[ADD] web_widget_dropdown_dynamic

[UPD] Update web_widget_dropdown_dynamic.pot

[UPD] Update web_widget_dropdown_dynamic_example.pot

[UPD] README.rst

[ADD] icon.png

[UPD] README.rst

web_widget_dropdown_dynamic_example/models/__init__.py

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+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from . import web_widget_dropdown_dynamic_example

web_widget_dropdown_dynamic_example/models/web_widget_dropdown_dynamic_example.py

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+# Copyright 2019 Brainbean Apps (https://brainbeanapps.com)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, fields, models
+
+
+class WebWidgetDropdownDynamicExample(models.TransientModel):
+    _name = 'web.widget.dropdown.dynamic.example'
+    _description = 'Web Widget Dropdown Dynamic Example'
+
+    name = fields.Char(
+        default='Web Widget Dropdown Dynamic Example',
+        required=True,
+    )
+
+    char_field_options = fields.Text(
+        string='Char field options',
+        default=(
+            'Option A\n'
+            'Option B\n'
+            'Option C\n'
+        ),
+    )
+    char_field = fields.Char(
+        string='Char field',
+    )
+
+    int_field_min = fields.Integer(
+        string='Int field (min)',
+        default=0,
+    )
+    int_field_max = fields.Integer(
+        string='Int field (max)',
+        default=9,
+    )
+    int_field = fields.Integer(
+        string='Int field',
+    )
+
+    selection_field_options = fields.Text(
+        string='Selection field options',
+        default=(
+            'Option A\n'
+            'Option B\n'
+            'Option C\n'
+            'Option D\n'
+        ),
+    )
+    selection_field = fields.Char(
+        string='Selection field',
+        selection=[
+            ('Option A', 'Option A'),
+            ('Option B', 'Option B'),
+            ('Option C', 'Option C'),
+        ]
+    )
+
+    @api.model
+    def values_char_field(self):
+        options = self.env.context.get('options').strip().split('\n')
+        return list(map(
+            lambda option: (option, option),
+            filter(
+                lambda option: bool(option),
+                options
+            )
+        ))
+
+    @api.model
+    def values_int_field(self):
+        min_value = int(self.env.context.get('min'))
+        max_value = int(self.env.context.get('max'))
+        options = []
+        for value in range(min_value, max_value + 1):
+            options.append((value, str(value)))
+        return options
+
+    @api.model
+    def values_selection_field(self):
+        options = self.env.context.get('options').strip().split('\n')
+        return list(map(
+            lambda option: (option, option),
+            filter(
+                lambda option: bool(option),
+                options
+            )
+        ))