package com.mm.android.deviceaddmodule.mobilecommon.widget;
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import android.content.Context;
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import android.graphics.Rect;
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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 com.mm.android.deviceaddmodule.mobilecommon.utils.StringUtils;
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public class ClearAutoCompleteText extends android.support.v7.widget.AppCompatAutoCompleteTextView {// delete the onFocusChangeListener,
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// incorrect use, at 20150512
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private Drawable imgLeftFoucus = null;
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private Drawable imgLeftUnFoucus = null;
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private Drawable imgRightFoucus = null;
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private Drawable imgRightUnFoucus = null;
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private Context context;
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private int mLimitedLen = -1;
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private boolean mbUnregFilter = false;
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private boolean mbPWDFilter = false;
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private boolean mbFocus = false;
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private int errorTip;
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private TextWatcher mTextWatcher = new TextWatcher() {
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@Override
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public void beforeTextChanged(CharSequence s, int start, int count, int after) {
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}
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@Override
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public void onTextChanged(CharSequence s, int start, int before, int count) {
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}
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@Override
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public void afterTextChanged(Editable s) {
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ClearAutoCompleteText.this.removeTextChangedListener(mTextWatcher);
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filter(s);
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setDrawable();
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ClearAutoCompleteText.this.addTextChangedListener(mTextWatcher);
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}
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};
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public ClearAutoCompleteText(Context context) {
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super(context);
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this.context = context;
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init();
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}
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public ClearAutoCompleteText(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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this.context = context;
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init();
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}
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public ClearAutoCompleteText(Context context, AttributeSet attrs) {
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super(context, attrs);
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this.context = context;
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init();
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}
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private void init() {
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addTextChangedListener(mTextWatcher);
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// setOnFocusChangeListener(this); //not need, deleted at 20150512
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setDrawable();
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}
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/**
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* 输入框是否可以复制|粘贴
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*
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* @param copyAble
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*/
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public void setCopyAble(boolean copyAble) {
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this.setLongClickable(copyAble);
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}
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/**
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* 设置编辑框前后图像
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*
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* @param leftFocusResId
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* （获取焦点时显示）当为0时表示不显示，其它则取资源文件
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* @param leftUnFocusResId
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* （失去焦点时显示）当为0时表示不显示，其它则取资源文件
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* @param rightFocusResId
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* 当为0时表示不显示，其它则取资源文件
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* @param rightUnFocusResId
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* 当为0时表示不显示，其它则取资源文件
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*/
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public void setDrawables(int leftFocusResId, int leftUnFocusResId, int rightFocusResId, int rightUnFocusResId) {
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if (leftFocusResId > 0) {
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imgLeftFoucus = context.getResources().getDrawable(leftFocusResId);
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}
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if (leftUnFocusResId > 0) {
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imgLeftUnFoucus = context.getResources().getDrawable(leftUnFocusResId);
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}
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if (rightFocusResId > 0) {
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imgRightFoucus = context.getResources().getDrawable(rightFocusResId);
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}
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if (rightUnFocusResId > 0) {
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imgRightUnFoucus = context.getResources().getDrawable(rightUnFocusResId);
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} else {
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imgRightUnFoucus = null;
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}
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setDrawable();
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}
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public void setFocus(boolean mFocus) {
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mbFocus = mFocus;
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}
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/**
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* 设置删除图片
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*/
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private void setDrawable() {
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if (mbFocus) {
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if (length() == 0) {
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setCompoundDrawablesWithIntrinsicBounds(imgLeftFoucus, null, null, null);
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} else {
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setCompoundDrawablesWithIntrinsicBounds(imgLeftFoucus, null, imgRightFoucus, null);
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}
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} else {
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if (length() == 0) {
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setCompoundDrawablesWithIntrinsicBounds(imgLeftUnFoucus, null, null, null);
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} else {
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setCompoundDrawablesWithIntrinsicBounds(imgLeftUnFoucus, null, imgRightUnFoucus, null);
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}
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}
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}
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/**
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* event.getX() 获取相对应自身左上角的X坐标 event.getY() 获取相对应自身左上角的Y坐标 getWidth() 获取控件的宽度
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* getTotalPaddingRight() 获取删除图标左边缘到控件右边缘的距离 getPaddingRight() 获取删除图标右边缘到控件右边缘的距离 getWidth() -
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* getTotalPaddingRight() 计算删除图标左边缘到控件左边缘的距离 getWidth() - getPaddingRight() 计算删除图标右边缘到控件左边缘的距离
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*/
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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if (imgRightFoucus != null && event.getAction() == MotionEvent.ACTION_UP) {
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int x = (int) event.getX();
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// 判断触摸点是否在水平范围内
