408 lines
12 KiB
C
408 lines
12 KiB
C
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <Elementary.h>
|
|
#include "elm_priv.h"
|
|
|
|
#include "efl_ui_select_model.eo.h"
|
|
#include "ecore_internal.h"
|
|
|
|
typedef struct _Efl_Ui_Select_Model_Data Efl_Ui_Select_Model_Data;
|
|
|
|
struct _Efl_Ui_Select_Model_Data
|
|
{
|
|
Efl_Ui_Select_Model_Data *parent;
|
|
unsigned long last;
|
|
|
|
Eina_Bool single_selection : 1;
|
|
Eina_Bool none : 1;
|
|
};
|
|
|
|
static Eo*
|
|
_efl_ui_select_model_efl_object_constructor(Eo *obj,
|
|
Efl_Ui_Select_Model_Data *pd EINA_UNUSED)
|
|
{
|
|
Eo *parent;
|
|
|
|
obj = efl_constructor(efl_super(obj, EFL_UI_SELECT_MODEL_CLASS));
|
|
|
|
efl_boolean_model_boolean_add(obj, "selected", EINA_FALSE);
|
|
|
|
pd->last = -1;
|
|
|
|
parent = efl_parent_get(obj);
|
|
if (efl_isa(parent, EFL_UI_SELECT_MODEL_CLASS))
|
|
pd->parent = efl_data_scope_get(parent, EFL_UI_SELECT_MODEL_CLASS);
|
|
|
|
return obj;
|
|
}
|
|
|
|
static Eina_Value
|
|
_commit_change(Eo *child, void *data EINA_UNUSED, const Eina_Value v)
|
|
{
|
|
Efl_Ui_Select_Model_Data *pd;
|
|
Eina_Value *selected = NULL;
|
|
Eina_Bool selflag = EINA_FALSE;
|
|
|
|
if (v.type == EINA_VALUE_TYPE_ERROR)
|
|
goto on_error;
|
|
|
|
selected = efl_model_property_get(child, "selected");
|
|
|
|
pd = efl_data_scope_get(efl_parent_get(child), EFL_UI_SELECT_MODEL_CLASS);
|
|
if (!pd) goto on_error;
|
|
|
|
eina_value_bool_get(selected, &selflag);
|
|
if (selflag)
|
|
{
|
|
// select case
|
|
pd->none = EINA_FALSE;
|
|
pd->last = efl_composite_model_index_get(child);
|
|
efl_event_callback_call(child, EFL_UI_SELECT_MODEL_EVENT_SELECTED, child);
|
|
}
|
|
else
|
|
{
|
|
// unselect case
|
|
unsigned long last;
|
|
|
|
last = efl_composite_model_index_get(child);
|
|
if (pd->last == last)
|
|
{
|
|
pd->last = 0;
|
|
pd->none = EINA_TRUE;
|
|
}
|
|
efl_event_callback_call(child, EFL_UI_SELECT_MODEL_EVENT_UNSELECTED, child);
|
|
}
|
|
|
|
on_error:
|
|
eina_value_free(selected);
|
|
return v;
|
|
}
|
|
|
|
static void
|
|
_clear_child(Eo *child,
|
|
void *data EINA_UNUSED,
|
|
const Eina_Future *dead_future EINA_UNUSED)
|
|
{
|
|
efl_unref(child);
|
|
}
|
|
|
|
static Efl_Model *
|
|
_select_child_get(const Eina_Value *array, unsigned int idx)
|
|
{
|
|
Efl_Model *ret = NULL;
|
|
|
|
if (eina_value_type_get(array) != EINA_VALUE_TYPE_ARRAY)
|
|
return NULL;
|
|
|
|
if (idx >= eina_value_array_count(array))
|
|
return NULL;
|
|
|
|
eina_value_array_get(array, idx, &ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static Eina_Future *
