public void paintComponent()

in src/main/java/org/apache/log4j/chainsaw/LogPanel.java [3827:3897]
46 lines of code
11 McCabe index (conditional complexity)

        public void paintComponent(Graphics g) {
            super.paintComponent(g);

            int rowCount = table.getRowCount();
            if (rowCount == 0) {
                return;
            }
            //use event pane height as reference height - max component height will be extended by event height if
            // last row is rendered, so subtract here
            int height = eventsPane.getHeight();
            int maxHeight = Math.min(maxEventHeight, (height / rowCount));
            int minHeight = Math.max(1, maxHeight);
            int componentHeight = height - minHeight;
            int eventHeight = minHeight;

            //draw all non error/warning/marker events
            for (Object aPrimaryList1 : primaryList) {
                ThumbnailLoggingEventWrapper wrapper = (ThumbnailLoggingEventWrapper) aPrimaryList1;
                if (!wrapper.loggingEventWrapper.getColorRuleBackground().equals(ChainsawConstants.COLOR_DEFAULT_BACKGROUND)) {
                    if (wrapper.loggingEventWrapper.getLoggingEvent().m_level.ordinal() < Level.WARN.ordinal() && wrapper.loggingEventWrapper.getLoggingEvent().getProperty(ChainsawConstants.LOG4J_MARKER_COL_NAME_LOWERCASE) == null) {
                        float ratio = (wrapper.rowNum / (float) rowCount);
                        //                System.out.println("error - ratio: " + ratio + ", component height: " + componentHeight);
                        int verticalLocation = (int) (componentHeight * ratio);

                        int startX = 1;
                        int width = getWidth() - (startX * 2);

                        drawEvent(wrapper.loggingEventWrapper.getColorRuleBackground(), verticalLocation, eventHeight, g, startX, width);
                        //                System.out.println("painting error - rownum: " + wrapper.rowNum + ", location: " + verticalLocation + ", height: " + eventHeight + ", component height: " + componentHeight + ", row count: " + rowCount);
                    }
                }
            }

            //draw warnings, error, fatal & markers last (full width)
            for (Object aPrimaryList : primaryList) {
                ThumbnailLoggingEventWrapper wrapper = (ThumbnailLoggingEventWrapper) aPrimaryList;
                if (!wrapper.loggingEventWrapper.getColorRuleBackground().equals(ChainsawConstants.COLOR_DEFAULT_BACKGROUND)) {
                    if (wrapper.loggingEventWrapper.getLoggingEvent().m_level.ordinal() >= Level.WARN.ordinal() || wrapper.loggingEventWrapper.getLoggingEvent().getProperty(ChainsawConstants.LOG4J_MARKER_COL_NAME_LOWERCASE) != null) {
                        float ratio = (wrapper.rowNum / (float) rowCount);
                        //                System.out.println("error - ratio: " + ratio + ", component height: " + componentHeight);
                        int verticalLocation = (int) (componentHeight * ratio);

                        int startX = 1;
                        int width = getWidth() - (startX * 2);
                        //narrow the color a bit if level is less than warn
                        //make warnings, errors a little taller

                        eventHeight = Math.min(maxEventHeight, eventHeight + 3);
//                            eventHeight = maxEventHeight;

                        drawEvent(wrapper.loggingEventWrapper.getColorRuleBackground(), (verticalLocation - eventHeight + 1), eventHeight, g, startX, width);
                        //                System.out.println("painting error - rownum: " + wrapper.rowNum + ", location: " + verticalLocation + ", height: " + eventHeight + ", component height: " + componentHeight + ", row count: " + rowCount);
                    }
                }
            }

            for (Object aSecondaryList : secondaryList) {
                ThumbnailLoggingEventWrapper wrapper = (ThumbnailLoggingEventWrapper) aSecondaryList;
                float ratio = (wrapper.rowNum / (float) rowCount);
//                System.out.println("warning - ratio: " + ratio + ", component height: " + componentHeight);
                int verticalLocation = (int) (componentHeight * ratio);

                int startX = 1;
                int width = getWidth() - (startX * 2);
                width = (width / 2);

                //use black for search indicator in the 'gutter'
                drawEvent(Color.BLACK, verticalLocation, eventHeight, g, startX, width);
//                System.out.println("painting warning - rownum: " + wrapper.rowNum + ", location: " + verticalLocation + ", height: " + eventHeight + ", component height: " + componentHeight + ", row count: " + rowCount);
            }
        }