#include "precompiled.h"

/*
 * wxJavaScript - combobox.cpp
 *
 * Copyright (c) 2002-2007 Franky Braem and the wxJavaScript project
 *
 * Project Info: http://www.wxjavascript.net or http://wxjs.sourceforge.net
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * $Id: combobox.cpp 810 2007-07-13 20:07:05Z fbraem $
 */

#ifndef WX_PRECOMP
	#include <wx/wx.h>
#endif

#include "../../common/main.h"
#include "../../common/index.h"
#include "../../ext/wxjs_ext.h"

#include "../event/jsevent.h"
#include "../event/command.h"

#include "combobox.h"
#include "window.h"

#include "../misc/size.h"
#include "../misc/validate.h"
#include "../errors.h"

using namespace wxjs;
using namespace wxjs::gui;

/***
 * <file>control/combobox</file>
 * <module>gui</module>
 * <class name="wxComboBox" prototype="@wxControlWithItems">
 *	A combobox is like a combination of an edit control and a listbox.
 *	It can be displayed as static list with editable or read-only text field; 
 *	or a drop-down list with text field; or a drop-down list without a text 
 *  field.
 * </class>
 */
WXJS_INIT_CLASS(ComboBox, "wxComboBox", 2)

void ComboBox::InitClass(JSContext* WXUNUSED(cx),
                         JSObject* WXUNUSED(obj), 
                         JSObject* WXUNUSED(proto))
{
  ComboBoxEventHandler::InitConnectEventMap();
}

/***
 * <properties>
 *  <property name="canCopy" type="Boolean" readonly="Y">
 *   Returns true if the combobox is editable and there is a text 
 *   selection to copy to the clipboard. Only available on Windows.
 *  </property>
 *  <property name="canCut" type="Boolean" readonly="Y">
 *   Returns true if the combobox is editable and there is a text selection 
 *   to cut to the clipboard. Only available on Windows.
 *  </property>
 *  <property name="canPaste" type="Boolean" readonly="Y">
 *   Returns true if the combobox is editable and there is text to paste 
 *   from the clipboard. Only available on Windows.
 *  </property>
 *  <property name="canRedo" type="Boolean" readonly="Y">
 *   Returns true if the combobox is editable and the last undo can be redone. 
 *   Only available on Windows.
 *  </property>
 *  <property name="canUndo" type="Boolean" readonly="Y">
 *   Returns true if the combobox is editable and the last edit can be undone. 
 *   Only available on Windows.
 *  </property>
 *	<property name="value" type="String">
 *	 Gets/Sets the text field
 *  </property>
 *  <property name="insertionPoint" type="Integer">
 *	 Gets/Sets the insertion point of the text field
 *  </property>
 *	<property name="lastPosition" type="Integer" readonly="Y">
 *	 Gets the last position of the text field
 *  </property>
 * </properties>
 */
WXJS_BEGIN_PROPERTY_MAP(ComboBox)
  WXJS_PROPERTY(P_VALUE, "value")
  WXJS_PROPERTY(P_INSERTION_POINT, "insertionPoint")
  WXJS_READONLY_PROPERTY(P_LAST_POSITION, "lastPosition")
  WXJS_READONLY_PROPERTY(P_CAN_COPY, "canCopy")
  WXJS_READONLY_PROPERTY(P_CAN_CUT, "canCut")
  WXJS_READONLY_PROPERTY(P_CAN_PASTE, "canPaste")
  WXJS_READONLY_PROPERTY(P_CAN_REDO, "canRedo")
  WXJS_READONLY_PROPERTY(P_CAN_UNDO, "canUndo")
WXJS_END_PROPERTY_MAP()

