[ZPT] determining the value of a folder's property

Jamie greatbks@truevine.net
Sat, 5 Apr 2003 21:41:34 -0500


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I have a Dynamic folder driven navigation system set up using this:
 
<UL>
<li tal:condition= "python:len(request.PARENTS) > 2" ><a href=
"..">Return 
to parent</a></li>
 
<span tal:repeat = "subfolder python:here.objectValues('Folder')">
<li tal:condition="subfolder/navigation">    
<a tal:attributes= "href subfolder/absolute_url"
   tal:content= "subfolder/title_or_id">
   link to subfolder
</a>
</li>
</span>
</ul>
 
I have added a Boolean property (navigation) to all of my folders which
lets me determine whether a folder should show up in my menu. If I
create a folder without the navigation property it gives me an error. Is
there a way to avoid this, because I would like to have some folders not
have this property at all.
 
Also, I need a way to sort the folders that show up in the menu other
than alphabetically.
 
Thanks for your time,
 
Jamie White
 
Jamie@brobus.net

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<div class=3DSection1>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>I have a Dynamic folder driven navigation system set =
up
using this:<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&lt;UL&gt;<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&lt;<span class=3DSpellE>li</span> <span =
class=3DSpellE>tal<span
class=3DGramE>:condition</span></span>=3D &quot;<span =
class=3DSpellE>python:len</span>(<span
class=3DSpellE>request.PARENTS</span>) &gt; 2&quot; &gt;&lt;a <span =
class=3DSpellE>href</span>=3D
&quot;..&quot;&gt;Return <o:p></o:p></span></font></p>

<p class=3DMsoNormal><span class=3DGramE><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>to</span></font></span><font=
 size=3D2
face=3DArial><span style=3D'font-size:10.0pt;font-family:Arial'>
parent&lt;/a&gt;&lt;/<span =
class=3DSpellE>li</span>&gt;<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&lt;span <span class=3DSpellE>tal<span =
class=3DGramE>:repeat</span></span>
=3D &quot;subfolder <span =
class=3DSpellE>python:here.objectValues</span>('Folder')&quot;&gt;<o:p></=
o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&lt;<span class=3DSpellE>li</span> <span =
class=3DSpellE>tal<span
class=3DGramE>:condition</span></span>=3D&quot;subfolder/navigation&quot;=
&gt;<span
style=3D'mso-spacerun:yes'>&nbsp;&nbsp;&nbsp; =
</span><o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&lt;a <span class=3DSpellE>tal<span =
class=3DGramE>:attributes</span></span>=3D
&quot;<span class=3DSpellE>href</span> subfolder/<span =
class=3DSpellE>absolute_url</span>&quot;<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span style=3D'mso-spacerun:yes'>&nbsp;&nbsp; =
</span><span class=3DSpellE><span
class=3DGramE>tal:</span>content</span>=3D &quot;subfolder/<span =
class=3DSpellE>title_or_id</span>&quot;&gt;<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span style=3D'mso-spacerun:yes'>&nbsp;&nbsp; =
</span><span class=3DGramE>link</span>
to subfolder<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&lt;/a&gt;<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&lt;/<span =
class=3DSpellE>li</span>&gt;<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&lt;/span&gt;<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&lt;/<span =
class=3DSpellE>ul</span>&gt;<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>I have added a Boolean property (navigation) to all =
of my
folders which lets me determine whether a folder should show up in my =
menu. If I
create a folder without the navigation property it gives me an error. Is =
there
a way to avoid this, because I would like to have some folders not have =
this
property at <span class=3DGramE>all.</span><o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Also, I need a way to sort the folders that show up =
in the menu
other than alphabetically.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Thanks for your time,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Jamie White<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Jamie@brobus.net<o:p></o:p></span></font></p>

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