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@@ -1,566 +0,0 @@
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-package com.adealink.frame.imkit.widget.menu
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-
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-import android.animation.Animator
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-import android.animation.AnimatorListenerAdapter
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-import android.animation.ValueAnimator
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-import android.annotation.SuppressLint
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-import android.content.Context
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-import android.graphics.PointF
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-import android.util.AttributeSet
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-import android.view.*
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-import android.view.animation.AccelerateInterpolator
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-import android.view.animation.OvershootInterpolator
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-import com.adealink.frame.imkit.R
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-import kotlin.math.abs
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-
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-/**
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- * https://github.com/mcxtzhang/SwipeDelMenuLayout
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- */
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-class IMSwipeMenuLayout @JvmOverloads constructor(
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- context: Context,
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- attrs: AttributeSet? = null,
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- defStyleAttr: Int = 0
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-) : ViewGroup(context, attrs, defStyleAttr) {
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-
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- init {
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- init(context, attrs, defStyleAttr)
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- }
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-
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- private var scaleTouchSlop = 0 //为了处理单击事件的冲突
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- private var maxVelocity = 0 //计算滑动速度用
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-
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- private var pointerId = 0 //多点触摸只算第一根手指的速度
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-
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- //右侧菜单宽度总和(最大滑动距离)
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- private var rightMenuWidths = 0
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-
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- //滑动判定临界值(右侧菜单宽度的40%) 手指抬起时,超过了展开,没超过收起menu
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- private var limit = 0
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- private var contentView: View? = null //2016 11 13 add ,存储contentView(第一个View)
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-
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- //上一次的xy
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- private val lastP = PointF()
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-
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- //2016 10 22 add , 仿QQ,侧滑菜单展开时,点击除侧滑菜单之外的区域,关闭侧滑菜单。
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- //增加一个布尔值变量,dispatch函数里,每次down时,为true,move时判断,如果是滑动动作,设为false。
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- //在Intercept函数的up时,判断这个变量,如果仍为true 说明是点击事件,则关闭菜单。
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- private var isUnMoved = true
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-
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- //2016 11 03 add,判断手指起始落点,如果距离属于滑动了,就屏蔽一切点击事件。
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- //up-down的坐标,判断是否是滑动,如果是,则屏蔽一切点击事件
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- private val firstP = PointF()
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- private var isUserSwiped = false
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- private var velocityTracker: VelocityTracker? = null //滑动速度变量
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-
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- /**
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- * 右滑删除功能的开关,默认开
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- */
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- private var isSwipeEnable = false
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-
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- /**
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- * IOS、QQ式交互,默认开
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- */
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- private var isIos = false
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-
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- private var iosInterceptFlag = false //IOS类型下,是否拦截事件的flag
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-
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-
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- /**
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- * 20160929add 左滑右滑的开关,默认左滑打开菜单
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- */
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- private var isLeftSwipe = false
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-
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- /**
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- * 设置是否开启IOS阻塞式交互
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- */
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- fun withIos(ios: Boolean): IMSwipeMenuLayout {
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- isIos = ios
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- return this
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- }
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-
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- /**
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- * 设置是否开启左滑出菜单,设置false 为右滑出菜单
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- */
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- fun withLeftSwipe(leftSwipe: Boolean): IMSwipeMenuLayout {
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- isLeftSwipe = leftSwipe
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- return this
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- }
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-
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- /**
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- * 设置右滑删除功能的开关
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- */
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- fun withSwipeEnable(swipeEnable: Boolean): IMSwipeMenuLayout {
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- isSwipeEnable = swipeEnable
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- return this
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- }
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-
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- private fun init(context: Context, attrs: AttributeSet?, defStyleAttr: Int) {
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- scaleTouchSlop = ViewConfiguration.get(context).scaledTouchSlop
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- maxVelocity = ViewConfiguration.get(context).scaledMaximumFlingVelocity
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- //初始化滑动帮助类对象
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- //mScroller = new Scroller(context);
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-
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- //右滑删除功能的开关,默认开
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- isSwipeEnable = true
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- //IOS、QQ式交互,默认开
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- isIos = true
