+$node_fixed_columns = array('hostname','node_id','peer_id','slice_ids_whitelist', 'site_id',
+ 'run_level','boot_state','last_contact','node_type');
+// create a VisibleTags object : basically the list of tag columns to show
+//$visibletags = new VisibleTags ($api, 'node');
+//$visiblecolumns = $visibletags->column_names();
+
+// optimizing calls to GetNodes
+//$all_nodes=$api->GetNodes(NULL,$node_columns);
+//$slice_nodes=$api->GetNodes(array('node_id'=>$slice['node_ids']),$node_columns);
+//$potential_nodes=$api->GetNodes(array('~node_id'=>$slice['node_ids']),$node_columns);
+
+
+//NEW CODE FOR ENABLING COLUMN CONFIGURATION
+
+//prepare fix and configurable columns
+
+$fix_columns = array();
+$fix_columns[]=array('tagname'=>'hostname', 'header'=>'hostname', 'type'=>'string', 'title'=>'The name of the node');
+$fix_columns[]=array('tagname'=>'peer_id', 'header'=>'AU', 'type'=>'string', 'title'=>'Authority');
+$fix_columns[]=array('tagname'=>'run_level', 'header'=>'ST', 'type'=>'string', 'title'=>'Status');
+$fix_columns[]=array('tagname'=>'node_type', 'header'=>'RES', 'type'=>'string', 'title'=>'Reservable');
+
+// columns that correspond to the visible tags for nodes (*node/ui*)
+$visibletags = new VisibleTags ($api, 'node');
+$visibletags->columns();
+$tag_columns = $visibletags->headers();
+
+//columns that are not defined as extra myslice tags
+$extra_columns = array();
+//MyPLC columns
+$extra_columns[]=array('tagname'=>'sitename', 'header'=>'SN', 'type'=>'string', 'title'=>'Site name', 'fetched'=>true, 'source'=>'myplc');
+$extra_columns[]=array('tagname'=>'domain', 'header'=>'DN', 'type'=>'string', 'title'=>'Toplevel domain name', 'fetched'=>true, 'source'=>'myplc');
+$extra_columns[]=array('tagname'=>'ipaddress', 'header'=>'IP', 'type'=>'string', 'title'=>'IP Address', 'fetched'=>true, 'source'=>'myplc');
+$extra_columns[]=array('tagname'=>'fcdistro', 'header'=>'OS', 'type'=>'string', 'title'=>'Operating system', 'fetched'=>false, 'source'=>'myplc');
+$extra_columns[]=array('tagname'=>'date_created', 'header'=>'DA', 'source'=>'myplc', 'type'=>'date', 'title'=>'Date added', 'fetched'=>false);
+$extra_columns[]=array('tagname'=>'arch', 'header'=>'A', 'source'=>'myplc', 'type'=>'string', 'title'=>'Architecture', 'fetched'=>false);
+if (plc_is_admin()) {
+$extra_columns[]=array('tagname'=>'deployment', 'header'=>'DL', 'source'=>'myplc', 'type'=>'string', 'title'=>'Deployment', 'fetched'=>false);
+}
+
+//CoMon Live data
+
+if (MYSLICE_COMON_AVAILABLE)
+{
+$extra_columns[]=array('tagname'=>'bwlimit', 'header'=>'BW', 'source'=>'comon', 'type'=>'sortAlphaNumericTop', 'title'=>'Bandwidth limit', 'fetched'=>false);
+$extra_columns[]=array('tagname'=>'numcores', 'header'=>'CC', 'source'=>'comon', 'type'=>'sortAlphaNumericTop', 'title'=>'Number of CPU Cores', 'fetched'=>false);
+$extra_columns[]=array('tagname'=>'cpuspeed', 'header'=>'CR', 'source'=>'comon', 'type'=>'sortAlphaNumericTop', 'title'=>'CPU clock rate', 'fetched'=>false);
+$extra_columns[]=array('tagname'=>'disksize', 'header'=>'DS', 'source'=>'comon', 'type'=>'sortAlphaNumericTop', 'title'=>'Disk size', 'fetched'=>false);
+$extra_columns[]=array('tagname'=>'gbfree', 'header'=>'DF', 'source'=>'comon', 'type'=>'sortAlphaNumericTop', 'title'=>'Currently available disk space', 'fetched'=>false);
