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Copy pathshp2pgsql-gui.c
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shp2pgsql-gui.c
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/**********************************************************************
* $Id$
*
* PostGIS - Spatial Types for PostgreSQL
* http://postgis.refractions.net
* Copyright 2008 OpenGeo.org
* Copyright 2010 LISAsoft
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU General Public Licence. See the COPYING file.
*
* Maintainer: Paul Ramsey <pramsey@opengeo.org>
* Mark Leslie <mark.leslie@lisasoft.com>
*
**********************************************************************/
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <sys/stat.h>
#include "libpq-fe.h"
#include "shp2pgsql-core.h"
#include "pgsql2shp-core.h"
#include "../liblwgeom/liblwgeom.h" /* for lw_vasprintf */
#define GUI_RCSID "shp2pgsql-gui $Revision$"
#define SHAPEFIELDMAXWIDTH 60
static void pgui_log_va(const char *fmt, va_list ap);
static void pgui_seterr_va(const char *fmt, va_list ap);
/*
** Global variables for GUI only
*/
/* Main window */
static GtkWidget *window_main = NULL;
static GtkWidget *textview_log = NULL;
static GtkWidget *add_file_button = NULL;
static GtkTextBuffer *textbuffer_log = NULL;
/* Main window (listview) */
GtkListStore *list_store;
GtkWidget *tree;
GtkCellRenderer *filename_renderer;
GtkCellRenderer *schema_renderer;
GtkCellRenderer *table_renderer;
GtkCellRenderer *geom_column_renderer;
GtkCellRenderer *srid_renderer;
GtkCellRenderer *mode_renderer;
GtkCellRenderer *remove_renderer;
GtkTreeViewColumn *filename_column;
GtkTreeViewColumn *schema_column;
GtkTreeViewColumn *table_column;
GtkTreeViewColumn *geom_column;
GtkTreeViewColumn *srid_column;
GtkTreeViewColumn *mode_column;
GtkTreeViewColumn *remove_column;
GtkWidget *mode_combo = NULL;
GtkListStore *combo_list;
/* PostgreSQL database connection window */
static GtkWidget *window_conn = NULL;
static GtkWidget *entry_pg_user = NULL;
static GtkWidget *entry_pg_pass = NULL;
static GtkWidget *entry_pg_host = NULL;
static GtkWidget *entry_pg_port = NULL;
static GtkWidget *entry_pg_db = NULL;
/* Options window */
static GtkWidget *dialog_options = NULL;
static GtkWidget *entry_options_encoding = NULL;
static GtkWidget *checkbutton_options_preservecase = NULL;
static GtkWidget *checkbutton_options_forceint = NULL;
static GtkWidget *checkbutton_options_autoindex = NULL;
static GtkWidget *checkbutton_options_dbfonly = NULL;
static GtkWidget *checkbutton_options_dumpformat = NULL;
static GtkWidget *checkbutton_options_geography = NULL;
/* About dialog */
static GtkWidget *dialog_about = NULL;
/* File chooser */
static GtkWidget *dialog_filechooser = NULL;
/* Progress dialog */
static GtkWidget *dialog_progress = NULL;
static GtkWidget *progress = NULL;
static GtkWidget *label_progress = NULL;
/* Other items */
static int valid_connection = 0;
/* Constants for the list view etc. */
enum
{
POINTER_COLUMN,
FILENAME_COLUMN,
SCHEMA_COLUMN,
TABLE_COLUMN,
GEOMETRY_COLUMN,
SRID_COLUMN,
MODE_COLUMN,
REMOVE_COLUMN,
N_COLUMNS
};
enum
{
COMBO_TEXT,
COMBO_OPTION_CHAR,
COMBO_COLUMNS
};
enum
{
CREATE_MODE,
APPEND_MODE,
DELETE_MODE,
PREPARE_MODE
};
/* Other */
static char *pgui_errmsg = NULL;
static PGconn *pg_connection = NULL;
static SHPLOADERSTATE *state = NULL;
static SHPCONNECTIONCONFIG *conn = NULL;
static SHPLOADERCONFIG *global_loader_config = NULL;
static volatile int import_running = FALSE;
/* Local prototypes */
static void pgui_sanitize_connection_string(char *connection_string);
