components.cpp

ncbi源码

/*
 * ===========================================================================
 * PRODUCTION $Log: components.cpp,v $
 * PRODUCTION Revision 1000.3  2004/06/01 19:15:23  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.34
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: components.cpp,v 1000.3 2004/06/01 19:15:23 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.
 *
 * ===========================================================================
 *
 * Author:  Lewis Geer
 *
 */

#include <ncbi_pch.hpp>
#include <html/components.hpp>
#include <html/nodemap.hpp>


BEGIN_NCBI_SCOPE


CSubmitDescription::CSubmitDescription(void)
{
    return;
}


CSubmitDescription::CSubmitDescription(const string& name)
    : m_Name(name)
{
    return;
}


CSubmitDescription::CSubmitDescription(const string& name, const string& label)
    : m_Name(name), m_Label(label)
{
    return;
}


CNCBINode* CSubmitDescription::CreateComponent(void) const
{
    if ( m_Name.empty() ) {
        return 0;
    }
    if ( m_Label.empty() ) {
        return new CHTML_submit(m_Name);
    }else {
        return new CHTML_submit(m_Name, m_Label);
    }
}


CNCBINode* COptionDescription::CreateComponent(const string& def) const
{
    if ( m_Value.empty() ) {
        return new CHTML_option(m_Label, m_Label == def);
    } else if ( m_Label.empty() ) {
        return new CHTML_option(m_Value, m_Value == def);
    } else {
        return new CHTML_option(m_Value, m_Label, m_Value == def);
    }
}


CSelectDescription::CSelectDescription(void)
{
    return;
}


CSelectDescription::CSelectDescription(const string& name)
    : m_Name(name)
{
    return;
}


void CSelectDescription::Add(const string& value)
{
    m_List.push_back(COptionDescription(value));
}


void CSelectDescription::Add(const string& value, const string& label)
{
    m_List.push_back(COptionDescription(value, label));
}


CNCBINode* CSelectDescription::CreateComponent(void) const
{
    if ( m_Name.empty() || m_List.empty() ) {
        return 0;
    }
    CNCBINode* select = new CHTML_select(m_Name);
    for ( list<COptionDescription>::const_iterator i = m_List.begin();
          i != m_List.end(); ++i ) {
        select->AppendChild(i->CreateComponent(m_Default));
    }
    if ( !m_TextBefore.empty() || !m_TextAfter.empty() ) {
        CNCBINode* combine = new CNCBINode;
        if ( !m_TextBefore.empty() ) {
            combine->AppendChild(new CHTMLPlainText(m_TextBefore));
        }
        combine->AppendChild(select);
        if ( !m_TextAfter.empty() ) {
            combine->AppendChild(new CHTMLPlainText(m_TextAfter));
        }
        select = combine;
    }
    return select;
}


CTextInputDescription::CTextInputDescription(void)
    : m_Width(0)
{
    return;
}


CTextInputDescription::CTextInputDescription(const string& name)
    : m_Name(name), m_Width(0)
{
    return;
}


CNCBINode* CTextInputDescription::CreateComponent(void) const
{
    if ( m_Name.empty() ) {
        return 0;
    }
    if ( m_Width ) {
        return new CHTML_text(m_Name, m_Width, m_Value);
    } else {
        return new CHTML_text(m_Name, m_Value);
    }
}


CQueryBox::CQueryBox(void)
    : m_Submit("cmd", "Search"), m_Database("db"),
      m_Term("term"), m_DispMax("dispmax"),
      m_Width(-1)
{
    SetCellSpacing(0);
    SetCellPadding(5);
    m_Database.m_TextBefore = "Search ";
    m_Database.m_TextAfter = "for";
    m_DispMax.m_TextBefore = "Show ";
    m_DispMax.m_TextAfter = "documents per page";
}


void CQueryBox::CreateSubNodes()
{
    SetBgColor(m_BgColor);
    if ( m_Width >= 0 ) {
        SetWidth(m_Width);
    }
    CheckTable();
    int row = CalculateNumberOfRows();

    InsertAt(row, 0, m_Database.CreateComponent())->SetColSpan(2);
    InsertAt(row + 1, 0, m_Term.CreateComponent());
    InsertAt(row + 1, 0, m_Submit.CreateComponent());
    InsertAt(row + 2, 0, m_DispMax.CreateComponent()); 
}


CNCBINode* CQueryBox::CreateComments(void)
{
    return 0;
}


// Pager

CButtonList::CButtonList(void)
{
    return;
}

void CButtonList::CreateSubNodes()
{
    CNCBINode* select = m_List.CreateComponent();
    if ( select ) {
        AppendChild(m_Button.CreateComponent());
        AppendChild(select);
    }
}


