/*  gmysql -- a graphical frontend to MySQL databases
    Copyright (C) 1998 Stephen R. Dodd <steved@loth.demon.co.uk>

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include <gdk/gdkkeysyms.h>
#include "indexdlg.h"
#include "idxfielddlg.h"

static void index_dlg_done( GtkWidget *widget, gpointer data );
static void index_dlg_cancel( GtkWidget *widget, gpointer data );
static void index_dlg_destroyed( GtkWidget *widget, gpointer data );
static gint index_dlg_key_pressed( GtkWidget *widget, GdkEventKey *event );
static void field_add( GtkWidget *widget, gpointer data );

static IndexDlg *index_dlg_active;
static gint selected_field;

IndexDlg *index_dlg_new( CreateTableDlg *owner )
{
	IndexDlg *index_dlg;
	GtkWidget *table, *label, *entry, *button, *dialog, *hbox,
				 *vbox, *scrolled;
	static char *titles[] = { "Field" };

	index_dlg_active = index_dlg = g_new( IndexDlg, 1 );
	index_dlg->owner = owner;
	index_dlg->avail_fields = NULL;
	dialog = index_dlg->dialog = gtk_dialog_new();
	gtk_signal_connect( GTK_OBJECT( dialog ), "destroy",
		GTK_SIGNAL_FUNC( index_dlg_destroyed ), index_dlg );
	gtk_signal_connect( GTK_OBJECT( dialog ), "key_press_event",
		GTK_SIGNAL_FUNC( index_dlg_key_pressed ), NULL );

	table = gtk_table_new( 3, 2, FALSE );

	label = gtk_label_new( "Name" );
	gtk_label_set_justify( GTK_LABEL( label ), GTK_JUSTIFY_RIGHT );
	gtk_misc_set_alignment( GTK_MISC( label ), 1.0, 0.5 );
	entry = index_dlg->index = gtk_entry_new();
	gtk_table_attach( GTK_TABLE( table ), label, 0, 1, 0, 1, GTK_FILL, 0, 5, 5 );
	gtk_table_attach( GTK_TABLE( table ), entry, 1, 2, 0, 1, GTK_FILL|GTK_EXPAND, 0, 5, 5 );
	gtk_widget_show( label ); gtk_widget_show( entry );
	
	hbox = gtk_hbox_new( FALSE, 5 ); gtk_widget_show( hbox );
	
	entry = index_dlg->list = gtk_clist_new_with_titles( 1, titles );
	gtk_clist_column_titles_passive( GTK_CLIST( entry ) );
	gtk_widget_show( entry );
#if CONFIG_GTK_MAJOR==1 && CONFIG_GTK_MINOR==0
	gtk_clist_set_policy( GTK_CLIST( entry ), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
	gtk_box_pack_start( GTK_BOX( hbox ), entry, TRUE, TRUE, 5 );
#else /* not GTK 1.0 */

	/* create a scrolled window for the list */
	scrolled = gtk_scrolled_window_new( NULL, NULL );
	gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( scrolled ),
		GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
	gtk_container_add( GTK_CONTAINER( scrolled ), index_dlg->list );
	gtk_widget_show( scrolled );
	gtk_box_pack_start( GTK_BOX( hbox ), scrolled, TRUE, TRUE, 5 );
#endif /* GTK 1.0 */
	
	vbox = gtk_vbox_new( FALSE, 5 ); gtk_widget_show( vbox );
	entry = gtk_button_new_with_label( "Add" );
	gtk_signal_connect( GTK_OBJECT( entry ), "clicked", GTK_SIGNAL_FUNC( field_add ),
		index_dlg );
	gtk_box_pack_start( GTK_BOX( vbox ), entry, FALSE, FALSE, 5 );
	gtk_widget_show( entry );
	entry = gtk_button_new_with_label( "Remove" );
	gtk_box_pack_start( GTK_BOX( vbox ), entry, FALSE, FALSE, 5 );
	gtk_widget_show( entry );
	gtk_box_pack_end( GTK_BOX( hbox ), vbox, FALSE, FALSE, 5 );
	gtk_table_attach( GTK_TABLE( table ), hbox, 0, 2, 1, 2, GTK_FILL|GTK_EXPAND, GTK_FILL|GTK_EXPAND, 5, 5 );

	entry = index_dlg->unique = gtk_check_button_new_with_label( "Allow duplicates" );
	gtk_table_attach( GTK_TABLE( table ), entry, 0, 2, 2, 3, GTK_FILL|GTK_EXPAND, 0, 5, 5 );
	gtk_widget_show( entry );

	gtk_box_pack_start( GTK_BOX( GTK_DIALOG( dialog )->vbox ), table, TRUE, TRUE, 0 );
	gtk_widget_show( table );
	gtk_widget_grab_focus( index_dlg->index );	/* must come after table is shown? */