/*
** Write a message to the Import Log text area.
*/
void
pgui_log_va(const char *fmt, va_list ap)
{
char *msg;
GtkTextIter iter;
if (!lw_vasprintf (&msg, fmt, ap)) return;
/* Append text to the end of the text area, scrolling if required to make it visible */
gtk_text_buffer_get_end_iter(textbuffer_log, &iter);
gtk_text_buffer_insert(textbuffer_log, &iter, msg, -1);
gtk_text_buffer_insert(textbuffer_log, &iter, "\n", -1);
gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview_log), &iter, 0.0, TRUE, 0.0, 1.0);
/* Allow GTK to process events */
while (gtk_events_pending())
gtk_main_iteration();
free(msg);
return;
}
/*
** Write a message to the Import Log text area.
*/
static void
pgui_logf(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
pgui_log_va(fmt, ap);
va_end(ap);
return;
}
/* Write an error message */
void
pgui_seterr_va(const char *fmt, va_list ap)
{
/* Free any existing message */
if (pgui_errmsg)
free(pgui_errmsg);
if (!lw_vasprintf (&pgui_errmsg, fmt, ap)) return;
}
static void
pgui_seterr(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
pgui_seterr_va(fmt, ap);
va_end(ap);
return;
}
static void
pgui_raise_error_dialogue(void)
{
GtkWidget *dialog, *label;
gint result;
label = gtk_label_new(pgui_errmsg);
dialog = gtk_dialog_new_with_buttons(_("Error"), GTK_WINDOW(window_main),
GTK_DIALOG_MODAL & GTK_DIALOG_NO_SEPARATOR & GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_STOCK_OK, GTK_RESPONSE_OK, NULL);
gtk_dialog_set_has_separator(GTK_DIALOG(dialog), FALSE );
gtk_container_set_border_width(GTK_CONTAINER(dialog), 5);
gtk_container_set_border_width(GTK_CONTAINER (GTK_DIALOG(dialog)->vbox), 15);
gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), label);
gtk_widget_show_all(dialog);
result = gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
return;
}
/*
** Run a SQL command against the current connection.
*/
static int
pgui_exec(const char *sql)
{
PGresult *res = NULL;
ExecStatusType status;
char sql_trunc[256];
/* We need a connection to do anything. */
if ( ! pg_connection ) return 0;
if ( ! sql ) return 0;
res = PQexec(pg_connection, sql);
status = PQresultStatus(res);
PQclear(res);
/* Did something unexpected happen? */
if ( ! ( status == PGRES_COMMAND_OK || status == PGRES_TUPLES_OK ) )
{
/* Log notices and return success. */
if ( status == PGRES_NONFATAL_ERROR )
{
pgui_logf("%s", PQerrorMessage(pg_connection));
return 1;
}
/* Log errors and return failure. */
snprintf(sql_trunc, 255, "%s", sql);
pgui_logf("Failed SQL begins: \"%s\"", sql_trunc);
pgui_logf("Failed in pgui_exec(): %s", PQerrorMessage(pg_connection));
return 0;
}
return 1;
}
/*
** Start the COPY process.
*/
static int
pgui_copy_start(const char *sql)
{
PGresult *res = NULL;
ExecStatusType status;
char sql_trunc[256];
/* We need a connection to do anything. */
if ( ! pg_connection ) return 0;
if ( ! sql ) return 0;
res = PQexec(pg_connection, sql);
status = PQresultStatus(res);
PQclear(res);
/* Did something unexpected happen? */
if ( status != PGRES_COPY_IN )
{
/* Log errors and return failure. */
snprintf(sql_trunc, 255, "%s", sql);
pgui_logf("Failed SQL begins: \"%s\"", sql_trunc);
pgui_logf("Failed in pgui_copy_start(): %s", PQerrorMessage(pg_connection));
return 0;
}
return 1;
