package cn.sinata.xldutils.activity
|
|
import android.os.Bundle
|
import androidx.core.content.ContextCompat
|
import android.util.TypedValue
|
import android.view.Gravity
|
import android.view.View
|
import android.widget.FrameLayout
|
import android.widget.LinearLayout
|
import android.widget.TextView
|
import androidx.recyclerview.widget.LinearLayoutManager
|
import androidx.recyclerview.widget.RecyclerView
|
import cn.sinata.xldutils.R
|
import cn.sinata.xldutils.adapter.HFRecyclerAdapter
|
import cn.sinata.xldutils.sysErr
|
import cn.sinata.xldutils.view.SwipeRefreshRecyclerLayout
|
import com.yqritc.recyclerviewflexibledivider.HorizontalDividerItemDecoration
|
import org.jetbrains.anko.find
|
import org.jetbrains.anko.textColor
|
import org.jetbrains.anko.wrapContent
|
import kotlin.properties.Delegates
|
|
/**
|
* recyclerView 的activity 。
|
*/
|
abstract class RecyclerActivity : TitleActivity() {
|
|
val mSwipeRefreshLayout by lazy {
|
find<SwipeRefreshRecyclerLayout>(R.id.swipeRefreshLayout)
|
}
|
protected open var rootFl by Delegates.notNull<LinearLayout>()
|
private var emptyView: TextView? = null
|
var adapter : RecyclerView.Adapter<*>? = null
|
var page = 1
|
|
/**
|
* 适配器
|
*/
|
protected abstract fun adapter():RecyclerView.Adapter<*>
|
/**
|
* layoutManager 默认LinearLayoutManager
|
*/
|
protected open fun layoutManager():RecyclerView.LayoutManager = LinearLayoutManager(this)
|
|
/**
|
* 模式。默认上下拉均支持
|
*/
|
protected open fun mode():SwipeRefreshRecyclerLayout.Mode = SwipeRefreshRecyclerLayout.Mode.Both
|
/**
|
* 下拉刷新
|
*/
|
protected open fun pullDownRefresh(){}
|
|
/**
|
* 上拉更多。
|
*/
|
protected open fun loadMore(){}
|
|
override fun onCreate(savedInstanceState: Bundle?) {
|
super.onCreate(savedInstanceState)
|
setContentView(R.layout.base_recyclerview_layout)
|
rootFl = find(R.id.root_layout)
|
mSwipeRefreshLayout.setLayoutManager(layoutManager())
|
mSwipeRefreshLayout.setMode(mode())
|
mSwipeRefreshLayout.isRefreshing = false
|
adapter = adapter()
|
mSwipeRefreshLayout.setAdapter(adapter)
|
mSwipeRefreshLayout.setOnRefreshListener(object :SwipeRefreshRecyclerLayout.OnRefreshListener{
|
override fun onRefresh() {
|
pullDownRefresh()
|
}
|
|
override fun onLoadMore() {
|
sysErr("-----------onLoadMore--->")
|
loadMore()
|
}
|
})
|
|
}
|
|
/**
|
* 水平分割线，默认1px，颜色为dividing_line_color
|
*/
|
protected fun addItemDecoration(colorId:Int = R.color.dividing_line_color, size:Int=1){
|
val item = HorizontalDividerItemDecoration.Builder(this)
|
.size(size)
|
.color(ContextCompat.getColor(this,colorId))
|
.build()
|
addItemDecoration(item)
|
}
|
|
protected fun addItemDecoration(itemDecoration: RecyclerView.ItemDecoration){
|
mSwipeRefreshLayout.addItemDecoration(itemDecoration)
|
}
|
|
/**
|
* 可要可不要。可以直接在需要的地方用里面那句。
|
*/
|
fun setRefresh(refresh: Boolean) {
|
mSwipeRefreshLayout.isRefreshing = refresh
|
}
|
|
private val observer:RecyclerView.AdapterDataObserver = object :RecyclerView.AdapterDataObserver(){
|
override fun onChanged() {
|
super.onChanged()
|
toggleEmptyView()
|
}
|
}
|
|
private fun toggleEmptyView() {
|
var count = adapter!!.itemCount
|
if (adapter is HFRecyclerAdapter<*>) {
|
count = (adapter as HFRecyclerAdapter<*>).getDataItemCount()
|
}
|
if (emptyView != null) {
|
if (count > 0) {
|
emptyView!!.visibility = View.GONE
|
} else {
|
emptyView!!.visibility = View.VISIBLE
|
}
|
}
|
}
|
|
protected fun addEmptyView(text:String,leftRes:Int=0,topRes:Int=0,rightRes:Int=0,bottomRes:Int=0) {
|
if (emptyView == null) {
|
emptyView = TextView(this)
|
val lp = FrameLayout.LayoutParams(wrapContent, wrapContent)
|
lp.gravity = Gravity.CENTER
|
emptyView!!.layoutParams = lp
|
emptyView!!.gravity = Gravity.CENTER
|
emptyView!!.textColor = ContextCompat.getColor(this,R.color.textColor99)
|
emptyView!!.setTextSize(TypedValue.COMPLEX_UNIT_SP,16f)
|
emptyView!!.setCompoundDrawablesWithIntrinsicBounds(leftRes,topRes,rightRes,bottomRes)
|
rootFl.addView(emptyView,0)
|
if (adapter != null) {
|
adapter!!.registerAdapterDataObserver(observer)
|
toggleEmptyView()
|
}
|
}
|
emptyView!!.text = text
|
}
|
|
override fun onDestroy() {
|
try {
|
adapter!!.unregisterAdapterDataObserver(observer)
|
} catch (e: Exception) {
|
e.printStackTrace()
|
}
|
//同步置空view
|
emptyView = null
|
super.onDestroy()
|
}
|
|
}
|
