/*
* 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.dnd.histogram;
import java.util.List;
import org.apache.isis.applib.filter.Filter;
import org.apache.isis.core.metamodel.spec.feature.Contributed;
import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
import org.apache.isis.viewer.dnd.view.Axes;
import org.apache.isis.viewer.dnd.view.Content;
import org.apache.isis.viewer.dnd.view.View;
import org.apache.isis.viewer.dnd.view.ViewFactory;
import org.apache.isis.viewer.dnd.view.ViewRequirement;
import org.apache.isis.viewer.dnd.view.base.Layout;
import org.apache.isis.viewer.dnd.view.collection.CollectionContent;
import org.apache.isis.viewer.dnd.view.composite.CollectionElementBuilder;
import org.apache.isis.viewer.dnd.view.composite.CompositeViewSpecification;
public class HistogramSpecification extends CompositeViewSpecification {
static List<? extends ObjectAssociation> availableFields(final CollectionContent content) {
List<? extends ObjectAssociation> associationList;
associationList = content.getElementSpecification().getAssociations(Contributed.EXCLUDED, new Filter<ObjectAssociation>() {
@Override
public boolean accept(final ObjectAssociation t) {
return NumberAdapters.contains(t);
}
});
return associationList;
}
public HistogramSpecification() {
builder = new CollectionElementBuilder(new ViewFactory() {
@Override
public View createView(final Content content, final Axes axes, final int sequence) {
return new HistogramBar(content, axes.getAxis(HistogramAxis.class), HistogramSpecification.this);
}
});
}
@Override
public Layout createLayout(final Content content, final Axes axes) {
return new HistogramLayout();
}
@Override
public boolean canDisplay(final ViewRequirement requirement) {
return requirement.isCollection() && requirement.isOpen() && availableFields((CollectionContent) requirement.getContent()).size() > 0;
}
@Override
public void createAxes(final Content content, final Axes axes) {
super.createAxes(content, axes);
axes.add(new HistogramAxis(content));
}
@Override
public String getName() {
return "Histogram (experimental)";
}
@Override
public boolean isAligned() {
return false;
}
@Override
public boolean isOpen() {
return true;
}
@Override
public boolean isReplaceable() {
return true;
}
@Override
public boolean isSubView() {
return false;
}
}