}
/*
** Send a line (row) of data into the COPY procedure.
*/
static int
pgui_copy_write(const char *line)
{
char line_trunc[256];
/* We need a connection to do anything. */
if ( ! pg_connection ) return 0;
if ( ! line ) return 0;
/* Did something unexpected happen? */
if ( PQputCopyData(pg_connection, line, strlen(line)) < 0 )
{
/* Log errors and return failure. */
snprintf(line_trunc, 255, "%s", line);
pgui_logf("Failed row begins: \"%s\"", line_trunc);
pgui_logf("Failed in pgui_copy_write(): %s", PQerrorMessage(pg_connection));
return 0;
}
/* Send linefeed to signify end of line */
PQputCopyData(pg_connection, "\n", 1);
return 1;
}
/*
** Finish the COPY process.
*/
static int
pgui_copy_end(const int rollback)
{
char *errmsg = NULL;
/* We need a connection to do anything. */
if ( ! pg_connection ) return 0;
if ( rollback ) errmsg = "Roll back the copy.";
/* Did something unexpected happen? */
if ( PQputCopyEnd(pg_connection, errmsg) < 0 )
{
/* Log errors and return failure. */
pgui_logf("Failed in pgui_copy_end(): %s", PQerrorMessage(pg_connection));
return 0;
}
return 1;
}
/*
* Ensures that the filename field width is within the stated bounds, and
* 'appropriately' sized, for some definition of 'appropriately'.
*/
static void
update_filename_field_width(void)
{
GtkTreeIter iter;
gboolean is_valid;
gchar *filename;
int max_width;
/* Loop through the list store to find the maximum length of an entry */
max_width = 0;
is_valid = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(list_store), &iter);
while (is_valid)
{
/* Grab the length of the filename entry in characters */
gtk_tree_model_get(GTK_TREE_MODEL(list_store), &iter, FILENAME_COLUMN, &filename, -1);
if (strlen(filename) > max_width)
max_width = strlen(filename);
/* Get next entry */
is_valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(list_store), &iter);
}
/* Note the layout manager will handle the minimum size for us; we just need to be concerned with
making sure we don't exceed a maximum limit */
if (max_width > SHAPEFIELDMAXWIDTH)
g_object_set(filename_renderer, "width-chars", SHAPEFIELDMAXWIDTH, NULL);
else
g_object_set(filename_renderer, "width-chars", -1, NULL);
return;
}
/*
* This will create a connection to the database, just to see if it can.
* It cleans up after itself like a good little function and maintains
* the status of the valid_connection parameter.
*/
static int
connection_test(void)
{
char *connection_string = NULL;
char *connection_sanitized = NULL;
if (!(connection_string = ShpDumperGetConnectionStringFromConn(conn)))
{
pgui_raise_error_dialogue();
valid_connection = 0;
return 0;
}
connection_sanitized = strdup(connection_string);
pgui_sanitize_connection_string(connection_sanitized);
pgui_logf("Connecting: %s", connection_sanitized);
free(connection_sanitized);
pg_connection = PQconnectdb(connection_string);
if (PQstatus(pg_connection) == CONNECTION_BAD)
{
pgui_logf( _("Database connection failed: %s"), PQerrorMessage(pg_connection));
free(connection_string);
PQfinish(pg_connection);
pg_connection = NULL;
valid_connection = 0;
return 0;
}
PQfinish(pg_connection);
pg_connection = NULL;
free(connection_string);
valid_connection = 1;
return 1;
}
/* === Generic window functions === */
/* Delete event handler for popups that simply returns TRUE to prevent GTK from
destroying the window and then hides it manually */
static gint
pgui_event_popup_delete(GtkWidget *widget, GdkEvent *event, gpointer data)
{
gtk_widget_hide(GTK_WIDGET(widget));
return TRUE;
}
/* === Progress window functions === */
static void
pgui_action_progress_cancel(GtkDialog *dialog, gint response_id, gpointer user_data)
{
/* Stop the current import */
import_running = FALSE;
return;
}
static gint
pgui_action_progress_delete(GtkWidget *widget, GdkEvent *event, gpointer data)
{
/* Stop the current import */
import_running = FALSE;
return TRUE;
}
/* === Option Window functions === */
/* Update the specified SHPLOADERCONFIG with the global settings from the Options dialog */
