defaultdateoption.java

It is all about project scheduling. GanttProject is a tool for creating a project schedule by means

package net.sourceforge.ganttproject.gui.options.model;

import java.util.Date;

public class DefaultDateOption extends GPAbstractOption implements DateOption {

    private Date myLockedValue;
    private Date myValue;
    
    public DefaultDateOption(String id) {
        this(id, new Date());
    }
    public DefaultDateOption(String id, Date initialValue) {
        super(id);
        myValue = initialValue;
    }

    public void setValue(Date value) {
        if (!isLocked()) {
            throw new IllegalStateException("Lock option before setting value");
        }
        setValue(value, false);
    }

    protected void setValue(Date value, boolean reset) {
    	if (reset) {
    		myValue = value;
    	}
   		fireChangeValueEvent(new ChangeValueEvent(getID(), myLockedValue, value));
        myLockedValue = value;    	
    }
    public Date getValue() {
        return myValue;
    }
    
    @Override
    public void lock() {
        super.lock();
        myLockedValue = myValue;
    }
    public void commit() {
        super.commit();
        myValue = myLockedValue;
    }

    public boolean isChanged() {
        if (isLocked()) {
            if (myValue!=null) {
                return false==myValue.equals(myLockedValue);
            }
        }
        return false;
    }

    public String getPersistentValue() {
        // TODO Auto-generated method stub
        return null;
    }

    public void loadPersistentValue(String value) {
        // TODO Auto-generated method stub
        
    }    

    protected Date getLockedValue() {
    	return myLockedValue;
    }
}