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- //左滑右滑的开关,默认左滑打开菜单
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- isLeftSwipe = true
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- val ta = context.theme.obtainStyledAttributes(
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- attrs,
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- R.styleable.IMSwipeMenuLayout,
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- defStyleAttr,
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- 0
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- )
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- val count = ta.indexCount
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- for (i in 0 until count) {
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- val attr = ta.getIndex(i)
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- //如果引用成AndroidLib 资源都不是常量,无法使用switch case
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- if (attr == R.styleable.IMSwipeMenuLayout_swipeEnable) {
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- isSwipeEnable = ta.getBoolean(attr, true)
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- } else if (attr == R.styleable.IMSwipeMenuLayout_ios) {
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- isIos = ta.getBoolean(attr, true)
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- } else if (attr == R.styleable.IMSwipeMenuLayout_leftSwipe) {
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- isLeftSwipe = ta.getBoolean(attr, true)
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- }
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- }
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- ta.recycle()
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- }
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-
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- override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
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- //Log.d(TAG, "onMeasure() called with: " + "widthMeasureSpec = [" + widthMeasureSpec + "], heightMeasureSpec = [" + heightMeasureSpec + "]");
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- super.onMeasure(widthMeasureSpec, heightMeasureSpec)
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- isClickable = true //令自己可点击,从而获取触摸事件
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- rightMenuWidths = 0 //由于ViewHolder的复用机制,每次这里要手动恢复初始值
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- //自己的高度
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- var height = 0
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- var contentWidth = 0 //2016 11 09 add,适配GridLayoutManager,将以第一个子Item(即ContentItem)的宽度为控件宽度
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- val childCount = childCount
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-
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- //add by 2016 08 11 为了子View的高,可以matchParent(参考的FrameLayout 和LinearLayout的Horizontal)
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- val measureMatchParentChildren =
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- MeasureSpec.getMode(heightMeasureSpec) != MeasureSpec.EXACTLY
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- var isNeedMeasureChildHeight = false
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- for (i in 0 until childCount) {
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- val childView = getChildAt(i)
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- //令每一个子View可点击,从而获取触摸事件
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- childView.isClickable = true
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- if (childView.visibility != GONE) {
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- //后续计划加入上滑、下滑,则将不再支持Item的margin
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- measureChild(childView, widthMeasureSpec, heightMeasureSpec)
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- //measureChildWithMargins(childView, widthMeasureSpec, 0, heightMeasureSpec, 0);
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- val lp = childView.layoutParams as MarginLayoutParams
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- height =
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- Math.max(height, childView.measuredHeight /* + lp.topMargin + lp.bottomMargin*/)
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- if (measureMatchParentChildren && lp.height == LayoutParams.MATCH_PARENT) {
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- isNeedMeasureChildHeight = true
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- }
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- if (i > 0) { //第一个布局是Left item,从第二个开始才是RightMenu
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- rightMenuWidths += childView.measuredWidth
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- } else {
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- contentView = childView
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- contentWidth = childView.measuredWidth
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- }
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- }
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- }
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- setMeasuredDimension(
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- paddingLeft + paddingRight + contentWidth,
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- height + paddingTop + paddingBottom
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- ) //宽度取第一个Item(Content)的宽度
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- limit = rightMenuWidths * 4 / 10 //滑动判断的临界值
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- //Log.d(TAG, "onMeasure() called with: " + "mRightMenuWidths = [" + mRightMenuWidths);
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- if (isNeedMeasureChildHeight) { //如果子View的height有MatchParent属性的,设置子View高度
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- forceUniformHeight(childCount, widthMeasureSpec)
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- }
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- }
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-
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- override fun generateLayoutParams(attrs: AttributeSet): LayoutParams {
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- return MarginLayoutParams(context, attrs)
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- }
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-
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- /**
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- * 给MatchParent的子View设置高度
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- */
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- private fun forceUniformHeight(count: Int, widthMeasureSpec: Int) {
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- // Pretend that the linear layout has an exact size. This is the measured height of
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- // ourselves. The measured height should be the max height of the children, changed
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- // to accommodate the heightMeasureSpec from the parent
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- val uniformMeasureSpec = MeasureSpec.makeMeasureSpec(
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- measuredHeight,
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- MeasureSpec.EXACTLY
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- ) //以父布局高度构建一个Exactly的测量参数
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- for (i in 0 until count) {
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- val child = getChildAt(i)
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- if (child.visibility != GONE) {
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- val lp = child.layoutParams as MarginLayoutParams
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- if (lp.height == LayoutParams.MATCH_PARENT) {
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- // Temporarily force children to reuse their old measured width
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- // FIXME: this may not be right for something like wrapping text?
