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320 lines
11 KiB
320 lines
11 KiB
/* The MIT License
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*
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* Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <prerequisites.h>
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#include <core/resources.h>
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#include <ui/ui.h>
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#include <ui/uiloader.h>
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#include <script/luascript.h>
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UIElementPtr UILoader::createElementFromId(const std::string& id)
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{
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UIElementPtr element;
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std::vector<std::string> split;
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boost::split(split, id, boost::is_any_of(std::string("#")));
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if(split.size() != 2)
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return element;
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std::string elementType = split[0];
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std::string elementId = split[1];
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if(elementType == "panel") {
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element = UIElementPtr(new UIContainer(UI::Panel));
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} else if(elementType == "button") {
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element = UIElementPtr(new UIButton);
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} else if(elementType == "label") {
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element = UIElementPtr(new UILabel);
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} else if(elementType == "window") {
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element = UIElementPtr(new UIWindow);
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} else if(elementType == "textEdit") {
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element = UIElementPtr(new UITextEdit);
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} else if(elementType == "lineDecoration") {
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element = UIElementPtr(new UIElement(UI::LineDecoration));
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} else if(elementType == "checkBox") {
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element = UIElementPtr(new UICheckBox);
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}
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if(element) {
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element->setId(elementId);
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}
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return element;
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}
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UIElementPtr UILoader::loadFile(const std::string& file, const UIContainerPtr& parent)
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{
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std::string fileContents = g_resources.loadTextFile(file);
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if(!fileContents.size()) {
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flogError("ERROR: Could not load ui file \"%s", file.c_str());
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return UIElementPtr();
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}
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std::istringstream fin(fileContents);
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try {
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YAML::Parser parser(fin);
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YAML::Node doc;
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parser.GetNextDocument(doc);
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// get element id
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std::string elementId;
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doc.begin().first() >> elementId;
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// first we should populate all elements
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// only after that we can load anchors
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// create element interpreting it's id
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UIElementPtr element = createElementFromId(elementId);
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if(!element)
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throw YAML::Exception(doc.begin().first().GetMark(), "invalid element type");
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parent->addChild(element);
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// populete it
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if(element->asUIContainer())
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populateContainer(element->asUIContainer(), doc.begin().second());
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// now do the real load
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loadElements(element, doc.begin().second());
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// report onLoad events
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element->onLoad();
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return element;
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} catch (YAML::Exception& e) {
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flogError("ERROR: Failed to load ui file \"%s\":\n %s", file.c_str() % e.what());
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}
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return UIElementPtr();
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}
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void UILoader::populateContainer(const UIContainerPtr& parent, const YAML::Node& node)
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{
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for(auto it = node.begin(); it != node.end(); ++it) {
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std::string id;
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it.first() >> id;
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// check if it's and element id
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if(id.find("#") != std::string::npos) {
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UIElementPtr element = createElementFromId(id);
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if(!element)
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throw YAML::Exception(it.first().GetMark(), "invalid element type");
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parent->addChild(element);
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// also populate this element if it's a parent
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if(element->asUIContainer())
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populateContainer(element->asUIContainer(), it.second());
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}
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}
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}
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void UILoader::loadElements(const UIElementPtr& parent, const YAML::Node& node)
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{
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loadElement(parent, node);
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if(parent->asUIContainer()) {
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UIContainerPtr container = parent->asUIContainer();
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for(auto it = node.begin(); it != node.end(); ++it) {
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std::string id;
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it.first() >> id;
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// check if it's and element id
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if(id.find("#") != std::string::npos) {
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std::vector<std::string> split;
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boost::split(split, id, boost::is_any_of(std::string("#")));
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loadElements(container->getChildById(split[1]), it.second());
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}
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}
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}
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}
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void UILoader::loadElement(const UIElementPtr& element, const YAML::Node& node)
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{
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// set element skin
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if(node.FindValue("skin")) {
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if(node["skin"].GetType() == YAML::CT_SCALAR) {
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element->setSkin(g_uiSkins.getElementSkin(element->getElementType(), node["skin"]));
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} else {
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UIElementSkinPtr skin = UIElementSkinPtr(new UIElementSkin());
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skin->load(node["skin"]);
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element->setSkin(skin);
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}
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} else // apply default skin
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element->setSkin(g_uiSkins.getElementSkin(element->getElementType(), "default"));
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// load elements common proprieties
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if(node.FindValue("size")) {
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Size size;
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node["size"] >> size;
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element->setSize(size);
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}
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int margin;
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if(node.FindValue("margin.left")) {
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node["margin.left"] >> margin;
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element->setMarginLeft(margin);
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}
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if(node.FindValue("margin.right")) {
