/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2012 Free Software Foundation
+ Copyright (C) 2012, 2014 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 <config.h>
#include "psppire-means-layer.h"
-#include "psppire-selector.h"
#include "psppire-var-view.h"
#include <gtk/gtk.h>
G_DEFINE_TYPE (PsppireMeansLayer, psppire_means_layer, GTK_TYPE_VBOX);
+static GObjectClass *parent_class = NULL;
+
+static void
+psppire_means_layer_dispose (GObject *obj)
+{
+ PsppireMeansLayer *w = (PsppireMeansLayer *)obj;
+
+ if (w->dispose_has_run)
+ return;
+
+ /* Make sure dispose does not run twice. */
+ w->dispose_has_run = TRUE;
+
+ g_ptr_array_unref (w->layer);
+
+ /* Chain up to the parent class */
+ G_OBJECT_CLASS (parent_class)->dispose (obj);
+}
+
static void
psppire_means_layer_class_init (PsppireMeansLayerClass *class)
{
- // GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+ parent_class = g_type_class_peek_parent (class);
+
+
+ object_class->dispose = psppire_means_layer_dispose;
+}
+
+
+static void
+refresh_view (PsppireMeansLayer *ml)
+{
+ GtkTreeModel *tm;
+ g_return_if_fail (ml->current_layer >= 0);
+ tm = g_ptr_array_index (ml->layer, ml->current_layer);
+ gtk_tree_view_set_model (GTK_TREE_VIEW (ml->var_view), tm);
}
+
static void
-update (PsppireMeansLayer *ml)
+add_new_layer (PsppireMeansLayer *ml)
+{
+ /* Add a model and take a reference to it */
+ GtkTreeModel *tm = gtk_tree_view_get_model (GTK_TREE_VIEW (ml->var_view));
+ g_ptr_array_add (ml->layer, tm);
+ g_signal_connect_swapped (tm, "row-inserted", G_CALLBACK (refresh_view), ml);
+
+ g_object_ref (tm);
+}
+
+
+void
+psppire_means_layer_update (PsppireMeansLayer *ml)
{
- gchar *l = g_strdup_printf (_("Layer %d of %d"),
+ gchar *l;
+
+ if (!gtk_widget_get_realized (GTK_WIDGET (ml)))
+ return;
+
+ l = g_strdup_printf (_("Layer %d of %d"),
ml->current_layer + 1, ml->n_layers);
gtk_label_set_text (GTK_LABEL (ml->label), l);
g_free (l);
- psppire_var_view_set_current_model (PSPPIRE_VAR_VIEW (ml->var_view),
- ml->current_layer);
-
gtk_widget_set_sensitive (ml->back, ml->current_layer > 0);
- gtk_widget_set_sensitive (ml->forward,
- psppire_var_view_get_iter_first (PSPPIRE_VAR_VIEW (ml->var_view), NULL));
+
+ {
+ GtkTreeIter dummy;
+ GtkTreeModel *tm = g_ptr_array_index (ml->layer, ml->current_layer);
+
+ g_return_if_fail (GTK_IS_TREE_MODEL (tm));
+
+ gtk_widget_set_sensitive (ml->forward,
+ gtk_tree_model_get_iter_first (tm, &dummy));
+ }
}
static void
on_forward (PsppireMeansLayer *ml)
{
- ml->current_layer++;
- if (ml->current_layer >= ml->n_layers)
+ if (ml->current_layer + 1 >= ml->n_layers)
{
- ml->n_layers = ml->current_layer + 1;
- psppire_var_view_push_model (PSPPIRE_VAR_VIEW (ml->var_view));
+ psppire_var_view_clear (PSPPIRE_VAR_VIEW (ml->var_view));
+ add_new_layer (ml);
+ ml->n_layers = ml->current_layer + 2;
}
-
- update (ml);
+ else
+ {
+ GtkTreeModel *tm = g_ptr_array_index (ml->layer, ml->current_layer + 1);
+ gtk_tree_view_set_model (GTK_TREE_VIEW (ml->var_view), tm);
+ }
+ ml->current_layer++;
