LIGuiPlayground.java

/**
 * Copyright (c) Lambda Innovation, 2013-2015
 * 本作品版权由Lambda Innovation所有。
 * http://www.li-dev.cn/
 *
 * This project is open-source, and it is distributed under  
 * the terms of GNU General Public License. You can modify
 * and distribute freely as long as you follow the license.
 * 本项目是一个开源项目，且遵循GNU通用公共授权协议。
 * 在遵照该协议的情况下，您可以自由传播和修改。
 * http://www.gnu.org/licenses/gpl.html
 */
package cn.liutils.cgui.loader.ui;

import cn.liutils.cgui.client.CGUILang;
import cn.liutils.cgui.gui.LIGui;
import cn.liutils.cgui.gui.Widget;
import cn.liutils.cgui.gui.WidgetContainer;
import cn.liutils.cgui.gui.event.DragEvent;
import cn.liutils.cgui.gui.event.DragEvent.DragEventHandler;
import cn.liutils.cgui.gui.event.FrameEvent;
import cn.liutils.cgui.gui.event.FrameEvent.FrameEventHandler;
import cn.liutils.cgui.gui.event.GainFocusEvent;
import cn.liutils.cgui.gui.event.GainFocusEvent.GainFocusHandler;
import cn.liutils.cgui.gui.event.global.AddWidgetEvent;
import cn.liutils.cgui.gui.event.global.AddWidgetEvent.AddWidgetHandler;
import cn.liutils.cgui.loader.ui.event.AddTargetEvent;
import cn.liutils.util.client.HudUtils;
import cn.liutils.util.helper.Color;
import cn.liutils.util.helper.Font;

/**
 * Handler of edit content also provides environment information for GuiEdit and other toolbars.
 * @author WeAthFolD
 */
public class LIGuiPlayground extends LIGui {
    
    final GuiEdit guiEdit;
    
    public LIGuiPlayground(GuiEdit _guiEdit) {
        guiEdit = _guiEdit;
        
        this.regEventHandler(new AddWidgetHandler() {
            @Override
            public void handleEvent(Widget w, AddWidgetEvent event) {
                guiEdit.getGui().postEvent(new AddTargetEvent(w));
            }
        });
    }
    
    @Override
    public void draw(double mx, double my) {
        super.draw(mx, my);
        
        String focusName = this.getFocus() == null ? "<" + CGUILang.txtBackground() + ">" : 
            this.getWidgetName(getFocus());
        Font.font.draw(CGUILang.txtSelection() + focusName, 5, 5, 10, 0x89b1e7);
    }
    
    @Override
    public void onWidgetAdded(String name, Widget w) {
        super.onWidgetAdded(name, w);
        injectEvents(w);
    }
    
    private void injectEvents(Widget w) {
        //Add selection indicator
        w.regEventHandler(new FrameEventHandler() {
            Color c = new Color(112, 223, 122, 200);
            
            @Override
            public void handleEvent(Widget w, FrameEvent event) {
                if(getFocus() == w) {
                    c.bind();
                    HudUtils.drawRectOutline(0, 0, w.transform.width, w.transform.height, 1);
                } else {
                    //HudUtils.drawRectOutline(0, 0, w.transform.width, w.transform.height, 1);
                }
            }
        });
        w.regEventHandler(new DragEventHandler() {
            @Override
            public void handleEvent(Widget w, DragEvent event) {
                if(w.isFocused()) {
                    w.getGui().updateDragWidget();
                }
            }
        });
        w.regEventHandler(new GainFocusHandler() {
            @Override
            public void handleEvent(Widget w, GainFocusEvent event) {
                new SelectedWidgetBar(guiEdit, w);
            }
        });
        
        for(Widget w2 : w.getDrawList()) {
            injectEvents(w2);
        }
    }
    
    /**
     * DIRRRRRTY!
     */
    @Override
    protected Widget gtnTraverse(double x, double y, Widget node, WidgetContainer set) {
        Widget res = null;
        boolean sub = node == null || (node.transform.doesDraw && node.transform.doesListenKey);
        if(sub && node != null && node.isPointWithin(x, y) && node.isFocused()) {
            res = node;
        }
        
        if(!sub) return res;
        
        Widget next = null;
        for(Widget wn : set) {
            Widget tmp = gtnTraverse(x, y, wn, wn);
            if(tmp != null)
                next = tmp;
        }
        return next == null ? res : next;
    }
}