来自:http://shine-it.net/index.php/topic,16142.0.html
在openerp展示界面通常是通过定义class的view（xml文件）来实现的。
有时这种方法不能支持用户自定义字段的需求，于是就可以通过重写fields_view_get()、 read()来实现。
实例代码
# -*- coding: utf-8 -*-
from openerp.osv import osv,fields
from lxml import etree
from openerp import tools
from openerp.tools import to_xml
class AnalysisQuestionnaireType(osv.osv):
_name = ‘analysis.questionnaire.type‘
_description = ‘问卷类型‘
_columns = {
‘name‘: fields.char(‘名称‘, size=125, required=True),
‘analysis_set‘: fields.many2many(‘analysis.title.set‘, id1=‘analysis_questionnaire_type_id‘,
id2=‘analysis_title_set_id‘, string=‘主题‘),
}
class AnalysisTitleSet(osv.osv):
_name = "analysis.title.set"
_description = "主题"
_columns = {
"name": fields.char(string="名称", size=125, required=True,),
‘analysis_questionnaire_type‘: fields.many2many(‘analysis.questionnaire.type‘,
id1=‘analysis_title_set_id‘,
id2=‘analysis_questionnaire_type_id‘,
string=‘问卷类型‘),
"analysis_title": fields.one2many(‘analysis.title‘, ‘set‘, ‘题目‘),
}
class AnalysisTitle(osv.osv):
_name = "analysis.title"
_description = "题目"
_columns = {
"name": fields.char(string="名称", size=125, required=True),
"note": fields.text("描述"),
"set": fields.many2one("analysis.title.set", string="主题", required=True),
‘type‘: fields.selection([(‘multiple_choice_only_one_ans‘, ‘单项选择‘),
(‘multiple_choice_multiple_ans‘, ‘多项选择‘),
(‘matrix_of_choices_only_one_ans‘, ‘单选组合‘),
(‘single_textbox‘, ‘单行文本框‘),
(‘multiple_textbox‘, ‘多个单行文本框‘),
(‘comment‘, ‘多行文本框‘),
(‘date‘, ‘日期框‘),
(‘date_and_time‘, ‘日期时间框‘),
(‘descriptive_text‘, ‘描述性文本‘),
(‘attachment‘, ‘附件‘),
(‘image‘, ‘图片‘),
], ‘题目类型‘, required=1,),
‘is_require_answer‘: fields.boolean(‘必填项‘),
‘option_id‘: fields.one2many(‘analysis.title.option‘, ‘title_id‘, ‘备选答案‘),
‘column_heading_ids‘: fields.one2many(‘analysis.title.column.heading‘, ‘title_id‘, ‘标题‘),
‘descriptive_text‘: fields.text(‘描述文本‘),
}
class AnalysisTitleOption(osv.osv):
_name = ‘analysis.title.option‘
_description = ‘答案选项‘
_columns = {
‘title_id‘: fields.many2one(‘analysis.title‘, ‘题目‘, ondelete=‘cascade‘),
‘option‘: fields.char(‘答案选项‘, size=128, required=True),
‘type‘: fields.selection([(‘char‘, ‘字符型‘),
(‘date‘, ‘日期‘),
(‘datetime‘, ‘日期时间型‘),
(‘integer‘, ‘整数型‘),
(‘float‘, ‘小数型‘),
(‘selection‘, ‘选择型‘)],
‘答案类型‘,
required=True),
}
class AnalysisTitleColumnHeading(osv.osv):
_name = ‘analysis.title.column.heading‘
_description = ‘选项标题‘
_columns = {
‘name‘: fields.char(‘选项标题‘, size=128, required=True),
‘title_id‘: fields.many2one(‘analysis.title‘, ‘题目‘, ondelete=‘cascade‘),
}
class AnalysisAnswer(osv.osv):
_name = ‘analysis.answer‘
_description = ‘答案‘
_columns = {
‘analysis_questionnaire‘: fields.many2one(‘analysis.questionnaire‘, ‘问卷‘),
‘value‘: fields.text(‘值‘)
}
class AnalysisQuestionnaire(osv.osv):
_name = ‘analysis.questionnaire‘
_description = ‘分析问卷‘
_columns = {
"name": fields.char(string=‘名称‘, size=125, required=True),
‘type‘: fields.many2one(‘analysis.questionnaire.type‘, string=‘类型‘, required=True),
‘title‘: fields.one2many(‘analysis.answer‘, "analysis_questionnaire", "答案"),
}
def default_get(self, cr, uid, fields_list, context=None):
