Application: gvSIG desktop

package org.gvsig.fmap.dal.swing.impl.expressionevaluator;

import org.gvsig.fmap.dal.swing.expressionevaluator.FeatureStoreElement;

import java.util.ArrayList;

import java.util.Collection;

import java.util.Collections;

import java.util.Comparator;

import java.util.Iterator;

import java.util.List;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.expressionevaluator.Function;

import org.gvsig.expressionevaluator.swing.Element;

import org.gvsig.expressionevaluator.swing.Element.SimpleElement;

import org.gvsig.expressionevaluator.swing.ExpressionBuilderConfig;

import org.gvsig.expressionevaluator.swing.spi.AbstractElement;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.dal.feature.FeatureType;

import org.gvsig.fmap.dal.swing.impl.searchpanel.SearchUtils;

/**

 *

 * @author jjdelcerro

 */

@SuppressWarnings("UseSpecificCatch")

public class DefaultFeatureStoreElement

        extends AbstractElement

        implements FeatureStoreElement, SimpleElement {

    private FeatureStore store;

    private FeatureType type;

    private List<Element> elements;

    private String myName;

    public DefaultFeatureStoreElement(FeatureStore store) {

        super("store", "store", "expressionbuilder-element-table");

        this.setFeatureStore(store);

    }

    @Override

    public Element get(int index) {

        return this.elements.get(index);

    }

    @Override

    public void setName(String name) {

        this.myName = name;

    }

    @Override

    public String getName() {

        if (!StringUtils.isBlank(this.myName)) {

            return this.myName;

        }

        if (this.store == null) {

            return super.getName();

        }

        return this.store.getName();

    }

    @Override

    public int size() {

        return this.type.size();

    }

    @Override

    public Iterator<Element> iterator() {

        return this.elements.iterator();

    }

    @Override

    public void addElement(Element element) {

    }

    @Override

    public void addElement(Function function) {

    }

    @Override

    public List<Element> getElements() {

        if (this.elements == null) {

            return Collections.EMPTY_LIST;

        }

        return Collections.unmodifiableList(this.elements);

    }

    @Override

    public boolean hasSubgroups() {

        return true;

    }

    @Override

    public boolean hasMoreElements() {

        return false;

    }

    @Override

    public void setFeatureStore(FeatureStore store) {

        if (store == null) {

            this.elements = Collections.EMPTY_LIST;

            return;

        }

        this.store = store;

        this.buildElements();

    }

    @Override

    public FeatureStore getFeatureStore() {

        return this.store;

    }

    @Override

    public Element setConfig(ExpressionBuilderConfig config) {

        super.setConfig(config);

        this.buildElements();

        return this;

    }

    private void buildElements() {

        if( this.store == null || this.getConfig()==null ) {

            return;

        }

        try {

            this.type = this.store.getDefaultFeatureType();

            this.elements = new ArrayList<>();

            Collection<FeatureAttributeDescriptor> attributes = SearchUtils.getOrderedAttributes(

                    type, 

                    SearchUtils.ALL_FILTER, 

                    SearchUtils.LABEL_ORDER, 

                    -1

            );

            for (FeatureAttributeDescriptor attrdesc : attributes) {

                Element element = new FeatureAttributeElement(this.store,attrdesc);

                element.setConfig(this.getConfig());

                this.elements.add(element);

            }

        } catch (Exception ex) {

            throw new RuntimeException(ex);

        }

    }

}