static void
update_loader_config_globals_from_options_ui(SHPLOADERCONFIG *config)
{
const char *entry_encoding = gtk_entry_get_text(GTK_ENTRY(entry_options_encoding));
gboolean preservecase = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbutton_options_preservecase));
gboolean forceint = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbutton_options_forceint));
gboolean createindex = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbutton_options_autoindex));
gboolean dbfonly = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbutton_options_dbfonly));
gboolean dumpformat = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbutton_options_dumpformat));
gboolean geography = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbutton_options_geography));
if (geography)
{
config->geography = 1;
if (config->geo_col)
free(config->geo_col);
config->geo_col = strdup(GEOGRAPHY_DEFAULT);
}
else
{
config->geography = 0;
if (config->geo_col)
free(config->geo_col);
config->geo_col = strdup(GEOMETRY_DEFAULT);
}
/* Encoding */
if (entry_encoding && strlen(entry_encoding) > 0)
{
if (config->encoding)
free(config->encoding);
config->encoding = strdup(entry_encoding);
}
/* Preserve case */
if (preservecase)
config->quoteidentifiers = 1;
else
config->quoteidentifiers = 0;
/* No long integers in table */
if (forceint)
config->forceint4 = 1;
else
config->forceint4 = 0;
/* Create spatial index after load */
if (createindex)
config->createindex = 1;
else
config->createindex = 0;
/* Read the .shp file, don't ignore it */
if (dbfonly)
{
config->readshape = 0;
/* There will be no spatial column so don't create a spatial index */
config->createindex = 0;
}
else
config->readshape = 1;
/* Use COPY rather than INSERT format */
if (dumpformat)
config->dump_format = 1;
else
config->dump_format = 0;
return;
}
/* Update the options dialog with the current values from the global config */
static void
update_options_ui_from_loader_config_globals(void)
{
gtk_entry_set_text(GTK_ENTRY(entry_options_encoding), global_loader_config->encoding);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbutton_options_preservecase), global_loader_config->quoteidentifiers ? TRUE : FALSE);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbutton_options_forceint), global_loader_config->forceint4 ? TRUE : FALSE);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbutton_options_autoindex), global_loader_config->createindex ? TRUE : FALSE);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbutton_options_dbfonly), global_loader_config->readshape ? FALSE : TRUE);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbutton_options_dumpformat), global_loader_config->dump_format ? TRUE : FALSE);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbutton_options_geography), global_loader_config->geography ? TRUE : FALSE);
return;
}
/* Set the global config variables controlled by the options dialogue */
static void
pgui_set_loader_configs_from_options_ui()
{
GtkTreeIter iter;
gboolean is_valid;
gpointer gptr;
SHPLOADERCONFIG *loader_file_config;
/* First update the global (template) configuration */
update_loader_config_globals_from_options_ui(global_loader_config);
/* Now also update the same settings for any existing files already added. We
do this by looping through all entries and updating their config too. */
is_valid = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(list_store), &iter);
while (is_valid)
{
/* Get the SHPLOADERCONFIG for this file entry */
gtk_tree_model_get(GTK_TREE_MODEL(list_store), &iter, POINTER_COLUMN, &gptr, -1);
loader_file_config = (SHPLOADERCONFIG *)gptr;
/* Update it */
update_loader_config_globals_from_options_ui(loader_file_config);
/* Get next entry */
is_valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(list_store), &iter);
}
return;
}
/* === Main window functions === */
/* Given a filename, generate a new configuration and add it to the listview */
