package com.duqing.missions.widgets;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.graphics.drawable.Drawable;
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import android.text.Editable;
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import android.text.TextWatcher;
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import android.util.AttributeSet;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.animation.Animation;
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import android.view.animation.CycleInterpolator;
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import android.view.animation.TranslateAnimation;
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import android.widget.EditText;
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import com.duqing.missions.R;
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/**
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* My father is Object, ites purpose of
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*
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* @purpose Created by Runt (qingingrunt2010@qq.com) on 2020-2-25.
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*/
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@SuppressLint("AppCompatCustomView")
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public class ClearEditText extends EditText implements View.OnFocusChangeListener,
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TextWatcher {
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/**
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* 删除按钮的引用
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*/
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private Drawable mClearDrawable;
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/**
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* 控件是否有焦点
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*/
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private boolean hasFoucs;
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/**
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* 是否可清除内容
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*/
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private boolean isClearable = true;
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/**
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* @param context
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* @Description TODO
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*/
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public ClearEditText(Context context) {
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this(context, null);
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}
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/**
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* @param context
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* @param attrs
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* @Description TODO
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*/
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public ClearEditText(Context context, AttributeSet attrs) {
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// 这里构造方法也很重要，不加这个很多属性不能再XML里面定义
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this(context, attrs, android.R.attr.editTextStyle);
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}
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/**
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* @param context
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* @param attrs
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* @param defStyle
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* @Description TODO
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*/
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public ClearEditText(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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init();
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}
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private void init() {
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// 获取EditText的DrawableRight,假如没有设置我们就使用默认的图片
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mClearDrawable = getCompoundDrawables()[2];
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if (mClearDrawable == null) {
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// throw new
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// NullPointerException("You can add drawableRight attribute in XML");
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mClearDrawable = getResources().getDrawable(R.mipmap.icon_delete);
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}
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mClearDrawable.setBounds(0, 0, mClearDrawable.getIntrinsicWidth(),
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mClearDrawable.getIntrinsicHeight());
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// 默认设置隐藏图标
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setClearIconVisible(false);
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// 设置焦点改变的监听
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setOnFocusChangeListener(this);
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// 设置输入框里面内容发生改变的监听
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addTextChangedListener(this);
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}
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/**
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* 因为我们不能直接给EditText设置点击事件，所以我们用记住我们按下的位置来模拟点击事件 当我们按下的位置 在 EditText的宽度 -
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* 图标到控件右边的间距 - 图标的宽度 和 EditText的宽度 - 图标到控件右边的间距之间我们就算点击了图标，竖直方向就没有考虑
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*/
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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if (event.getAction() == MotionEvent.ACTION_UP) {
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if (getCompoundDrawables()[2] != null) {
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boolean touchable = event.getX() > (getWidth() - getTotalPaddingRight())
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&& (event.getX() < ((getWidth() - getPaddingRight())));
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if (touchable && isClearable) {
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this.setText("");
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}
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}
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}
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return super.onTouchEvent(event);
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}
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/**
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* 当ClearEditText焦点发生变化的时候，判断里面字符串长度设置清除图标的显示与隐藏
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*/
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@Override
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public void onFocusChange(View v, boolean hasFocus) {
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this.hasFoucs = hasFocus;
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if (hasFocus) {
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setClearIconVisible(getText().toString().length() > 0);
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} else {
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setClearIconVisible(false);
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}
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}
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/**
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* 设置清除图标的显示与隐藏，调用setCompoundDrawables为EditText绘制上去
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*
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* @param visible
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*/
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public void setClearIconVisible(boolean visible) {
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Drawable right = visible ? mClearDrawable : null;
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setCompoundDrawables(getCompoundDrawables()[0],
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getCompoundDrawables()[1], right, getCompoundDrawables()[3]);
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}
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/**
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* 当输入框里面内容发生变化的时候回调的方法
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*/
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@Override
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public void onTextChanged(CharSequence s, int start, int count, int after) {
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if (hasFoucs) {
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setClearIconVisible(s.toString().length() > 0);
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}
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}
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@Override
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public void beforeTextChanged(CharSequence s, int start, int count,
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int after) {
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}
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@Override
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public void afterTextChanged(Editable s) {
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}
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/**
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* 设置晃动动画
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*/
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public void startShakeAnimation() {
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this.startAnimation(shakeAnimation(5));
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}
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/**
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* 晃动动画
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*
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* @param counts 1秒钟晃动多少下
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* @return
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*/
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public static Animation shakeAnimation(int counts) {
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Animation translateAnimation = new TranslateAnimation(0, 10, 0, 0);
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translateAnimation.setInterpolator(new CycleInterpolator(counts));
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translateAnimation.setDuration(1000);
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return translateAnimation;
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}
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/**
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* 设置是否可清除
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*
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* @param clearable
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*/
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public void setClearable(boolean clearable) {
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isClearable = clearable;
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}
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/**
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* 获取是否可清除
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*
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* @return
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*/
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public boolean getClearable() {
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return isClearable;
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}
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}
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