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[Cluster-devel] conga/luci/cluster form-macros resource-form-m ...



CVSROOT:	/cvs/cluster
Module name:	conga
Changes by:	rmccabe sourceware org	2006-09-06 22:13:33

Modified files:
	luci/cluster   : form-macros resource-form-macros 
	                 resource_form_handlers.js 
	                 validate_config_qdisk.js 

Log message:
	more UI and JS validation bits

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/luci/cluster/form-macros.diff?cvsroot=cluster&r1=1.55&r2=1.56
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/luci/cluster/resource-form-macros.diff?cvsroot=cluster&r1=1.6&r2=1.7
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/luci/cluster/resource_form_handlers.js.diff?cvsroot=cluster&r1=1.3&r2=1.4
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/luci/cluster/validate_config_qdisk.js.diff?cvsroot=cluster&r1=1.1&r2=1.2

--- conga/luci/cluster/form-macros	2006/09/05 21:25:44	1.55
+++ conga/luci/cluster/form-macros	2006/09/06 22:13:33	1.56
@@ -551,15 +551,18 @@
 					<th class="systemsTable">
 						<div class="systemsTableTop">Score</div>
 					</th>
+					<th>
+						&nbsp;
+					</th>
 				</tr>
 			</thead>
 
-			<tbody class="systemsTable" id='heuristicList'
+			<tbody class="systemsTable" id="heuristicList"
 				tal:define="global heuristics clusterinfo/hlist">
 
 				<tal:block tal:condition="python: not len(heuristics)">
 				<input type="hidden" name="num_heuristics" id="num_heuristics" value="0">
-				<tr class="systemsTable">
+				<tr class="systemsTable" id="heuristic0">
 					<td class="systemsTable">
 						<input class="qdname qdisk" type="text" name="heuristic0:hname" id="heuristic0:hname" value="">
 					</td>
@@ -572,6 +575,12 @@
 					<td class="systemsTable">
 						<input class="qdscore qdisk" type="text" name="heuristic0:hscore" id="heuristic0:hscore" value="">
 					</td>
+					<td class="systemsTable">
+						<img class="qdscore qdisk qdel_img"
+							id="heuristic0:hdel" name="heuristic0:hdel"
+							src="/luci/homebase/x.png"
+							onClick="delete_qdisk_heur(this, document.quorum_partition);">
+					</td>
 				</tr>
 				</tal:block>
 
@@ -584,6 +593,7 @@
 
 				<tr class="systemsTable"
 					tal:repeat="heuristic heuristics"
+					tal:attributes="id python: 'heuristic' + str(curHeur)"
 					tal:define="global curHeur python: curHeur + 1">
 
 					<td class="systemsTable">
@@ -614,6 +624,14 @@
 								id python: 'heuristic' + str(curHeur) + ':hscore';
 								name python: 'heuristic' + str(curHeur) + ':hscore';"/>
 					</td>
+					<td class="systemsTable">
+						<img class="qdscore qdisk qdel_img"
+							src="/luci/homebase/x.png"
+							onClick="delete_qdisk_heur(this, document.quorum_partition);"
+							tal:attributes="
+								id python: 'heuristic' + str(curHeur) + ':hdel';
+								name python: 'heuristic' + str(curHeur) + ':hdel';"/>
+					</td>
 				</tr>
 				</tal:block>
 			</tbody>
--- conga/luci/cluster/resource-form-macros	2006/09/05 21:25:44	1.6
+++ conga/luci/cluster/resource-form-macros	2006/09/06 22:13:33	1.7
@@ -265,8 +265,15 @@
 		</tr>
 	</table>
 
-	<input class="hbSubmit" name="submit" type="button" value="Submit"
-		onClick="validate(this.form);" />
+	<div class="hbSubmit">
+		<input class="hbSubmit" type="button" value="Submit"
+			onClick="validate(this.form);" />
+		<input class="hbSubmit" type="button" value="Add a child resource"
+			onClick="add_child_resource(this.form)" />
+		<input class="hbSubmit" value="Delete this resource"
+			onClick="delete_resource(this.form)" />
+	</div>
+
 	</form>
 </div>
 
