Gallery MacroThe full list of parameters is shown in the following table. Parameter | Default | Description |
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Gallery Title | Nothing | Specify a title for your gallery. | Number of Columns | 4 | Specify the number of columns for your table. | Images to Exclude | No exclusions i.e. include all the pictures on the page. | The gallery will ignore any pictures specified. You can specify more than one picture, separated by commas. Please note, the filename and filetype for this parameter are case-sensitive, i.e. 'my picture.PNG' will not be recognised as 'my picture.png'. | Include these Images Only | Include all the pictures on the page. | If you specifically include one or more pictures, the gallery will show only those pictures. You can specify more than one picture, separated by commas. Please note, the filename and filetype for this parameter are case-sensitive, i.e. 'my picture.PNG' will not be recognised as 'my picture.png'. | Use Images in these Pages | If no page is specified, the gallery macro displays the images attached to the page on which the macro is used. | Specify the title of the page which contains the images you want displayed. To specify a page in a different space, use the SPACEKEY:Page Title syntax. | Sort Images By | None, i.e. the sort order is unspecified and therefore unpredictable. | Specify an attribute to sort the images by. Sort order is ascending, unless you select the Reverse Sort parameter (see below). Options are: - name – file name.
- comment – comment linked to the attached file.
- date – date/time last modified.
- size – size of the attached file.
| Reverse Sort | Off, i.e. sort order is ascending | Used in conjunction with the Sort Images By parameter above. Use Reverse Sort to reverse the sort order, from ascending to descending. |
 | If the name of an attached file or page contains a comma, you can refer to it in the relevant parameters above by enclosing it in single or double quotes, for example "this,that.jpg", theother.png . |
For more information, refer to Gallery Macro. | |
Troubleshooting
If you encounter the following error message: System does not support thumbnails: no JDK image support
then ensure that you have following system property available for your JVM:
JAVA_OPTS=-Djava.awt.headless=true
Also see CONF-1737
 | Please note that gallery-ext.jar is available at CONF-6620 |