Application: gvSIG desktop

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

import java.awt.Component;

import javax.swing.DefaultListCellRenderer;

import javax.swing.JLabel;

import javax.swing.JList;

import org.gvsig.fmap.dal.DataManager;

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

import org.gvsig.fmap.dal.swing.DALSwingLocator;

import org.gvsig.fmap.dal.swing.DataSwingManager;

import org.gvsig.fmap.dal.swing.featuretype.FeatureAttributeListCellRenderer;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.icontheme.IconTheme;

import org.gvsig.tools.util.LabeledValue;

/**

 *

 * @author jjdelcerro

 */

public class FeatureAttributeListCellRendererImpl 

        extends DefaultListCellRenderer

        implements FeatureAttributeListCellRenderer

    {

    private final IconTheme iconTheme;

    private Integer useLabels;

    private final DataSwingManager dalSwingManager;

    public FeatureAttributeListCellRendererImpl() {

        this.iconTheme = ToolsSwingLocator.getIconThemeManager().getCurrent();

        this.useLabels = null;

        this.dalSwingManager = DALSwingLocator.getDataSwingManager();

    }

    @Override

    public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {

        JLabel label = (JLabel) super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);

        if( value == null ) {

            return label;

        }

        FeatureAttributeDescriptor attrdesc;

        if( value instanceof LabeledValue ) {

            attrdesc = ((LabeledValue<FeatureAttributeDescriptor>)value).getValue();

        } else {

            attrdesc = (FeatureAttributeDescriptor) value;

        }   

        String theLabel = "";

        String iconName = null;

        try {

            if(attrdesc  != null) {

                if(this.useLabels == null) {

                    theLabel = dalSwingManager.getAttributeDescriptorLabel(attrdesc);

                } else {

                    switch (this.useLabels) {

                        case DataManager.USE_LABELS_NO:

                            theLabel = attrdesc.getName();

                            break;

                        case DataManager.USE_LABELS_YES:

                            if (attrdesc.hasLabel()) {

                                theLabel = attrdesc.getLocalizedLabel();

                            } else {

                                theLabel = attrdesc.getName();

                            }

                            break;

                        case DataManager.USE_LABELS_BOTH:

                        default:

                            if (attrdesc.hasLabel()) {

                                theLabel = String.format("%s [%s]", attrdesc.getLocalizedLabel(), attrdesc.getName());

                            } else {

                                theLabel = attrdesc.getName();

                            }

                            break;

                    }

                }

                iconName = attrdesc.getDataType().getIconName();

            }

            label.setText(theLabel);

            if (iconTheme.exists(iconName)) {

                label.setIcon(iconTheme.get(iconName));

            } else {

                label.setIcon(null);

            }

        } catch (Exception ex) {

            label.setText("#ERROR#");

        }

        return label;

    }

    @Override

    public void setUseLabels(Integer useLabels) {

        this.useLabels = useLabels;

    }

    @Override

    public Integer getUseLabels() {

        return this.useLabels;

    }

}