Mercurial > hg > AnnotationManagerN4J

diff src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/AnnotationsResource.java @ 101:7268c3ca025b

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make admin ui view of all annotations scale better.
author casties
date Fri, 13 Feb 2015 18:10:11 +0100
parents 199143c669e4
children
line wrap: on
line diff
--- a/src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/AnnotationsResource.java	Wed Feb 11 20:02:56 2015 +0100
+++ b/src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/AnnotationsResource.java	Fri Feb 13 18:10:11 2015 +0100
@@ -28,6 +28,7 @@
 import java.util.List;
 import java.util.logging.Logger;
 
+import org.restlet.data.Form;
 import org.restlet.data.MediaType;
 import org.restlet.data.Reference;
 import org.restlet.representation.Representation;
@@ -38,6 +39,7 @@
 
 import de.mpiwg.itgroup.annotations.Annotation;
 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore;
+import de.mpiwg.itgroup.annotations.restlet.AnnotatorResourceImpl;
 import de.mpiwg.itgroup.annotations.restlet.BaseRestlet;
 
 /**
@@ -69,20 +71,36 @@
      */
     @Get("html")
     public Representation doGetHTML(Representation entity) {
-        String result = null;
+        Form form = getRequest().getResourceRef().getQueryAsForm();
+        int limit = AnnotatorResourceImpl.getInt(form.getFirstValue("limit", "100"));
+        int offset = AnnotatorResourceImpl.getInt(form.getFirstValue("offset", "0"));
+        int max = offset + limit;
+        int numannots = store.getAnnotationCount();
+        String baseUrl = this.getReference().getHierarchicalPart();
+        StringBuilder result = null;
         // list all annotations
-        result = "<html><body>\n<h1>Annotations</h1>\n<table>";
-        result += "<tr><th>uri</th><th>text</th><th>target</th><th>fragment</th><th>creator</th></tr>";
-        List<Annotation> annotations = store.getAnnotations("id", "*");
+        result = new StringBuilder("<html><body>\n<h1>Annotations</h1>\n");
+        result.append("<p>");
+        if (offset > 0) {
+            result.append(String.format(" <a href=\"%s?offset=%s&limit=%s\">prev</a> ", baseUrl, Math.max(offset - limit, 0), limit));
+        }
+        result.append(String.format("| %s - %s of %s annotations |", offset, (offset + limit), numannots));
+        if (max < numannots) {
+            result.append(String.format(" <a href=\"%s?offset=%s&limit=%s\">next</a>", baseUrl, Math.min(max, numannots), limit));
+        }
+        result.append("</p>\n");
+        result.append("<table>");
+        result.append("<tr><th>uri</th><th>text</th><th>target</th><th>fragment</th><th>creator</th></tr>");
+        List<Annotation> annotations = store.getAnnotations("id", "*", limit, offset);
         for (Annotation annotation : annotations) {
             Reference url = this.getReference().clone();
             url.addSegment(annotation.getUrlId());
-            result += String.format("<tr><td><a href=\"%s\">%s</a></td><td>%s</td><td><a href=\"%s\">%s</a></td><td>%s</td><td>%s</td></tr>\n", url,
+            result.append(String.format("<tr><td><a href=\"%s\">%s</a></td><td>%s</td><td><a href=\"%s\">%s</a></td><td>%s</td><td>%s</td></tr>\n", url,
                     annotation.getUri(), annotation.getBodyText(), annotation.getTargetBaseUri(), annotation.getTargetBaseUri(), 
-                    annotation.getTargetFragment(), annotation.getCreatorName());
+                    annotation.getTargetFragment(), annotation.getCreatorName()));
         }
-        result += "</table>\n";
-        result += "</body>\n</html>";
+        result.append("</table>\n");
+        result.append("</body>\n</html>");
         return new StringRepresentation(result, MediaType.TEXT_HTML);
     }