+/* PSPPIRE - a graphical user interface for PSPP.
+ Copyrigght (C) 2008 Free Software Foundation, Inc.
+
+ 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 <gtk/gtksignal.h>
+#include <gtk/gtk.h>
+#include <gtksheet/gtksheet.h>
+#include "psppire-data-editor.h"
+#include "psppire-var-sheet.h"
+
+#include <gtksheet/gsheet-hetero-column.h>
+#include <language/syntax-string-source.h>
+#include "psppire-data-store.h"
+#include "helper.h"
+
+#include <gettext.h>
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+
+enum {
+ DATA_SELECTION_CHANGED,
+ DATA_AVAILABLE_CHANGED,
+ CASES_SELECTED,
+ VARIABLES_SELECTED,
+ n_SIGNALS
+};
+
+
+static guint data_editor_signals [n_SIGNALS] = { 0 };
+
+
+static gboolean data_is_selected (PsppireDataEditor *de);
+
+static void psppire_data_editor_class_init (PsppireDataEditorClass *klass);
+static void psppire_data_editor_init (PsppireDataEditor *de);
+
+GType
+psppire_data_editor_get_type (void)
+{
+ static GType de_type = 0;
+
+ if (!de_type)
+ {
+ static const GTypeInfo de_info =
+ {
+ sizeof (PsppireDataEditorClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) psppire_data_editor_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (PsppireDataEditor),
+ 0,
+ (GInstanceInitFunc) psppire_data_editor_init,
+ };
+
+ de_type = g_type_register_static (GTK_TYPE_NOTEBOOK, "PsppireDataEditor",
+ &de_info, 0);
+ }
+
+ return de_type;
+}
+
+static GObjectClass * parent_class = NULL;
+
+static void
+psppire_data_editor_dispose (GObject *obj)
+{
+ PsppireDataEditor *de = (PsppireDataEditor *) obj;
+
+ if (de->dispose_has_run)
+ return;
+
+ g_object_unref (de->data_store);
+ g_object_unref (de->var_store);
+
+ /* Make sure dispose does not run twice. */
+ de->dispose_has_run = TRUE;
+
+ /* Chain up to the parent class */
+ G_OBJECT_CLASS (parent_class)->dispose (obj);
+}
+
+static void
+psppire_data_editor_finalize (GObject *obj)
+{
+ /* Chain up to the parent class */
+ G_OBJECT_CLASS (parent_class)->finalize (obj);
+}
+
+
+
+static void popup_variable_menu (GtkSheet *sheet, gint column,
+ GdkEventButton *event, gpointer data);
+
+static void popup_cases_menu (GtkSheet *sheet, gint row,
+ GdkEventButton *event, gpointer data);
+
+
+
+
+/* Callback which occurs when the data sheet's column title
+ is double clicked */
+static gboolean
+on_data_column_clicked (PsppireDataEditor *de, gint col, gpointer data)
+{
+
+ gint current_row, current_column;
+
+ gtk_notebook_set_current_page (GTK_NOTEBOOK (de), PSPPIRE_DATA_EDITOR_VARIABLE_VIEW);
+
+ gtk_sheet_get_active_cell (GTK_SHEET (de->var_sheet),
+ ¤t_row, ¤t_column);
+
+ gtk_sheet_set_active_cell (GTK_SHEET (de->var_sheet), col, current_column);
+
+ return FALSE;
+}
+
+
+/* Callback which occurs when the var sheet's row title
+ button is double clicked */
+static gboolean
+on_var_row_clicked (PsppireDataEditor *de, gint row, gpointer data)
+{
+ GtkSheetRange visible_range;
+
+ gint current_row, current_column;
+
+ gtk_notebook_set_current_page (GTK_NOTEBOOK(de), PSPPIRE_DATA_EDITOR_DATA_VIEW);
+
+ gtk_sheet_get_active_cell (GTK_SHEET (de->data_sheet),
+ ¤t_row, ¤t_column);
+
+ gtk_sheet_set_active_cell (GTK_SHEET (de->data_sheet), current_row, row);
+
+ gtk_sheet_get_visible_range (GTK_SHEET (de->data_sheet), &visible_range);
+
+ if ( row < visible_range.col0 || row > visible_range.coli)
+ {
+ gtk_sheet_moveto (GTK_SHEET (de->data_sheet),
+ current_row, row, 0, 0);
+ }
+
+ return FALSE;
+}
+
+
+
+enum
+ {
+ PROP_0,
+ PROP_DATA_STORE,
+ PROP_VAR_STORE,
+ PROP_COLUMN_MENU,
+ PROP_ROW_MENU,
+ PROP_VALUE_LABELS,
+ PROP_CURRENT_CASE,
+ PROP_CURRENT_VAR,
+ PROP_DATA_SELECTED
+ };
+
+static void
+psppire_data_editor_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ PsppireDataEditor *de = PSPPIRE_DATA_EDITOR (object);
+
+ switch (prop_id)
+ {
+ case PROP_DATA_STORE:
+ if ( de->data_store) g_object_unref (de->data_store);
+ de->data_store = g_value_get_pointer (value);
+ g_object_ref (de->data_store);
+
+ g_object_set (de->data_sheet,
+ "row-geometry", de->data_store,
+ "column-geometry", de->data_store,
+ "model", de->data_store,
+ NULL);
+ break;
+ case PROP_VAR_STORE:
+ if ( de->var_store) g_object_unref (de->var_store);
+ de->var_store = g_value_get_pointer (value);
+ g_object_ref (de->var_store);
+
+ g_object_set (de->var_sheet,
+ "row-geometry", de->var_store,
+ "model", de->var_store,
+ NULL);
+ break;
+ case PROP_COLUMN_MENU:
+ {
+ GObject *menu = g_value_get_object (value);
+
+ g_signal_connect (de->data_sheet, "button-event-column",
+ G_CALLBACK (popup_variable_menu), menu);
+ }
+ break;
+ case PROP_ROW_MENU:
+ {
+ GObject *menu = g_value_get_object (value);
+
+ g_signal_connect (de->data_sheet, "button-event-row",
+ G_CALLBACK (popup_cases_menu), menu);
+ }
+ break;
+ case PROP_CURRENT_VAR:
+ {
+ gint row, col;
+ gint var = g_value_get_long (value);
+ switch (gtk_notebook_get_current_page (GTK_NOTEBOOK (object)))
+ {
+ case PSPPIRE_DATA_EDITOR_DATA_VIEW:
+ gtk_sheet_get_active_cell (GTK_SHEET (de->data_sheet), &row, &col);
+ gtk_sheet_set_active_cell (GTK_SHEET (de->data_sheet), row, var);
+ gtk_sheet_moveto (GTK_SHEET (de->data_sheet), row, var, 0.5, 0.5);
+ break;
+ case PSPPIRE_DATA_EDITOR_VARIABLE_VIEW:
+ gtk_sheet_get_active_cell (GTK_SHEET (de->var_sheet), &row, &col);
+ gtk_sheet_set_active_cell (GTK_SHEET (de->var_sheet), var, col);
+ gtk_sheet_moveto (GTK_SHEET (de->var_sheet), var, col, 0.5, 0.5);
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ };
+ }
+ break;
+ case PROP_CURRENT_CASE:
+ {
+ gint row, col;
+ gint case_num = g_value_get_long (value);
+ gtk_sheet_get_active_cell (GTK_SHEET (de->data_sheet), &row, &col);
+ gtk_sheet_set_active_cell (GTK_SHEET (de->data_sheet), case_num, col);
+ gtk_sheet_moveto (GTK_SHEET (de->data_sheet), case_num, col, 0.5, 0.5);
+ }
+ break;
+ case PROP_VALUE_LABELS:
+ {
+ psppire_data_store_show_labels (de->data_store,
+ g_value_get_boolean (value));
+ }
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ };
+}
+
+static void
+psppire_data_editor_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ PsppireDataEditor *de = PSPPIRE_DATA_EDITOR (object);
+
+ switch (prop_id)
+ {
+ case PROP_DATA_STORE:
+ g_value_set_pointer (value, de->data_store);
+ break;
+ case PROP_VAR_STORE:
+ g_value_set_pointer (value, de->var_store);
+ break;
+ case PROP_CURRENT_CASE:
+ {
+ gint row, column;
+ gtk_sheet_get_active_cell (GTK_SHEET (de->data_sheet), &row, &column);
+ g_value_set_long (value, row);
+ }
+ break;
+ case PROP_CURRENT_VAR:
+ {
+ gint row, column;
+ gtk_sheet_get_active_cell (GTK_SHEET (de->data_sheet), &row, &column);
+ g_value_set_long (value, column);
+ }
+ break;
+ case PROP_DATA_SELECTED:
+ g_value_set_boolean (value, data_is_selected (de));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ };
+}
+
+
+static void
+psppire_data_editor_class_init (PsppireDataEditorClass *klass)
+{
+ GParamSpec *data_store_spec ;
+ GParamSpec *var_store_spec ;
+ GParamSpec *column_menu_spec;
+ GParamSpec *row_menu_spec;
+ GParamSpec *value_labels_spec;
+ GParamSpec *current_case_spec;
+ GParamSpec *current_var_spec;
+ GParamSpec *data_selected_spec;
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ object_class->dispose = psppire_data_editor_dispose;
+ object_class->finalize = psppire_data_editor_finalize;
+
+ object_class->set_property = psppire_data_editor_set_property;
+ object_class->get_property = psppire_data_editor_get_property;
+
+ data_store_spec =
+ g_param_spec_pointer ("data-store",
+ "Data Store",
+ "A pointer to the data store associated with this editor",
+ G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE | G_PARAM_READABLE );
+
+ g_object_class_install_property (object_class,
+ PROP_DATA_STORE,
+ data_store_spec);
+
+ var_store_spec =
+ g_param_spec_pointer ("var-store",
+ "Variable Store",
+ "A pointer to the variable store associated with this editor",
+ G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE | G_PARAM_READABLE );
+
+ g_object_class_install_property (object_class,
+ PROP_VAR_STORE,
+ var_store_spec);
+
+ column_menu_spec =
+ g_param_spec_object ("column-menu",
+ "Column Menu",
+ "A menu to be displayed when button 3 is pressed in the column title buttons",
+ GTK_TYPE_MENU,
+ G_PARAM_WRITABLE);
+
+ g_object_class_install_property (object_class,
+ PROP_COLUMN_MENU,
