/*

  * Copyright (C) 2000  Red Hat, Inc.,  Jonathan Blandford <jrb@redhat.com>

  * Copyright (C) 2010  J. Ali Harlow <ali@juiblex.co.uk>

  *

  * 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 2 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, write to the Free Software Foundation, Inc.,

  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

  */

 #include "config.h"

 #include <stdlib.h>

 #include <string.h>

 #include <glib-object.h>

 #include <gtk/gtk.h>

 #include "plover-gtk/packagefilestore.h"

 #define VALID_ITER(iter,store) ((iter) && (iter)->user_data && \

 	PLOVER_PACKAGE_FILE_STORE_GET_PRIVATE(store)->stamp==(iter)->stamp && \

 	!g_sequence_iter_is_end((iter)->user_data) && \

 	g_sequence_iter_get_sequence((iter)->user_data)== \

 	PLOVER_PACKAGE_FILE_STORE_GET_PRIVATE(store)->seq)

 static GType column_types[PLOVER_PACKAGE_FILE_STORE_NO_COLUMNS];

 static void plover_package_file_store_tree_model_init(GtkTreeModelIface *iface);

 G_DEFINE_TYPE_WITH_CODE(PloverPackageFileStore,plover_package_file_store,

   G_TYPE_OBJECT,G_IMPLEMENT_INTERFACE(GTK_TYPE_TREE_MODEL,

   plover_package_file_store_tree_model_init));

 typedef struct _PloverPackageFileStorePrivate {

     GSequence *seq;

     int stamp;

 } PloverPackageFileStorePrivate;

 #define PLOVER_PACKAGE_FILE_STORE_GET_PRIVATE(obj)\

 				G_TYPE_INSTANCE_GET_PRIVATE(obj,\

 				  PLOVER_TYPE_PACKAGE_FILE_STORE,\

 				  PloverPackageFileStorePrivate)

 static void plover_package_file_store_finalize(GObject *obj)

 {

     PloverPackageFileStorePrivate *priv=

       PLOVER_PACKAGE_FILE_STORE_GET_PRIVATE(obj);

     g_sequence_free(priv->seq);

     if (G_OBJECT_CLASS(plover_package_file_store_parent_class)->finalize)

 	G_OBJECT_CLASS(plover_package_file_store_parent_class)->finalize(obj);

 }

 static void

   plover_package_file_store_class_init(PloverPackageFileStoreClass *klass)

 {

     GObjectClass *oclass=G_OBJECT_CLASS(klass);

     oclass->finalize=plover_package_file_store_finalize;

     g_type_class_add_private(klass,sizeof(PloverPackageFileStorePrivate));

     column_types[PLOVER_PACKAGE_FILE_STORE_NAME_COLUMN]=G_TYPE_STRING;

 }

 static GtkTreeModelFlags

 plover_package_file_store_get_flags(GtkTreeModel *tree_model)

 {

     return GTK_TREE_MODEL_ITERS_PERSIST|GTK_TREE_MODEL_LIST_ONLY;

 }

 static gint plover_package_file_store_get_n_columns(GtkTreeModel *tree_model)

 {

     return PLOVER_PACKAGE_FILE_STORE_NO_COLUMNS;

 }

 static GType

   plover_package_file_store_get_column_type(GtkTreeModel *tree_model,gint indx)

 {

     PloverPackageFileStore *store=(PloverPackageFileStore *)tree_model;

     g_return_val_if_fail(indx>=0 && indx<PLOVER_PACKAGE_FILE_STORE_NO_COLUMNS,

       G_TYPE_INVALID);

     return column_types[indx];

 }

 static gboolean plover_package_file_store_get_iter(GtkTreeModel *tree_model,

   GtkTreeIter *iter,GtkTreePath *path)

 {

     int i;

     PloverPackageFileStorePrivate *priv;

     PloverPackageFileStore *store=(PloverPackageFileStore *)tree_model;

     priv=PLOVER_PACKAGE_FILE_STORE_GET_PRIVATE(store);

     i=gtk_tree_path_get_indices(path)[0];

     if (i>=g_sequence_get_length(priv->seq))

 	return FALSE;

     iter->stamp=priv->stamp;

     iter->user_data=g_sequence_get_iter_at_pos(priv->seq,i);

     return TRUE;

 }

 static GtkTreePath *

   plover_package_file_store_get_path(GtkTreeModel *tree_model,GtkTreeIter *iter)

 {

     GtkTreePath *path;

     g_return_val_if_fail(VALID_ITER(iter,tree_model),NULL);

     if (g_sequence_iter_is_end(iter->user_data))

 	return NULL;

     path=gtk_tree_path_new();

     gtk_tree_path_append_index(path,

       g_sequence_iter_get_position(iter->user_data));

     return path;

 }

 static void plover_package_file_store_get_value(GtkTreeModel *tree_model,

   GtkTreeIter *iter,gint column,GValue *value)

 {

     PloverPackageFileStore *store=(PloverPackageFileStore *)tree_model;

     char *name;

     g_return_if_fail(column>=0 && column<PLOVER_PACKAGE_FILE_STORE_NO_COLUMNS);

     g_return_if_fail(VALID_ITER(iter,store));

     name=g_sequence_get(iter->user_data);

     g_value_init(value,column_types[column]);

     switch((PloverPackageFileStoreColumn)column)

