/*****************************************************************
* 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.cayenne.modeler.dialog.db;
import java.awt.Component;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.DbAttribute;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.map.DbRelationship;
import org.apache.cayenne.modeler.ProjectController;
import org.apache.cayenne.modeler.util.CayenneController;
import org.apache.cayenne.project.Project;
import org.apache.cayenne.project.validation.ProjectValidator;
import org.apache.cayenne.swing.BindingBuilder;
import org.apache.cayenne.swing.ObjectBinding;
import org.apache.cayenne.swing.TableBindingBuilder;
import org.apache.cayenne.validation.ValidationFailure;
import org.apache.cayenne.validation.ValidationResult;
/**
*/
public class TableSelectorController extends CayenneController {
protected TableSelectorView view;
protected ObjectBinding tableBinding;
protected DbEntity table;
protected List<DbEntity> tables;
protected int permanentlyExcludedCount;
protected Map<String, DbEntity> excludedTables;
protected List<DbEntity> selectableTablesList;
protected Map<String, String> validationMessages;
public TableSelectorController(ProjectController parent) {
super(parent);
this.view = new TableSelectorView();
this.excludedTables = new HashMap<String, DbEntity>();
this.selectableTablesList = new ArrayList<DbEntity>();
this.validationMessages = new HashMap<String, String>();
initController();
}
public Component getView() {
return view;
}
/**
* Called by table binding script to set current table.
*/
public void setTable(DbEntity table) {
this.table = table;
}
/**
* Returns DbEntities that are excluded from DB generation.
*/
public Collection<DbEntity> getExcludedTables() {
return excludedTables.values();
}
public List<DbEntity> getTables() {
return tables;
}
public boolean isIncluded() {
if (table == null) {
return false;
}
return !excludedTables.containsKey(table.getName());
}
public void setIncluded(boolean b) {
if (table == null) {
return;
}
if (b) {
excludedTables.remove(table.getName());
}
else {
excludedTables.put(table.getName(), table);
}
tableSelectedAction();
}
/**
* A callback action that updates the state of Select All checkbox.
*/
public void tableSelectedAction() {
int unselectedCount = excludedTables.size() - permanentlyExcludedCount;
if (unselectedCount == selectableTablesList.size()) {
view.getCheckAll().setSelected(false);
}
else if (unselectedCount == 0) {
view.getCheckAll().setSelected(true);
}
}
public Object getProblem() {
return (table != null) ? validationMessages.get(table.getName()) : null;
}
// ------ other stuff ------
protected void initController() {
BindingBuilder builder = new BindingBuilder(
getApplication().getBindingFactory(),
this);
builder.bindToAction(view.getCheckAll(), "checkAllAction()");
TableBindingBuilder tableBuilder = new TableBindingBuilder(builder);
tableBuilder.addColumn(
"",
"setTable(#item), included",
Boolean.class,
true,
Boolean.TRUE);
tableBuilder.addColumn(
"Table",
"#item.name",
String.class,
false,
"XXXXXXXXXXXXXXXX");
tableBuilder.addColumn(
"Problems",
"setTable(#item), problem",
String.class,
false,
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
this.tableBinding = tableBuilder.bindToTable(view.getTables(), "tables");
}
/**
* Performs validation of DbEntities in the current DataMap. Returns a collection of
* ValidationInfo objects describing the problems.
*/
public void updateTables(DataMap dataMap) {
this.tables = new ArrayList<DbEntity>(dataMap.getDbEntities());
excludedTables.clear();
validationMessages.clear();
// if there were errors, filter out those related to
// non-derived DbEntities...
// TODO: this is inefficient.. we need targeted validation
// instead of doing it on the whole project
Project project = getApplication().getProject();
ProjectValidator projectValidator = getApplication().getInjector().getInstance(
ProjectValidator.class);
ValidationResult validationResult = projectValidator.validate(project
.getRootNode());
if (validationResult.getFailures().size() > 0) {
for (ValidationFailure nextProblem : validationResult.getFailures()) {
DbEntity failedEntity = null;
if (nextProblem.getSource() instanceof DbAttribute) {
DbAttribute failedAttribute = (DbAttribute) nextProblem.getSource();
failedEntity = (DbEntity) failedAttribute.getEntity();
}
else if (nextProblem.getSource() instanceof DbRelationship) {
DbRelationship failedRelationship = (DbRelationship) nextProblem
.getSource();
failedEntity = (DbEntity) failedRelationship.getSourceEntity();
}
else if (nextProblem.getSource() instanceof DbEntity) {
failedEntity = (DbEntity) nextProblem.getSource();
}
if (failedEntity == null) {
continue;
}
excludedTables.put(failedEntity.getName(), failedEntity);
validationMessages.put(failedEntity.getName(), nextProblem
.getDescription());
}
}
// Find selectable tables
permanentlyExcludedCount = excludedTables.size();
selectableTablesList.clear();
for (DbEntity table : tables) {
if (false == excludedTables.containsKey(table.getName())) {
selectableTablesList.add(table);
}
}
tableBinding.updateView();
tableSelectedAction();
}
public void checkAllAction() {
boolean isCheckAllSelected = view.getCheckAll().isSelected();
if (isCheckAllSelected) {
selectableTablesList.clear();
selectableTablesList.addAll(tables);
excludedTables.clear();
}
else {
excludedTables.clear();
for (DbEntity table : tables) {
excludedTables.put(table.getName(), table);
}
selectableTablesList.clear();
}
tableBinding.updateView();
}
}