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| autocoder | One of the fields in my schema is a URI. I am struggling with two aspects of this field. First, I want the edit view to present it as a drop-down and the options should be the contents of a specific folder in my application namespace. Second, when I display the content object, I want to include the page referenced by the URI in my page, not just the URI. Can anybody offer any advice on either of these problems? | 06:02 |
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| romanofski | moin | 09:35 |
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| autocoder | philiKON, I have your book. It has been a help. I have some questions that as of page 184 are not answered. One of the fields in my schema is a URI. I am struggling with two aspects of this field. First, I want the edit view to present it as a drop-down and the options should be the contents of a specific folder in my application namespace. Second, when I display the content object, I want to include the page referenced | 15:54 |
| autocoder | by the URI in my page, not just the URI. Can you offer any advice on either of these problems? | 15:54 |
| philiKON | autocoder: drop down list => Vocabularies chapter | 15:54 |
| autocoder | Thanks for that. I'll get there. | 15:55 |
| philiKON | what do you mean by "include page referenced"? | 15:55 |
| philiKON | seems like you really don't want to store URIs | 15:55 |
| philiKON | but references to other content objects | 15:55 |
| philiKON | that should be displayed as part of the view | 15:55 |
| autocoder | Maybe.... I'm still feeling my way around... | 15:56 |
| autocoder | My simple application allows the user to store an HTML page in a folder and then complete detalis of the page in the attributes of the content object. | 15:57 |
| autocoder | I then wnat to display a table fo the properties folllowed by the uploaded page. | 15:57 |
| autocoder | So, I need a URI for the page so I know what to display and then in the view I need to "dereference" the URI to collect the HTML and incorporate it. | 15:58 |
| philiKON | i don't think you need a URI | 15:58 |
| philiKON | you just want a reference | 15:58 |
| autocoder | Good news. What do you recommend? | 15:58 |
| philiKON | perhaps look at zc.extrinsicreference | 15:59 |
| philiKON | simple way of referencing other objects | 15:59 |
| autocoder | O.K., so I want a reference to the uploaded HTML page in the "listings" folder. How do I display that HTML? TAL has the "structure" statement, but I still see myself as one-level of indirection off. | 16:00 |
| philiKON | well, depends on how that page is uploaded | 16:01 |
| philiKON | structure path/to/object/data | 16:01 |
| philiKON | would do it | 16:01 |
| philiKON | assuming the object had a 'data' attribute | 16:01 |
| philiKON | (i think that's true for "File" objects) | 16:01 |
| autocoder | Do you have an exmple of uploaded content incorporated into a content object in your book anywhere? | 16:01 |
| philiKON | no | 16:02 |
| autocoder | O.K. that helps. I | 16:02 |
| autocoder | "file" object is probably what I have in "listings" | 16:02 |
| philiKON | well you should know | 16:03 |
| philiKON | it's your app | 16:03 |
| autocoder | Then there must be a property that will allow me to treat it as a string and I can TAL replace structure from there. | 16:03 |
| autocoder | I should, but I don't. :-) | 16:03 |
| philiKON | like i said | 16:03 |
| philiKON | "File" content types have ana ttribute | 16:03 |
| philiKON | that gives you access to the data | 16:03 |
| philiKON | just look at IFile | 16:03 |
| philiKON | that's what interfaces are for | 16:03 |
| autocoder | Smokin'! O.K. That give me enough to work on today. Thanks for the help. | 16:04 |
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| philiKON | autocoder: do you have the new edition, btw? | 16:04 |
| autocoder | So, new the ink is runny... :-) | 16:04 |
| philiKON | heh, cool | 16:05 |
| autocoder | I believe.... | 16:05 |
| autocoder | How do I know? | 16:05 |
| philiKON | it says "Second edition" | 16:05 |
| philiKON | on the front | 16:05 |
| autocoder | 39 figures and 10 tables? | 16:05 |
| philiKON | i have no friggin idea which edition that would be | 16:06 |
| autocoder | Crap! (Oops, that slipped...) No! | 16:06 |
| philiKON | if you don't see any green letters saying "Second edition" on the cover, then you don't :( | 16:06 |
| autocoder | It does not say "Second Edition" I have been deceived! :-) | 16:06 |
| philiKON | autocoder: i suggest you'll get the 2nd edition once it's out in the u.s. | 16:06 |
| autocoder | I will go back to Borders immediately!!! | 16:07 |
| philiKON | it's not out yet | 16:07 |
| philiKON | in the u.s. at least | 16:07 |
| autocoder | Yes. | 16:07 |
| philiKON | should be available some time in january hopefully | 16:07 |
| autocoder | Your english is var better than my German, but I can tell that itr is your second language. | 16:07 |
| autocoder | There are sentances that are very funny in English. | 16:08 |
| philiKON | yeah, 1st edition sucked | 16:08 |
| philiKON | language-wise | 16:08 |
| philiKON | you'll find the 2nd edition much better | 16:08 |
| autocoder | The order of the words is quite differentt. | 16:08 |
| philiKON | yeah, there were some slips here and there | 16:08 |
| autocoder | As I say, I have no room to criticize -- I speak NO German, and you speak perfectly acceptable English. | 16:09 |
| autocoder | Well, Thanks for the help. I will proceed with this and see where I arrive. | 16:09 |
| philiKON | good luck | 16:09 |
| autocoder | ... and I will have words with Borders!! | 16:09 |
| autocoder | :-) | 16:09 |
| philiKON | it's not their fault | 16:09 |
| philiKON | but when you do go there, make sure to preorder ;) | 16:10 |
