Variables
const	PORTFOLIO_ADD_FAKE_URL 5
	PORTFOLIO_ADD_FAKE_URL - hacky way to turn the button class into a url to redirect to this replaces the old portfolio_fake_add_url function.

const	PORTFOLIO_ADD_FULL_FORM 1
	PORTFOLIO_ADD_FULL_FORM - a whole form, containing a drop down menu (where necessary) and a submit button.

const	PORTFOLIO_ADD_ICON_FORM 2
	PORTFOLIO_ADD_ICON_FORM - a whole form, containing a drop down menu (where necessary) but has an icon instead of a button to submit.

const	PORTFOLIO_ADD_ICON_LINK 3
	PORTFOLIO_ADD_ICON_LINK - just an icon with a link around it (yuk, as will result in a long url only use where necessary)

const	PORTFOLIO_ADD_MOODLE_URL 6
	PORTFOLIO_ADD_MOODULE_URL - hacky way to turn the button class into a moodle_url to redirect to this replaces the old portfolio_fake_add_url function.

const	PORTFOLIO_ADD_TEXT_LINK 4
	PORTFOLIO_ADD_TEXT_LINK - just some text with a link around it (yuk, as will result in a long url only use where necessary)

const	PORTFOLIO_FORMAT_DOCUMENT 'document'
	PORTFOLIO_FORMAT_DOCUMENT - subtype of file.

const	PORTFOLIO_FORMAT_FILE 'file'
	PORTFOLIO_FORMAT_FILE - the most basic fallback format.

const	PORTFOLIO_FORMAT_IMAGE 'image'
	PORTFOLIO_FORMAT_IMAGE - subtype of file.

const	PORTFOLIO_FORMAT_LEAP2A 'leap2a'
	PORTFOLIO_FORMAT_LEAP2A - supported by mahara and and others {http://wiki.cetis.ac.uk/LEAP_2.0}.

const	PORTFOLIO_FORMAT_MBKP 'mbkp'
	PORTFOLIO_FORMAT_MBKP - the plugin needs to be able to write a complete backup the caller need to be able to export the particular XML bits to insert into moodle.xml (?and the file bits if necessary)

const	PORTFOLIO_FORMAT_PDF 'pdf'
	PORTFOLIO_FORMAT_PDF - subtype of file.

const	PORTFOLIO_FORMAT_PLAINHTML 'plainhtml'
	PORTFOLIO_FORMAT_PLAINHTML - a single html representation - no attachments.

const	PORTFOLIO_FORMAT_PRESENTATION 'presentation'
	PORTFOLIO_FORMAT_PRESENTATION - subtype of file.

const	PORTFOLIO_FORMAT_RICH 'rich'
	PORTFOLIO_FORMAT_RICH - just used to say, "we support all these".

const	PORTFOLIO_FORMAT_RICHHTML 'richhtml'
	PORTFOLIO_FORMAT_RICHHTML - like html but with attachments.

const	PORTFOLIO_FORMAT_SPREADSHEET 'spreadsheet'
	PORTFOLIO_FORMAT_SPREADSHEET - subtype of file.

const	PORTFOLIO_FORMAT_TEXT 'text'
	PORTFOLIO_FORMAT_TEXT - subtype of file.

const	PORTFOLIO_FORMAT_VIDEO 'video'
	PORTFOLIO_FORMAT_VIDEO - subtype of file.

const	PORTFOLIO_STAGE_CLEANUP 6
	PORTFOLIO_STAGE_CLEANUP - cleanup the temporary area.

const	PORTFOLIO_STAGE_CONFIG 1
	PORTFOLIO_STAGE_CONFIG - display a form to the user this one might not be used if neither the plugin, or the caller has any config.

const	PORTFOLIO_STAGE_CONFIRM 2
	PORTFOLIO_STAGE_CONFIRM - summarise the form and ask for confirmation if we skipped PORTFOLIO_STAGE_CONFIG, just confirm the send.

const	PORTFOLIO_STAGE_FINISHED 7
	PORTFOLIO_STAGE_FINISHED - display the "finished notification".

const	PORTFOLIO_STAGE_PACKAGE 4
	PORTFOLIO_STAGE_PACKAGE - package up the various bits during this stage both the caller and the plugin get their package methods called.

const	PORTFOLIO_STAGE_QUEUEORWAIT 3
	PORTFOLIO_STAGE_QUEUEORWAIT - either queue the event and skip to PORTFOLIO_STAGE_FINISHED.

const	PORTFOLIO_STAGE_SEND 5
	PORTFOLIO_STAGE_SEND - the portfolio plugin must send the file.

const	PORTFOLIO_TIME_FORCEQUEUE 'queue'
	PORTFOLIO_TIME_FORCEQUEUE - very slow, or immediate transfers not supported.

const	PORTFOLIO_TIME_HIGH 'high'
	PORTFOLIO_TIME_HIGH - slow.

const	PORTFOLIO_TIME_LOW 'low'
	PORTFOLIO_TIME_LOW - no delay.

const	PORTFOLIO_TIME_MODERATE 'moderate'
	PORTFOLIO_TIME_MODERATE - a small delay.

Variables