static SHPLOADERCONFIG *
create_new_file_config(const char *filename)
{
SHPLOADERCONFIG *loader_file_config;
char *table_start, *table_end;
int i;
/* Generate a new configuration by copying the global options first and then
adding in the specific values for this file */
loader_file_config = malloc(sizeof(SHPLOADERCONFIG));
memcpy(loader_file_config, global_loader_config, sizeof(SHPLOADERCONFIG));
/* Note: we must copy the encoding here since it is the only pass-by-reference
type set in set_loader_config_defaults() and each config needs its own copy
of any referenced items */
loader_file_config->encoding = strdup(global_loader_config->encoding);
/* Copy the filename (we'll remove the .shp extension in a sec) */
loader_file_config->shp_file = strdup(filename);
/* Generate the default table name from the filename */
table_start = loader_file_config->shp_file + strlen(loader_file_config->shp_file);
while (*table_start != '/' && *table_start != '\\' && table_start > loader_file_config->shp_file)
table_start--;
/* Forward one to start of actual characters */
table_start++;
/* Roll back from end to first . character. */
table_end = loader_file_config->shp_file + strlen(loader_file_config->shp_file);
while (*table_end != '.' && table_end > loader_file_config->shp_file && table_end > table_start )
table_end--;
/* Sneakily remove .shp from shp_file */
*table_end = '\0';
/* Copy the table name */
loader_file_config->table = malloc(table_end - table_start + 1);
memcpy(loader_file_config->table, table_start, table_end - table_start);
loader_file_config->table[table_end - table_start] = '\0';
/* Force the table name to lower case */
for (i = 0; i < table_end - table_start; i++)
{
if (isupper(loader_file_config->table[i]) != 0)
loader_file_config->table[i] = tolower(loader_file_config->table[i]);
}
/* Set the default schema to public */
loader_file_config->schema = strdup("public");
/* Set the default geo column name */
if (global_loader_config->geography)
loader_file_config->geo_col = strdup(GEOGRAPHY_DEFAULT);
else
loader_file_config->geo_col = strdup(GEOMETRY_DEFAULT);
return loader_file_config;
}
/* Given the loader configuration, add a new row representing this file to the listview */
static void
add_loader_file_config_to_list(SHPLOADERCONFIG *loader_file_config)
{
GtkTreeIter iter;
char *srid;
/* Convert SRID into string */
lw_asprintf(&srid, "%d", loader_file_config->sr_id);
gtk_list_store_insert_before(list_store, &iter, NULL);
gtk_list_store_set(list_store, &iter,
POINTER_COLUMN, loader_file_config,
FILENAME_COLUMN, loader_file_config->shp_file,
SCHEMA_COLUMN, loader_file_config->schema,
TABLE_COLUMN, loader_file_config->table,
GEOMETRY_COLUMN, loader_file_config->geo_col,
SRID_COLUMN, srid,
MODE_COLUMN, _("Create"),
-1);
/* Update the filename field width */
update_filename_field_width();
return;
}
/* Free up the specified SHPLOADERCONFIG */
static void
free_loader_config(SHPLOADERCONFIG *config)
{
if (config->table)
free(config->table);
if (config->schema)
free(config->schema);
if (config->geo_col)
free(config->geo_col);
if (config->shp_file)
free(config->shp_file);
if (config->encoding)
free(config->encoding);
if (config->tablespace)
free(config->tablespace);
if (config->idxtablespace)
free(config->idxtablespace);
/* Free the config itself */
free(config);
}
/* Validate a single DBF column type against a PostgreSQL type: return either TRUE or FALSE depending
upon whether or not the type is (broadly) compatible */
static int
validate_shape_column_against_pg_column(int dbf_fieldtype, char *pg_fieldtype)
{
switch (dbf_fieldtype)
{
case FTString:
/* Only varchar */
if (!strcmp(pg_fieldtype, "varchar"))
return -1;
break;
case FTDate:
/* Only date */
if (!strcmp(pg_fieldtype, "date"))
return -1;
break;
case FTInteger:
/* Tentatively allow int2, int4 and numeric */
if (!strcmp(pg_fieldtype, "int2") || !strcmp(pg_fieldtype, "int4") || !strcmp(pg_fieldtype, "numeric"))
return -1;
break;
case FTDouble:
/* Only float8/numeric */
