/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2007, 2009, 2010, 2011 Free Software Foundation
+ Copyright (C) 2007, 2009, 2010, 2011, 2012 Free Software Foundation
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
#include "data/dataset.h"
#include "data/lazy-casereader.h"
+#include "data/session.h"
#include "language/command.h"
#include "language/lexer/lexer.h"
#include "libpspp/cast.h"
#include "output/driver.h"
#include "ui/gui/psppire-data-store.h"
-#include "ui/gui/psppire-output-window.h"
-
-extern struct dataset *the_dataset;
-extern PsppireDataStore *the_data_store;
+#include "ui/gui/psppire.h"
/* Lazy casereader callback function used by execute_syntax. */
static struct casereader *
return psppire_data_store_get_reader (data_store);
}
+/* Ensures that dataset DS has a name, because some parts of the GUI insist
+ upon this. */
+static void
+name_dataset_cb (struct dataset *ds, void *aux UNUSED)
+{
+ if (dataset_name (ds)[0] == '\0')
+ {
+ struct session *session = dataset_session (ds);
+ char *dataset_name = session_generate_dataset_name (session);
+ dataset_set_name (ds, dataset_name);
+ free (dataset_name);
+ }
+}
+
+static void
+new_pdw_cb (struct dataset *ds, void *aux UNUSED)
+{
+ PsppireDataWindow *pdw = psppire_data_window_for_dataset (ds);
+ if (pdw == NULL)
+ pdw = PSPPIRE_DATA_WINDOW (psppire_data_window_new (ds));
+
+ switch (dataset_get_display (ds))
+ {
+ case DATASET_ASIS:
+ break;
+
+ case DATASET_FRONT:
+ gtk_widget_show (GTK_WIDGET (pdw));
+ gtk_window_deiconify (GTK_WINDOW (pdw));
+ gdk_window_raise (gtk_widget_get_window (GTK_WIDGET (pdw)));
+ psppire_data_window_set_default (pdw);
+ break;
+
+ case DATASET_MINIMIZED:
+ gtk_window_iconify (GTK_WINDOW (pdw));
+ gtk_widget_show (GTK_WIDGET (pdw));
+ psppire_data_window_undefault (pdw);
+ break;
+
+ case DATASET_HIDDEN:
+ gtk_widget_hide (GTK_WIDGET (pdw));
+ psppire_data_window_undefault (pdw);
+ break;
+ }
+ dataset_set_display (ds, DATASET_ASIS);
+}
+
gboolean
-execute_syntax (struct lex_reader *lex_reader)
+execute_syntax (PsppireDataWindow *window, struct lex_reader *lex_reader)
{
struct lexer *lexer;
gboolean retval = TRUE;
- struct casereader *reader;
- const struct caseproto *proto;
- casenumber case_cnt;
- unsigned long int lazy_serial;
-
- /* When the user executes a number of snippets of syntax in a
- row, none of which read from the active dataset, the GUI becomes
- progressively less responsive. The reason is that each syntax
- execution encapsulates the active dataset data in another
- datasheet layer. The cumulative effect of having a number of
- layers of datasheets wastes time and space.
-
- To solve the problem, we use a "lazy casereader", a wrapper
- around the casereader obtained from the data store, that
- only actually instantiates that casereader when it is
- needed. If the data store casereader is never needed, then
- it is reused the next time syntax is run, without wrapping
- it in another layer. */
- proto = psppire_data_store_get_proto (the_data_store);
- case_cnt = psppire_data_store_get_case_count (the_data_store);
- reader = lazy_casereader_create (proto, case_cnt,
- create_casereader_from_data_store,
- the_data_store, &lazy_serial);
- dataset_set_source (the_dataset, reader);
-
- g_return_val_if_fail (dataset_has_source (the_dataset), FALSE);
+ PsppireDataWindow *pdw, *next_pdw;
+
+ ll_for_each (pdw, PsppireDataWindow, ll, &all_data_windows)
+ {
+ const struct caseproto *proto;
+ struct casereader *reader;
+ casenumber case_cnt;
+
+ /* When the user executes a number of snippets of syntax in a
+ row, none of which read from the active dataset, the GUI becomes
+ progressively less responsive. The reason is that each syntax
+ execution encapsulates the active dataset data in another
+ datasheet layer. The cumulative effect of having a number of
+ layers of datasheets wastes time and space.