bool ComboBox::GetProperty(wxComboBox *p, 
                           JSContext *cx,
                           JSObject* WXUNUSED(obj),
                           int id,
                           jsval *vp)
{
	switch (id) 
	{
	case P_CAN_COPY:
		*vp = ToJS(cx, p->CanCopy());
		break;
	case P_CAN_CUT:
		*vp = ToJS(cx, p->CanCut());
		break;
	case P_CAN_PASTE:
		*vp = ToJS(cx, p->CanPaste());
		break;
	case P_CAN_REDO:
		*vp = ToJS(cx, p->CanRedo());
		break;
	case P_CAN_UNDO:
		*vp = ToJS(cx, p->CanUndo());
		break;
	case P_VALUE:
		*vp = ToJS(cx, p->GetValue());
		break;
	case P_INSERTION_POINT:
		*vp = ToJS(cx, p->GetInsertionPoint());
		break;
	case P_LAST_POSITION:
		*vp = ToJS(cx, p->GetLastPosition());
		break;
	}
	return true;
}

bool ComboBox::SetProperty(wxComboBox *p,
                           JSContext *cx,
                           JSObject* WXUNUSED(obj),
                           int id,
                           jsval *vp)
{
	switch (id) 
	{
	case P_VALUE:
		{
			wxString value;
			FromJS(cx, *vp, value);
			p->SetValue(value);
			break;
		}
	case P_INSERTION_POINT:
		{
			int point;
			if ( FromJS(cx, *vp, point) )
				p->SetInsertionPoint(point);
			break;
		}
	}
	return true;
}

bool ComboBox::AddProperty(wxComboBox *p, 
                           JSContext* WXUNUSED(cx), 
                           JSObject* WXUNUSED(obj), 
                           const wxString &prop, 
                           jsval* WXUNUSED(vp))
{
    if ( WindowEventHandler::ConnectEvent(p, prop, true) )
        return true;
    
    ComboBoxEventHandler::ConnectEvent(p, prop, true);

    return true;
}

bool ComboBox::DeleteProperty(wxComboBox *p, 
                              JSContext* WXUNUSED(cx), 
                              JSObject* WXUNUSED(obj), 
                              const wxString &prop)
{
  if ( WindowEventHandler::ConnectEvent(p, prop, false) )
    return true;
  
  ComboBoxEventHandler::ConnectEvent(p, prop, false);
  return true;
}

/***
 * <constants>
 *	<type name="Style">
 *	 <constant>SIMPLE</constant>
 *	 <constant>DROPDOWN</constant>
 *	 <constant>READONLY</constant>
 *	 <constant>SORT</constant>
 *  </type>
 * </constants>
 */
WXJS_BEGIN_CONSTANT_MAP(ComboBox)
  WXJS_CONSTANT(wxCB_, SIMPLE)
  WXJS_CONSTANT(wxCB_, DROPDOWN)
  WXJS_CONSTANT(wxCB_, READONLY)
  WXJS_CONSTANT(wxCB_, SORT)
WXJS_END_CONSTANT_MAP()

/***
 * <ctor>
 *  <function />
 *	<function>
 *	 <arg name="Parent" type="@wxWindow">
 *    The parent of the wxComboBox
 *   </arg>
 *	 <arg name="Id" type="Integer">
 *	  A window identifier. Use -1 when you don't need it
 *   </arg>
 *   <arg name="Text" type="String" default="">
 *	  The default text of the text field
 *   </arg>
 *   <arg name="Position" type="@wxPoint" default="wxDefaultPosition">
 *	  The position of the control on the given parent.
 *   </arg>
 *   <arg name="Size" type="@wxSize" default="wxDefaultSize">
 *	  The size of the control.
 *   </arg>
 *   <arg name="Items" type="Array" default="null">
 *	  An array of Strings to initialize the control.
 *   </arg>
 *   <arg name="Style" type="Integer" default="0">
 *	  The window style.
 *   </arg>
 *   <arg name="Validator" type="@wxValidator" default="null">
 *    A validator
 *   </arg>
 *  </function>
 *  <desc>
 *	 Constructs a new wxComboBox object
 *  </desc>
 * </ctor>
 */
wxComboBox *ComboBox::Construct(JSContext *cx,
                                JSObject *obj,
                                uintN argc,
                                jsval *argv,
                                bool WXUNUSED(constructing))
{
  wxComboBox *p = new wxComboBox();
  SetPrivate(cx, obj, p);

  if ( argc > 0 )
  {
    jsval rval;
    if ( ! create(cx, obj, argc, argv, &rval) )
      return NULL;
  }
  return p;
}