@@ -369,7 +376,7 @@
 			</td>
 			<td class="systemsTable">
 				<input type="text" size="20" id="options" name="options"
-					tal:attributes="value opt | nothing"/>
+					tal:attributes="value opt | nothing" />
 			</td>
 		</tr>
 
@@ -379,7 +386,7 @@
 			</td>
 			<td class="systemsTable">
 				<input type="text" size="20" id="fsid" name="fsid"
-					tal:attributes="value fsid | nothing"/>
+					tal:attributes="value fsid | nothing" />
 			</td>
 		</tr>
 
@@ -416,8 +423,14 @@
 		</tr>
 	</table>
 
-	<input class="hbSubmit" type="button" value="Submit"
-		onClick="validate(this.form);" />
+	<div class="hbSubmit">
+		<input class="hbSubmit" type="button" value="Submit"
+			onClick="validate(this.form);" />
+		<input class="hbSubmit" type="button" value="Add a child resource"
+			onClick="add_child_resource(this.form)" />
+		<input class="hbSubmit" value="Delete this resource"
+			onClick="delete_resource(this.form)" />
+	</div>
 
 	</form>
 </div>
@@ -527,8 +540,14 @@
 		</tr>
 	</table>
 
-	<input type="button" value="Submit" class="hbSubmit"
-		onclick="validate(gfs_form);" />
+	<div class="hbSubmit">
+		<input class="hbSubmit" type="button" value="Submit"
+			onClick="validate(this.form);" />
+		<input class="hbSubmit" type="button" value="Add a child resource"
+			onClick="add_child_resource(this.form)" />
+		<input class="hbSubmit" value="Delete this resource"
+			onClick="delete_resource(this.form)" />
+	</div>
 
 	</form>
 </div>
@@ -651,8 +670,14 @@
 		</tr>
 	</table>
 
-	<input type="button" value="Submit" class="hbSubmit"
-		onclick="validate(this.form);"/>
+	<div class="hbSubmit">
+		<input class="hbSubmit" type="button" value="Submit"
+			onClick="validate(this.form);" />
+		<input class="hbSubmit" type="button" value="Add a child resource"
+			onClick="add_child_resource(this.form)" />
+		<input class="hbSubmit" value="Delete this resource"
+			onClick="delete_resource(this.form)" />
+	</div>
 
 	</form>
 </div>
@@ -726,8 +751,14 @@
 		</tr>
 	</table>
 
-	<input type="button" value="Submit" class="hbSubmit"
-		onclick="validate(this.form);" />
+	<div class="hbSubmit">
+		<input class="hbSubmit" type="button" value="Submit"
+			onClick="validate(this.form);" />
+		<input class="hbSubmit" type="button" value="Add a child resource"
+			onClick="add_child_resource(this.form)" />
+		<input class="hbSubmit" value="Delete this resource"
+			onClick="delete_resource(this.form)" />
+	</div>
 
 	</form>
 </div>
@@ -776,8 +807,14 @@
 		</tr>
 	</table>
 
-	<input type="button" value="Submit" class="hbSubmit"
-		onClick="validate(this.form);" />
+	<div class="hbSubmit">
+		<input class="hbSubmit" type="button" value="Submit"
+			onClick="validate(this.form);" />
+		<input class="hbSubmit" type="button" value="Add a child resource"
+			onClick="add_child_resource(this.form)" />
+		<input class="hbSubmit" value="Delete this resource"
+			onClick="delete_resource(this.form)" />
+	</div>
 
 	</form>
 </div>
@@ -837,8 +874,14 @@
 		</tr>
 	</table>
 
-	<input type="button" value="Submit" class="hbSubmit"
-		onClick="validate(scr_form);" />
+	<div class="hbSubmit">
+		<input class="hbSubmit" type="button" value="Submit"
+			onClick="validate(this.form);" />
+		<input class="hbSubmit" type="button" value="Add a child resource"
+			onClick="add_child_resource(this.form)" />
+		<input class="hbSubmit" value="Delete this resource"
+			onClick="delete_resource(this.form)" />
+	</div>
 