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- val oldWidth = lp.width //measureChildWithMargins 这个函数会用到宽,所以要保存一下
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- lp.width = child.measuredWidth
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- // Remeasure with new dimensions
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- measureChildWithMargins(child, widthMeasureSpec, 0, uniformMeasureSpec, 0)
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- lp.width = oldWidth
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- }
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- }
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- }
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- }
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-
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- override fun onLayout(changed: Boolean, l: Int, t: Int, r: Int, b: Int) {
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- //LogUtils.e(TAG, "onLayout() called with: " + "changed = [" + changed + "], l = [" + l + "], t = [" + t + "], r = [" + r + "], b = [" + b + "]");
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- val childCount = childCount
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- var left = paddingLeft
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- var right = paddingLeft
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- for (i in 0 until childCount) {
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- val childView = getChildAt(i)
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- if (childView.visibility != GONE) {
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- if (i == 0) { //第一个子View是内容 宽度设置为全屏
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- childView.layout(
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- left,
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- paddingTop,
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- left + childView.measuredWidth,
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- paddingTop + childView.measuredHeight
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- )
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- left = left + childView.measuredWidth
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- } else {
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- if (isLeftSwipe) {
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- childView.layout(
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- left,
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- paddingTop,
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- left + childView.measuredWidth,
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- paddingTop + childView.measuredHeight
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- )
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- left = left + childView.measuredWidth
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- } else {
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- childView.layout(
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- right - childView.measuredWidth,
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- paddingTop,
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- right,
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- paddingTop + childView.measuredHeight
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- )
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- right = right - childView.measuredWidth
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- }
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- }
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- }
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- }
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- }
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-
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- override fun dispatchTouchEvent(ev: MotionEvent): Boolean {
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- //LogUtils.d(TAG, "dispatchTouchEvent() called with: " + "ev = [" + ev + "]");
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- if (isSwipeEnable) {
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- acquireVelocityTracker(ev)
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- val verTracker = velocityTracker
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- when (ev.action) {
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- MotionEvent.ACTION_DOWN -> {
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- isUserSwiped = false //2016 11 03 add,判断手指起始落点,如果距离属于滑动了,就屏蔽一切点击事件。
