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/* Dia -- an diagram creation/manipulation program
* Copyright (C) 1998, 1999 Alexander Larsson
*
* Custom Lines -- line shapes defined in XML rather than C.
* Based on the original Custom Objects plugin.
* Copyright (C) 1999 James Henstridge.
* Adapted for Custom Lines plugin by Marcel Toele.
* Modifications (C) 2007 Kern Automatiseringsdiensten BV.
*
* 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 <config.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <glib.h>
#include "sheet.h"
#include "line_info.h"
#include "dia_dirs.h"
#include "intl.h"
#include "plug-ins.h"
#include "custom_linetypes.h"
char* custom_lines_string_plus( char* lhs, char* mid, char* rhs );
G_MODULE_EXPORT gboolean custom_linefile_load(gchar *filename, LineInfo **info);
/* Cannot be static, because we may use this fn later when loading
a new shape via the sheets dialog */
G_MODULE_EXPORT gboolean custom_linefile_load(gchar *filename, LineInfo **info)
{
if (!filename)
return FALSE;
*info = line_info_load(filename);
/*g_assert(info);*/
if (!(*info)) {
return FALSE;
}
return TRUE;
}
char* custom_lines_string_plus( char* lhs, char* mid, char* rhs )
{
char* res = g_new0(char, strlen(lhs) + strlen(rhs) + strlen( mid ) + 1);
sprintf( res, "%s%s%s", lhs, mid, rhs );
return( res );
}
void custom_linetype_create_and_register( LineInfo* info )
{
DiaObjectType* otype = NULL;
if (info->type == CUSTOM_LINETYPE_ALL ) {
int i = 0;
for( i = 0; i < CUSTOM_LINETYPE_ALL; i++ )
{
LineInfo* cloned_info = line_info_clone( info );
cloned_info->type = i;
cloned_info->name = custom_lines_string_plus( info->name, " - ", custom_linetype_strings[i] );
if (cloned_info->icon_filename) {
/* split at the file extension */
char** chunks = g_strsplit( info->icon_filename, ".png", 0 );
char buf[20];
sprintf( buf, "_%s", custom_linetype_strings[i] );
cloned_info->icon_filename =
custom_lines_string_plus( chunks[0], buf, ".png" );
}
custom_linetype_new(cloned_info, &otype);
g_assert(otype);
g_assert(otype->default_user_data);
object_register_type(otype);
}
} else {
custom_linetype_new(info, &otype);
g_assert(otype);
g_assert(otype->default_user_data);
object_register_type(otype);
}
}
static void load_linefiles_from_tree(const gchar *directory)
{
GDir *dp;
const char *dentry;
dp = g_dir_open(directory, 0, NULL);
if (dp == NULL) {
return;
}
while ( (dentry = g_dir_read_name(dp)) ) {
gchar *filename = g_strconcat(directory, G_DIR_SEPARATOR_S,
dentry, NULL);
const gchar *p;
if (g_file_test(filename, G_FILE_TEST_IS_DIR)) {
load_linefiles_from_tree(filename);
g_free(filename);
continue;
}
/* if it's not a directory, then it must be a .line file */
if ( !g_file_test(filename, G_FILE_TEST_IS_REGULAR)
|| (strlen(dentry) < strlen( ".line" ))) {
g_free(filename);
continue;
}
p = dentry + strlen(dentry) - strlen( ".line" );
if (0==strcmp(".line",p)) {
LineInfo *info;
if (!custom_linefile_load(filename, &info)) {
g_warning("could not load line file %s",filename);
} else {
custom_linetype_create_and_register( info );
}
}
g_free(filename);
}
g_dir_close(dp);
}
DIA_PLUGIN_CHECK_INIT
PluginInitResult
dia_plugin_init(PluginInfo *info)
{
char *line_path;
const char *home_dir;
if (!dia_plugin_info_init(info, _("CustomLines"), _("Custom XML lines loader"),
NULL, NULL))
return DIA_PLUGIN_INIT_ERROR;
home_dir = g_get_home_dir();
if (home_dir) {
home_dir = dia_config_filename("lines");
load_linefiles_from_tree(home_dir);
g_free((char *)home_dir);
}
line_path = getenv("DIA_LINE_PATH");
if (line_path) {
char **dirs = g_strsplit(line_path, G_SEARCHPATH_SEPARATOR_S, 0);
int i;
for (i = 0; dirs[i] != NULL; i++)
load_linefiles_from_tree(dirs[i]);
g_strfreev(dirs);
} else {
char *thedir = dia_get_data_directory("lines");
load_linefiles_from_tree(thedir);
g_free(thedir);
}
return DIA_PLUGIN_INIT_OK;
}
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