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authorLarry Jr <larry.olj@gmail.com>2015-07-01 19:55:40 -0300
committerFelipe Magno de Almeida <felipe@expertisesolutions.com.br>2015-07-01 20:04:10 -0300
commit61aeb2a6a262c657a67a53a836d39896e94efb94 (patch)
treeb73336682113dd58131f7515b29c17ecd8414501
parentEFL Model List View for MVC design (diff)
downloadelementary-devs/felipealmeida/emodel-view.tar.gz
EFL Model Form View for MVC designdevs/felipealmeida/emodel-view
Elementary view that show an EFL.model and keep them synchronized asynchronously. The elm_view_form connects properties of a data model to different widgets. There is an example defined in src/examples/filemvc.c that also uses a list view. You can add widgets connected to properties using: eo_do(formview, elm_view_form_widget_add("filename", _label_init(win, bxr, "File Name"))); @feature
-rw-r--r--src/examples/.gitignore1
-rw-r--r--src/examples/Makefile.am2
-rw-r--r--src/examples/filemvc.c211
-rw-r--r--src/lib/Elementary.h.in1
-rw-r--r--src/lib/Makefile.am3
-rw-r--r--src/lib/elm_view_form.c266
-rw-r--r--src/lib/elm_view_form.eo30
-rw-r--r--src/lib/elm_view_form.h10
8 files changed, 524 insertions, 0 deletions
diff --git a/src/examples/.gitignore b/src/examples/.gitignore
index 7c9b93b9d..98a343b64 100644
--- a/src/examples/.gitignore
+++ b/src/examples/.gitignore
@@ -33,6 +33,7 @@
/fileselector_entry_example
/fileselector_example
/fileviewlist
+/filemvc
/flip_example_01
/flipselector_example
/frame_example_01
diff --git a/src/examples/Makefile.am b/src/examples/Makefile.am
index 3835b5f3e..ef68bdd4c 100644
--- a/src/examples/Makefile.am
+++ b/src/examples/Makefile.am
@@ -69,6 +69,7 @@ fileselector_button_example.c \
fileselector_entry_example.c \
fileselector_example.c \
fileviewlist.c \
+filemvc.c \
flip_example_01.c \
flipselector_example.c \
frame_example_01.c \
@@ -222,6 +223,7 @@ fileselector_button_example \
fileselector_entry_example \
fileselector_example \
fileviewlist \
+filemvc \
flip_example_01 \
flipselector_example \
frame_example_01 \
diff --git a/src/examples/filemvc.c b/src/examples/filemvc.c
new file mode 100644
index 000000000..9334b499d
--- /dev/null
+++ b/src/examples/filemvc.c
@@ -0,0 +1,211 @@
+//#ifdef HAVE_CONFIG_H
+# include "../../elementary_config.h"
+//#endif
+
+#include <Elementary.h>
+#include <Efl.h>
+#include <Eio.h>
+#include <eio_model.eo.h>
+#include <stdio.h>
+#include <Eio.h>
+#include <elm_view_form.h>
+
+#define EFL_MODEL_TEST_FILENAME_PATH "/tmp"
+
+struct _Efl_Model_Test_Filemvc_Data
+{
+ Eo *fileview;
+ Eo *treeview;
+ Eo *formview;
+ Eo *treemodel;
+ Evas_Object *thumb;
+ char imagedefault_path[256];
+};
+typedef struct _Efl_Model_Test_Filemvc_Data Efl_Model_Test_Filemvc_Data;
+
+static void
+_cleanup_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
+{
+ Efl_Model_Test_Filemvc_Data *priv = (Efl_Model_Test_Filemvc_Data *)data;
+ eo_unref(priv->fileview);
+ eo_unref(priv->treeview);
+ eo_unref(priv->formview);
+ eo_unref(priv->treemodel);
+}
+
+static Eina_Bool
+_filter_cb(void *data EINA_UNUSED, Eio_File *handler EINA_UNUSED, const Eina_File_Direct_Info *info)
+{
