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1 """navigation components definition for CubicWeb web client |
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2 |
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3 :organization: Logilab |
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4 :copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
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5 :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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6 """ |
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7 __docformat__ = "restructuredtext en" |
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8 |
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9 from logilab.mtconverter import html_escape |
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10 |
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11 from cubicweb.interfaces import IBreadCrumbs |
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12 from cubicweb.common.selectors import (contextprop_selector, onelinerset_selector, |
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13 interface_selector) |
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14 from cubicweb.common.view import EntityView |
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15 from cubicweb.common.uilib import cut |
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16 # don't use AnyEntity since this may cause bug with isinstance() due to reloading |
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17 from cubicweb.common.entity import Entity |
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18 from cubicweb.web.component import EntityVComponent |
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19 |
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20 _ = unicode |
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21 |
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22 def bc_title(entity): |
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23 textsize = entity.req.property_value('navigation.short-line-size') |
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24 return html_escape(cut(entity.dc_title(), textsize)) |
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25 |
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26 |
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27 class BreadCrumbEntityVComponent(EntityVComponent): |
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28 id = 'breadcrumbs' |
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29 # register msg not generated since no entity implements IPrevNext in cubicweb itself |
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30 title = _('contentnavigation_breadcrumbs') |
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31 help = _('contentnavigation_breadcrumbs_description') |
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32 __selectors__ = (onelinerset_selector, contextprop_selector, interface_selector) |
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33 accepts_interfaces = (IBreadCrumbs,) |
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34 context = 'navtop' |
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35 order = 5 |
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36 visible = False |
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37 separator = u' > ' |
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38 |
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39 def call(self, view=None, first_separator=True): |
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40 entity = self.entity(0) |
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41 path = entity.breadcrumbs(view) |
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42 if path: |
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43 self.w(u'<span class="pathbar">') |
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44 if first_separator: |
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45 self.w(self.separator) |
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46 root = path.pop(0) |
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47 if isinstance(root, Entity): |
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48 self.w(u'<a href="%s">%s</a>' % (self.req.build_url(root.id), |
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49 root.dc_type('plural'))) |
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50 self.w(self.separator) |
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51 self.wpath_part(root, entity, not path) |
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52 for i, parent in enumerate(path): |
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53 self.w(self.separator) |
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54 self.w(u"\n") |
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55 self.wpath_part(parent, entity, i == len(path) - 1) |
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56 self.w(u'</span>') |
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57 |
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58 def wpath_part(self, part, contextentity, last=False): |
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59 if isinstance(part, Entity): |
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60 if last and part.eid == contextentity.eid: |
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61 self.w(bc_title(part)) |
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62 else: |
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63 part.view('breadcrumbs', w=self.w) |
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64 elif isinstance(part, tuple): |
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65 url, title = part |
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66 textsize = self.req.property_value('navigation.short-line-size') |
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67 self.w(u'<a href="%s">%s</a>' % ( |
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68 html_escape(url), html_escape(cut(title, textsize)))) |
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69 else: |
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70 textsize = self.req.property_value('navigation.short-line-size') |
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71 self.w(cut(unicode(part), textsize)) |
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72 |
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73 |
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74 class BreadCrumbComponent(BreadCrumbEntityVComponent): |
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75 __registry__ = 'components' |
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76 __selectors__ = (onelinerset_selector, interface_selector) |
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77 visible = True |
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78 |
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79 |
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80 class BreadCrumbView(EntityView): |
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81 id = 'breadcrumbs' |
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82 |
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83 def cell_call(self, row, col): |
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84 entity = self.entity(row, col) |
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85 desc = cut(entity.dc_description(), 50) |
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86 self.w(u'<a href="%s" title="%s">%s</a>' % (html_escape(entity.absolute_url()), |
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87 html_escape(desc), |
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88 bc_title(entity))) |