diff options
Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/internal/policy/OrderedListProvider.java')
-rw-r--r-- | jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/internal/policy/OrderedListProvider.java | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/internal/policy/OrderedListProvider.java b/jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/internal/policy/OrderedListProvider.java deleted file mode 100644 index 75407553e..000000000 --- a/jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/internal/policy/OrderedListProvider.java +++ /dev/null @@ -1,178 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2008 Oracle Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * Oracle Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.jst.jsf.common.internal.policy; - -import java.util.List; - -/** - * Provides a list of order, enablement-modifiable objects. - * - * @author cbateman - * - */ -public abstract class OrderedListProvider -{ - private List<OrderableObject> _orderableObjects; - - /** - * - * @return the list of ordered objects - */ - public final List<OrderableObject> getOrderedObjects() - { - if (_orderableObjects == null) - { - _orderableObjects = createAndPopulateOrderedObjects(); - } - return _orderableObjects; - } - - /** - * <p>Clears the orderableObjects collection so that the next call - * of getOrderedObjects() </p> - */ - public final void resetOrderedObjects() - { - _orderableObjects = null; - } - - /** - * Move the object one toward the front of the list - * - * @param object - */ - public final void moveUp(final OrderableObject object) - { - final List<OrderableObject> list = getOrderedObjects(); - final int index = list.indexOf(object); - if (index > 0) - { - OrderableObject item = list.remove(index); - list.add(index - 1, item); - } - } - - /** - * Move the object one toward the end - * @param object - */ - public final void moveDown(final OrderableObject object) - { - final List<OrderableObject> list = getOrderedObjects(); - int index = list.indexOf(object); - if (index < list.size() - 1) - { - OrderableObject item = list.remove(index); - list.add(index + 1, item); - } - } - - /** - * @return a new list orderable objects populate in their initial order - * The list must be modifiable. - */ - protected abstract List<OrderableObject> createAndPopulateOrderedObjects(); - - /** - * Proxy object for ordering in list - * - * @author cbateman - * - */ - public static class OrderableObject implements Cloneable - { - private boolean _enabled; - private Object _object; - - /** - * @param object - * @param enabled - */ - public OrderableObject(final Object object, final boolean enabled) - { - _object = object; - _enabled = enabled; - } - - private OrderableObject(final OrderableObject copyMe) - { - _object = copyMe._object; - _enabled = copyMe._enabled; - } - - /** - * @return true if this object is enabled - */ - public boolean isEnabled() - { - return _enabled; - } - - /** - * @param enabled - */ - public void setEnabled(boolean enabled) - { - _enabled = enabled; - } - - /** - * @return the object in the ordered list - */ - public Object getObject() - { - return _object; - } - - /** - * @param object - */ - public void setObject(Object object) - { - _object = object; - } - - @Override - public OrderableObject clone() - { - return new OrderableObject(this); - } - - @Override - public boolean equals(Object obj) - { - if (obj instanceof OrderableObject) - { - if (_enabled == ((OrderableObject)obj)._enabled) - { - Object other = ((OrderableObject)obj)._object; - if (other != null) - { - return other.equals(_object); - } - return _object == null; - } - } - return false; - } - - @Override - public int hashCode() - { - int enabledCode = _enabled ? 0xcccccccc : 0x33333333; - if (_object == null) - { - return enabledCode; - } - return _object.hashCode() ^ enabledCode; - } - } -} |