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Some spelling fixes in a comment
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1 /*
2  * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
3  *
4  * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  *
20  */
21
22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25
26 #include <gtk/gtk.h>
27 #include <glib/gi18n.h>
28
29 #include "vikfileentry.h"
30
31 static void choose_file ( VikFileEntry *vfe );
32
33 struct _VikFileEntry {
34   GtkHBox parent;
35   GtkWidget *entry, *button;
36   GtkWidget *file_selector;
37   GtkFileChooserAction action;
38   gint filter_type;
39   VikFileEntryFunc on_finish;
40   gpointer user_data;
41 };
42
43 GType vik_file_entry_get_type (void)
44 {
45   static GType vs_type = 0;
46
47   if (!vs_type)
48   {
49     static const GTypeInfo vs_info = 
50     {
51       sizeof (VikFileEntryClass),
52       NULL, /* base_init */
53       NULL, /* base_finalize */
54       NULL, /* class init */
55       NULL, /* class_finalize */
56       NULL, /* class_data */
57       sizeof (VikFileEntry),
58       0,
59       NULL /* instance init */
60     };
61     vs_type = g_type_register_static ( GTK_TYPE_HBOX, "VikFileEntry", &vs_info, 0 );
62   }
63
64   return vs_type;
65 }
66
67 /**
68  * Create a file entry with an optional file filter and an optional callback on completion
69  */
70 GtkWidget *vik_file_entry_new (GtkFileChooserAction action, vf_filter_type filter_type, VikFileEntryFunc cb, gpointer user_data )
71 {
72   VikFileEntry *vfe = VIK_FILE_ENTRY ( g_object_new ( VIK_FILE_ENTRY_TYPE, NULL ) );
73   vfe->entry = gtk_entry_new ();
74   vfe->button = gtk_button_new_with_label ( _("Browse...") );
75   vfe->action = action;
76   vfe->on_finish = cb;
77   vfe->user_data = user_data;
78   g_signal_connect_swapped ( G_OBJECT(vfe->button), "clicked", G_CALLBACK(choose_file), vfe );
79
80   gtk_box_pack_start ( GTK_BOX(vfe), vfe->entry, TRUE, TRUE, 3 );
81   gtk_box_pack_start ( GTK_BOX(vfe), vfe->button, FALSE, FALSE, 3 );
82
83   vfe->file_selector = NULL;
84   vfe->filter_type = filter_type;
85
86   return GTK_WIDGET(vfe);
87 }
88
89 const gchar *vik_file_entry_get_filename ( VikFileEntry *vfe )
90 {
91   return gtk_entry_get_text ( GTK_ENTRY(vfe->entry) );
92 }
93
94 void vik_file_entry_set_filename ( VikFileEntry *vfe, const gchar *filename )
95 {
96   gtk_entry_set_text ( GTK_ENTRY(vfe->entry), filename );
97 }
98
99 static void choose_file ( VikFileEntry *vfe )
100 {
101   if ( ! vfe->file_selector )
102   {
103     GtkWidget *win = gtk_widget_get_toplevel(GTK_WIDGET(vfe));
104     g_assert ( win );
105     vfe->file_selector = gtk_file_chooser_dialog_new (_("Choose file"),
106                                       GTK_WINDOW(win),
107                                       vfe->action,   /* open file or directory */
108                                       GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
109                                       GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
110                                       NULL);
111     gtk_window_set_transient_for ( GTK_WINDOW(vfe->file_selector), GTK_WINDOW(win) );
112     gtk_window_set_destroy_with_parent ( GTK_WINDOW(vfe->file_selector), TRUE );
113
114     switch ( vfe->filter_type ) {
115       case VF_FILTER_IMAGE: {
116         GtkFileFilter *filter = gtk_file_filter_new ();
117         gtk_file_filter_set_name ( filter, _("JPG") );
118         gtk_file_filter_add_mime_type ( filter, "image/jpeg");
119         gtk_file_chooser_add_filter ( GTK_FILE_CHOOSER(vfe->file_selector), filter );
120
121         filter = gtk_file_filter_new ();
122         gtk_file_filter_set_name ( filter, _("PNG") );
123         gtk_file_filter_add_mime_type ( filter, "image/png");
124         gtk_file_chooser_add_filter ( GTK_FILE_CHOOSER(vfe->file_selector), filter );
125
126         filter = gtk_file_filter_new ();
127         gtk_file_filter_set_name ( filter, _("TIFF") );
128         gtk_file_filter_add_mime_type ( filter, "image/tiff");
129         gtk_file_chooser_add_filter ( GTK_FILE_CHOOSER(vfe->file_selector), filter );
130
131         break;
132       }
133       case VF_FILTER_MBTILES: {
134         GtkFileFilter *filter = gtk_file_filter_new ();
135         gtk_file_filter_set_name ( filter, _("MBTiles") );
136         gtk_file_filter_add_pattern ( filter, "*.sqlite" );
137         gtk_file_filter_add_pattern ( filter, "*.mbtiles" );
138         gtk_file_filter_add_pattern ( filter, "*.db3" );
139         gtk_file_chooser_add_filter ( GTK_FILE_CHOOSER(vfe->file_selector), filter );
140         break;
141       }
142       case VF_FILTER_XML: {
143         GtkFileFilter *filter = gtk_file_filter_new ();
144         gtk_file_filter_set_name ( filter, _("XML") );
145         gtk_file_filter_add_pattern ( filter, "*.xml" );
146         gtk_file_chooser_add_filter ( GTK_FILE_CHOOSER(vfe->file_selector), filter );
147         break;
148       }
149       case VF_FILTER_CARTO: {
150         GtkFileFilter *filter = gtk_file_filter_new ();
151         gtk_file_filter_set_name ( filter, _("MML") );
152         gtk_file_filter_add_pattern ( filter, "*.mml" );
153         gtk_file_chooser_add_filter ( GTK_FILE_CHOOSER(vfe->file_selector), filter );
154
155         filter = gtk_file_filter_new ();
156         gtk_file_filter_set_name ( filter, _("MSS") );
157         gtk_file_filter_add_pattern ( filter, "*.mss" );
158         gtk_file_chooser_add_filter ( GTK_FILE_CHOOSER(vfe->file_selector), filter );
159         break;
160       }
161       default: break;
162     }
163     if ( vfe->filter_type ) {
164       // Always have an catch all filter at the end
165       GtkFileFilter *filter = gtk_file_filter_new ();
166       gtk_file_filter_set_name( filter, _("All") );
167       gtk_file_filter_add_pattern ( filter, "*" );
168       gtk_file_chooser_add_filter (GTK_FILE_CHOOSER(vfe->file_selector), filter);
169     }
170   }
171
172   if ( gtk_dialog_run ( GTK_DIALOG(vfe->file_selector) ) == GTK_RESPONSE_ACCEPT ) {
173     gtk_entry_set_text ( GTK_ENTRY (vfe->entry), gtk_file_chooser_get_filename ( GTK_FILE_CHOOSER(vfe->file_selector) ) );
174     // Ideally this should only be called if the entry has changed, but ATM it's any time OK is selected.
175     if ( vfe->on_finish )
176       vfe->on_finish(vfe, vfe->user_data);
177   }
178   gtk_widget_hide ( vfe->file_selector );
179 }