#include "listbox.h"
#include <wx/textdlg.h>

Listbox::Listbox(const wxString& title)
       : wxFrame(NULL, wxID_ANY, title, wxDefaultPosition, wxSize(270, 200))
{

    wxPanel * panel = new wxPanel(this, -1);

    wxBoxSizer *hbox = new wxBoxSizer(wxHORIZONTAL);

    listbox = new wxListBox(panel, ID_LISTBOX, 
        wxPoint(-1, -1), wxSize(-1, -1)); 

    hbox->Add(listbox, 3, wxEXPAND | wxALL, 20);

    btnPanel = new MyPanel(panel);
    hbox->Add(btnPanel, 2, wxEXPAND | wxRIGHT, 10);

    Connect(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, 
        wxCommandEventHandler(Listbox::OnDblClick));

    panel->SetSizer(hbox);
    Center();

}


MyPanel::MyPanel(wxPanel * parent)
         : wxPanel(parent, wxID_ANY)
{
    wxBoxSizer *vbox = new wxBoxSizer(wxVERTICAL);

    Listbox *lb = (Listbox *) parent->GetParent();
    m_lb = lb->listbox;

    m_newb = new wxButton(this, wxID_NEW, wxT("New"));
    m_renameb = new wxButton(this, ID_RENAME, wxT("Rename"));
    m_deleteb = new wxButton(this, wxID_DELETE, wxT("Delete"));
    m_clearb = new wxButton(this, wxID_CLEAR, wxT("Clear"));

    Connect(wxID_NEW, wxEVT_COMMAND_BUTTON_CLICKED, 
        wxCommandEventHandler(MyPanel::OnNew) );
    Connect(ID_RENAME, wxEVT_COMMAND_BUTTON_CLICKED, 
        wxCommandEventHandler(MyPanel::OnRename) );
    Connect(wxID_CLEAR, wxEVT_COMMAND_BUTTON_CLICKED, 
        wxCommandEventHandler(MyPanel::OnClear) );
    Connect(wxID_DELETE, wxEVT_COMMAND_BUTTON_CLICKED, 
        wxCommandEventHandler(MyPanel::OnDelete) );

    vbox->Add(-1, 20);
    vbox->Add(m_newb);
    vbox->Add(m_renameb, 0, wxTOP, 5);
    vbox->Add(m_deleteb, 0, wxTOP, 5);
    vbox->Add(m_clearb, 0, wxTOP, 5);

    SetSizer(vbox);

}


void MyPanel::OnNew(wxCommandEvent& event) 
{
    wxString str = wxGetTextFromUser(wxT("Add new item"));
    if (str.Len() > 0)
        m_lb->Append(str); 
}

void MyPanel::OnClear(wxCommandEvent& event) 
{
    m_lb->Clear();
}

void MyPanel::OnRename(wxCommandEvent& event) 
{
    wxString text;
    wxString renamed;

    int sel = m_lb->GetSelection();
    if (sel != -1) {
        text = m_lb->GetString(sel);
        renamed = wxGetTextFromUser(wxT("Rename item"), 
                    wxT("Rename dialog"), text);
    }

    if (!renamed.IsEmpty()) {
        m_lb->Delete(sel);
        m_lb->Insert(renamed, sel);
    }
}


void MyPanel::OnDelete(wxCommandEvent& event) 
{
    int sel = m_lb->GetSelection();
    if (sel != -1) {
        m_lb->Delete(sel);
    }
}


void Listbox::OnDblClick(wxCommandEvent& event) 
{
    wxString text;
    wxString renamed;

    int sel = listbox->GetSelection();
    if (sel != -1) {
        text = listbox->GetString(sel);
        renamed = wxGetTextFromUser(wxT("Rename item"), 
                    wxT("Rename dialog"), text);
    } 

    if (!renamed.IsEmpty()) {
        listbox->Delete(sel);
        listbox->Insert(renamed, sel);
    }
}