addons/hr_holidays/hr_holidays.py

   1 # -*- coding: utf-8 -*-
   2 ##################################################################################
   3 #
   4 # Copyright (c) 2005-2006 Axelor SARL. (http://www.axelor.com)
   5 # and 2004-2010 Tiny SPRL (<http://tiny.be>).
   6 #
   7 # $Id: hr.py 4656 2006-11-24 09:58:42Z Cyp $
   8 #
   9 #     This program is free software: you can redistribute it and/or modify
  10 #     it under the terms of the GNU Affero General Public License as
  11 #     published by the Free Software Foundation, either version 3 of the
  12 #     License, or (at your option) any later version.
  13 #
  14 #     This program is distributed in the hope that it will be useful,
  15 #     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 #     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 #     GNU Affero General Public License for more details.
  18 #
  19 #     You should have received a copy of the GNU Affero General Public License
  20 #     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 #
  22 ##############################################################################
  23
  24 import datetime, time
  25 from itertools import groupby
  26 from operator import itemgetter
  27
  28 import netsvc
  29 from osv import fields, osv
  30 from tools.translate import _
  31
  32
  33 class hr_holidays_status(osv.osv):
  34     _name = "hr.holidays.status"
  35     _description = "Leave Type"
  36
  37     def get_days(self, cr, uid, ids, employee_id, return_false, context=None):
  38         cr.execute("""SELECT id, type, number_of_days, holiday_status_id FROM hr_holidays WHERE employee_id = %s AND state='validate' AND holiday_status_id in %s""",
  39             [employee_id, tuple(ids)])
  40         result = sorted(cr.dictfetchall(), key=lambda x: x['holiday_status_id'])
  41         grouped_lines = dict((k, [v for v in itr]) for k, itr in groupby(result, itemgetter('holiday_status_id')))
  42         res = {}
  43         for record in self.browse(cr, uid, ids, context=context):
  44             res[record.id] = {}
  45             max_leaves = leaves_taken = 0
  46             if not return_false:
  47                 if record.id in grouped_lines:
  48                     leaves_taken = -sum([item['number_of_days'] for item in grouped_lines[record.id] if item['type'] == 'remove'])
  49                     max_leaves = sum([item['number_of_days'] for item in grouped_lines[record.id] if item['type'] == 'add'])
  50             res[record.id]['max_leaves'] = max_leaves
  51             res[record.id]['leaves_taken'] = leaves_taken
  52             res[record.id]['remaining_leaves'] = max_leaves - leaves_taken
  53         return res
  54
  55     def _user_left_days(self, cr, uid, ids, name, args, context=None):
  56         return_false = False
  57         employee_id = False
  58         res = {}
  59         if context and context.has_key('employee_id'):
  60             if not context['employee_id']:
  61                 return_false = True
  62             employee_id = context['employee_id']
  63         else:
  64             employee_ids = self.pool.get('hr.employee').search(cr, uid, [('user_id','=',uid)], context=context)
  65             if employee_ids:
  66                 employee_id = employee_ids[0]
  67             else:
  68                 return_false = True
  69         if employee_id:
  70             res = self.get_days(cr, uid, ids, employee_id, return_false, context=context)
  71         else:
  72             res = dict.fromkeys(ids, {'leaves_taken': 0, 'remaining_leaves': 0, 'max_leaves': 0})
  73         return res
  74
  75     _columns = {
  76         'name': fields.char('Leave Type', size=64, required=True, translate=True),
  77         'categ_id': fields.many2one('crm.case.categ', 'Meeting', domain="[('object_id.model', '=', 'crm.meeting')]", help='If you set a meeting type, OpenERP will create a meeting in the calendar once a leave is validated.'),
  78         'color_name': fields.selection([('red', 'Red'),('blue','Blue'), ('lightgreen', 'Light Green'), ('lightblue','Light Blue'), ('lightyellow', 'Light Yellow'), ('magenta', 'Magenta'),('lightcyan', 'Light Cyan'),('black', 'Black'),('lightpink', 'Light Pink'),('brown', 'Brown'),('violet', 'Violet'),('lightcoral', 'Light Coral'),('lightsalmon', 'Light Salmon'),('lavender', 'Lavender'),('wheat', 'Wheat'),('ivory', 'Ivory')],'Color in Report', required=True, help='This color will be used in the leaves summary located in Reporting\Leaves by Departement'),