+ column_menu_spec);
+
+
+ row_menu_spec =
+ g_param_spec_object ("row-menu",
+ "Row Menu",
+ "A menu to be displayed when button 3 is pressed in the row title buttons",
+ GTK_TYPE_MENU,
+ G_PARAM_WRITABLE);
+
+ g_object_class_install_property (object_class,
+ PROP_ROW_MENU,
+ row_menu_spec);
+
+ value_labels_spec =
+ g_param_spec_boolean ("value-labels",
+ "Value Labels",
+ "Whether or not the data sheet should display labels instead of values",
+ FALSE,
+ G_PARAM_WRITABLE | G_PARAM_READABLE);
+
+ g_object_class_install_property (object_class,
+ PROP_VALUE_LABELS,
+ value_labels_spec);
+
+
+ current_case_spec =
+ g_param_spec_long ("current-case",
+ "Current Case",
+ "Zero based number of the selected case",
+ 0, CASENUMBER_MAX,
+ 0,
+ G_PARAM_WRITABLE | G_PARAM_READABLE);
+
+ g_object_class_install_property (object_class,
+ PROP_CURRENT_CASE,
+ current_case_spec);
+
+
+ current_var_spec =
+ g_param_spec_long ("current-variable",
+ "Current Variable",
+ "Zero based number of the selected variable",
+ 0, G_MAXINT,
+ 0,
+ G_PARAM_WRITABLE | G_PARAM_READABLE);
+
+ g_object_class_install_property (object_class,
+ PROP_CURRENT_VAR,
+ current_var_spec);
+
+
+ data_selected_spec =
+ g_param_spec_boolean ("data-selected",
+ "Data Selected",
+ "True iff the data view is active and one or more cells of data have been selected.",
+ FALSE,
+ G_PARAM_READABLE);
+
+ g_object_class_install_property (object_class,
+ PROP_DATA_SELECTED,
+ data_selected_spec);
+
+
+
+ data_editor_signals [DATA_SELECTION_CHANGED] =
+ g_signal_new ("data-selection-changed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__BOOLEAN,
+ G_TYPE_NONE,
+ 1,
+ G_TYPE_BOOLEAN);
+
+ data_editor_signals [CASES_SELECTED] =
+ g_signal_new ("cases-selected",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE,
+ 1,
+ G_TYPE_INT);
+
+
+ data_editor_signals [VARIABLES_SELECTED] =
+ g_signal_new ("variables-selected",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE,
+ 1,
+ G_TYPE_INT);
+
+
+ data_editor_signals [DATA_AVAILABLE_CHANGED] =
+ g_signal_new ("data-available-changed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__BOOLEAN,
+ G_TYPE_NONE,
+ 1,
+ G_TYPE_BOOLEAN);
+}
+
+/* Update the data_ref_entry with the reference of the active cell */
+static gint
+update_data_ref_entry (const GtkSheet *sheet, gint row, gint col, gpointer data)
+{
+ PsppireDataEditor *de = data;
+
+ PsppireDataStore *data_store =
+ PSPPIRE_DATA_STORE (gtk_sheet_get_model (sheet));
+
+ if (data_store)
+ {
+ const struct variable *var =
+ psppire_dict_get_variable (data_store->dict, col);
+
+ if ( var )
+ {
+ gchar *text = g_strdup_printf ("%d: %s", row + FIRST_CASE_NUMBER,
+ var_get_name (var));
+
+ gchar *s = pspp_locale_to_utf8 (text, -1, 0);
+
+ g_free (text);
+
+ gtk_entry_set_text (GTK_ENTRY (de->cell_ref_entry), s);
+
+ g_free (s);
+ }
+ else
+ goto blank_entry;
+
+ if ( var )
+ {
+ gchar *text =
+ psppire_data_store_get_string (data_store, row,
+ var_get_dict_index(var));
+
+ if ( ! text )
+ goto blank_entry;
+
+ g_strchug (text);
+
+ gtk_entry_set_text (GTK_ENTRY (de->datum_entry), text);
+
+ g_free (text);
+ }
+ else
+ goto blank_entry;
+
+ }
+
+ return FALSE;
+
+ blank_entry:
+ gtk_entry_set_text (GTK_ENTRY (de->datum_entry), "");
+
+ return FALSE;
+}
+
+
+static void
+datum_entry_activate (GtkEntry *entry, gpointer data)
+{
+ gint row, column;
+ PsppireDataEditor *de = data;
+
+ const gchar *text = gtk_entry_get_text (entry);
+
+ gtk_sheet_get_active_cell (GTK_SHEET (de->data_sheet), &row, &column);
+
+ if ( row == -1 || column == -1)
+ return;
+
+ psppire_data_store_set_string (de->data_store, text, row, column);
+}
+
+
+static void on_activate (PsppireDataEditor *de);
+static void on_deactivate (PsppireDataEditor *de);
+static gboolean on_switch_page (PsppireDataEditor *de, GtkNotebookPage *p, gint pagenum, gpointer data);
+static void on_select_range (PsppireDataEditor *de);
+
+static void on_select_row (GtkSheet *, gint, PsppireDataEditor *);
+static void on_select_variable (GtkSheet *, gint, PsppireDataEditor *);
+
+
+static void on_owner_change (GtkClipboard *,
+ GdkEventOwnerChange *, gpointer);
+
+static void