+ psppire_means_layer_update (ml);
}
static void
on_back (PsppireMeansLayer *ml)
{
+ GtkTreeModel *tm;
g_return_if_fail (ml->current_layer > 0);
ml->current_layer--;
- update (ml);
+ tm = g_ptr_array_index (ml->layer, ml->current_layer);
+ gtk_tree_view_set_model (GTK_TREE_VIEW (ml->var_view), tm);
+
+ psppire_means_layer_update (ml);
}
+void
+psppire_means_layer_clear (PsppireMeansLayer *ml)
+{
+ psppire_var_view_clear (PSPPIRE_VAR_VIEW (ml->var_view));
+
+ ml->n_layers = 1;
+ ml->current_layer = 0;
+ ml->layer = g_ptr_array_new_full (3, g_object_unref);
+
+ add_new_layer (ml);
+
+ psppire_means_layer_update (ml);
+}
static void
psppire_means_layer_init (PsppireMeansLayer *ml)
GtkWidget *alignment = gtk_alignment_new (0, 0.5, 0, 0);
GtkWidget *sw = gtk_scrolled_window_new (NULL, NULL);
+ ml->dispose_has_run = FALSE;
ml->forward = gtk_button_new_from_stock (GTK_STOCK_GO_FORWARD);
ml->back = gtk_button_new_from_stock (GTK_STOCK_GO_BACK);
ml->var_view = psppire_var_view_new ();
- ml->selector = psppire_selector_new ();
ml->label = gtk_label_new ("");
g_signal_connect_swapped (ml->forward, "clicked", G_CALLBACK (on_forward),
g_signal_connect_swapped (ml->back, "clicked", G_CALLBACK (on_back), ml);
- g_signal_connect_swapped (ml->selector, "selected", G_CALLBACK (update), ml);
- g_signal_connect_swapped (ml->selector, "de-selected", G_CALLBACK (update),
- ml);
g_object_set (ml->var_view, "headers-visible", FALSE, NULL);
g_object_set (sw,
"hscrollbar-policy", GTK_POLICY_AUTOMATIC,
NULL);
- g_object_set (ml->selector, "dest-widget", ml->var_view, NULL);
+ g_signal_connect_swapped (ml->var_view, "notify::model", G_CALLBACK (psppire_means_layer_update), ml);
gtk_box_pack_start (GTK_BOX (hbox_upper), ml->back, FALSE, FALSE, 5);
gtk_box_pack_start (GTK_BOX (hbox_upper), ml->label, TRUE, FALSE, 5);
gtk_box_pack_start (GTK_BOX (hbox_upper), ml->forward, FALSE, FALSE, 5);
gtk_box_pack_start (GTK_BOX (hbox_lower), alignment, FALSE, FALSE, 5);
- gtk_container_add (GTK_CONTAINER (alignment), ml->selector);
gtk_box_pack_start (GTK_BOX (hbox_lower), sw, TRUE, TRUE, 5);
gtk_container_add (GTK_CONTAINER (sw), ml->var_view);
gtk_box_pack_start (GTK_BOX (ml), hbox_upper, FALSE, FALSE, 5);
gtk_box_pack_start (GTK_BOX (ml), hbox_lower, TRUE, TRUE, 5);
- ml->n_layers = 1;
- ml->current_layer = 0;
- update (ml);
+ psppire_means_layer_clear (ml);
gtk_widget_show_all (hbox_upper);
gtk_widget_show_all (hbox_lower);
}
-void
-psppire_means_layer_set_source (PsppireMeansLayer *ml, GtkWidget *w)
+
+
+GtkTreeModel *
+psppire_means_layer_get_model_n (PsppireMeansLayer *ml, gint n)
{
- g_object_set (ml->selector, "source-widget", w, NULL);
+ return g_ptr_array_index (ml->layer, n);
}
-void
-psppire_means_layer_clear (PsppireMeansLayer *ml)
+GtkTreeModel *
+psppire_means_layer_get_model (PsppireMeansLayer *ml)
{
- psppire_var_view_clear (PSPPIRE_VAR_VIEW (ml->var_view));
- ml->n_layers = 1;
- ml->current_layer = 0;
- update (ml);
+ return g_ptr_array_index (ml->layer, ml->current_layer);
}
+
projects / pspp / blobdiff