package com.onaro.util.jfc.tables.renderers;

import com.onaro.sanscreen.client.view.tabular.value.ValueDecoration;
import com.onaro.util.enumeration.EnumPresentation;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.table.DefaultTableCellRenderer;
import java.awt.Color;

public class SimpleTableCellRenderer extends DefaultTableCellRenderer {
    private static final long serialVersionUID = 1L;
    static final Logger logger = LogManager.getLogger(SimpleTableCellRenderer.class);
    private Object value;

    public SimpleTableCellRenderer() {
        setVerticalAlignment( JLabel.CENTER );
    }
    
    public SimpleTableCellRenderer(int horizontalAlignment) {
        this();
        setHorizontalAlignment(horizontalAlignment);
    }

    protected void setValue(Object value) {
        //keep the value so we can identify if it's a decoration
        this.value = value;
        decorateCell(value);
        super.setValue(value);
    }

    private void decorateCell(Object value) {
        setIcon(null);

        if( value instanceof EnumPresentation.Attributes ) {
            EnumPresentation.Attributes attr = (EnumPresentation.Attributes)value;
            setEnumIcon(attr);
        }else if(value instanceof ValueDecoration) {
            ValueDecoration decoration = (ValueDecoration) value;

            //decorate the cell according to the value
            if(decoration.getIcon() != null) setIcon(decoration.getIcon());
            if(decoration.getBackground() != null) super.setBackground(decoration.getBackground());
            if(decoration.getForeground() != null) super.setForeground(decoration.getForeground());
        }
    }

    protected void setEnumIcon(EnumPresentation.Attributes attr) {
        if( attr.smallIcon != null ) {
            ImageIcon smallIcon = attr.smallIcon;
            setIcon(smallIcon);
        }
    }


    //this works around the table changing the color back according to the selection of the row, ignoring the decoration
    public void setBackground(Color c) {
        if (value instanceof ValueDecoration){
            ValueDecoration decoration = (ValueDecoration) value;
            if(decoration.getBackground() != null){
                if(logger.isDebugEnabled()) logger.debug("ignore the setting of background to keep the background of the ValueDecoration"); //$NON-NLS-1$
                return;
            }
        }
        super.setBackground(c);
    }

    //this works around the table changing the color back according to the selection of the row, ignoring the decoration
    public void setForeground(Color c) {
        if (value instanceof ValueDecoration){
            ValueDecoration decoration = (ValueDecoration) value;
            if(decoration.getForeground() != null){
                if(logger.isDebugEnabled()) logger.debug("ignore the setting of foreground to keep the foreground of the ValueDecoration"); //$NON-NLS-1$
                return;
            }
        }
        super.setForeground(c);
    }
}