Examples with CSSHoverClass de.lmu.ifi.dbs.elki.visualization.batikutil.CSSHoverClass used on opensource projects

Example 1 with CSSHoverClass

use of de.lmu.ifi.dbs.elki.visualization.batikutil.CSSHoverClass in project elki by elki-project.

the class OverviewPlot method initializePlot.

/**
 * Initialize the SVG plot.
 */
private void initializePlot() {
    plot = new VisualizationPlot();
    {
        // Add a background element:
        CSSClass cls = new CSSClass(this, "background");
        final String bgcol = context.getStyleLibrary().getBackgroundColor(StyleLibrary.PAGE);
        cls.setStatement(SVGConstants.CSS_FILL_PROPERTY, bgcol);
        plot.addCSSClassOrLogError(cls);
        Element background = plot.svgElement(SVGConstants.SVG_RECT_TAG);
        background.setAttribute(SVGConstants.SVG_X_ATTRIBUTE, "0");
        background.setAttribute(SVGConstants.SVG_Y_ATTRIBUTE, "0");
        background.setAttribute(SVGConstants.SVG_WIDTH_ATTRIBUTE, "100%");
        background.setAttribute(SVGConstants.SVG_HEIGHT_ATTRIBUTE, "100%");
        SVGUtil.setCSSClass(background, cls.getName());
        // Don't export a white background:
        if ("white".equals(bgcol)) {
            background.setAttribute(SVGPlot.NO_EXPORT_ATTRIBUTE, SVGPlot.NO_EXPORT_ATTRIBUTE);
        }
        plot.getRoot().appendChild(background);
    }
    {
        // setup the hover CSS classes.
        selcss = new CSSClass(this, "s");
        if (DEBUG_LAYOUT) {
            selcss.setStatement(SVGConstants.CSS_STROKE_PROPERTY, SVGConstants.CSS_RED_VALUE);
            selcss.setStatement(SVGConstants.CSS_STROKE_WIDTH_PROPERTY, .00001 * StyleLibrary.SCALE);
            selcss.setStatement(SVGConstants.CSS_STROKE_OPACITY_PROPERTY, "0.5");
        }
        selcss.setStatement(SVGConstants.CSS_FILL_PROPERTY, SVGConstants.CSS_RED_VALUE);
        selcss.setStatement(SVGConstants.CSS_FILL_OPACITY_PROPERTY, "0");
        selcss.setStatement(SVGConstants.CSS_CURSOR_PROPERTY, SVGConstants.CSS_POINTER_VALUE);
        plot.addCSSClassOrLogError(selcss);
        CSSClass hovcss = new CSSClass(this, "h");
        hovcss.setStatement(SVGConstants.CSS_FILL_OPACITY_PROPERTY, "0.25");
        plot.addCSSClassOrLogError(hovcss);
        // Hover listener.
        hoverer = new CSSHoverClass(hovcss.getName(), null, true);
    }
    // Disable Batik default interactions (zoom, rotate, etc.)
    if (single) {
        plot.setDisableInteractions(true);
    }
    SVGEffects.addShadowFilter(plot);
    SVGEffects.addLightGradient(plot);
}