gecko-dev/grendel/widgets/SelectionManager.java

128 строки
2.9 KiB
Java

/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is the Grendel mail/news client.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1997
* Netscape Communications Corporation. All Rights Reserved.
*
* Created: Will Scullin <scullin@netscape.com>, 26 Aug 1997.
*/
package grendel.widgets;
import java.awt.event.MouseEvent;
import java.util.Enumeration;
/**
* Interface for simple selection management.
* @see MultiSelectionManager
* @see SingleSelectionManager
* @see SelectionListener
*/
public interface SelectionManager {
/**
* Removes all objects from the selection
*/
public void clearSelection();
/**
* Sets the selection to be a single object
*/
public void setSelection(Object aObject);
/**
* Sets the selection to be the given array of objects
*/
public void setSelection(Enumeration aObjects);
/**
* Adds a single object to the selection. Notifies
* listeners if the selection changes.
*/
public void addSelection(Object aObject);
/**
* Adds an array of objects to the selection. Notifies
* listeners if the selection changes.
*/
public void addSelection(Enumeration aObjects);
/**
* Removes a single object from the selection. Notifies
* listeners if the selection changes.
*/
public void removeSelection(Object aObject);
/**
* Removes an array of objects from the selection. Notifies
* listeners if the selection changes.
*/
public void removeSelection(Enumeration aObjects);
/**
* Returns true if the object is in the selection.
*/
public boolean isSelected(Object aObject);
/**
* Returns the number of objects in the selection
*/
public int getSelectionCount();
/**
* Returns an enumeration of all objects in the selection
*/
public Enumeration getSelection();
/**
* Passed on to listeners
*/
public void doubleClickSelection(MouseEvent aEvent);
/**
* Passed on to listeners
*/
public void contextClickSelection(MouseEvent aEvent);
/**
* Passed on to listeners
*/
public void dragSelection(MouseEvent aEvent);
/**
* Adds a selection listener
*/
public void addSelectionListener(SelectionListener aListener);
/**
* Removes a selection listener
*/
public void removeSelectionListener(SelectionListener aListener);
}