ontopoly.components.FieldInstanceImageField.java Source code

Introduction

Here is the source code for ontopoly.components.FieldInstanceImageField.java

Source

/*
 * #!
 * Ontopoly Editor
 * #-
 * Copyright (C) 2001 - 2013 The Ontopia Project
 * #-
 * 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 ontopoly.components;

import net.ontopia.topicmaps.core.OccurrenceIF;
import ontopoly.fileupload.UploadPanel;
import ontopoly.model.TopicMap;
import ontopoly.models.FieldValueModel;

import org.apache.wicket.AttributeModifier;
import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.html.image.Image;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.AbstractReadOnlyModel;

public class FieldInstanceImageField extends Panel {

    protected FieldValueModel fieldValueModel;
    protected Component image;
    protected Component upload;

    public FieldInstanceImageField(String id, FieldValueModel _fieldValueModel, boolean readonly) {
        super(id);
        this.fieldValueModel = _fieldValueModel;

        image = new Image("image");
        image.add(new AttributeModifier("src", true, new AbstractReadOnlyModel<String>() {
            @Override
            public final String getObject() {
                TopicMap topicMap = fieldValueModel.getFieldInstanceModel().getFieldInstance().getInstance()
                        .getTopicMap();
                Object o = fieldValueModel.getFieldValue();
                return getRequest().getRelativePathPrefixToContextRoot() + "occurrenceImages?topicMapId="
                        + topicMap.getId() + "&occurrenceId="
                        + ((o instanceof OccurrenceIF ? ((OccurrenceIF) o).getObjectId() : "unknown"));
            }
        }));
        upload = new UploadPanel("upload", this);
        add(image);
        add(upload);
        if (fieldValueModel.isExistingValue()) {
            upload.setVisible(false);
        } else {
            image.setVisible(false);
            if (readonly)
                upload.setVisible(false);
        }
    }

    public FieldValueModel getFieldValueModel() {
        return fieldValueModel;
    }

    public void callOnUpdate(AjaxRequestTarget target) {
        if (fieldValueModel.isExistingValue()) {
            upload.setVisible(false);
            image.setVisible(true);
        }
    }

}