+ if (info->type == EINA_FILE_DIR && info->path[info->name_start] != '.') return EINA_TRUE;
+
+ return EINA_FALSE;
+}
+
+static Eina_Bool
+_list_selected_cb(void *data EINA_UNUSED, Eo *obj EINA_UNUSED, const Eo_Event_Description *desc EINA_UNUSED, void *event_info EINA_UNUSED)
+{
+ Efl_Model_Test_Filemvc_Data *priv = data;
+ Eo *child = event_info;
+ ethumb_client_file_free(elm_thumb_ethumb_client_get());
+
+ printf("LIST selected model\n");
+ eo_do(priv->formview, elm_view_form_model_set(child));
+ return EINA_TRUE;
+}
+
+static Eina_Bool
+_tree_selected_cb(void *data, Eo *obj EINA_UNUSED, const Eo_Event_Description *desc EINA_UNUSED, void *event_info)
+{
+ printf("TREE selected model\n");
+ Efl_Model_Test_Filemvc_Data *priv = data;
+ Eo *child = event_info;
+ const Eina_Value *vpath;
+ Eo *model;
+ char *path;
+
+ eo_do(child, efl_model_property_get("path", &vpath));
+ eina_value_get(vpath, &path);
+ model = eo_add(EIO_MODEL_CLASS, NULL, eio_model_path_set(path));
+ eo_do(model, efl_model_load());
+ eo_do(priv->fileview, elm_view_list_model_set(model));
+// eo_unref(model);
+ return EINA_TRUE;
+}
+
+static void
+_widget_init(Evas_Object *widget)
+{
+ evas_object_size_hint_weight_set(widget, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
+ evas_object_size_hint_align_set(widget, EVAS_HINT_FILL, EVAS_HINT_FILL);
+ evas_object_show(widget);
+}
+
+Evas_Object *
+_label_init(Evas_Object *win, Evas_Object *box, const char *text)
+{
+ Evas_Object *widget = elm_label_add(win);
+ elm_label_line_wrap_set(widget, ELM_WRAP_CHAR);
+ elm_object_text_set(widget, text);
+ elm_box_pack_end(box, widget);
+ evas_object_size_hint_weight_set(widget, EVAS_HINT_FILL, EVAS_HINT_FILL);
+ evas_object_size_hint_align_set(widget, EVAS_HINT_FILL, EVAS_HINT_FILL);
+ evas_object_show(widget);
+
+ return widget;
+}
+
+
+static void
+_thumb_error_cb(void *data, Evas_Object *o EINA_UNUSED, void *event_info EINA_UNUSED)
+{
+ Efl_Model_Test_Filemvc_Data *priv = data;
+ printf("thumbnail generation error.\n");
+ elm_thumb_file_set(priv->thumb, priv->imagedefault_path, NULL);
+ elm_thumb_reload(priv->thumb);
+}
+
+EAPI_MAIN int
+elm_main(int argc, char **argv)
+{
+ Efl_Model_Test_Filemvc_Data priv;
+ Evas_Object *win, *panes, *bxr, *genlist, *vpanes;
+ Evas_Object *entry;
+ char *dirname;
+
+ memset(&priv, 0, sizeof(Efl_Model_Test_Filemvc_Data));
+ elm_app_info_set(elm_main, "elementary", "images/logo.png");
+ sprintf(priv.imagedefault_path, "%s/images/logo.png", elm_app_data_dir_get());
+
+ //win
+ win = elm_win_util_standard_add("viewlist", "Viewlist");
+ elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
+ elm_win_autodel_set(win, EINA_TRUE);
+
+ panes = elm_panes_add(win);
+// elm_box_horizontal_set(box, EINA_TRUE);
+ evas_object_size_hint_weight_set(panes, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
+ elm_win_resize_object_add(win, panes);
+
+ ecore_init();
+ eio_init();
+
+ if(argv[1] != NULL) dirname = argv[1];
+ else dirname = EFL_MODEL_TEST_FILENAME_PATH;
+
+ //treemodel
+ priv.treemodel = eo_add(EIO_MODEL_CLASS, NULL, eio_model_path_set(dirname));
+ eo_do(priv.treemodel, eio_model_children_filter_set(_filter_cb, NULL));
