Application: gvSIG desktop

package org.gvsig.expressionevaluator.swing.spi;

import java.util.Collection;

import java.util.Collections;

import java.util.Objects;

import javax.swing.ImageIcon;

import org.gvsig.expressionevaluator.swing.Element;

import org.gvsig.expressionevaluator.swing.ExpressionBuilderConfig;

import org.gvsig.expressionevaluator.swing.JExpressionBuilder;

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

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

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

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 *

 * @author jjdelcerro

 */

public abstract class AbstractElement implements Element {

    protected static final Logger LOGGER = LoggerFactory.getLogger(AbstractElement.class);

    final Object value;

    final String iconName;

    final ImageIcon icon;

    private String name;

    private ExpressionBuilderConfig config;

    protected AbstractElement(String name) {

        this(name, name, null);

    }

    protected AbstractElement(String name, Object value) {

        this(name, value, null);

    }

    protected AbstractElement(String name, Object value, String iconName) {

        if( name == null ) {

            this.name = Objects.toString(value);

        } else {

            this.name = name;

        }

        if( value == null ) {

            this.value = name;

        } else {

            this.value = value;

        }

        this.iconName = iconName;

        IconTheme theme = ToolsSwingLocator.getIconThemeManager().getCurrent();

        if( theme.exists(iconName) ) {

            this.icon = theme.get(iconName);

        } else if( this instanceof GroupElement ) {

            this.icon = theme.get("expressionbuilder-element-group");

        } else {

            this.icon = theme.get("expressionbuilder-element");

        }

    }

    @Override

    public Element setConfig(ExpressionBuilderConfig config) {

        this.config = config;

        return this;

    }

    @Override

    public ExpressionBuilderConfig getConfig() {

        return this.config;

    }

    @Override

    public String getName() {

        return this.name;

    }

    protected void setName(String name) {

        this.name = name;

    }

    @Override

    public Object getValue() {

        return this.value;

    }

    @Override

    public Collection<Element> getValues() {

        return Collections.EMPTY_LIST;

    }

    @Override

    public boolean hasMoreValues() {

        return false;

    }

    @Override

    public String getRenderedValue() {

        return Objects.toString(this.value);

    }

    @Override

    public String getDescription() {

        return null;

    }

    @Override

    public String getLabel() {

        return Objects.toString(this.value, "");

    }

    @Override

    @SuppressWarnings("StringEquality")

    public int compareTo(Object other) {

        String otherLabel = null;

        if( other!=null ) {

            otherLabel = other.toString();

        }

        String thisLabel = this.getLabel();

        if (thisLabel== otherLabel) {

            return 0;

        } else if (thisLabel== null) {

            return -1;

        } else if (otherLabel == null) {

            return 1;

        }

        return thisLabel.compareTo(otherLabel);        

    }

    @Override

    public String getIconName() {

        return iconName;

    }

    @Override

    public ImageIcon getIcon() {

        return this.icon;

    }

    @Override

    public void used() {

    }

    @Override

    public Component getAditionalPanel(JExpressionBuilder expressionBuilder) {

        return null;

    }

    @Override

    public String toString() {

        return this.getLabel();

    }

    @Override

    public void reload() {

    }

    @Override

    public boolean isEnabled() {

        return true;

    }

}