+$extra_columns[]=array('tagname'=>'memsize', 'header'=>'MS', 'source'=>'comon', 'type'=>'sortAlphaNumericTop', 'title'=>'Memory size', 'fetched'=>false);
+$extra_columns[]=array('tagname'=>'numslices', 'header'=>'SM', 'source'=>'comon', 'type'=>'sortAlphaNumericTop', 'title'=>'Number of slices in memory', 'fetched'=>false);
+$extra_columns[]=array('tagname'=>'uptime', 'header'=>'UT', 'source'=>'comon', 'type'=>'sortAlphaNumericTop', 'title'=>'Continuous uptime until now', 'fetched'=>false);
+}
+
+//TopHat Live data
+
+if (MYSLICE_TOPHAT_AVAILABLE)
+{
+$extra_columns[]=array('tagname'=>'asn', 'header'=>'AS', 'source'=>'tophat', 'type'=>'string', 'title'=>'AS Number', 'fetched'=>false);
+$extra_columns[]=array('tagname'=>'city', 'header'=>'LCY', 'source'=>'tophat', 'type'=>'string', 'title'=>'City', 'fetched'=>false);
+$extra_columns[]=array('tagname'=>'region', 'header'=>'LRN', 'source'=>'tophat', 'type'=>'string', 'title'=>'Region', 'fetched'=>false);
+$extra_columns[]=array('tagname'=>'country', 'header'=>'LCN', 'source'=>'tophat', 'type'=>'string', 'title'=>'Country', 'fetched'=>false);
+$extra_columns[]=array('tagname'=>'continent', 'header'=>'LCT', 'source'=>'tophat', 'type'=>'string', 'title'=>'Continent', 'fetched'=>false);
+//$extra_columns[]=array('tagname'=>'hopcount', 'header'=>'HC', 'source'=>'tophat', 'type'=>'sortAlphaNumericTop', 'title'=>'Hop count from reference node', 'fetched'=>false);
+////$extra_columns[]=array('tagname'=>'rtt', 'header'=>'RTT', 'source'=>'tophat', 'type'=>'sortAlphaNumericTop', 'title'=>'Round trip time from reference node', 'fetched'=>false);
+//////$extra_columns[]=array('tagname'=>'agents', 'header'=>'MA', 'source'=>'tophat', 'type'=>'sortAlphaNumericTop', 'title'=>'Co-located measurement agents', 'fetched'=>true);
+////$extra_columns[]=array('tagname'=>'agents_sonoma', 'header'=>'MAS', 'source'=>'tophat', 'type'=>'sortAlphaNumericTop', 'title'=>'Co-located SONoMA agents', 'fetched'=>true);
+////$extra_columns[]=array('tagname'=>'agents_etomic', 'header'=>'MAE', 'source'=>'tophat', 'type'=>'sortAlphaNumericTop', 'title'=>'Co-located ETOMIC agents', 'fetched'=>true);
+////$extra_columns[]=array('tagname'=>'agents_tdmi', 'header'=>'MAT', 'source'=>'tophat', 'type'=>'sortAlphaNumericTop', 'title'=>'Co-located TDMI agents', 'fetched'=>true);
+////$extra_columns[]=array('tagname'=>'agents_dimes', 'header'=>'MAD', 'source'=>'tophat', 'type'=>'sortAlphaNumericTop', 'title'=>'Co-located DIMES agents', 'fetched'=>true);
+}
+
+
+
+//Get user's column configuration
+
+$first_time_configuration = false;
+$default_configuration = "hostname:f|ST:f|AU:f|RES:f";
+//$extra_default = "";
+$column_configuration = "";
+$slice_column_configuration = "";
+
+$show_configuration = "";
+
+$PersonTags=$api->GetPersonTags (array('person_id'=>$plc->person['person_id']));
+//plc_debug('ptags',$PersonTags);
+foreach ($PersonTags as $ptag) {
+ if ($ptag['tagname'] == 'columnconf') {
+ $column_configuration = $ptag['value'];
+ $conf_tag_id = $ptag['person_tag_id'];
+ } else if ($ptag['tagname'] == 'showconf') {
+ $show_configuration = $ptag['value'];
+ $show_tag_id = $ptag['person_tag_id'];
+ }
+}