  79         'limit': fields.boolean('Allow to Override Limit', help='If you tick this checkbox, the system will allow, for this section, the employees to take more leaves than the available ones.'),
  80         'active': fields.boolean('Active', help="If the active field is set to false, it will allow you to hide the leave type without removing it."),
  81         'max_leaves': fields.function(_user_left_days, string='Maximum Allowed', help='This value is given by the sum of all holidays requests with a positive value.', multi='user_left_days'),
  82         'leaves_taken': fields.function(_user_left_days, string='Leaves Already Taken', help='This value is given by the sum of all holidays requests with a negative value.', multi='user_left_days'),
  83         'remaining_leaves': fields.function(_user_left_days, string='Remaining Leaves', help='Maximum Leaves Allowed - Leaves Already Taken', multi='user_left_days'),
  84         'double_validation': fields.boolean('Apply Double Validation', help="If its True then its Allocation/Request have to be validated by second validator")
  85     }
  86     _defaults = {
  87         'color_name': 'red',
  88         'active': True,
  89     }
  90 hr_holidays_status()
  91
  92 class hr_holidays(osv.osv):
  93     _name = "hr.holidays"
  94     _description = "Leave"
  95     _order = "type desc, date_from asc"
  96
  97     def _employee_get(self, cr, uid, context=None):
  98         ids = self.pool.get('hr.employee').search(cr, uid, [('user_id', '=', uid)], context=context)
  99         if ids:
 100             return ids[0]
 101         return False
 102
 103     def _compute_number_of_days(self, cr, uid, ids, name, args, context=None):
 104         result = {}
 105         for hol in self.browse(cr, uid, ids, context=context):
 106             if hol.type=='remove':
 107                 result[hol.id] = -hol.number_of_days_temp
 108             else:
 109                 result[hol.id] = hol.number_of_days_temp
 110         return result
 111
 112     _columns = {
 113         'name': fields.char('Description', required=True, size=64),
 114         'state': fields.selection([('draft', 'New'), ('confirm', 'Waiting Approval'), ('refuse', 'Refused'),
 115             ('validate1', 'Waiting Second Approval'), ('validate', 'Approved'), ('cancel', 'Cancelled')],
 116             'State', readonly=True, help='The state is set to \'Draft\', when a holiday request is created.\
 117             \nThe state is \'Waiting Approval\', when holiday request is confirmed by user.\
 118             \nThe state is \'Refused\', when holiday request is refused by manager.\
 119             \nThe state is \'Approved\', when holiday request is approved by manager.'),
 120         'user_id':fields.related('employee_id', 'user_id', type='many2one', relation='res.users', string='User', store=True),
 121         'date_from': fields.datetime('Start Date', readonly=True, states={'draft':[('readonly',False)]}, select=True),
 122         'date_to': fields.datetime('End Date', readonly=True, states={'draft':[('readonly',False)]}),
 123         'holiday_status_id': fields.many2one("hr.holidays.status", "Leave Type", required=True,readonly=True, states={'draft':[('readonly',False)]}),
 124         'employee_id': fields.many2one('hr.employee', "Employee", select=True, invisible=False, readonly=True, states={'draft':[('readonly',False)]}, help='Leave Manager can let this field empty if this leave request/allocation is for every employee'),
 125         #'manager_id': fields.many2one('hr.employee', 'Leave Manager', invisible=False, readonly=True, help='This area is automatically filled by the user who validate the leave'),
 126         #'notes': fields.text('Notes',readonly=True, states={'draft':[('readonly',False)]}),
 127         'manager_id': fields.many2one('hr.employee', 'First Approval', invisible=False, readonly=True, help='This area is automatically filled by the user who validate the leave'),
 128         'notes': fields.text('Reasons',readonly=True, states={'draft':[('readonly',False)]}),
 129         'number_of_days_temp': fields.float('Number of Days', readonly=True, states={'draft':[('readonly',False)]}),
