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/*******************************************************************************
* Copyright (c) 2013 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Oracle - initial API and implementation
*******************************************************************************/
package org.eclipse.jpt.jpa.ui.internal.details;
import org.eclipse.jpt.common.ui.internal.swt.widgets.ComboTools;
import org.eclipse.jpt.common.ui.internal.widgets.Pane;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.jpt.common.utility.internal.model.value.PropertyAspectAdapter;
import org.eclipse.jpt.common.utility.internal.model.value.StaticListValueModel;
import org.eclipse.jpt.common.utility.internal.transformer.TransformerTools;
import org.eclipse.jpt.common.utility.model.value.ListValueModel;
import org.eclipse.jpt.common.utility.model.value.ModifiablePropertyValueModel;
import org.eclipse.jpt.common.utility.model.value.PropertyValueModel;
import org.eclipse.jpt.jpa.core.context.OrderBy;
import org.eclipse.jpt.jpa.ui.details.JptJpaUiDetailsMessages;
import org.eclipse.jpt.jpa.ui.internal.JpaHelpContextIds;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
public class OrderByComposite
extends Pane<OrderBy> {
public OrderByComposite(
Pane<?> parentPane,
PropertyValueModel<OrderBy> subjectHolder,
PropertyValueModel<Boolean> enabledModel,
Composite parentComposite) {
super(parentPane, subjectHolder, enabledModel, parentComposite);
}
@Override
protected void initializeLayout(Composite container) {
// key combo
Combo keyCombo = addEditableCombo(
container,
buildDefaultKeyListHolder(),
buildKeyHolder(),
TransformerTools.<String>objectToStringTransformer(),
JpaHelpContextIds.MAPPING_ORDER_BY_ORDERING);
ComboTools.handleDefaultValue(keyCombo);
}
protected ModifiablePropertyValueModel<String> buildKeyHolder() {
return new PropertyAspectAdapter<OrderBy, String>(getSubjectHolder(), OrderBy.KEY_PROPERTY) {
@Override
protected String buildValue_() {
String key = this.subject.getKey();
if (StringTools.isBlank(key)) {
key = defaultKey();
}
return key;
}
@Override
protected void setValue_(String value) {
if (defaultKey().equals(value)) {
value = null;
}
this.subject.setKey(value);
}
};
}
private ListValueModel<String> buildDefaultKeyListHolder() {
return new StaticListValueModel(defaultKey());
}
private String defaultKey() {
return JptJpaUiDetailsMessages.ORDERING_COMPOSITE_PRIMARY_KEY;
}
}
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