a97421f7ea0bbfeddb40f307ae7ea118df76381e
[pspp] / src / ui / gui / psppire-dialog-action.c
1 /* PSPPIRE - a graphical user interface for PSPP.
2    Copyright (C) 2012  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.h"
21 #include "psppire-dialog.h"
22 #include "executor.h"
23 #include "helper.h"
24 #include "psppire-data-window.h"
25
26 static void psppire_dialog_action_init            (PsppireDialogAction      *act);
27 static void psppire_dialog_action_class_init      (PsppireDialogActionClass *class);
28
29 G_DEFINE_ABSTRACT_TYPE (PsppireDialogAction, psppire_dialog_action, GTK_TYPE_ACTION);
30
31 /* Properties */
32 enum
33 {
34   PROP_0,
35   PROP_MANAGER,
36   PROP_TOPLEVEL,
37 };
38
39 static void
40 psppire_dialog_action_set_property (GObject         *object,
41                                guint            prop_id,
42                                const GValue    *value,
43                                GParamSpec      *pspec)
44 {
45   PsppireDialogAction *act = PSPPIRE_DIALOG_ACTION (object);
46
47   switch (prop_id)
48     {
49     case PROP_MANAGER:
50       {
51
52         GObject *p = g_value_get_object (value);
53         act->uim = GTK_UI_MANAGER (p);
54       }
55       break;
56     default:
57       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
58       break;
59     };
60 }
61
62
63 static void
64 psppire_dialog_action_get_property (GObject    *object,
65                                guint            prop_id,
66                                GValue          *value,
67                                GParamSpec      *pspec)
68 {
69   PsppireDialogAction *dialog_action = PSPPIRE_DIALOG_ACTION (object);
70
71   switch (prop_id)
72     {
73     case PROP_MANAGER:
74       g_value_take_object (value, dialog_action->uim);
75       break;
76   case PROP_TOPLEVEL:
77       g_value_take_object (value, dialog_action->toplevel);
78       break;
79     default:
80       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
81       break;
82     };
83 }
84
85
86 static void
87 set_toplevel (PsppireDialogAction *act)
88 {
89   if (act->toplevel)
90     return;
91
92   GSList *sl = gtk_ui_manager_get_toplevels (act->uim, GTK_UI_MANAGER_MENUBAR | GTK_UI_MANAGER_TOOLBAR);
93   g_return_if_fail (sl);
94   
95   act->toplevel = gtk_widget_get_toplevel (GTK_WIDGET (sl->data));
96   g_slist_free (sl);
97 }
98
99 static void
100 on_destroy_dataset (GObject *w)
101 {
102   GHashTable *t = g_object_get_data (w, "thing-table");
103   GSList *dl = g_object_get_data (w, "widget-list");
104   
105   g_slist_free_full (dl, (GDestroyNotify) gtk_widget_destroy);
106   g_hash_table_unref (t);
107 }
108
109 GHashTable *
110 psppire_dialog_action_get_pointer (PsppireDialogAction *act)
111 {
112   set_toplevel (act);
113   
114   GHashTable *thing = g_object_get_data (G_OBJECT (act->toplevel), "thing-table");
115   if (thing == NULL)
116     {
117       thing = g_hash_table_new_full (g_direct_hash, g_direct_equal, 0, g_object_unref);
118       g_object_set_data (G_OBJECT (act->toplevel), "thing-table", thing);
119       g_object_set_data (G_OBJECT (act->toplevel), "widget-list", NULL);
120       g_signal_connect (act->toplevel, "destroy", G_CALLBACK (on_destroy_dataset), NULL);
121     }
122
123   return thing;
124 }
125
126 static void
127 psppire_dialog_action_activate (PsppireDialogAction *act)
128 {
129   gint response;
130
131   PsppireDialogActionClass *class = PSPPIRE_DIALOG_ACTION_GET_CLASS (act);
132
133   gboolean first_time = ! act->toplevel;
134
135   set_toplevel (act);
136
137   act->dict = PSPPIRE_DATA_WINDOW(act->toplevel)->dict;
138   
139   g_object_set (act->source, "model", act->dict, NULL);
140
141   GSList *wl = g_object_get_data (G_OBJECT (act->toplevel), "widget-list");
142   wl = g_slist_prepend (wl, act->dialog);
143   g_object_set_data (G_OBJECT (act->toplevel), "widget-list", wl);
144
145   gtk_window_set_transient_for (GTK_WINDOW (act->dialog), GTK_WINDOW (act->toplevel));
146
147   if (GTK_ACTION_CLASS (psppire_dialog_action_parent_class)->activate)
148     GTK_ACTION_CLASS (psppire_dialog_action_parent_class)->activate ( GTK_ACTION (act));
149
150   gtk_widget_grab_focus (act->source);
151
152   if (first_time)
153     psppire_dialog_reload (PSPPIRE_DIALOG (act->dialog));
154
155   response = psppire_dialog_run (PSPPIRE_DIALOG (act->dialog));
156
157   if ( class->generate_syntax )
158     {
159       switch (response)
160         {
161         case GTK_RESPONSE_OK:
162           g_free (execute_syntax_string (PSPPIRE_DATA_WINDOW (act->toplevel),
163                                          class->generate_syntax (act)));
164           break;
165         case PSPPIRE_RESPONSE_PASTE:
166           g_free (paste_syntax_to_window (class->generate_syntax (act)));
167           break;
168         default:
169           break;
170         }
171     }
172 }
173
174 static void
175 psppire_dialog_action_class_init (PsppireDialogActionClass *class)
176 {
177   GObjectClass *object_class = G_OBJECT_CLASS (class);
178
179   GParamSpec *manager_spec =
180     g_param_spec_object ("manager",
181                          "Manager",
182                          "The GtkUIManager which created this object",
183                          GTK_TYPE_UI_MANAGER,
184                          G_PARAM_READWRITE);
185
186   GParamSpec *toplevel_spec =
187     g_param_spec_object ("top-level",
188                          "Top Level",
189                          "The top level widget to which this dialog action belongs",
190                          GTK_TYPE_WINDOW,
191                          G_PARAM_READABLE);
192
193   object_class->set_property = psppire_dialog_action_set_property;
194   object_class->get_property = psppire_dialog_action_get_property;
195
196   class->generate_syntax = NULL;
197
198   class->activate = psppire_dialog_action_activate;
199
200   g_object_class_install_property (object_class,
201                                    PROP_MANAGER,
202                                    manager_spec);
203
204   g_object_class_install_property (object_class,
205                                    PROP_TOPLEVEL,
206                                    toplevel_spec);
207 }
208
209
210 static void
211 psppire_dialog_action_init (PsppireDialogAction *act)
212 {
213   act->toplevel = NULL;
214   act->dict = NULL;
215 }
216
217
218 void
219 psppire_dialog_action_set_valid_predicate (PsppireDialogAction *act, 
220                                            ContentsAreValid dialog_state_valid)
221 {
222   psppire_dialog_set_valid_predicate (PSPPIRE_DIALOG (act->dialog),
223                                       dialog_state_valid, act);
224 }
225
226 void
227 psppire_dialog_action_set_refresh (PsppireDialogAction *pda, 
228                                    PsppireDialogActionRefresh refresh)
229 {
230   g_signal_connect_swapped (pda->dialog, "refresh", G_CALLBACK (refresh),  pda);
231 }
232
233
234 void 
235 psppire_dialog_action_set_activation (gpointer class, activation activate)
236 {
237   GTK_ACTION_CLASS (class)->activate = activate;
238 }
239