 130         'number_of_days': fields.function(_compute_number_of_days, string='Number of Days', store=True),
 131         'case_id': fields.many2one('crm.meeting', 'Meeting'),
 132         'type': fields.selection([('remove','Leave Request'),('add','Allocation Request')], 'Request Type', required=True, readonly=True, states={'draft':[('readonly',False)]}, help="Choose 'Leave Request' if someone wants to take an off-day. \nChoose 'Allocation Request' if you want to increase the number of leaves available for someone", select=True),
 133         'parent_id': fields.many2one('hr.holidays', 'Parent'),
 134         'linked_request_ids': fields.one2many('hr.holidays', 'parent_id', 'Linked Requests',),
 135         'department_id':fields.related('employee_id', 'department_id', string='Department', type='many2one', relation='hr.department', readonly=True, store=True),
 136         'category_id': fields.many2one('hr.employee.category', "Category", help='Category of Employee'),
 137         'holiday_type': fields.selection([('employee','By Employee'),('category','By Employee Category')], 'Allocation Type', help='By Employee: Allocation/Request for individual Employee, By Employee Category: Allocation/Request for group of employees in category', required=True),
 138         'manager_id2': fields.many2one('hr.employee', 'Second Approval', readonly=True, help='This area is automaticly filled by the user who validate the leave with second level (If Leave type need second validation)'),
 139         'double_validation': fields.related('holiday_status_id', 'double_validation', type='boolean', relation='hr.holidays.status', string='Apply Double Validation'),
 140     }
 141     _defaults = {
 142         'employee_id': _employee_get,
 143         'state': 'draft',
 144         'type': 'remove',
 145         'user_id': lambda obj, cr, uid, context: uid,
 146         'holiday_type': 'employee'
 147     }
 148     _sql_constraints = [
 149         ('type_value', "CHECK( (holiday_type='employee' AND employee_id IS NOT NULL) or (holiday_type='category' AND category_id IS NOT NULL))", "You have to select an employee or a category"),
 150         ('date_check2', "CHECK ( (type='add') OR (date_from <= date_to))", "The start date must be before the end date !"),
 151         ('date_check', "CHECK ( number_of_days_temp >= 0 )", "The number of days must be greater than 0 !"),
 152     ]
 153
 154     def _create_resource_leave(self, cr, uid, leaves, context=None):
 155         '''This method will create entry in resource calendar leave object at the time of holidays validated '''
 156         obj_res_leave = self.pool.get('resource.calendar.leaves')
 157         for leave in leaves:
 158             vals = {
 159                 'name': leave.name,
 160                 'date_from': leave.date_from,
 161                 'holiday_id': leave.id,
 162                 'date_to': leave.date_to,
 163                 'resource_id': leave.employee_id.resource_id.id,
 164                 'calendar_id': leave.employee_id.resource_id.calendar_id.id
 165             }
 166             obj_res_leave.create(cr, uid, vals, context=context)
 167         return True
 168
 169     def _remove_resource_leave(self, cr, uid, ids, context=None):
 170         '''This method will create entry in resource calendar leave object at the time of holidays cancel/removed'''
 171         obj_res_leave = self.pool.get('resource.calendar.leaves')
 172         leave_ids = obj_res_leave.search(cr, uid, [('holiday_id', 'in', ids)], context=context)
 173         return obj_res_leave.unlink(cr, uid, leave_ids, context=context)
 174
 175     def onchange_type(self, cr, uid, ids, holiday_type):
 176         result = {'value': {'employee_id': False}}
 177         if holiday_type == 'employee':
 178             ids_employee = self.pool.get('hr.employee').search(cr, uid, [('user_id','=', uid)])
 179             if ids_employee:
 180                 result['value'] = {
 181                     'employee_id': ids_employee[0]
 182                 }
 183         return result
 184
 185     # TODO: can be improved using resource calendar method
 186     def _get_number_of_days(self, date_from, date_to):
 187         """Returns a float equals to the timedelta between two dates given as string."""
