Class Form

web/form.py:30–147

r""" HTML form. >>> f = Form(Textbox("x")) >>> f.render() u' \n x \n ' >>> f.fill(x="42") True >>> f.render() u' \n <labe

class Form:
    r"""
    HTML form.

        >>> f = Form(Textbox("x"))
        >>> f.render()
        u'<table>\n    <tr><th><label for="x">x</label></th><td><input id="x" name="x" type="text"/></td></tr>\n</table>'
        >>> f.fill(x="42")
        True
        >>> f.render()
        u'<table>\n    <tr><th><label for="x">x</label></th><td><input id="x" name="x" type="text" value="42"/></td></tr>\n</table>'
    """

    def __init__(self, *inputs, **kw):
        self.inputs = inputs
        self.valid = True
        self.note = None
        self.validators = kw.pop("validators", [])

    def __call__(self, x=None):
        o = copy.deepcopy(self)
        if x:
            o.validates(x)
        return o

    def render(self):
        out = ""
        out += self.rendernote(self.note)
        out += "<table>\n"

        for i in self.inputs:
            html = (
                utils.safeunicode(i.pre)
                + i.render()
                + self.rendernote(i.note)
                + utils.safeunicode(i.post)
            )
            if i.is_hidden():
                out += '    <tr style="display: none;"><th></th><td>%s</td></tr>\n' % (
                    html
                )
            else:
                out += f'    <tr><th><label for="{net.websafe(i.id)}">{net.websafe(i.description)}</label></th><td>{html}</td></tr>\n'
        out += "</table>"
        return out

    def render_css(self):
        out = []
        out.append(self.rendernote(self.note))
        for i in self.inputs:
            if not i.is_hidden():
                out.append(
                    f'<label for="{net.websafe(i.id)}">{net.websafe(i.description)}</label>'
                )
            out.append(i.pre)
            out.append(i.render())
            out.append(self.rendernote(i.note))
            out.append(i.post)