ProDeBusOrderDialog.cc

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
    Permission is hereby granted, free of charge, to any person obtaining a
    copy of this software and associated documentation files (the "Software"),
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    the rights to use, copy, modify, merge, publish, distribute, sublicense,
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    Software is furnished to do so, subject to the following conditions:
 
    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.
 
    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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/**
 * @file ProDeBusOrderDialog.cc
 *
 * Implementation of ProDeBusOrderDialog class.
 *
 * @author Veli-Pekka Jääskeläinen 2005 (vjaaskel-no.spam-cs.tut.fi)
 * @note rating: red
 */
 
#include <wx/statline.h>
#include <wx/listctrl.h>
#include "ProDeBusOrderDialog.hh"
#include "Machine.hh"
#include "WxConversion.hh"
#include "Bus.hh"
 
BEGIN_EVENT_TABLE(ProDeBusOrderDialog, wxDialog)
    EVT_BUTTON(ID_UP, ProDeBusOrderDialog::onUp)
    EVT_BUTTON(ID_DOWN, ProDeBusOrderDialog::onDown)
    EVT_LIST_ITEM_SELECTED(ID_LIST, ProDeBusOrderDialog::onBusSelectionChanged)
    EVT_LIST_ITEM_DESELECTED(ID_LIST, ProDeBusOrderDialog::onBusSelectionChanged)
    END_EVENT_TABLE()
 
/**
 * The Constructor.
 *
 * @param parent Parent window of the dialog.
 * @param machine Machine containing the buses to order.
 */
ProDeBusOrderDialog::ProDeBusOrderDialog(
    wxWindow* parent, TTAMachine::Machine& machine) :
    wxDialog(parent, -1, _T("Transport Bus Order"), wxDefaultPosition),
    machine_(machine) {
 
    createContents(this, true, true);
 
    list_ = dynamic_cast<wxListCtrl*>(FindWindow(ID_LIST));
    list_->InsertColumn(0, _T("index"), wxLIST_FORMAT_LEFT, 50);
    list_->InsertColumn(1, _T("bus"), wxLIST_FORMAT_LEFT, 180);
 
    // Disable conditional buttons.
    FindWindow(ID_UP)->Disable();
    FindWindow(ID_DOWN)->Disable();
 
    updateBusList();
 
}
 
/**
 * The Destructor.
 */
ProDeBusOrderDialog::~ProDeBusOrderDialog() {
}
 
 
/**
 * Updates the bus list order.
 */
void
ProDeBusOrderDialog::updateBusList() {
    list_->DeleteAllItems();
    const TTAMachine::Machine::BusNavigator& navigator =
        machine_.busNavigator();
 
    for (int i = 0; i < navigator.count(); i++) {
        std::string busName = navigator.item(i)->name();
        list_->InsertItem(i, WxConversion::toWxString(i));
        list_->SetItem(i, 1, WxConversion::toWxString(busName));
    }
}
 
/**
 * Moves the selected bus one position up (decreases the index by one).
 */
void
ProDeBusOrderDialog::onUp(wxCommandEvent&) {
 
    const TTAMachine::Machine::BusNavigator& navigator =
        machine_.busNavigator();
 
    int position = selectedBus();
    if (position <= 0) {
        return;
    }
    machine_.setBusPosition(*navigator.item(position), position - 1);
 
    updateBusList();
 
    // Reselect the moved bus.
    list_->SetItemState(
        position - 1, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 
    list_->EnsureVisible(position - 1);
}
 
 
/**
 * Moves the selected bus one position down (increases the index by one).
 */
void
ProDeBusOrderDialog::onDown(wxCommandEvent&) {
 
    const TTAMachine::Machine::BusNavigator& navigator =
        machine_.busNavigator();
 
    int position = selectedBus();
    if (position >= (navigator.count() - 1)) {
        return;
    }
 
    machine_.setBusPosition(*navigator.item(position), position + 1);
 
    updateBusList();
 
    // Reselect the moved bus.
    list_->SetItemState(
        position + 1, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 
    list_->EnsureVisible(position + 1);
}
 
/**
 * Enables and disables Up/Down buttons according to bus selection.
 */
void
ProDeBusOrderDialog::onBusSelectionChanged(wxListEvent&)  {
 
    const TTAMachine::Machine::BusNavigator& navigator =
        machine_.busNavigator();
 
    int selection = selectedBus();
 
    if (selection < 0) {
        FindWindow(ID_UP)->Disable();
        FindWindow(ID_DOWN)->Disable();
        return;
    }
 
    if (selection > 0) {
        FindWindow(ID_UP)->Enable();
    } else {
        FindWindow(ID_UP)->Disable();
    }
 
    if (selection < (navigator.count() - 1)) {
        FindWindow(ID_DOWN)->Enable();
    } else {
        FindWindow(ID_DOWN)->Disable();
    }
}
 
/**
 * Returns index of the selected bus, or -1 if no bs is selected.
 *
 * @return Index of bus selected in the bus list.
 */
int
ProDeBusOrderDialog::selectedBus() const {
    int item = -1;
    item = list_->GetNextItem(item, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
    return item;
}
 
 
/**
 * Creates the dialog widgets.
 */
wxSizer*
ProDeBusOrderDialog::createContents(
    wxWindow* parent, bool call_fit, bool set_sizer) {
 
    wxBoxSizer *item0 = new wxBoxSizer( wxVERTICAL );
 
    wxBoxSizer *item1 = new wxBoxSizer( wxHORIZONTAL );
 
    wxListCtrl *item2 = new wxListCtrl( parent, ID_LIST, wxDefaultPosition, wxSize(250,300), wxLC_REPORT|wxLC_SINGLE_SEL|wxSUNKEN_BORDER );
    item1->Add( item2, 0, wxALIGN_CENTER|wxALL, 5 );
 
    wxBoxSizer *item3 = new wxBoxSizer( wxVERTICAL );
 
    wxButton *item4 = new wxButton( parent, ID_UP, wxT("&Up"), wxDefaultPosition, wxDefaultSize, 0 );
    item3->Add( item4, 0, wxALIGN_CENTER|wxALL, 5 );
 
    wxButton *item5 = new wxButton( parent, ID_DOWN, wxT("&Down"), wxDefaultPosition, wxDefaultSize, 0 );
    item3->Add( item5, 0, wxALIGN_CENTER|wxALL, 5 );
 
    item1->Add( item3, 0, wxALL, 5 );
 
    item0->Add( item1, 0, wxALIGN_CENTER|wxALL, 5 );
 
    wxStaticLine *item6 = new wxStaticLine( parent, ID_LINE, wxDefaultPosition, wxSize(20,-1), wxLI_HORIZONTAL );
    item0->Add( item6, 0, wxGROW|wxALL, 5 );
 
    wxBoxSizer *item7 = new wxBoxSizer( wxHORIZONTAL );
 
    wxButton *item8 = new wxButton( parent, wxID_CANCEL, wxT("&Cancel"), wxDefaultPosition, wxDefaultSize, 0 );
    item7->Add( item8, 0, wxALIGN_CENTER|wxALL, 5 );
 
    wxButton *item9 = new wxButton( parent, wxID_OK, wxT("&OK"), wxDefaultPosition, wxDefaultSize, 0 );
    item7->Add( item9, 0, wxALIGN_CENTER|wxALL, 5 );
 
    item0->Add( item7, 0, wxALL, 5 );
 
    if (set_sizer)
    {
        parent->SetSizer( item0 );
        if (call_fit)
            item0->SetSizeHints( parent );
    }
 
    return item0;
}