RmlUi/Source/Lua/Document.cpp

/*
 * This source file is part of RmlUi, the HTML/CSS Interface Middleware
 *
 * For the latest information, see http://github.com/mikke89/RmlUi
 *
 * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
 * Copyright (c) 2019 The RmlUi Team, and contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the 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 THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */
 
#include "Document.h"
#include <RmlUi/Core/ElementDocument.h>
#include <RmlUi/Core/Context.h>
#include "Element.h"
#include <RmlUi/Lua/Utilities.h>

namespace Rml {
namespace Lua {

template<> void ExtraInit<Document>(lua_State* L, int metatable_index)
{
    //we will inherit from Element
    ExtraInit<Element>(L,metatable_index);
    LuaType<Element>::_regfunctions(L,metatable_index,metatable_index - 1);
    AddTypeToElementAsTable<Document>(L);
    
    //create the DocumentFocus table
    lua_getglobal(L,"DocumentModal");
    if(lua_isnoneornil(L,-1))
    {
        lua_pop(L,1); //pop unsucessful getglobal
        lua_newtable(L); //create a table for holding the enum
        lua_pushinteger(L,(int)ModalFlag::None);
        lua_setfield(L,-2,"None");
        lua_pushinteger(L,(int)ModalFlag::Modal);
        lua_setfield(L,-2,"Modal");
		lua_pushinteger(L, (int)ModalFlag::Keep);
        lua_setfield(L,-2,"Keep");
        lua_setglobal(L,"DocumentModal");
    }

	//create the DocumentFocus table
	lua_getglobal(L, "DocumentFocus");
	if (lua_isnoneornil(L, -1))
	{
		lua_pop(L, 1); //pop unsucessful getglobal
		lua_newtable(L); //create a table for holding the enum
		lua_pushinteger(L, (int)FocusFlag::None);
		lua_setfield(L, -2, "None");
		lua_pushinteger(L, (int)FocusFlag::Document);
		lua_setfield(L, -2, "Document");
		lua_pushinteger(L, (int)FocusFlag::Keep);
		lua_setfield(L, -2, "Keep");
		lua_pushinteger(L, (int)FocusFlag::Auto);
		lua_setfield(L, -2, "Auto");
		lua_setglobal(L, "DocumentFocus");
	}
}

//methods
int DocumentPullToFront(lua_State* /*L*/, Document* obj)
{
    obj->PullToFront();
    return 0;
}

int DocumentPushToBack(lua_State* /*L*/, Document* obj)
{
    obj->PushToBack();
    return 0;
}

int DocumentShow(lua_State* L, Document* obj)
{
    int top = lua_gettop(L);
    if(top == 0)
        obj->Show();
    else if(top == 1)
    {
        ModalFlag modal = (ModalFlag)luaL_checkinteger(L,1);
        obj->Show(modal);
    }
	else
	{
        ModalFlag modal = (ModalFlag)luaL_checkinteger(L,1);
		FocusFlag focus = (FocusFlag)luaL_checkinteger(L,2);
		obj->Show(modal, focus);
	}
    return 0;
}

int DocumentHide(lua_State* /*L*/, Document* obj)
{
    obj->Hide();
    return 0;
}

int DocumentClose(lua_State* /*L*/, Document* obj)
{
    obj->Close();
    return 0;
}

int DocumentCreateElement(lua_State* L, Document* obj)
{
    const char* tag = luaL_checkstring(L,1);
    ElementPtr* ele = new ElementPtr( obj->CreateElement(tag) );
    LuaType<ElementPtr>::push(L,ele,true);
    return 1;
}

int DocumentCreateTextNode(lua_State* L, Document* obj)
{
    //need ElementText object first
    const char* text = luaL_checkstring(L,1);
    ElementPtr* et = new ElementPtr( obj->CreateTextNode(text) );
    LuaType<ElementPtr>::push(L, et, true);
	return 1;
}


//getters
int DocumentGetAttrtitle(lua_State* L)
{
    Document* doc = LuaType<Document>::check(L,1);
    RMLUI_CHECK_OBJ(doc);
    lua_pushstring(L,doc->GetTitle().c_str());
    return 1;
}

int DocumentGetAttrcontext(lua_State* L)
{
    Document* doc = LuaType<Document>::check(L,1);
    RMLUI_CHECK_OBJ(doc);
    LuaType<Context>::push(L,doc->GetContext(),false);
    return 1;
}


//setters
int DocumentSetAttrtitle(lua_State* L)
{
    Document* doc = LuaType<Document>::check(L,1);
    RMLUI_CHECK_OBJ(doc);
    const char* title = luaL_checkstring(L,2);
    doc->SetTitle(title);
    return 0;
}


RegType<Document> DocumentMethods[] =
{
    RMLUI_LUAMETHOD(Document,PullToFront)
    RMLUI_LUAMETHOD(Document,PushToBack)
    RMLUI_LUAMETHOD(Document,Show)
    RMLUI_LUAMETHOD(Document,Hide)
    RMLUI_LUAMETHOD(Document,Close)
    RMLUI_LUAMETHOD(Document,CreateElement)
    RMLUI_LUAMETHOD(Document,CreateTextNode)
    { nullptr, nullptr },
};

luaL_Reg DocumentGetters[] =
{
    RMLUI_LUAGETTER(Document,title)
    RMLUI_LUAGETTER(Document,context)
    { nullptr, nullptr },
};

luaL_Reg DocumentSetters[] =
{
    RMLUI_LUASETTER(Document,title)
    { nullptr, nullptr },
};

RMLUI_LUATYPE_DEFINE(Document)
} // namespace Lua
} // namespace Rml