158 lines
5.7 KiB
Python
158 lines
5.7 KiB
Python
# -*- coding: utf-8 -*-
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import json
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import logging
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from odoo import api, fields, models
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try: # Odoo 各版本导出位置略有差异，双保险
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from odoo.tools import file_open
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except ImportError: # pragma: no cover
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from odoo.tools.misc import file_open
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_logger = logging.getLogger(__name__)
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TEMPLATE_FILE = 'yuthon_bpd/static/src/bpd_default.json'
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class BpdDiagram(models.Model):
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"""业务流程图主模型。
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一张图 = 若干泳道 + 若干节点 + 若干连线。坐标全部使用画布逻辑单位，
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与前端 SVG 的 viewBox 一致，因此后端只存「逻辑坐标」，渲染缩放交给前端。
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"""
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_name = 'yuthon.bpd.diagram'
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_description = '业务流程图'
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_order = 'id'
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name = fields.Char(string='名称', required=True)
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key = fields.Char(string='关键字', index=True)
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canvas_w = fields.Integer(string='画布宽', default=1560)
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canvas_h = fields.Integer(string='画布高', default=980)
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theme = fields.Text(
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string='主题配色',
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default='{}',
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help='JSON 格式配色主题，前端读取后直接映射到节点/泳道/连线',
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)
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lane_ids = fields.One2many('yuthon.bpd.lane', 'diagram_id', string='泳道')
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node_ids = fields.One2many('yuthon.bpd.node', 'diagram_id', string='节点')
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edge_ids = fields.One2many('yuthon.bpd.edge', 'diagram_id', string='连线')
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# ---------------- 模板装载 ----------------
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@api.model
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def _ensure_default_diagram(self):
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"""安装后确保存在一张示例流程图（数据来自 bpd_default.json）。"""
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if self.search_count([('key', '=', 'erp_mto')]):
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return None
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return self._load_template(TEMPLATE_FILE)
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@api.model
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def _load_template(self, path):
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try:
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with file_open(path, 'r') as f:
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data = json.load(f)
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except (IOError, OSError, ValueError) as exc:
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_logger.warning('加载 BPD 模板失败: %s', exc)
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return None
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theme = data.get('theme') or {}
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diagram = self.create({
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'name': data.get('name') or '业务流程图',
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'key': data.get('key'),
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'canvas_w': (data.get('canvas') or {}).get('width', 1560),
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'canvas_h': (data.get('canvas') or {}).get('height', 980),
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'theme': json.dumps(theme, ensure_ascii=False),
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})
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lane_map = {}
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for i, l in enumerate(data.get('lanes', [])):
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lane = self.env['yuthon.bpd.lane'].create({
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'diagram_id': diagram.id,
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'name': l.get('name', '泳道'),
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'kind': l.get('kind', 'column'),
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'x': l.get('x', 0),
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'y': l.get('y', 0),
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'w': l.get('w', 300),
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'h': l.get('h', 600),
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'head_h': l.get('head_h', 34),
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'label_pos': l.get('label_pos', 'top-center'),
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'sequence': i,
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})
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lane_map[l.get('name')] = lane.id
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node_map = {}
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for i, n in enumerate(data.get('nodes', [])):
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node = self.env['yuthon.bpd.node'].create({
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'diagram_id': diagram.id,
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'lane_id': lane_map.get(n.get('lane')) or False,
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'label': n.get('label', ''),
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'sub': n.get('sub', ''),
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'x': n.get('x', 0),
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'y': n.get('y', 0),
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'w': n.get('w', 96),
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'h': n.get('h', 34),
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'shape': n.get('shape', 'box'),
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'variant': n.get('variant', 'doc'),
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'sequence': i,
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})
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node_map[n.get('id')] = node.id
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for e in data.get('edges', []):
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frm = node_map.get(e.get('from'))
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to = node_map.get(e.get('to'))
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if not frm or not to:
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continue
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self.env['yuthon.bpd.edge'].create({
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'diagram_id': diagram.id,
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'from_id': frm,
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'to_id': to,
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'label': e.get('label', ''),
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'style': e.get('style', 'solid'),
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})
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_logger.info('已装载 BPD 示例流程图 key=%s', data.get('key'))
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return diagram
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# ---------------- 序列化 ----------------
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def to_json(self):
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self.ensure_one()
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try:
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theme = json.loads(self.theme or '{}') if self.theme else {}
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except (ValueError, TypeError):
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theme = {}
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return {
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'id': self.id,
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'name': self.name,
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'key': self.key or '',
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'canvas': {'width': self.canvas_w, 'height': self.canvas_h},
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'theme': theme,
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'lanes': [{
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'id': l.id,
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'name': l.name,
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'kind': l.kind,
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'x': l.x, 'y': l.y, 'w': l.w, 'h': l.h,
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'head_h': l.head_h,
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'label_pos': l.label_pos,
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} for l in self.lane_ids],
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'nodes': [n.to_json() for n in self.node_ids],
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'edges': [e.to_json() for e in self.edge_ids],
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}
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@api.model
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def get_default(self):
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"""前端拿图：优先 key=erp_mto，否则取第一张。"""
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rec = self.search([('key', '=', 'erp_mto')], limit=1) \
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or self.search([], limit=1, order='id')
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return rec.to_json() if rec else None
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# ---------------- 入口：后台跳前端 ----------------
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def action_open_visual(self):
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"""后台表单按钮：在新标签打开该图的可视化编辑页（带 diagram id）。"""
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self.ensure_one()
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return {
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'type': 'ir.actions.act_url',
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'url': '/yuthon_bpd/static/src/bpd_view.html?id=%s' % self.id,
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'target': 'new',
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}
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