package org.jboss.as.console.client.shared.help;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.event.logical.shared.OpenEvent;
import com.google.gwt.event.logical.shared.OpenHandler;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.DisclosurePanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Widget;
import org.jboss.as.console.client.Console;
import org.jboss.as.console.client.shared.runtime.charts.Column;
import org.jboss.as.console.client.widgets.nav.AriaLink;
import java.util.List;
/**
* Displays descriptions for metric items.
*
* @author Heiko Braun
* @date 6/8/11
*/
public class MetricHelpPanel {
private DisclosurePanel helpPanel;
private boolean hasBeenBuild;
private Column[] columns;
private boolean isAligned = false;
private HelpSystem.AddressCallback addressCallback;
public MetricHelpPanel(HelpSystem.AddressCallback address, Column[] columns) {
this.addressCallback = address;
this.columns = columns;
}
public void setAligned(boolean b)
{
this.isAligned = b;
}
public Widget asWidget()
{
AriaLink header = new AriaLink (Console.CONSTANTS.help_need_help());
header.addStyleName("help-panel-header");
header.getElement().setAttribute("style" , "padding-top:5px;");
header.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent clickEvent) {
helpPanel.setOpen(!helpPanel.isOpen());
}
});
helpPanel = new DisclosurePanel(header);
helpPanel.addStyleName( isAligned ? "help-panel-aligned" : "help-panel");
final String popupStyle = isAligned ? "help-panel-aligned-open" : "help-panel-open";
helpPanel.addOpenHandler(new OpenHandler<DisclosurePanel>() {
@Override
public void onOpen(OpenEvent<DisclosurePanel> event) {
event.getTarget().addStyleName(popupStyle);
helpPanel.getHeaderTextAccessor().setText(Console.CONSTANTS.help_close_help());
buildAttributeHelp();
}
});
helpPanel.addCloseHandler(new CloseHandler<DisclosurePanel>() {
@Override
public void onClose(CloseEvent<DisclosurePanel> event) {
event.getTarget().removeStyleName(popupStyle);
helpPanel.getHeaderTextAccessor().setText(Console.CONSTANTS.help_need_help());
}
});
return helpPanel;
}
private void buildAttributeHelp() {
if(!hasBeenBuild)
{
Console.getHelpSystem().getMetricDescriptions(
addressCallback, columns, new AsyncCallback<List<FieldDesc>>() {
@Override
public void onSuccess(List<FieldDesc> result) {
helpPanel.clear();
final SafeHtmlBuilder html = new SafeHtmlBuilder();
html.appendHtmlConstant("<table class='help-attribute-descriptions'>");
for(FieldDesc field : result)
{
html.appendHtmlConstant("<tr class='help-field-row'>");
html.appendHtmlConstant("<td class='help-field-name'>");
// TODO resolve title
html.appendEscaped(field.getRef()).appendEscaped(": ");
html.appendHtmlConstant("</td>");
html.appendHtmlConstant("<td class='help-field-desc'>");
try {
html.appendHtmlConstant(field.getDesc());
} catch (Throwable e) {
// ignore parse errors
html.appendHtmlConstant("<i>Failed to parse description</i>");
}
html.appendHtmlConstant("</td>");
html.appendHtmlConstant("</tr>");
}
html.appendHtmlConstant("</table>");
helpPanel.add(new HTML(html.toSafeHtml()));
hasBeenBuild = true;
}
@Override
public void onFailure(Throwable caught) {
//Console.error("Failed to retrieve attribute description", caught.getMessage());
helpPanel.clear();
helpPanel.add(new HTML("<ul><li>Failed to retrieve metric descriptions.</li></ul>"));
}
});
}
}
}