/*
* 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.isis.viewer.wicket.ui.components.scalars.image;
import java.awt.Graphics2D;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.image.Image;
import org.apache.wicket.markup.html.image.resource.RenderedDynamicImageResource;
import org.apache.wicket.markup.html.panel.ComponentFeedbackPanel;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.facets.value.image.ImageValueFacet;
import org.apache.isis.viewer.wicket.model.models.ScalarModel;
import org.apache.isis.viewer.wicket.ui.panels.PanelAbstract;
public class JavaAwtImagePanel extends PanelAbstract<ScalarModel> {
private static final long serialVersionUID = 1L;
private static final String ID_SCALAR_NAME = "scalarName";
private static final String ID_SCALAR_VALUE = "scalarValue";
private static final String ID_FEEDBACK = "feedback";
public JavaAwtImagePanel(final String id, final ScalarModel scalarModel) {
super(id, scalarModel);
buildGui();
}
private void buildGui() {
final String name = getModel().getName();
final Label scalarName = new Label(ID_SCALAR_NAME, name);
addOrReplace(scalarName);
final ImageValueFacet imageValueFacet = getModel().getTypeOfSpecification().getFacet(ImageValueFacet.class);
final ObjectAdapter adapter = getModel().getObject();
if (adapter != null) {
final java.awt.Image imageValue = imageValueFacet.getImage(adapter);
final RenderedDynamicImageResource imageResource = new RenderedDynamicImageResource(
imageValue.getWidth(null), imageValue.getHeight(null)) {
private static final long serialVersionUID = 1L;
@Override
protected boolean render(final Graphics2D graphics, Attributes attributes) {
graphics.drawImage(imageValue, 0, 0, null);
return true;
}
};
final Image image = new Image(ID_SCALAR_VALUE, imageResource);
addOrReplace(image);
addOrReplace(new ComponentFeedbackPanel(ID_FEEDBACK, image));
} else {
permanentlyHide(ID_SCALAR_VALUE, ID_FEEDBACK);
}
}
}