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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2017 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef MODEL_H
#define	MODEL_H

#include "../ui/toolkit.h"
#include "../common/context.h"
#include "../ui/tree.h"

#ifdef	__cplusplus
extern "C" {
#endif    

typedef struct UiListModel        UiListModel;

/*
 * UiList to GtkTreeModel wrapper
 */
struct UiListModel {
    GObject  object;
    UiObject *obj;
    UiModel  *model;
    UiVar   *var;
    GType    *columntypes;
    int      numcolumns;
    int      stamp;
};

/*
 * initialize the class and register the type
 */
void ui_list_init();

/*
 * Creates a UiListModel for a given UiList
 */
UiListModel* ui_list_model_new(UiObject *obj, UiVar *var, UiModel *info);

void ui_list_model_dispose(GObject *obj);
void ui_list_model_finalize(GObject *obj);


// interface functions

GtkTreeModelFlags ui_list_model_get_flags(GtkTreeModel *tree_model);

gint ui_list_model_get_n_columns(GtkTreeModel *tree_model);

GType ui_list_model_get_column_type(GtkTreeModel *tree_model, gint index);

gboolean ui_list_model_get_iter(
        GtkTreeModel *tree_model,
        GtkTreeIter *iter,
        GtkTreePath *path);

GtkTreePath* ui_list_model_get_path(
        GtkTreeModel *tree_model,
        GtkTreeIter *iter);

void ui_list_model_get_value(
        GtkTreeModel *tree_model,
        GtkTreeIter *iter,
        gint column,
        GValue *value);

gboolean ui_list_model_iter_next(
        GtkTreeModel *tree_model,
        GtkTreeIter *iter);

gboolean ui_list_model_iter_children(
        GtkTreeModel *tree_model,
        GtkTreeIter *iter,
        GtkTreeIter *parent);

gboolean ui_list_model_iter_has_child(
        GtkTreeModel *tree_model,
        GtkTreeIter *iter);

gint ui_list_model_iter_n_children(
        GtkTreeModel *tree_model,
        GtkTreeIter *iter);

gboolean ui_list_model_iter_nth_child(
        GtkTreeModel *tree_model,
        GtkTreeIter *iter,
        GtkTreeIter *parent,
        gint n);

gboolean ui_list_model_iter_parent(
        GtkTreeModel *tree_model,
        GtkTreeIter *iter,
        GtkTreeIter *child);

/* dnd */

gboolean ui_list_model_drag_data_received(
        GtkTreeDragDest   *drag_dest,
        GtkTreePath       *dest,
        GtkSelectionData  *selection_data);

gboolean ui_list_model_row_drop_possible(
        GtkTreeDragDest   *drag_dest,
        GtkTreePath       *dest_path,
	GtkSelectionData  *selection_data);

gboolean ui_list_model_row_draggable(
        GtkTreeDragSource   *drag_source,
        GtkTreePath         *path);

gboolean ui_list_model_drag_data_get(
        GtkTreeDragSource   *drag_source,
        GtkTreePath         *path,
        GtkSelectionData    *selection_data);

gboolean ui_list_model_drag_data_delete(
        GtkTreeDragSource *drag_source,
        GtkTreePath       *path);

#ifdef	__cplusplus
}
#endif

#endif	/* MODEL_H */