	gtk_box_set_homogeneous( GTK_BOX( GTK_DIALOG( dialog )->action_area ), FALSE );
	button = gtk_button_new_with_label( "Cancel" );
	gtk_signal_connect( GTK_OBJECT( button ), "clicked",
		GTK_SIGNAL_FUNC( index_dlg_cancel ), index_dlg );
	GTK_WIDGET_SET_FLAGS( button, GTK_CAN_DEFAULT );
	gtk_box_pack_end( GTK_BOX( GTK_DIALOG( dialog )->action_area ), button, FALSE, FALSE, 0 );
	gtk_widget_show( button );

	button = gtk_button_new_with_label( "Create" );
	gtk_signal_connect( GTK_OBJECT( button ), "clicked",
		GTK_SIGNAL_FUNC( index_dlg_done ), index_dlg );
	GTK_WIDGET_SET_FLAGS( button, GTK_CAN_DEFAULT );
	gtk_box_pack_end( GTK_BOX( GTK_DIALOG( dialog )->action_area ), button, FALSE, FALSE, 0 );
	gtk_widget_grab_default( button );	/* must do after packing but before showing */
	gtk_widget_show( button );
#if !(CONFIG_GTK_MAJOR==1 && CONFIG_GTK_MINOR==0)
	gtk_window_set_modal( GTK_WINDOW( dialog ), TRUE );
#endif /* not GTK 1.0 */

	return index_dlg;
}

void index_dlg_show( IndexDlg *index_dlg )
{
	gtk_widget_show( index_dlg->dialog );
}

void index_dlg_done( GtkWidget *widget, gpointer data )
{
	IndexDlg *index_dlg;
	gchar *name, *field;
	GSList *fields = NULL;
	int i;

	index_dlg = INDEX_DLG(data);
	g_assert( index_dlg );

	gtk_widget_hide( index_dlg->dialog );
	while( gtk_events_pending()) gtk_main_iteration();
	
	name = gtk_entry_get_text( GTK_ENTRY( index_dlg->index ) );
	for( i = 0; i < GTK_CLIST( index_dlg->list )->rows; i++ ) {
		gtk_clist_get_text( GTK_CLIST( index_dlg->list ), i, 0, &field );
		if( !fields )
			fields = g_slist_append( NULL, g_strdup( field ) );
		else
			g_slist_append( fields, g_strdup( field ) );
	}
	create_table_dlg_add_index( index_dlg->owner, name, fields,
		!GTK_TOGGLE_BUTTON( index_dlg->unique )->active, TRUE );
	g_slist_foreach( fields, (GFunc)g_free, NULL );
	g_slist_free( fields );

	gtk_widget_destroy( index_dlg->dialog );
	
}

void index_dlg_cancel( GtkWidget *widget, gpointer data )
{
	IndexDlg *index_dlg;

	index_dlg = INDEX_DLG(data);
	gtk_widget_destroy( index_dlg->dialog );
}

gint index_dlg_key_pressed( GtkWidget *widget, GdkEventKey *event )
{
	if( event->keyval == GDK_Escape )
		gtk_widget_destroy( widget );

	return FALSE;
}

void index_dlg_destroyed( GtkWidget *widget, gpointer data )
{
	IndexDlg *index_dlg;

	index_dlg = INDEX_DLG( data );

	if( index_dlg->avail_fields )
		g_slist_foreach( index_dlg->avail_fields, (GFunc)g_free, NULL );
	g_slist_free( index_dlg->avail_fields );
	
	g_free( data );
}

void index_dlg_add_field( IndexDlg *index_dlg, gchar *field )
{
	gtk_clist_append( GTK_CLIST( index_dlg->list ), &field );
}

void index_dlg_add_avail_field( IndexDlg *index_dlg, gchar *field )
{
	if( !index_dlg->avail_fields )
		index_dlg->avail_fields = g_slist_append( NULL, g_strdup( field ) );
	else
		g_slist_append( index_dlg->avail_fields, g_strdup( field ) );
}

void idx_field_add( gpointer data, gpointer user_data )
{
	gchar *field;
	IdxFieldDlg *idx_field_dlg;

	idx_field_dlg = IDX_FIELD_DLG( user_data );
	field = (gchar *)data;
	idx_field_dlg_add_field( idx_field_dlg, field );
}

void field_add( GtkWidget *widget, gpointer data )
{
	IndexDlg *index_dlg;
	IdxFieldDlg *idx_field_dlg;

	index_dlg = INDEX_DLG( data );
	idx_field_dlg = idx_field_dlg_new( index_dlg );
	g_slist_foreach( index_dlg->avail_fields, idx_field_add, idx_field_dlg );
	idx_field_dlg_show( idx_field_dlg );
}

void set_member_remove( GtkWidget *widget, gpointer data )
{
	IndexDlg *index_dlg;

	index_dlg = INDEX_DLG( data );
	gtk_clist_remove( GTK_CLIST( index_dlg->list ), selected_field );
}