 188
 189         DATETIME_FORMAT = "%Y-%m-%d %H:%M:%S"
 190         from_dt = datetime.datetime.strptime(date_from, DATETIME_FORMAT)
 191         to_dt = datetime.datetime.strptime(date_to, DATETIME_FORMAT)
 192         timedelta = to_dt - from_dt
 193         diff_day = timedelta.days + float(timedelta.seconds) / 86400
 194         return diff_day
 195
 196     def unlink(self, cr, uid, ids, context=None):
 197         for rec in self.browse(cr, uid, ids, context=context):
 198             if rec.state<>'draft':
 199                 raise osv.except_osv(_('Warning!'),_('You cannot delete a leave which is not in draft state !'))
 200         return super(hr_holidays, self).unlink(cr, uid, ids, context)
 201
 202     def onchange_date_from(self, cr, uid, ids, date_to, date_from):
 203         result = {}
 204         if date_to and date_from:
 205             diff_day = self._get_number_of_days(date_from, date_to)
 206             result['value'] = {
 207                 'number_of_days_temp': round(diff_day)+1
 208             }
 209             return result
 210         result['value'] = {
 211             'number_of_days_temp': 0,
 212         }
 213         return result
 214
 215     def onchange_sec_id(self, cr, uid, ids, status, context=None):
 216         warning = {}
 217         double_validation = False
 218         obj_holiday_status = self.pool.get('hr.holidays.status')
 219         if status:
 220             holiday_status = obj_holiday_status.browse(cr, uid, status, context=context)
 221             double_validation = holiday_status.double_validation
 222             if holiday_status.categ_id and holiday_status.categ_id.section_id and not holiday_status.categ_id.section_id.allow_unlink:
 223                 warning = {
 224                     'title': "Warning for ",
 225                     'message': "You won\'t be able to cancel this leave request because the CRM Sales Team of the leave type disallows."
 226                 }
 227         return {'warning': warning, 'value': {'double_validation': double_validation}}
 228
 229     def set_to_draft(self, cr, uid, ids, context=None):
 230         self.write(cr, uid, ids, {
 231             'state': 'draft',
 232             'manager_id': False,
 233             'manager_id2': False,
 234         })
 235         wf_service = netsvc.LocalService("workflow")
 236         for id in ids:
 237             wf_service.trg_delete(uid, 'hr.holidays', id, cr)
 238             wf_service.trg_create(uid, 'hr.holidays', id, cr)
 239         to_unlink = []
 240         for record in self.browse(cr, uid, ids, context=context):
 241             for record2 in record.linked_request_ids:
 242                 self.set_to_draft(cr, uid, [record2.id], context=context)
 243                 to_unlink.append(record2.id)
 244         if to_unlink:
 245             self.unlink(cr, uid, to_unlink, context=context)
 246         return True
 247
 248     def holidays_validate(self, cr, uid, ids, context=None):
 249         self.check_holidays(cr, uid, ids, context=context)
 250         obj_emp = self.pool.get('hr.employee')
 251         ids2 = obj_emp.search(cr, uid, [('user_id', '=', uid)])
 252         manager = ids2 and ids2[0] or False
 253         return self.write(cr, uid, ids, {'state':'validate1', 'manager_id': manager})
 254
 255     def holidays_validate2(self, cr, uid, ids, context=None):
 256         self.check_holidays(cr, uid, ids, context=context)
 257         obj_emp = self.pool.get('hr.employee')
 258         ids2 = obj_emp.search(cr, uid, [('user_id', '=', uid)])
 259         manager = ids2 and ids2[0] or False
 260         self.write(cr, uid, ids, {'state':'validate'})
 261         data_holiday = self.browse(cr, uid, ids)
 262         holiday_ids = []
 263         for record in data_holiday:
 264             if record.holiday_status_id.double_validation:
 265                 holiday_ids.append(record.id)
 266             if record.holiday_type == 'employee' and record.type == 'remove':
 267                 meeting_obj = self.pool.get('crm.meeting')
 268                 vals = {
 269                     'name': record.name,
 270                     'categ_id': record.holiday_status_id.categ_id.id,
 271                     'duration': record.number_of_days_temp * 8,
 272                     'description': record.notes,
 273                     'user_id': record.user_id.id,
 274                     'date': record.date_from,
 275                     'end_date': record.date_to,
 276                     'date_deadline': record.date_to,
