com.speedment.tool.propertyeditor.PropertySheet Maven / Gradle / Ivy

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/**
 *
 * Copyright (c) 2006-2016, Speedment, Inc. All Rights Reserved.
 *
 * 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.speedment.tool.propertyeditor;

import javafx.collections.FXCollections;
import javafx.collections.ListChangeListener;
import javafx.collections.ObservableList;
import javafx.scene.layout.BorderPane;

import static java.util.Objects.requireNonNull;

/**
 * Container for a view of editable properties
 *
 * @author Simon Jonasson
 * @since 3.0.0
 */
public final class PropertySheet extends BorderPane {
    private final ObservableList properties; 
    private PropertyLayout layout;
    
    /**
     * Creates a new {@link PropertySheet} which will render a collection of properties.
     * 
     * @param properties  the list of properties to render
     */
    public PropertySheet( ObservableList properties ){
        requireNonNull(properties);
        this.properties = FXCollections.unmodifiableObservableList(properties);
        
        layout = new PropertyLayout(properties);
        setCenter(layout);
        this.properties.addListener( (ListChangeListener.Change c) -> {
            while( c.next() ){
                if( c.wasRemoved() && properties.isEmpty() ){
                    layout.remove();
                    layout = new PropertyLayout(properties);
                    setCenter(layout);

                }
                else if( c.wasAdded() ){
                    c.getAddedSubList().stream().forEachOrdered( i -> layout.addItem(i) );
                }
            }
        } );
    }
}