package com.vci.client.uif.engine.client;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import com.vci.client.uif.engine.common.IDataNode;

public class UILayoutModel implements IUILayoutModel{
	
	private Map<Integer, List<IDataModel>> layoutAreaModel = new HashMap<Integer, List<IDataModel>>();
	
	private Map<IDataModel, Integer> modelAreaMap = new HashMap<IDataModel,Integer>();

    private List<IDataModel> layoutModes = new ArrayList<IDataModel>();
    
    /**
     * 变更区域影响的重载区域
     */
    private Map<Integer, List<Integer>> reloadEffectAreaMap = new HashMap<Integer, List<Integer>>();
	
	public UILayoutModel() {
		
	}
	
	public void addLayoutModes(int area, IDataModel cDataModel) {
		List<IDataModel> areaModels = null;
		if (layoutAreaModel.get(Integer.valueOf(area)) == null) {
			areaModels = new ArrayList<IDataModel>();
			layoutAreaModel.put(Integer.valueOf(area), areaModels);
		} else {
			areaModels = layoutAreaModel.get(Integer.valueOf(area));
		}
		areaModels.add(cDataModel);
		this.layoutModes.add(cDataModel);
		this.modelAreaMap.put(cDataModel, area);
	}
	
	/**
	 * 设置当期区域影响的重载区域
	 * @param fromArea, 当前区域
	 * @param effectArea，需要重载的区域
	 */
	public void setReloadEffectArea(int fromArea, int effectArea) {
		List<Integer> effectAreaList = null;
		if (reloadEffectAreaMap.get(fromArea) == null) {
			effectAreaList = new ArrayList<Integer>();
		} else {
			effectAreaList = reloadEffectAreaMap.get(fromArea);
		}
		effectAreaList.add(effectArea);
		this.reloadEffectAreaMap.put(fromArea, effectAreaList);
	}
	
	/**
	 * 情况影响刷新区域的配置
	 */
	public void cleanReloadEffectArea() {
		reloadEffectAreaMap.clear();
	}
	
	public List<IDataModel> getLayoutAreaModes(int area) {
		return layoutAreaModel.get(Integer.valueOf(area));
	}
	
	public void removeAreaModels(int area) {
		List<IDataModel> cAreaModel = layoutAreaModel.get(Integer.valueOf(area));
		if (cAreaModel != null) {
			for (IDataModel dataModel : cAreaModel) {
				layoutModes.remove(dataModel);
			}
		}
		layoutAreaModel.remove(Integer.valueOf(area));
	}
	
	public List<IDataModel> getLayoutModes() {
		return this.layoutModes;
	}

	/**
	 * 记录各个区域 最后一次的sourceData
	 */
	private Map<Integer, IDataNode> areaSourceDataMap = new HashMap<Integer, IDataNode>();
	
	/**
	 * 各区域之间刷新事件触发入口
	 * 建议平台能够灵活定义经典主界面中各区域之间的触发关联关系（即无需内置目前这种"左导航"触发"右上"与"右下"；"右上"触发"右下"机制，而是可灵活定制各区域之间的事件影响触发关系，且一个复杂界面也需要目前这种上下文UI的嵌套） Add By ZhongGY 2015-02-12
	 */
	@Override
	public void notify(IDataModel dataModel) {
		if(modelAreaMap.get(dataModel) == null) {
			return;
		}
		int cArea = modelAreaMap.get(dataModel).intValue();
		if (cArea == 1) {
			//导航树的变化通知到右上区域与右下区域（建议后面有个事件传播定义机制，不要这样约定死了）
			notifyArea(dataModel, 2);
			//notifyArea(dataModel, 3);
		} else if (cArea == 2) {
			//右上区域的变化通知到右下区域（建议后面有个事件传播定义机制，不要这样约定死了）
			notifyArea(dataModel, 3);
		} else {
			// 右下操作区不向其它区域发送通知，但需要向同一个页签里的其它UI组件发送刷新通知
			IDataNode sourceData = getDataModelClickObject(dataModel);
			notifyAreaInnerModel(dataModel, sourceData);
		}
	}
	
