//////////////////////////////////////////////////////////////////////
// This file is part of Remere's Map Editor
//////////////////////////////////////////////////////////////////////
// Remere's Map Editor is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Remere's Map Editor is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//////////////////////////////////////////////////////////////////////

#include "main.h"
#include "numbertextctrl.h"

BEGIN_EVENT_TABLE(NumberTextCtrl, wxTextCtrl)
EVT_KILL_FOCUS(NumberTextCtrl::OnKillFocus)
EVT_TEXT_ENTER(wxID_ANY, NumberTextCtrl::OnTextEnter)
END_EVENT_TABLE()

NumberTextCtrl::NumberTextCtrl(wxWindow* parent, wxWindowID id, long value, long minvalue, long maxvalue, const wxPoint &pos, const wxSize &sz, long style, const wxString &name) :
	wxTextCtrl(parent, id, (wxString() << value), pos, sz, style, wxTextValidator(wxFILTER_NUMERIC), name),
	minval(minvalue), maxval(maxvalue), lastval(value) {
	////
}

NumberTextCtrl::NumberTextCtrl(wxWindow* parent, wxWindowID id, long value, long minvalue, long maxvalue, long style, const wxString &name, const wxPoint &pos, const wxSize &sz) :
	wxTextCtrl(parent, id, (wxString() << value), pos, sz, style, wxTextValidator(wxFILTER_NUMERIC), name),
	minval(minvalue), maxval(maxvalue), lastval(value) {
	////
}

NumberTextCtrl::~NumberTextCtrl() {
	////
}

void NumberTextCtrl::OnKillFocus(wxFocusEvent &evt) {
	CheckRange();
	evt.Skip();
}

void NumberTextCtrl::OnTextEnter(wxCommandEvent &evt) {
	CheckRange();
}

void NumberTextCtrl::SetIntValue(long value) {
	wxString sv;
	sv << value;
	// Will generate events
	SetValue(sv);
}

long NumberTextCtrl::GetIntValue() {
	long l;
	if (GetValue().ToLong(&l)) {
		return l;
	}
	return 0;
}

void NumberTextCtrl::SetMinValue(long value) {
	if (value == minval) {
		return;
	}
	minval = value;
	CheckRange();
}

void NumberTextCtrl::SetMaxValue(long value) {
	if (value == maxval) {
		return;
	}
	maxval = value;
	CheckRange();
}

void NumberTextCtrl::CheckRange() {
	wxString text = GetValue();
	wxString ntext;

	for (size_t s = 0; s < text.size(); ++s) {
		if (text[s] >= '0' && text[s] <= '9') {
			ntext.Append(text[s]);
		}
	}

	// Check that value is in range
	long v;
	if (ntext.size() != 0 && ntext.ToLong(&v)) {
		if (v < minval) {
			v = minval;
		} else if (v > maxval) {
			v = maxval;
		}

		ntext.clear();
		ntext << v;
		lastval = v;
	} else {
		ntext.clear();
		ntext << lastval;
	}

	// Check if there was any change
	if (ntext != text) {
		// ChangeValue doesn't generate events
		ChangeValue(ntext);
	}
}