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 <libpspp/str.h>
25 #include <data/variable.h>
28 #define _(msgid) gettext (msgid)
29 #define N_(msgid) msgid
31 static void psppire_var_view_base_finalize (PsppireVarViewClass *, gpointer);
32 static void psppire_var_view_base_init (PsppireVarViewClass *class);
33 static void psppire_var_view_class_init (PsppireVarViewClass *class);
34 static void psppire_var_view_init (PsppireVarView *var_view);
36 /* Returns TRUE iff VV contains the item V.
37 V must be an initialised value containing a
41 var_view_contains_var (PsppireSelectDestWidget *sdm, const GValue *v)
45 PsppireVarView *vv = PSPPIRE_VAR_VIEW (sdm);
46 g_return_val_if_fail (G_VALUE_HOLDS (v, PSPPIRE_VAR_PTR_TYPE), FALSE);
48 for (ok = psppire_var_view_get_iter_first (vv, &iter);
50 ok = psppire_var_view_get_iter_next (vv, &iter))
52 const struct variable *var = psppire_var_view_get_variable (vv, 0, &iter);
53 if (var == g_value_get_boxed (v))
61 model_init (PsppireSelectDestWidgetIface *iface)
63 iface->contains_var = var_view_contains_var;
67 psppire_var_view_get_type (void)
69 static GType psppire_var_view_type = 0;
71 if (!psppire_var_view_type)
73 static const GTypeInfo psppire_var_view_info =
75 sizeof (PsppireVarViewClass),
76 (GBaseInitFunc) psppire_var_view_base_init,
77 (GBaseFinalizeFunc) psppire_var_view_base_finalize,
78 (GClassInitFunc)psppire_var_view_class_init,
79 (GClassFinalizeFunc) NULL,
81 sizeof (PsppireVarView),
83 (GInstanceInitFunc) psppire_var_view_init,
86 static const GInterfaceInfo var_view_model_info = {
87 (GInterfaceInitFunc) model_init, /* Fill this in */
92 psppire_var_view_type =
93 g_type_register_static (GTK_TYPE_TREE_VIEW, "PsppireVarView",
94 &psppire_var_view_info, 0);
96 g_type_add_interface_static (psppire_var_view_type,
97 PSPPIRE_TYPE_SELECT_DEST_WIDGET,
98 &var_view_model_info);
101 return psppire_var_view_type;
105 psppire_var_view_clear (PsppireVarView *vv)
107 GtkListStore *l = gtk_list_store_newv (vv->n_cols, vv->cols);
109 gtk_tree_view_set_model (GTK_TREE_VIEW (vv), GTK_TREE_MODEL (l));
114 psppire_var_view_finalize (GObject *object)
116 PsppireVarView *var_view = PSPPIRE_VAR_VIEW (object);
117 g_free (var_view->nums);
118 g_free (var_view->cols);
130 /* A (*GtkTreeCellDataFunc) function.