+on_map (GtkWidget *w)
+{
+ GtkClipboard *clip = gtk_widget_get_clipboard (w, GDK_SELECTION_CLIPBOARD);
+
+ g_signal_connect (clip, "owner-change", G_CALLBACK (on_owner_change), w);
+}
+
+
+static void
+psppire_data_editor_init (PsppireDataEditor *de)
+{
+ GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
+ GtkWidget *hbox = gtk_hbox_new (FALSE, 0);
+ GtkWidget *sw_ds = gtk_scrolled_window_new (NULL, NULL);
+ GtkWidget *sw_vs = gtk_scrolled_window_new (NULL, NULL);
+
+
+ de->data_sheet = gtk_sheet_new (NULL, NULL, NULL);
+ de->var_sheet = psppire_var_sheet_new ();
+
+ g_object_set (de, "tab-pos", GTK_POS_BOTTOM, NULL);
+
+ de->datum_entry = gtk_entry_new ();
+ de->cell_ref_entry = gtk_entry_new ();
+
+ g_object_set (de->cell_ref_entry,
+ "sensitive", FALSE,
+ "editable", FALSE,
+ "width_chars", 25,
+ NULL);
+
+ gtk_box_pack_start (GTK_BOX (hbox), de->cell_ref_entry, FALSE, FALSE, 0);
+ gtk_box_pack_start (GTK_BOX (hbox), de->datum_entry, TRUE, TRUE, 0);
+
+
+ gtk_container_add (GTK_CONTAINER (sw_vs), de->var_sheet);
+ gtk_widget_show_all (sw_vs);
+
+
+ gtk_container_add (GTK_CONTAINER (sw_ds), de->data_sheet);
+ gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+ gtk_box_pack_start (GTK_BOX (vbox), sw_ds, TRUE, TRUE, 0);
+
+ gtk_widget_show_all (vbox);
+
+ gtk_notebook_append_page (GTK_NOTEBOOK (de), vbox,
+ gtk_label_new_with_mnemonic (_("Data View")));
+
+ gtk_notebook_append_page (GTK_NOTEBOOK (de), sw_vs,
+ gtk_label_new_with_mnemonic (_("Variable View")));
+
+ g_signal_connect (de->data_sheet, "activate",
+ G_CALLBACK (update_data_ref_entry),
+ de);
+
+ g_signal_connect (de->datum_entry, "activate",
+ G_CALLBACK (datum_entry_activate),
+ de);
+
+
+ g_signal_connect_swapped (de->data_sheet,
+ "double-click-column",
+ G_CALLBACK (on_data_column_clicked),
+ de);
+
+ g_signal_connect_swapped (de->var_sheet,
+ "double-click-row",
+ G_CALLBACK (on_var_row_clicked),
+ de);
+
+ g_signal_connect_swapped (de->data_sheet, "activate",
+ G_CALLBACK (on_activate),
+ de);
+
+ g_signal_connect_swapped (de->data_sheet, "deactivate",
+ G_CALLBACK (on_deactivate),
+ de);
+
+ g_signal_connect_swapped (de->data_sheet, "select-range",
+ G_CALLBACK (on_select_range),
+ de);
+
+ g_signal_connect (de->data_sheet, "select-row",
+ G_CALLBACK (on_select_row), de);
+
+ g_signal_connect (de->data_sheet, "select-column",
+ G_CALLBACK (on_select_variable), de);
+
+
+ g_signal_connect (de->var_sheet, "select-row",
+ G_CALLBACK (on_select_variable), de);
+
+
+ g_signal_connect_after (de, "switch-page",
+ G_CALLBACK (on_switch_page),
+ NULL);
+
+
+ g_signal_connect (de, "map", G_CALLBACK (on_map), NULL);
+
+ de->dispose_has_run = FALSE;
+}
+
+
+GtkWidget*
+psppire_data_editor_new (PsppireVarStore *var_store,
+ PsppireDataStore *data_store)
+{
+ GtkWidget *widget;
+
+ widget = g_object_new (PSPPIRE_DATA_EDITOR_TYPE,
+ "var-store", var_store,
+ "data-store", data_store,
+ NULL);
+
+ return widget;
+}
+
+static void data_sheet_set_clip (GtkSheet *sheet);
+static void data_sheet_contents_received_callback (GtkClipboard *clipboard,
+ GtkSelectionData *sd,
+ gpointer data);
+
+
+void
+psppire_data_editor_clip_copy (PsppireDataEditor *de)
+{
+ data_sheet_set_clip (GTK_SHEET (de->data_sheet));
+}
+
+void
+psppire_data_editor_clip_paste (PsppireDataEditor *de)
+{
+ GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
+
+ gtk_clipboard_request_contents (clipboard,
+ gdk_atom_intern ("UTF8_STRING", TRUE),
+ data_sheet_contents_received_callback,
+ de);
+}
+
+
+
+void
+psppire_data_editor_clip_cut (PsppireDataEditor *de)
+{
+ gint max_rows, max_columns;
+ gint r;
+ GtkSheetRange range;
+ PsppireDataStore *ds = de->data_store;
+
+ data_sheet_set_clip (GTK_SHEET (de->data_sheet));
+
+ /* Now blank all the cells */
+ gtk_sheet_get_selected_range (GTK_SHEET (de->data_sheet), &range);
+
+ /* If nothing selected, then use active cell */
+ if ( range.row0 < 0 || range.col0 < 0 )
+ {
+ gint row, col;
+ gtk_sheet_get_active_cell (GTK_SHEET (de->data_sheet), &row, &col);
+
+ range.row0 = range.rowi = row;
+ range.col0 = range.coli = col;
+ }
+
+ /* The sheet range can include cells that do not include data.
