/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.

 */

package com.oracle.solaris.vp.panel.swing.view;

import java.awt.Dimension;

import java.util.*;

import javax.swing.event.*;

import com.oracle.solaris.vp.panel.common.action.StructuredAction;

import com.oracle.solaris.vp.panel.common.model.ManagedObject;

import com.oracle.solaris.vp.util.misc.finder.Finder;

import com.oracle.solaris.vp.util.swing.ExtScrollPane;

/**

 * The {@code ListObjectsView} class displays the children of a {@code

 * ManagedObject} in a {@code JList}.

 */

public class ListObjectsView<C extends ManagedObject> extends ObjectsView<C> {

    //

    // Instance data

    //

    private ManagedObjectList list;

    private ManagedObjectTableModel<C> model;

    private ExtScrollPane scroll;

    //

    // Constructors

    //

    public ListObjectsView(ManagedObject<C> pObject,

	StructuredAction<List<C>, ?, ?>[] mActions,

	StructuredAction<List<C>, ?, ?> dmAction, boolean iconView) {

	super(pObject, mActions, dmAction);

	SimplePopupMenu popupMenu = mActions == null || mActions.length == 0 ?

	    null : new SimplePopupMenu(mActions);

	model = new ManagedObjectTableModel<C>(pObject);

	model.addListDataListener(

	    new ListDataListener() {

		@Override

		public void contentsChanged(ListDataEvent e) {

		    fireObjectCountChange();

		}

		@Override

		public void intervalAdded(ListDataEvent e) {

		    fireObjectCountChange();

		}

		@Override

		public void intervalRemoved(ListDataEvent e) {

		    fireObjectCountChange();

		}

	    });

	list = new ManagedObjectList(model, popupMenu, dmAction, iconView) {

	    @Override

	    public Dimension getPreferredScrollableViewportSize() {

		Dimension d = super.getPreferredScrollableViewportSize();

		// Provide a sane max preferred height

		d.height = Math.min(d.height, 400);

		return d;

	    }

	};

	list.setOpaque(true);

	list.setFillsViewportHeight(true);

	// Notify Actions of changes in selection model

	list.getSelectionModel().addListSelectionListener(

	    updateActionSelectionListener);

	scroll = new ExtScrollPane(list);

	scroll.removeBorder();

	scroll.setBorder(ObjectsPanel.BORDER_CONTENT_LINE);

    }

    //

    // ObjectsView methods

    //

    @Override

    public ExtScrollPane getComponent() {

	return scroll;

    }

    @Override

    public String getName() {

	return Finder.getString("objects.header.view.value.list");

    }

    @Override

    public int getObjectCount() {

	return model.getSize();

    }

    @Override

    public List<C> getSelection() {

	int[] indexes = list.getSelectedIndices();

	List<C> selection = new ArrayList<C>(indexes.length);

	for (int i = 0; i < indexes.length; i++) {

	    selection.add(model.getElementAt(indexes[i]));

	}

	return selection;

    }

    //

    // ListObjectsView methods

    //

    public ManagedObjectList getList() {

	return list;

    }

}