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- isUnMoved = true //2016 10 22 add , 仿QQ,侧滑菜单展开时,点击内容区域,关闭侧滑菜单。
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- iosInterceptFlag = false //add by 2016 09 11 ,每次DOWN时,默认是不拦截的
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- if (isTouching) { //如果有别的指头摸过了,那么就return false。这样后续的move..等事件也不会再来找这个View了。
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- return false
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- } else {
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- isTouching = true //第一个摸的指头,赶紧改变标志,宣誓主权。
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- }
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- lastP[ev.rawX] = ev.rawY
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- firstP[ev.rawX] = ev.rawY //2016 11 03 add,判断手指起始落点,如果距离属于滑动了,就屏蔽一切点击事件。
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-
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- //如果down,view和cacheview不一样,则立马让它还原。且把它置为null
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- if (viewCache != null) {
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- if (viewCache !== this) {
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- viewCache?.smoothClose()
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- iosInterceptFlag =
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- isIos //add by 2016 09 11 ,IOS模式开启的话,且当前有侧滑菜单的View,且不是自己的,就该拦截事件咯。
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- }
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- //只要有一个侧滑菜单处于打开状态, 就不给外层布局上下滑动了
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- parent.requestDisallowInterceptTouchEvent(true)
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- }
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- //求第一个触点的id, 此时可能有多个触点,但至少一个,计算滑动速率用
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- pointerId = ev.getPointerId(0)
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- }
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- MotionEvent.ACTION_MOVE -> {
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- //add by 2016 09 11 ,IOS模式开启的话,且当前有侧滑菜单的View,且不是自己的,就该拦截事件咯。滑动也不该出现
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- if (!iosInterceptFlag) {
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- //view没有展示时外层滑动冲突解决
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- val gap = lastP.x - ev.rawX
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- val flag = isLeftSwipe && scrollX == 0 && gap < 0
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- if (!flag) {
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- //为了在水平滑动中禁止父类ListView等再竖直滑动
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- if (abs(gap) > 10 || abs(scrollX) > 10) { //2016 09 29 修改此处,使屏蔽父布局滑动更加灵敏,
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- parent.requestDisallowInterceptTouchEvent(true)
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- }
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- //2016 10 22 add , 仿QQ,侧滑菜单展开时,点击内容区域,关闭侧滑菜单。begin
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- if (abs(gap) > scaleTouchSlop) {
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- isUnMoved = false
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- }
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- //2016 10 22 add , 仿QQ,侧滑菜单展开时,点击内容区域,关闭侧滑菜单。end
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- //如果scroller还没有滑动结束 停止滑动动画
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- scrollBy(gap.toInt(), 0) //滑动使用scrollBy
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- //越界修正
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- if (isLeftSwipe) { //左滑
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- if (scrollX < 0) {
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- scrollTo(0, 0)
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- }
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- if (scrollX > rightMenuWidths) {
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- scrollTo(rightMenuWidths, 0)
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- }
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- } else { //右滑
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- if (scrollX < -rightMenuWidths) {
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- scrollTo(-rightMenuWidths, 0)
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- }
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- if (scrollX > 0) {
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- scrollTo(0, 0)
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- }
