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/*
 * ===========================================
 * Java Pdf Extraction Decoding Access Library
 * ===========================================
 *
 * Project Info:  http://www.idrsolutions.com
 * Help section for developers at http://www.idrsolutions.com/support/
 *
 * (C) Copyright 1997-2015 IDRsolutions and Contributors.
 *
 * This file is part of JPedal/JPDF2HTML5
 *
     This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


 *
 * ---------------
 * AFNumber.java
 * ---------------
 */
package org.jpedal.objects.javascript.functions;

import org.jpedal.objects.acroforms.actions.ActionHandler;
import org.jpedal.objects.acroforms.AcroRenderer;
import org.jpedal.objects.raw.FormObject;


import java.awt.*;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;

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='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 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='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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