-/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 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
- the Free Software Foundation, either version 3 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, see <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-#include "dialog-common.h"
-#include <ui/syntax-gen.h>
-#include <libpspp/str.h>
-
-#include "k-means-dialog.h"
-#include "psppire-selector.h"
-#include "psppire-dictview.h"
-#include "psppire-dialog.h"
-
-#include "psppire-data-window.h"
-#include "psppire-var-view.h"
-
-#include "executor.h"
-#include "helper.h"
-#include "builder-wrapper.h"
-
-#include <gtk/gtk.h>
-
-#include "gettext.h"
-#define _(msgid) gettext (msgid)
-#define N_(msgid) msgid
-
-
-
-
-struct k_means
-{
- GtkBuilder *xml;
- PsppireDict *dict;
-
- GtkWidget *variables;
- PsppireDataWindow *de ;
-
- GtkWidget *entry;
-};
-
-static char * generate_syntax (const struct k_means *rd);
-
-
-static void
-refresh (struct k_means *fd)
-{
- GtkTreeModel *liststore =
- gtk_tree_view_get_model (GTK_TREE_VIEW (fd->variables));
- gtk_list_store_clear (GTK_LIST_STORE (liststore));
-
- gtk_entry_set_text (GTK_ENTRY (fd->entry), "");
-}
-
-
-static gboolean
-dialog_state_valid (gpointer data)
-{
- struct k_means *fd = data;
-
- GtkTreeModel *liststore = gtk_tree_view_get_model (GTK_TREE_VIEW (fd->variables));
-
- if (gtk_tree_model_iter_n_children (liststore, NULL) < 2)
- return FALSE;
-
- if (atoi (gtk_entry_get_text (GTK_ENTRY (fd->entry))) < 2)
- return FALSE;
-
- return TRUE;
-}
-
-
-/* Pops up the K_Means dialog box */
-void
-k_means_dialog (PsppireDataWindow *dw)
-{
- struct k_means fd;
- gint response;
-
- PsppireVarStore *vs;
-
- GtkWidget *dialog ;
- GtkWidget *source ;
-
- fd.xml = builder_new ("k-means.ui");
-
- dialog = get_widget_assert (fd.xml, "k-means-dialog");
- source = get_widget_assert (fd.xml, "dict-view");
-
- fd.entry = get_widget_assert (fd.xml, "entry1");
-
- fd.de = dw;
-
- g_signal_connect_swapped (dialog, "refresh", G_CALLBACK (refresh), &fd);
-
-
- fd.variables = get_widget_assert (fd.xml, "psppire-var-view1");
-
- g_object_get (fd.de->data_editor, "var-store", &vs, NULL);
-
- gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (fd.de));
-
- g_object_get (vs, "dictionary", &fd.dict, NULL);
- g_object_set (source, "model", fd.dict,
- "predicate", var_is_numeric,
- NULL);
-
- psppire_dialog_set_valid_predicate (PSPPIRE_DIALOG (dialog),
- dialog_state_valid, &fd);
-
- response = psppire_dialog_run (PSPPIRE_DIALOG (dialog));
-
- switch (response)
- {
- case GTK_RESPONSE_OK:
- g_free (execute_syntax_string (dw, generate_syntax (&fd)));
- break;
- case PSPPIRE_RESPONSE_PASTE:
- g_free (paste_syntax_to_window (generate_syntax (&fd)));
- break;
- default:
- break;
- }
-
- g_object_unref (fd.xml);
-}
-
-
-\f
-
-static char *
-generate_syntax (const struct k_means *km)
-{
- gchar *text;
-
- GString *string = g_string_new ("QUICK CLUSTER ");
-
- psppire_var_view_append_names (PSPPIRE_VAR_VIEW (km->variables), 0, string);
-
- g_string_append_printf (string, "\n\t/CRITERIA=CLUSTERS(%d)",
- atoi (gtk_entry_get_text (GTK_ENTRY (km->entry))));
-
- g_string_append (string, ".\n");
-
- text = string->str;
-
- g_string_free (string, FALSE);
-
- return text;
-}