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- }
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- lastP[ev.rawX] = ev.rawY
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- }
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- }
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- }
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- MotionEvent.ACTION_UP, MotionEvent.ACTION_CANCEL -> {
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- //2016 11 03 add,判断手指起始落点,如果距离属于滑动了,就屏蔽一切点击事件。
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- if (abs(ev.rawX - firstP.x) > scaleTouchSlop) {
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- isUserSwiped = true
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- }
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-
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- //add by 2016 09 11 ,IOS模式开启的话,且当前有侧滑菜单的View,且不是自己的,就该拦截事件咯。滑动也不该出现
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- if (!iosInterceptFlag) { //且滑动了 才判断是否要收起、展开menu
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- //求伪瞬时速度
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- verTracker?.computeCurrentVelocity(1000, maxVelocity.toFloat())
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- val velocityX = verTracker?.getXVelocity(pointerId) ?: 0f
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- if (abs(velocityX) > 1000) { //滑动速度超过阈值
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- if (velocityX < -1000) {
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- if (isLeftSwipe) { //左滑
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- //平滑展开Menu
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- smoothExpand()
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- } else {
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- //平滑关闭Menu
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- smoothClose()
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- }
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- } else {
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- if (isLeftSwipe) { //左滑
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- // 平滑关闭Menu
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- smoothClose()
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- } else {
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- //平滑展开Menu
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- smoothExpand()
|
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- }
|
|
|
- }
|
|
|
- } else {
|
|
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- if (Math.abs(scrollX) > limit) { //否则就判断滑动距离
|
|
|
- //平滑展开Menu
|
|
|
- smoothExpand()
|
|
|
- } else {
|
|
|
- // 平滑关闭Menu
|
|
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- smoothClose()
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- //释放
|
|
|
- releaseVelocityTracker()
|
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- //LogUtils.i(TAG, "onTouch A ACTION_UP ACTION_CANCEL:velocityY:" + velocityX);
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- isTouching = false //没有手指在摸我了
|
|
|
- }
|
|
|
- else -> {
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- return super.dispatchTouchEvent(ev)
|
|
|
- }
|
|
|
-
|
|
|
- override fun onInterceptTouchEvent(ev: MotionEvent): Boolean {
|
|
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- //Log.d(TAG, "onInterceptTouchEvent() called with: ev = [" + ev + "]");
|
|
|
- //add by zhangxutong 2016 12 07 begin:
|
|
|
- //禁止侧滑时,点击事件不受干扰。
|
|
|
- if (isSwipeEnable) {
|
|
|
- when (ev.action) {
|
|
|
- MotionEvent.ACTION_MOVE -> //屏蔽滑动时的事件
|
|
|
- if (Math.abs(ev.rawX - firstP.x) > scaleTouchSlop) {
|
|
|
- return true
|
|
|
- }
|
|
|
- MotionEvent.ACTION_UP -> {
|
|
|
- //为了在侧滑时,屏蔽子View的点击事件
|
|
|
- if (isLeftSwipe) {
|
|
|
- if (scrollX > scaleTouchSlop) {
|
|
|
- //add by 2016 09 10 解决一个智障问题~ 居然不给点击侧滑菜单 我跪着谢罪
|
|
|
- //这里判断落点在内容区域屏蔽点击,内容区域外,允许传递事件继续向下的的。。。
|
|
|
- if (ev.x < width - scrollX) {
|
|
|
- //2016 10 22 add , 仿QQ,侧滑菜单展开时,点击内容区域,关闭侧滑菜单。
|
|
|
- if (isUnMoved) {
|
|
|
- smoothClose()
|
|
|
- }
|
|
|
- return true //true表示拦截
|
|
|
- }
|
|
|
- }
|
|
|
- } else {
|
|
|
- if (-scrollX > scaleTouchSlop) {
|
|
|
- if (ev.x > -scrollX) { //点击范围在菜单外 屏蔽
|
|
|
- //2016 10 22 add , 仿QQ,侧滑菜单展开时,点击内容区域,关闭侧滑菜单。
|
|
|
- if (isUnMoved) {
|
|
|
- smoothClose()
|
|
|
- }
|
|
|
- return true
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- //add by zhangxutong 2016 11 03 begin:
|
|
|
- // 判断手指起始落点,如果距离属于滑动了,就屏蔽一切点击事件。
|
|
|
- if (isUserSwiped) {
|
|
|
- return true