default = super(AnalysisQuestionnaire, self).default_get(cr, uid, fields_list, context=context)
con = context.get(‘type‘)
default[‘type‘] = con
return default
def view_init(self, cr, uid, fields_list, context=None):
pass
def fields_view_get(self, cr, uid, view_id=None, view_type=‘form‘, context=None, toolbar=False, submenu=False,):
if context is None:
context = {}
result = super(AnalysisQuestionnaire, self).fields_view_get(cr, uid, view_id,
view_type=view_type, context=context,
toolbar=toolbar, submenu=submenu)
if view_type == ‘form‘ and context.has_key(‘type‘):
view = etree.fromstring(result[‘arch‘])
fields = result[‘fields‘]
print etree.tostring(view)
notebook = etree.SubElement(view, ‘notebook‘)
sets = self.pool.get(‘analysis.questionnaire.type‘).browse(cr, uid, context[‘type‘]).analysis_set
q_no = 0
for set in sets:
page = etree.SubElement(notebook, ‘page‘, string=set.name)
for title in set.analysis_title:
q_no += 1
etree.SubElement(page, ‘newline‘)
if title.is_require_answer:
etree.SubElement(page, ‘separator‘, {‘string‘: ‘*‘+tools.ustr(q_no)+‘.‘+tools.ustr(title.name)})
else:
etree.SubElement(page, ‘separator‘, {‘string‘: tools.ustr(q_no)+‘.‘+tools.ustr(title.name)})
if title.type == ‘multiple_choice_only_one_ans‘:
parent = etree.SubElement(page, ‘group‘)
selection = []
for option in title.option_id:
selection.append((tools.ustr(option.id), option.option))
fields[‘title‘+‘_‘+tools.ustr(title.id)+‘_selection‘] = {‘type‘: ‘selection‘,
‘selection‘: selection,
‘name‘: title.name}
etree.SubElement(parent, ‘field‘, {‘name‘: ‘title‘+‘_‘+tools.ustr(title.id)+‘_selection‘})
elif title.type == ‘multiple_choice_multiple_ans‘:
parent = etree.SubElement(page, ‘group‘, {‘col‘: ‘4‘, ‘colspan‘: ‘4‘})
for option in title.option_id:
etree.SubElement(parent, ‘field‘, {‘name‘: ‘title‘+‘_‘+tools.ustr(title.id)+‘-‘+‘option‘+‘_‘
+ tools.ustr(option.id)})
fields[‘title‘+‘_‘+tools.ustr(title.id)+‘-‘+‘option‘+‘_‘
+ tools.ustr(option.id)] = {‘type‘: ‘boolean‘, ‘string‘: option.option}
elif title.type == ‘matrix_of_choices_only_one_ans‘:
parent = etree.SubElement(page, ‘group‘, {‘col‘: ‘2‘, ‘colspan‘: ‘2‘})
selection = []
for option in title.option_id:
selection.append((tools.ustr(option.id), option.option))
for col in title.column_heading_ids:
etree.SubElement(parent, ‘newline‘)
etree.SubElement(parent, ‘field‘, {‘name‘: ‘title‘+‘_‘+tools.ustr(title.id)+‘-‘+‘col‘+‘_‘
+ tools.ustr(col.id),
})
fields[‘title‘+‘_‘+tools.ustr(title.id)+‘-‘+‘col‘+‘_‘
+ tools.ustr(col.id)] = {‘type‘: ‘selection‘, ‘selection‘: selection}
elif title.type == ‘single_textbox‘:
parent = etree.SubElement(page, ‘group‘,)
etree.SubElement(parent, ‘field‘, {‘name‘: ‘title‘+‘_‘+tools.ustr(title.id) + "_single",
‘nolabel‘: "1",
‘colspan‘: "4"})
fields[‘title‘+‘_‘+tools.ustr(title.id) + "_single"] = {‘type‘: ‘char‘, ‘size‘: 255}
elif title.type == ‘multiple_textbox‘:
parent = etree.SubElement(page, ‘group‘, {‘col‘: ‘4‘, ‘colspan‘: ‘4‘})
for col in title.column_heading_ids:
fields[‘title‘+‘_‘+tools.ustr(title.id)+‘-‘+‘col‘+‘_‘+tools.ustr(col.id)] = {‘type‘: ‘char‘,
‘size‘: 255}
