field_assoc.cpp

来自「ncbi源码」· C++ 代码 · 共 126 行

/*
 * ===========================================================================
 * PRODUCTION $Log: field_assoc.cpp,v $
 * PRODUCTION Revision 1000.1  2004/06/01 20:46:36  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.7
 * PRODUCTION
 * ===========================================================================
 */

/*
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software / database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software / database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Authors:  Lou Friedman
 *
 * File Description:
 *    Implementation of classes that manitains the drop down menu choices and
 *      values used by the table entry form class CEntryFormTable.
 */

#include <ncbi_pch.hpp>
#include <gui/dialogs/entry_form/field_assoc.hpp>

BEGIN_NCBI_SCOPE


CEntryFormMenu::CEntryFormMenu()
    : m_DataChanged(false)
{
}


CEntryFormMenu::CEntryFormMenu(SMenuEntryInfo* info)
    : m_DataChanged(false)
{
    // first, count our items
    size_t count = 0;
    SMenuEntryInfo* ptr = info;
    for ( ;  ptr  &&  ptr->m_Label;  ++count, ++ptr) {
        AddItem(ptr->m_Label, ptr->m_Value, ptr->m_Cb, ptr->m_UserData);
    }
}


void CEntryFormMenu::AddItem(const string& label, int value,
                             Fl_Callback* cb, void* user_data)
{
    CMenuData data;
    data.m_Label = label;
    data.m_Value = value;
    data.m_Cb = cb;
    data.m_UserData = user_data;
    m_MenuData.push_back(data);

    m_DataChanged = true;
}


const Fl_Menu_Item* CEntryFormMenu::GetMenuItems(void) const
{
    if ( !m_DataChanged ) {
        return m_MenuItems.get();
    }

    m_MenuItems.reset(new Fl_Menu_Item[ m_MenuData.size() + 1 ]);
    Fl_Menu_Item* mi = m_MenuItems.get();
    if ( !mi ) {
        return mi;
    }

    memset(mi, 0, sizeof(Fl_Menu_Item) * (m_MenuData.size() + 1));
    int i = 0;
    ITERATE (list<CMenuData>, iter, m_MenuData) {
        mi[i].label    (iter->m_Label.c_str());
        mi[i].callback (iter->m_Cb);
        mi[i].user_data(iter->m_UserData);
        mi[i].labeltype(FL_NORMAL_LABEL);
        mi[i].labelsize(14);

        ++i;
    }

    m_DataChanged = false;
    return mi;
}


int CEntryFormMenu::FindEntry(int value) const
{
    int i = 0;
    ITERATE (list<CMenuData>, iter, m_MenuData) {
        if (iter->m_Value == value) {
            return i;
        }

        ++i;
    }

    return -1;
} 



END_NCBI_SCOPE