MyGUI_ResourceLayout.cpp

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/*
 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
 * Distributed under the MIT License
 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
 */

#include "MyGUI_Precompiled.h"
#include "MyGUI_ResourceLayout.h"
#include "MyGUI_CoordConverter.h"
#include "MyGUI_RenderManager.h"
#include "MyGUI_ControllerManager.h"
#include "MyGUI_LayoutManager.h"
#include "MyGUI_Widget.h"
#include "MyGUI_Gui.h"

namespace MyGUI
{

    ResourceLayout::ResourceLayout()
    {
    }

    ResourceLayout::ResourceLayout(xml::ElementPtr _node, const std::string& _fileName)
    {
        // FIXME hardcoded version
        deserialization(_node, Version(1, 0, 0));
        mResourceName = _fileName;
    }

    void ResourceLayout::deserialization(xml::ElementPtr _node, Version _version)
    {
        Base::deserialization(_node, _version);

        mLayoutData.clear();

        xml::ElementEnumerator widget = _node->getElementEnumerator();
        while (widget.next("Widget"))
            mLayoutData.push_back(parseWidget(widget));
    }

    WidgetInfo ResourceLayout::parseWidget(xml::ElementEnumerator& _widget)
    {
        WidgetInfo widgetInfo;

        std::string tmp;

        _widget->findAttribute("type", widgetInfo.type);
        _widget->findAttribute("skin", widgetInfo.skin);
        _widget->findAttribute("layer", widgetInfo.layer);

        if (_widget->findAttribute("align", tmp)) widgetInfo.align = Align::parse(tmp);

        _widget->findAttribute("name", widgetInfo.name);

        if (_widget->findAttribute("style", tmp)) widgetInfo.style = WidgetStyle::parse(tmp);

        IntCoord coord;
        if (_widget->findAttribute("position", tmp))
        {
            widgetInfo.intCoord = IntCoord::parse(tmp);
            widgetInfo.positionType = WidgetInfo::Pixels;
        }
        else if (_widget->findAttribute("position_real", tmp))
        {
            widgetInfo.floatCoord = FloatCoord::parse(tmp);
            widgetInfo.positionType = WidgetInfo::Relative;
        }

        // берем детей и крутимся
        xml::ElementEnumerator node = _widget->getElementEnumerator();
        while (node.next())
        {
            if (node->getName() == "Widget")
            {
                widgetInfo.childWidgetsInfo.push_back(parseWidget(node));
            }
            else if (node->getName() == "Property")
            {
                widgetInfo.properties.push_back(PairString(node->findAttribute("key"), node->findAttribute("value")));
            }
            else if (node->getName() == "UserString")
            {
                widgetInfo.userStrings[node->findAttribute("key")] = node->findAttribute("value");
            }
            else if (node->getName() == "Controller")
            {
                ControllerInfo controllerInfo;
                controllerInfo.type = node->findAttribute("type");

                xml::ElementEnumerator prop = node->getElementEnumerator();
                while (prop.next("Property"))
                    controllerInfo.properties[prop->findAttribute("key")] = prop->findAttribute("value");

                widgetInfo.controllers.push_back(controllerInfo);
            }
        }

        return widgetInfo;
    }

    VectorWidgetPtr ResourceLayout::createLayout(const std::string& _prefix, Widget* _parent)
    {
        VectorWidgetPtr widgets;

        for (VectorWidgetInfo::iterator iter = mLayoutData.begin(); iter != mLayoutData.end(); ++iter)
        {
            Widget* widget = createWidget(*iter, _prefix, _parent);
            widgets.push_back(widget);
        }

        return widgets;
    }

    Widget* ResourceLayout::createWidget(const WidgetInfo& _widgetInfo, const std::string& _prefix, Widget* _parent, bool _template)
    {
        std::string widgetName = _widgetInfo.name;
        WidgetStyle style = _widgetInfo.style;
        std::string widgetLayer = _widgetInfo.layer;

        if (!widgetName.empty()) widgetName = _prefix + widgetName;

        if (_parent != nullptr && style != WidgetStyle::Popup) widgetLayer.clear();
        if (_parent == nullptr && widgetLayer.empty())
        {
            MYGUI_LOG(Warning, "Root widget's layer is not specified, widget won't be visible. Specify layer or parent or attach it to another widget after load." << " [" << LayoutManager::getInstance().getCurrentLayout() << "]");
        }

        IntCoord coord;
        if (_widgetInfo.positionType == WidgetInfo::Pixels) coord = _widgetInfo.intCoord;
        else if (_widgetInfo.positionType == WidgetInfo::Relative)
        {
            if (_parent == nullptr || style == WidgetStyle::Popup)
                coord = CoordConverter::convertFromRelative(_widgetInfo.floatCoord, RenderManager::getInstance().getViewSize());
            else
                coord = CoordConverter::convertFromRelative(_widgetInfo.floatCoord, _parent->getClientCoord().size());
        }

        Widget* wid;
        if (nullptr == _parent)
            wid = Gui::getInstance().createWidgetT(_widgetInfo.type, _widgetInfo.skin, coord, _widgetInfo.align, widgetLayer, widgetName);
        else if (_template)
            wid = _parent->_createSkinWidget(style, _widgetInfo.type, _widgetInfo.skin, coord, _widgetInfo.align, widgetLayer, widgetName);
        else
            wid = _parent->createWidgetT(style, _widgetInfo.type, _widgetInfo.skin, coord, _widgetInfo.align, widgetLayer, widgetName);

        for (VectorStringPairs::const_iterator iter = _widgetInfo.properties.begin(); iter != _widgetInfo.properties.end(); ++iter)
        {
            wid->setProperty(iter->first, iter->second);
        }

        for (MapString::const_iterator iter = _widgetInfo.userStrings.begin(); iter != _widgetInfo.userStrings.end(); ++iter)
        {
            wid->setUserString(iter->first, iter->second);
            if (!_template)
                LayoutManager::getInstance().eventAddUserString(wid, iter->first, iter->second);
        }

        for (VectorWidgetInfo::const_iterator iter = _widgetInfo.childWidgetsInfo.begin(); iter != _widgetInfo.childWidgetsInfo.end(); ++iter)
        {
            createWidget(*iter, _prefix, wid);
        }

        for (std::vector<ControllerInfo>::const_iterator iter = _widgetInfo.controllers.begin(); iter != _widgetInfo.controllers.end(); ++iter)
        {
            MyGUI::ControllerItem* item = MyGUI::ControllerManager::getInstance().createItem(iter->type);
            if (item)
            {
                for (MapString::const_iterator iterProp = iter->properties.begin(); iterProp != iter->properties.end(); ++iterProp)
                {
                    item->setProperty(iterProp->first, iterProp->second);
                }
                MyGUI::ControllerManager::getInstance().addItem(wid, item);
            }
            else
            {
                MYGUI_LOG(Warning, "Controller '" << iter->type << "' not found");
            }
        }

        return wid;
    }

    const VectorWidgetInfo& ResourceLayout::getLayoutData() const
    {
        return mLayoutData;
    }

} // namespace MyGUI