/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* E-Table-Group.c: Implements the grouping objects for elements on a table
*
* Author:
* Miguel de Icaza (miguel@gnu.org()
*
* Copyright 1999, Helix Code, Inc.
*/
#include <config.h>
#include <gtk/gtksignal.h>
#include "e-table-group-leaf.h"
#include "e-table-item.h"
#include <libgnomeui/gnome-canvas-rect-ellipse.h>
#include "e-util/e-util.h"
#define TITLE_HEIGHT 16
#define GROUP_INDENT 10
#define PARENT_TYPE e_table_group_get_type ()
static GnomeCanvasGroupClass *etgl_parent_class;
/* The arguments we take */
enum {
ARG_0,
ARG_HEIGHT,
ARG_WIDTH,
ARG_FROZEN
};
static void etgl_set_arg (GtkObject *object, GtkArg *arg, guint arg_id);
static void etgl_get_arg (GtkObject *object, GtkArg *arg, guint arg_id);
static void
etgl_destroy (GtkObject *object)
{
ETableGroupLeaf *etgl = E_TABLE_GROUP_LEAF(object);
if ( etgl->subset )
gtk_object_unref(GTK_OBJECT(etgl->subset));
if ( etgl->item )
gtk_object_destroy(GTK_OBJECT(etgl->item));
if ( GTK_OBJECT_CLASS (etgl_parent_class)->destroy )
GTK_OBJECT_CLASS (etgl_parent_class)->destroy (object);
}
static void
e_table_group_leaf_construct (GnomeCanvasGroup *parent, ETableGroupLeaf *etgl,
ETableHeader *full_header,
ETableHeader *header,
ETableModel *model,
int col,
int ascending)
{
etgl->subset = E_TABLE_SUBSET_VARIABLE(e_table_sorted_variable_new(model, col, ascending, e_table_header_get_column(full_header, col)->compare));
e_table_group_construct (parent, E_TABLE_GROUP (etgl), full_header, header, model);
}
ETableGroup *
e_table_group_leaf_new (GnomeCanvasGroup *parent, ETableHeader *full_header,
ETableHeader *header,
ETableModel *model,
int col,
int ascending)
{
ETableGroupLeaf *etgl;
g_return_val_if_fail (parent != NULL, NULL);
etgl = gtk_type_new (e_table_group_leaf_get_type ());
e_table_group_leaf_construct (parent, etgl, full_header,
header, model, col, ascending);
return E_TABLE_GROUP (etgl);
}
static void
etgl_resize (GtkObject *object, gpointer data)
{
e_table_group_resize (E_TABLE_GROUP(data));
}
static void
etgl_row_selection (GtkObject *object, gint row, gboolean selected, ETableGroupLeaf *etgl)
{
if ( row < E_TABLE_SUBSET(etgl->subset)->n_map )
e_table_group_row_selection (E_TABLE_GROUP(etgl), E_TABLE_SUBSET(etgl->subset)->map_table[row], selected);
}
static void
etgl_realize (GnomeCanvasItem *item)
{
ETableGroupLeaf *etgl = E_TABLE_GROUP_LEAF(item);
gdouble height;
if ( GNOME_CANVAS_ITEM_CLASS (etgl_parent_class)->realize )
GNOME_CANVAS_ITEM_CLASS (etgl_parent_class)->realize (item);
etgl->item = E_TABLE_ITEM(gnome_canvas_item_new(GNOME_CANVAS_GROUP(etgl),
e_table_item_get_type (),
"ETableHeader", E_TABLE_GROUP(etgl)->header,
"ETableModel", etgl->subset,
"drawgrid", TRUE,
"drawfocus", TRUE,
"spreadsheet", TRUE,
"width", etgl->width,
NULL));
gtk_signal_connect(GTK_OBJECT(etgl->item), "row_selection",
GTK_SIGNAL_FUNC(etgl_row_selection), etgl);
gtk_signal_connect(GTK_OBJECT(etgl->item),
"resize", etgl_resize, etgl);
gtk_object_get(GTK_OBJECT(etgl->item),
"height", &height,
NULL);
if ( height != 1 )
e_table_group_resize(E_TABLE_GROUP(etgl));
}
static int
etgl_event (GnomeCanvasItem *item, GdkEvent *event)
{
gboolean return_val = TRUE;
switch (event->type) {
default:
return_val = FALSE;
}
if ( return_val == FALSE ) {
if ( GNOME_CANVAS_ITEM_CLASS(etgl_parent_class)->event )
return GNOME_CANVAS_ITEM_CLASS(etgl_parent_class)->event(item, event);
}
return return_val;
}
static void
etgl_add (ETableGroup *etg, gint row)
{
ETableGroupLeaf *etgl = E_TABLE_GROUP_LEAF (etg);
e_table_subset_variable_add(etgl->subset, row);
}
static gboolean
etgl_remove (ETableGroup *etg, gint row)
{
ETableGroupLeaf *etgl = E_TABLE_GROUP_LEAF (etg);
return e_table_subset_variable_remove(etgl->subset, row);
}
static void