+ eo_do(priv.treemodel, efl_model_load());
+
+ //treeview
+ genlist = elm_genlist_add(win);
+ priv.treeview = eo_add(ELM_VIEW_LIST_CLASS, NULL, elm_view_list_genlist_set(genlist, ELM_GENLIST_ITEM_TREE, NULL));
+ eo_do(priv.treeview, elm_view_list_property_connect("filename", "elm.text"),
+ elm_view_list_property_connect("icon", "elm.swallow.icon"),
+ elm_view_list_model_set(priv.treemodel));
+ _widget_init(genlist);
+ elm_object_part_content_set(panes, "left", genlist);
+ eo_do(panes, elm_obj_panes_content_left_size_set(0.3));
+
+ vpanes = elm_panes_add(win);
+ _widget_init(vpanes);
+ elm_object_part_content_set(panes, "right", vpanes);
+ eo_do(priv.treeview, eo_event_callback_add(ELM_VIEW_LIST_EVENT_MODEL_SELECTED, _tree_selected_cb, &priv));
+ //listview
+ genlist = elm_genlist_add(win);
+ priv.fileview = eo_add(ELM_VIEW_LIST_CLASS, NULL, elm_view_list_genlist_set(genlist, ELM_GENLIST_ITEM_NONE, "double_label"));
+ eo_do(priv.fileview, elm_view_list_property_connect("filename", "elm.text"),
+ elm_view_list_property_connect("size", "elm.text.sub"));
+
+ evas_object_event_callback_add(win, EVAS_CALLBACK_DEL, _cleanup_cb, &priv);
+ _widget_init(genlist);
+ elm_object_part_content_set(vpanes, "left", genlist);
+
+ eo_do(priv.fileview, eo_event_callback_add(ELM_VIEW_LIST_EVENT_MODEL_SELECTED, _list_selected_cb, &priv));
+
+ //formview
+ bxr = elm_box_add(win);
+ _widget_init(bxr);
+ elm_object_part_content_set(vpanes, "right", bxr);
+ priv.formview = eo_add(ELM_VIEW_FORM_CLASS, NULL);
+
+ /*Label widget */
+ eo_do(priv.formview, elm_view_form_widget_add("filename", _label_init(win, bxr, "File Name")));
+
+ _label_init(win, bxr, "Size:");
+ eo_do(priv.formview, elm_view_form_widget_add("size", _label_init(win, bxr, "")));
+
+ _label_init(win, bxr, "Modified:");
+ eo_do(priv.formview, elm_view_form_widget_add("mtime", _label_init(win, bxr, "")));
+
+ /* Entry widget */
+ entry = elm_entry_add(win);
+ elm_entry_single_line_set(entry, EINA_TRUE);
+ evas_object_size_hint_weight_set(entry, EVAS_HINT_FILL, EVAS_HINT_FILL);
+ elm_box_pack_end(bxr, entry);
+ evas_object_show(entry);
+ eo_do(priv.formview, elm_view_form_widget_add("path", entry));
+
+ /* Thumb widget */
+ elm_need_ethumb();
+ priv.thumb = elm_thumb_add(win);
+ _widget_init(priv.thumb);
+ elm_box_pack_end(bxr, priv.thumb);
+ elm_thumb_editable_set(priv.thumb, EINA_FALSE);
+ eo_do(priv.formview, elm_view_form_widget_add("path", priv.thumb));
+ evas_object_smart_callback_add(priv.thumb, "generate,error", _thumb_error_cb, &priv);
+ evas_object_smart_callback_add(priv.thumb, "load,error", _thumb_error_cb, &priv);
+
+ //showall
+ evas_object_resize(win, 800, 400);
+ evas_object_show(panes);
+ evas_object_show(win);
+
+ elm_run();
+ elm_shutdown();
+ ecore_shutdown();
+
+ return 0;
+}
+ELM_MAIN()
+
diff --git a/src/lib/Elementary.h.in b/src/lib/Elementary.h.in
index 61cb53ea0..af3f1229f 100644
--- a/src/lib/Elementary.h.in
+++ b/src/lib/Elementary.h.in
@@ -261,6 +261,7 @@ EAPI extern Elm_Version *elm_version;
#include <elm_transit.h>
#include <elm_video.h>
#include <elm_view_list.h>
+#include <elm_view_form.h>
