making a macro that displays images based on a parameter

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Ciprian 17 posts 38 karma points

Aug 19, 2010 @ 10:42
0

Making a macro that displays images based on a parameter
Hey guys!

I'm trying to make a macro that recieves the image alias of an image added with a media picker as a parameter and then displays the image.

Here's my code so far:
```
<xsl:variable name="imageAlias">
  <xsl:value-of select="/macro/imgAlias" />
</xsl:variable>
```
```
<xsl:variable name="media" select="umbraco.library:GetMedia($currentPage/$imageAlias, 0)"/>
<img src="{$media/umbracoFile}" alt="{$media/altText}" />
```
The problem is that it won't accept the variable $imageAlias in the path $currentPage/$imageAlias.

I can make this work if I use ifs but that would make this macro site specific, I'd like to be able to use it in any site, just to specify the alias and have the image in the page.

Any ideas?
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Chriztian Steinmeier 2798 posts 8788 karma points MVP 8x admin c-trib

Aug 19, 2010 @ 10:52
0
Hi Ciprian,

To select an element by name, use the name() function:
```
<xsl:variable name="media" select="umbraco.library:GetMedia($currentPage/*[name() = $imageAlias], 0)" />
```
/Chriztian
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Ciprian 17 posts 38 karma points

Aug 19, 2010 @ 11:02

Thanks a lot! That works great.

I also added a test so it won't give any parsing errors.

This is the final version:

<xsl:variable name="imageAlias">
  <xsl:value-of select="/macro/imgAlias" />
</xsl:variable>
<xsl:if test="$currentPage/*[name() = $imageAlias] !=''">
  <xsl:variable name="media" select="umbraco.library:GetMedia($currentPage/*[name() = $imageAlias], 0)"/>
  <img src="{$media/umbracoFile}" alt="{$media/altText}" />
</xsl:if>

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manikandan 7 posts 27 karma points

May 08, 2012 @ 15:13

0

Hi all,

i am also doing the same thing as per above post. but i did't got any output

/macro/sourcePath => /header/imagewithlink/imageurl

<xsl:template match="/">
<xsl:variable name="imageAlias">
<xsl:value-of select="/macro/sourcePath" />
</xsl:variable>

<xsl:if test="$currentPage/ancestor-or-self::root/*[name() = $imageAlias] !=''">
<xsl:variable name="media" select="umbraco.library:GetMedia($currentPage/*[name() = $imageAlias], 0)"/>
<img src="{$media/umbracoFile}" />
</xsl:if>

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