/***
 * 
 *    Title: "SUIFW" UI框架项目
 *           主题： UI遮罩管理器  
 *    Description: 
 *           功能： 负责“弹出窗体”模态显示实现
 *                  
 *    Date: 2017
 *    Version: 0.1版本
 *    Modify Recoder: 
 *    
 *   
 */

import { _decorator, Component, Camera, error, Color,Node, Sprite, BlockInputEvents } from "cc";
import { SysDefine, UIFormLucenyType, UIFromType } from "../Config/SysDefine";


const { ccclass, property, menu } = _decorator;
@ccclass
@menu("UIScript/UIMaskMgr")
export class UIMaskMgr extends Component {
    /*  字段 */
    //本脚本私有单例
    private static _Instance: UIMaskMgr = null;
    //UI根节点对象
    private _GoCanvasRoot: Node = null;
    //遮罩面板
    private _GoMaskPanel: Node;
    /**事件屏蔽组件 */
    private _BlockInputEvents:BlockInputEvents;

    protected onLoad(): void {
        UIMaskMgr._Instance = this.node.getComponent(UIMaskMgr);
        this.init_node();
    }
    
    //得到实例
    public static get Ins(): UIMaskMgr {
        return this._Instance;
    }

    private init_node() {
        //得到UI根节点对象、脚本节点对象
        this._GoCanvasRoot = this.node.getChildByName(SysDefine.SYS_PATH_CANVAS);
        this._GoMaskPanel = this._GoCanvasRoot.getChildByName(SysDefine.SYS_PATH_MASK);
        let PopRoot = this._GoCanvasRoot.getChildByName("PopUp");
        this._GoMaskPanel.setParent(PopRoot);
        this._GoMaskPanel.active = false;
        this._BlockInputEvents = this._GoMaskPanel.getComponent(BlockInputEvents);
    }

    /// <summary>
    /// 设置遮罩状态
    /// </summary>
    /// <param name="goDisplayUIForms">需要显示的UI窗体</param>
    /// <param name="lucenyType">显示透明度属性</param>
    public SetMaskWindow(goDisplayUIForms: Node, lucenyType: UIFormLucenyType = UIFormLucenyType.Luceny) {
        if (!this._GoCanvasRoot) return;
        //启用遮罩窗体以及设置透明度
        switch (lucenyType) {
            //完全透明，不能穿透
            case UIFormLucenyType.Luceny:
                this._GoMaskPanel.active = true;
                this._BlockInputEvents.enabled = true;
                this._GoMaskPanel.getComponent(Sprite).color = SysDefine.SYS_UIMASK_LUCENCY_COLOR_RGB;
                break;
            //半透明，不能穿透
            case UIFormLucenyType.Translucence:
                this._GoMaskPanel.active = true;
                this._BlockInputEvents.enabled = true;
                this._GoMaskPanel.getComponent(Sprite).color = SysDefine.SYS_UIMASK_TRANS_LUCENCY_COLOR_RGB;
                break;
            //低透明，不能穿透
            case UIFormLucenyType.ImPenetrable:
                this._GoMaskPanel.active = true;
                this._BlockInputEvents.enabled = true;
                this._GoMaskPanel.getComponent(Sprite).color = SysDefine.SYS_UIMASK_IMPENETRABLE_COLOR_RGB;
                break;
            //可以穿透
            case UIFormLucenyType.Pentrate:
                this._BlockInputEvents.enabled = false;
                if (this._GoMaskPanel.active) {
                    this._GoMaskPanel.active = false;
                }
                break;
            default:
                break;
        }

        //遮罩窗体下移
        const layers = this._GoMaskPanel.parent.children.length;
        this._GoMaskPanel.setSiblingIndex(this._GoMaskPanel.getSiblingIndex() + (layers - 1))
        //显示窗体的下移
        goDisplayUIForms.setSiblingIndex(goDisplayUIForms.getSiblingIndex() + layers)
    }

    /// <summary>
    /// 取消遮罩状态
    /// </summary>
    public CancelMaskWindow() {
        if (!this._GoCanvasRoot) return;
        let childs = this._GoMaskPanel.parent.children;
        for (let i = childs.length - 2; i >= 0; i--) {
            const tNodeClass = childs[i].getComponent("BaseUIForm");
            //@ts-ignore
            if (childs[i] != this._GoMaskPanel && tNodeClass && tNodeClass.mUIType.FromsType == UIFromType.PopUp) {
                //@ts-ignore
                this.SetMaskWindow(childs[i], tNodeClass.mUIType.FormsLucenyType);
                return;
            }
        }

        //禁用遮罩窗体
        if (this._GoMaskPanel.active) {
            //隐藏
            this._GoMaskPanel.active = false;
        }
    }


}