+ Exclude them from the range. */
+ max_rows = psppire_data_store_get_case_count (ds);
+ if (range.rowi >= max_rows)
+ {
+ if (max_rows == 0)
+ return;
+ range.rowi = max_rows - 1;
+ }
+
+ max_columns = dict_get_var_cnt (ds->dict->dict);
+ if (range.coli >= max_columns)
+ {
+ if (max_columns == 0)
+ return;
+ range.coli = max_columns - 1;
+ }
+
+ g_return_if_fail (range.rowi >= range.row0);
+ g_return_if_fail (range.row0 >= 0);
+ g_return_if_fail (range.coli >= range.col0);
+ g_return_if_fail (range.col0 >= 0);
+
+
+ for (r = range.row0; r <= range.rowi ; ++r )
+ {
+ gint c;
+
+ for (c = range.col0 ; c <= range.coli; ++c)
+ {
+ psppire_data_store_set_string (ds, "", r, c);
+ }
+ }
+
+ /* and remove the selection */
+ gtk_sheet_unselect_range (GTK_SHEET (de->data_sheet));
+}
+
+
+\f
+
+/* Popup menu related stuff */
+
+static void
+popup_variable_menu (GtkSheet *sheet, gint column,
+ GdkEventButton *event, gpointer data)
+{
+ GtkMenu *menu = GTK_MENU (data);
+
+ PsppireDataStore *data_store =
+ PSPPIRE_DATA_STORE (gtk_sheet_get_model (sheet));
+
+ const struct variable *v =
+ psppire_dict_get_variable (data_store->dict, column);
+
+ if ( v && event->button == 3)
+ {
+ gtk_sheet_select_column (sheet, column);
+
+ gtk_menu_popup (menu,
+ NULL, NULL, NULL, NULL,
+ event->button, event->time);
+ }
+}
+
+
+static void
+popup_cases_menu (GtkSheet *sheet, gint row,
+ GdkEventButton *event, gpointer data)
+{
+ GtkMenu *menu = GTK_MENU (data);
+
+ PsppireDataStore *data_store =
+ PSPPIRE_DATA_STORE (gtk_sheet_get_model (sheet));
+
+ if ( row <= psppire_data_store_get_case_count (data_store) &&
+ event->button == 3)
+ {
+ gtk_sheet_select_row (sheet, row);
+
+ gtk_menu_popup (menu,
+ NULL, NULL, NULL, NULL,
+ event->button, event->time);
+ }
+}
+
+\f
+
+/* Sorting */
+
+static void
+do_sort (PsppireDataStore *ds, int var, gboolean descend)
+{
+ GString *string = g_string_new ("SORT CASES BY ");
+
+ const struct variable *v =
+ psppire_dict_get_variable (ds->dict, var);
+
+ g_string_append_printf (string, "%s", var_get_name (v));
+
+ if ( descend )
+ g_string_append (string, " (D)");
+
+ g_string_append (string, ".");
+
+ execute_syntax (create_syntax_string_source (string->str));
+
+ g_string_free (string, TRUE);
+}
+
+
+/* Sort the data by the the variable which the editor has currently
+ selected */
+void
+psppire_data_editor_sort_ascending (PsppireDataEditor *de)
+{
+ GtkSheetRange range;
+ gtk_sheet_get_selected_range (GTK_SHEET(de->data_sheet), &range);
+
+ do_sort (de->data_store, range.col0, FALSE);
+}
+
+
+/* Sort the data by the the variable which the editor has currently
+ selected */
+void
+psppire_data_editor_sort_descending (PsppireDataEditor *de)
+{
+ GtkSheetRange range;
+ gtk_sheet_get_selected_range (GTK_SHEET(de->data_sheet), &range);
+
+ do_sort (de->data_store, range.col0, TRUE);
+}
+
+
+\f
+
+
+/* Insert a new variable before the currently selected position */
+void
+psppire_data_editor_insert_variable (PsppireDataEditor *de)
+{
+ glong posn = -1;
+
+ if ( de->data_sheet->state == GTK_SHEET_COLUMN_SELECTED )
+ posn = GTK_SHEET (de->data_sheet)->range.col0;
+ else
+ posn = GTK_SHEET (de->data_sheet)->active_cell.col;
+
+ if ( posn == -1 ) posn = 0;
+
+ psppire_dict_insert_variable (de->data_store->dict, posn, NULL);
+}
+
+/* Insert a new case before the currently selected position */
+void
+psppire_data_editor_insert_case (PsppireDataEditor *de)
+{
+ glong posn = -1;
+
+ if ( de->data_sheet->state == GTK_SHEET_ROW_SELECTED )
+ posn = GTK_SHEET (de->data_sheet)->range.row0;
+ else
+ posn = GTK_SHEET (de->data_sheet)->active_cell.row;
+
+ if ( posn == -1 ) posn = 0;
+
+ psppire_data_store_insert_new_case (de->data_store, posn);
+}
+
+/* Delete the cases currently selected in the data sheet */
+void
+psppire_data_editor_delete_cases (PsppireDataEditor *de)
+{
+ gint first = GTK_SHEET (de->data_sheet)->range.row0;
+ gint n = GTK_SHEET (de->data_sheet)->range.rowi - first + 1;
+
+ psppire_data_store_delete_cases (de->data_store, first, n);
+
+ gtk_sheet_unselect_range (GTK_SHEET (de->data_sheet));
+}
+
+/* Delete the variables currently selected in the
+ datasheet or variable sheet */
+void
+psppire_data_editor_delete_variables (PsppireDataEditor *de)
+{
+ gint first, n;
+
+ switch (gtk_notebook_get_current_page (GTK_NOTEBOOK (de)))
+ {
+ case PSPPIRE_DATA_EDITOR_DATA_VIEW:
+ first = GTK_SHEET (de->data_sheet)->range.col0;
+ n = GTK_SHEET (de->data_sheet)->range.coli - first + 1;
+ break;
+ case PSPPIRE_DATA_EDITOR_VARIABLE_VIEW:
+ first = GTK_SHEET (de->var_sheet)->range.row0;
+ n = GTK_SHEET (de->var_sheet)->range.rowi - first + 1;
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+
+ psppire_dict_delete_variables (de->var_store->dict, first, n);
+
+ gtk_sheet_unselect_range (GTK_SHEET (de->data_sheet));
+ gtk_sheet_unselect_range (GTK_SHEET (de->var_sheet));
+}
+
+
+void
+psppire_data_editor_show_grid (PsppireDataEditor *de, gboolean grid_visible)
+{
+ gtk_sheet_show_grid (GTK_SHEET (de->var_sheet), grid_visible);
+ gtk_sheet_show_grid (GTK_SHEET (de->data_sheet), grid_visible);
+}
+
+void
+psppire_data_editor_set_font (PsppireDataEditor *de, PangoFontDescription *font_desc)
+{
+ psppire_data_store_set_font (de->data_store, font_desc);
+ psppire_var_store_set_font (de->var_store, font_desc);
+}
+
+
+\f
+
+
+static void
+emit_selected_signal (PsppireDataEditor *de)
+{
+ gboolean data_selected = data_is_selected (de);
+
+ g_signal_emit (de, data_editor_signals[DATA_SELECTION_CHANGED], 0, data_selected);
+}
+
+static void
+on_activate (PsppireDataEditor *de)
+{
+ gint row, col;
+ gtk_sheet_get_active_cell (GTK_SHEET (de->data_sheet), &row, &col);
+
+ if ( row < psppire_data_store_get_case_count (de->data_store)
+ &&
+ col < psppire_var_store_get_var_cnt (de->var_store))
+ {
+ emit_selected_signal (de);
+ return ;
+ }
+
+ emit_selected_signal (de);
+}
+
+
+static void
+on_deactivate (PsppireDataEditor *de)
+{
+ emit_selected_signal (de);
+}
+
+static void
+on_select_range (PsppireDataEditor *de)
+{
+ GtkSheetRange range;
+
+ gtk_sheet_get_selected_range (GTK_SHEET (de->data_sheet), &range);
+
+ if ( range.rowi < psppire_data_store_get_case_count (de->data_store)
+ &&
+ range.coli < psppire_var_store_get_var_cnt (de->var_store))
+ {
+ emit_selected_signal (de);
+ return;
+ }
+
+ emit_selected_signal (de);
+}
+
+
+static gboolean
+on_switch_page (PsppireDataEditor *de, GtkNotebookPage *p, gint pagenum, gpointer data)
+{
+ if ( pagenum != PSPPIRE_DATA_EDITOR_DATA_VIEW )
+ {
+ emit_selected_signal (de);
+ return TRUE;
+ }
+
+ on_select_range (de);
+
+ return TRUE;
+}
+
+
+
+static gboolean
+data_is_selected (PsppireDataEditor *de)
+{
+ GtkSheetRange range;
+ gint row, col;
+
+ if ( gtk_notebook_current_page (GTK_NOTEBOOK (de)) != PSPPIRE_DATA_EDITOR_DATA_VIEW)
+ return FALSE;
+
+ gtk_sheet_get_active_cell (GTK_SHEET (de->data_sheet), &row, &col);
+
+ if ( row >= psppire_data_store_get_case_count (de->data_store)
+ ||
+ col >= psppire_var_store_get_var_cnt (de->var_store))
+ {
+ return FALSE;
+ }
+
+ gtk_sheet_get_selected_range (GTK_SHEET (de->data_sheet), &range);
+
+ if ( range.rowi >= psppire_data_store_get_case_count (de->data_store)
+ ||
+ range.coli >= psppire_var_store_get_var_cnt (de->var_store))
+ {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+
+static void
+on_select_row (GtkSheet *sheet, gint row, PsppireDataEditor *de)
+{
+ g_signal_emit (de, data_editor_signals[CASES_SELECTED], 0, row);
+}
+
+
+static void
+on_select_variable (GtkSheet *sheet, gint var, PsppireDataEditor *de)
+{
+ g_signal_emit (de, data_editor_signals[VARIABLES_SELECTED], 0, var);
+}
+
+
+\f
+
+/* Clipboard stuff */
+
+
+#include <data/casereader.h>
+#include <data/case-map.h>
+#include <data/casewriter.h>
+
+#include <data/data-out.h>
+#include "xalloc.h"
+
+/* A casereader and dictionary holding the data currently in the clip */
+static struct casereader *clip_datasheet = NULL;
+static struct dictionary *clip_dict = NULL;
+
+
+static void data_sheet_update_clipboard (GtkSheet *);
+
+/* Set the clip according to the currently
+ selected range in the data sheet */
+static void
+data_sheet_set_clip (GtkSheet *sheet)
+{
+ int i;
+ struct casewriter *writer ;
+ GtkSheetRange range;
+ PsppireDataStore *ds;
+ struct case_map *map = NULL;
+ casenumber max_rows;
+ size_t max_columns;
+
+ ds = PSPPIRE_DATA_STORE (gtk_sheet_get_model (sheet));
+
+ gtk_sheet_get_selected_range (sheet, &range);
+
+ /* If nothing selected, then use active cell */
+ if ( range.row0 < 0 || range.col0 < 0 )
+ {
+ gint row, col;
+ gtk_sheet_get_active_cell (sheet, &row, &col);
+
+ range.row0 = range.rowi = row;
+ range.col0 = range.coli = col;
+ }
+
+ /* The sheet range can include cells that do not include data.
