config_dlg.cpp

来自「ncbi源码」· C++ 代码 · 共 407 行

/*
 * ===========================================================================
 * PRODUCTION $Log: config_dlg.cpp,v $
 * PRODUCTION Revision 1000.1  2004/06/01 20:45:26  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.3
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: config_dlg.cpp,v 1000.1 2004/06/01 20:45:26 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:  Robert G. Smith
 *
 * File Description:
 *    User-modifiable implementation file for extension of basic class, 
 *      CConfigDlg, a prototype dialog box used for editing preferences.
 *    A suitable mediator must be supplied to instantiate one.
 */


#include <ncbi_pch.hpp>
#include <gui/dialogs/config/config_dlg.hpp>
#include <gui/dialogs/config/iconfig_mediator.hpp>
#include <gui/dialogs/config/config_panel.hpp>
#include <gui/utils/message_box.hpp>

#include <FL/fl_ask.H>


BEGIN_NCBI_SCOPE

#include "config_dlg_.cpp"


CConfigDlg::CConfigDlg(IConfigMediator& mediator)
{
    m_ConfigMediator.Reset(& mediator);
    m_Window.reset(x_CreateWindow());
    
    SetTitle(m_ConfigMediator->GetWindowTitle());
    x_SetConfigPanel(* m_ConfigMediator->GetPanel().GetConfigPanel());
    
    // populate our browser
    x_SetStates(m_ConfigMediator->GetStates());

    // select the first thing in the state browser and Load it
    // NO. find out what the current state/style is and load that.
    // m_StyleBrowser->deselect();
    // m_StyleBrowser->value(1);
    m_ConfigMediator->Load(kEmptyStr);
    string first_state = m_ConfigMediator->GetCurrentState();
    x_SetSelectedState(first_state);
    x_SetLoadedState(first_state);
}


void CConfigDlg::x_SetConfigPanel(Fl_Group& new_group)
{
    // we don't know the size of the new group of widgets
    //  so most of this code is moving things to accomodate it.
    const int configPanelOffset = 0;
    
    Fl_Window* dlg_win = m_ConfigPanelHolder->window();
    
    //  find out things relative positions before we start moving stuff around.
    int right_margin =
        dlg_win->w() - (m_ConfigPanelHolder->x() + m_ConfigPanelHolder->w());
    int pack_bot_margin =
        dlg_win->h() - (m_ConfigPanelHolder->y() + m_ConfigPanelHolder->h());
    int win_h = dlg_win->h();
    int win_w = dlg_win->w();
    
    // make the whole window the right size.
    // do not decrease its size. It starts at its minimum.
    int new_window_width =
        right_margin + (m_ConfigPanelHolder->x() + new_group.w() + 2*configPanelOffset);
    new_window_width = max(new_window_width, dlg_win->w());
    int new_window_height =
        pack_bot_margin + (m_ConfigPanelHolder->y() + new_group.h() + 2*configPanelOffset);
    new_window_height = max(new_window_height, dlg_win->h());
    
    dlg_win->size(new_window_width, new_window_height);
    
    // Right now, is the smallest this window can be.
    dlg_win->size_range(dlg_win->w(), dlg_win->h());
    
    // make the Fl_Pack just wide enough (don't let it stretch our new group).
    m_ConfigPanelHolder->clear();
    // and Add it.
    new_group.position(m_ConfigPanelHolder->x() + configPanelOffset, m_ConfigPanelHolder->y() + configPanelOffset);
    m_ConfigPanelHolder->size(new_group.w() + 2*configPanelOffset, new_group.h() + 2*configPanelOffset);
    m_ConfigPanelHolder->add(& new_group);
    
    // necessary before we resize the window
    // since we might not have drawn this all yet.
    m_Tile->init_sizes();
    new_group.init_sizes();
    m_ConfigPanelHolder->init_sizes();
    m_RightGroup->init_sizes();
}


void CConfigDlg::x_SetStates(list<string> const& states)
{
    m_StyleBrowser->clear();
    ITERATE(list<string>, state_it, states) {
        m_StyleBrowser->add(state_it->c_str());
    }
}


//
// Browser selection -> State
// Return in the state param the string displayed
// on the selected line in the browser.
// If nothing was selected returns false and 'state'
// is unmodified.
//
bool CConfigDlg::x_GetSelectedState(string& state)
{
    int sel_idx = m_StyleBrowser->value();
    if (sel_idx == 0) {
        return false;
    }
    
    const char *browser_text = m_StyleBrowser->text(sel_idx);
    if (browser_text == NULL) {
        return false;
    }
    string the_state(browser_text);
    state.swap(the_state);
    return true;
}


// State -> Browser selection
// Select the line in the browser that has text the same
// as the 'state' parameter. 
// Does nothing if that text was not found.
void CConfigDlg::x_SetSelectedState(const string& state)
{
    int n = m_StyleBrowser->size();
    int i;
    for (i = 1; i <= n; ++i) {
        const char *a_text = m_StyleBrowser->text(i);
        if (a_text != NULL  &&  state == a_text) {
            m_StyleBrowser->deselect();
            m_StyleBrowser->value(i);
            x_UpdateSetBtns();
            return;
        }
    }
}

void CConfigDlg::x_SelectFirstState()
{
    m_StyleBrowser->deselect();
    m_StyleBrowser->value(1);
    x_UpdateSetBtns();
}

string CConfigDlg::x_GetLoadedState()
{
    return m_CurrentStyleText->value();
}


// show which state is loaded.
void CConfigDlg::x_SetLoadedState(const string& state)
{
    m_CurrentStyleText->value(state.c_str());
}

