package com.mfh.comna.view.widget;
import android.content.Context;
import android.text.Editable;
import android.text.InputFilter;
import android.text.InputType;
import android.text.Selection;
import android.text.Spanned;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import android.widget.Toast;
import java.util.Timer;
import java.util.TimerTask;
/**
* EditText强化版，可自由定制各种属性
* Created by yxm on 2014/9/26.
*/
public class SuperEditText extends EditText {
private int len;
private int intTempMax;
private Float floatTempMax;
private String tempStr;//允许输入的字符
/**
* 构造方法
*
* @param context
*/
public SuperEditText(Context context) {
super(context);
}
public SuperEditText(Context context, AttributeSet attrs) {
super(context, attrs);
}
public SuperEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
/**
* 设置允许输入的字符
*
* @param str
*/
public void setAcceptedChars(String str) {
tempStr = str;
setFilters(new InputFilter[]{
new InputFilter() {
/**
* @param charSequence 输入的文字
* @param i 开始位置
* @param i2 结束位置
* @param spanned 当前显示的内容
* @param i3 当前开始位置
* @param i4 当前结束位置
* @return
*/
@Override
public CharSequence filter(CharSequence charSequence, int i, int i2, Spanned spanned, int i3, int i4) {
if (!contains(tempStr, charSequence.toString())) {
return "";
}
return null;
}
}
});
}
/**
* 设置最大值
*
* @param max
*/
public void setMax(int max) {
setInputType(InputType.TYPE_CLASS_NUMBER);
setAcceptedChars("1234567890");
len = String.valueOf(max).length() - 1;
intTempMax = max;
addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
}
@Override
public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
}
@Override
public void afterTextChanged(Editable editable) {
if (editable.length() > len) {
if (Integer.valueOf(editable.toString()) > intTempMax) {
setText(String.valueOf(intTempMax));
Toast.makeText(getContext(), "金额不能大于" + String.valueOf(intTempMax), Toast.LENGTH_SHORT).show();
}
//设置新光标所在的位置
Selection.setSelection(getText(), getText().length());
}
}
});
}
/**
* @param max
* @param fraction 允许的小数位数
*/
public void setMax(Float max, final int fraction) {
setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_DECIMAL);
setAcceptedChars("1234567890.");
len = String.valueOf(max.intValue()).length() - 1;
floatTempMax = max;
addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
}
@Override
public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
}
@Override
public void afterTextChanged(Editable editable) {
if (charCount(editable.toString(), '.') > 1) {
setText("");
Toast.makeText(getContext(), "非法输入", Toast.LENGTH_SHORT).show();
}
if (editable.length() > len) {
if (charCount(editable.toString(), '.') == 1) {
if ((editable.length() - 1 - editable.toString().lastIndexOf(".")) > fraction) {
setText(editable.toString().substring(0,
editable.toString().lastIndexOf(".") + 3));
Toast.makeText(getContext(), "小数部分不可大于" + String.valueOf(fraction) +"位", Toast.LENGTH_SHORT).show();
}
}
if (charCount(editable.toString(), '.') <= 1) {
if (Float.valueOf(editable.toString()) > floatTempMax) {
setText(String.valueOf(floatTempMax));
Toast.makeText(getContext(), "金额不能大于" + String.valueOf(floatTempMax), Toast.LENGTH_SHORT).show();
}
}
//设置新光标所在的位置
Selection.setSelection(getText(), getText().length());
}
}
});
}
/**
* 是否自动弹出键盘
*
* @param b
*/
public void showSoftInput(Boolean b) {
if (b == true) {
setFocusable(true);
setFocusableInTouchMode(true);
requestFocus();
Timer timer = new Timer();
timer.schedule(new TimerTask() {
public void run() {
show();
}
}, 200);
}
}
public void show() {
InputMethodManager inputManager = (InputMethodManager)
getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
inputManager.showSoftInput(this, 0);
}
/**
* 找个一个字符串中某个字符出现的次数
*
* @param s
* @param c
* @return
*/
public int charCount(String s, char c) {
int len = s.length();
int count = 0;
for (int i = 0; i < len; i++) {
if (s.charAt(i) == c) {
count++;
}
}
return count;
}
/**
* 判定输入的字符是否为允许输入的字符
*
* @param str1 允许输入的字符
* @param str2 输入的字符
* @return
*/
public Boolean contains(String str1, String str2) {
for (int i = 0; i < str2.length(); i++) {
if (!str1.contains(str2.subSequence(i, i + 1))) {
return false;
}
}
return true;
}
}