--- loncom/interface/lonmsg.pm	2005/06/06 21:06:14	1.148
+++ loncom/interface/lonmsg.pm	2005/11/01 15:59:18	1.153
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines for messaging
 #
-# $Id: lonmsg.pm,v 1.148 2005/06/06 21:06:14 www Exp $
+# $Id: lonmsg.pm,v 1.153 2005/11/01 15:59:18 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -114,6 +114,7 @@ use HTML::Entities();
 use Mail::Send;
 use Apache::lonlocal;
 use Apache::loncommunicate;
+use Apache::lonfeedback;
 
 # Querystring component with sorting type
 my $sqs;
@@ -337,7 +338,20 @@ sub del_url_author_res_msg {
     }
     return &Apache::lonnet::del('nohist_res_msgs',\@delmsgs,$domain,$author);
 }
+# =================================== Clear out all author messages in URL path
 
+sub clear_author_res_msg {
+    my $url=shift;
+    $url=&Apache::lonnet::declutter($url);
+    my ($domain,$author)=($url=~/^(\w+)\/(\w+)\//);
+    my @delmsgs=();
+    foreach (&Apache::lonnet::getkeys('nohist_res_msgs',$domain,$author)) {
+	if ($_=~/^\Q$url\E/) {
+	    push (@delmsgs,$_);
+	}
+    }
+    return &Apache::lonnet::del('nohist_res_msgs',\@delmsgs,$domain,$author);
+}
 # ================= Return hash with URLs for which there is a resource message
 
 sub all_url_author_res_msg {
@@ -564,13 +578,14 @@ sub scrollbuttons {
     my ($start,$maxdis,$first,$finish,$total)=@_;
     unless ($total>0) { return ''; }
     $start++; $maxdis++;$first++;$finish++;
-    return 
+    return
+   &mt('Page').': '. 
    '<input type="submit" name="firstview" value="'.&mt('First').'" />'.
    '<input type="submit" name="prevview" value="'.&mt('Previous').'" />'.
    '<input type="text" size="5" name="startdis" value="'.$start.'" onChange="this.form.submit()" /> of '.$maxdis.
    '<input type="submit" name="nextview" value="'.&mt('Next').'" />'.
    '<input type="submit" name="lastview" value="'.&mt('Last').'" /><br />'.
-   &mt('Messages [_1] through [_2] of [_3]',$first,$finish,$total).'</form>';
+   &mt('Showing messages [_1] through [_2] of [_3]',$first,$finish,$total).'</form>';
 }
 
 # =============================================================== Folder suffix
@@ -872,7 +887,8 @@ sub disnew {
 TABLEHEAD
         foreach my $msg (@newmsgs) {
             $r->print(<<"ENDLINK");
-<tr bgcolor="#FFBB77">
+<tr class="new" bgcolor="#FFBB77" onMouseOver="javascript:style.backgroundColor='#DD9955'" 
+onMouseOut="javascript:style.backgroundColor='#FFBB77'">
 <td><a href="/adm/email?dismode=new&display=$msg->{'msgid'}">$lt{'op'}</a></td>
 ENDLINK
             foreach ('sendtime','from','fromdom','shortsub') {
@@ -999,13 +1015,13 @@ ENDDISHEADER
 	my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$origID)= @{$temp[$n]};
 	if (($status ne 'deleted') && defined($sendtime) && $sendtime!~/error/) {
 	    if ($status eq 'new') {
-		$r->print('<tr bgcolor="#FFBB77">');
+		$r->print('<tr bgcolor="#FFBB77" onMouseOver="javascript:style.backgroundColor=\'#DD9955\'"  onMouseOut="javascript:style.backgroundColor=\'#FFBB77\'">');
 	    } elsif ($status eq 'read') {
-		$r->print('<tr bgcolor="#BBBB77">');
+		$r->print('<tr bgcolor="#BBBB77" onMouseOver="javascript:style.backgroundColor=\'#999944\'"  onMouseOut="javascript:style.backgroundColor=\'#BBBB77\'">');
 	    } elsif ($status eq 'replied') {
-		$r->print('<tr bgcolor="#AAAA88">'); 
+		$r->print('<tr bgcolor="#AAAA88" onMouseOver="javascript:style.backgroundColor=\'#888855\'"  onMouseOut="javascript:style.backgroundColor=\'#AAAA88\'">'); 
 	    } else {
-		$r->print('<tr bgcolor="#99BBBB">');
+		$r->print('<tr bgcolor="#99BBBB" onMouseOver="javascript:style.backgroundColor=\'#669999\'"  onMouseOut="javascript:style.backgroundColor=\'#99BBBB\'">');
 	    }
 	    $r->print('<td><input type="checkbox" name="delmark_'.$origID.'" /></td><td><a href="/adm/email?display='.$origID.$sqs. 
 		      '">'.&mt('Open').'</a></td><td>'.
@@ -1218,6 +1234,7 @@ ENDUPLOAD
        &discourse;
     }
     $r->print('</form>'.
+	      &Apache::lonfeedback::generate_preview_button('compemail','message').
 	      &Apache::lonhtmlcommon::htmlareaselectactive('message'));
 }
 
@@ -1795,16 +1812,14 @@ sub displaymessage {
     $r->print('</tr></table>');
     if ($env{'user.adv'}) {
 	$r->print('<table border="2" width="100%"><tr bgcolor="#FFAAAA"><td>'.&mt('Currently available actions (will open extra window)').':</td>');
-	      
+	my $symb=&Apache::lonnet::symbread($content{'baseurl'});      
 	if (&Apache::lonnet::allowed('vgr',$env{'request.course.id'})) {
 		$r->print('<td><b>'.&Apache::loncommon::track_student_link(&mt('View recent activity'),$content{'sendername'},$content{'senderdomain'},'check').'</b></td>');
 	    }
-	if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
-	    my $symb=&Apache::lonnet::symbread($content{'baseurl'});
+	if (&Apache::lonnet::allowed('opa',$env{'request.course.id'}) && $symb) {
 	    $r->print('<td><b>'.&Apache::loncommon::pprmlink(&mt('Set/Change parameters'),$content{'sendername'},$content{'senderdomain'},$symb,'check').'</b></td>');
 	}
-	if (&Apache::lonnet::allowed('mgr',$env{'request.course.id'})) {
-	    my $symb=&Apache::lonnet::symbread($content{'baseurl'});
+	if (&Apache::lonnet::allowed('mgr',$env{'request.course.id'}) && $symb) {
 	    $r->print('<td><b>'.&Apache::loncommon::pgrdlink(&mt('Set/Change grades'),$content{'sendername'},$content{'senderdomain'},$symb,'check').'</b></td>');
 	}
 	$r->print('</tr></table>');