WXJS_BEGIN_METHOD_MAP(ComboBox)
  WXJS_METHOD("create", create, 2)
  WXJS_METHOD("copy", copy, 0)
  WXJS_METHOD("cut", cut, 0)
  WXJS_METHOD("paste", paste, 0)
  WXJS_METHOD("replace", replace, 3)
  WXJS_METHOD("remove", remove, 2)
  WXJS_METHOD("redo", redo, 0)
  WXJS_METHOD("undo", undo, 0)
WXJS_END_METHOD_MAP()

/***
 * <method name="create">
 *	<function>
 *	 <arg name="Parent" type="@wxWindow">
 *    The parent of the wxComboBox
 *   </arg>
 *	 <arg name="Id" type="Integer">
 *	  A window identifier. Use -1 when you don't need it
 *   </arg>
 *   <arg name="Text" type="String" default="">
 *	  The default text of the text field
 *   </arg>
 *   <arg name="Position" type="@wxPoint" default="wxDefaultPosition">
 *	  The position of the control on the given parent.
 *   </arg>
 *   <arg name="Size" type="@wxSize" default="wxDefaultSize">
 *	  The size of the control.
 *   </arg>
 *   <arg name="Items" type="Array" default="null">
 *	  An array of Strings to initialize the control.
 *   </arg>
 *   <arg name="Style" type="Integer" default="0">
 *	  The window style.
 *   </arg>
 *   <arg name="Validator" type="@wxValidator" default="null">
 *    A validator
 *   </arg>
 *  </function>
 *  <desc>
 *	 Creates a wxComboBox
 *  </desc>
 * </method>
 */
JSBool ComboBox::create(JSContext *cx,
                        JSObject *obj,
                        uintN argc,
                        jsval *argv,
                        jsval *rval)
{
  wxComboBox *p = GetPrivate(cx, obj);
  *rval = JSVAL_FALSE;
  if ( argc > 8 )
      argc = 8;

  int style = 0;
  StringsPtr items;
  wxString text;
  const wxPoint *pt = &wxDefaultPosition;
  const wxSize *size = &wxDefaultSize;
  const wxValidator *val = &wxDefaultValidator;

  switch(argc)
  {
  case 8:
      val = Validator::GetPrivate(cx, argv[7]);
      if ( val == NULL )
      {
        JS_ReportError(cx, WXJS_INVALID_ARG_TYPE, 8, "wxValidator");
        return JS_FALSE;
      }
  case 7:
      if ( ! FromJS(cx, argv[6], style) )
      {
        JS_ReportError(cx, WXJS_INVALID_ARG_TYPE, 7, "Integer");
        return JS_FALSE;
      }
  case 6:
  	if ( ! FromJS(cx, argv[5], items) )
    {
      JS_ReportError(cx, WXJS_INVALID_ARG_TYPE, 6, "Array");
      return JS_FALSE;
    }
  case 5:
	size = Size::GetPrivate(cx, argv[4]);
	if ( size == NULL )
    {
      JS_ReportError(cx, WXJS_INVALID_ARG_TYPE, 5, "wxSize");
      return JS_FALSE;
    }
  case 4:
    pt = wxjs::ext::GetPoint(cx, argv[3]);
	if ( pt == NULL )
    {
      JS_ReportError(cx, WXJS_INVALID_ARG_TYPE, 4, "wxPoint");
      return JS_FALSE;
    }
	// Fall through
  default:
      
      wxString text;
      FromJS(cx, argv[2], text);
      
      int id;
      if ( ! FromJS(cx, argv[1], id) )
      {
        JS_ReportError(cx, WXJS_INVALID_ARG_TYPE, 2, "wxValidator");
        return JS_FALSE;
      }

      wxWindow *parent = Window::GetPrivate(cx, argv[0]);
      if ( parent == NULL )
      {
          JS_ReportError(cx, WXJS_NO_PARENT_ERROR, GetClass()->name);
          return JS_FALSE;
      }
      JavaScriptClientData *clntParent =
            dynamic_cast<JavaScriptClientData *>(parent->GetClientObject());
      if ( clntParent == NULL )
      {
          JS_ReportError(cx, WXJS_NO_PARENT_ERROR, GetClass()->name);
          return JS_FALSE;
      }
      JS_SetParent(cx, obj, clntParent->GetObject());

