Source Code for Module Products.ZenWidgets.Portlet

 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  from Products.ZenModel.ZenossSecurity import * 
15  from os.path import basename, exists 
16  from Products.ZenRelations.RelSchema import * 
17  from Products.ZenModel.ZenModelRM import ZenModelRM 
18  from Globals import InitializeClass 
19  from Products.ZenUtils.Utils import zenPath 
20   
21 -def manage_addPortlet(self, context, REQUEST=None): 
22      """ 
23      Add a portlet. 
24      """ 
25      pass 
26   
27 -class Portlet(ZenModelRM): 
28      """ 
29      A wrapper for a portlet javascript source file that can include metadata 
30      such as a name, a title, a description and permissions. 
31   
32      Portlets should not be instantiated directly. They should only be created 
33      by a PortletManager object. 
34      """ 
35      source = '' 
36   
37      portal_type = meta_type = 'Portlet' 
38   
39      _relations = ( 
40          ("portletManager", ToOne( 
41              ToManyCont, "Products.ZenWidgets.PortletManager", "portlets")), 
42      ) 
43   
44      _properties = ( 
45          {'id':'title','type':'string','mode':'w'}, 
46          {'id':'description', 'type':'string', 'mode':'w'}, 
47          {'id':'permission', 'type':'string', 'mode':'w'}, 
48          {'id':'sourcepath', 'type':'string', 'mode':'w'}, 
49          {'id':'preview', 'type':'string', 'mode':'w'}, 
50      ) 
51   
52   
53 -    def __init__(self, sourcepath, id='', title='', description='',  
54                   preview='', permission=ZEN_COMMON): 
55          if not id: id = basename(sourcepath).split('.')[0] 
56          self.id = id 
57          ZenModelRM.__init__(self, id) 
58          self.title = title 
59          self.description = description 
60          self.permission = permission 
61          self.sourcepath = sourcepath 
62          self.preview = preview 
63          self._read_source() 
64   
65 -    def _getSourcePath(self): 
66          return zenPath(self.sourcepath) 
67   
68 -    def check(self): 
69          return exists(self._getSourcePath()) 
70   
71 -    def _read_source(self): 
72          try: 
73              f = file(self._getSourcePath()) 
74          except IOError, e: 
75              return 
76          else: 
77              self.source = f.read() 
78              f.close() 
79   
80 -    def getPrimaryPath(self,fromNode=None): 
81          """ 
82          Override the default, which doesn't account for things on zport 
83          """ 
84          return ('', 'zport') + super(Portlet, self).getPrimaryPath(fromNode) 
85   
86 -    def get_source(self, debug_mode=False): 
87          if debug_mode: self._read_source() 
88          src = [] 
89          src.append(self.source) 
90          src.append("YAHOO.zenoss.portlet.register_portlet('%s', '%s');" % ( 
91              self.id, self.title)) 
92          return '\n'.join(src) 
93   
94  InitializeClass(Portlet) 
95