Application: gvSIG desktop

package org.gvsig.fmap.mapcontrol.dal.expresionPanel;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.Map;

import javax.swing.ListModel;

import javax.swing.event.ListDataListener;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import org.apache.commons.lang3.StringUtils;

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.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class ExpresionPanel extends ExpresionPanelLayout {

    private static final Logger logger = LoggerFactory.getLogger(ExpresionPanel.class);

    private FeatureStore store;

    private Map values;

    private boolean okCancelVisible = true;

    private boolean isCanceled;

    private static class FeatureTypeListModel implements ListModel {

        private final FeatureType featureType;

        public FeatureTypeListModel(FeatureType featureType) {

            this.featureType = featureType;

        }

        public int getSize() {

            return this.featureType.size();

        }

        public Object getElementAt(int index) {

            return this.featureType.get(index);

        }

        public void addListDataListener(ListDataListener l) {

        }

        public void removeListDataListener(ListDataListener l) {

        }

    }

    public ExpresionPanel(FeatureStore store) {

        this.isCanceled = false;

        this.initComponents();

    }

    public void setFeatureStore(FeatureStore store) {

        this.store = store;

        try {

            this.lstFields.setModel(new FeatureTypeListModel(this.store.getDefaultFeatureType()));

        } catch (DataException ex) {

            logger.warn("Can't create model for field list.",ex);

        }

    }

    public void setOkCancelVisible(boolean acceptVisible) {

        this.okCancelVisible = acceptVisible;

    }

    public boolean getOkCancelVisible() {

        return this.okCancelVisible;

    }

    private void initComponents() {

        this.butAccept.setVisible(this.okCancelVisible);

        this.lstFields.addListSelectionListener(new ListSelectionListener() {

            public void valueChanged(ListSelectionEvent e) {

                doSelectField();

            }

        });

        this.lstValues.addListSelectionListener(new ListSelectionListener() {

            public void valueChanged(ListSelectionEvent e) {

                doSelectValue();

            }

        });

        ActionListener action = new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                doInsert(e.getActionCommand()+" ");

            }

        };

        this.butAnd.addActionListener(action);

        this.butOr.addActionListener(action);

        this.butNot.addActionListener(action);

        this.butEq.addActionListener(action);

        this.butNe.addActionListener(action);

        this.butGt.addActionListener(action);

        this.butLt.addActionListener(action);

        this.butGe.addActionListener(action);

        this.butLe.addActionListener(action);

        this.butClear.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                doClear();

            }

        });

        this.butAccept.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                doAcept();

            }

        });

        this.butCancel.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                doCancel();

            }

        });

    }

    public boolean isCanceled() {

        return this.isCanceled;

    }

    public String getExpresion() {

        return StringUtils.defaultIfBlank(this.txtExpresion.getText(), null);

    }

    private void doAcept() {

        this.isCanceled=false;

        this.setVisible(false);

    }

    private void doCancel() {

        this.isCanceled=true;

        this.setVisible(false);

    }

    private void doSelectField() {

        FeatureAttributeDescriptor x = (FeatureAttributeDescriptor) this.lstFields.getSelectedValue();

        if( x == null ) {

            return;

        }

        this.doInsert(x.getName());

        this.doInsert(" ");

        this.fillValuesList(x.getName());

    }

    private void doClear() {

        this.txtExpresion.setText("");

    }

    private void doSelectValue() {

        // TODO: falta por implemetar doSelectValue

    }

    private void doInsert(String s) {

        this.txtExpresion.insert(s, this.txtExpresion.getCaretPosition());

    }

    private void fillValuesList(String name) {

        // TODO: falta por implemetar fillValuesList

    }

}