/** {@inheritDoc} */
public EList<Widget> renderWidget(Widget w, StringBuilder sb) throws RenderException {
Chart chart = (Chart) w;
if (chart.getService() != null && !chart.getService().equals("rrd4j")) {
logger.warn(
"Chart service '{}' is not supported by the Classic UI, using rrd4j as fallback instead.");
}
try {
String itemParam = null;
Item item = itemUIRegistry.getItem(chart.getItem());
if (item instanceof GroupItem) {
itemParam = "groups=" + chart.getItem();
} else {
itemParam = "items=" + chart.getItem();
}
String url = "/rrdchart.png?" + itemParam + "&period=" + chart.getPeriod() + "&random=1";
String snippet = getSnippet("image");
if (chart.getRefresh() > 0) {
snippet =
StringUtils.replace(
snippet,
"%setrefresh%",
"<script type=\"text/javascript\">imagesToRefreshOnPage=1</script>");
snippet =
StringUtils.replace(
snippet,
"%refresh%",
"id=\"%id%\" onload=\"setTimeout('reloadImage(\\'%url%\\', \\'%id%\\')', "
+ chart.getRefresh()
+ ")\"");
} else {
snippet = StringUtils.replace(snippet, "%setrefresh%", "");
snippet = StringUtils.replace(snippet, "%refresh%", "");
}
snippet = StringUtils.replace(snippet, "%id%", itemUIRegistry.getWidgetId(w));
snippet = StringUtils.replace(snippet, "%url%", url);
snippet = StringUtils.replace(snippet, "%refresh%", Integer.toString(chart.getRefresh()));
sb.append(snippet);
} catch (ItemNotFoundException e) {
logger.warn("Chart cannot be rendered as item '{}' does not exist.", chart.getItem());
}
return null;
}
private static WidgetBean createWidgetBean(
String sitemapName, Widget widget, boolean drillDown, URI uri, String widgetId) {
ItemUIRegistry itemUIRegistry = RESTApplication.getItemUIRegistry();
// Test visibility
if (itemUIRegistry.getVisiblity(widget) == false) return null;
WidgetBean bean = new WidgetBean();
if (widget.getItem() != null) {
Item item = ItemResource.getItem(widget.getItem());
if (item != null) {
bean.item =
ItemResource.createItemBean(
item, false, UriBuilder.fromUri(uri).build().toASCIIString());
}
}
bean.widgetId = widgetId;
bean.icon = itemUIRegistry.getIcon(widget);
bean.labelcolor = itemUIRegistry.getLabelColor(widget);
bean.valuecolor = itemUIRegistry.getValueColor(widget);
bean.label = itemUIRegistry.getLabel(widget);
bean.type = widget.eClass().getName();
if (widget instanceof LinkableWidget) {
LinkableWidget linkableWidget = (LinkableWidget) widget;
EList<Widget> children = itemUIRegistry.getChildren(linkableWidget);
if (widget instanceof Frame) {
int cntWidget = 0;
for (Widget child : children) {
widgetId += "_" + cntWidget;
WidgetBean subWidget = createWidgetBean(sitemapName, child, drillDown, uri, widgetId);
if (subWidget != null) {
bean.widgets.add(subWidget);
cntWidget++;
}
}
} else if (children.size() > 0) {
String pageName = itemUIRegistry.getWidgetId(linkableWidget);
bean.linkedPage =
createPageBean(
sitemapName,
itemUIRegistry.getLabel(widget),
itemUIRegistry.getIcon(widget),
pageName,
drillDown ? children : null,
drillDown,
isLeaf(children),
uri);
}
}
if (widget instanceof Switch) {
Switch switchWidget = (Switch) widget;
for (Mapping mapping : switchWidget.getMappings()) {
MappingBean mappingBean = new MappingBean();
// Remove quotes - if they exist
if (mapping.getCmd() != null) {
if (mapping.getCmd().startsWith("\"") && mapping.getCmd().endsWith("\"")) {
mappingBean.command = mapping.getCmd().substring(1, mapping.getCmd().length() - 1);
} else {
mappingBean.command = mapping.getCmd();
}
} else {
mappingBean.command = mapping.getCmd();
}
mappingBean.label = mapping.getLabel();
bean.mappings.add(mappingBean);
}
}
if (widget instanceof Selection) {
Selection selectionWidget = (Selection) widget;
for (Mapping mapping : selectionWidget.getMappings()) {
MappingBean mappingBean = new MappingBean();
// Remove quotes - if they exist
if (mapping.getCmd() != null) {
if (mapping.getCmd().startsWith("\"") && mapping.getCmd().endsWith("\"")) {
mappingBean.command = mapping.getCmd().substring(1, mapping.getCmd().length() - 1);
} else {
mappingBean.command = mapping.getCmd();
}
} else {
mappingBean.command = mapping.getCmd();
}
mappingBean.label = mapping.getLabel();
bean.mappings.add(mappingBean);
}
}
if (widget instanceof Slider) {
Slider sliderWidget = (Slider) widget;
bean.sendFrequency = sliderWidget.getFrequency();
bean.switchSupport = sliderWidget.isSwitchEnabled();
}
if (widget instanceof List) {
List listWidget = (List) widget;
bean.separator = listWidget.getSeparator();
}
if (widget instanceof Image) {
Image imageWidget = (Image) widget;
String wId = itemUIRegistry.getWidgetId(widget);
if (uri.getPort() < 0 || uri.getPort() == 80) {
bean.url =
uri.getScheme()
+ "://"
+ uri.getHost()
+ "/proxy?sitemap="
+ sitemapName
+ ".sitemap&widgetId="
+ wId;
} else {
bean.url =
uri.getScheme()
+ "://"
+ uri.getHost()
+ ":"
+ uri.getPort()
+ "/proxy?sitemap="
+ sitemapName
+ ".sitemap&widgetId="
+ wId;
}
if (imageWidget.getRefresh() > 0) {
bean.refresh = imageWidget.getRefresh();
}
}
if (widget instanceof Video) {
Video videoWidget = (Video) widget;
String wId = itemUIRegistry.getWidgetId(widget);
if (videoWidget.getEncoding() != null) {
bean.encoding = videoWidget.getEncoding();
}
if (uri.getPort() < 0 || uri.getPort() == 80) {
bean.url =
uri.getScheme()
+ "://"
+ uri.getHost()
+ "/proxy?sitemap="
+ sitemapName
+ ".sitemap&widgetId="
+ wId;
} else {
bean.url =
uri.getScheme()
+ "://"
+ uri.getHost()
+ ":"
+ uri.getPort()
+ "/proxy?sitemap="
+ sitemapName
+ ".sitemap&widgetId="
+ wId;
}
}
if (widget instanceof Webview) {
Webview webViewWidget = (Webview) widget;
bean.url = webViewWidget.getUrl();
bean.height = webViewWidget.getHeight();
}
if (widget instanceof Chart) {
Chart chartWidget = (Chart) widget;
bean.service = chartWidget.getService();
bean.period = chartWidget.getPeriod();
if (chartWidget.getRefresh() > 0) {
bean.refresh = chartWidget.getRefresh();
}
}
if (widget instanceof Setpoint) {
Setpoint setpointWidget = (Setpoint) widget;
bean.minValue = setpointWidget.getMinValue();
bean.maxValue = setpointWidget.getMaxValue();
bean.step = setpointWidget.getStep();
}
return bean;
}