#include <elm_web.h>
#include <elm_win.h>
#include <elm_win_standard.h>
diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am
index 547576709..fbdfc3948 100644
--- a/src/lib/Makefile.am
+++ b/src/lib/Makefile.am
@@ -377,6 +377,7 @@ elm_video.h \
elm_video_eo.h \
elm_video_legacy.h \
elm_view_list.h \
+elm_view_form.h \
elm_web.h \
elm_web_common.h \
elm_web_eo.h \
@@ -502,6 +503,7 @@ elm_util.c \
elm_url.c \
elm_video.c \
elm_view_list.c \
+elm_view_form.c \
elm_web2.c \
elm_widget.c \
elm_win.c \
@@ -622,6 +624,7 @@ elm_thumb.eo \
elm_toolbar.eo \
elm_video.eo \
elm_view_list.eo \
+elm_view_form.eo \
elm_web.eo \
elm_widget.eo \
elm_win.eo \
diff --git a/src/lib/elm_view_form.c b/src/lib/elm_view_form.c
new file mode 100644
index 000000000..7437a95e7
--- /dev/null
+++ b/src/lib/elm_view_form.c
@@ -0,0 +1,266 @@
+#ifdef HAVE_CONFIG_H
+# include "elementary_config.h"
+#endif
+#include <Eo.h>
+#include <Efl.h>
+#include <Elementary.h>
+
+#include "elm_view_form.h"
+#include "elm_view_list.h"
+
+#include "elm_priv.h"
+#include <assert.h>
+
+#define MY_CLASS ELM_VIEW_FORM_CLASS
+#define MY_CLASS_NAME "View_Form"
+
+typedef struct _Elm_View_Form_Data Elm_View_Form_Data;
+typedef struct _Elm_View_Form_Widget Elm_View_Form_Widget;
+
+/**
+ * @brief Local-use callbacks
+ */
+typedef void (*Elm_View_Form_Event_Cb)(Elm_View_Form_Widget *, Elm_View_Form_Data *, Evas_Object *);
+typedef void (*Elm_View_Form_Widget_Object_Set_Cb)(Eo *, Evas_Object *, const Eina_Value *, const char *);
+
+struct _Elm_View_Form_Widget
+{
+ Eina_Stringshare *widget_propname;
+ Evas_Object *widget_obj;
+ Elm_View_Form_Event_Cb widget_obj_value_update_cb;
+ Elm_View_Form_Widget_Object_Set_Cb widget_obj_set_cb;
+};
+
+struct _Elm_View_Form_Data
+{
+ Eo *model_obj;
+ Eina_Value *properties;
+ Eina_List *l;
+};
+
+static Eina_Bool
+_efl_model_properties_change_cb(void *data, Eo *obj EINA_UNUSED, const Eo_Event_Description *desc EINA_UNUSED, void *event_info)
+{
+ const Efl_Model_Property_Event *evt = event_info;
+ const Eina_Value *value;
+ const char *prop;
+ unsigned int i;
+ Elm_View_Form_Data *priv = data;
+ Eina_List *l = NULL;
+ Elm_View_Form_Widget *w = NULL;
+ Eina_Array_Iterator it;
+
+ EINA_SAFETY_ON_NULL_RETURN_VAL(priv, EINA_TRUE);
+ EINA_SAFETY_ON_NULL_RETURN_VAL(evt, EINA_TRUE);
+
+ if (!evt->changed_properties)
+ return EINA_TRUE;
+
+ //update all widgets with this property
+ EINA_LIST_FOREACH(priv->l, l, w)
+ {
+ EINA_ARRAY_ITER_NEXT(evt->changed_properties, i, prop, it)
+ {
+ if (!strcmp(w->widget_propname, prop))
+ {
+ eo_do(priv->model_obj, efl_model_property_get(prop, &value));
+ w->widget_obj_set_cb(priv->model_obj, w->widget_obj, value, w->widget_propname);
+ }
+ }
+ }
+
+ return EINA_TRUE;
+}
+
+static void
+_update_model_properties(Elm_View_Form_Data *priv)
+{
+ const Eina_Value *value;
+ Eina_List *l;
+ Elm_View_Form_Widget *w;
+ //update all widgets property
+ EINA_LIST_FOREACH(priv->l, l, w)
+ {
+ eo_do(priv->model_obj, efl_model_property_get(w->widget_propname, &value));
+ w->widget_obj_set_cb(priv->model_obj, w->widget_obj, value, w->widget_propname);
+ }
+}
+
+/**
+ * @brief Set widget.