 277                 }
 278                 case_id = meeting_obj.create(cr, uid, vals)
 279                 self._create_resource_leave(cr, uid, [record], context=context)
 280                 self.write(cr, uid, ids, {'case_id': case_id})
 281             elif record.holiday_type == 'category':
 282                 emp_ids = obj_emp.search(cr, uid, [('category_ids', 'child_of', [record.category_id.id])])
 283                 leave_ids = []
 284                 for emp in obj_emp.browse(cr, uid, emp_ids):
 285                     vals = {
 286                         'name': record.name,
 287                         'type': record.type,
 288                         'holiday_type': 'employee',
 289                         'holiday_status_id': record.holiday_status_id.id,
 290                         'date_from': record.date_from,
 291                         'date_to': record.date_to,
 292                         'notes': record.notes,
 293                         'number_of_days_temp': record.number_of_days_temp,
 294                         'parent_id': record.id,
 295                         'employee_id': emp.id
 296                     }
 297                     leave_ids.append(self.create(cr, uid, vals, context=None))
 298                 wf_service = netsvc.LocalService("workflow")
 299                 for leave_id in leave_ids:
 300                     wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'confirm', cr)
 301                     wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'validate', cr)
 302                     wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'second_validate', cr)
 303         if holiday_ids:
 304             self.write(cr, uid, holiday_ids, {'manager_id2': manager})
 305         return True
 306
 307     def holidays_confirm(self, cr, uid, ids, context=None):
 308         self.check_holidays(cr, uid, ids, context=context)
 309         return self.write(cr, uid, ids, {'state':'confirm'})
 310
 311     def holidays_refuse(self, cr, uid, ids, approval, context=None):
 312         obj_emp = self.pool.get('hr.employee')
 313         ids2 = obj_emp.search(cr, uid, [('user_id', '=', uid)])
 314         manager = ids2 and ids2[0] or False
 315         if approval == 'first_approval':
 316             self.write(cr, uid, ids, {'state': 'refuse', 'manager_id': manager})
 317         else:
 318             self.write(cr, uid, ids, {'state': 'refuse', 'manager_id2': manager})
 319         self.holidays_cancel(cr, uid, ids, context=context)
 320         return True
 321
 322     def holidays_cancel(self, cr, uid, ids, context=None):
 323         obj_crm_meeting = self.pool.get('crm.meeting')
 324         for record in self.browse(cr, uid, ids):
 325             # Delete the meeting
 326             if record.case_id:
 327                 obj_crm_meeting.unlink(cr, uid, [record.case_id.id])
 328
 329             # If a category that created several holidays, cancel all related
 330             wf_service = netsvc.LocalService("workflow")
 331             for request in record.linked_request_ids or []:
 332                 wf_service.trg_validate(uid, 'hr.holidays', request.id, 'cancel', cr)
 333
 334         self._remove_resource_leave(cr, uid, ids, context=context)
 335         return True
 336
 337     def check_holidays(self, cr, uid, ids, context=None):
 338         holi_status_obj = self.pool.get('hr.holidays.status')
 339         for record in self.browse(cr, uid, ids):
 340             if record.holiday_type == 'employee' and record.type == 'remove':
 341                 if record.employee_id and not record.holiday_status_id.limit:
 342                     leaves_rest = holi_status_obj.get_days( cr, uid, [record.holiday_status_id.id], record.employee_id.id, False)[record.holiday_status_id.id]['remaining_leaves']
 343                     if leaves_rest < record.number_of_days_temp:
 344                         raise osv.except_osv(_('Warning!'),_('You cannot validate leaves for employee %s: too few remaining days (%s).') % (record.employee_id.name, leaves_rest))
 345         return True
 346 hr_holidays()
 347
 348 class resource_calendar_leaves(osv.osv):
 349     _inherit = "resource.calendar.leaves"
 350     _description = "Leave Detail"
 351     _columns = {
 352         'holiday_id': fields.many2one("hr.holidays", "Holiday"),
 353     }
 354
 355 resource_calendar_leaves()
 356
 357
 358 class hr_employee(osv.osv):
 359    _inherit="hr.employee"
 360
 361    def _set_remaining_days(self, cr, uid, empl_id, name, value, arg, context=None):