if (!strcmp(pg_fieldtype, "float8") || !strcmp(pg_fieldtype, "numeric"))
return -1;
break;
case FTLogical:
/* Only boolean */
if (!strcmp(pg_fieldtype, "boolean"))
return -1;
break;
}
/* Otherwise we can't guarantee this (but this is just a warning anyway) */
return 0;
}
/* Validate column compatibility for the given loader configuration against the table/column
list returned in result */
static int
validate_remote_loader_columns(SHPLOADERCONFIG *config, PGresult *result)
{
ExecStatusType status;
int ntuples;
char *pg_fieldname, *pg_fieldtype;
int ret, i, j, found, response = SHPLOADEROK;
/* Check the status of the result set */
status = PQresultStatus(result);
if (status == PGRES_TUPLES_OK)
{
ntuples = PQntuples(result);
switch (config->opt)
{
case 'c':
/* If we have a row matching the table given in the config, then it already exists */
if (ntuples > 0)
{
pgui_seterr(_("ERROR: Create mode selected for existing table: %s.%s"), config->schema, config->table);
response = SHPLOADERERR;
}
break;
case 'p':
/* If we have a row matching the table given in the config, then it already exists */
if (ntuples > 0)
{
pgui_seterr(_("ERROR: Prepare mode selected for existing table: %s.%s"), config->schema, config->table);
response = SHPLOADERERR;
}
break;
case 'a':
/* If we are trying to append to a table but it doesn't exist, emit a warning */
if (ntuples == 0)
{
pgui_seterr(_("ERROR: Destination table %s.%s could not be found for appending"), config->schema, config->table);
response = SHPLOADERERR;
}
else
{
/* If we have a row then lets do some simple column validation... */
state = ShpLoaderCreate(config);
ret = ShpLoaderOpenShape(state);
if (ret != SHPLOADEROK)
{
pgui_logf(_("Warning: Could not load shapefile %s"), config->shp_file);
ShpLoaderDestroy(state);
}
/* Find each column based upon its name and then validate type separately... */
for (i = 0; i < state->num_fields; i++)
{
/* Make sure we find a column */
found = 0;
for (j = 0; j < ntuples; j++)
{
pg_fieldname = PQgetvalue(result, j, PQfnumber(result, "field"));
pg_fieldtype = PQgetvalue(result, j, PQfnumber(result, "type"));
if (!strcmp(state->field_names[i], pg_fieldname))
{
found = -1;
ret = validate_shape_column_against_pg_column(state->types[i], pg_fieldtype);
if (!ret)
{
pgui_logf(_("Warning: DBF Field '%s' is not compatible with PostgreSQL column '%s' in %s.%s"), state->field_names[i], pg_fieldname, config->schema, config->table);
response = SHPLOADERWARN;
}
}
}
/* Flag a warning if we can't find a match */
if (!found)
{
pgui_logf(_("Warning: DBF Field '%s' within file %s could not be matched to a column within table %s.%s"),
state->field_names[i], config->shp_file, config->schema, config->table);
response = SHPLOADERWARN;
}
}
ShpLoaderDestroy(state);
}
break;
}
}
else
{
pgui_seterr(_("ERROR: unable to process validation response from remote server"));
response = SHPLOADERERR;
}
return response;
}
/* Terminate the main loop and exit the application. */
static void
pgui_quit (GtkWidget *widget, gpointer data)
{
gtk_main_quit();
}
static void
pgui_action_about_open()
{
/* Display the dialog and hide it again upon exit */
gtk_dialog_run(GTK_DIALOG(dialog_about));
gtk_widget_hide(dialog_about);
}
static void
pgui_action_cancel(GtkWidget *widget, gpointer data)
{
if (!import_running)
pgui_quit(widget, data); /* quit if we're not running */
else
import_running = FALSE;
}
static void
pgui_action_options_open(GtkWidget *widget, gpointer data)
{
update_options_ui_from_loader_config_globals();
gtk_widget_show_all(dialog_options);
return;
}
static void
pgui_action_options_close(GtkWidget *widget, gint response, gpointer data)
{
/* Only update the configuration if the user hit OK */
if (response == GTK_RESPONSE_OK)
pgui_set_loader_configs_from_options_ui();
/* Hide the dialog */
gtk_widget_hide(dialog_options);
return;
}
static void
pgui_action_open_file_dialog(GtkWidget *widget, gpointer data)
{
SHPLOADERCONFIG *loader_file_config;
/* Run the dialog */