 	</form>
 </div>
@@ -900,8 +943,14 @@
 		</tr>
 	</table>
 
-	<input type="button" value="Submit" class="hbSubmit"
-		onClick="validate(smb_form);" />
+	<div class="hbSubmit">
+		<input class="hbSubmit" type="button" value="Submit"
+			onClick="validate(this.form);" />
+		<input class="hbSubmit" type="button" value="Add a child resource"
+			onClick="add_child_resource(this.form)" />
+		<input class="hbSubmit" value="Delete this resource"
+			onClick="delete_resource(this.form)" />
+	</div>
 
 	</form>
 </div>
--- conga/luci/cluster/resource_form_handlers.js	2006/08/10 23:06:20	1.3
+++ conga/luci/cluster/resource_form_handlers.js	2006/09/06 22:13:33	1.4
@@ -1,164 +1,129 @@
-/*swap_div switches between types of forms
- * based on a chooser within the document */
-function swap_div(container_id, element_id){
-  container_element = document.getElementById(container_id);
-  if (!container_element) {
-    alert('Can\'t find element with id = ' + container_id);
-    return (-1)
-  }
-  child_element = document.getElementById(element_id);
-  if (!child_element) {
-    alert('Can\'t find element with id = ' + element_id);
-    return (-1)
-  }
-  for(child in child_element.children){
-    alert(child);
-  }
-  temp = container_element.firstChild;
-  container_element.replaceChild(child_element, container_element.firstChild);
-  
-  invisible_div = document.getElementById('invisible');
-  if (!invisible_div) {
-    alert('No invisible div');
-    return (-1)
-  } 
-  
-  invisible_div.appendChild(temp);
-}
-
-/*In order to val a new resource type, 
- *create a form within the resource-form-macros 
- *with 'resource-name'_form as the 'name' 
- *attribute, and use:
- * onSubmit="valResource('resource-name'_form)"
- *val handler functions here and further
- *down within actual cluster code.*/
-
-function validate(form){
-  if(form.type.value != 'ip'){
-    if(form.resourceName.value.length == 0){
-      alert("Please enter a name for this resource. \n");
-      return;
-    }
-  }
-  /*Get the type of form from the first
-   *part of the name string*/
-  type = form.type.value;
-  /*use eval to access proper resource
-   *valer function as defined below*/
-  eval("val"+(type.toUpperCase())+"(form);");
-  /*TODO: val error checking!!!*/
-}
-
-/*Val an IP Resource*/
-function valIP(form){
-  /*first, check to make sure all input 
-   *fields have values*/
-  if (isNaN(parseInt(form.ip1.value)) ||
-     isNaN(parseInt(form.ip2.value)) ||
-     isNaN(parseInt(form.ip3.value)) ||
-     isNaN(parseInt(form.ip4.value)) ) {
-    error = "The IP Address contains illegal characters. \n";
-    alert(error);
-  }
-  else{
-    form.submit();
-  }
-}
-
-/*Val an NFS Mount Resource*/
-function valNFSM(form){
-  error = ""
-  /*check to make sure all input
-   *fields have values*/
-  if(form.mountpoint.value == "")
-    error += "Please enter a mount point.\n";
-  if(form.host.value == "")
-    error += "Please enter a host.\n";
-  if(form.exportpath.value == "")
-    error += "Please enter an export path.\n";
-  if(error != "")
-    alert(error);
-  else
-    form.submit();
-}
-
-/*Validate an NFS Export Resource*/
-function valNFSX(form){
-  form.submit();
-}
-
-/*Validate an NFS Client Resource*/
-function valNFSC(form){
-  error = ""
-  /*check to make sure all input
-   *fields have values*/
-  if(form.target.value == "")
-    error += "Please enter a target.\n";
-  if(error != "")
-    alert(error);
-  else
-    form.submit();
-}
-