// load the currently selected state.
void CConfigDlg::x_OnUse()
{
    string this_state;
    if ( ! x_GetSelectedState(this_state) ) {
        return;
    }
    
    // TODO: Make auto-save optional
    m_ConfigMediator->Save(kEmptyStr);

    m_ConfigMediator->Load(this_state);
    x_SetLoadedState(this_state);
    
    m_Window->redraw();
}


void CConfigDlg::x_OnAdd()
{
    string  new_state;
    if ( m_ConfigMediator->AddState(new_state) ) {
        x_SetStates(m_ConfigMediator->GetStates());
        x_SetSelectedState(new_state);
        // x_OnUse();
        m_Window->redraw();
    } else {
        NcbiMessageBox("Failed to add new state.");
    }

}


void CConfigDlg::x_OnCopy()
{
    string this_state;
    if ( ! x_GetSelectedState(this_state) ) {
        return;
    }
    
    string  new_state;
    if ( m_ConfigMediator->DuplicateState(this_state, new_state) ) {
        x_SetStates(m_ConfigMediator->GetStates());
        x_SetSelectedState(new_state);
        // x_OnUse();
        m_Window->redraw();
    } else {
        string msg("Can not copy ");
        msg += this_state;
        NcbiMessageBox(msg);
    }
}


void CConfigDlg::x_OnRename()
{
    string this_state;
    if ( ! x_GetSelectedState(this_state) ) {
        return;
    }
    
    // can we do this?
    if ( ! m_ConfigMediator->CanRenameState(this_state)) {
        string msg("Can not rename ");
        msg += this_state;
        NcbiMessageBox(msg);
        return;
    }
    
    // Get a new name from the user (requested name).
    const char * req_state_cp =
        fl_input("Rename %s as:", this_state.c_str(), this_state.c_str());
    if (req_state_cp == 0) { // Canceled input
        return;
    }
    string  req_state(req_state_cp);
    if (req_state.empty()  ||  req_state  ==  this_state) {
        // requested name blank or no change to the name.
        return;
    }
    
    // rename it, get back the new name actually used.
    string  new_state;
    if ( m_ConfigMediator->RenameState(this_state, req_state, new_state) ) {
        x_SetStates(m_ConfigMediator->GetStates());
        x_SetSelectedState(new_state);
        // did we rename the currently loaded state?
        if (x_GetLoadedState() == this_state) {
            x_SetLoadedState(new_state);
        }
        m_Window->redraw();
    } else {
        // something else went wrong.
        string msg("Can not rename ");
        msg += this_state;
        NcbiMessageBox(msg);
    }

}


void CConfigDlg::x_OnDelete()
{
    string this_state;
    if ( ! x_GetSelectedState(this_state) ) {
        return;
    }
    
    if ( m_ConfigMediator->DeleteState(this_state) ) {
        m_StyleBrowser->deselect();
        x_SetStates(m_ConfigMediator->GetStates());
        
        // did we delete the currently loaded state?
        if (x_GetLoadedState() == this_state) {
            // select and load the first state in the list.
            x_SelectFirstState();
            x_OnUse();
        }
        m_Window->redraw();
    } else {
        string msg("Can not delete ");
        msg += this_state;
        NcbiMessageBox(msg);
    }

}


// Default callback for clicking the 'OK' button
void CConfigDlg::x_OnOK()
{
    m_ConfigMediator->Save(kEmptyStr);
    CDialog::x_OnOK();
}

void CConfigDlg::x_OnDefVals()
{
    m_ConfigMediator->LoadDefault();
    m_Window->redraw();
}


void CConfigDlg::x_OnClicks()
{
    x_UpdateSetBtns();
    if (Fl::event_clicks()) {
        x_OnUse();
    }
}


void CConfigDlg::x_UpdateSetBtns()
{
    bool    delRenameOn = true;
    
    string this_state;
    if ( x_GetSelectedState(this_state) ) {
        if ( ! m_ConfigMediator->CanRenameState(this_state)) {
            delRenameOn = false;
        }
    }
    
    if (delRenameOn) {
        m_RenameBtn->activate();
        m_DeleteBtn->activate();
    } else {
        m_RenameBtn->deactivate();
        m_DeleteBtn->deactivate();
    }
     
}


END_NCBI_SCOPE

/*
 * ===========================================================================
 * $Log: config_dlg.cpp,v $
 * Revision 1000.1  2004/06/01 20:45:26  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.3
 *
 * Revision 1.3  2004/05/21 22:27:41  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.2  2004/01/02 21:04:53  rsmith
 * remove misleading comment
 *
 * Revision 1.1  2003/12/30 14:09:38  dicuccio
 * Initial check-in - moved from gui/config
 *
 * Revision 1.5  2003/12/29 14:38:14  rsmith
 * take out SetTitle since it is supplied by the parent class.
 *
 * Revision 1.4  2003/11/21 12:52:25  rsmith
 * Fix bug with renaming loaded set of values.
 *
 * Revision 1.3  2003/11/18 20:23:46  rsmith
 * Various bug fixes and enhancements.
 *
 * Revision 1.2  2003/10/14 12:48:54  dicuccio
 * Inherit from CDialog.  Fix resizing issues.  Standardized widget sizes.
 *
 * Revision 1.1  2003/10/10 17:43:42  rsmith
 * moved from gui/core to gui/config
 *
 * Revision 1.1  2003/09/26 18:15:31  rsmith
 * plugin configration data and dialog
 *
 * ===========================================================================
 */