src/ui/gui/psppire-dialog-action-flip.c

   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 *
  37 generate_syntax (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
  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
  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 void
  93 psppire_dialog_action_flip_activate (PsppireDialogAction *a)
  94 {
  95   PsppireDialogAction *pda = PSPPIRE_DIALOG_ACTION (a);
  96   PsppireDialogActionFlip *act = PSPPIRE_DIALOG_ACTION_FLIP (a);
  97
  98   GHashTable *thing = psppire_dialog_action_get_hash_table (pda);
  99   GtkBuilder *xml = g_hash_table_lookup (thing, a);
 100   if (!xml)
 101     {
 102       xml = builder_new ("transpose.ui");
 103       g_hash_table_insert (thing, a, xml);
 104     }
 105
 106   pda->dialog = get_widget_assert   (xml, "transpose-dialog");
 107   pda->source = get_widget_assert   (xml, "source-treeview");
 108
 109   act->dest = get_widget_assert (xml, "variables-treeview");
 110   act->entry = get_widget_assert (xml, "new-name-entry");
 111
 112   psppire_dialog_action_set_valid_predicate (pda, dialog_state_valid);
 113   psppire_dialog_action_set_refresh (pda, refresh);
 114
 115   if (PSPPIRE_DIALOG_ACTION_CLASS (psppire_dialog_action_flip_parent_class)->activate)
 116     PSPPIRE_DIALOG_ACTION_CLASS (psppire_dialog_action_flip_parent_class)->activate (pda);
 117 }
 118
 119 static void
 120 psppire_dialog_action_flip_class_init (PsppireDialogActionFlipClass *class)
 121 {
 122   psppire_dialog_action_set_activation (class, psppire_dialog_action_flip_activate);
 123   PSPPIRE_DIALOG_ACTION_CLASS (class)->generate_syntax = generate_syntax;
 124 }
 125
 126
 127 static void
 128 psppire_dialog_action_flip_init (PsppireDialogActionFlip *act)
 129 {
 130 }
 131