org.primefaces.component.chart.renderer.BasePlotRenderer Maven / Gradle / Ivy
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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
/**
* Copyright 2009-2018 PrimeTek.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.primefaces.component.chart.renderer;
import java.io.IOException;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.chart.Chart;
import org.primefaces.model.chart.ChartModel;
import org.primefaces.model.chart.LegendPlacement;
import org.primefaces.util.ComponentUtils;
public abstract class BasePlotRenderer {
public void render(FacesContext context, Chart chart) throws IOException {
encodeData(context, chart);
encodeOptions(context, chart);
}
protected abstract void encodeData(FacesContext context, Chart chart) throws IOException;
protected void encodeOptions(FacesContext context, Chart chart) throws IOException {
ResponseWriter writer = context.getResponseWriter();
ChartModel model = chart.getModel();
String legendPosition = model.getLegendPosition();
String title = model.getTitle();
String seriesColors = model.getSeriesColors();
String negativeSeriesColors = model.getNegativeSeriesColors();
String extender = model.getExtender();
if (title != null) {
writer.write(",title:\"" + ComponentUtils.escapeText(title) + "\"");
}
if (!model.isShadow()) {
writer.write(",shadow:false");
}
if (seriesColors != null) {
writer.write(",seriesColors:[\"#" + seriesColors.replaceAll("[ ]*,[ ]*", "\",\"#") + "\"]");
}
if (negativeSeriesColors != null) {
writer.write(",negativeSeriesColors:[\"#" + negativeSeriesColors.replaceAll("[ ]*,[ ]*", "\",\"#") + "\"]");
}
if (legendPosition != null) {
LegendPlacement legendPlacement = model.getLegendPlacement();
writer.write(",legendPosition:\"" + legendPosition + "\"");
if (model.getLegendCols() != 0) {
writer.write(",legendCols:" + model.getLegendCols());
}
if (model.getLegendRows() != 0) {
writer.write(",legendRows:" + model.getLegendRows());
}
if (legendPlacement != null) {
writer.write(",legendPlacement:\"" + legendPlacement + "\"");
}
if (model.isLegendEscapeHtml()) {
writer.write(",escapeHtml:true");
}
}
if (!model.isMouseoverHighlight()) {
writer.write(",highlightMouseOver:" + false);
}
if (extender != null) {
writer.write(",extender:" + extender);
}
if (!model.isResetAxesOnResize()) {
writer.write(",resetAxesOnResize:" + false);
}
writer.write(",dataRenderMode:\"" + model.getDataRenderMode() + "\"");
}
protected String escapeChartData(Object value) {
// default to "null" if null
String result = String.valueOf(value);
// do NOT quote numbers but quote all other objects
if (value instanceof Number == false) {
result = "\"" + ComponentUtils.escapeText(result) + "\"";
}
return result;
}
}