org.jpedal.objects.javascript.functions.AFNumber Maven / Gradle / Ivy
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
@LICENSE@
*
* ---------------
* AFNumber.java
* ---------------
*/
package org.jpedal.objects.javascript.functions;
import java.awt.Color;
import java.awt.Component;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import org.jpedal.objects.acroforms.AcroRenderer;
import org.jpedal.objects.acroforms.actions.ActionHandler;
import org.jpedal.objects.raw.FormObject;
public class AFNumber extends JSFunction {
public AFNumber(final AcroRenderer acro, final FormObject formObject) {
super(acro, formObject);
}
@Override
public int execute(final String js, final String[] args, final int type, final int event, final char keyPressed) {
this.value = formObject.getObjectRefAsString();
int messageCode = ActionHandler.NOMESSAGE;
if (args == null) {
debug("Unknown implementation in " + js);
} else if (args.length < 1) {
debug("Values length is less than 1");
} else {
boolean broken = false;
for (int i = 0; i < args.length; i++) {
if (args[i].length() < 1) {
debug("Value[" + i + "] length is less than 1");
broken = true;
}
}
if (!broken) {
//settings
int decCount = JSFunction.getStaticDecimalCount();
if (decCount == -1) {
decCount = Integer.parseInt(args[1]);
}
int gapFormat = JSFunction.getStaticGapFormat();
if (gapFormat == -1) {
gapFormat = Integer.parseInt(args[2]);
}
final int minusFormat = Integer.parseInt(args[3]);
//int currentStyle=Integer.parseInt(args[4]);
final String currencyMask = stripQuotes(args[5]);
final boolean hasCurrencySymbol = Boolean.valueOf(args[6]);
if (gapFormat == 2 || gapFormat == 3) {
DECIMAL_IS_COMMA = true;
}
if (event == ActionHandler.MOUSEPRESSED) { //flag if key ignored
final String actualValue = (String) formObject.getFormValue();
final boolean isValidForNumber = ((keyPressed >= '0' && keyPressed <= '9') ||
(keyPressed == '-' && actualValue.indexOf(keyPressed) == -1) ||
(keyPressed == '.' && actualValue.indexOf(keyPressed) == -1) && gapFormat != 2 ||
(keyPressed == ',' && actualValue.indexOf(keyPressed) == -1) && gapFormat == 2);
if (!isValidForNumber) {
messageCode = ActionHandler.REJECTKEY;
}
} else {
messageCode = validateNumber(type, event, decCount, gapFormat, minusFormat, currencyMask, hasCurrencySymbol);
}
}
}
if (messageCode == ActionHandler.REJECTKEY) {
this.value = null;
}
return messageCode;
}
protected int validateNumber(final int type, final int event, final int decCount, final int gapFormat, final int minusFormat, final String currencyMask, final boolean hasCurrencySymbolAtFront) {
final int messageCode = ActionHandler.NOMESSAGE;
//System.out.println(gapFormat+" "+minusFormat+" "+currentStyle+" "+currencyMask);
//current form value
String currentVal = (String) formObject.getFormValue();
String processedVal = "";
if (type == KEYSTROKE) {
currentVal = convertStringToNumber(currentVal, gapFormat).toString();
//massage data with regexp
if (gapFormat > 1) {
if (event == ActionHandler.FOCUS_EVENT) {
processedVal = applyRegexp(currentVal,
new String[]{"[+-]?\\d+([.,]\\d+)?", "[+-]?[.,]\\d+", "[+-]?\\d+[.,]"});
} else if (event == ActionHandler.MOUSERELEASED) {
processedVal = currentVal; //applyRegexp(currentVal,new String[]{"[+-]?\\d*,?\\d*"});
}
} else {
if (event == ActionHandler.FOCUS_EVENT) {
processedVal = applyRegexp(currentVal,
new String[]{"[+-]?\\d+(\\.\\d+)?", "[+-]?\\.\\d+", "[+-]?\\d+\\."});
} else if (event == ActionHandler.MOUSERELEASED) {
processedVal = currentVal; //applyRegexp(currentVal,new String[]{"[+-]?\\d*\\.?\\d*"});
}
}
//if its changed its not valid
if (!processedVal.equals(currentVal) && currentVal.indexOf('-') <= 0) {
//write back
//dont set the last valid value as were not sure if it is valid
formObject.updateValue(formObject.getLastValidValue(), false, true);
} else if (event == ActionHandler.FOCUS_EVENT) {
//If '-' is not at start remove it and continue
if (currentVal.indexOf('-') > 0) {
currentVal = currentVal.charAt(0) + currentVal.substring(1, currentVal.length()).replaceAll("-", "");
}
/*
* strip out number value or 0 for no value
*/
double number;
if (currentVal != null && currentVal.length() > -1) {
//reset if no number or validate
if (currentVal.isEmpty()) {
currentVal = "";
} else {
if (DECIMAL_IS_COMMA) {
number = Double.parseDouble(currentVal.replaceAll(",", "."));
} else {
