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282 lines
10 KiB
282 lines
10 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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#include <script/luafunctions.h>
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#include "uianchorlayout.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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// try to find the file
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std::string filePath = "modules/" + file;
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if(!g_resources.fileExists(filePath))
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filePath = "addons/" + file;
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if(!g_resources.fileExists(filePath))
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filePath = file;
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if(!g_resources.fileExists(filePath)) {
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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(g_resources.loadTextFile(filePath));
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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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yamlThrowError(doc.begin().first(), "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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// order nodes
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std::map<int, std::string> orderedNodes;
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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 an element id
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if(id.find("#") != std::string::npos)
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orderedNodes[it.first().GetMark().pos] = id;
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}
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// populate ordered elements
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foreach(auto pair, orderedNodes) {
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std::string id = pair.second;
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const YAML::Node& cnode = node[id];
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UIElementPtr element = createElementFromId(id);
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if(!element) {
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logError(yamlErrorDesc(cnode, "invalid element type"));
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continue;
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}
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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(), cnode);
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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(UIContainerPtr container = parent->asUIContainer()) {
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foreach(const UIElementPtr& element, container->getChildren()) {
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for(auto it = node.begin(); it != node.end(); ++it) {
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// node found, load it
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if(boost::ends_with(it.first().Read<std::string>(), "#" + element->getId())) {
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loadElements(element, it.second());
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break;
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}
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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(yamlHasValue(node, "skin")) {
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const YAML::Node& cnode = node["skin"];
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if(cnode.GetType() == YAML::CT_SCALAR) {
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element->setSkin(g_uiSkins.getElementSkin(element->getElementType(), cnode));
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} else {
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UIElementSkinPtr skin = UIElementSkinPtr(new UIElementSkin());
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skin->load(cnode);
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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(yamlHasValue(node, "size"))
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element->setSize(yamlRead<Size>(node, "size"));
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element->setMarginLeft(yamlRead(node, "margin.left", 0));
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element->setMarginRight(yamlRead(node, "margin.right", 0));
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element->setMarginTop(yamlRead(node, "margin.top", 0));
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element->setMarginBottom(yamlRead(node, "margin.bottom", 0));
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if(yamlHasValue(node, "anchors.left"))
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loadElementAnchor(element, UI::AnchorLeft, node["anchors.left"]);
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if(yamlHasValue(node, "anchors.right"))
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loadElementAnchor(element, UI::AnchorRight, node["anchors.right"]);
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if(yamlHasValue(node, "anchors.top"))
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loadElementAnchor(element, UI::AnchorTop, node["anchors.top"]);
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if(yamlHasValue(node, "anchors.bottom"))
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loadElementAnchor(element, UI::AnchorBottom, node["anchors.bottom"]);
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if(yamlHasValue(node, "anchors.horizontalCenter"))
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loadElementAnchor(element, UI::AnchorHorizontalCenter, node["anchors.horizontalCenter"]);
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if(yamlHasValue(node, "anchors.verticalCenter"))
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loadElementAnchor(element, UI::AnchorVerticalCenter, node["anchors.verticalCenter"]);
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// load events
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if(yamlHasValue(node, "onLoad")) {
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const YAML::Node& cnode = node["onLoad"];
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if(g_lua.loadBufferAsFunction(yamlRead<std::string>(cnode), element->getId() + ":onLoad"))
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g_lua.setScriptableField(element, "onLoad");
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else
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logError(yamlErrorDesc(cnode, "failed to parse inline lua script"));
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}
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if(yamlHasValue(node, "onDestroy")) {
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const YAML::Node& cnode = node["onDestroy"];
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if(g_lua.loadBufferAsFunction(yamlRead<std::string>(cnode), element->getId() + ":onDestroy"))
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g_lua.setScriptableField(element, "onDestroy");
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else
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logError(yamlErrorDesc(cnode, "failed to parse inline 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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window->setTitle(yamlRead(node, "title", 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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label->setText(yamlRead(node, "text", std::string()));
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label->setAlign(parseAlignment(yamlRead(node, "align", std::string("left"))));
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}
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}
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void UILoader::loadElementAnchor(const UIElementPtr& anchoredElement, UI::AnchorPoint anchoredEdge, const YAML::Node& node)
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{
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UIAnchorLayoutPtr layout = boost::dynamic_pointer_cast<UIAnchorLayout>(anchoredElement->getLayout());
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if(!layout) {
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logError(yamlErrorDesc(node, "could not add anchor, because this element does not participate of an anchor layout"));
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return;
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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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logError(yamlErrorDesc(node, "invalid anchor"));
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return;
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}
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std::string anchorLineElementId = split[0];
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UI::AnchorPoint anchorLineEdge = UIAnchorLayout::parseAnchorPoint(split[1]);
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if(anchorLineEdge == UI::AnchorNone) {
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logError(yamlErrorDesc(node, "invalid anchor type"));
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return;
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}
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if(!layout->addAnchor(anchoredElement, anchoredEdge, AnchorLine(anchorLineElementId, anchorLineEdge)))
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logError(yamlErrorDesc(node, "anchoring failed"));
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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(yamlHasValue(node, "onClick")) {
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const YAML::Node& cnode = node["onClick"];
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if(g_lua.loadBufferAsFunction(yamlRead<std::string>(cnode), button->getId() + ":onClick"))
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g_lua.setScriptableField(button, "onClick");
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else
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logError(yamlErrorDesc(cnode, "failed to parse inline lua script"));
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}
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}
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