package com.yidianling.home.ui.view import android.content.Context import android.support.v7.widget.RecyclerView import android.view.View import android.view.ViewGroup import android.widget.LinearLayout import com.yidianling.home.R import com.yidianling.home.event.IHomeBaseEvent import com.yidianling.home.model.bean.HomeArticleBean import kotlinx.android.synthetic.ydl.home_article_view.view.* /** * @author <a href="https://www.jianshu.com/u/c1e5310dd724">xujian</a> * @描述: 文章*阅读模块 * @Copyright Copyright (c) 2019 * @Company 壹点灵 * @date 2019/02/13 */ class HomeArticleView(private val mContext: Context, private var homeEvent: IHomeBaseEvent?) : LinearLayout(mContext) { private var cacheList : ArrayList<HomeArticleBean.Bean> = ArrayList() init { initView() } private fun initView() { orientation = VERTICAL val params = RecyclerView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT) layoutParams = params View.inflate(mContext, R.layout.home_article_view, this) homeModuleArticleViewHomeCommonTitleView.setTitle("文章·阅读") homeModuleArticleViewHomeCommonTitleView.setOnClickListener { homeEvent?.articleMoreClick() } } fun initData(list: List<HomeArticleBean.Bean>?) { //添加View list?.let { if (cacheList.size != list?.size) { cacheList.clear() cacheList.addAll(list!!) updateHomeArticleItemViewNumber() } //刷新数据 for (index in 0 until childCount) { val itemView = getChildAt(index) if (itemView is HomeArticleItemView) { itemView.updateData(list[index - 1]) // 最后一个隐藏底部横线 if (index == childCount - 1) { itemView.hideBottomLine() } } } } } /** * 更新itemView的数量以适应新的数据集 */ private fun updateHomeArticleItemViewNumber() { var childCountRecord = childCount -1 //减1是因为第一个子View是标题View while (cacheList.size > childCountRecord) { addView(HomeArticleItemView(mContext, homeEvent)) childCountRecord++ } while (cacheList.size < childCountRecord && getChildAt(childCountRecord) is HomeArticleItemView) { removeViewAt(childCountRecord) childCountRecord-- } } }