if (gtk_dialog_run(GTK_DIALOG(dialog_filechooser)) == GTK_RESPONSE_ACCEPT)
{
/* Create the new file configuration based upon the filename and add it to the listview */
loader_file_config = create_new_file_config(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog_filechooser)));
add_loader_file_config_to_list(loader_file_config);
}
gtk_widget_hide(dialog_filechooser);
}
static void
pgui_action_import(GtkWidget *widget, gpointer data)
{
SHPLOADERCONFIG *loader_file_config;
gint is_valid;
gpointer gptr;
GtkTreeIter iter;
char *sql_form, *query, *progress_text = NULL, *progress_shapefile = NULL;
PGresult *result;
char *connection_string = NULL;
int ret, success, i = 0;
char *header, *footer, *record;
/* Firstly make sure that we can connect to the database - if we can't then there isn't much
point doing anything else... */
if (!connection_test())
{
pgui_seterr(_("Unable to connect to the database - please check your connection settings"));
pgui_raise_error_dialogue();
return;
}
/* Validation: we loop through each of the files in order to validate them as a separate pass */
is_valid = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(list_store), &iter);
/* Let's open a single connection to the remote DB for the duration of the validation pass;
note that we already know the connection string works, otherwise we would have bailed
out earlier in the function */
connection_string = ShpDumperGetConnectionStringFromConn(conn);
pg_connection = PQconnectdb(connection_string);
/* Setup the table/column type discovery query */
sql_form = "SELECT a.attnum, a.attname AS field, t.typname AS type, a.attlen AS length, a.atttypmod AS precision FROM pg_class c, pg_attribute a, pg_type t, pg_namespace n WHERE c.relname = '%s' AND n.nspname = '%s' AND a.attnum > 0 AND a.attrelid = c.oid AND a.atttypid = t.oid AND c.relnamespace = n.oid ORDER BY a.attnum";
while (is_valid)
{
/* Grab the SHPLOADERCONFIG for this row */
gtk_tree_model_get(GTK_TREE_MODEL(list_store), &iter, POINTER_COLUMN, &gptr, -1);
loader_file_config = (SHPLOADERCONFIG *)gptr;
/* For each entry, we execute a remote query in order to determine the column names
and types for the remote table if they actually exist */
query = malloc(strlen(sql_form) + strlen(loader_file_config->schema) + strlen(loader_file_config->table) + 1);
sprintf(query, sql_form, loader_file_config->table, loader_file_config->schema);
result = PQexec(pg_connection, query);
/* Call the validation function with the SHPLOADERCONFIG and the result set */
ret = validate_remote_loader_columns(loader_file_config, result);
if (ret == SHPLOADERERR)
{
pgui_raise_error_dialogue();
PQclear(result);
free(query);
return;
}
/* Free the SQL query */
PQclear(result);
free(query);
/* Get next entry */
is_valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(list_store), &iter);
}
/* Close our database connection */
PQfinish(pg_connection);
/* Once we've done the validation pass, now let's load the shapefile */
pg_connection = PQconnectdb(connection_string);
is_valid = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(list_store), &iter);
while (is_valid)
{
/* Grab the SHPLOADERCONFIG for this row */
gtk_tree_model_get(GTK_TREE_MODEL(list_store), &iter, POINTER_COLUMN, &gptr, -1);
loader_file_config = (SHPLOADERCONFIG *)gptr;
pgui_logf("\n==============================");
pgui_logf("Importing with configuration: %s, %s, %s, %s, mode=%c, dump=%d, simple=%d, geography=%d, index=%d, shape=%d, srid=%d", loader_file_config->table, loader_file_config->schema, loader_file_config->geo_col, loader_file_config->shp_file, loader_file_config->opt, loader_file_config->dump_format, loader_file_config->simple_geometries, loader_file_config->geography, loader_file_config->createindex, loader_file_config->readshape, loader_file_config->sr_id);
/*
* Loop through the items in the shapefile
*/
import_running = TRUE;
success = FALSE;
/* Disable the button to prevent multiple imports running at the same time */