-/*Validate an FS Resource*/
-function valFS(form){
-  error = ""
-  /*check to make sure all input
-   *fields have values*/
-  if(form.fsTypeSelect.value == "")
-    error += "Please Select a file system type.\n";
-  if(form.mountpoint.value == "")
-    error += "Please enter a mount point.\n";
-  if(form.device.value == "")
-    error += "Please enter a device.\n";
-  if(form.fsid.value == "")
-    error += "Please enter a file system id.\n";
-  if(error != "")
-    alert(error);
-  else
-    form.submit(); 
-}
-
-/*Validate a GFS Resource*/
-function valGFS(form){
-  error = ""
-  /*check to make sure all input
-   *fields have values*/
-  if(form.mountpoint.value == "")
-    error += "Please enter a mount point.\n";
-  if(form.device.value == "")
-    error += "Please enter a device.\n";
-  if(form.fsid.value == "")
-    error += "Please enter a file system id.\n";
-  if(error != "")
-    alert(error);
-  else
-    form.submit(); 
-}
-
-/*Validate a Script Resource*/
-function valSCR(form){
-  error = ""
-  /*check to make sure all input
-   *fields have values*/
-  if(form.file.value == "")
-    error += "Please enter a filename.\n";
-  if(error != "")
-    alert(error);
-  else
-    form.submit(); 
-}
-
-/*Validate a Samba Resource*/
-function valSMB(form){
-  error = ""
-  /*check to make sure all input
-   *fields have values*/
-  if(form.workgroup.value == "")
-    error += "Please enter a workgroup.\n";
-  if(error != "")
-    alert(error);
-  else
-    form.submit();   
+function swap_div(container_id, element_id) {
+	var container_element = document.getElementById(container_id);
+	if (!container_element)
+		return (-1);
+
+	var child_element = document.getElementById(element_id);
+	if (!child_element)
+		return (-1);
+
+	var invisible_div = document.getElementById('invisible');
+	if (!invisible_div)
+		return (-1);
+
+	var temp = container_element.firstChild;
+	container_element.replaceChild(child_element, container_element.firstChild);
+	invisible_div.appendChild(temp);
+}
+
+function validate_ip(form) {
+	var errors = new Array();
+	var ipstr =	form.ip1.value + '.' + form.ip2.value + '.' +
+				form.ip3.value + '.' + form.ip4.value;
+
+	if (!isValidHost(ipstr))
+		errors.push('\"' + ipstr '\" is an invalid IP address.');
+	return (errors);
+}
+
+function validate_nfs_mount(form) {
+	var errors = new Array();
+
+	if (!form.mountpoint || str_is_blank(form.mounpoint.value))
+		errors.push('No mount point was given.');
+
+	if (!form.host || str_is_blank(form.host.value))
+		errors.push('No NFS server host was given.');
+
+	if (!form.exportpath || str_is_blank(form.exportpath.value))
+		errors.push('No NFS export path was given.');
+	return (errors);
+}
+
+function validate_nfs_export(form) {
+	var errors = new Array();
+	return (errors);
+}
+
+function validate_nfs_client(form) {
+	var errors = new Array();
+
+	if (!form.target || str_is_blank(form.target.value))
+		errors.push('No NFS client target was given.');
+	return (errors);
+}
+
+function validate_filesystem(form) {
+	var errors = new Array();
+
+	if (!form.fsTypeSelect || str_is_blank(form.fsTypeSelect.value))
+		errors.push('No file system type was given.');
+
+	if (!form.mountpoint || str_is_blank(form.mountpoint.value))
+		errors.push('No file system mount point was given.');
+
+	if (!form.device || str_is_blank(form.device.value))
+		errors.push('No device containing the file system was given.');
+
+	if (!form.fsid || str_is_blank(form.fsid.value))