+ * Works, so far, for widget(s): Entry, Label
+ */
+static void
+_elm_evas_object_text_set_cb(Eo *obj EINA_UNUSED, Evas_Object *widget, const Eina_Value *value, const char *propname EINA_UNUSED)
+{
+ const char *c_text = NULL;
+ char *text = NULL;
+
+ EINA_SAFETY_ON_NULL_RETURN(value);
+ EINA_SAFETY_ON_NULL_RETURN(widget);
+
+ text = eina_value_to_string(value);
+ EINA_SAFETY_ON_NULL_RETURN(text);
+
+ c_text = elm_object_text_get(widget);
+ EINA_SAFETY_ON_NULL_RETURN(c_text);
+
+ if (strcmp(text, c_text) != 0)
+ {
+ elm_object_text_set(widget, text);
+ }
+ free(text);
+}
+
+static void
+_elm_evas_object_thumb_set_cb(Eo *obj EINA_UNUSED, Evas_Object *thumb, const Eina_Value *value, const char *propname EINA_UNUSED)
+{
+ char *filename = NULL;
+
+ EINA_SAFETY_ON_NULL_RETURN(value);
+ filename = eina_value_to_string(value);
+ EINA_SAFETY_ON_NULL_RETURN(filename);
+ if (strlen(filename) < PATH_MAX)
+ {
+ elm_thumb_file_set(thumb, filename, NULL);
+ elm_thumb_reload(thumb);
+ }
+ free(filename);
+}
+
+/**
+ * @brief Evas object callback implementation.
+ * Updates Widget's value if not the same object
+ * and the widget itself.
+ */
+static void
+_elm_evas_object_text_changed_cb(void *data, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
+{
+ Eina_Value value;
+ Eina_List *l;
+ Elm_View_Form_Data *priv = (Elm_View_Form_Data *)data;
+ Elm_View_Form_Widget *w = NULL;
+
+ EINA_LIST_FOREACH(priv->l, l, w)
+ {
+ if (w->widget_obj == obj)
+ break;
+ }
+
+ EINA_SAFETY_ON_NULL_RETURN(w);
+ eina_value_setup(&value, EINA_VALUE_TYPE_STRING);
+ eina_value_set(&value, elm_object_text_get(obj));
+ eo_do(priv->model_obj, efl_model_property_set(w->widget_propname, &value));
+ eina_value_flush(&value);
+}
+/**
+ * @brief Add new widget object.
+ * Adds new widget object on the list
+ * and perform initial setup.
+ */
+static Eina_Bool
+_elm_view_widget_add(Elm_View_Form_Data *priv, const char *propname, Evas_Object *widget_obj)
+{
+ const Eina_Value *value = NULL;
+ Elm_View_Form_Widget *w = calloc(1, sizeof(Elm_View_Form_Widget));
+ EINA_SAFETY_ON_NULL_RETURN_VAL(w, EINA_FALSE);
+
+ w->widget_propname = eina_stringshare_add(propname);
+ w->widget_obj = widget_obj;
+ priv->l = eina_list_append(priv->l, w);
+
+ if(eo_isa(widget_obj, ELM_ENTRY_CLASS))
+ {
+ w->widget_obj_set_cb = _elm_evas_object_text_set_cb;
+ evas_object_event_callback_add(w->widget_obj, EVAS_CALLBACK_KEY_DOWN, _elm_evas_object_text_changed_cb, priv);
+ }
+ else if(eo_isa(widget_obj, ELM_LABEL_CLASS))
+ {
+ w->widget_obj_set_cb = _elm_evas_object_text_set_cb;
+ }
+ else if(eo_isa(widget_obj, ELM_THUMB_CLASS))
+ {
+ w->widget_obj_set_cb = _elm_evas_object_thumb_set_cb;
+ }
+ else
+ {
+ // Widget yet not supported
+ EINA_SAFETY_ON_NULL_RETURN_VAL(NULL, EINA_FALSE);
+ }