| autocoder | Well, when I asked for the second edition and they gave me this, I think they have some responsibility,.. | 16:10 |
| philiKON | ah, ok | 16:10 |
| philiKON | yeah, that sucks | 16:10 |
| autocoder | I am being facious. I am not really mad at them and I will be polite. | 16:10 |
| philiKON | sure | 16:10 |
| philiKON | :) | 16:11 |
| philiKON | but if you specifically asked for the 2nd ed. | 16:11 |
| autocoder | I will simply request that the exchnge it and they will. | 16:11 |
| philiKON | they shouldn't give you the old one | 16:11 |
| autocoder | They are quite good. | 16:11 |
| philiKON | yeah, i know them back from my time in the u.s. | 16:11 |
| autocoder | I did becuase I was listening to all the fanfare. I knew of it. | 16:11 |
| autocoder | Thanks again. | 16:11 |
| autocoder | Later... | 16:11 |
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| jfroche | hello i need to register a multiadapter for a datetime.date and IRequest , is there some known way for this ? | 19:01 |
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| rocky | you know, sometimes i wish an adapter lookup would return a proxy object that only makes available the attributes on the adapter that are met by the given interface | 19:06 |
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| autocoder | Hi Folks. I am missing something small -- but apparently important.:n con | 20:12 |
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| autocoder | I want to traverse the content items in the root folder. | 20:13 |
| autocoder | I have configured this: | 20:13 |
| autocoder | <browser:page | 20:13 |
| autocoder | name="index.html" | 20:13 |
| autocoder | for="zope.app.folder.folder.Folder" | 20:13 |
| autocoder | permission="zope.View" | 20:13 |
| autocoder | template="viewsummary.pt" | 20:13 |
| autocoder | /> | 20:13 |
| autocoder | Right so far? I believe so... | 20:13 |
| autocoder | ... in viewsummary.pt I have this line: | 20:14 |
| autocoder | <tr tal:repeat="item context/values"> | 20:14 |
| autocoder | I think that is also correct because the introspector leads me to believe this. | 20:14 |
| autocoder | The very next line is: | 20:14 |
| autocoder | <td tal:content="item/desc"></td> | 20:15 |
| autocoder | ... and "item/desc" is causing a traversal error. | 20:15 |
| autocoder | I believe that "item" is one of my content objects, but I don't know. And that could explain the error. How would I know? | 20:16 |
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| autocoder | Can someone please provide an example of a zpt using tal:repeat to iterate over a set of hetrogeneous objects in the root folder? | 21:02 |
| autocoder | I can't address anything from tal:repeat="item context/values" | 21:03 |
| autocoder | I would exect that there are properties inherited from "object" that I could display. No luck. | 21:03 |
| autocoder | Pretty please? :-) | 21:04 |
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| pcardune_ | autocoder, what exactly are you trying to do? | 21:06 |
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| autocoder | Iterate over a set of objects in the root folder. I have a few different kinds of objects, so the first cut would be to loop over the set of objects and display what they were. | 21:07 |
| autocoder | I want to use a tal:repeat in a zpt. | 21:07 |
| pcardune_ | you could do something like: | 21:08 |
| pcardune_ | <a tal:repeat="item context/values" tal:attributes="href item/@@absolute_url" tal:content="item/zope:name">Link to Item</a> | 21:09 |
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| autocoder | Let me try that.... (I see you are using "zope:name" in your TALES path. Shouldn't I be able to reference the other propeties?) | 21:10 |
| autocoder | maening... | 21:10 |
| autocoder | item/name? | 21:10 |
| pcardune_ | you could say item/__name__ | 21:10 |
| autocoder | O.K., that is doing what I want. Can you take a few seconds to explain my mistake? | 21:11 |
| autocoder | What if I want to address one of the attributes of the content object? | 21:12 |
| pcardune_ | the mistake is that name is not an attribute | 21:12 |
| autocoder | my schema includes a "desc" field. | 21:12 |
| autocoder | Can I see that "desc" attribute? | 21:13 |
| pcardune_ | yes, assuming that permissions are set up correctly | 21:14 |
| autocoder | Permissions should be no problem. I can see the individual content object completely. | 21:14 |
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| autocoder | Can you give me an example addressing the "desc" attibute of the "item" I get with tal:repeat="item context/values" ? | 21:15 |
| pcardune | then you should be able to see the desc field (just item/desc) | 21:15 |
| autocoder | I can't. I get a traversal error. | 21:15 |
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| pcardune | try looking at item/__class__/__name__ and make sure you are looking at the object you think you are looking at | 21:20 |
| autocoder | Very well. Stand by. | 21:20 |
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| autocoder | I have three item: "Listing" (my content object), "Folder" (expected) and "ZPTPage". | 21:22 |
| pcardune | then item/desc wont work on the Folder or ZPTPage objects because they don't have a desc attribute | 21:23 |
| autocoder | SO, I see that I need to constrain my traversal to only my "Listing" objects. TAL is not procedural. How do I ignore those items that are not "Listing"? | 21:23 |
| pcardune | you might try item/desc|nothing (that will handle traversal errors) | 21:23 |
| autocoder | Ah! | 21:24 |
| autocoder | Very well. Stand by... | 21:24 |
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| autocoder | You are brilliant. That is the answer. Thanks so very much. | 21:24 |
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