+		errors.push('No file system ID was given.');
+	return (errors);
+}
+
+function validate_gfs(form) {
+	my errors = new Array();
+
+	if (!form.mountpoint || str_is_blank(form.mountpoint.value))
+		errors.push('No file system mount point was given.');
+
+	if (!form.device || str_is_blank(form.device.value))
+		errors.push('No device containing file system was given.');
+
+	if (!form.fsid || str_is_blank(form.fsid.value))
+		errors.push('No file system ID was given.');
+	return (errors);
+}
+
+function validate_script(form) {
+	var errors = new Array();
+
+	if (!form.file || str_is_blank(form.file.value))
+		errors.push('No path to the script file was given.');
+	return (errors);
+}
+
+function validate_samba(form) {
+	var errors = new Array();
+
+	if (!form.workgroup || str_is_blank(form.workgroup.value))
+		errors.push('No workgroup was given');
+	return (errors);
+}
+
+var form_validators = new Array();
+form_validators['ip'] = validate_ip;
+form_validators['nfsm'] = validate_nfs_mount;
+form_validators['nfsx'] = validate_nfs_export;
+form_validators['nfsc'] = validate_nfs_client;
+form_validators['fs'] = validate_filesystem;
+form_validators['gfs'] = validate_gfs;
+form_validators['scr'] = validate_script;
+form_validators['smb'] = validate_samba;
+
+function validate(form) {
+	var valfn = form_validators[form.type.value];
+	if (!valfn)
+		return (-1);
+
+	if (error_dialog(valfn(form)))
+		return (-1);
+	form.submit();
+}
+
+function delete_resource(form) {
+	return (-1);
+}
+
+function add_child_resource(form) {
+	return (-1);
 }
--- conga/luci/cluster/validate_config_qdisk.js	2006/08/17 16:22:41	1.1
+++ conga/luci/cluster/validate_config_qdisk.js	2006/09/06 22:13:33	1.2
@@ -1,3 +1,74 @@
+var heuristic_names = [ ':hname', ':hprog', ':hinterval', ':hscore', ':hdel' ];
+
+function clear_heuristic(form, heur_num) {
+	var str_prefix = 'heuristic' + heur_num;
+	for (var i = 0 ; i < heuristic_names.length - 1 ; i++) {
+		var id = str_prefix + heuristic_names[i];
+		var elem = document.getElementById(id);
+		if (!elem)
+			continue;
+		elem.value = '';
+	}
+
+	return (0);
+}
+
+function delete_qdisk_heur(field, form) {
+	if (!field)
+		return (-1);
+
+	if (!form)
+		return (-1);
+
+	var num_heur = form.num_heuristics;
+	if (!num_heur)
+		return (-1);
+	num_heur = Number(num_heur.value);
+
+	var id = field.id;
+	var hnum = id.split(':')[0].substr(9);
+	if (!is_valid_int(hnum, 0, 9))
+		return (-1);
+	hnum = Number(hnum);
+
+	if (num_heur < 1) {
+		if (!confirm('Delete this qurorum disk heuristic?'))
+			return (-1);
+
+		return (clear_heuristic(form, hnum));
+	}
+
+	var heur_body = document.getElementById('heuristicList');
+	if (!heur_body)
+		return (-1);
+
+	if (!confirm('Delete qurorum disk heuristic ' + (hnum + 1) + '?'))
+		return (-1);
+
+	heur_body.deleteRow(hnum)
+
+	for (var i = hnum + 1 ; i <= num_heur ; i++) {
+		var tr = document.getElementById('heuristic' + i);
+		if (!tr)
+			continue;
+		var prefix_str = 'heuristic' + (i - 1);
+
+		tr.setAttribute('id', prefix_str);
+		tr.setAttribute('name', prefix_str);
+
+		for (var n = 0 ; n < heuristic_names.length ; n++) {
+			var elem = document.getElementById('heuristic' + i + heuristic_names[n]);
+			if (!elem)
+				continue;
+
+			elem.setAttribute('id', prefix_str + heuristic_names[n]);
+			elem.setAttribute('name', prefix_str + heuristic_names[n]);
+		}
+	}
+
+	form.num_heuristics.value = num_heur - 1;
+}
+
 function check_heuristic(hnum, form) {
 	var errors = new Array();
 