+
+ eo_do(priv->model_obj, efl_model_property_get(propname, &value));
+ if (value)
+ {
+ w->widget_obj_set_cb(priv->model_obj, w->widget_obj, value, w->widget_propname);
+ }
+
+ return EINA_TRUE;
+}
+/**
+ * Helper functions - End
+ */
+
+
+/**
+ * @brief constructor
+ */
+static Eo_Base*
+_elm_view_form_eo_base_constructor(Eo *obj EINA_UNUSED, Elm_View_Form_Data *_pd)
+{
+ Elm_View_Form_Data *priv = (Elm_View_Form_Data *)_pd;
+ priv->model_obj = NULL;
+
+ eo_do_super(obj, MY_CLASS, eo_constructor());
+
+ return obj;
+}
+
+/**
+ * @brief destructor
+ */
+static void
+_elm_view_form_eo_base_destructor(Eo *obj, Elm_View_Form_Data *priv)
+{
+ Elm_View_Form_Widget *w = NULL;
+ EINA_LIST_FREE(priv->l, w)
+ {
+ eina_stringshare_del(w->widget_propname);
+ free(w);
+ }
+
+ eo_do_super(obj, MY_CLASS, eo_destructor());
+}
+
+
+static void
+_elm_view_form_model_set(Eo *obj EINA_UNUSED, Elm_View_Form_Data *priv, Eo *model)
+{
+ if (priv->model_obj != NULL)
+ {
+ eo_do(priv->model_obj, eo_event_callback_del(EFL_MODEL_BASE_EVENT_PROPERTIES_CHANGED, _efl_model_properties_change_cb, priv));
+ eo_unref(priv->model_obj);
+ }
+
+ priv->model_obj = model;
+
+ if (priv->model_obj != NULL)
+ {
+ eo_ref(priv->model_obj);
+ eo_do(priv->model_obj, eo_event_callback_add(EFL_MODEL_BASE_EVENT_PROPERTIES_CHANGED, _efl_model_properties_change_cb, priv));
+ _update_model_properties(priv);
+ }
+}
+
+static void
+_elm_view_form_widget_add(Eo *obj EINA_UNUSED, Elm_View_Form_Data *priv, const char *propname, Evas_Object *evas)
+{
+ Eina_Bool status;
+
+ EINA_SAFETY_ON_NULL_RETURN(evas);
+ EINA_SAFETY_ON_NULL_RETURN(propname);
+
+ status = _elm_view_widget_add(priv, propname, evas);
+ EINA_SAFETY_ON_FALSE_RETURN(status);
+}
+
+#include "elm_view_form.eo.c"
diff --git a/src/lib/elm_view_form.eo b/src/lib/elm_view_form.eo
new file mode 100644
index 000000000..e91919f0d
--- /dev/null
+++ b/src/lib/elm_view_form.eo
@@ -0,0 +1,30 @@
+class Elm_View_Form (Eo.Base)
+{
+ legacy_prefix: null;
+ methods {
+ model_set {
+ /*@ Set model
+ @def elm_view_form_model_set
+ @since 1.11 */
+ params {
+ @in model: Efl.Model.Base*; /*@ Emodel object */
+ }
+ }
+ widget_add {
+ /*@ Add new widget
+ @def elm_view_form_widget_add
+ @since 1.11 */
+ params {
+ @in propname: const(char)*; /*@ Property name */
+ @in evas: Evas_Object*; /*@ Evas widget */
+ }
+ }
+ }
+ implements {
+ Eo.Base.destructor;
+ Eo.Base.constructor;
+ }
+ constructors {
+ .model_set;
+ }
+}
diff --git a/src/lib/elm_view_form.h b/src/lib/elm_view_form.h
new file mode 100644
index 000000000..3572c7c72
--- /dev/null
+++ b/src/lib/elm_view_form.h
@@ -0,0 +1,10 @@
+
+#ifdef EFL_EO_API_SUPPORT
+#ifndef ELM_VIEW_FORM_H
+#define ELM_VIEW_FORM_H
+
+#include <Efl.h>
+#include <elm_view_form.eo.h>
+
+#endif
+#endif