path: root/a11y/e-table/gal-a11y-e-cell-tree.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Authors: 
 *   Tim Wo <tim.wo@sun.com>, Sun Microsystem Inc. 2003.
 *
 * Copyright (C) 2002 Ximian, Inc.
 */

#include <config.h>
#include <atk/atkaction.h>
#include "gal-a11y-e-cell-tree.h"
#include "gal-a11y-util.h"
#include "gal/e-table/e-cell-tree.h"
#include "gal/e-table/e-table.h"
#include "gal/e-table/e-tree-table-adapter.h"

#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yECellTreeClass))
static AtkObjectClass *a11y_parent_class;
#define A11Y_PARENT_TYPE (gal_a11y_e_cell_get_type ())

static void
ectr_do_action_expand (AtkAction *action)
{
    GalA11yECell *a11y;
    ETableModel *table_model;
        ETreePath node;
    ETreeModel *tree_model;
        ETreeTableAdapter *tree_table_adapter;
        
        a11y = GAL_A11Y_E_CELL (action);
    table_model = a11y->item->table_model;
    node = e_table_model_value_at (table_model, -1, a11y->row);
    tree_model = e_table_model_value_at (table_model, -2, a11y->row);
    tree_table_adapter = e_table_model_value_at (table_model, -3, a11y->row);

    if (e_tree_model_node_is_expandable (tree_model, node)) {
        e_tree_table_adapter_node_set_expanded (tree_table_adapter,
                            node,
                            TRUE);
        gal_a11y_e_cell_add_state (a11y, ATK_STATE_EXPANDED, TRUE);
    }
}

static void
ectr_do_action_collapse (AtkAction *action)
{
    GalA11yECell *a11y;
    ETableModel *table_model;
        ETreePath node;
    ETreeModel *tree_model;
        ETreeTableAdapter *tree_table_adapter;
        
        a11y = GAL_A11Y_E_CELL (action);
    table_model = a11y->item->table_model;
        node = e_table_model_value_at (table_model, -1, a11y->row);
    tree_model = e_table_model_value_at (table_model, -2, a11y->row);
        tree_table_adapter = e_table_model_value_at (table_model, -3, a11y->row);

    if (e_tree_model_node_is_expandable (tree_model, node)) {
        e_tree_table_adapter_node_set_expanded (tree_table_adapter,
                            node,
                            FALSE);
        gal_a11y_e_cell_remove_state (a11y, ATK_STATE_EXPANDED, TRUE);
    }
}

static void
ectr_class_init (GalA11yECellTreeClass *klass)
{
    a11y_parent_class        = g_type_class_ref (A11Y_PARENT_TYPE);
}

static void
ectr_init (GalA11yECellTree *a11y)
{
}

GType
gal_a11y_e_cell_tree_get_type (void)
{
    static GType type = 0;

    if (!type) {
        GTypeInfo info = {
            sizeof (GalA11yECellTreeClass),
            (GBaseInitFunc) NULL,
            (GBaseFinalizeFunc) NULL,
            (GClassInitFunc) ectr_class_init,
            (GClassFinalizeFunc) NULL,
            NULL, /* class_data */
            sizeof (GalA11yECellTree),
            0,
            (GInstanceInitFunc) ectr_init,
            NULL /* value_cell_text */
        };

        type = g_type_register_static (A11Y_PARENT_TYPE, "GalA11yECellTree", &info, 0);
        gal_a11y_e_cell_type_add_action_interface (type);
    }

    return type;
}

AtkObject *
gal_a11y_e_cell_tree_new (ETableItem *item,
              ECellView  *cell_view,
              AtkObject  *parent,
              int         model_col,
              int         view_col,
              int         row)
{
    GalA11yECell *a11y;
        GtkWidget *e_table;
        gint model_row;

    ECellView *subcell_view;
    subcell_view = e_cell_tree_view_get_subcell_view (cell_view);

    if (subcell_view->ecell) {
        a11y = gal_a11y_e_cell_registry_get_object (NULL,
                                item,
                                subcell_view,
                                parent,
                                model_col,
                                view_col,
                                row);
    } else {
        a11y = g_object_new (gal_a11y_e_cell_tree_get_type (), NULL);

        gal_a11y_e_cell_construct (a11y,
                       item,
                       cell_view,
                       parent,
                       model_col,
                       view_col,
                       row);
    }

    gal_a11y_e_cell_add_action (a11y,
                    "expand",
                    "expands the row in the ETree containing this cell",
                    NULL,
                    (ACTION_FUNC)ectr_do_action_expand);

    gal_a11y_e_cell_add_action (a11y,
                    "collapse",
                    "collapses the row in the ETree containing this cell",
                    NULL,
                    (ACTION_FUNC)ectr_do_action_collapse);

    gal_a11y_e_cell_add_state (a11y, ATK_STATE_EXPANDABLE, FALSE);

    return a11y;
}