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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Eclipse 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.eclipse.org/org/documents/epl-v10.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ide.eclipse.adt.internal.editors.uimodel;
/**
* Listen to update notifications in UI nodes.
*/
public interface IUiUpdateListener {
/** Update state of the UI node */
public enum UiUpdateState {
/** The node's attributes have been updated. They may or may not actually have changed. */
ATTR_UPDATED,
/** The node sub-structure (i.e. child nodes) has changed */
CHILDREN_CHANGED,
/** The XML counterpart for the UI node has just been created. */
CREATED,
/** The XML counterpart for the UI node has just been deleted.
* Note that mandatory UI nodes are never actually deleted. */
DELETED
}
/**
* Indicates that an UiElementNode has been updated.
* <p/>
* This happens when an {@link UiElementNode} is refreshed to match the
* XML model. The actual UI element node may or may not have changed.
*
* @param ui_node The {@link UiElementNode} being updated.
*/
public void uiElementNodeUpdated(UiElementNode ui_node, UiUpdateState state);
}
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