com.google.gwt.editor.client.ValueAwareEditor.java Source code

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Here is the source code for com.google.gwt.editor.client.ValueAwareEditor.java

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/*
 * Copyright 2010 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 * 
 * 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.google.gwt.editor.client;

/**
 * Editors whose behavior changes based on the value being edited will implement
 * this interface.
 * 
 * @param <T> the type of composite object the editor can display
 */
public interface ValueAwareEditor<T> extends HasEditorDelegate<T> {
    /**
     * Indicates that the Editor cycle is finished. This method will be called in
     * a depth-first order by the EditorDriver, so Editors do not generally need
     * to flush their sub-editors.
     */
    void flush();

    /**
     * Notifies the Editor that one or more value properties have changed. Not all
     * backing services support property-based notifications.
     * 
     * @param paths a list of String paths
     */
    void onPropertyChange(String... paths);

    /**
     * Called by the EditorDriver to set the object the Editor is peered with
     * <p>
     * ValueAwareEditors should preferentially use sub-editors to alter the
     * properties of the object being edited.
     * 
     * @param value a value of type T
     */
    void setValue(T value);
}