[ADD] report_field_length

report_qweb_parameter/models/ir_qweb.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+# Copyright 2017 Creu Blanca
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import models, _
+from odoo.exceptions import ValidationError
+
+
+class IrQWeb(models.AbstractModel):
+    _inherit = 'ir.qweb'
+
+    @staticmethod
+    def check_length(value, min_length=False, max_length=False):
+        if min_length and len(value) < min_length:
+            raise ValidationError(
+                _('Length cannot be less than %s') % str(min_length))
+        if max_length and len(value) > max_length:
+            raise ValidationError(
+                _('Length cannot be more than %s') % str(max_length))
+        return value
+
+    def _compile_directive_esc(self, el, options):
+        min_value = el.attrib.pop('t-minlength', False)
+        max_value = el.attrib.pop('t-maxlength', False)
+        if min_value or max_value:
+            el.attrib['t-esc'] = 'docs.env["ir.qweb"].check_length(' + \
+                                 el.attrib['t-esc'] + ', ' + \
+                                 (min_value or 'False') + ', ' + \
+                                 (max_value or 'False') + ')'
+        if 't-length' in el.attrib:
+            length = el.attrib.pop('t-length')
+            el.attrib['t-esc'] = '(' + el.attrib[
+                't-esc'] + ')[:' + length + ']'
+        return super(IrQWeb, self)._compile_directive_esc(el, options)
+
+    def _compile_directive_raw(self, el, options):
+        min_value = el.attrib.pop('t-minlength', False)
+        max_value = el.attrib.pop('t-maxlength', False)
+        if min_value or max_value:
+            el.attrib['t-raw'] = 'docs.env["ir.qweb"].check_length(' + \
+                                 el.attrib['t-raw'] + ', ' + \
+                                 (min_value or 'False') + ', ' + \
+                                 (max_value or 'False') + ')'
+        if 't-length' in el.attrib:
+            length = el.attrib.pop('t-length')
+            el.attrib['t-raw'] = el.attrib['t-raw'] + '[:' + length + ']'
+        return super(IrQWeb, self)._compile_directive_raw(el, options)