addons/process/process.py

   1 # -*- encoding: utf-8 -*-
   2 ##############################################################################
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  26 #
  27 ##############################################################################
  28
  29 import netsvc
  30 import pooler, tools
  31
  32 from osv import fields, osv
  33
  34 class process_process(osv.osv):
  35     _name = "process.process"
  36     _description = "Process"
  37     _columns = {
  38         'name': fields.char('Name', size=30,required=True),
  39         'active': fields.boolean('Active'),
  40         'note': fields.text('Notes'),
  41         'node_ids': fields.one2many('process.node', 'process_id', 'Nodes')
  42     }
  43     _defaults = {
  44         'active' : lambda *a: True,
  45     }
  46
  47     def graph_get(self, cr, uid, id, res_model, res_id, scale, context):
  48         pool = pooler.get_pool(cr.dbname)
  49         process = pool.get('process.process').browse(cr, uid, [id])[0]
  50         current_object = pool.get(res_model).browse(cr, uid, [res_id])[0]
  51         nodes = {}
  52         start = []
  53         transitions = {}
  54         for node in process.node_ids:
  55
  56             data = {}
  57
  58             data['name'] = node.name
  59             data['menu'] = (node.menu_id or None) and node.menu_id.name
  60             data['model'] = (node.model_id or None) and node.model_id.model
  61             data['kind'] = node.kind
  62             data['notes'] = node.note
  63             data['active'] = 0
  64
  65             if node.kind == "state" and node.model_id and node.model_id.model == res_model:
  66                 states = node.model_states
  67                 states = (states or []) and states.split(',')
  68                 data['active'] = (states and current_object.state in states) or not states
  69
  70             elif node.kind == "router":
  71                 #TODO:
  72                 pass
  73
  74             elif node.kind == "subflow":
  75                 #TODO: subflow
  76                 pass
  77
  78             nodes[node.id] = data
  79             if node.flow_start:
  80                 start.append(node.id)
  81
  82             for tr in node.transition_out:
  83                 data = {}
  84                 data['name'] = tr.name
  85                 data['source'] = tr.source_node_id.id
  86                 data['target'] = tr.target_node_id.id
  87                 data['notes'] = tr.note
  88                 data['buttons'] = buttons = []
  89                 for b in tr.action_ids:
  90                     button = {}
  91                     button['name'] = b.name
  92                     button['state'] = b.state
  93                     button['action'] = b.action
  94                     buttons.append(button)
  95                 data['roles'] = roles = []
  96                 for r in tr.transition_ids:
  97                     if r.role_id:
  98                         role = {}
  99                         role['name'] = r.role_id.name
 100                         roles.append(role)
 101                 transitions[tr.id] = data
 102
 103         g = tools.graph(nodes.keys(), map(lambda x: (x['source'], x['target']), transitions.values()))
 104         g.process(start)
 105         #g.scale(100, 100, 180, 120)
 106         g.scale(*scale)
 107         graph = g.result_get()
 108         miny = -1
 109
 110         for k,v in nodes.items():
 111             x = graph[k]['y']
 112             y = graph[k]['x']
 113             if miny == -1:
 114                 miny = y
 115             miny = min(y, miny)
 116             v['x'] = x
 117             v['y'] = y
 118
 119         for k, v in nodes.items():
 120             y = v['y']
 121             v['y'] = min(y - miny + 10, y)
 122         return dict(nodes=nodes, transitions=transitions)
 123
 124 process_process()
 125
 126 class process_node(osv.osv):
 127     _name = 'process.node'
 128     _description ='Process Nodes'
 129     _columns = {
 130         'name': fields.char('Name', size=30,required=True),
 131         'process_id': fields.many2one('process.process', 'Process', required=True),
 132         'kind': fields.selection([('state','State'),('router','Router'),('subflow','Subflow')],'Kind of Node', required=True),
 133         'menu_id': fields.many2one('ir.ui.menu', 'Related Menu'),
 134         'note': fields.text('Notes'),
 135         'model_id': fields.many2one('ir.model', 'Object', ondelete='set null'),
 136         'model_states': fields.char('States Expression', size=128),
 137         'flow_start': fields.boolean('Starting Flow'),
 138         'transition_in': fields.one2many('process.transition', 'target_node_id', 'Starting Transitions'),
 139         'transition_out': fields.one2many('process.transition', 'source_node_id', 'Ending Transitions'),
 140     }
 141     _defaults = {
 142         'kind': lambda *args: 'state',
 143         'model_states': lambda *args: False,
 144         'flow_start': lambda *args: False,
 145     }
 146 process_node()
 147
 148 class process_transition(osv.osv):
 149     _name = 'process.transition'
 150     _description ='Process Transitions'
 151     _columns = {
 152         'name': fields.char('Name', size=32, required=True),
 153         'source_node_id': fields.many2one('process.node', 'Source Node', required=True, ondelete='cascade'),
 154         'target_node_id': fields.many2one('process.node', 'Target Node', required=True, ondelete='cascade'),
 155         'action_ids': fields.one2many('process.transition.action', 'transition_id', 'Buttons'),
 156         'transition_ids': fields.many2many('workflow.transition', 'process_transition_ids', 'ptr_id', 'wtr_id', 'Workflow Transitions'),
 157         'note': fields.text('Description'),
 158     }
 159 process_transition()
 160
 161 class process_transition_action(osv.osv):
 162     _name = 'process.transition.action'
 163     _description ='Process Transitions Actions'
 164     _columns = {
 165         'name': fields.char('Name', size=32, required=True),
 166         'state': fields.selection([('dummy','Dummy'),
 167                                    ('method','Object Method'),
 168                                    ('workflow','Workflow Trigger'),
 169                                    ('action','Action')], 'Type', required=True),
 170         'action': fields.char('Action ID', size=64, states={
 171             'dummy':[('readonly',1)],
 172             'method':[('required',1)],
 173             'workflow':[('required',1)],
 174             'action':[('required',1)],
 175         },),
 176         'transition_id': fields.many2one('process.transition', 'Transition', required=True, ondelete='cascade')
 177     }
 178     _defaults = {
 179         'state': lambda *args: 'dummy',
 180     }
 181 process_transition_action()
 182