|
|
_check_child_change(Efl_Model *child, Eina_Bool value)
|
|
{
|
|
Eina_Future *r = NULL;
|
|
Eina_Value *prev;
|
|
Eina_Bool prevflag = EINA_FALSE;
|
|
|
|
prev = efl_model_property_get(child, "selected");
|
|
eina_value_bool_get(prev, &prevflag);
|
|
eina_value_free(prev);
|
|
|
|
if (prevflag & value)
|
|
{
|
|
r = efl_loop_future_resolved(child, eina_value_bool_init(value));
|
|
}
|
|
else
|
|
{
|
|
r = efl_model_property_set(child, "selected", eina_value_bool_new(!!value));
|
|
r = efl_future_then(efl_ref(child), r,
|
|
.success = _commit_change,
|
|
.free = _clear_child);
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
static Eina_Future *
|
|
_select_child(Efl_Model *child)
|
|
{
|
|
return _check_child_change(child, EINA_TRUE);
|
|
}
|
|
|
|
static Eina_Future *
|
|
_unselect_child(Efl_Model *child)
|
|
{
|
|
return _check_child_change(child, EINA_FALSE);
|
|
}
|
|
|
|
static Eina_Value
|
|
_select_slice_then(Eo *obj EINA_UNUSED,
|
|
void *data EINA_UNUSED,
|
|
const Eina_Value v)
|
|
{
|
|
Efl_Model *child = NULL;
|
|
Eina_Future *r;
|
|
|
|
child = _select_child_get(&v, 0);
|
|
if (!child) goto on_error;
|
|
|
|
r = _select_child(child);
|
|
return eina_future_as_value(r);
|
|
|
|
on_error:
|
|
return v;
|
|
}
|
|
|
|
static Eina_Value
|
|
_unselect_slice_then(Eo *obj EINA_UNUSED,
|
|
void *data EINA_UNUSED,
|
|
const Eina_Value v)
|
|
{
|
|
Efl_Model *child = NULL;
|
|
Eina_Future *r;
|
|
|
|
child = _select_child_get(&v, 0);
|
|
if (!child) goto on_error;
|
|
|
|
r = _unselect_child(child);
|
|
return eina_future_as_value(r);
|
|
|
|
on_error:
|
|
return v;
|
|
}
|
|
|
|
static Eina_Value
|
|
_regenerate_error(void *data,
|
|
const Eina_Value v,
|
|
const Eina_Future *dead_future EINA_UNUSED)
|
|
{
|
|
Eina_Error *error = data;
|
|
Eina_Value r = v;
|
|
|
|
if (v.type == EINA_VALUE_TYPE_ERROR)
|
|
goto cleanup;
|
|
|
|
r = eina_value_error_init(*error);
|
|
|
|
cleanup:
|
|
free(error);
|
|
|
|
return r;
|
|
}
|
|
|
|
static Eina_Value
|
|
_untangle_array(void *data EINA_UNUSED,
|
|
const Eina_Value v)
|
|
{
|
|
Eina_Value va = EINA_VALUE_EMPTY;
|
|
|
|
// Only return the commit change, not the result of the unselect
|
|
eina_value_array_get(&v, 0, &va);
|
|
return va;
|
|
}
|
|
|
|
static Eina_Value
|
|
_untangle_error(void *data, Eina_Error err)
|
|
{
|
|
Efl_Model *child = data;
|
|
Eina_Future *f;
|
|
|
|
// We need to roll back the change, which means in this
|
|
// case to unselect this child as this is the only case
|
|
// where we could end up here.