etgl_increment (ETableGroup *etg, gint position, gint amount)
{
ETableGroupLeaf *etgl = E_TABLE_GROUP_LEAF (etg);
e_table_subset_variable_increment(etgl->subset, position, amount);
}
static void
etgl_set_focus (ETableGroup *etg, EFocus direction, gint view_col)
{
ETableGroupLeaf *etgl = E_TABLE_GROUP_LEAF (etg);
if (direction == E_FOCUS_END) {
e_table_item_focus(etgl->item, view_col, e_table_model_row_count(E_TABLE_MODEL(etgl->subset)) - 1);
} else {
e_table_item_focus(etgl->item, view_col, 0);
}
}
static gint
etgl_get_focus_column (ETableGroup *etg)
{
ETableGroupLeaf *etgl = E_TABLE_GROUP_LEAF (etg);
return e_table_item_get_focused_column(etgl->item);
}
static void
etgl_set_width (ETableGroup *etg, gdouble width)
{
ETableGroupLeaf *etgl = E_TABLE_GROUP_LEAF (etg);
etgl->width = width;
#if 0
if ( etgl->item ) {
gnome_canvas_item_set(GNOME_CANVAS_ITEM(etgl->item),
"width", width,
NULL);
}
#endif
}
static gdouble
etgl_get_width (ETableGroup *etg)
{
ETableGroupLeaf *etgl = E_TABLE_GROUP_LEAF (etg);
gtk_object_get(GTK_OBJECT(etgl->item),
"width", &etgl->width,
NULL);
return etgl->width;
}
static gdouble
etgl_get_height (ETableGroup *etg)
{
ETableGroupLeaf *etgl = E_TABLE_GROUP_LEAF (etg);
gdouble height;
if ( etgl->item )
gtk_object_get(GTK_OBJECT(etgl->item),
"height", &height,
NULL);
else
height = 1;
return height;
}
static void
etgl_set_arg (GtkObject *object, GtkArg *arg, guint arg_id)
{
ETableGroup *etg = E_TABLE_GROUP (object);
switch (arg_id) {
case ARG_FROZEN:
if ( GTK_VALUE_BOOL (*arg) )
etg->frozen = TRUE;
else {
etg->frozen = FALSE;
}
break;
case ARG_WIDTH:
if ( E_TABLE_GROUP_CLASS(GTK_OBJECT(etg)->klass)->set_width )
E_TABLE_GROUP_CLASS(GTK_OBJECT(etg)->klass)->set_width(etg, GTK_VALUE_DOUBLE (*arg));
break;
default:
break;
}
}
static void
etgl_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
{
ETableGroup *etg = E_TABLE_GROUP (object);
switch (arg_id) {
case ARG_FROZEN:
GTK_VALUE_BOOL (*arg) = etg->frozen;
break;
case ARG_HEIGHT:
if ( E_TABLE_GROUP_CLASS(GTK_OBJECT(etg)->klass)->get_height )
GTK_VALUE_DOUBLE (*arg) = E_TABLE_GROUP_CLASS(GTK_OBJECT(etg)->klass)->get_height(etg);
else
arg->type = GTK_TYPE_INVALID;
break;
case ARG_WIDTH:
if ( E_TABLE_GROUP_CLASS(GTK_OBJECT(etg)->klass)->get_width )
GTK_VALUE_DOUBLE (*arg) = E_TABLE_GROUP_CLASS(GTK_OBJECT(etg)->klass)->get_width(etg);
else
arg->type = GTK_TYPE_INVALID;
break;
default:
arg->type = GTK_TYPE_INVALID;
break;
}
}
static void
etgl_class_init (GtkObjectClass *object_class)
{
GnomeCanvasItemClass *item_class = (GnomeCanvasItemClass *) object_class;
ETableGroupClass *e_group_class = E_TABLE_GROUP_CLASS( object_class );
object_class->destroy = etgl_destroy;
object_class->set_arg = etgl_set_arg;
object_class->get_arg = etgl_get_arg;
item_class->realize = etgl_realize;
item_class->event = etgl_event;
etgl_parent_class = gtk_type_class (PARENT_TYPE);
e_group_class->add = etgl_add;
e_group_class->remove = etgl_remove;
e_group_class->increment = etgl_increment;
e_group_class->set_focus = etgl_set_focus;
e_group_class->get_focus_column = etgl_get_focus_column;
e_group_class->get_width = etgl_get_width;
e_group_class->set_width = etgl_set_width;
e_group_class->get_height = etgl_get_height;
gtk_object_add_arg_type ("ETableGroupLeaf::height", GTK_TYPE_DOUBLE,
GTK_ARG_READABLE, ARG_HEIGHT);
gtk_object_add_arg_type ("ETableGroupLeaf::width", GTK_TYPE_DOUBLE,
GTK_ARG_READWRITE, ARG_WIDTH);
gtk_object_add_arg_type ("ETableGroupLeaf::frozen", GTK_TYPE_BOOL,
GTK_ARG_READWRITE, ARG_FROZEN);
}
static void
etgl_init (GtkObject *object)
{
ETableGroupLeaf *etgl = E_TABLE_GROUP_LEAF (object);
etgl->width = 1;
etgl->subset = NULL;
etgl->item = NULL;
}
E_MAKE_TYPE (e_table_group_leaf, "ETableGroupLeaf", ETableGroupLeaf, etgl_class_init, etgl_init, PARENT_TYPE);