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- //模仿IOS 点击其他区域关闭:
|
|
|
- if (iosInterceptFlag) {
|
|
|
- //IOS模式开启,且当前有菜单的View,且不是自己的 拦截点击事件给子View
|
|
|
- return true
|
|
|
- }
|
|
|
- }
|
|
|
- return super.onInterceptTouchEvent(ev)
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 平滑展开
|
|
|
- */
|
|
|
- private var mExpandAnim: ValueAnimator? = null
|
|
|
- private var mCloseAnim: ValueAnimator? = null
|
|
|
-
|
|
|
- //代表当前是否是展开状态 2016 11 03 add
|
|
|
- private var isExpand = false
|
|
|
-
|
|
|
- private fun smoothExpand() {
|
|
|
- //展开就加入ViewCache
|
|
|
- viewCache = this@IMSwipeMenuLayout
|
|
|
-
|
|
|
- //2016 11 13 add 侧滑菜单展开,屏蔽content长按
|
|
|
- if (null != contentView) {
|
|
|
- contentView?.isLongClickable = false
|
|
|
- }
|
|
|
- cancelAnim()
|
|
|
- mExpandAnim =
|
|
|
- ValueAnimator.ofInt(scrollX, if (isLeftSwipe) rightMenuWidths else -rightMenuWidths)
|
|
|
- mExpandAnim?.addUpdateListener { animation: ValueAnimator ->
|
|
|
- scrollTo(
|
|
|
- (animation.animatedValue as Int), 0
|
|
|
- )
|
|
|
- }
|
|
|
- mExpandAnim?.interpolator = OvershootInterpolator()
|
|
|
- mExpandAnim?.addListener(object : AnimatorListenerAdapter() {
|
|
|
- override fun onAnimationEnd(animation: Animator) {
|
|
|
- isExpand = true
|
|
|
- }
|
|
|
- })
|
|
|
- mExpandAnim?.setDuration(300)?.start()
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 每次执行动画之前都应该先取消之前的动画
|
|
|
- */
|
|
|
- private fun cancelAnim() {
|
|
|
- if (mCloseAnim?.isRunning == true) {
|
|
|
- mCloseAnim?.cancel()
|
|
|
- }
|
|
|
- if (mExpandAnim?.isRunning == true) {
|
|
|
- mExpandAnim?.cancel()
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 平滑关闭
|
|
|
- */
|
|
|
- fun smoothClose() {
|
|
|
- //Log.d(TAG, "smoothClose() called" + this);
|
|
|
-/* mScroller.startScroll(getScrollX(), 0, -getScrollX(), 0);
|
|
|
- invalidate();*/
|
|
|
- viewCache = null
|
|
|
-
|
|
|
- //2016 11 13 add 侧滑菜单展开,屏蔽content长按
|
|
|
- if (null != contentView) {
|
|
|
- contentView?.isLongClickable = true
|
|
|
- }
|
|
|
- cancelAnim()
|
|
|
- mCloseAnim = ValueAnimator.ofInt(scrollX, 0)
|
|
|
- mCloseAnim?.addUpdateListener { animation: ValueAnimator ->
|
|
|
- scrollTo(
|
|
|
- (animation.animatedValue as Int), 0
|
|
|
- )
|
|
|
- }
|
|
|
- mCloseAnim?.interpolator = AccelerateInterpolator()
|
|
|
- mCloseAnim?.addListener(object : AnimatorListenerAdapter() {
|
|
|
- override fun onAnimationEnd(animation: Animator) {
|
|
|
- isExpand = false
|
|
|
- }
|
|
|
- })
|
|
|
- mCloseAnim?.setDuration(300)?.start()
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * @param event 向VelocityTracker添加MotionEvent
|
|
|
- * @see VelocityTracker.obtain
|
|
|
- * @see VelocityTracker.addMovement
|
|
|
- */
|
|
|
- private fun acquireVelocityTracker(event: MotionEvent) {
|
|
|
- if (null == velocityTracker) {
|
|
|
- velocityTracker = VelocityTracker.obtain()
|
|
|
- }
|
|
|
- velocityTracker?.addMovement(event)
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * * 释放VelocityTracker
|
|
|
- *
|
|
|
- * @see VelocityTracker.clear
|
|
|
- * @see VelocityTracker.recycle
|
|
|
- */
|
|
|
- private fun releaseVelocityTracker() {
|
|
|
- if (null != velocityTracker) {
|
|
|
- velocityTracker?.clear()
|
|
|
- velocityTracker?.recycle()
|
|
|
- velocityTracker = null
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- //每次ViewDetach的时候,判断一下 ViewCache是不是自己,如果是自己,关闭侧滑菜单,且ViewCache设置为null,
|
|
|
- // 理由:1 防止内存泄漏(ViewCache是一个静态变量)
|
|
|
- // 2 侧滑删除后自己后,这个View被Recycler回收,复用,下一个进入屏幕的View的状态应该是普通状态,而不是展开状态。
|
|
|
- override fun onDetachedFromWindow() {
|
|
|
- if (this === viewCache) {
|
|
|
- viewCache?.smoothClose()
|
|
|
- viewCache = null
|
|
|
- }
|
|
|
- super.onDetachedFromWindow()
|
|
|
- }
|
|
|
-
|
|
|
- //展开时,禁止长按
|
|
|
- override fun performLongClick(): Boolean {
|
|
|
- return if (Math.abs(scrollX) > scaleTouchSlop) {
|
|
|
- false
|
|
|
- } else super.performLongClick()
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 快速关闭。
|
|
|
- * 用于 点击侧滑菜单上的选项,同时想让它快速关闭(删除 置顶)。
|
|
|
- * 这个方法在ListView里是必须调用的,
|
|
|
- * 在RecyclerView里,视情况而定,如果是mAdapter.notifyItemRemoved(pos)方法不用调用。
|
|
|
- */
|
|
|
- fun quickClose() {
|
|
|
- if (this === viewCache) {
|
|
|
- //先取消展开动画
|
|
|
- cancelAnim()
|
|
|
- viewCache?.scrollTo(0, 0) //关闭
|
|
|
- viewCache = null
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- fun forceExpand(){
|
|
|
- smoothExpand()
|
|
|
- }
|
|
|
-
|
|
|
- companion object {
|
|
|
- //存储的是当前正在展开的View
|
|
|
- @SuppressLint("StaticFieldLeak")
|
|
|
- var viewCache: IMSwipeMenuLayout? = null
|
|
|
-
|
|
|
- //防止多只手指一起滑我的flag 在每次down里判断, touch事件结束清空
|
|
|
- private var isTouching = false
|
|
|
- }
|
|
|
-
|
|
|
-}
|