|
|
Eina_Error *error = calloc(1, sizeof (Eina_Error));
|
|
|
|
f = efl_model_property_set(efl_super(child, EFL_UI_SELECT_MODEL_CLASS),
|
|
"selected", eina_value_bool_new(EINA_FALSE));
|
|
// Once this is done, we need to repropagate the error
|
|
*error = err;
|
|
f = eina_future_then(f, _regenerate_error, error, NULL);
|
|
|
|
return eina_future_as_value(f);
|
|
}
|
|
|
|
static void
|
|
_untangle_free(void *data,
|
|
const Eina_Future *dead_future EINA_UNUSED)
|
|
{
|
|
Eo *obj = data;
|
|
|
|
efl_unref(obj);
|
|
}
|
|
|
|
static Eina_Iterator *
|
|
_efl_ui_select_model_efl_model_properties_get(const Eo *obj,
|
|
Efl_Ui_Select_Model_Data *pd EINA_UNUSED)
|
|
{
|
|
EFL_COMPOSITE_MODEL_PROPERTIES_SUPER(props,
|
|
obj, EFL_UI_SELECT_MODEL_CLASS,
|
|
NULL,
|
|
"self.selected", "child.selected", "single_selection");
|
|
return props;
|
|
}
|
|
|
|
static Eina_Future *
|
|
_efl_ui_select_model_efl_model_property_set(Eo *obj,
|
|
Efl_Ui_Select_Model_Data *pd,
|
|
const char *property, Eina_Value *value)
|
|
{
|
|
Eina_Value vf = EINA_VALUE_EMPTY;
|
|
|
|
if (eina_streq("single_selection", property))
|
|
{
|
|
Eina_Bool single_selection = pd->single_selection;
|
|
Eina_Bool changed;
|
|
|
|
vf = eina_value_bool_init(single_selection);
|
|
eina_value_convert(value, &vf);
|
|
eina_value_bool_get(&vf, &single_selection);
|
|
|
|
changed = (!pd->single_selection != !single_selection);
|
|
pd->single_selection = !!single_selection;
|
|
|
|
if (changed) efl_model_properties_changed(obj, "single_selection");
|
|
|
|
return efl_loop_future_resolved(obj, vf);
|
|
}
|
|
|
|
if (eina_streq("child.selected", property))
|
|
{
|
|
unsigned long l = 0;
|
|
|
|
if (!eina_value_ulong_convert(value, &l))
|
|
return efl_loop_future_rejected(obj, EFL_MODEL_ERROR_INCORRECT_VALUE);
|
|
|
|
return efl_future_then(efl_ref(obj), efl_model_children_slice_get(obj, l, 1),
|
|
.success = _select_slice_then,
|
|
.success_type = EINA_VALUE_TYPE_ARRAY,
|
|
.free = _clear_child);
|
|
}
|
|
|
|
if (pd->parent && eina_streq("self.selected", property))
|
|
{
|
|
Eina_Bool prevflag = EINA_FALSE, newflag = EINA_FALSE;
|
|
Eina_Bool single_selection = EINA_FALSE;
|
|
Eina_Bool success;
|
|
Eina_Value *prev;
|
|
Eina_Future *chain;
|
|
|
|
prev = efl_model_property_get(efl_super(obj, EFL_UI_SELECT_MODEL_CLASS), "selected");
|
|
success = eina_value_bool_get(prev, &prevflag);
|
|
success &= eina_value_bool_convert(value, &newflag);
|
|
|
|
if (!success) return efl_loop_future_rejected(obj, EFL_MODEL_ERROR_INCORRECT_VALUE);
|
|
|
|
// Nothing changed
|
|
if (newflag == prevflag)
|
|
return efl_loop_future_resolved(obj, eina_value_bool_init(newflag));
|
|
|
|
single_selection = pd->parent->single_selection;
|
|
|
|
// First store the new value in the boolean model we inherit from
|
|
chain = efl_model_property_set(efl_super(obj, EFL_UI_SELECT_MODEL_CLASS),
|
|
"selected", value);
|
|
|
|
// Now act !
|
|
if (single_selection)
|
|
{
|
|
// We are here either, because we weren't and are after this call
|
|
// or because we were selected and are not anymore. In the later case,
|
|
// there is nothing special to do, just normal commit change will do.
