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How to use iPreview method in fMBT

Best Python code snippet using fMBT_python

overview.py

Source:overview.py

1from AccessControl import getSecurityManager2from five import grok3from opengever.base.browser.helper import get_css_class4from opengever.document.document import IDocumentSchema5from opengever.document.interfaces import ICheckinCheckoutManager6from opengever.ogds.base.interfaces import IContactInformation7from opengever.tabbedview.browser.tabs import OpengeverTab8from plone.directives.dexterity import DisplayForm9from zope.component import getUtility, queryMultiAdapter10try:11    from opengever.pdfconverter.behaviors.preview import IPreviewMarker12    from opengever.pdfconverter.behaviors.preview import IPreview13    from opengever.pdfconverter.behaviors.preview import \14        CONVERSION_STATE_READY15    PDFCONVERTER_AVAILABLE = True16except ImportError:17    PDFCONVERTER_AVAILABLE = False18class Overview(DisplayForm, OpengeverTab):19    grok.context(IDocumentSchema)20    grok.name('tabbedview_view-overview')21    grok.template('overview')22    show_searchform = False23    def creator_link(self):24        info = getUtility(IContactInformation)25        return info.render_link(self.context.Creator())26    def checked_out_link(self):27        manager = queryMultiAdapter(28            (self.context, self.request), ICheckinCheckoutManager)29        if manager.checked_out():30            info = getUtility(IContactInformation)31            return info.render_link(manager.checked_out())32        return None33    def get_css_class(self):34        return get_css_class(self.context)35    def is_preview_supported(self):36        # XXX TODO: should be persistent called two times37        if PDFCONVERTER_AVAILABLE:38            return IPreviewMarker.providedBy(self.context)39        return False40    def is_pdf_download_available(self):41        if self.is_preview_supported():42            if IPreview(43                self.context).conversion_state == CONVERSION_STATE_READY:44                return True45        return False46    def is_checkout_and_edit_available(self):47        manager = queryMultiAdapter(48            (self.context, self.request), ICheckinCheckoutManager)49        if manager.checked_out():50            if manager.checked_out() == \51                    getSecurityManager().getUser().getId():52                return True53            else:54                return False55        return manager.is_checkout_allowed()56    def is_download_copy_available(self):57        """Disable copy link when the document is checked58        out by an other user."""59        manager = queryMultiAdapter(60            (self.context, self.request), ICheckinCheckoutManager)61        if manager.checked_out():62            if manager.checked_out() != getSecurityManager().getUser().getId():63                return False...

indexers.py

Source:indexers.py

1from Acquisition import aq_base2from plone.dexterity.interfaces import IDexterityContent3from plone.indexer.decorator import indexer4from plone.volto.behaviors.preview import IPreview5@indexer(IPreview)6def hasPreviewImage(obj):7    """8    Indexer for knowing in a catalog search if a content with the IPreview behavior has9    a preview_image10    """11    if obj.aq_base.preview_image:12        return True13    return False14@indexer(IDexterityContent)15def image_field_indexer(obj):16    """Indexer for knowing in a catalog search if a content has any image."""17    base_obj = aq_base(obj)18    image_field = ""19    if getattr(base_obj, "preview_image", False):20        image_field = "preview_image"21    elif getattr(base_obj, "image", False):22        image_field = "image"...

metadata.py

Source:metadata.py

1# -*- coding: utf-8 -*-2# Copyright (c) 2013  Infrae. All rights reserved.3# See also LICENSE.txt4from five import grok5from Products.SilvaMetadata.Binding import DefaultMetadataBindingFactory6from silva.core.interfaces import IGhostAware7from silva.core.views.interfaces import IPreviewLayer8class GhostMetadataBindingFactory(DefaultMetadataBindingFactory):9    grok.context(IGhostAware)10    read_only = True11    def get_content(self):12        haunted = self.context.get_haunted()13        if haunted is not None:14            if IPreviewLayer.providedBy(haunted.REQUEST):15                return haunted.get_previewable()16            return haunted.get_viewable()...

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