+
+ To solve the problem, we use a "lazy casereader", a wrapper
+ around the casereader obtained from the data store, that
+ only actually instantiates that casereader when it is
+ needed. If the data store casereader is never needed, then
+ it is reused the next time syntax is run, without wrapping
+ it in another layer. */
+ proto = psppire_data_store_get_proto (pdw->data_store);
+ case_cnt = psppire_data_store_get_case_count (pdw->data_store);
+ reader = lazy_casereader_create (proto, case_cnt,
+ create_casereader_from_data_store,
+ pdw->data_store, &pdw->lazy_serial);
+ dataset_set_source (pdw->dataset, reader);
+
+ if (pdw == window)
+ session_set_active_dataset (the_session, pdw->dataset);
+
+ g_return_val_if_fail (dataset_has_source (pdw->dataset), FALSE);
+
+ pdw->dataset_seqno = dataset_seqno (pdw->dataset);
+ }
lexer = lex_create ();
psppire_set_lexer (lexer);
for (;;)
{
- enum cmd_result result = cmd_parse (lexer, the_dataset);
+ struct dataset *ds = session_active_dataset (the_session);
+ enum cmd_result result = cmd_parse (lexer, ds);
if ( cmd_result_is_failure (result))
{
break;
}
- lex_destroy (lexer);
- psppire_set_lexer (NULL);
+ session_for_each_dataset (the_session, name_dataset_cb, NULL);
+
+ ll_for_each_safe (pdw, next_pdw, PsppireDataWindow, ll, &all_data_windows)
+ {
+ struct dataset *ds;
+
+ ds = session_get_dataset_by_seqno (the_session, pdw->dataset_seqno);
+ if (ds != NULL)
+ {
+ struct casereader *reader;
- proc_execute (the_dataset);
+ pdw->dataset = ds;
+ proc_execute (pdw->dataset);
- psppire_dict_replace_dictionary (the_data_store->dict,
- dataset_dict (the_dataset));
+ psppire_dict_replace_dictionary (pdw->data_store->dict,
+ dataset_dict (pdw->dataset));
- reader = dataset_steal_source (the_dataset);
- if (!lazy_casereader_destroy (reader, lazy_serial))
- psppire_data_store_set_reader (the_data_store, reader);
+ reader = dataset_steal_source (pdw->dataset);
+ if (!lazy_casereader_destroy (reader, pdw->lazy_serial))
+ psppire_data_store_set_reader (pdw->data_store, reader);
+
+ g_object_set (G_OBJECT (pdw), "id", dataset_name (pdw->dataset),
+ (void *) NULL);
+ }
+ else
+ gtk_widget_destroy (GTK_WIDGET (pdw));
+ }
+
+ session_for_each_dataset (the_session, new_pdw_cb, NULL);
+
+ /* Destroy the lexer only after obtaining the dataset, because the dataset
+ might depend on the lexer, if the casereader specifies inline data. (In
+ such a case then we'll always get an error message--the inline data is
+ missing, otherwise it would have been parsed in the loop above.) */
+ lex_destroy (lexer);
+ psppire_set_lexer (NULL);
output_flush ();
/* Executes null-terminated string SYNTAX as syntax.
Returns SYNTAX. */
gchar *
-execute_syntax_string (gchar *syntax)
+execute_syntax_string (PsppireDataWindow *window, gchar *syntax)
{
- execute_const_syntax_string (syntax);
+ execute_const_syntax_string (window, syntax);
return syntax;
}
/* Executes null-terminated string SYNTAX as syntax. */
void
-execute_const_syntax_string (const gchar *syntax)
+execute_const_syntax_string (PsppireDataWindow *window, const gchar *syntax)
{
- execute_syntax (lex_reader_for_string (syntax));
+ execute_syntax (window, lex_reader_for_string (syntax, "UTF-8"));
}