LabelAndValue.java

package com.akjava.lib.common.tag;

import java.util.ArrayList;
import java.util.List;

import com.google.common.collect.Lists;

public class LabelAndValue {
public LabelAndValue(String value){
	this(null,value,false);
}
public LabelAndValue(String label,String value){
	this(label,value,false);
}
public LabelAndValue(String label, String value,boolean selected) {
	this.label=label;
	this.value=value;
	this.selected=selected;
}
private boolean selected;
public boolean isSelected() {
	return selected;
}
public void setSelected(boolean selected) {
	this.selected = selected;
}
private String label;
private String value;
public String getLabel() {
	return label;
}
public void setLabel(String label) {
	this.label = label;
}
public String getValue() {
	return value;
}
public void setValue(String value) {
	this.value = value;
}

public String getPrintValue(){
	if(label==null){
		return value;
	}else{
		return label;
	}
}


public String toString(){
	String out="";
	if(label!=null){
		out=label+":"+value;
	}else{
		out=value;
	}
	if(selected){
		if(out.indexOf(":")==-1){
			out+=":"+out;
			/**
			 * avoid problem.
			 * when label==null & selected,maybe 'true' would be parsed as value.
			 */
		}
		out+=":"+true;
	}
	return out;
}

public static void selectValues(List<LabelAndValue> lvalues,String value,String splitValue){
	if(value==null){
		return;
	}
	List<String> multipleValue=null;
	if(splitValue==null){
		multipleValue=new ArrayList<String>();
		multipleValue.add(value);
	}else{
		multipleValue= Lists.newArrayList(value.split(splitValue));
	}
	//unselect all
	for (LabelAndValue lv : lvalues) {
		lv.setSelected(false);
	}
	for (LabelAndValue lv : lvalues) {
		for (String v : multipleValue) {
			if (lv.getValue().equals(v)) {
				lv.setSelected(true);
			}
		}
	}
}

public String toOption(){
	String option="<option";
	String outValue=value;
	String selectValue="";
	if(selected){
		selectValue=" selected";
	}
	if(outValue.indexOf('"')!=-1){
		outValue=outValue.replace("\"", """);
	}
	if(label!=null){
		option+=" value=\""+outValue+"\"";
		option+=selectValue+">";
		option+=label;
	}else{
		option+=selectValue+">"+value;
	}

	return option;
}

//for edit
public LabelAndValue clone(){
	return new LabelAndValue(label,value,selected);
}

}