 362         employee = self.browse(cr, uid, empl_id, context=context)
 363         diff = value - employee.remaining_leaves
 364         type_obj = self.pool.get('hr.holidays.status')
 365         holiday_obj = self.pool.get('hr.holidays')
 366         # Find for holidays status
 367         status_ids = type_obj.search(cr, uid, [('limit', '=', False)], context=context)
 368         if len(status_ids) != 1 :
 369             raise osv.except_osv(_('Warning !'),_("To use this feature, you must have only one leave type without the option 'Allow to Override Limit' set. (%s Found).") % (len(status_ids)))
 370         status_id = status_ids and status_ids[0] or False
 371         if not status_id:
 372             return False
 373         if diff > 0:
 374             leave_id = holiday_obj.create(cr, uid, {'name': _('Allocation for %s') % employee.name, 'employee_id': employee.id, 'holiday_status_id': status_id, 'type': 'add', 'holiday_type': 'employee', 'number_of_days_temp': diff}, context=context)
 375         elif diff < 0:
 376             leave_id = holiday_obj.create(cr, uid, {'name': _('Leave Request for %s') % employee.name, 'employee_id': employee.id, 'holiday_status_id': status_id, 'type': 'remove', 'holiday_type': 'employee', 'number_of_days_temp': abs(diff)}, context=context)
 377         else:
 378             return False
 379         wf_service = netsvc.LocalService("workflow")
 380         wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'confirm', cr)
 381         wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'validate', cr)
 382         wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'second_validate', cr)
 383         return True
 384
 385    def _get_remaining_days(self, cr, uid, ids, name, args, context=None):
 386         cr.execute("""SELECT
 387                 sum(h.number_of_days) as days,
 388                 h.employee_id
 389             from
 390                 hr_holidays h
 391                 join hr_holidays_status s on (s.id=h.holiday_status_id)
 392             where
 393                 h.state='validate' and
 394                 s.limit=False and
 395                 h.employee_id in (%s)
 396             group by h.employee_id"""% (','.join(map(str,ids)),) )
 397         res = cr.dictfetchall()
 398         remaining = {}
 399         for r in res:
 400             remaining[r['employee_id']] = r['days']
 401         for employee_id in ids:
 402             if not remaining.get(employee_id):
 403                 remaining[employee_id] = 0.0
 404         return remaining
 405
 406    def _get_leave_status(self, cr, uid, ids, name, args, context=None):
 407         holidays_id = self.pool.get('hr.holidays').search(cr, uid,
 408            [('employee_id', 'in', ids), ('date_from','<=',time.strftime('%Y-%m-%d %H:%M:%S')),
 409             ('date_to','>=',time.strftime('%Y-%m-%d %H:%M:%S')),('type','=','remove'),('state','not in',('cancel','refuse'))],
 410            context=context)
 411         result = {}
 412         for id in ids:
 413             result[id] = {
 414                 'current_leave_state': False,
 415                 'current_leave_id': False,
 416             }
 417         for holiday in self.pool.get('hr.holidays').browse(cr, uid, holidays_id, context=context):
 418             result[holiday.employee_id.id]['current_leave_state'] = holiday.state
 419             result[holiday.employee_id.id]['current_leave_id'] = holiday.holiday_status_id.id
 420         return result
 421
 422    _columns = {
 423         'remaining_leaves': fields.function(_get_remaining_days, string='Remaining Legal Leaves', fnct_inv=_set_remaining_days, type="float", help='Total number of legal leaves allocated to this employee, change this value to create allocation/leave requests.'),
 424         'current_leave_state': fields.function(_get_leave_status, multi="leave_status", string="Current Leave Status", type="selection",
 425             selection=[('draft', 'New'), ('confirm', 'Waiting Approval'), ('refuse', 'Refused'),
 426             ('validate1', 'Waiting Second Approval'), ('validate', 'Approved'), ('cancel', 'Cancelled')]),
 427         'current_leave_id': fields.function(_get_leave_status, multi="leave_status", string="Current Leave Type",type='many2one', relation='hr.holidays.status'),
 428         'last_login': fields.related('user_id', 'date', type='datetime', string='Latest Connection', readonly=1)
 429     }
 430
 431 hr_employee()
 432
 433 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: