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

Example 6 with PieSectionDataModel

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

the class FixedPieDataModel method addDataRow.

/**
 * @param row the row to add
 * @param rowColor the color of the roe
 * @param pieCell the cell with the pie value
 * @param aggrCell the cell with the aggregation value
 * @throws TooManySectionsException if more sections are created than
 * supported
 */
public void addDataRow(final DataRow row, final Color rowColor, final DataCell pieCell, final DataCell aggrCell) throws TooManySectionsException {
    if (pieCell == null) {
        throw new NullPointerException("Pie section value must not be null.");
    }
    PieSectionDataModel section;
    if (pieCell.isMissing()) {
        section = getMissingSection();
    } else {
        section = getSection(pieCell);
        if (section == null) {
            if (m_sections.size() >= PieColumnFilter.MAX_NO_OF_SECTIONS) {
                throw new TooManySectionsException("Selected pie column contains more than " + PieColumnFilter.MAX_NO_OF_SECTIONS + " unique values.");
            }
            // throw new IllegalArgumentException("No section found for: "
            // + pieCell.toString());
            section = new PieSectionDataModel(pieCell.toString(), Color.BLACK, supportsHiliting());
            m_sections.add(section);
        }
        m_sectionsInitialized = false;
    }
    section.addDataRow(rowColor, row.getKey(), aggrCell);
}

Example 7 with PieSectionDataModel

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

the class FixedPieDataModel method save2File.

/**
 * @param directory the directory to write to
 * @param exec the {@link ExecutionMonitor} to provide progress messages
 * @throws IOException if a file exception occurs
 * @throws CanceledExecutionException if the operation was canceled
 */
public void save2File(final File directory, final ExecutionMonitor exec) throws IOException, CanceledExecutionException {
    if (exec != null) {
        exec.setProgress(0.0, "Start saving histogram data model to file");
    }
    final File dataFile = new File(directory, CFG_DATA_FILE);
    final FileOutputStream os = new FileOutputStream(dataFile);
    final GZIPOutputStream dataOS = new GZIPOutputStream(os);
    final Config config = new NodeSettings(CFG_DATA);
    config.addString(CFG_PIE_COL, m_pieCol);
    config.addBoolean(CFG_NUMERIC_PIE_COL, m_numericPieCol);
    config.addString(CFG_AGGR_COL, m_aggrCol);
    config.addBoolean(CFG_HILITING, supportsHiliting());
    config.addBoolean(CFG_DETAILS, detailsAvailable());
    config.addBoolean(CFG_IS_COLOR_COLUMN, m_isColorColumn);
    if (exec != null) {
        exec.setProgress(0.3, "Start saving sections...");
        exec.checkCanceled();
    }
    final Config sectionsConf = config.addConfig(CFG_SECTIONS);
    sectionsConf.addInt(CFG_SECTION_COUNT, m_sections.size());
    int idx = 0;
    for (final PieSectionDataModel section : m_sections) {
        final ConfigWO sectionConf = sectionsConf.addConfig(CFG_SECTION + idx++);
        section.save2File(sectionConf, exec);
    }
    if (exec != null) {
        exec.setProgress(0.8, "Start saving missing section...");
        exec.checkCanceled();
    }
    final ConfigWO missingSection = sectionsConf.addConfig(CFG_MISSING_SECTION);
    m_missingSection.save2File(missingSection, exec);
    config.saveToXML(dataOS);
    dataOS.flush();
    dataOS.close();
    os.flush();
    os.close();
    if (exec != null) {
        exec.setProgress(1.0, "Pie data model saved");
    }
}

Example 8 with PieSectionDataModel

use of org.knime.base.node.viz.pie.datamodel.PieSectionDataModel 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());
}