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boolean isInnerWidth = (x > (getWidth() - getTotalPaddingRight()))
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&& (x < (getWidth() - getPaddingRight()));
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// 获取删除图标的边界，返回一个Rect对象
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Rect rect = imgRightFoucus.getBounds();
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// 获取删除图标的高度
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int height = rect.height();
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int y = (int) event.getY();
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// 计算图标底部到控件底部的距离
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int distance = (getHeight() - height) / 2;
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// 判断触摸点是否在竖直范围内(可能会有点误差)
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// 触摸点的纵坐标在distance到（distance+图标自身的高度）之内，则视为点中删除图标
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boolean isInnerHeight = (y > distance) && (y < (distance + height));
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if (isInnerWidth && isInnerHeight && mbFocus) {
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setText("");
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}
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}
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return super.onTouchEvent(event);
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}
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@Override
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protected void finalize() throws Throwable {
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super.finalize();
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}
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public void onFocusChangeSelf(View v, boolean hasFocus) {
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mbFocus = hasFocus;
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setDrawable();
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}
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@Override
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protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
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super.onFocusChanged(focused, direction, previouslyFocusedRect);
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onFocusChangeSelf(this, focused);
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}
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/**
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* 设置最大输入长度，1个中文计两个英文，且自动屏蔽不规则字符
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*
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* @param maxlen
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*/
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public void setMaxLenth(int maxlen) {
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if (maxlen > 0) {
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mLimitedLen = maxlen;
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} else {
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mLimitedLen = 20;
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}
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}
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/**
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* 是否限制特殊字符输入
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*
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* @param enbale
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*/
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public void setUnregFilterEnbale(boolean enbale) {
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mbUnregFilter = enbale;
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}
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/**
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* 是否限中文及制特殊字符输入，常用于密码输入
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*
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* @param enbale
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*/
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public void setCHFilterEnbale(boolean enbale) {
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mbPWDFilter = enbale;
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}
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private int calcultateLength(CharSequence c) {
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int len = 0;
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for (int i = 0; i < c.length(); i++) {
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int tmp = (int) c.charAt(i);
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if (tmp > 0 && tmp < 127) {
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len++;
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} else {
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len += 2;
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}
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}
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return len;
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}
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private void filter(Editable s) {
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String str = s.toString();
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int indexStart = ClearAutoCompleteText.this.getSelectionStart();
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if (mbPWDFilter) {
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str = StringUtils.strPwdFilter(str);
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int iDelLen = s.length() - str.length();
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if (iDelLen > 0) {
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ClearAutoCompleteText.this.setText(str);
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if (indexStart - iDelLen >= 0 && indexStart - iDelLen <= str.length()) {
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ClearAutoCompleteText.this.setSelection(indexStart - iDelLen);
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indexStart -= iDelLen;
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}
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}
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} else if (mbUnregFilter) {
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str = StringUtils.strFilter(s.toString());
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int iDelLen = s.length() - str.length();
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if (iDelLen > 0) {
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ClearAutoCompleteText.this.setText(str);
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if (indexStart - iDelLen >= 0 && indexStart - iDelLen <= str.length()) {
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ClearAutoCompleteText.this.setSelection(indexStart - iDelLen);
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indexStart -= iDelLen;
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}
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}
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}
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limitLenght(str, indexStart);
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}
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private void limitLenght(String str, int indexStart) {
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if (mLimitedLen > 0) {
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boolean bFlag = false;
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if (calcultateLength(str) > mLimitedLen) {
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bFlag = true;
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}
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while (calcultateLength(str) > mLimitedLen) {
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if (indexStart > 0 && indexStart <= str.length()) {
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str = str.substring(0, indexStart - 1) + str.substring(indexStart, str.length());
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} else {
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str = str.substring(0, str.length() - 1);
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}
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indexStart = indexStart - 1;
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}
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if (bFlag) {
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ClearAutoCompleteText.this.setText(str);
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if (indexStart >= 0 && indexStart <= str.length()) {
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ClearAutoCompleteText.this.setSelection(indexStart);
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}
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}
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}
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}
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public int getErrorTip() {
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return errorTip;
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}
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public void setErrorTip(int errorTip) {
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this.errorTip = errorTip;
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}
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}
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