Allow to hide linkstructure graphic in crawl monitor

using/setting the config param DECORATION_GRAFICS_LINKSTRUCTURE

htroot/Crawler_p.html

@@ -219,6 +219,8 @@ window.setInterval("setTableSize()", 1000);
 #(crawlProfilesShow)#::
 <fieldset>
     <legend>Running Crawls (#[count]#)</legend> 
+<table width="96%">
+<tr><td>
   <table border="0" summary="A list of crawl profiles and their current settings.">
     <colgroup>
     <col width="16" />
@@ -244,11 +246,22 @@ window.setInterval("setTableSize()", 1000);
     </tr>
     #{/list}# 
   </table>
-#(linkstructure)#::
+</td>
+#(linkstructure)#
+<td>
+  <form style="float:right;" action="Crawler_p.html"><input type="submit" name="showwebstructuregraph" class="btn btn-default btn-xs" value="show link structure"/><form>
+</td></tr></table>
+::
+<td>
+  <form style="float:right;" action="Crawler_p.html"><input type="submit" name="hidewebstructuregraph" class="btn btn-default btn-xs" value="hide graphic"/><form>
+</td></tr></table>
 <script src="/js/d3.v3.min.js"></script>
 <script src="/js/hypertree.js"></script>
 <div id="linkstructure"></div>
 <script>$(document).ready(linkstructure("#[hosts]#", "#linkstructure", 1280, 720, 3000, 700));</script>::
+<td>
+  <form style="float:right;" action="Crawler_p.html"><input type="submit" name="hidewebstructuregraph" class="btn btn-default btn-xs" value="hide graphic"/><form>
+</td></tr></table>
 <script type="text/javascript">
     imagestub = "WebStructurePicture_p.png?host=#[hosts]#&depth=4&width=1024&height=512&nodes=600&time=1000&colortext=888888&colorback=FFFFFF&colordot0=1111BB&colordota=11BB11&colorline=222222&colorlineend=333333";
     idx = 0;

htroot/Crawler_p.java

@@ -675,6 +675,10 @@ public class Crawler_p {
 
         prop.put("crawlProfilesShow_linkstructure", 0);
 
+        if (post != null) { // handle config button to display graphic
+            if (post.get("hidewebstructuregraph") != null) sb.setConfig(SwitchboardConstants.DECORATION_GRAFICS_LINKSTRUCTURE, false);
+            if (post.get("showwebstructuregraph") != null) sb.setConfig(SwitchboardConstants.DECORATION_GRAFICS_LINKSTRUCTURE, true);
+        }
         if (count > 0 && sb.getConfigBool(SwitchboardConstants.DECORATION_GRAFICS_LINKSTRUCTURE, true)) {
             // collect the host names for 'wide' crawls which can be visualized
             boolean showLinkstructure = hosts.length() > 0 && !hosts.contains("file:");

htroot/HostBrowser.html

@@ -181,7 +181,7 @@ function updatepage(str) {
       </table>
     </fieldset>
     
-    #(linkgraph)#::
+    #(linkgraph)#<div align="center"><form><input name="showlinkstructure" onClick="location.href = location.toString() + '&showlinkstructure=';" class="btn btn-default btn-xs" value="show link structure graph"/></form></div>::
     <script src="/js/d3.v3.min.js"></script>
     <script src="/js/hypertree.js"></script>
     <div id="linkstructure"></div>

htroot/HostBrowser.java

@@ -568,6 +568,9 @@ public class HostBrowser {
                 prop.put("files_subpathdetectedsize", filecounter - storedDocs.size());
                 prop.put("files", 1);
                 uri = new DigestURL(path);
+                if (post.containsKey("showlinkstructure")) {
+                    sb.setConfig(SwitchboardConstants.DECORATION_GRAFICS_LINKSTRUCTURE, true);
+                }
                 prop.put("files_linkgraph", uri.getPath().length() <= 1 && hostsize > 0 && sb.getConfigBool(SwitchboardConstants.DECORATION_GRAFICS_LINKSTRUCTURE, true));
                 prop.put("files_linkgraph_host", uri.getHost());