The upload element
Release 2.0 - ...
This form control enables the common feature found on Web sites to upload a file from the local file system.
This element is usually rendered as an (x)html input element with type="file".
Example
| XML |
Copy Code
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|---|---|
<xforms:upload mediatype="image/jpg" ref="/car/pic"> <xforms:label>Upload an image: </xforms:label> </xforms:upload> |
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Attributes
| Name | Required / optional | Description |
|---|---|---|
| mediatype | optional | Space-separated list of suggested media types, used by the XForms Processor to determine the possible sources of data to upload. |
| incremental | optional | When true, this form control will generate additional xforms-value-changed events. The default is false. |
| Common Attributes | optional | Any attribute from the Common Attributes collection (e.g. id). |
| Single Node Binding Attributes | required | One or more attributes from the Single Node Binding Attributes group (ref, model, bind). |
| UI Common Attributes | optional | Any attribute from the UI Common Attributes group (appearance, class, navindex, accesskey). |
Content
Within an upload element, the following child elements are allowed:
| Element Name | Required / optional | Description |
|---|---|---|
| label | required | Provides a descriptive label for the containing form control |
| help | optional | Provides a help message for the containing form control. |
| hint | optional | Provides a hint message for the containing form control. |
| alert | optional | Provides an alert or error message for the containing form control. |
| Action element(s) | optional | Any element from the Action Elements Collection. |
| filename | optional | Specifies the location in the instance to place the filename of the chosen binary resource. |
| mediatype | optional | Specifies the location in the instance to place the mediatype of the chosen binary resource. |
Specification
Link to the XForms specification: the upload element.