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  import os 
20  from GraphPoint import GraphPoint 
21  from Globals import InitializeClass 
22   
23   
24 -def manage_addLineGraphPoint(context, id, REQUEST = None): 
25      ''' This is here so than zope will let us copy/paste/rename 
26      graphpoints. 
27      ''' 
28      gp = LineGraphPoint(id) 
29      context._setObject(gp.id, gp) 
30      if REQUEST: 
31          return context.callZenScreen(REQUEST) 
32   
33   
34 -class LineGraphPoint(GraphPoint): 
35   
36      meta_type = 'LineGraphPoint' 
37   
38      lineWidth = 1 
39      value = '' 
40      color = '' 
41      legend = GraphPoint.DEFAULT_LEGEND 
42      stacked = False 
43   
44      _properties = GraphPoint._properties + ( 
45          {'id':'lineWidth', 'type':'long', 'mode':'w'}, 
46          {'id':'value', 'type':'string', 'mode':'w'}, 
47          {'id':'color', 'type':'string', 'mode':'w'}, 
48          {'id':'legend', 'type':'string', 'mode':'w'}, 
49          {'id':'stacked', 'type':'boolean', 'mode':'w'}, 
50          ) 
51   
52 -    def getDescription(self): 
53          return '%s %s' % (self.value, self.legend) 
54   
55   
56 -    def getType(self): 
57          return 'LINE' 
58   
59   
60 -    def getGraphCmds(self, cmds, context, rrdDir, addSummary, idx,  
61                          multiid=-1, prefix=''): 
62          ''' Build the graphing commands for this graphpoint 
63          ''' 
64          value = self.addPrefix(prefix, self.value) 
65          gopts = 'LINE%s:%s' % ((self.lineWidth or ''), value) 
66          if self.color: 
67              gopts += self.getColor(idx) 
68          if self.legend or self.stacked: 
69              legend = self.talesEval(self.legend, context) 
70              legend = self.escapeForRRD(legend) 
71              gopts += ':%s' % legend 
72          if self.stacked: 
73              gopts += ':STACK' 
74          return cmds + [gopts] 
75   
76   
77  InitializeClass(LineGraphPoint) 
78