Java tutorial
/***************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.cayenne.modeler.layout; import java.io.IOException; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import javafx.fxml.FXMLLoader; import javafx.scene.Node; import javafx.scene.layout.AnchorPane; public interface LayoutSupport { static final Log LOGGER = LogFactory.getLog(LayoutSupport.class); default FXMLLoader loadFXML(final String fxmlPath) throws IOException { final FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource(fxmlPath)); fxmlLoader.setRoot(this); fxmlLoader.setController(this); fxmlLoader.load(); // Note: Must manually initialize the layout because JavaFX will not // automatically call the "initialize" method when the FXML is // loaded from an interface's default method. To avoid confusion // with the JavaFX "initialize" name, a different method name is // used for the same purpose. initializeLayout(); return fxmlLoader; } default void initializeLayout() { LOGGER.info("init " + this.getClass().getCanonicalName()); loadChildLayouts(); } default void loadChildLayouts() { // Override in subclasses to load in any necessary child layouts. } // TODO: This needs a better name (method and parameters) to make clear // which is the source and which is the destination. default void displayView(final AnchorPane anchorPane, final Node view) { // Remove anything already there. anchorPane.getChildren().removeAll(anchorPane.getChildren()); // Make the view fill the anchor pane. AnchorPane.setTopAnchor(view, 0.0); AnchorPane.setLeftAnchor(view, 0.0); AnchorPane.setRightAnchor(view, 0.0); AnchorPane.setBottomAnchor(view, 0.0); // Add the view into the anchor pane. anchorPane.getChildren().add(view); } default void disable(final Node node) { node.setDisable(true); } default void enable(final Node node) { node.setDisable(false); } }