      if ( p->Create(parent, id, text, *pt, *size, 
                       items.GetCount(), items.GetStrings(), style, *val) )
      {
        *rval = JSVAL_TRUE;
        p->SetClientObject(new JavaScriptClientData(cx, obj, true, false));
      }
  }

  return JS_TRUE;
}

/***
 * <method name="copy">
 *	<function />
 *  <desc>
 *	 Copies the selected text to the clipboard
 *  </desc>
 * </method>
 */
JSBool ComboBox::copy(JSContext *cx,
                      JSObject *obj,
					  uintN WXUNUSED(argc),
                      jsval* WXUNUSED(argv),
                      jsval* WXUNUSED(rval))
{
    wxComboBox *p = GetPrivate(cx, obj);
	if ( p == NULL )
		return JS_FALSE;

	p->Copy();

	return JS_TRUE;
}

/***
 * <method name="cut">
 *	<function />
 *  <desc>
 *	 Copies the selected text to the clipboard and removes the selected text
 *  </desc>
 * </method>
 */
JSBool ComboBox::cut(JSContext *cx,
                     JSObject *obj,
					 uintN WXUNUSED(argc),
                     jsval* WXUNUSED(argv),
                     jsval* WXUNUSED(rval))
{
    wxComboBox *p = GetPrivate(cx, obj);
	if ( p == NULL )
		return JS_FALSE;

	p->Cut();

	return JS_TRUE;
}

/***
 * <method name="paste">
 *	<function />
 *  <desc>
 *	 Pastes the content of the clipboard in the text field.
 *  </desc>
 * </method>
 */
JSBool ComboBox::paste(JSContext *cx,
                       JSObject *obj,
					   uintN WXUNUSED(argc),
                       jsval* WXUNUSED(argv),
                       jsval* WXUNUSED(rval))
{
    wxComboBox *p = GetPrivate(cx, obj);
	if ( p == NULL )
		return JS_FALSE;

	p->Paste();

	return JS_TRUE;
}

/***
 * <method name="redo">
 *	<function />
 *  <desc>
 *   Redoes the last undo in the text field. Windows only.
 *  </desc>
 * </method>
 */
JSBool ComboBox::redo(JSContext *cx,
                      JSObject *obj,
					  uintN WXUNUSED(argc),
                      jsval* WXUNUSED(argv), 
                      jsval* WXUNUSED(rval))
{
    wxComboBox *p = GetPrivate(cx, obj);
	if ( p == NULL )
		return JS_FALSE;

	p->Redo();

	return JS_TRUE;
}

/***
 * <method name="remove">
 *	<function>
 *	 <arg name="From" type="Integer" />
 *	 <arg name="To" type="Integer" />
 *  </function>
 *	<desc>
 *   Removes the text between From and To
 *  </desc>
 * </method>
 */
JSBool ComboBox::remove(JSContext *cx,
                        JSObject *obj, 
						uintN WXUNUSED(argc), 
                        jsval* argv, 
                        jsval* WXUNUSED(rval))
{
    wxComboBox *p = GetPrivate(cx, obj);
	if ( p == NULL )
		return JS_FALSE;
	
    long from = 0L;
	long to = 0L;
    if (    FromJS(cx, argv[0], from) 
         && FromJS(cx, argv[1], to) )
	{
		p->Remove(from, to);
		return JS_TRUE;
	}

    return JS_FALSE;
}

/***
 * <method name="replace">
 *	<function>
 *   <arg name="From" type="Integer" />
 *	 <arg name="To" type="Integer" />
 *	 <arg name="Text" type="String" />
 *  </function>
 *  <desc>
 *	 Replaces the text between From and To with the given text
 *  </desc>
 * </method>
 */
JSBool ComboBox::replace(JSContext *cx, 
                         JSObject *obj,
						 uintN WXUNUSED(argc), 
                         jsval* argv, 
                         jsval* WXUNUSED(rval))
{
    wxComboBox *p = GetPrivate(cx, obj);
	if ( p == NULL )
		return JS_FALSE;

	int from;
	int to;
	wxString text;

    if (    FromJS(cx, argv[0], from)
         && FromJS(cx, argv[1], to)
         && FromJS(cx, argv[2], text) )
    {
    	p->Replace(from, to, text);
        return JS_TRUE;
    }
	return JS_FALSE;
}

