Examples with ChartEntity org.jfree.chart.entity.ChartEntity used on opensource projects

Example 6 with ChartEntity

use of org.jfree.chart.entity.ChartEntity in project processdash by dtuma.

the class CGIChartBase method writeImageHtml.

private void writeImageHtml(int width, int height, int imgID, ChartRenderingInfo info) throws IOException {
    String tooltip = getParameter("tooltip");
    if (!StringUtils.hasValue(tooltip))
        tooltip = resources.getHTML("More_Detail_Here_Instruction");
    String href = getParameter("href");
    if (StringUtils.hasValue(href)) {
        // create a copy of the entity collection, and place an entity for
        // the entire chart at the beginning of the list.  This will
        // make it appear last in the image map (which is important,
        // because browsers process the image map areas in the order that
        // they appear; having the entire chart area listed first would
        // obscure all of the other image map areas).
        EntityCollection entities = new StandardEntityCollection();
        entities.add(new ChartEntity(info.getChartArea(), tooltip, href));
        if (info.getEntityCollection() != null)
            entities.addAll(info.getEntityCollection());
        // area in the chart.
        for (Iterator i = entities.iterator(); i.hasNext(); ) {
            ChartEntity ce = (ChartEntity) i.next();
            // image map anyway, so they don't need to be adjusted
            if (ce.getToolTipText() == null && ce.getURLText() == null)
                continue;
            // for other entities, add a tooltip and a URL as needed.
            if (!StringUtils.hasValue(ce.getToolTipText()))
                ce.setToolTipText(tooltip);
            if (!StringUtils.hasValue(ce.getURLText()))
                ce.setURLText(href);
        }
        // install our modified version of the entity collection into
        // the chart info object, so it will be used when generating
        // the image map later.
        info.setEntityCollection(entities);
    }
    // write the image tag
    out.write("<img width=\"" + width + "\" height=\"" + height + "\" src=\"/reports/pngCache?id=" + imgID + "\" usemap=\"#IMG" + imgID + '"');
    // have a URL we're pointing to.  Turn that border off.
    if (!StringUtils.hasValue(href) || parameters.containsKey("noBorder"))
        out.write(" border=\"0\"");
    // starting with the prefix "img", and copy them into the tag.
    for (Iterator i = parameters.entrySet().iterator(); i.hasNext(); ) {
        Map.Entry e = (Map.Entry) i.next();
        String attrName = (String) e.getKey();
        if (attrName.startsWith("img") && !attrName.endsWith("_ALL")) {
            out.write(" " + attrName.substring(3) + "=\"");
            out.write(HTMLUtils.escapeEntities(e.getValue().toString()));
            out.write('"');
        }
    }
    out.write(">");
    // finally, write the image map.  Note that we have to strip line
    // break characters from the resulting HTML, otherwise firefox seems
    // to decide that the <map> tag actually takes up space on the page
    String imageMapHtml = ImageMapUtilities.getImageMap("IMG" + imgID, info, getToolTipGenerator(tooltip), new StandardURLTagFragmentGenerator());
    for (int i = 0; i < imageMapHtml.length(); i++) {
        char c = imageMapHtml.charAt(i);
        if (c != '\r' && c != '\n')
            out.write(c);
    }
    out.flush();
}

Example 7 with ChartEntity

use of org.jfree.chart.entity.ChartEntity in project adempiere by adempiere.

the class Graph method getGraphColumn.

//	setY_TargetLabel
/**
	 * Get BarGraphColumn for ChartEntity
	 * @param event
	 * @return BarGraphColumn or null if not found
	 */
private GraphColumn getGraphColumn(ChartMouseEvent event) {
    ChartEntity entity = event.getEntity();
    String key = null;
    if (entity instanceof CategoryItemEntity) {
        Comparable<?> colKey = ((CategoryItemEntity) entity).getColumnKey();
        if (colKey != null) {
            key = colKey.toString();
        }
    } else if (entity instanceof PieSectionEntity) {
        Comparable<?> sectionKey = ((PieSectionEntity) entity).getSectionKey();
        if (sectionKey != null) {
            key = sectionKey.toString();
        }
    }
    if (key == null) {
        return null;
    }
    for (int i = 0; i < list.size(); i++) {
        final String label = list.get(i).getLabel();
        if (key.equals(label)) {
            return list.get(i);
        }
    }
    //
    return null;
}