AmountView.java
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package com.huaheng.mobilewms.view;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.TypedArray;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.huaheng.mobilewms.R;
import com.huaheng.mobilewms.util.WMSUtils;
import java.math.BigDecimal;
import freemarker.template.utility.StringUtil;
public class AmountView extends LinearLayout implements View.OnClickListener, TextWatcher {
private BigDecimal amount = WMSUtils.newBigDecimal(1); //购买数量
private OnAmountChangeListener mListener;
private EditText etAmount;
private Button btnDecrease;
private Button btnIncrease;
private TextView lineName;
private boolean isBtnDecreaseLongClick = false, isBtnIncreaseLongClick = false;
private BigDecimal maxValue = WMSUtils.newBigDecimal(Integer.MAX_VALUE);
public AmountView(Context context) {
this(context, null);
}
@SuppressLint("ClickableViewAccessibility")
public AmountView(Context context, AttributeSet attrs) {
super(context, attrs);
LayoutInflater.from(context).inflate(R.layout.view_amount, this);
etAmount = (EditText) findViewById(R.id.etAmount);
btnDecrease = (Button) findViewById(R.id.btnDecrease);
btnIncrease = (Button) findViewById(R.id.btnIncrease);
lineName = (TextView) findViewById(R.id.lineName);
btnDecrease.setOnClickListener(this);
btnIncrease.setOnClickListener(this);
etAmount.addTextChangedListener(this);
TypedArray obtainStyledAttributes = getContext().obtainStyledAttributes(attrs, R.styleable.AmountView);
int btnWidth = obtainStyledAttributes.getDimensionPixelSize(R.styleable.AmountView_btnWidth, 40);
int tvWidth = obtainStyledAttributes.getDimensionPixelSize(R.styleable.AmountView_tvWidth, 60);
int tvTextSize = obtainStyledAttributes.getDimensionPixelSize(R.styleable.AmountView_tvTextSize, 18);
int btnTextSize = obtainStyledAttributes.getDimensionPixelSize(R.styleable.AmountView_btnTextSize, 24);
obtainStyledAttributes.recycle();
LayoutParams btnParams = new LayoutParams(btnWidth, LayoutParams.MATCH_PARENT);
btnDecrease.setLayoutParams(btnParams);
btnIncrease.setLayoutParams(btnParams);
if (btnTextSize != 0) {
btnDecrease.setTextSize(TypedValue.COMPLEX_UNIT_PX, btnTextSize);
btnIncrease.setTextSize(TypedValue.COMPLEX_UNIT_PX, btnTextSize);
}
// LayoutParams textParams = new LayoutParams(tvWidth, LayoutParams.MATCH_PARENT);
// etAmount.setLayoutParams(textParams);
if (tvTextSize != 0) {
etAmount.setTextSize(tvTextSize);
}
btnDecrease.setOnLongClickListener(new OnLongClickListener() {
@Override
public boolean onLongClick(View view) {
isBtnDecreaseLongClick = true;
return false;
}
});
btnDecrease.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
switch (motionEvent.getAction()) {
case MotionEvent.ACTION_MOVE:
if(isBtnDecreaseLongClick) {
double sub = amount.subtract(WMSUtils.newBigDecimal(1)).doubleValue();
if (sub > 1) {
changeAmount(-1);
}
}
break;
case MotionEvent.ACTION_UP:
isBtnDecreaseLongClick = false;
break;
default:
break;
}
return false;
}
});
btnIncrease.setOnLongClickListener(new OnLongClickListener() {
@Override
public boolean onLongClick(View view) {
isBtnIncreaseLongClick = true;
return false;
}
});
btnIncrease.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
switch (motionEvent.getAction()) {
case MotionEvent.ACTION_MOVE:
if(isBtnIncreaseLongClick) {
double sub = amount.subtract(maxValue).doubleValue();
if (sub < -1) {
changeAmount(1);
}
}
break;
case MotionEvent.ACTION_UP:
isBtnIncreaseLongClick = false;
break;
default:
break;
}
return false;
}
});
}
public void setOnAmountChangeListener(OnAmountChangeListener onAmountChangeListener) {
this.mListener = onAmountChangeListener;
}
public void setLineName(String name) {
lineName.setText(name);
}
public void setAmount(int amount1) {
BigDecimal amount = WMSUtils.newBigDecimal(amount1);
setAmount(amount);
}
public void setAmount(String amount1){
BigDecimal amount = WMSUtils.newBigDecimal(amount1);
setAmount(amount);
}
public void setAmount(BigDecimal amount1) {
amount = WMSUtils.newBigDecimal(amount1);
String amountStr = String.valueOf(amount);
amountStr = WMSUtils.cleanFloatZero(amountStr);
etAmount.setText(amountStr);
etAmount.setSelection(String.valueOf(amount).length());
}
private void changeAmount(int step){
setAmount(amount.add(WMSUtils.newBigDecimal(step)));
}
public void setMaxValue(int value) {
setMaxValue(WMSUtils.newBigDecimal(value));
}
public void setMaxValue(BigDecimal value) {
maxValue = value;
}
@Override
public void onClick(View v) {
int i = v.getId();
double sub = 0;
if (i == R.id.btnDecrease) {
sub = amount.subtract(WMSUtils.newBigDecimal(1)).doubleValue();
if (sub >= 1) {
changeAmount(-1);
}
// if (sub <)
} else if (i == R.id.btnIncrease) {
sub = amount.subtract(maxValue).doubleValue();
if (sub <= -1) {
changeAmount(1);
}
}
etAmount.clearFocus();
if (mListener != null) {
mListener.onAmountChange(this, amount);
}
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
}
@Override
public void afterTextChanged(Editable s) {
if (s.toString().isEmpty()) {
return;
}
amount = WMSUtils.newBigDecimal(s.toString());
if (mListener != null) {
mListener.onAmountChange(this, amount);
}
}
public interface OnAmountChangeListener {
void onAmountChange(View view, BigDecimal amount);
}
}