@@ -9,27 +80,27 @@
 	if (errors.length > 0)
 		return (errors);
 
-	hstr = 'heuristic' + hnum + ':';
+	var hstr = 'heuristic' + hnum;
 
-	hname = document.getElementById(hstr + 'hname');
+	var hname = document.getElementById(hstr + ':hname');
 	if (!hname || str_is_blank(hname.value))
 		errors.push('No name was given for heuristic ' + (hnum + 1));
 	else
 		hname = hname.value;
 
-	hpath = document.getElementById(hstr + 'hpath');
+	var hpath = document.getElementById(hstr + ':hpath');
 	if (!hpath || str_is_blank(hpath.value))
 		errors.push('No path was given for heuristic ' + (hnum + 1));
 	else
 		hpath = hpath.value;
 
-	hint = document.getElementById(hstr + 'hinterval');
+	var hint = document.getElementById(hstr + ':hinterval');
 	if (!hint || str_is_blank(hint.value))
 		errors.push('No interval was given for heuristic ' + (hnum + 1));
 	else
 		hint = hint.value;
 
-	hscore = document.getElementById(hstr + 'hscore');
+	var hscore = document.getElementById(hstr + ':hscore');
 	if (!hscore || str_is_blank(hscore.value))
 		errors.push('No score was given for heuristic ' + (hnum + 1));
 	else
@@ -60,12 +131,13 @@
 		return (error_dialog(errors));
 	}
 
+	var qpart = null;
 	if (form.quorumd[0].checked)
 		qpart = 0
 	else if (form.quorumd[1].checked)
 		qpart = 1;
 	else {
-		errors.push('You submitted an invalid value while specifying whether or not to use a quorum partition: ' + qpart + '.');
+		errors.push('You submitted an invalid value while specifying whether or not to use a quorum partition.');
 		return (error_dialog(errors));
 	}
 
@@ -102,17 +174,17 @@
 			errors.push('No device setting was given.');
 		else {
 			/* TODO: check this */
-			device = form.device.value;
+			var device = form.device.value;
 		}
 
 		if (!form.label || str_is_blank(form.label.value))
 			errors.push('No label setting was given.');
 		else {
 			/* TODO: check this */
-			label = form.device.label;
+			var label = form.device.label;
 		}
 
-		hnum = document.getElementById('num_heuristics');
+		var hnum = document.getElementById('num_heuristics');
 		if (hnum) {
 			hnum = Number(hnum.value);
 			if (hnum == 0)
@@ -135,10 +207,11 @@
 var oldInput = null;
 
 function addHeuristic(parent_name) {
-	parent = document.getElementById(parent_name);
-	if (!parent)
+	var parente = document.getElementById(parent_name);
+	if (!parente)
 		return;
-	hnum = document.getElementById('num_heuristics');
+
+	var hnum = document.getElementById('num_heuristics');
 	if (!hnum)
 		return;
 
@@ -147,69 +220,86 @@
 		alert('There is a maximum of 10 heuristics.');
 		return;
 	}
-	hstr = 'heuristic' + cur_hnum + ':';
 
-	name_td = document.createElement('td');
+	var hstr = 'heuristic' + cur_hnum;
+
+	var name_td = document.createElement('td');
 	name_td.className = 'systemsTable';
-	name_input = document.createElement('input');
+	var name_input = document.createElement('input');
 	name_input.className = 'qdname qdisk';
-	name_input.setAttribute('name', hstr + 'hname');
-	name_input.setAttribute('id', hstr + 'hname');
+	name_input.setAttribute('name', hstr + ':hname');
+	name_input.setAttribute('id', hstr + ':hname');
 	name_input.setAttribute('type', 'text');
 	name_td.appendChild(name_input);
 
-	path_td = document.createElement('td');
+	var path_td = document.createElement('td');
 	path_td.className = 'systemsTable';
-	path_input = document.createElement('input');
+	var path_input = document.createElement('input');
 	path_input.className = 'qdpath qdisk';
-	path_input.setAttribute('name', hstr + 'hprog');
-	path_input.setAttribute('id', hstr + 'hprog');
+	path_input.setAttribute('name', hstr + ':hprog');
+	path_input.setAttribute('id', hstr + ':hprog');
 	path_input.setAttribute('type', 'text');
 	path_td.appendChild(path_input);
 
