g_strdup_printf (_("Var%d"), c + 1);
203 gtk_tree_view_column_set_min_width (col, 100);
204 gtk_tree_view_column_set_sizing (col, GTK_TREE_VIEW_COLUMN_FIXED);
205 gtk_tree_view_column_set_resizable (col, TRUE);
206 gtk_tree_view_column_set_title (col, label);
210 var_view->nums[c] = c;
212 gtk_tree_view_column_pack_start (col, renderer, TRUE);
213 gtk_tree_view_column_set_cell_data_func (col, renderer,
214 display_cell_var_name,
215 &var_view->nums[c], 0);
217 gtk_tree_view_append_column (GTK_TREE_VIEW (var_view), col);
224 /* Set a model, which is an GtkListStore of gpointers which point to a variable */
226 psppire_var_view_push_model (PsppireVarView *vv)
230 vv->list = xrealloc (vv->list, sizeof (*vv->list) * vv->n_lists);
231 vv->list[vv->l_idx] = gtk_list_store_newv (vv->n_cols, vv->cols);
232 g_object_ref (vv->list[vv->l_idx]);
233 gtk_tree_view_set_model (GTK_TREE_VIEW (vv), GTK_TREE_MODEL (vv->list[vv->l_idx]));
237 psppire_var_view_set_current_model (PsppireVarView *vv, gint n)
239 if (n < 0 || n >= vv->n_lists)
244 gtk_tree_view_set_model (GTK_TREE_VIEW (vv), GTK_TREE_MODEL (vv->list[vv->l_idx]));
250 psppire_var_view_set_property (GObject *object,
255 PsppireVarView *var_view = PSPPIRE_VAR_VIEW (object);
262 var_view->n_cols = g_value_get_int (value);
264 var_view->cols = xrealloc (var_view->cols, sizeof (GType) * var_view->n_cols);
266 for (c = 0 ; c < var_view->n_cols; ++c)
267 var_view->cols[c] = PSPPIRE_VAR_PTR_TYPE;
269 set_renderers (var_view);
271 psppire_var_view_clear (var_view);
275 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
281 psppire_var_view_class_init (PsppireVarViewClass *class)
283 GObjectClass *object_class = G_OBJECT_CLASS (class);
285 GParamSpec *n_cols_spec =
286 g_param_spec_int ("n-cols",
288 "The Number of Columns in the Variable View",
291 G_PARAM_CONSTRUCT_ONLY | G_PARAM_READABLE | G_PARAM_WRITABLE);
294 object_class->set_property = psppire_var_view_set_property;
295 object_class->get_property = psppire_var_view_get_property;
297 g_object_class_install_property (object_class,
304 psppire_var_view_base_init (PsppireVarViewClass *class)
307 GObjectClass *object_class = G_OBJECT_CLASS (class);
311 object_class->finalize = psppire_var_view_finalize;
317 psppire_var_view_base_finalize (PsppireVarViewClass *class,
325 psppire_var_view_init (PsppireVarView *vv)
335 psppire_var_view_new (void)
337 return GTK_WIDGET (g_object_new (psppire_var_view_get_type (), NULL));
342 psppire_var_view_get_iter_first (PsppireVarView *vv, GtkTreeIter *iter)
348 return gtk_tree_model_get_iter_first (GTK_TREE_MODEL (vv->list[vv->l_idx]), iter ? iter : &dummy);
352 psppire_var_view_get_iter_next (PsppireVarView *vv, GtkTreeIter *iter)
357 return gtk_tree_model_iter_next (GTK_TREE_MODEL (vv->list[vv->l_idx]), iter);
360 const struct variable *
361 psppire_var_view_get_variable (PsppireVarView *vv, gint column, GtkTreeIter *iter)
363 const struct variable *var = NULL;
365 gtk_tree_model_get_value (GTK_TREE_MODEL (vv->list[vv->l_idx]), iter, column, &value);
367 if ( G_VALUE_TYPE (&value) == PSPPIRE_VAR_PTR_TYPE)
368 var = g_value_get_boxed (&value);
370 g_critical ("Unsupported type `%s', in variable name treeview.",
371 G_VALUE_TYPE_NAME (&value));
373 g_value_unset (&value);
379 Append the names of selected variables to STRING.
380 Returns the number of variables appended.
383 psppire_var_view_append_names (PsppireVarView *vv, gint column, GString *string)
388 if ( psppire_var_view_get_iter_first (vv, &iter) )
392 const struct variable *var = psppire_var_view_get_variable (vv, column, &iter);
393 g_string_append (string, " ");
394 g_string_append (string, var_get_name (var));
398 while (psppire_var_view_get_iter_next (vv, &iter));