131 This function expects TREEMODEL to hold PSPPIRE_VAR_PTR_TYPE.
132 It renders the name of the variable into CELL.
135 display_cell_var_name (GtkTreeViewColumn *tree_column,
136 GtkCellRenderer *cell,
137 GtkTreeModel *treemodel,
141 struct variable *var;
145 GtkTreePath *path = gtk_tree_model_get_path (treemodel, iter);
147 gtk_tree_model_get_value (treemodel, iter, *col, &value);
149 gtk_tree_path_free (path);
151 var = g_value_get_boxed (&value);
153 g_value_unset (&value);
155 g_object_set (cell, "text", var ? var_get_name (var) : "", NULL);
160 psppire_var_view_get_property (GObject *object,
165 PsppireVarView *var_view = PSPPIRE_VAR_VIEW (object);
170 g_value_set_int (value, var_view->n_cols);
173 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
179 set_renderers (PsppireVarView *var_view)
182 var_view->nums = g_malloc (sizeof *var_view->nums * var_view->n_cols);
184 for (c = 0 ; c < var_view->n_cols; ++c)
186 GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
187 GtkTreeViewColumn *col = gtk_tree_view_column_new ();
189 gchar *label = g_strdup_printf (_("Var%d"), c + 1);
191 gtk_tree_view_column_set_min_width (col, 100);
192 gtk_tree_view_column_set_sizing (col, GTK_TREE_VIEW_COLUMN_FIXED);
193 gtk_tree_view_column_set_resizable (col, TRUE);
194 gtk_tree_view_column_set_title (col, label);
198 var_view->nums[c] = c;
200 gtk_tree_view_column_pack_start (col, renderer, TRUE);
201 gtk_tree_view_column_set_cell_data_func (col, renderer,
202 display_cell_var_name,
203 &var_view->nums[c], 0);
205 gtk_tree_view_append_column (GTK_TREE_VIEW (var_view), col);
211 psppire_var_view_get_current_model (PsppireVarView *vv)
213 return gtk_tree_view_get_model (GTK_TREE_VIEW (vv));
217 psppire_var_view_set_property (GObject *object,
222 PsppireVarView *var_view = PSPPIRE_VAR_VIEW (object);
229 var_view->n_cols = g_value_get_int (value);
231 var_view->cols = xrealloc (var_view->cols, sizeof (GType) * var_view->n_cols);
233 for (c = 0 ; c < var_view->n_cols; ++c)
234 var_view->cols[c] = PSPPIRE_VAR_PTR_TYPE;
236 set_renderers (var_view);
238 psppire_var_view_clear (var_view);
242 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
248 psppire_var_view_class_init (PsppireVarViewClass *class)
250 GObjectClass *object_class = G_OBJECT_CLASS (class);
252 GParamSpec *n_cols_spec =
253 g_param_spec_int ("n-cols",
255 "The Number of Columns in the Variable View",
258 G_PARAM_CONSTRUCT_ONLY | G_PARAM_READABLE | G_PARAM_WRITABLE);
261 object_class->set_property = psppire_var_view_set_property;
262 object_class->get_property = psppire_var_view_get_property;
264 g_object_class_install_property (object_class,
271 psppire_var_view_base_init (PsppireVarViewClass *class)
274 GObjectClass *object_class = G_OBJECT_CLASS (class);
276 object_class->finalize = psppire_var_view_finalize;
282 psppire_var_view_base_finalize (PsppireVarViewClass *class,
290 psppire_var_view_init (PsppireVarView *vv)
297 psppire_var_view_new (void)
299 return GTK_WIDGET (g_object_new (psppire_var_view_get_type (), NULL));
304 psppire_var_view_get_iter_first (PsppireVarView *vv, GtkTreeIter *iter)
307 GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (vv));
308 return gtk_tree_model_get_iter_first (model, iter ? iter : &dummy);
312 psppire_var_view_get_iter_next (PsppireVarView *vv, GtkTreeIter *iter)
314 GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (vv));
315 return gtk_tree_model_iter_next (model, iter);
318 const struct variable *
319 psppire_var_view_get_var_from_model (GtkTreeModel *model, gint column, GtkTreeIter *iter)
321 const struct variable *var = NULL;
323 gtk_tree_model_get_value (model, iter, column, &value);
325 if ( G_VALUE_TYPE (&value) == PSPPIRE_VAR_PTR_TYPE)
326 var = g_value_get_boxed (&value);
328 g_critical ("Unsupported type `%s', in variable name treeview.",
329 G_VALUE_TYPE_NAME (&value));
331 g_value_unset (&value);
336 const struct variable *
337 psppire_var_view_get_variable (PsppireVarView *vv, gint column, GtkTreeIter *iter)
339 GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (vv));
340 return psppire_var_view_get_var_from_model (model, column, iter);
346 Append the names of selected variables to STRING.
347 Returns the number of variables appended.
350 psppire_var_view_append_names (PsppireVarView *vv, gint column, GString *string)
355 if ( psppire_var_view_get_iter_first (vv, &iter) )
359 const struct variable *var = psppire_var_view_get_variable (vv, column, &iter);
360 g_string_append (string, " ");
361 g_string_append (string, var_get_name (var));
365 while (psppire_var_view_get_iter_next (vv, &iter));
373 Append the names of selected variables to STR
374 Returns the number of variables appended.
377 psppire_var_view_append_names_str (PsppireVarView *vv, gint column, struct string *str)
382 if ( psppire_var_view_get_iter_first (vv, &iter) )
386 const struct variable *var = psppire_var_view_get_variable (vv, column, &iter);
387 ds_put_cstr (str, " ");
388 ds_put_cstr (str, var_get_name (var));
392 while (psppire_var_view_get_iter_next (vv, &iter));