| /******************************************************************************* |
| * Copyright (c) 2009 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.ui.internal.details; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import org.eclipse.jface.dialogs.IMessageProvider; |
| import org.eclipse.jpt.core.context.Query; |
| import org.eclipse.jpt.core.context.persistence.PersistenceUnit; |
| import org.eclipse.jpt.utility.internal.StringTools; |
| import org.eclipse.jpt.utility.internal.node.AbstractNode; |
| import org.eclipse.jpt.utility.internal.node.Node; |
| import org.eclipse.jpt.utility.internal.node.Problem; |
| |
| /** |
| * This is the state object used by the <code>AddQueryDialog</code>, which stores |
| * the current name and validates it when it is modified. |
| * |
| * @see AddQueryDialog |
| * |
| * @version 2.1 |
| * @since 2.1 |
| */ |
| final class AddQueryStateObject extends AbstractNode |
| { |
| /** |
| * The initial name or <code>null</code> |
| */ |
| private String name; |
| |
| /** |
| * The initial queryType or <code>null</code> |
| */ |
| private String queryType; |
| |
| /** |
| * The <code>Validator</code> used to validate this state object. |
| */ |
| private Validator validator; |
| |
| /** |
| * The associated persistence unit |
| */ |
| private PersistenceUnit pUnit; |
| |
| /** |
| * Notifies a change in the data value property. |
| */ |
| static final String NAME_PROPERTY = "nameProperty"; //$NON-NLS-1$ |
| |
| /** |
| * Notifies a change in the query type property. |
| */ |
| static final String QUERY_TYPE_PROPERTY = "queryTypeProperty"; //$NON-NLS-1$ |
| |
| /** |
| * Creates a new <code>NewNameStateObject</code>. |
| * |
| * @param name The initial input or <code>null</code> if no initial value can |
| * be specified |
| * @param names The collection of names that can't be used or an empty |
| * collection if none are available |
| */ |
| AddQueryStateObject(PersistenceUnit pUnit) { |
| super(null); |
| this.pUnit = pUnit; |
| } |
| |
| private void addNameProblemsTo(List<Problem> currentProblems) { |
| if (StringTools.stringIsEmpty(this.name)) { |
| currentProblems.add(buildProblem(JptUiDetailsMessages.QueryStateObject_nameMustBeSpecified, IMessageProvider.ERROR)); |
| } |
| else if (names().contains(this.name)){ |
| currentProblems.add(buildProblem(JptUiDetailsMessages.AddQueryDialog_nameExists, IMessageProvider.WARNING)); |
| } |
| } |
| |
| private void addQueryTypeProblemsTo(List<Problem> currentProblems) { |
| if (StringTools.stringIsEmpty(this.queryType)) { |
| currentProblems.add(buildProblem(JptUiDetailsMessages.QueryStateObject_typeMustBeSpecified, IMessageProvider.ERROR)); |
| } |
| } |
| |
| @Override |
| protected void addProblemsTo(List<Problem> currentProblems) { |
| super.addProblemsTo(currentProblems); |
| addNameProblemsTo(currentProblems); |
| addQueryTypeProblemsTo(currentProblems); |
| } |
| |
| private List<String> names(){ |
| List<String> names = new ArrayList<String>(); |
| for (Iterator<Query> queries = this.pUnit.queries(); queries.hasNext();){ |
| String name = queries.next().getName(); |
| names.add(name); |
| } |
| return names; |
| } |
| |
| @Override |
| protected void checkParent(Node parentNode) { |
| //no parent |
| } |
| |
| public String displayString() { |
| return null; |
| } |
| |
| String getName() { |
| return this.name; |
| } |
| |
| String getQueryType() { |
| return this.queryType; |
| } |
| |
| public void setName(String newName) { |
| String oldName = this.name; |
| this.name = newName; |
| firePropertyChanged(NAME_PROPERTY, oldName, newName); |
| } |
| |
| public void setQueryType(String newQueryType) { |
| String old = this.queryType; |
| this.queryType = newQueryType; |
| firePropertyChanged(QUERY_TYPE_PROPERTY, old, newQueryType); |
| } |
| |
| @Override |
| public void setValidator(Validator validator) { |
| this.validator = validator; |
| } |
| |
| @Override |
| public Validator getValidator() { |
| return this.validator; |
| } |
| } |