Source Code for Module ZenModel.LineGraphPoint

 1  ########################################################################### 
 2  # 
 3  # This program is part of Zenoss Core, an open source monitoring platform. 
 4  # Copyright (C) 2007, Zenoss Inc. 
 5  # 
 6  # This program is free software; you can redistribute it and/or modify it 
 7  # under the terms of the GNU General Public License version 2 as published by 
 8  # the Free Software Foundation. 
 9  # 
10  # For complete information please visit: http://www.zenoss.com/oss/ 
11  # 
12  ########################################################################### 
13   
14  __doc__="""Line 
15   
16  Handles GraphPoints that define an rrd LINE 
17  """ 
18   
19  from GraphPoint import GraphPoint 
20  from Globals import InitializeClass 
21   
22   
23 -def manage_addLineGraphPoint(context, id, REQUEST = None): 
24      ''' This is here so than zope will let us copy/paste/rename 
25      graphpoints. 
26      ''' 
27      gp = LineGraphPoint(id) 
28      context._setObject(gp.id, gp) 
29      if REQUEST: 
30          return context.callZenScreen(REQUEST) 
31   
32   
33 -class LineGraphPoint(GraphPoint): 
34   
35      meta_type = 'LineGraphPoint' 
36   
37      lineWidth = 1 
38      value = '' 
39      color = '' 
40      legend = GraphPoint.DEFAULT_LEGEND 
41      stacked = False 
42   
43      _properties = GraphPoint._properties + ( 
44          {'id':'lineWidth', 'type':'long', 'mode':'w'}, 
45          {'id':'value', 'type':'string', 'mode':'w'}, 
46          {'id':'color', 'type':'string', 'mode':'w'}, 
47          {'id':'legend', 'type':'string', 'mode':'w'}, 
48          {'id':'stacked', 'type':'boolean', 'mode':'w'}, 
49          ) 
50   
51 -    def getDescription(self): 
52          return '%s %s' % (self.value, self.legend) 
53   
54   
55 -    def getType(self): 
56          return 'LINE' 
57   
58   
59 -    def getGraphCmds(self, cmds, context, rrdDir, addSummary, idx,  
60                          multiid=-1, prefix=''): 
61          ''' Build the graphing commands for this graphpoint 
62          ''' 
63          from Products.ZenUtils.Utils import unused 
64          unused(multiid, rrdDir) 
65          value = self.addPrefix(prefix, self.value) 
66          gopts = 'LINE%s:%s' % ((self.lineWidth or ''), value) 
67          if self.color: 
68              gopts += self.getColor(idx) 
69          if self.legend or self.stacked: 
70              legend = self.talesEval(self.legend, context) 
71              legend = self.escapeForRRD(legend) 
72              gopts += ':%s' % legend 
73          if self.stacked: 
74              gopts += ':STACK' 
75          return cmds + [gopts] 
76   
77   
78  InitializeClass(LineGraphPoint) 
79