package org.fife.rtext;
import java.util.EventObject;
/**
* Event that notifies when a property of the current text area changes.
*
* @author Robert Futrell
* @version 0.5
*/
public class CurrentTextAreaEvent extends EventObject {
private static final int MIN_TYPE_VALUE = 0;
public static final int TEXT_AREA_CHANGED = 0;
public static final int IS_MODIFIED_CHANGED = 1;
public static final int FILE_NAME_CHANGED = 2;
private static final int MAX_TYPE_VALUE = 2;
private int type;
private Object oldValue;
private Object newValue;
/*****************************************************************************/
/**
* Constructor.
*
* @param mainView The main view whose current text area (or a property
* of it) changed.
* @param type The type of property that changed.
* @param oldValue The old value of the property.
* @param newValue The new value of the property.
*/
public CurrentTextAreaEvent(AbstractMainView mainView, int type,
Object oldValue, Object newValue) {
super(mainView);
if (typeMAX_TYPE_VALUE)
throw new IllegalArgumentException("Invalid type: " + type);
this.type = type;
this.oldValue = oldValue;
this.newValue = newValue;
}
/*****************************************************************************/
/**
* Returns the new value of the current text area property.
*
* @return The new value.
*/
public Object getNewValue() {
return newValue;
}
/*****************************************************************************/
/**
* Returns the old value of the current text area property.
*
* @return The old value.
*/
public Object getOldValue() {
return oldValue;
}
/*****************************************************************************/
/**
* Returns the main view whose current text area (or a property of it)
* changed.
*
* @return The main view.
*/
public AbstractMainView getMainView() {
return (AbstractMainView)getSource();
}
/*****************************************************************************/
/**
* Returns the type of property that changed. This allows you to know
* what type the old and new value objects are.
*
* @return The type of property that changed.
*/
public int getType() {
return type;
}
/*****************************************************************************/
}