CPageList::CPageList(void)
    : m_Current(-1)
{
    SetCellSpacing(2);
}


void CPageList::x_AddImageString(CNCBINode* node, const string& name, int number,
                                 const string& imageStart, const string& imageEnd)
{
    string s = NStr::IntToString(number);

    for ( size_t i = 0; i < s.size(); ++i ) {
        node->AppendChild(new CHTML_image(name, imageStart + s[i] + imageEnd, 0));
    }
}


void CPageList::x_AddInactiveImageString(CNCBINode* node, const string&,
                                         int number,
                                         const string& imageStart,
                                         const string& imageEnd)
{
    string s = NStr::IntToString(number);
   
    for ( size_t i = 0; i < s.size(); ++i ) {
        node->AppendChild(new CHTML_img(imageStart + s[i] + imageEnd));
    }
}


void CPageList::CreateSubNodes()
{
    int column = 0;
    if ( !m_Backward.empty() ) {
        InsertAt(0, column++,
                 new CHTML_image(m_Backward, "/images/prev.gif", 0));
    }
    for (map<int, string>::iterator i = m_Pages.begin();
         i != m_Pages.end(); ++i ) {
        if ( i->first == m_Current ) {
            // Current link
            x_AddInactiveImageString(Cell(0, column++), i->second, i->first, "/images/black_", ".gif");
        }
        else {
            // Normal link
            x_AddImageString(Cell(0, column++), i->second, i->first, "/images/", ".gif");
        }
    }
    if ( !m_Forward.empty() ) {
        InsertAt(0, column++, new CHTML_image(m_Forward, "/images/next.gif", 0));
    }
}


// Pager box

CPagerBox::CPagerBox(void)
    : m_Width(460),
      m_TopButton(new CButtonList),
      m_LeftButton(new CButtonList),
      m_RightButton(new CButtonList),
      m_PageList(new CPageList),
      m_NumResults(0),
      m_BgColor("#c0c0c0")
{
    return;
}


void CPagerBox::CreateSubNodes(void)
{
    CHTML_table* table;
    CHTML_table* tableTop;
    CHTML_table* tableBot;

    table = new CHTML_table();
    table->SetCellSpacing(0)->SetCellPadding(0)->SetBgColor(m_BgColor)->SetWidth(m_Width)->SetAttribute("border", "0");
    AppendChild(table);

    tableTop = new CHTML_table();
    tableTop->SetCellSpacing(0)->SetCellPadding(0)->SetWidth(m_Width);
    tableBot = new CHTML_table();
    tableBot->SetCellSpacing(0)->SetCellPadding(0)->SetWidth(m_Width);

    table->InsertAt(0, 0, tableTop);
    table->InsertAt(1, 0, tableBot);
    tableTop->InsertAt(0, 0, m_TopButton);
    tableTop->InsertAt(0, 1, m_PageList);
    tableBot->InsertAt(0, 0, m_LeftButton);
    tableBot->InsertAt(0, 1, m_RightButton);
    tableBot->InsertAt(0, 2, new CHTMLText(NStr::IntToString(m_NumResults) + ((m_NumResults==1)?" result":" results")));
}


CSmallPagerBox::CSmallPagerBox()
    : m_Width(460), m_PageList(0), m_NumResults(0)
{
    return;
}


void CSmallPagerBox::CreateSubNodes()
{
    CHTML_table* Table = new CHTML_table();
    AppendChild(Table);
    Table->SetCellSpacing(0)->SetCellPadding(0)->SetBgColor(m_BgColor)
        ->SetWidth(m_Width)->SetAttribute("border", 0);
    
    Table->InsertAt(0, 0, new CPageList);
    Table->InsertAt(0, 1, new CHTMLText(NStr::IntToString(m_NumResults) + ((m_NumResults==1)?" result":" results")));
}


