package com.yidianling.home.ui.view import android.content.Context 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.HomeCourseBean import kotlinx.android.synthetic.xlzx.home_course_view.view.* /** * @author <a href="https://www.jianshu.com/u/c1e5310dd724">xujian</a> * @描述: 课程*成长模块 * @Copyright Copyright (c) 2019 * @Company 壹点灵 * @date 2019/02/13 */ class HomeCourseView(private val mContext: Context, private var homeEvent: IHomeBaseEvent?) : LinearLayout(mContext) { private var cacheList: ArrayList<HomeCourseBean.ListBean> = ArrayList() init { initView() } private fun initView() { orientation = VERTICAL val params = LinearLayout.LayoutParams( ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT ) layoutParams = params View.inflate(mContext, R.layout.home_course_view, this) homeModuleCourseViewHomeCommonTitleView.setTitle("课程·成长") homeModuleCourseViewHomeCommonTitleView.setOnClickListener { homeEvent?.courseMreClick() } } fun initData(list: List<HomeCourseBean.ListBean>?) { //添加View if (list == null) { return } if (cacheList.size != list?.size) { cacheList.clear() cacheList.addAll(list!!) updateHomeCourseItemViewNumber() } //刷新数据 for (index in 0 until childCount) { val itemView = getChildAt(index) if (itemView is HomeCourseItemView) { itemView.updateData(list[index - 1]) } } } /** * 更新itemView的数量以适应新的数据集 */ private fun updateHomeCourseItemViewNumber() { var childCountRecord = childCount - 1 //减1是因为第一个子View是标题View while (cacheList.size > childCountRecord) { addView(HomeCourseItemView(mContext, homeEvent)) childCountRecord++ } while (cacheList.size < childCountRecord && getChildAt(childCountRecord - 1) is HomeCourseItemView) { removeViewAt(childCountRecord - 1) childCountRecord-- } } }