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node["margin.right"] >> margin;
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element->setMarginRight(margin);
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}
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if(node.FindValue("margin.top")) {
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node["margin.top"] >> margin;
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element->setMarginTop(margin);
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}
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if(node.FindValue("margin.bottom")) {
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node["margin.bottom"] >> margin;
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element->setMarginBottom(margin);
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}
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if(node.FindValue("anchors.left"))
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loadElementAnchor(element, ANCHOR_LEFT, node["anchors.left"]);
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if(node.FindValue("anchors.right"))
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loadElementAnchor(element, ANCHOR_RIGHT, node["anchors.right"]);
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if(node.FindValue("anchors.top"))
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loadElementAnchor(element, ANCHOR_TOP, node["anchors.top"]);
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if(node.FindValue("anchors.bottom"))
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loadElementAnchor(element, ANCHOR_BOTTOM, node["anchors.bottom"]);
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if(node.FindValue("anchors.horizontalCenter"))
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loadElementAnchor(element, ANCHOR_HORIZONTAL_CENTER, node["anchors.horizontalCenter"]);
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if(node.FindValue("anchors.verticalCenter"))
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loadElementAnchor(element, ANCHOR_VERTICAL_CENTER, node["anchors.verticalCenter"]);
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// load events
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if(node.FindValue("onLoad")) {
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const YAML::Node& cnode = node["onLoad"];
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int funcRef = g_lua.loadBufferAsFunction(cnode.Read<std::string>());
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if(funcRef != LUA_REFNIL) {
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g_lua.pushClassInstance(element);
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g_lua.pushFunction(funcRef);
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g_lua.lua_UIElement_setOnLoad();
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} else
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throw YAML::Exception(cnode.GetMark(), "failed to parse lua script");
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}
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if(node.FindValue("onDestroy")) {
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const YAML::Node& cnode = node["onDestroy"];
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int funcRef = g_lua.loadBufferAsFunction(cnode.Read<std::string>());
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if(funcRef != LUA_REFNIL) {
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g_lua.pushClassInstance(element);
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g_lua.pushFunction(funcRef);
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g_lua.lua_UIElement_setOnDestroy();
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} else
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throw YAML::Exception(cnode.GetMark(), "failed to parse lua script");
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}
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// load specific element type
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if(element->getElementType() == UI::Button)
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loadButton(boost::static_pointer_cast<UIButton>(element), node);
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else if(element->getElementType() == UI::Window) {
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UIWindowPtr window = boost::static_pointer_cast<UIWindow>(element);
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if(node.FindValue("title"))
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window->setTitle(node["title"].Read<std::string>());
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}
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else if(element->getElementType() == UI::Label) {
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UILabelPtr label = boost::static_pointer_cast<UILabel>(element);
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if(node.FindValue("text"))
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label->setText(node["text"].Read<std::string>());
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if(node.FindValue("align")) {
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std::string alignDesc;
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node["align"] >> alignDesc;
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if(alignDesc == "center")
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label->setAlign(ALIGN_CENTER);
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}
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}
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}
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void UILoader::loadElementAnchor(const UIElementPtr& element, EAnchorType type, const YAML::Node& node)
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{
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std::string anchorDescription;
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node >> anchorDescription;
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std::vector<std::string> split;
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boost::split(split, anchorDescription, boost::is_any_of(std::string(".")));
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if(split.size() != 2)
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throw YAML::Exception(node.GetMark(), "invalid anchors description");
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std::string relativeElementId = split[0];
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std::string relativeAnchorTypeId = split[1];
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EAnchorType relativeAnchorType;
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if(relativeAnchorTypeId == "left")
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relativeAnchorType = ANCHOR_LEFT;
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else if(relativeAnchorTypeId == "right")
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relativeAnchorType = ANCHOR_RIGHT;
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else if(relativeAnchorTypeId == "top")
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relativeAnchorType = ANCHOR_TOP;
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else if(relativeAnchorTypeId == "bottom")
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relativeAnchorType = ANCHOR_BOTTOM;
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else if(relativeAnchorTypeId == "horizontalCenter")
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relativeAnchorType = ANCHOR_HORIZONTAL_CENTER;
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else if(relativeAnchorTypeId == "verticalCenter")
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relativeAnchorType = ANCHOR_VERTICAL_CENTER;
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else
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throw YAML::Exception(node.GetMark(), "invalid anchors description");
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UILayoutPtr relativeElement;
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if(relativeElementId == "parent" && element->getParent()) {
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relativeElement = element->getParent()->asUILayout();
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} else if(relativeElementId == "root") {
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relativeElement = UIContainer::getRootContainer();
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} else {
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UIElementPtr tmp = element->backwardsGetElementById(relativeElementId);
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if(tmp)
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relativeElement = tmp->asUILayout();
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}
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if(relativeElement) {
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if(!element->addAnchor(type, AnchorLine(relativeElement, relativeAnchorType)))
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throw YAML::Exception(node.GetMark(), "error while processing anchors");
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} else {
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throw YAML::Exception(node.GetMark(), "anchoring failed, does the relative element really exists?");
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}
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}
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void UILoader::loadButton(const UIButtonPtr& button, const YAML::Node& node)
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{
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button->setText(node["text"].Read<std::string>());
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// set on click event
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if(node.FindValue("onClick")) {
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int funcRef = g_lua.loadBufferAsFunction(node["onClick"].Read<std::string>());
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if(funcRef != LUA_REFNIL) {
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g_lua.pushClassInstance(button);
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g_lua.pushFunction(funcRef);
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g_lua.lua_UIButton_setOnClick();
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} else {
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throw YAML::Exception(node["onClick"].GetMark(), "failed to parse lua script");
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}
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}
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}
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