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1
16
17 package org.pentaho.ui.portlet;
18
19 import java.io.IOException  ;
20 import java.util.ArrayList ;
21 import javax.portlet.ActionRequest;
22 import javax.portlet.ActionResponse;
23 import javax.portlet.PortletException;
24 import javax.portlet.RenderRequest;
25 import javax.portlet.RenderResponse;
26 import org.apache.commons.logging.Log;
27 import org.apache.commons.logging.LogFactory;
28 import org.pentaho.core.util.UIUtil;
29 import org.pentaho.messages.Messages;
30 import org.pentaho.ui.component.WidgetGridComponent;
31
32 public class WidgetGridPortlet extends ViewPortlet {
33
34 private String WIDGET = "widget";
36 private String WIDGETGRID = "widget-grid";
38 private static final Log portletLogger = LogFactory.getLog(WidgetGridPortlet.class);
39
40 public Log getLogger() {
41 return portletLogger;
42 }
43
44 public void processPortletAction(ActionRequest request, ActionResponse response, PentahoPortletSession userSession) throws PortletException, IOException {
45
46 }
47
48 public void doPortletView(RenderRequest request, RenderResponse response, PentahoPortletSession userSession) throws PortletException, IOException {
49
50 response.setContentType("text/html");
52 PortletUrlFactory urlFactory = new PortletUrlFactory(response, request.getWindowState(), request.getPortletMode());
53
54 PortletRequestParameterProvider requestParameters = new PortletRequestParameterProvider(request);
55 PortletSessionParameterProvider sessionParameters = new PortletSessionParameterProvider(userSession);
56
57 String widgetDefinition = getSetting(WIDGET, null, request, requestParameters);
58 String widgetGridDataDefinition = getSetting(WIDGETGRID, null, request, requestParameters);
59
60 if (widgetDefinition == null) {
61 response.getWriter().print(Messages.getString("Widget.USER_WIDGET_NOT_SPECIFIED")); return;
63 }
64
65 String urlDrillTemplate = getSetting("drill-url", null, request, null); ArrayList messages = new ArrayList ();
67 WidgetGridComponent widget = null;
68 try {
69 widget = new WidgetGridComponent(widgetDefinition, urlFactory, messages);
70 widget.validate(userSession, null);
71 widget.setDataAction(widgetGridDataDefinition);
72 widget.setDrillUrlTemplate(urlDrillTemplate);
73
74 widget.setParameterProvider("request", requestParameters); widget.setParameterProvider("session", sessionParameters);
77 String content = widget.getContent("text/html");
79 if (content == null) {
80 StringBuffer buffer = new StringBuffer ();
81 UIUtil.formatErrorMessage("text/html", Messages.getString("Widget.ERROR_0001_COULD_NOT_CREATE_WIDGET"), messages, buffer); content = buffer.toString();
83 }
84 if (content == null || content.equals("")) { content = " "; }
87 response.getWriter().print(content);
88 } finally {
89 if (widget != null)
90 widget.dispose();
91 }
92 }
93 }
94 |
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