|
|
if (!newflag)
|
|
{
|
|
unsigned int i;
|
|
|
|
i = efl_composite_model_index_get(obj);
|
|
if (pd->parent->last == i && !newflag)
|
|
pd->parent->none = EINA_TRUE;
|
|
}
|
|
else
|
|
{
|
|
Eo *parent;
|
|
unsigned long selected = 0;
|
|
|
|
// In this case we need to first unselect the previously selected one
|
|
// and then commit the change to this one.
|
|
selected = pd->parent->last;
|
|
|
|
// There was, need to unselect the previous one along setting the new value
|
|
parent = efl_parent_get(obj);
|
|
chain = eina_future_all(chain,
|
|
efl_future_then(efl_ref(parent),
|
|
efl_model_children_slice_get(parent, selected, 1),
|
|
.success = _unselect_slice_then,
|
|
.success_type = EINA_VALUE_TYPE_ARRAY,
|
|
.free = _clear_child));
|
|
chain = eina_future_then_easy(chain,
|
|
.success_type = EINA_VALUE_TYPE_ARRAY,
|
|
.success = _untangle_array,
|
|
.data = efl_ref(obj),
|
|
.error = _untangle_error,
|
|
.free = _untangle_free);
|
|
}
|
|
}
|
|
|
|
return efl_future_then(efl_ref(obj), chain,
|
|
.success = _commit_change,
|
|
.free = _clear_child);
|
|
}
|
|
|
|
return efl_model_property_set(efl_super(obj, EFL_UI_SELECT_MODEL_CLASS),
|
|
property, value);
|
|
}
|
|
|
|
static Eina_Value *
|
|
_efl_ui_select_model_efl_model_property_get(const Eo *obj, Efl_Ui_Select_Model_Data *pd, const char *property)
|
|
{
|
|
if (eina_streq("single_selection", property))
|
|
return eina_value_bool_new(pd->single_selection);
|
|
// Last selected child
|
|
if (eina_streq("child.selected", property))
|
|
{
|
|
if (pd->none)
|
|
return eina_value_error_new(EFL_MODEL_ERROR_INCORRECT_VALUE);
|
|
else
|
|
return eina_value_ulong_new(pd->last);
|
|
}
|
|
// Redirect to are we ourself selected
|
|
if (pd->parent && eina_streq("self.selected", property))
|
|
{
|
|
return efl_model_property_get(efl_super(obj, EFL_UI_SELECT_MODEL_CLASS), "selected");
|
|
}
|
|
|
|
return efl_model_property_get(efl_super(obj, EFL_UI_SELECT_MODEL_CLASS), property);
|
|
}
|
|
|
|
static void
|
|
_efl_ui_select_model_single_selection_set(Eo *obj EINA_UNUSED, Efl_Ui_Select_Model_Data *pd, Eina_Bool enable)
|
|
{
|
|
pd->single_selection = enable;
|
|
}
|
|
|
|
static Eina_Bool
|
|
_efl_ui_select_model_single_selection_get(const Eo *obj EINA_UNUSED, Efl_Ui_Select_Model_Data *pd)
|
|
{
|
|
return pd->single_selection;
|
|
}
|
|
|
|
static Eina_Iterator *
|
|
_efl_ui_select_model_selected_get(Eo *obj, Efl_Ui_Select_Model_Data *pd EINA_UNUSED)
|
|
{
|
|
return efl_boolean_model_boolean_iterator_get(obj, "selected", EINA_TRUE);
|
|
}
|
|
|
|
static Eina_Iterator *
|
|
_efl_ui_select_model_unselected_get(Eo *obj, Efl_Ui_Select_Model_Data *pd EINA_UNUSED)
|
|
{
|
|
return efl_boolean_model_boolean_iterator_get(obj, "selected", EINA_FALSE);
|
|
}
|
|
|
|
#include "efl_ui_select_model.eo.c"
|