| /******************************************************************************* |
| * Copyright (c) 2007, 2008 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.core.internal.context.java; |
| |
| import java.util.Iterator; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.context.NamedColumn; |
| import org.eclipse.jpt.core.context.java.JavaJpaContextNode; |
| import org.eclipse.jpt.core.context.java.JavaNamedColumn; |
| import org.eclipse.jpt.core.resource.java.NamedColumnAnnotation; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.db.Column; |
| import org.eclipse.jpt.db.Table; |
| import org.eclipse.jpt.utility.Filter; |
| import org.eclipse.jpt.utility.internal.StringTools; |
| import org.eclipse.jpt.utility.internal.iterators.EmptyIterator; |
| import org.eclipse.jpt.utility.internal.iterators.FilteringIterator; |
| |
| |
| public abstract class AbstractJavaNamedColumn<T extends NamedColumnAnnotation> extends AbstractJavaJpaContextNode |
| implements JavaNamedColumn |
| { |
| |
| protected Owner owner; |
| |
| protected String specifiedName; |
| |
| protected String defaultName; |
| |
| protected String columnDefinition; |
| |
| protected AbstractJavaNamedColumn(JavaJpaContextNode parent, Owner owner) { |
| super(parent); |
| this.owner = owner; |
| } |
| |
| // ******************* initialization from java resource model ******************** |
| |
| protected void initialize(T column) { |
| this.specifiedName = column.getName(); |
| this.defaultName = this.buildDefaultName(); |
| this.columnDefinition = column.getColumnDefinition(); |
| } |
| |
| |
| protected abstract T getResourceColumn(); |
| |
| |
| //************** INamedColumn implementation ***************** |
| public String getName() { |
| return (this.getSpecifiedName() == null) ? getDefaultName() : this.getSpecifiedName(); |
| } |
| |
| public String getSpecifiedName() { |
| return this.specifiedName; |
| } |
| |
| public void setSpecifiedName(String newSpecifiedName) { |
| String oldSpecifiedName = this.specifiedName; |
| this.specifiedName = newSpecifiedName; |
| getResourceColumn().setName(newSpecifiedName); |
| firePropertyChanged(NamedColumn.SPECIFIED_NAME_PROPERTY, oldSpecifiedName, newSpecifiedName); |
| } |
| |
| /** |
| * internal setter used only for updating from the resource model. |
| * There were problems with InvalidThreadAccess exceptions in the UI |
| * when you set a value from the UI and the annotation doesn't exist yet. |
| * Adding the annotation causes an update to occur and then the exception. |
| */ |
| protected void setSpecifiedName_(String newSpecifiedName) { |
| String oldSpecifiedName = this.specifiedName; |
| this.specifiedName = newSpecifiedName; |
| firePropertyChanged(NamedColumn.SPECIFIED_NAME_PROPERTY, oldSpecifiedName, newSpecifiedName); |
| } |
| |
| public String getDefaultName() { |
| return this.defaultName; |
| } |
| |
| protected void setDefaultName(String newDefaultName) { |
| String oldDefaultName = this.defaultName; |
| this.defaultName = newDefaultName; |
| firePropertyChanged(NamedColumn.DEFAULT_NAME_PROPERTY, oldDefaultName, newDefaultName); |
| } |
| |
| public String getColumnDefinition() { |
| return this.columnDefinition; |
| } |
| |
| public void setColumnDefinition(String newColumnDefinition) { |
| String oldColumnDefinition = this.columnDefinition; |
| this.columnDefinition = newColumnDefinition; |
| getResourceColumn().setColumnDefinition(newColumnDefinition); |
| firePropertyChanged(NamedColumn.COLUMN_DEFINITION_PROPERTY, oldColumnDefinition, newColumnDefinition); |
| } |
| |
| /** |
| * internal setter used only for updating from the resource model. |
| * There were problems with InvalidThreadAccess exceptions in the UI |
| * when you set a value from the UI and the annotation doesn't exist yet. |
| * Adding the annotation causes an update to occur and then the exception. |
| */ |
| protected void setColumnDefinition_(String newColumnDefinition) { |
| String oldColumnDefinition = this.columnDefinition; |
| this.columnDefinition = newColumnDefinition; |
| firePropertyChanged(NamedColumn.COLUMN_DEFINITION_PROPERTY, oldColumnDefinition, newColumnDefinition); |
| } |
| |
| public Owner getOwner() { |
| return this.owner; |
| } |
| |
| public TextRange getNameTextRange(CompilationUnit astRoot) { |
| TextRange textRange = this.getResourceColumn().getNameTextRange(astRoot); |
| return (textRange != null) ? textRange : this.getOwner().getValidationTextRange(astRoot); |
| } |
| |
| public boolean nameTouches(int pos, CompilationUnit astRoot) { |
| return this.getResourceColumn().nameTouches(pos, astRoot); |
| } |
| |
| public Column getDbColumn() { |
| Table table = this.getDbTable(); |
| return (table == null) ? null : table.getColumnForIdentifier(this.getName()); |
| } |
| |
| public Table getDbTable() { |
| return getOwner().getDbTable(this.getTableName()); |
| } |
| |
| /** |
| * Return the name of the column's table. |
| */ |
| protected abstract String getTableName(); |
| |
| public boolean isResolved() { |
| return this.getDbColumn() != null; |
| } |
| |
| @Override |
| public Iterator<String> connectedJavaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) { |
| Iterator<String> result = super.connectedJavaCompletionProposals(pos, filter, astRoot); |
| if (result != null) { |
| return result; |
| } |
| if (this.nameTouches(pos, astRoot)) { |
| return this.javaCandidateNames(filter); |
| } |
| return null; |
| } |
| |
| private Iterator<String> javaCandidateNames(Filter<String> filter) { |
| return StringTools.convertToJavaStringLiterals(this.candidateNames(filter)); |
| } |
| |
| private Iterator<String> candidateNames(Filter<String> filter) { |
| return new FilteringIterator<String, String>(this.candidateNames(), filter); |
| } |
| |
| private Iterator<String> candidateNames() { |
| Table dbTable = this.getDbTable(); |
| return (dbTable != null) ? dbTable.sortedColumnIdentifiers() : EmptyIterator.<String> instance(); |
| } |
| |
| @Override |
| public void toString(StringBuilder sb) { |
| sb.append(this.getName()); |
| } |
| |
| |
| // ******************* update from java resource model ******************** |
| |
| protected void update(T column) { |
| this.setSpecifiedName_(column.getName()); |
| this.setDefaultName(this.buildDefaultName()); |
| this.setColumnDefinition_(column.getColumnDefinition()); |
| } |
| |
| /** |
| * Return the default column name. |
| */ |
| protected String buildDefaultName() { |
| return this.getOwner().getDefaultColumnName(); |
| } |
| |
| } |