/*
* 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.list;
import org.apache.isis.core.commons.debug.DebugBuilder;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.consent.Consent;
import org.apache.isis.core.metamodel.facets.collections.modify.CollectionFacet;
import org.apache.isis.core.metamodel.facets.collections.modify.CollectionFacetUtils;
import org.apache.isis.core.metamodel.spec.feature.OneToManyAssociation;
import org.apache.isis.viewer.dnd.drawing.Canvas;
import org.apache.isis.viewer.dnd.drawing.Color;
import org.apache.isis.viewer.dnd.drawing.ColorsAndFonts;
import org.apache.isis.viewer.dnd.drawing.Size;
import org.apache.isis.viewer.dnd.view.Axes;
import org.apache.isis.viewer.dnd.view.ObjectContent;
import org.apache.isis.viewer.dnd.view.Placement;
import org.apache.isis.viewer.dnd.view.Toolkit;
import org.apache.isis.viewer.dnd.view.UserActionSet;
import org.apache.isis.viewer.dnd.view.View;
import org.apache.isis.viewer.dnd.view.ViewState;
import org.apache.isis.viewer.dnd.view.base.AbstractBorder;
import org.apache.isis.viewer.dnd.view.base.IconGraphic;
import org.apache.isis.viewer.dnd.view.composite.CompositeViewDecorator;
import org.apache.isis.viewer.dnd.view.field.OneToManyField;
public class InternalCollectionBorder extends AbstractBorder {
public static class Factory implements CompositeViewDecorator {
@Override
public View decorate(final View child, final Axes axes) {
return new InternalCollectionBorder(child);
}
}
private final IconGraphic icon;
protected InternalCollectionBorder(final View wrappedView) {
super(wrappedView);
icon = new InternalCollectionIconGraphic(this, Toolkit.getText(ColorsAndFonts.TEXT_NORMAL));
left = icon.getSize().getWidth();
}
@Override
protected void debugDetails(final DebugBuilder debug) {
debug.append("InternalCollectionBorder ");
}
@Override
public Size getRequiredSize(final Size maximumSize) {
final Size size = super.getRequiredSize(maximumSize);
size.ensureWidth(left + 45 + right);
size.ensureHeight(24);
return size;
}
@Override
public void draw(final Canvas canvas) {
icon.draw(canvas, 0, getBaseline());
final ObjectAdapter collection = getContent().getAdapter();
final CollectionFacet facet = CollectionFacetUtils.getCollectionFacetFromSpec(collection);
final ViewState state = getState();
final Color color;
if (state.canDrop()) {
color = Toolkit.getColor(ColorsAndFonts.COLOR_VALID);
} else if (state.cantDrop()) {
color = Toolkit.getColor(ColorsAndFonts.COLOR_INVALID);
} else {
color = Toolkit.getColor(ColorsAndFonts.COLOR_SECONDARY2);
}
if (collection == null || facet.size(collection) == 0) {
canvas.drawText("empty", left, getBaseline(), color, Toolkit.getText(ColorsAndFonts.TEXT_NORMAL));
} else {
final int x = icon.getSize().getWidth() / 2;
final int x2 = x + 4;
final int y = icon.getSize().getHeight() + 1;
final int y2 = getSize().getHeight() - 5;
canvas.drawLine(x, y, x, y2, color);
canvas.drawLine(x, y2, x2, y2, color);
}
super.draw(canvas);
}
@Override
public void contentMenuOptions(final UserActionSet options) {
super.contentMenuOptions(options);
// final ObjectSpecification specification = ((OneToManyField)
// getContent()).getSpecification();
// OptionFactory.addCreateOptions(specification, options);
}
@Override
public void objectActionResult(final ObjectAdapter result, final Placement placement) {
// same as in TreeNodeBorder
final OneToManyField internalCollectionContent = (OneToManyField) getContent();
final OneToManyAssociation field = internalCollectionContent.getOneToManyAssociation();
final ObjectAdapter target = ((ObjectContent) getParent().getContent()).getObject();
final Consent valid = field.isValidToAdd(target, result);
if (valid.isAllowed()) {
field.addElement(target, result);
}
super.objectActionResult(result, placement);
}
@Override
public String toString() {
return "InternalCollectionBorder/" + wrappedView;
}
}