END_NCBI_SCOPE


/*
 * ===========================================================================
 * $Log: components.cpp,v $
 * Revision 1000.3  2004/06/01 19:15:23  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.34
 *
 * Revision 1.34  2004/05/17 20:59:50  gorelenk
 * Added include of PCH ncbi_pch.hpp
 *
 * Revision 1.33  2004/01/30 14:03:21  lavr
 * Cosmetic change to sync with .hpp
 *
 * Revision 1.32  2004/01/27 15:39:52  ivanov
 * Get rid of Sun Workshop compilation warning.
 *
 * Revision 1.31  2003/11/03 17:03:08  ivanov
 * Some formal code rearrangement. Move log to end.
 *
 * Revision 1.30  1999/10/28 13:40:34  vasilche
 * Added reference counters to CNCBINode.
 *
 * Revision 1.29  1999/06/07 15:21:04  vasilche
 * Fixed some warnings.
 *
 * Revision 1.28  1999/04/22 14:20:19  vasilche
 * Now CHTML_select::AppendOption and CHTML_option constructor accept option
 * name always as first argument.
 *
 * Revision 1.27  1999/04/15 19:56:23  vasilche
 * More warnings fixed
 *
 * Revision 1.26  1999/04/15 19:48:22  vasilche
 * Fixed several warnings detected by GCC
 *
 * Revision 1.25  1999/04/08 19:00:30  vasilche
 * Added current cell pointer to CHTML_table
 *
 * Revision 1.24  1999/02/23 19:04:27  vasilche
 * Fixed uninitialized m_Width in CQueryBox
 *
 * Revision 1.23  1999/01/28 21:58:07  vasilche
 * QueryBox now inherits from CHTML_table (not CHTML_form as before).
 * Use 'new CHTML_form("url", queryBox)' as replacement of old QueryBox.
 *
 * Revision 1.22  1999/01/21 21:12:58  vasilche
 * Added/used descriptions for HTML submit/select/text.
 * Fixed some bugs in paging.
 *
 * Revision 1.21  1999/01/21 16:18:05  sandomir
 * minor changes due to NStr namespace to contain string utility functions
 *
 * Revision 1.20  1999/01/20 18:12:44  vasilche
 * Added possibility to change label of buttons.
 *
 * Revision 1.19  1999/01/19 21:17:41  vasilche
 * Added CPager class
 *
 * Revision 1.18  1999/01/15 17:47:55  vasilche
 * Changed CButtonList options: m_Name -> m_SubmitName, m_Select ->
 * m_SelectName. Added m_Selected.
 * Fixed CIDs Encode/Decode.
 *
 * Revision 1.17  1999/01/14 21:25:19  vasilche
 * Changed CPageList to work via form image input elements.
 *
 * Revision 1.16  1999/01/07 17:06:35  vasilche
 * Added default query text in CQueryBox.
 * Added query text width in CQueryBox.
 *
 * Revision 1.15  1999/01/07 16:41:56  vasilche
 * CHTMLHelper moved to separate file.
 * TagNames of CHTML classes ara available via s_GetTagName() static
 * method.
 * Input tag types ara available via s_GetInputType() static method.
 * Initial selected database added to CQueryBox.
 * Background colors added to CPagerBax & CSmallPagerBox.
 *
 * Revision 1.14  1999/01/07 14:53:57  vasilche
 * CButtonList displays nothing if list is empty.
 *
 * Revision 1.13  1999/01/06 21:35:37  vasilche
 * Avoid use of Clone.
 * Fixed default CHTML_text width.
 *
 * Revision 1.12  1999/01/05 21:47:14  vasilche
 * Added 'current page' to CPageList.
 * CPageList doesn't display forward/backward if empty.
 *
 * Revision 1.11  1999/01/04 20:06:13  vasilche
 * Redesigned CHTML_table.
 * Added selection support to HTML forms (via hidden values).
 *
 * Revision 1.10  1998/12/28 23:29:09  vakatov
 * New CVS and development tree structure for the NCBI C++ projects
 *
 * Revision 1.9  1998/12/28 16:48:08  vasilche
 * Removed creation of QueryBox in CHTMLPage::CreateView()
 * CQueryBox extends from CHTML_form
 * CButtonList, CPageList, CPagerBox, CSmallPagerBox extend from CNCBINode.
 *
 * Revision 1.8  1998/12/23 21:21:03  vasilche
 * Added more HTML tags (almost all).
 * Importent ones: all lists (OL, UL, DIR, MENU), fonts (FONT, BASEFONT).
 *
 * Revision 1.7  1998/12/21 22:25:02  vasilche
 * A lot of cleaning.
 *
 * Revision 1.6  1998/12/11 22:52:01  lewisg
 * added docsum page
 *
 * Revision 1.5  1998/12/11 18:12:45  lewisg
 * frontpage added
 *
 * Revision 1.4  1998/12/09 23:00:53  lewisg
 * use new cgiapp class
 *
 * Revision 1.3  1998/12/08 00:33:42  lewisg
 * cleanup
 *
 * Revision 1.2  1998/11/23 23:44:28  lewisg
 * toolpages.cpp
 *
 * Revision 1.1  1998/10/29 16:13:07  lewisg
 * version 2
 *
 * ===========================================================================
 */