etree.SubElement(parent, ‘field‘, {‘width‘: ‘300‘,
‘colspan‘: ‘1‘,
‘name‘: ‘title‘+‘_‘+tools.ustr(title.id)+‘-‘+‘col‘+‘_‘
+ tools.ustr(col.id)})
elif title.type == ‘comment‘:
parent = etree.SubElement(page, ‘group‘)
etree.SubElement(parent, ‘field‘, {‘name‘: ‘title‘+‘_‘+tools.ustr(title.id) + "_comment",
‘nolabel‘: "1",
‘colspan‘: "4"})
fields[‘title‘+‘_‘+tools.ustr(title.id) + "_comment"] = {‘type‘: ‘text‘}
elif title.type == ‘date‘:
parent = etree.SubElement(page, ‘group‘, {‘col‘: ‘4‘, ‘colspan‘: ‘4‘})
for col in title.column_heading_ids:
fields[‘title‘+‘_‘+tools.ustr(title.id)+‘-‘+‘col‘+‘_‘+tools.ustr(col.id)] = {‘type‘: ‘date‘}
etree.SubElement(parent, ‘field‘, {‘name‘: ‘title‘+‘_‘+tools.ustr(title.id)+‘-‘+‘col‘+‘_‘
+ tools.ustr(col.id)})
elif title.type == ‘date_and_time‘:
parent = etree.SubElement(page, ‘group‘, {‘col‘: ‘4‘, ‘colspan‘: ‘4‘})
for col in title.column_heading_ids:
fields[‘title‘+‘_‘+tools.ustr(title.id)+‘-‘
+ ‘col‘+‘_‘+tools.ustr(col.id)] = {‘type‘: ‘datetime‘}
etree.SubElement(parent, ‘field‘, {‘name‘: ‘title‘+‘_‘+tools.ustr(title.id)+‘-‘+‘col‘+‘_‘
+ tools.ustr(col.id)})
elif title.type == ‘attachment‘:
parent = etree.SubElement(page, ‘group‘,)
fields[‘title‘+‘_‘+tools.ustr(title.id)+‘_attachment‘] = {‘type‘: ‘binary‘}
etree.SubElement(parent, ‘field‘, {‘name‘: ‘title‘+‘_‘+tools.ustr(title.id)+‘_attachment‘})
elif title.type == ‘descriptive_text‘:
parent = etree.SubElement(page, ‘group‘)
if title.descriptive_text:
for que_test in title.descriptive_text.split(‘\n‘):
etree.SubElement(parent, ‘label‘, {‘string‘: to_xml(tools.ustr(que_test)),
‘align‘: "0.0"})
elif title.type == ‘image‘:
parent = etree.SubElement(page, ‘group‘,)
fields[‘title‘+‘_‘+tools.ustr(title.id)+‘_image‘] = {‘type‘: ‘binary‘}
etree.SubElement(parent, ‘field‘, {‘name‘: ‘title‘+‘_‘+tools.ustr(title.id)+‘_image‘,
‘widget‘: ‘image‘})
result[‘arch‘] = etree.tostring(view)
return result
def create(self, cr, uid, vals, context=None):
answer_obj = self.pool.get("analysis.answer")
questionnaire_vals = {‘name‘: vals.get(‘name‘), ‘type‘: vals.get(‘type‘)}
vals.pop(‘name‘, "not name")
vals.pop(‘type‘, ‘not type‘)
answer_vals = {}
questionnaire_id = super(AnalysisQuestionnaire, self).create(cr, uid, questionnaire_vals, context=context)
answer_vals[‘analysis_questionnaire‘] = questionnaire_id
answer_vals[‘value‘] = vals
answer_obj.create(cr, uid, answer_vals, context=context)
return questionnaire_id
def read(self, cr, user, ids, fields=None, context=None, load=‘_classic_read‘):
result = super(AnalysisQuestionnaire, self).read(cr, user, ids, fields=fields, context=context, load=load)
answer_obj = self.pool.get(‘analysis.answer‘)
i = 0
while i < len(result):
answer_list = answer_obj.search(cr, user, [(‘analysis_questionnaire‘, ‘=‘, result[‘id‘])])
if answer_list:
val = eval(answer_obj.read(cr, user, answer_list, [‘value‘], context=context)[0][‘value‘])
result.update(val)
i += 1
return result
上述代码用户可以自己定义问卷题目及题目类型。通过fields_view_get()画出view，然后把动态构建的字段及其值通过重写create() 把数据存储到另外一个表里。这里用的是一个text字段把create返回的值直接存储起来的。当需要查看保存过的数据时，通过重写read()整理成需要的数据格式返回。
OPENERP 构建动态视图
时间： 2024-10-30 13:33:58