table.cpp

来自「ncbi源码」· C++ 代码 · 共 275 行

/*
 * ===========================================================================
 * PRODUCTION $Log: table.cpp,v $
 * PRODUCTION Revision 1000.2  2004/06/01 20:46:38  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.16
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: table.cpp,v 1000.2 2004/06/01 20:46:38 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:  Lou Friedman
 *
 * File Description:
 *    Implementation of an entry form table class that associate fields
 *      with some form of editable widget.
 */

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

#include <FL/Fl_Button.H>
#include <FL/Fl_File_Input.H>
#include <FL/Fl_Float_Input.H>
#include <FL/Fl_Input.H>
#include <FL/Fl_Int_Input.H>
#include <FL/Fl_Multiline_Input.H>
#include <FL/Fl_Secret_Input.H>
#include <FL/Fl_Valuator.H>
#include <memory>

#include <gui/dialogs/file_browser.hpp>

BEGIN_NCBI_SCOPE


CEntryFormTable::CEntryFormTable(int w, int space)
    : Fl_Group(0, 0, w, 0)
{
    box(FL_NO_BOX);
    end();

    m_Pack = new Fl_Pack(0, 0, w, 0);
    m_Pack->end();
    m_Pack->spacing(space);  
}


CEntryFormTable::~CEntryFormTable()
{
}


// add a title row.  This creates a box with a piece of text centered in it and
// a colored background.  The const char* here is not copied, so make sure that
// it survives as long as this class does
void CEntryFormTable::AddTitleRow(const char* label)
{
    auto_ptr<Fl_Box> box(new Fl_Box(0, 0, m_Pack->w(), 25));
    box->box(FL_ENGRAVED_BOX);
    box->label(label);
    box->color(fl_rgb_color(192, 128, 128));

    m_Pack->size(m_Pack->w(), m_Pack->h() + 25);
    m_Pack->add(box.release());
}


// add a menu row.  A "Menu row" is a drop-down box with a label.
Fl_Choice* CEntryFormTable::AddMenuRow(const char* label_value,
                                       CEntryFormMenu& map_data,
                                       int current_value,
                                       void *user_data)
{
    if (current_value == 0) {
        _TRACE("CEntryFormTable::AddMenuRow(): current value = 0 ==> empty Fl_Choice");
    }

    const int row_ht = 25;

    // If row already exists, must include spacing for height calculations
    int h;
    if (m_Pack->h()) {
        h = m_Pack->h() + row_ht + m_Pack->spacing();
    } else {
        h = m_Pack->h() + row_ht;
    }

    // label and value width
    int lw = int (m_Pack->w() / 3);
    int vw = m_Pack->w() - lw;

    // create a group for this row
    auto_ptr<Fl_Group> group(new Fl_Group(0, 0, m_Pack->w(), row_ht));

    Fl_Box* label = new Fl_Box(0, 0, lw, row_ht);
    label->label(label_value);
    label->labeltype(FL_NORMAL_LABEL);
    label->align(FL_ALIGN_INSIDE | FL_ALIGN_RIGHT);
    label->box(FL_BORDER_FRAME);

    Fl_Choice* choice = new Fl_Choice(lw, 0, vw, row_ht);
    choice->copy(map_data.GetMenuItems());
    choice->value(current_value);
    choice->box(FL_EMBOSSED_BOX);
    choice->color(FL_BACKGROUND2_COLOR);
    choice->user_data(user_data);

    group->resizable(choice);
    group->end();

    m_Pack->size(m_Pack->w(), h);
    m_Pack->add(group.release());

    return choice;
}


// add an input row.  This is a generic handler for built-in types, and
// supports multiline, single-line, and validated input (password, integer,
// double, file)
Fl_Input* CEntryFormTable::AddInputRow(const char* label_value,
                                       const char* current_value,
                                       EInputType type)
{
    int row_ht = 25;

    // label and value width
    int lw = int (m_Pack->w() / 3);
    int vw = m_Pack->w() - lw;

    // create our input item
    Fl_Input* input = NULL;
    Fl_Button* button = NULL;
    switch (type) {
    default:
    case eMultiLine:
        row_ht = 80;
        input = new Fl_Multiline_Input(lw, 0, vw, row_ht);
        input->wrap(1);
        break;

    case eSingleLine:
        row_ht = 25;
        input = new Fl_Input(lw, 0, vw, row_ht);
        break;

    case eFile:
        row_ht = 35;
        input = new Fl_File_Input(lw, 0, vw - 30, row_ht);

        // we also need a button...
        button = new Fl_Button(lw + vw - 22, 13, 19, 19);
        button->label("...");
        button->callback((Fl_Callback*)&CEntryFormTable::cb_FileOpen,
                         (void*)input);
        break;

    case eInteger:
        row_ht = 25;
        input = new Fl_Int_Input(lw, 0, vw, row_ht);
        break;

    case eDouble:
        row_ht = 25;
        input = new Fl_Float_Input(lw, 0, vw, row_ht);
        break;

    case eSecret:
        row_ht = 25;
        input = new Fl_Secret_Input(lw, 0, vw, row_ht);
        break;
    }

    _ASSERT(input);
    input->value(current_value);
    input->color(FL_BACKGROUND2_COLOR);

    // create a label to go with this as well...
    Fl_Box*   label = new Fl_Box(0, 0, lw, row_ht);
    label->label(label_value);
    label->align(FL_ALIGN_INSIDE | FL_ALIGN_RIGHT |
                 FL_ALIGN_CLIP | FL_ALIGN_WRAP);

    // create a group for this row
    Fl_Group*  group  = new Fl_Group(0, 0, m_Pack->w(), row_ht);
    group->add(label);
    group->add_resizable(*input);
    if (button) {
        group->add(button);
    }
    group->end();

    int h = m_Pack->h() + row_ht;
    m_Pack->size(m_Pack->w(), h);
    m_Pack->add(group);

    return input;
}


void CEntryFormTable::End() 
{
    int ht = m_Pack->h();
    ht += m_Pack->children() * m_Pack->spacing();
    resize(0, 0, w(), ht);
    add(m_Pack);
}


// internal callback for file open dialogs
void CEntryFormTable::cb_FileOpen(Fl_Widget* w, void* data)
{
    Fl_Input* input = reinterpret_cast<Fl_Input*> (data);
    if ( !input ) {
        return;
    }

    string str = NcbiFileBrowser("Open a file...", "", input->value());
    input->value(str.c_str());
}

END_NCBI_SCOPE


/*
 * ===========================================================================
 * $Log: table.cpp,v $
 * Revision 1000.2  2004/06/01 20:46:38  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.16
 *
 * Revision 1.16  2004/05/21 22:27:41  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.15  2004/03/11 17:33:21  dicuccio
 * Use new file dialog
 *
 * Revision 1.14  2004/01/13 20:34:10  dicuccio
 * Pass the current file into the file selector as the selected file
 *
 * Revision 1.13  2004/01/06 20:13:41  dicuccio
 * Made the '...' button smaller for file inputs
 *
 * Revision 1.12  2003/12/31 20:28:17  dicuccio
 * Use '...' instead of '>>' for file selection
 *
 * Revision 1.11  2003/12/17 21:02:22  jcherry
 * Cosmetic change to file input
 *
 * ===========================================================================
 */