Images description may contain:

1 - [lang=default][/lang] and others see [extension by Piwigo Team] Extended Description
2 - other HTML tags: <a href=...


Examples:
1 - http://www.vdigital.org/phpwebgallery/picture?/1924
Description:

[lang=default]Master of suspense Alfred Hitchcock presents several short stories:<br />“<cite>Good evening, ladies and gentlemen, and welcome to ...</cite>”[/lang]
[lang=fr]Alfred Hitchcock, le maître du suspense présente une anthologie d'histoires courtes<!-- more --> (268 d'après Wikipedia) :<br />“<cite>Bonsoir, je suis Alfred Hitchcock. Ce soir, je vous présente une histoire à suspense; la première d'une série qu'on appelle bizarrement Alfred Hitchcock Présente. Vous ne m'y verrez pas! J'apparaîtrai seulement au début et à la fin ...</cite>”[/lang]

2 - http://piwigo.org/demo/picture.php?/547/category/BestOf
Description:

<a href="http://www.dailyframe.com/gallery/" onclick="window.open(this.href, ''); return false;"><img style="border: 0px; padding: 15px; background-color: #3f3f3f;" src="http://www.dailyframe.com/gallery/galleries/graphics/dailyframegallery32.png" alt="DailyFrame.com" /><br /><b>Steve Cherry</b></a>

Hello, and thanks for visiting. Steve is a photog with a passion for creating interesting and unique imagery.

How do you want to manage these cases with the alt tag?

First example link is now public.
The link shows nothing to unaware people.
The most important is the code where you can see English and French but depending on your visitor language,
you will see only one.


Back to your current point.

No.

By php, we can respect a structure, build links and have normalized alt values.
What I tried to show is that currently our descriptions are used with a lot of complex cases, and we can't use this field to build a structured alt.

Anyway, can you give a concrete example of a final description you are expecting?




Note: (2nd example) internet search machines index ignore onclick= but they get href= as any static link.

That's clear enough. (Even I am not convinced that alt will change search engine results, but should be tried).

=> We should produce an alt-text only based on [lang= if there is.
Stopped at <!-- more -->
and all html tags removed (strip_tags).

And option should give the selected lang= for alt-text, could be default, or =en (English), or first found [lang=.

Now, the new question is where?
Where? On thumbnail and pictures?

We should try to make a plugin... I am full right now.
Anyone can do it?

(Extended description is the basis logic, but no action in admin to code).

http://piwigo.org/demo/picture.php?/554/category/Europe

Currently, we have:
<img title="Champ de Mars: Just few hours before 2007 Rugby World Cup semi-finals where Jonny holds his nerve to put England in final." alt="IMG_7298.JPG" style="width: 682px; height: 511px;" src="http://albums.piwigo.net/real-VDigital/VDigital/2007-10/IMG_7298.JPG"/>

A very simple way is to flip title= and alt=.
I will explain later the simpliest way to do it.





On thumbnails pages we can do something similar
In a latter time, I will explain how to deal with them.

http://piwigo.org/demo/index.php?/category/Europe

Currently, we have:
<img title="IMG_7298.JPG : 62 Kb" alt="IMG_7298.JPG" src="http://albums.piwigo.net/real-VDigital/VDigital/2007-10/thumbnail/TN-IMG_7298.png" class="thumbnail"/>

Picture...

If LocalFiles Editor plugin is not already active... Please activate it.

LocalFiles Editor > Tabsheet Templates

Create new file
File name => my-picture_content.tpl                    (for example)

Model => yoga / picture_content.tpl


Inside you will flip title= and alt=.

before:
  <img src="{$SRC_IMG}" style="width:{$WIDTH_IMG}px;height:{$HEIGHT_IMG}px;" alt="{$ALT_IMG}"
    {if isset($COMMENT_IMG)}
        title="{$COMMENT_IMG|@strip_tags:false|@replace:'"':' '}" {else} title="{$current.TITLE|@replace:'"':' '} - {$ALT_IMG}"
    {/if}>
after:
  <img src="{$SRC_IMG}" style="width:{$WIDTH_IMG}px;height:{$HEIGHT_IMG}px;" title="{$ALT_IMG}"
    {if isset($COMMENT_IMG)}
        alt="{$COMMENT_IMG|@strip_tags:false|@replace:'"':' '}" {else} title="{$current.TITLE|@replace:'"':' '} - {$ALT_IMG}"
    {/if}>

And Save file.

And in Admin > Configuration > Templates

Replacers (customized templates)      > my-picture_content.tpl
Original templates      > picture_content.tpl
Optional URL keyword      >     (don't select a keyword)
Bound template > yoga

Submit.



Result:
http://www.vdigital.org/phpwebgallery/p … dens_winks

  <img src="../pwg/galleries/Canon-report/2007-10_St_Ambroix/Canon_PowerShot_S45-2007-10-30_10-20-40.JPG" style="width:600px;height:450px;" title="Canon_PowerShot_S45-2007-10-30_10-20-40.JPG"
        alt="Pomegratate in my garden
" >



Now, we are waiting for a result in (around 15 days or less) :
here

Managing thumbnails is more complex than a simple flip.
;-)

remark: Pomegranate and not Pomegratate (I will correct my website later).
So Google should get it before.

Last edited by VDigital (2009-06-09 16:38:44)

Yeh! Maybe but currently google images missed these pics.
Still around 11 days from now to wait.
;-)