DownloadPage.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        DownloadPage.h
// Purpose:     Download page of the wizard
// Author:      Dave Page
// Created:     2007-02-13
// RCS-ID:      $Id: DownloadPage.cpp,v 1.18 2010/06/02 10:42:12 sachin Exp $
// Copyright:   (c) EnterpriseDB
// Licence:     BSD Licence
/////////////////////////////////////////////////////////////////////////////

#include "StackBuilder.h"

// wxWindows headers
#include <wx/wx.h>
#include <wx/wizard.h>
#include <wx/button.h>
#include <wx/dir.h>
#include <wx/dirdlg.h>
#include <wx/fileconf.h>
#include <wx/settings.h>
#include <wx/stdpaths.h>

#ifdef __WXMSW__
#include "Registry.h"
#endif

// Application headers
#include "DownloadPage.h"
#include "AppList.h"
#include "MirrorList.h"

const int BTN_BROWSE=1001;

BEGIN_EVENT_TABLE(DownloadPage, wxWizardPageSimple)
    EVT_BUTTON(BTN_BROWSE,                  DownloadPage::OnBrowse)
    EVT_WIZARD_PAGE_CHANGING(wxID_ANY,        DownloadPage::OnWizardPageChanging)
END_EVENT_TABLE()

DownloadPage::DownloadPage(wxWizard *parent, AppList *applist, MirrorList *mirrorlist)
    : wxWizardPageSimple(parent)
{
    m_applist = applist;
    m_mirrorlist = mirrorlist;

    wxBoxSizer *mainSizer = new wxBoxSizer(wxVERTICAL);

    mainSizer->Add(0, 10);

    wxStaticText *st = new wxStaticText(this, wxID_ANY, _("Review your selections and choose a download directory if required, and then click the Next button to begin downloading the packages you have selected."));
    st->Wrap(400);
    mainSizer->Add(st, 0, wxALL | wxFIXED_MINSIZE, 5);

    mainSizer->SetItemMinSize(st, 400, 65);

    st = new wxStaticText(this, wxID_ANY, _("Selected packages:"));
    st->Wrap(350);
    mainSizer->Add(st, 0, wxALL, 5);

    m_summary = new wxListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize);
    m_summary->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
    mainSizer->Add(m_summary, 4, wxALL | wxEXPAND, 5);

    mainSizer->Add(0, 10);

    st = new wxStaticText(this, wxID_ANY, _("Download directory:"));
    st->Wrap(350);
    mainSizer->Add(st, 0, wxALL, 5);

    // Get the download path
    wxString path;

#ifdef __WXMSW__
    pgRegKey *key = pgRegKey::OpenRegKey(HKEY_CURRENT_USER, wxT("Software\\PostgreSQL\\StackBuilder"));

    if (key == NULL || key->QueryValue(wxT("Download Path"), path) == false)
        path = wxGetHomeDir();

    if (key != NULL)
        delete key;
#else
#if wxCHECK_VERSION(3, 0, 0)
    wxFileConfig *cnf = new wxFileConfig(wxT("stackbuilder"));
#else
    wxFileConfig *cnf = new wxConfig(wxT("stackbuilder"));
#endif

    path = cnf->Read(wxT("DownloadPath"), wxGetHomeDir());
    delete cnf;
#endif

    // Add the path textbox and browse button
    wxBoxSizer *pathSizer = new wxBoxSizer(wxHORIZONTAL);

    m_path = new wxTextCtrl(this, wxID_ANY, path, wxDefaultPosition, wxSize(300, -1));
    pathSizer->Add(m_path, 0, wxALL | wxALIGN_CENTER, 2);

    m_browse = new wxButton(this, BTN_BROWSE, wxT("..."), wxDefaultPosition, wxSize(35, -1));
    pathSizer->Add(m_browse, 0, wxALL | wxALIGN_CENTER, 2);

    mainSizer->Add(pathSizer, 0, wxALL | wxALIGN_CENTER, 5);

    SetSizer(mainSizer);
    mainSizer->Fit(this);
}

void DownloadPage::OnBrowse(wxCommandEvent& WXUNUSED(event))
{
    wxDirDialog *dd = new wxDirDialog(this, _("Select a download directory"), m_path->GetValue());

    if (dd->ShowModal() != wxID_CANCEL)
        m_path->SetValue(dd->GetPath());

    delete dd;
}

void DownloadPage::OnWizardPageChanging(wxWizardEvent& event)
{
    // If we're going backwards, just bail out
    if (!event.GetDirection())
        return;

    if (!wxDir::Exists(m_path->GetValue()))
    {
        wxLogError(_("The download directory does not exist. Please select a valid directory."));
        event.Veto();
        return;
    }

    // Store the download location for next time
#ifdef __WXMSW__
    pgRegKey *key = pgRegKey::CreateRegKey(HKEY_CURRENT_USER, wxT("Software\\PostgreSQL\\StackBuilder"));

    if (key != NULL)
    {
        key->SetValue(wxT("Download Path"), m_path->GetValue());
        delete key;
    }
#else
#if wxCHECK_VERSION(3, 0, 0)
    wxFileConfig *cnf = new wxFileConfig(wxT("stackbuilder"));
#else
    wxFileConfig *cnf = new wxConfig(wxT("stackbuilder"));
#endif

    cnf->Write(wxT("DownloadPath"), m_path->GetValue()),
    delete cnf;
#endif

    if (!m_applist->DownloadFiles(m_path->GetValue(), m_mirrorlist->GetSelectedMirror()))
    {
        event.Veto();
        return;
    }
}