number = Double.parseDouble(currentVal);
}
final boolean isNegative = number < 0;
if (currentVal.charAt(0) == '-' && number == 0) {
//currentVal = currentVal.substring(1,currentVal.length());
number = 0;
}
//System.err.println("minusFormat="+minusFormat+" currentStyle="+currentStyle+" number="+number+" currentVal="+currentVal);
// if(minusFormat!=0 || hasCurrencySymbolAtFront){
if (number < 0) {
number = -number;
}
// }
// int gapFormat:
// * 0 Comma separated, period decimal point
// * 1 No separator, period decimal point
// * 2 Period separated, comma decimal point
// * 3 No separator, comma decimal point
final String sep;
final String decimal;
switch (gapFormat) {
default: //also case 0:
sep = ",";
decimal = ".";
break;
case 1:
sep = "";
decimal = ".";
break;
case 2:
sep = ".";
decimal = ",";
break;
case 3:
sep = "";
decimal = ",";
break;
}
//setup mask
//we dont use defined decimal and separator as this is for the mask only
final StringBuilder mask = new StringBuilder("###");
//add the thousand separator only if we have a decimal separator
if (!sep.isEmpty()) {
mask.append(',');
}
mask.append("##");
if (decCount != 0) {
//we know we have at least one decimal
//make sure we have the number before the decimal
mask.append("0.0");
//and all numbers to the decimal count defined
for (int i = 1; i < decCount; i++) {
mask.append('0');
}
} else {
mask.append('#');
}
//apply mask
final DecimalFormatSymbols dfs = new DecimalFormatSymbols();
dfs.setDecimalSeparator(decimal.charAt(0));
if (!sep.isEmpty()) {
dfs.setGroupingSeparator(sep.charAt(0));
}
currentVal = new DecimalFormat(mask.toString(), dfs).format(number);
final StringBuilder rawValue = new StringBuilder(currentVal);
if (hasCurrencySymbolAtFront) {
rawValue.insert(0, currencyMask);
}
if (isNegative && (minusFormat == 2 || minusFormat == 3)) {
rawValue.insert(0, '(');
}
if (!hasCurrencySymbolAtFront) {
rawValue.append(currencyMask);
}
if (isNegative && (minusFormat == 2 || minusFormat == 3)) {
rawValue.append(')');
}
if (isNegative && minusFormat != 1 && minusFormat != 3) {
rawValue.insert(0, '-');
}
currentVal = rawValue.toString();
//add back sign for minus numbers
//if(isNegative)
// currentVal="-"+currentVal;
//set colour
if (minusFormat == 1 || minusFormat == 3) {
final Color textColor;
if (isNegative) {
textColor = Color.RED;
} else {
textColor = Color.BLACK;
}
if (formObject.getGUIComponent() != null) {
((Component) formObject.getGUIComponent()).setForeground(textColor);
}
}
}
//write back
formObject.updateValue(currentVal, false, true);
}
}
/* }else if(type==FORMAT){
//current form value
String val=(String)acro.getCompData().getValue(ref);
//get value, format and add %
float number=0;
String mask="";
if(val!=null && val.length()>0){
StringBuffer numValu = convertStringToNumber(val);
//reset if no number or validate
if(numValu.length()>0)
number=Float.parseFloat(numValu.toString())*100;
mask = mask + '%' + gapFormat + '.' + decCount + 'f';
//apply mask and add % to end
val = new PrintfFormat(mask).sprintf(number);
}else
val="";
//write back
if(acro==null)
this.value=val;
else
acro.getCompData().setValue(ref,val,true,true,false);
}else {
debug("Unknown type "+args[0]+" in AFNumber.validateNumber type="+type);
*/
}
return messageCode;
}
static StringBuffer convertStringToNumber(final String currentVal, final int gapFormat) {
final int charCount;
if (currentVal == null || (charCount = currentVal.length()) == 0) {
return new StringBuffer(0);
}
final StringBuffer numValu = new StringBuffer();
// int gapFormat:
// * 0 Comma separated, period decimal point
// * 1 No separator, period decimal point
// * 2 Period separated, comma decimal point
// * 3 No separator, comma decimal point
final char decVal;
switch (gapFormat) {
default: //also case 0:
decVal = '.';
break;
case 1:
decVal = '.';
break;
case 2:
decVal = ',';
break;
case 3:
decVal = ',';
break;
}
boolean hasDecPoint = false;
for (int i = 0; i < charCount; i++) {
final char c = currentVal.charAt(i);
if ((i == 0 && c == '-') || (!hasDecPoint && (c == '.' || c == ',')) || (c >= '0' && c <= '9')) {
//track decimal point
if (c == '.' || c == ',') {
//if this is a separator, then ignore it,
//we only care about decimals at this point
if (c == decVal) {
hasDecPoint = true;
numValu.append('.');
}
} else {
numValu.append(c);
}
}
}
return numValu;
}
}
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