BCIgui/Masterarbeit/openvibe/designer-master/applications/platform/designer/src/dynamic_settings/ovdCEnumerationSettingView.cpp

#include "ovdCEnumerationSettingView.h"
#include "../ovd_base.h"

#include <algorithm> // std::sort
#include <map>

namespace OpenViBE {
namespace Designer {
namespace Setting {

static void OnChange(GtkEntry* /*entry*/, gpointer data) { static_cast<CEnumerationSettingView*>(data)->onChange(); }

CEnumerationSettingView::CEnumerationSettingView(Kernel::IBox& box, const size_t index, CString& builderName, const Kernel::IKernelContext& ctx,
												 const CIdentifier& typeID)
	: CAbstractSettingView(box, index, builderName, "settings_collection-comboboxentry_setting_enumeration"), m_typeID(typeID), m_kernelCtx(ctx)
{
	GtkWidget* setting = CAbstractSettingView::getEntryFieldWidget();

	m_comboBox = GTK_COMBO_BOX(setting);

	std::vector<std::string> entries;

	for (size_t i = 0; i < m_kernelCtx.getTypeManager().getEnumerationEntryCount(m_typeID); ++i)
	{
		CString name;
		uint64_t value;
		if (m_kernelCtx.getTypeManager().getEnumerationEntry(m_typeID, i, name, value)) { entries.push_back(name.toASCIIString()); }
	}

	std::sort(entries.begin(), entries.end());

	GtkTreeIter it;
	GtkListStore* list = GTK_LIST_STORE(gtk_combo_box_get_model(m_comboBox));
	gtk_combo_box_set_wrap_width(m_comboBox, 0);
	gtk_list_store_clear(list);

	for (size_t i = 0; i < entries.size(); ++i)
	{
		gtk_list_store_append(list, &it);
		gtk_list_store_set(list, &it, 0, entries[i].c_str(), -1);

		m_entriesIdx[CString(entries[i].c_str())] = uint64_t(i);
	}

	CString value;
	box.getSettingValue(index, value);
	if (m_entriesIdx.count(value.toASCIIString()) == 0)
	{
		gtk_list_store_append(list, &it);
		gtk_list_store_set(list, &it, 0, value.toASCIIString(), -1);
	}

	CAbstractSettingView::initializeValue();

	g_signal_connect(G_OBJECT(m_comboBox), "changed", G_CALLBACK(OnChange), this);
}


void CEnumerationSettingView::getValue(CString& value) const { value = CString(gtk_combo_box_get_active_text(m_comboBox)); }


void CEnumerationSettingView::setValue(const CString& value)
{
	m_onValueSetting = true;

	// If the current value of the setting is not in the enumeration list, we will add or replace the last value in the list, so it can be set to this value
	if (m_entriesIdx.count(value) == 0)
	{
		GtkTreeIter it;
		GtkListStore* list = GTK_LIST_STORE(gtk_combo_box_get_model(m_comboBox));
		int valuesInModel  = gtk_tree_model_iter_n_children(GTK_TREE_MODEL(list), nullptr);
		if (valuesInModel == int(m_entriesIdx.size()))
		{
			gtk_list_store_append(list, &it);
			valuesInModel += 1;
		}
		else
		{
			// We just set the iterator at the end
			GtkTreePath* treePath = gtk_tree_path_new_from_indices(valuesInModel - 1, -1);
			gtk_tree_model_get_iter(GTK_TREE_MODEL(list), &it, treePath);
			gtk_tree_path_free(treePath);
		}
		gtk_list_store_set(list, &it, 0, value.toASCIIString(), -1);
		gtk_combo_box_set_active(m_comboBox, valuesInModel - 1);
	}
	else { gtk_combo_box_set_active(m_comboBox, gint(m_entriesIdx[value])); }
	m_onValueSetting = false;
}

void CEnumerationSettingView::onChange()
{
	if (!m_onValueSetting)
	{
		gchar* value = gtk_combo_box_get_active_text(m_comboBox);
		getBox().setSettingValue(getSettingIndex(), value);
		g_free(value);
	}
}

}  // namespace Setting
}  // namespace Designer
}  // namespace OpenViBE