+ Exclude them from the range. */
+ max_rows = psppire_data_store_get_case_count (ds);
+ if (range.rowi >= max_rows)
+ {
+ if (max_rows == 0)
+ return;
+ range.rowi = max_rows - 1;
+ }
+ max_columns = dict_get_var_cnt (ds->dict->dict);
+ if (range.coli >= max_columns)
+ {
+ if (max_columns == 0)
+ return;
+ range.coli = max_columns - 1;
+ }
+
+ g_return_if_fail (range.rowi >= range.row0);
+ g_return_if_fail (range.row0 >= 0);
+ g_return_if_fail (range.coli >= range.col0);
+ g_return_if_fail (range.col0 >= 0);
+
+ /* Destroy any existing clip */
+ if ( clip_datasheet )
+ {
+ casereader_destroy (clip_datasheet);
+ clip_datasheet = NULL;
+ }
+
+ if ( clip_dict )
+ {
+ dict_destroy (clip_dict);
+ clip_dict = NULL;
+ }
+
+ /* Construct clip dictionary. */
+ clip_dict = dict_create ();
+ for (i = range.col0; i <= range.coli; i++)
+ {
+ const struct variable *old = dict_get_var (ds->dict->dict, i);
+ dict_clone_var_assert (clip_dict, old, var_get_name (old));
+ }
+
+ /* Construct clip data. */
+ map = case_map_by_name (ds->dict->dict, clip_dict);
+ writer = autopaging_writer_create (dict_get_next_value_idx (clip_dict));
+ for (i = range.row0; i <= range.rowi ; ++i )
+ {
+ struct ccase old;
+
+ if (psppire_case_file_get_case (ds->case_file, i, &old))
+ {
+ struct ccase new;
+
+ case_map_execute (map, &old, &new);
+ case_destroy (&old);
+ casewriter_write (writer, &new);
+ }
+ else
+ casewriter_force_error (writer);
+ }
+ case_map_destroy (map);
+
+ clip_datasheet = casewriter_make_reader (writer);
+
+ data_sheet_update_clipboard (sheet);
+}
+
+enum {
+ SELECT_FMT_NULL,
+ SELECT_FMT_TEXT,
+ SELECT_FMT_HTML
+};
+
+
+/* Perform data_out for case CC, variable V, appending to STRING */
+static void
+data_out_g_string (GString *string, const struct variable *v,
+ const struct ccase *cc)
+{
+ char *buf ;
+
+ const struct fmt_spec *fs = var_get_print_format (v);
+ const union value *val = case_data (cc, v);
+ buf = xzalloc (fs->w);
+
+ data_out (val, fs, buf);
+
+ g_string_append_len (string, buf, fs->w);
+
+ g_free (buf);
+}
+
+static GString *
+clip_to_text (void)
+{
+ casenumber r;
+ GString *string;
+
+ const size_t val_cnt = casereader_get_value_cnt (clip_datasheet);
+ const casenumber case_cnt = casereader_get_case_cnt (clip_datasheet);
+ const size_t var_cnt = dict_get_var_cnt (clip_dict);
+
+ string = g_string_sized_new (10 * val_cnt * case_cnt);
+
+ for (r = 0 ; r < case_cnt ; ++r )
+ {
+ int c;
+ struct ccase cc;
+ if ( ! casereader_peek (clip_datasheet, r, &cc))
+ {
+ g_warning ("Clipboard seems to have inexplicably shrunk");
+ break;
+ }
+
+ for (c = 0 ; c < var_cnt ; ++c)
+ {
+ const struct variable *v = dict_get_var (clip_dict, c);
+ data_out_g_string (string, v, &cc);
+ if ( c < val_cnt - 1 )
+ g_string_append (string, "\t");
+ }
+
+ if ( r < case_cnt)
+ g_string_append (string, "\n");
+
+ case_destroy (&cc);
+ }
+
+ return string;
+}
+
+
+static GString *
+clip_to_html (void)
+{
+ casenumber r;
+ GString *string;
+
+ const size_t val_cnt = casereader_get_value_cnt (clip_datasheet);
+ const casenumber case_cnt = casereader_get_case_cnt (clip_datasheet);
+ const size_t var_cnt = dict_get_var_cnt (clip_dict);
+
+
+ /* Guestimate the size needed */
+ string = g_string_sized_new (20 * val_cnt * case_cnt);
+
+ g_string_append (string, "<table>\n");
+ for (r = 0 ; r < case_cnt ; ++r )
+ {
+ int c;
+ struct ccase cc;
+ if ( ! casereader_peek (clip_datasheet, r, &cc))
+ {
+ g_warning ("Clipboard seems to have inexplicably shrunk");
+ break;
+ }
+ g_string_append (string, "<tr>\n");
+
+ for (c = 0 ; c < var_cnt ; ++c)
+ {