/***
 * <method name="undo">
 *	<function />
 *  <desc>
 *	 Undoes the last edit in the text field. Windows only.
 *  </desc>
 * </method>
 */
JSBool ComboBox::undo(JSContext *cx,
                      JSObject *obj,
					  uintN WXUNUSED(argc),
                      jsval* WXUNUSED(argv),
                      jsval* WXUNUSED(rval))
{
    wxComboBox *p = GetPrivate(cx, obj);
	if ( p == NULL )
		return JS_FALSE;

	p->Undo();

	return JS_TRUE;
}

/***
 * <events>
 *  <event name="onText">
 *	 Called when the text of the textfield is changed. 
 *	 The type of the argument that your handler receives is @wxCommandEvent.
 *  </event>
 *	<event name="onComboBox">
 *	 Called when an item is selected. The type of the argument 
 *	 that your handler receives is @wxCommandEvent.
 *  </event>
 * </events>
 */
WXJS_INIT_EVENT_MAP(wxComboBox)
const wxString WXJS_COMBOBOX_EVENT = wxT("onComboBox");
const wxString WXJS_TEXT_EVENT = wxT("onText");
const wxString WXJS_TEXT_ENTER_EVENT = wxT("onTextEnter");

void ComboBoxEventHandler::OnText(wxCommandEvent &event)
{
	PrivCommandEvent::Fire<CommandEvent>(event, WXJS_TEXT_EVENT);
}

void ComboBoxEventHandler::OnTextEnter(wxCommandEvent &event)
{
	PrivCommandEvent::Fire<CommandEvent>(event, WXJS_TEXT_ENTER_EVENT);
}

void ComboBoxEventHandler::OnComboBox(wxCommandEvent &event)
{
	PrivCommandEvent::Fire<CommandEvent>(event, WXJS_COMBOBOX_EVENT);
}

void ComboBoxEventHandler::ConnectText(wxComboBox *p, bool connect)
{
  if ( connect )
  {
    p->Connect(wxEVT_COMMAND_TEXT_UPDATED, 
               wxCommandEventHandler(ComboBoxEventHandler::OnText));
  }
  else
  {
    p->Disconnect(wxEVT_COMMAND_TEXT_UPDATED, 
                  wxCommandEventHandler(ComboBoxEventHandler::OnText));
  }
}

void ComboBoxEventHandler::ConnectTextEnter(wxComboBox *p, bool connect)
{
  if ( connect )
  {
    p->Connect(wxEVT_COMMAND_TEXT_ENTER, 
               wxCommandEventHandler(ComboBoxEventHandler::OnTextEnter));
  }
  else
  {
    p->Disconnect(wxEVT_COMMAND_TEXT_ENTER, 
                  wxCommandEventHandler(ComboBoxEventHandler::OnTextEnter));
  }
}

void ComboBoxEventHandler::ConnectComboBox(wxComboBox *p, bool connect)
{
  if ( connect )
  {
    p->Connect(wxEVT_COMMAND_COMBOBOX_SELECTED, 
               wxCommandEventHandler(ComboBoxEventHandler::OnComboBox));
  }
  else
  {
    p->Disconnect(wxEVT_COMMAND_COMBOBOX_SELECTED, 
                  wxCommandEventHandler(ComboBoxEventHandler::OnComboBox));
  }
}

void ComboBoxEventHandler::InitConnectEventMap()
{
  AddConnector(WXJS_COMBOBOX_EVENT, ConnectComboBox);
  AddConnector(WXJS_TEXT_EVENT, ConnectText);
  AddConnector(WXJS_TEXT_ENTER_EVENT, ConnectTextEnter);
}