     {

 	case PLOVER_PACKAGE_FILE_STORE_NAME_COLUMN:

 	    g_value_set_string(value,name);

 	    break;

     }

 }

 static gboolean plover_package_file_store_iter_next(GtkTreeModel *tree_model,

   GtkTreeIter *iter)

 {

     g_return_val_if_fail(VALID_ITER(iter,tree_model),FALSE);

     iter->user_data=g_sequence_iter_next(iter->user_data);

     return !g_sequence_iter_is_end(iter->user_data);

 }

 static gboolean

   plover_package_file_store_iter_children(GtkTreeModel *tree_model,

   GtkTreeIter *iter,GtkTreeIter *parent)

 {

     PloverPackageFileStorePrivate *priv;

     PloverPackageFileStore *store=(PloverPackageFileStore *)tree_model;

     priv=PLOVER_PACKAGE_FILE_STORE_GET_PRIVATE(tree_model);

     /* this is a list, nodes have no children */

     if (parent)

 	return FALSE;

     if (g_sequence_get_length(priv->seq)>0)

     {

 	iter->stamp=priv->stamp;

 	iter->user_data=g_sequence_get_begin_iter(priv->seq);

 	return TRUE;

     }

     else

 	return FALSE;

 }

 static gboolean

   plover_package_file_store_iter_has_child(GtkTreeModel *tree_model,

   GtkTreeIter *iter)

 {

     return FALSE;

 }

 static gint plover_package_file_store_iter_n_children(GtkTreeModel *tree_model,

   GtkTreeIter *iter)

 {

     PloverPackageFileStorePrivate *priv;

     PloverPackageFileStore *store=(PloverPackageFileStore *)tree_model;

     priv=PLOVER_PACKAGE_FILE_STORE_GET_PRIVATE(tree_model);

     if (!iter)

 	return g_sequence_get_length(priv->seq);

     g_return_val_if_fail(VALID_ITER(iter,tree_model),-1);

     return 0;

 }

 static gboolean

   plover_package_file_store_iter_nth_child(GtkTreeModel *tree_model,

   GtkTreeIter *iter,GtkTreeIter *parent,gint n)

 {

     PloverPackageFileStorePrivate *priv;

     PloverPackageFileStore *store=(PloverPackageFileStore *)tree_model;

     priv=PLOVER_PACKAGE_FILE_STORE_GET_PRIVATE(tree_model);

     GSequenceIter *child;

     if (parent)

 	return FALSE;

     child=g_sequence_get_iter_at_pos(priv->seq,n);

     if (g_sequence_iter_is_end(child))

 	return FALSE;

     iter->stamp=priv->stamp;

     iter->user_data=child;

     return TRUE;

 }

 static gboolean plover_package_file_store_iter_parent(GtkTreeModel *tree_model,

   GtkTreeIter *iter,GtkTreeIter *child)

 {

     return FALSE;

 }

 static void plover_package_file_store_tree_model_init(GtkTreeModelIface *iface)

 {

     iface->get_flags=plover_package_file_store_get_flags;

     iface->get_n_columns=plover_package_file_store_get_n_columns;

     iface->get_column_type=plover_package_file_store_get_column_type;

     iface->get_iter=plover_package_file_store_get_iter;

     iface->get_path=plover_package_file_store_get_path;

     iface->get_value=plover_package_file_store_get_value;

     iface->iter_next=plover_package_file_store_iter_next;

     iface->iter_children=plover_package_file_store_iter_children;

     iface->iter_has_child=plover_package_file_store_iter_has_child;

     iface->iter_n_children=plover_package_file_store_iter_n_children;

     iface->iter_nth_child=plover_package_file_store_iter_nth_child;

     iface->iter_parent=plover_package_file_store_iter_parent;

 }

 static void plover_package_file_store_init(PloverPackageFileStore *store)

 {

     PloverPackageFileStorePrivate *priv;

     priv=PLOVER_PACKAGE_FILE_STORE_GET_PRIVATE(store);

     priv->seq=g_sequence_new(g_free);

     priv->stamp=g_random_int();

 }

 PloverPackageFileStore *

   plover_package_file_store_new(struct razor_file_iterator *files)

 {

     const char *name;

     char *s;

     GSequenceIter *si;

     GtkTreeIter ti;

     GtkTreePath *path;

     gint *indices;

     PloverPackageFileStore *store;

     PloverPackageFileStorePrivate *priv;

     store=g_object_new(PLOVER_TYPE_PACKAGE_FILE_STORE,NULL);

     priv=PLOVER_PACKAGE_FILE_STORE_GET_PRIVATE(store);

     path=gtk_tree_path_new();

     gtk_tree_path_append_index(path,0);

     indices=gtk_tree_path_get_indices(path);

     while(razor_file_iterator_next(files,&name))

     {

 	s=g_strdup(name);

 #ifdef WIN32

 	s=g_strdelimit(s,"/",'\\');

 #endif

 	si=g_sequence_insert_sorted(priv->seq,s,g_strcmp0,NULL);

 	*indices=g_sequence_iter_get_position(si);

 	ti.stamp=priv->stamp;

 	ti.user_data=si;

 	gtk_tree_model_row_inserted(GTK_TREE_MODEL(store),path,&ti);

     }

     gtk_tree_path_free(path);

     return store;

 }