simahawk/advancedpage.py

## advancedpage.py
#-*- coding: utf-8 -*-

from Acquisition import aq_inner
from Acquisition import aq_base

from five import grok

from zope import schema
from zope.component import getMultiAdapter


from plone.dexterity.content import Container
from plone.directives import form
from plone.namedfile.interfaces import IImageScaleTraversable

from plone.outputfilters.interfaces import IFilter
from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate

# fake message factory
_ = lambda x: x


# Interface class; used to define content-type schema.

class IAdvancedPage(form.Schema, IImageScaleTraversable):
    """
    An advanced page with some goodies
    """

    body = schema.Text(
        title=_(u"Body"),
        description=_(
            u"Fill in the body of the page. Supports TAL templating."
        ),
        required=True,
        default=u""
    )


class AdvancedPage(Container):
    grok.implements(IAdvancedPage)

    # Add your class methods and properties here
    def body_compile(self):
        if not self.body:
            return ''
        pt = ZopePageTemplate(id='__adv_page_tal_body__')
        pt.pt_edit(self.body, 'text/html')
        context = aq_inner(self)
        pt = aq_base(pt).__of__(context)
        # request is taken by acquisition
        return pt()


class AdvancedPageView(grok.View):
    """AdvancedPage view class """

    grok.context(IAdvancedPage)
    grok.require('zope2.View')

    grok.name('view')

    def body(self):
        text = self.context.body_compile()
        # encode text before to resolve uids
        if isinstance(text, unicode):
            text = text.encode('utf-8')

        # trasform resolveuid link to absolute path
        _filter = getMultiAdapter(
            (self.context, self.request),
            IFilter, name="resolveuid_and_caption")
        try:
            text = _filter(text)
        except AttributeError:
            # Something wrong happend
            # perhaps image scale doesn't exists
            pass
        return text.decode('utf-8')

## view.pt
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
      xmlns:tal="http://xml.zope.org/namespaces/tal"
      xmlns:metal="http://xml.zope.org/namespaces/metal"
      xmlns:i18n="http://xml.zope.org/namespaces/i18n"
      lang="en"
      metal:use-macro="context/main_template/macros/master"
      i18n:domain="my.package">
<body>

<metal:main fill-slot="main">
    <div tal:replace="structure view/body">The body of the page </div>
</metal:main>

</body>
</html>
	#-- coding: utf-8 --

	from Acquisition import aq_inner
	from Acquisition import aq_base

	from five import grok

	from zope import schema
	from zope.component import getMultiAdapter


	from plone.dexterity.content import Container
	from plone.directives import form
	from plone.namedfile.interfaces import IImageScaleTraversable

	from plone.outputfilters.interfaces import IFilter
	from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate

	# fake message factory
	_ = lambda x: x


	# Interface class; used to define content-type schema.

	class IAdvancedPage(form.Schema, IImageScaleTraversable):
	"""
	An advanced page with some goodies
	"""

	body = schema.Text(
	title=_(u"Body"),
	description=_(
	u"Fill in the body of the page. Supports TAL templating."
	),
	required=True,
	default=u""
	)


	class AdvancedPage(Container):
	grok.implements(IAdvancedPage)

	# Add your class methods and properties here
	def body_compile(self):
	if not self.body:
	return ''
	pt = ZopePageTemplate(id='__adv_page_tal_body__')
	pt.pt_edit(self.body, 'text/html')
	context = aq_inner(self)
	pt = aq_base(pt).__of__(context)
	# request is taken by acquisition
	return pt()


	class AdvancedPageView(grok.View):
	"""AdvancedPage view class """

	grok.context(IAdvancedPage)
	grok.require('zope2.View')

	grok.name('view')

	def body(self):
	text = self.context.body_compile()
	# encode text before to resolve uids
	if isinstance(text, unicode):
	text = text.encode('utf-8')

	# trasform resolveuid link to absolute path
	_filter = getMultiAdapter(
	(self.context, self.request),
	IFilter, name="resolveuid_and_caption")
	try:
	text = _filter(text)
	except AttributeError:
	# Something wrong happend
	# perhaps image scale doesn't exists
	pass
	return text.decode('utf-8')
	<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
	xmlns:tal="http://xml.zope.org/namespaces/tal"
	xmlns:metal="http://xml.zope.org/namespaces/metal"
	xmlns:i18n="http://xml.zope.org/namespaces/i18n"
	lang="en"
	metal:use-macro="context/main_template/macros/master"
	i18n:domain="my.package">
	<body>

	<metal:main fill-slot="main">
	<div tal:replace="structure view/body">The body of the page </div>
	</metal:main>

	</body>
	</html>