-	interval_td = document.createElement('td');
+	var interval_td = document.createElement('td');
 	interval_td.className = 'systemsTable';
-	interval_input = document.createElement('input');
+	var interval_input = document.createElement('input');
 	interval_input.className = 'qdint qdisk';
-	interval_input.setAttribute('name', hstr + 'hinterval');
-	interval_input.setAttribute('id', hstr + 'hinterval');
+	interval_input.setAttribute('name', hstr + ':hinterval');
+	interval_input.setAttribute('id', hstr + ':hinterval');
 	interval_input.setAttribute('type', 'text');
 	interval_td.appendChild(interval_input);
 
-	score_td = document.createElement('td');
+	var score_td = document.createElement('td');
 	score_td.className = 'systemsTable';
-	score_input = document.createElement('input');
+	var score_input = document.createElement('input');
 	score_input.className = 'qdscore qdisk';
-	score_input.setAttribute('name', hstr + 'hscore');
-	score_input.setAttribute('id', hstr + 'hscore');
+	score_input.setAttribute('name', hstr + ':hscore');
+	score_input.setAttribute('id', hstr + ':hscore');
 	score_input.setAttribute('type', 'input');
 	score_td.appendChild(score_input);
 
-	tr = document.createElement('tr');
+	var del_td = document.createElement('td');
+	del_td.className = 'systemsTable';
+	var del_img = document.createElement('img');
+	del_img.className = 'qdscore qdisk qdel_img';
+	del_img.setAttribute('name', hstr + ':hdel');
+	del_img.setAttribute('id', hstr + ':hdel');
+	del_img.setAttribute('src', '/luci/homebase/x.png');
+	del_img.setAttribute('onClick', 'delete_qdisk_heur(this, document.quorum_partition)');
+	del_td.appendChild(del_img);
+
+	var tr = document.createElement('tr');
 	tr.className = 'systemsTable';
+	tr.setAttribute('id', 'heuristic' + cur_hnum);
 	tr.appendChild(name_td);
 	tr.appendChild(path_td);
 	tr.appendChild(interval_td);
 	tr.appendChild(score_td);
-	parent.appendChild(tr);
-	hnum.value++;
+	tr.appendChild(del_td);
+	parente.appendChild(tr);
+	hnum.value = cur_hnum;
 }
 
 function disableChildrenInput(parent_name) {
-	parent = document.getElementById(parent_name);
-	if (!parent)
+	var parente = document.getElementById(parent_name);
+	if (!parente)
 		return;
 
-	inputElem = parent.getElementsByTagName('input');
+	var inputElem = parente.getElementsByTagName('input');
 	if (!inputElem || inputElem.length < 1) {
 		oldInput = null;
 		return;
 	}
+
 	if (inputElem[0].disabled)
 		return;
+
 	oldInput = new Array(inputElem.length);
 	for (var i = 0 ; i < inputElem.length ; i++) {
-		e = inputElem[i];
+		var e = inputElem[i];
+		if (e.type == 'hidden')
+			continue;
 
 		e.disabled = true;
 		if (e.type == 'button')
@@ -220,22 +310,18 @@
 }
 
 function enableChildrenInput(parent_name) {
-	parent = document.getElementById(parent_name);
-	if (!parent)
+	var parente = document.getElementById(parent_name);
+	if (!parente)
 		return;
 
-	inputElem = parent.getElementsByTagName('input');
-	if (!inputElem || inputElem.length < 1) {
-		return;
-	}
-
-	if (!inputElem[0].disabled)
+	var inputElem = parente.getElementsByTagName('input');
+	if (!inputElem || inputElem.length < 1 || !inputElem[0].disabled)
 		return;
 
 	for (var i = 0 ; i < inputElem.length ; i++) {
-		e = inputElem[i];
+		var e = inputElem[i];
 		e.disabled = false;
-		if (e.type == 'button')
+		if (e.type == 'button' || e.type == 'hidden')
 			continue;
 		if (oldInput && oldInput[e.name])
 			e.value = oldInput[e.name];


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