+ const struct variable *v = dict_get_var (clip_dict, c);
+ g_string_append (string, "<td>");
+ data_out_g_string (string, v, &cc);
+ g_string_append (string, "</td>\n");
+ }
+
+ g_string_append (string, "</tr>\n");
+
+ case_destroy (&cc);
+ }
+ g_string_append (string, "</table>\n");
+
+ return string;
+}
+
+
+
+static void
+clipboard_get_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data)
+{
+ GString *string = NULL;
+
+ switch (info)
+ {
+ case SELECT_FMT_TEXT:
+ string = clip_to_text ();
+ break;
+ case SELECT_FMT_HTML:
+ string = clip_to_html ();
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+
+ gtk_selection_data_set (selection_data, selection_data->target,
+ 8,
+ (const guchar *) string->str, string->len);
+
+ g_string_free (string, TRUE);
+}
+
+static void
+clipboard_clear_cb (GtkClipboard *clipboard,
+ gpointer data)
+{
+ dict_destroy (clip_dict);
+ clip_dict = NULL;
+
+ casereader_destroy (clip_datasheet);
+ clip_datasheet = NULL;
+}
+
+
+static const GtkTargetEntry targets[] = {
+ { "UTF8_STRING", 0, SELECT_FMT_TEXT },
+ { "STRING", 0, SELECT_FMT_TEXT },
+ { "TEXT", 0, SELECT_FMT_TEXT },
+ { "COMPOUND_TEXT", 0, SELECT_FMT_TEXT },
+ { "text/plain;charset=utf-8", 0, SELECT_FMT_TEXT },
+ { "text/plain", 0, SELECT_FMT_TEXT },
+ { "text/html", 0, SELECT_FMT_HTML }
+};
+
+
+
+static void
+data_sheet_update_clipboard (GtkSheet *sheet)
+{
+ GtkClipboard *clipboard =
+ gtk_widget_get_clipboard (GTK_WIDGET (sheet),
+ GDK_SELECTION_CLIPBOARD);
+
+ if (!gtk_clipboard_set_with_owner (clipboard, targets,
+ G_N_ELEMENTS (targets),
+ clipboard_get_cb, clipboard_clear_cb,
+ G_OBJECT (sheet)))
+ clipboard_clear_cb (clipboard, sheet);
+}
+
+
+
+/* A callback for when the clipboard contents have been received */
+static void
+data_sheet_contents_received_callback (GtkClipboard *clipboard,
+ GtkSelectionData *sd,
+ gpointer data)
+{
+ gint count = 0;
+ gint row, column;
+ gint next_row, next_column;
+ gint first_column;
+ char *c;
+ PsppireDataEditor *data_editor = data;
+
+ if ( sd->length < 0 )
+ return;
+
+ if ( sd->type != gdk_atom_intern ("UTF8_STRING", FALSE))
+ return;
+
+ c = (char *) sd->data;
+
+ /* Paste text to selected position */
+ gtk_sheet_get_active_cell (GTK_SHEET (data_editor->data_sheet),
+ &row, &column);
+
+ g_return_if_fail (row >= 0);
+ g_return_if_fail (column >= 0);
+
+ first_column = column;
+ next_row = row;
+ next_column = column;
+ while (count < sd->length)
+ {
+ char *s = c;
+
+ row = next_row;
+ column = next_column;
+ while (*c != '\t' && *c != '\n' && count < sd->length)
+ {
+ c++;
+ count++;
+ }
+ if ( *c == '\t')
+ {
+ next_row = row ;
+ next_column = column + 1;
+ }
+ else if ( *c == '\n')
+ {
+ next_row = row + 1;
+ next_column = first_column;
+ }
+ *c++ = '\0';
+ count++;
+
+
+ /* Append some new cases if pasting beyond the last row */
+ if ( row >= psppire_data_store_get_case_count (data_editor->data_store))
+ psppire_data_store_insert_new_case (data_editor->data_store, row);
+
+ psppire_data_store_set_string (data_editor->data_store, s, row, column);
+ }
+}
+
+
+static void
+on_owner_change (GtkClipboard *clip, GdkEventOwnerChange *event, gpointer data)
+{
+ gint i;
+ gboolean compatible_target = FALSE;
+ PsppireDataEditor *de = PSPPIRE_DATA_EDITOR (data);
+
+ for (i = 0 ; i < sizeof (targets) / sizeof(targets[0]) ; ++i )
+ {
+ GdkAtom atom = gdk_atom_intern (targets[i].target, TRUE);
+ if ( gtk_clipboard_wait_is_target_available (clip, atom))
+ {
+ compatible_target = TRUE;
+ break;
+ }
+ }
+
+ g_signal_emit (de, data_editor_signals[DATA_AVAILABLE_CHANGED], 0,
+ compatible_target);
+}