form.py 1.63 KB
import os
import yaml
import colander
import deform
from .template import default_dir
from .panel import Panel


schema = colander.Schema()


def read_yml(name, search_path):
    yml_file = name + '.yml'
    full_path = None
    for path in search_path:
        full_path = os.path.join(path, yml_file)
        if os.path.exists(full_path):
            break
    if not full_path:
        raise Exception(f'File {yml_file} tidak ditemukan')
    with open(full_path) as f:
        return yaml.safe_load(f)


class Form(deform.Form):
    def render_children(self, fields):
        r = []
        for field_id in fields:
            t = field_id.split()
            field_id = t[0]
            if t[1:]:
                self[field_id].my_class = t[1]
            else:
                self[field_id].my_class = None
            # templates/mapping_item.pt
            field = self[field_id].render_template('mapping_item')
            r.append(field)
        return r

    def render(self, *args, **kwargs):
        yml_template = kwargs.pop('yml_template', None)
        if yml_template:
            layout = read_yml(yml_template, self.renderer.loader.search_path)
        else:
            layout = kwargs.pop('layout_struct')
        panels = []
        for title in layout:
            panel = Panel(schema)
            panel.title = title
            fields = layout[title]
            panel.my_widgets = self.render_children(fields)
            panels.append(panel.render())
        self.my_widgets = '\n'.join(panels)
        return super().render(*args, **kwargs)


search_path = [default_dir, deform.template.default_dir]
Form.set_zpt_renderer(search_path)