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/*
* Copyright (C) 2010 - 2011 Vivien Malerba <malerba@gnome-db.org>
* Copyright (C) 2011 Murray Cumming <murrayc@murrayc.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <libgda-ui/libgda-ui.h>
#include <sql-parser/gda-sql-parser.h>
static GdaConnection *open_connection (void);
static GdaDataModel *get_customers (GdaConnection *cnc);
static GdaDataModel *get_salesrep (GdaConnection *cnc);
static void destroy (GtkWidget *widget, gpointer data)
{
gtk_main_quit ();
}
int
main (int argc, char *argv[])
{
gtk_init (&argc, &argv);
gdaui_init ();
/* open connection */
GdaConnection *cnc;
cnc = open_connection ();
/* create data models */
GdaDataModel *customers, *salesrep;
customers = get_customers (cnc);
salesrep = get_salesrep (cnc);
#ifdef WRITABLE
/* make the form writable:
* 1 - fetch meta data
* 2 - compute modification statements
*/
GError *error = NULL;
GdaMetaContext mcontext = {"_tables", 0, NULL, NULL};
if (!gda_connection_update_meta_store (cnc, &mcontext, &error)) {
g_print ("Can't get meta data: %s\n", error && error->message ? error->message : "No detail");
g_clear_error (&error);
}
if (! gda_data_select_compute_modification_statements (GDA_DATA_SELECT (customers), &error)) {
g_print ("Can't make form writable: %s\n", error && error->message ? error->message : "No detail");
g_clear_error (&error);
}
#endif
/* create UI */
GtkWidget *window, *vbox, *button, *form;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_signal_connect_swapped (window, "destroy",
G_CALLBACK (destroy),
window);
gtk_container_set_border_width (GTK_CONTAINER (window), 10);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
gtk_container_add (GTK_CONTAINER (window), vbox);
/* main form to list customers */
form = gdaui_form_new (customers);
gdaui_data_proxy_set_write_mode (GDAUI_DATA_PROXY (form), GDAUI_DATA_PROXY_WRITE_ON_VALUE_CHANGE);
gtk_box_pack_start (GTK_BOX (vbox), form, TRUE, TRUE, 0);
/* use a combo box to liste salesrep by their name and not ID */
GdaDataModelIter *iter;
GdaHolder *holder;
iter = gdaui_data_selector_get_data_set (GDAUI_DATA_SELECTOR (form));
holder = gda_data_model_iter_get_holder_for_field (iter, 2);
gda_holder_set_source_model (holder, salesrep, 0, NULL);
/* button to quit */
button = gtk_button_new_with_label ("Quit");
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
g_signal_connect_swapped (button, "clicked",
G_CALLBACK (gtk_widget_destroy),
window);
gtk_widget_show_all (window);
gtk_main ();
gda_connection_close (cnc);
g_object_unref (cnc);
return 0;
}
/*
* Open a connection to the example.db file
*/
static GdaConnection *
open_connection ()
{
GdaConnection *cnc;
GError *error = NULL;
GdaSqlParser *parser;
/* open connection */
cnc = gda_connection_open_from_dsn ("SalesTest", NULL,
GDA_CONNECTION_OPTIONS_NONE,
&error);
if (!cnc) {
g_print ("Could not open connection to SalesTest DSN: %s\n",
error && error->message ? error->message : "No detail");
exit (1);
}
/* create an SQL parser */
parser = gda_connection_create_parser (cnc);
if (!parser) /* @cnc does not provide its own parser => use default one */
parser = gda_sql_parser_new ();
/* attach the parser object to the connection */
g_object_set_data_full (G_OBJECT (cnc), "parser", parser, g_object_unref);
return cnc;
}
static GdaDataModel *
get_customers (GdaConnection *cnc)
{
GdaDataModel *data_model;
GdaSqlParser *parser;
GdaStatement *stmt;
gchar *sql = "SELECT id, name, default_served_by FROM customers ORDER BY name";
GError *error = NULL;
parser = g_object_get_data (G_OBJECT (cnc), "parser");
stmt = gda_sql_parser_parse_string (parser, sql, NULL, NULL);
data_model = gda_connection_statement_execute_select (cnc, stmt, NULL, &error);
g_object_unref (stmt);
if (!data_model)
g_error ("Could not get the contents of the 'products' table: %s\n",
error && error->message ? error->message : "No detail");
gda_data_model_dump (data_model, stdout);
return data_model;
}
static GdaDataModel *
get_salesrep (GdaConnection *cnc)
{
GdaDataModel *data_model;
GdaSqlParser *parser;
GdaStatement *stmt;
gchar *sql = "SELECT id, name FROM salesrep ORDER BY name";
GError *error = NULL;
parser = g_object_get_data (G_OBJECT (cnc), "parser");
stmt = gda_sql_parser_parse_string (parser, sql, NULL, NULL);
data_model = gda_connection_statement_execute_select (cnc, stmt, NULL, &error);
g_object_unref (stmt);
if (!data_model)
g_error ("Could not get the contents of the 'products' table: %s\n",
error && error->message ? error->message : "No detail");
gda_data_model_dump (data_model, stdout);
return data_model;
}
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