/*
* This file is part of LibrePlan
*
* Copyright (C) 2011 Igalia, S.L.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.libreplan.web.common.components.finders;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.SortedMap;
import org.apache.commons.lang.StringUtils;
import org.libreplan.business.hibernate.notification.PredefinedDatabaseSnapshots;
import org.libreplan.business.labels.entities.Label;
import org.libreplan.business.labels.entities.LabelType;
import org.libreplan.business.planner.entities.TaskElement;
import org.libreplan.business.resources.entities.Criterion;
import org.libreplan.business.resources.entities.CriterionType;
import org.libreplan.business.resources.entities.Resource;
import org.springframework.beans.factory.annotation.Autowired;
/**
* Implements all the methods needed to search the criteria to filter the
* {@link TaskElement}. Provides multiples criteria to filter like
* {@link Criterion} and {@link Label}.
*
* @author Manuel Rego Casasnovas <rego@igalia.com>
*/
public class TaskElementsMultipleFiltersFinder extends MultipleFiltersFinder {
@Autowired
private PredefinedDatabaseSnapshots databaseSnapshots;
protected TaskElementsMultipleFiltersFinder() {
}
@Override
public List<FilterPair> getFirstTenFilters() {
getListMatching().clear();
fillWithFirstTenFiltersLabels();
fillWithFirstTenFiltersCriterions();
fillWithFirstTenFiltersResources();
addNoneFilter();
return getListMatching();
}
private List<FilterPair> fillWithFirstTenFiltersLabels() {
Map<LabelType, List<Label>> mapLabels = getLabelsMap();
Iterator<LabelType> iteratorLabelType = mapLabels.keySet().iterator();
while (iteratorLabelType.hasNext() && getListMatching().size() < 10) {
LabelType type = iteratorLabelType.next();
for (int i = 0; getListMatching().size() < 10
&& i < mapLabels.get(type).size(); i++) {
Label label = mapLabels.get(type).get(i);
addLabel(type, label);
}
}
return getListMatching();
}
private Map<LabelType, List<Label>> getLabelsMap() {
return databaseSnapshots.snapshotLabelsMap();
}
private List<FilterPair> fillWithFirstTenFiltersCriterions() {
SortedMap<CriterionType, List<Criterion>> mapCriterions = getMapCriterions();
Iterator<CriterionType> iteratorCriterionType = mapCriterions.keySet()
.iterator();
while (iteratorCriterionType.hasNext() && getListMatching().size() < 10) {
CriterionType type = iteratorCriterionType.next();
for (int i = 0; getListMatching().size() < 10
&& i < mapCriterions.get(type).size(); i++) {
Criterion criterion = mapCriterions.get(type).get(i);
addCriterion(type, criterion);
}
}
return getListMatching();
}
private SortedMap<CriterionType, List<Criterion>> getMapCriterions() {
return databaseSnapshots.snapshotCriterionsMap();
}
@Override
public List<FilterPair> getMatching(String filter) {
getListMatching().clear();
if ((filter != null) && (!filter.isEmpty())) {
filter = StringUtils.deleteWhitespace(filter.toLowerCase());
searchInCriterionTypes(filter);
searchInLabelTypes(filter);
searchInResources(filter);
}
addNoneFilter();
return getListMatching();
}
private void searchInCriterionTypes(String filter) {
boolean limited = (filter.length() < 3);
for (CriterionType type : getMapCriterions().keySet()) {
String name = StringUtils.deleteWhitespace(type.getName()
.toLowerCase());
if (name.contains(filter)) {
setFilterPairCriterionType(type, limited);
} else {
searchInCriterions(type, filter);
}
}
}
private void searchInCriterions(CriterionType type, String filter) {
List<Criterion> list = getMapCriterions().get(type);
if (list == null) {
return;
}
for (Criterion criterion : list) {
String name = StringUtils.deleteWhitespace(criterion.getName()
.toLowerCase());
if (name.contains(filter)) {
addCriterion(type, criterion);
if ((filter.length() < 3) && (getListMatching().size() > 9)) {
return;
}
}
}
}
private void setFilterPairCriterionType(CriterionType type, boolean limited) {
List<Criterion> list = getMapCriterions().get(type);
if (list == null) {
return;
}
for (Criterion criterion : list) {
addCriterion(type, criterion);
if ((limited) && (getListMatching().size() > 9)) {
return;
}
}
}
private void searchInLabelTypes(String filter) {
boolean limited = (filter.length() < 3);
for (LabelType type : getLabelsMap().keySet()) {
String name = StringUtils.deleteWhitespace(type.getName()
.toLowerCase());
if (name.contains(filter)) {
setFilterPairLabelType(type, limited);
} else {
searchInLabels(type, filter);
}
}
}
private void searchInLabels(LabelType type, String filter) {
for (Label label : getLabelsMap().get(type)) {
String name = StringUtils.deleteWhitespace(label.getName()
.toLowerCase());
if (name.contains(filter)) {
addLabel(type, label);
if ((filter.length() < 3) && (getListMatching().size() > 9)) {
return;
}
}
}
}
private void setFilterPairLabelType(LabelType type, boolean limited) {
for (Label label : getLabelsMap().get(type)) {
addLabel(type, label);
if ((limited) && (getListMatching().size() > 9)) {
return;
}
}
}
private void addCriterion(CriterionType type, Criterion criterion) {
String pattern = criterion.getName() + " ( " + type.getName() + " )";
getListMatching().add(
new FilterPair(TaskElementFilterEnum.Criterion, type
.getResource().toLowerCase(), pattern, criterion));
}
private void addLabel(LabelType type, Label label) {
getListMatching().add(
new FilterPair(TaskElementFilterEnum.Label, label
.getFinderPattern(), label));
}
private List<FilterPair> fillWithFirstTenFiltersResources() {
Map<Class<?>, List<Resource>> mapResources = databaseSnapshots
.snapshotMapResources();
Iterator<Class<?>> iteratorClass = mapResources.keySet().iterator();
while (iteratorClass.hasNext() && getListMatching().size() < 10) {
Class<?> className = iteratorClass.next();
for (int i = 0; getListMatching().size() < 10
&& i < mapResources.get(className).size(); i++) {
Resource resource = mapResources.get(className).get(i);
addResource(className, resource);
}
}
return getListMatching();
}
private void searchInResources(String filter) {
Map<Class<?>, List<Resource>> mapResources = databaseSnapshots
.snapshotMapResources();
for (Class<?> className : mapResources.keySet()) {
for (Resource resource : mapResources.get(className)) {
String name = StringUtils.deleteWhitespace(resource.getName()
.toLowerCase());
if (name.contains(filter)) {
addResource(className, resource);
if ((filter.length() < 3) && (getListMatching().size() > 9)) {
return;
}
}
}
}
}
private void addResource(Class className, Resource resource) {
String pattern = resource.getName();
getListMatching().add(
new FilterPair(TaskElementFilterEnum.Resource, className
.getSimpleName(), pattern, resource));
}
}