1 /* PSPPIRE - a graphical user interface for PSPP.
2    Copyright (C) 2013  Free Software Foundation
3 
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.
8 
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.
13 
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/>. */
16 
17 
18 #include <config.h>
19 
20 #include "psppire-dialog-action-flip.h"
21 
22 #include "psppire-var-view.h"
23 
24 #include "psppire-dialog.h"
25 #include "builder-wrapper.h"
26 
27 static void psppire_dialog_action_flip_init            (PsppireDialogActionFlip      *act);
28 static void psppire_dialog_action_flip_class_init      (PsppireDialogActionFlipClass *class);
29 
30 G_DEFINE_TYPE (PsppireDialogActionFlip, psppire_dialog_action_flip, PSPPIRE_TYPE_DIALOG_ACTION);
31 
32 
33 /*
34      FLIP /VARIABLES=var_list /NEWNAMES=var_name.
35 */
36 static char *
generate_syntax(const PsppireDialogAction * act)37 generate_syntax (const PsppireDialogAction *act)
38 {
39   const gchar *text;
40   PsppireDialogActionFlip *rd = PSPPIRE_DIALOG_ACTION_FLIP (act);
41 
42   GString *string = g_string_new ("FLIP");
43   gchar *syntax ;
44 
45   g_string_append (string, " /VARIABLES = ");
46 
47   psppire_var_view_append_names (PSPPIRE_VAR_VIEW (rd->dest), 0, string);
48 
49   text = gtk_entry_get_text (GTK_ENTRY (rd->entry));
50 
51   if (text)
52     g_string_append_printf (string, " /NEWNAME = %s", text);
53 
54   g_string_append (string, ".\n");
55 
56   syntax = string->str;
57 
58   g_string_free (string, FALSE);
59 
60   return syntax;
61 }
62 
63 
64 static gboolean
dialog_state_valid(gpointer a)65 dialog_state_valid (gpointer a)
66 {
67   PsppireDialogActionFlip *act = PSPPIRE_DIALOG_ACTION_FLIP (a);
68 
69   GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (act->dest));
70 
71   gint n_rows = gtk_tree_model_iter_n_children  (model, NULL);
72 
73   if (n_rows == 0)
74     return FALSE;
75 
76   if (0 == strcmp ("", gtk_entry_get_text (GTK_ENTRY (act->entry))))
77     return FALSE;
78 
79   return TRUE;
80 }
81 
82 static void
refresh(PsppireDialogAction * rd_)83 refresh (PsppireDialogAction *rd_)
84 {
85   PsppireDialogActionFlip *rd = PSPPIRE_DIALOG_ACTION_FLIP (rd_);
86   GtkTreeModel *dmodel = gtk_tree_view_get_model (GTK_TREE_VIEW (rd->dest));
87 
88   gtk_list_store_clear (GTK_LIST_STORE (dmodel));
89   gtk_entry_set_text (GTK_ENTRY (rd->entry), "");
90 }
91 
92 static GtkBuilder *
psppire_dialog_action_flip_activate(PsppireDialogAction * a,GVariant * param)93 psppire_dialog_action_flip_activate (PsppireDialogAction *a, GVariant *param)
94 {
95   PsppireDialogAction *pda = PSPPIRE_DIALOG_ACTION (a);
96   PsppireDialogActionFlip *act = PSPPIRE_DIALOG_ACTION_FLIP (a);
97 
98   GtkBuilder *xml = builder_new ("transpose.ui");
99 
100   pda->dialog = get_widget_assert   (xml, "transpose-dialog");
101   pda->source = get_widget_assert   (xml, "source-treeview");
102 
103   act->dest = get_widget_assert (xml, "variables-treeview");
104   act->entry = get_widget_assert (xml, "new-name-entry");
105 
106   psppire_dialog_action_set_valid_predicate (pda, dialog_state_valid);
107   psppire_dialog_action_set_refresh (pda, refresh);
108 
109   return xml;
110 }
111 
112 static void
psppire_dialog_action_flip_class_init(PsppireDialogActionFlipClass * class)113 psppire_dialog_action_flip_class_init (PsppireDialogActionFlipClass *class)
114 {
115   PSPPIRE_DIALOG_ACTION_CLASS (class)->initial_activate = psppire_dialog_action_flip_activate;
116   PSPPIRE_DIALOG_ACTION_CLASS (class)->generate_syntax = generate_syntax;
117 }
118 
119 
120 static void
psppire_dialog_action_flip_init(PsppireDialogActionFlip * act)121 psppire_dialog_action_flip_init (PsppireDialogActionFlip *act)
122 {
123 }
124 
125