	/**
	 * 返回IDataMode 点选的数据对象（作为其它区域组件的SourceData）
	 * @param dataModel 
	 * @return
	 */
	protected IDataNode getDataModelClickObject(IDataModel dataModel){
		IDataNode sourceData = null;
		Object clickObject = dataModel.getClickObject();
		if(clickObject != null && clickObject instanceof IDataNode){
			sourceData = (IDataNode)clickObject;
		}
		return sourceData;
	}
	
	/**
	 * @Title		:UI框架统一刷新处理
	 * @Description	:
	 * @param dataModel
	 * @param area
	 */
	private void notifyArea(IDataModel dataModel, int area) {
		IDataNode sourceData = getDataModelClickObject(dataModel);
		// 存储各个区域真实的sourceData
		areaSourceDataMap.put(area, sourceData);	//更新各区域的Source
		notifyAreaInnerModel(dataModel, sourceData);
		List<IDataModel> areaList = layoutAreaModel.get(area);
		if (areaList == null) {
			return;
		}
		Iterator<IDataModel> itor = areaList.iterator();
		while (itor.hasNext()) {
			// 设置级联控制区域regionPanel的sourceData对象
			IDataModel subDataModel = itor.next();
			if(subDataModel.getRegionPanel() != null){
				//subDataModel.getRegionPanel().setSourceData(sourceData);		//Modify By ZhongGY 2015-07-02;为了优化UI加载与刷新机制，将数据尽量放到Model中（model中的getRegionPanel()可能为空）
				subDataModel.setSourceData(sourceData);
			}
			//subDataModel.refresh(dataModel);    //优化刷新处理 by zhonggy 2015-07
			subDataModel.refreshUI(dataModel);    //优化刷新处理 by zhonggy 2015-07
		}
	}

	
	private void notifyAreaInnerModel(IDataModel dataModel, IDataNode sourceData){
		List<IDataModel> slaveDataModels = areaInnerNotifyModelMap.get(dataModel);
		if(slaveDataModels != null){
			for(IDataModel slaveDataModel : slaveDataModels){ 
				if(slaveDataModel.getRegionPanel() != null){
					//slaveDataModel.getRegionPanel().setSourceData(sourceData);
					slaveDataModel.setSourceData(sourceData);
				}
				//slaveDataModel.refresh(dataModel);		//优化刷新处理 by zhonggy 2015-07
				slaveDataModel.refreshUI(dataModel);		//优化刷新处理 by zhonggy 2015-07
			}
		}
	}
	
	
	public Map<Integer, IDataNode> getAreaSourceDataMap() {
		return areaSourceDataMap;
	}

	public void setAreaSourceDataMap(Map<Integer, IDataNode> areaSourceDataMap) {
		this.areaSourceDataMap = areaSourceDataMap;
	}
	
	private Map<IDataModel, List<IDataModel>> areaInnerNotifyModelMap = new HashMap<IDataModel,  List<IDataModel>>();
	public void addAreaInnerNotifyModel(IDataModel master, IDataModel slaveDataModel){
		List<IDataModel> models = areaInnerNotifyModelMap.get(master);
		if(models == null){
			models = new LinkedList<IDataModel>();
		}
		models.add(slaveDataModel);
		areaInnerNotifyModelMap.put(master, models);
	}
	
	/**
	 * 通知影响区域进行刷新
	 * @param dataModel
	 */
	public void notifyRefresh(IDataModel dataModel) {
		if(modelAreaMap.get(dataModel) == null) {
			return;
		}
		int cArea = modelAreaMap.get(dataModel).intValue();
		List<Integer> creloadArea = reloadEffectAreaMap.get(cArea);
		if (creloadArea == null || creloadArea.size() == 0) {
			return;
		}
		for (int area : creloadArea) {
			List<IDataModel> areaList = layoutAreaModel.get(area);
			if (areaList == null) {
				continue;
			}
			Iterator<IDataModel> itor = areaList.iterator();
			while (itor.hasNext()) {
				IDataModel subDataModel = itor.next();
				subDataModel.setNeedRefreshUI(true);
				subDataModel.refreshUI();
			}
		}
	}
}