Examples with PieSubSectionDataModel org.knime.base.node.viz.pie.datamodel.PieSubSectionDataModel used on opensource projects

Example 1 with PieSubSectionDataModel

use of org.knime.base.node.viz.pie.datamodel.PieSubSectionDataModel in project knime-core by knime.

the class PieDrawingPane method paintContent.

/**
 * {@inheritDoc}
 */
@Override
public synchronized void paintContent(final Graphics g) {
    final Graphics2D g2 = (Graphics2D) g;
    String msg = m_infoMsg;
    if (m_vizModel == null) {
        // if we have no bins and no info message display a no bars info
        if (msg == null) {
            msg = "No pie data available";
        }
    }
    // check if we have to display an information message
    if (msg != null) {
        DrawingUtils.drawMessage(g2, INFO_MSG_FONT, msg, getBounds());
        return;
    }
    final RenderingHints origHints = g2.getRenderingHints();
    if (m_vizModel.drawAntialias()) {
        // Enable antialiasing for shapes
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    } else {
        // Disable antialiasing for shapes
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
    }
    final Rectangle2D explodeArea = m_vizModel.getExplodedArea();
    final Rectangle2D pieArea = m_vizModel.getPieArea();
    final double labelLinkSize = m_vizModel.getLabelLinkSize();
    final boolean explode = m_vizModel.explodeSelectedSections();
    final boolean drawOutline = m_vizModel.drawSectionOutline();
    // final AggregationMethod aggrMethod = m_vizModel.getAggregationMethod();
    // final double totalValue = m_vizModel.getAbsAggregationValue();
    final LabelDisplayPolicy labelPolicy = m_vizModel.getLabelDisplayPolicy();
    final boolean showDetails = m_vizModel.showDetails();
    for (final PieSectionDataModel section : m_vizModel.getSections2Draw()) {
        if (!section.isPresentable()) {
            // skip not presentable sections
            continue;
        }
        // check if we should draw ...
        if (showDetails && section.isSelected()) {
            // ... all subsections of this section or...
            final Collection<PieSubSectionDataModel> elements = section.getElements();
            for (final PieSubSectionDataModel subSection : elements) {
                drawSection(g2, subSection, false);
                if (LabelDisplayPolicy.ALL.equals(labelPolicy) || (LabelDisplayPolicy.SELECTED.equals(labelPolicy) && subSection.isSelected())) {
                    final Rectangle2D labelArea;
                    if (explode && section.isSelected()) {
                        labelArea = explodeArea;
                    } else {
                        labelArea = pieArea;
                    }
                    final String label = m_vizModel.createLabel(section, subSection);
                    drawLabel(g2, label, labelArea, labelLinkSize, subSection);
                }
            }
        } else {
            // ...only the main section itself
            drawSection(g2, section, drawOutline);
            if (LabelDisplayPolicy.ALL.equals(labelPolicy) || (LabelDisplayPolicy.SELECTED.equals(labelPolicy) && section.isSelected())) {
                final Rectangle2D labelArea;
                if (explode && section.isSelected()) {
                    labelArea = explodeArea;
                } else {
                    labelArea = pieArea;
                }
                final String label = m_vizModel.createLabel(section);
                drawLabel(g2, label, labelArea, labelLinkSize, section);
            }
        }
    }
    // set the old rendering hints
    g2.setRenderingHints(origHints);
// draw the rectangles for debugging
// g2.setStroke(SECTION_OUTLINE_STROKE);
// g2.setColor(Color.CYAN);
// g2.draw(m_vizModel.getLabelArea());
// g2.draw(m_vizModel.getExplodedArea());
// g2.draw(m_vizModel.getPieArea());
}