BaseMultipleSelectListBox.cpp

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#include "BaseMultipleSelectListBox.h"
 
#include "Styles/Components/ListBoxes/MultipleSelectListBoxStyles.h"
#include "Exceptions/SelectListException.h"
 
#pragma push_macro("min")
#undef min
 
using namespace std;
 
namespace gui_framework
{
    BaseMultipleSelectListBox::BaseMultipleSelectListBox(const wstring& listBoxName, const utility::ComponentSettings& settings, BaseComposite* parent) :
        BaseListBox
        (
            listBoxName, 
            settings,
            styles::MultipleSelectListBoxStyles(),
            parent
        )
    {
 
    }
 
    LRESULT BaseMultipleSelectListBox::getCurrentSelections() const
    {
        LRESULT result = SendMessageW(handle, LB_GETSELCOUNT, NULL, NULL);
 
        if (result == LB_ERR)
        {
            throw exceptions::SelectListException(__FUNCTION__, result, __FILE__, __FUNCTION__, __LINE__);
        }
 
        return result;
    }
 
    vector<wstring> BaseMultipleSelectListBox::getSelectedItems() const
    {
        WPARAM itemsCount = this->getCurrentSelections();
        vector<wstring> items;
        vector<int> indices(itemsCount);
 
        LRESULT result = SendMessageW(handle, LB_GETSELITEMS, itemsCount, reinterpret_cast<LPARAM>(indices.data()));
 
        if (result == LB_ERR)
        {
            throw exceptions::SelectListException(__FUNCTION__, result, __FILE__, __FUNCTION__, __LINE__);
        }
 
        items.reserve(itemsCount);
 
        for (const auto& i : indices)
        {
            items.push_back(this->getValue(i));
        }
 
        return items;
    }
 
    void BaseMultipleSelectListBox::selectMultipleItems(WPARAM firstItemIndex, LPARAM lastItemIndex) const
    {
        if (SendMessageW(handle, LB_SELITEMRANGEEX, firstItemIndex, lastItemIndex) == LB_ERR)
        {
            throw exceptions::SelectListException(__FUNCTION__, LB_ERR, __FILE__, __FUNCTION__, __LINE__);
        }
    }
 
    LRESULT BaseMultipleSelectListBox::setCurrentSelection(LRESULT index) const
    {
        LRESULT result = SendMessageW(handle, LB_SETSEL, true, index);
 
        if (result == LB_ERR)
        {
            throw exceptions::SelectListException(__FUNCTION__, result, __FILE__, __FUNCTION__, __LINE__);
        }
 
        return result;
    }
 
    json::JSONBuilder BaseMultipleSelectListBox::getStructure() const
    {
        using json::utility::jsonObject;
 
        json::JSONBuilder builder = BaseComponent::getStructure();
        jsonObject& current = get<jsonObject>(builder[utility::to_string(windowName, ISerializable::getCodepage())]);
 
        return builder;
    }
}
 
#pragma pop_macro("min")