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package org.myorg.mycolourrendererplugin;

import com.im.commons.ui.UIUtilities;
import com.im.ijc.core.api.renderers.IJCStyledPrintRenderer;
import com.im.ijc.core.api.renderers.IJCWidgetTextRenderer;
import com.im.ijc.core.api.renderers.IJCWidgetTextRenderer.TextFormatInfo;
import java.awt.Color;
import java.awt.Component;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;

/**
 *
 */
public class ColouringRenderer extends DefaultTableCellRenderer implements IJCWidgetTextRenderer, IJCWidgetTextRenderer.TextFormatInfo {

    public static final String PROP_SPLIT_VALUE = "splitValue"; // NOI18N
    public static final String PROP_LOWER_COLOR = "lowerColor"; // NOI18N
    public static final String PROP_HIGHER_COLOR = "higherColor"; // NOI18N

    private float splitValue;
    private Color lowerColor;
    private Color higherColor;

    public ColouringRenderer() {
        splitValue = 0f;
        lowerColor = new Color(200, 255, 200);
        higherColor = new Color(255, 200, 200);
    }

    @Override
    public Component getTableCellRendererComponent(
            JTable table, Object value,
            boolean isSelected, boolean hasFocus,
            int row, int column) {
        Component comp = super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);

        setValue(value);

        if (value instanceof Number) {
            Number n = (Number) value;
            boolean under = (n.floatValue() < splitValue);
            Color bg = (under ? lowerColor : higherColor);
            if (isSelected) {
                bg = UIUtilities.mixColors(comp.getBackground(), bg, 0.5f);
            }
            setBackground(bg);
        }

        return comp;
    }

    public void setSplitValue(float splitValue) {
        float oldValue = this.splitValue;
        this.splitValue = splitValue;
        firePropertyChange(PROP_SPLIT_VALUE, oldValue, splitValue);
    }

    public float getSplitValue() {
        return splitValue;
    }

    public void setLowerColor(Color lowerColor) {
        if (lowerColor == null) {
            throw new IllegalArgumentException();
        }

        Color oldValue = this.lowerColor;
        this.lowerColor = lowerColor;
        firePropertyChange(PROP_LOWER_COLOR, oldValue, lowerColor);
    }

    public Color getLowerColor() {
        return lowerColor;
    }

    public void setHigherColor(Color higherColor) {
        if (higherColor == null) {
            throw new IllegalArgumentException();
        }

        Color oldValue = this.higherColor;
        this.higherColor = higherColor;
        firePropertyChange(PROP_HIGHER_COLOR, oldValue, higherColor);
    }

    public Color getHigherColor() {
        return higherColor;
    }

    @Override
    public TextFormatInfo getTextFormatInfo(Object value) {
        setValue(value);
        return this;
    }

    @Override
    public String getValueAsText() {
        return getText();
    }

    @Override
    public boolean getLineWrap() {
        return false;
    }

    @Override
    public boolean isMultiLine() {
        return false;
    }

    @Override
    public IJCStyledPrintRenderer getIJCStyledPrintRenderer() {
        return null;
    }
}