tip_dlg.cpp

来自「ncbi源码」· C++ 代码 · 共 223 行

/*
 * ===========================================================================
 * PRODUCTION $Log: tip_dlg.cpp,v $
 * PRODUCTION Revision 1000.2  2004/06/01 20:56:35  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.7
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: tip_dlg.cpp,v 1000.2 2004/06/01 20:56:35 gouriano Exp $
 * ===========================================================================
 *
 *                            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:  Mike DiCuccio
 *
 * File Description:
 *
 */

#include <ncbi_pch.hpp>
#include "tip_dlg.hpp"
#include <corelib/ncbifile.hpp>
#include <corelib/ncbiapp.hpp>
#include <corelib/ncbireg.hpp>
#include <gui/utils/system_path.hpp>
#include <gui/utils/app_popup.hpp>

#include <algorithm>

BEGIN_NCBI_SCOPE

#include "tip_dlg_.cpp"


// callback function for links
static const char *s_DoLink(Fl_Widget *w, const char *uri)
{
    CAppPopup::PopupURL(uri);
    return 0;  // tells widget to do nothing
}


CTipDlg::CTipDlg()
    : m_Show(true)
{
    m_Window.reset(x_CreateWindow());
    m_Text->textsize(14);
    m_Text->link(s_DoLink);

    CNcbiApplication* app = CNcbiApplication::Instance();
    _ASSERT(app);
    CNcbiRegistry& app_registry = app->GetConfig();

    m_Show = NStr::StringToBool(app_registry.GetString("APP", "news", "true"));

    string fname = CSystemPath::ResolvePathExisting("<std>/etc/news.ini");
    if (fname.empty()) {
        return;
    }
    CNcbiIfstream reg_stream(fname.c_str(), ios::in|ios::binary);
    CNcbiRegistry tips(reg_stream);

    int last_displayed = app_registry.GetInt("APP", "LastNewsDisplayed", -1);

    // figure out which messages to display
    list<string> sections;
    tips.EnumerateSections(&sections);
    ITERATE (list<string>, section, sections) {
        const string& sect = *section;

        STip tip;
        tip.idx     = tips.GetInt(sect, "number", 0);
        tip.title   = tips.Get(sect, "title");
        tip.author  = tips.Get(sect, "author");
        tip.message = tips.Get(sect, "message");

        m_Tips.push_back(tip);
    }

    sort(m_Tips.begin(), m_Tips.end());  // sort by idx

    m_Curr = m_Tips.begin();
    while (m_Curr != m_Tips.end()  &&  m_Curr->idx <= last_displayed) {
        ++m_Curr;
    }

    x_RefreshTip();

    // center the view in the screen
    Center();
}


void CTipDlg::Show()
{
    if ( !m_Show ) {
        return;
    }

    CDialog::Show();
}


void CTipDlg::x_OnNextTip()
{
    vector<STip>::iterator iter = m_Curr;
    ++iter;
    if (iter != m_Tips.end()) {
        ++m_Curr;
        x_RefreshTip();
    }
}


void CTipDlg::x_OnPrevTip()
{
    if (m_Curr != m_Tips.begin()) {
        --m_Curr;
        x_RefreshTip();
    }
}


void CTipDlg::x_OnHideTips()
{
    CNcbiApplication* app = CNcbiApplication::Instance();
    _ASSERT(app);
    CNcbiRegistry& app_registry = app->GetConfig();

    app_registry.Set("APP", "news",
                     NStr::BoolToString(m_HideTips->value() ? false : true),
                     CNcbiRegistry::ePersistent);
}


void CTipDlg::x_RefreshTip()
{
    if (m_Curr != m_Tips.end()) {
        string msg = m_Curr->message;
        msg =
            "<table width=100%><tr><td width=95%>" +
            msg +
            "</td></tr></table>";
        m_Text->value(msg.c_str());

        m_TipStr = "Tip #" + NStr::IntToString(m_Curr->idx);
        if ( !m_Curr->title.empty() ) {
            m_TipStr += ": " + m_Curr->title;
        }
        if ( !m_Curr->author.empty() ) {
            m_TipStr += " (from " + m_Curr->author + ")";
        }
        m_Tip->label(m_TipStr.c_str());


        // record last displayed in registry
        CNcbiApplication* app = CNcbiApplication::Instance();
        _ASSERT(app);
        CNcbiRegistry& app_registry = app->GetConfig();
        app_registry.Set("APP", "LastNewsDisplayed", 
                         NStr::IntToString(m_Curr->idx),
                         CNcbiRegistry::ePersistent);
    } else {
        m_Show = false;
    }
}


END_NCBI_SCOPE


/*
 * ===========================================================================
 * $Log: tip_dlg.cpp,v $
 * Revision 1000.2  2004/06/01 20:56:35  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.7
 *
 * Revision 1.7  2004/05/21 22:27:47  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.6  2004/02/17 20:35:27  rsmith
 * moved core/settings.[ch]pp and core/system_path.[ch]pp to config and utils, respectively.
 *
 * Revision 1.5  2003/12/22 19:27:26  dicuccio
 * Use CDialog::Center() instead of internal centering
 *
 * Revision 1.4  2003/12/03 15:28:29  jcherry
 * Sort items by index (otherwise they're alphabetical by section name).
 * Use vector rather than list to avoid non-portable list sort.
 *
 * Revision 1.3  2003/12/03 03:59:58  jcherry
 * Made s_DoLink() really static
 *
 * Revision 1.2  2003/12/02 22:41:16  jcherry
 * Added browser pop-up for links
 *
 * Revision 1.1  2003/11/24 15:43:13  dicuccio
 * Added new tip-of-the-day dialog.  Changed CVersion to CPluginVersion
 *
 * ===========================================================================
 */