* index deletion: checkbox-confirmation

* watch crawler: less load on exhausted peers; wait for data before reloading again

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5359 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/IndexControlRWIs_p.html

@@ -29,8 +29,8 @@
     <form action="IndexControlRWIs_p.html" method="post" enctype="multipart/form-data">
     <fieldset><legend>Cleanup</legend>
       <dl>
-        <dt class="TableCellDark">Index Deletion<br />(deletes all words and all urls)</dt>
-        <dd><input type="submit" name="deletecomplete" value="Delete index" onclick="return confirm('Confirm: You want to delete the complete index?')"/>
+        <dt class="TableCellDark"><input type="checkbox" name="confirmDelete"/> Index Deletion<br />(deletes all words and all urls)</dt>
+        <dd><input type="submit" name="deletecomplete" value="Delete index"/>
         </dd>
       </dl>
     </fieldset>

htroot/IndexControlRWIs_p.java

@@ -106,7 +106,7 @@ public class IndexControlRWIs_p {
             }
             
             // delete everything
-            if (post.containsKey("deletecomplete")) {
+            if (post.containsKey("deletecomplete") && post.containsKey("confirmDelete")) {
                 sb.webIndex.clear();
                 sb.crawlQueues.clear();
                 try {

htroot/js/WatchCrawler.js

@@ -9,6 +9,8 @@ var queuesRPC;
 var refreshInterval=5;
 var wait=0;
 var changing=false; //change the interval
+var statusLoaded=true;
+var queueLoaded=true;
 
 refresh();
 //loadInterval=window.setInterval("refresh()", refreshInterval*1000);
@@ -31,14 +33,18 @@ function newInterval(){
 	changing=false;
 }
 function countdown(){
-	document.getElementById("nextUpdate").value=wait;
-	wait--;
-	if(wait==0){
-		refresh();
+	if(statusLoaded && queueLoaded){
+		document.getElementById("nextUpdate").value=wait;
+		wait--;
+		if(wait==0){
+			refresh();
+		}
 	}
 }
 function refresh(){
 	wait=refreshInterval;
+	statusLoaded=false;
+	queueLoaded=false;
 	requestStatus();
 	requestQueues();
 }
@@ -108,6 +114,7 @@ function handleStatus(){
 		img.setAttribute("src", BAR_IMG1);
 		wordCacheSpan.appendChild(img);
 	}
+	statusLoaded=true;
 }
 
 function handleQueues(){
@@ -166,6 +173,7 @@ function handleQueues(){
 		putQueueState("remotecrawler", remotecrawlerqueue_state);
 		updateTable(remotecrawlerqueue, "remote crawler");
 	}
+	queueLoaded=true;
 }
 
 function putQueueState(queue, state) {