package com.mm.android.deviceaddmodule.mobilecommon.widget;
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import android.content.Context;
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import android.graphics.Canvas;
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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.ActionMode;
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import android.view.ActionMode.Callback;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.View.OnFocusChangeListener;
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import android.view.inputmethod.EditorInfo;
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import android.widget.EditText;
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import com.mm.android.deviceaddmodule.R;
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import com.mm.android.deviceaddmodule.mobilecommon.utils.StringUtils;
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public class ClearEditText extends android.support.v7.widget.AppCompatEditText implements OnFocusChangeListener, TextWatcher,Callback {
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// EditTxt右侧的删除按钮
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private Drawable mClearDrawable;
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private boolean hasFous;
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private int mLimitedLen = -1;
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private boolean mbPWDFilter = false;
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private boolean mbUnregFilter = false;
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private TextWatcher mTextWatcher;
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private ITextChangeListener mListener;
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private IFocusChangeListener mFocusListener;
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private boolean isVisiableClearIcon = true;
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public interface IFocusChangeListener{
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public void onClearTextFocusChange(View v, boolean hasFocus);
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}
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public interface ITextChangeListener {
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public void afterChanged(EditText v, Editable s);
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public void beforeChanged(EditText v, CharSequence s, int start, int count, int after);
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public void onTextChanged(EditText v, CharSequence text, int start, int lengthBefore, int lengthAfter);
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}
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public void setClearTextFocusChange(IFocusChangeListener listener){
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mFocusListener = listener;
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}
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@SuppressWarnings("unchecked")
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public void setTextChangeListener(ITextChangeListener l) {
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mListener = l;
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}
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public void setTextWathcher(TextWatcher textWatcher) {
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mTextWatcher = textWatcher;
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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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public ClearEditText(Context context, AttributeSet attrs) {
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this(context, attrs, android.R.attr.editTextStyle);
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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,获取图片的顺序是左上右下(0.1.2.3)
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mClearDrawable = getCompoundDrawables()[2];
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if (mClearDrawable == null) {
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mClearDrawable = getResources().getDrawable(R.drawable.ic_password_clear);
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}
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mClearDrawable.setBounds(0, 0, mClearDrawable.getIntrinsicWidth(), mClearDrawable.getIntrinsicHeight());
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//开启安全监控
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setFilterTouchesWhenObscured(true);
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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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// 默认设置不能copy
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// setCopyAble(false);
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}
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/**
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* @说明: isInnerWidth, isInnerHeight为true, 触摸点在删除图标之内,则视为点击了删除图标 event.getX() 获取相应自身左上角的X坐标
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* event.getY() 获取相应自身左上角的Y坐标 getWidth() 获取控件的宽度 getHight() 获取控件的高度 getTotalPaddingRight()
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* 获取删除图标左边边缘到控件右边缘的距离 getPaddubgRight() 获取删除图标右边边缘到控件右边缘的距离 isInnerWidth: 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()
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* 计算删除图标右边缘到控件左边缘的距离 isInnerHight: `distance 删除图标顶部边缘带控件顶部边缘的距离 distance + height
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* 删除图标底部边缘到控件顶部边缘的距离
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*/
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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if (event.getAction() == MotionEvent.ACTION_UP) {
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if (mClearDrawable != null) {
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int x = (int) event.getX();
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int y = (int) event.getY();
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Rect rect = mClearDrawable.getBounds();
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int height = rect.height();
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int distance = (getHeight() - height) / 2;
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boolean isInnerWidth = x > (getWidth() - getTotalPaddingRight())
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&& x < (getWidth() - getPaddingRight());
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boolean isInnerHeight = y > distance && y < (distance + height);
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if (isInnerHeight && isInnerWidth) {
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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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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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}
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public void setClearIconVisible(boolean visible) {
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if(visible && !isVisiableClearIcon){
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return;
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}
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Drawable right = visible ? mClearDrawable : null;
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setCompoundDrawables(getCompoundDrawables()[0], getCompoundDrawables()[1], right, getCompoundDrawables()[3]);
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}
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public boolean isVisiableClearIcon() {
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return isVisiableClearIcon;
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}
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public void setVisiableClearIcon(boolean visiableClearIcon) {
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isVisiableClearIcon = visiableClearIcon;
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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.hasFous = hasFocus;
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if (hasFocus) {
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setClearIconVisible(getText().length() > 0);
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} else {
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setClearIconVisible(false);
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}
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if(mFocusListener != null){
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mFocusListener.onClearTextFocusChange(v, hasFocus);
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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, int after) {
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removeTextChangedListener(this);
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if (mListener != null) {
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mListener.beforeChanged(this, s, start, count, after);
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}
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if (mTextWatcher != null) {
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mTextWatcher.beforeTextChanged(s, start, count, after);
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}
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addTextChangedListener(this);
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}
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@Override
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public void afterTextChanged(Editable s) {
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removeTextChangedListener(this);
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filter(s);
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if (mListener != null) {
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mListener.afterChanged(this, s);
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}
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if (mTextWatcher != null) {
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mTextWatcher.afterTextChanged(s);
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}
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addTextChangedListener(this);
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}
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@Override
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public void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) {
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removeTextChangedListener(this);
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if (mListener != null) {
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mListener.onTextChanged(this, text, start, lengthBefore, lengthAfter);
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}
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if (mTextWatcher != null) {
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mTextWatcher.onTextChanged(text, start, lengthBefore, lengthAfter);
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}
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addTextChangedListener(this);
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if (hasFous) {
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setClearIconVisible(getText().toString().length() > 0);
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}
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}
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/* 功能区 */
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private void filter(Editable s) {
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String str = s.toString();
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int indexStart = ClearEditText.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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ClearEditText.this.setText(str);
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if (indexStart - iDelLen >= 0 && indexStart - iDelLen <= str.length()) {
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ClearEditText.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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ClearEditText.this.setText(str);
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if (indexStart - iDelLen >= 0 && indexStart - iDelLen <= str.length()) {
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ClearEditText.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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/**
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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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* 输入框是否可以复制|粘贴(该方法只适合API11下的)
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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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if(copyAble){
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setCustomSelectionActionModeCallback(null);
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}else{
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setCustomSelectionActionModeCallback(this);
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setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI);
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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 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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setText(str);
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if (indexStart >= 0 && indexStart <= str.length()) {
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setSelection(indexStart);
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}
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}
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}
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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 = 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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@Override
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public boolean onCreateActionMode(ActionMode mode, Menu menu) {
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return false;
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}
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@Override
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public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
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return false;
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}
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@Override
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public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
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return false;
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}
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@Override
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public void onDestroyActionMode(ActionMode mode) {
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}
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}
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