Difference between revisions of "API:EPrints/Update/Views"

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<!-- Pod2Wiki=_preamble_
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This page has been automatically generated from the EPrints 3.2 source. Any wiki changes made between the 'Pod2Wiki=*' and 'Edit below this comment' comments will be lost.
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-->{{API}}{{Pod2Wiki}}{{API:Source|file=perl_lib/EPrints/Update/Views.pm|package_name=EPrints::Update::Views}}[[Category:API|VIEWS]][[Category:API:EPrints/Update|VIEWS]][[Category:API:EPrints/Update/Views|VIEWS]]<div><!-- Edit below this comment -->
  
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<!-- Pod2Wiki=_private_ --><!-- Pod2Wiki=head_name -->
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==NAME==
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'''EPrints::Update::Views''' - Update view pages
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<!-- Edit below this comment -->
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<!-- Pod2Wiki= -->
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<!-- Pod2Wiki=head_synopsis -->
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==SYNOPSIS==
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<source lang="perl">$c->{browse_views} = [
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{
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id => "year",
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order => "creators_name/title",
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menus => [
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{
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fields => [qw( date;res=year )],
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reverse_order => 1,
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allow_null => 1,
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new_column_at => [10, 10]
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},
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],
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variations => [qw(
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creators_name;first_letter
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type
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DEFAULT
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)],
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},
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];</source>
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<!-- Edit below this comment -->
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<!-- Pod2Wiki= -->
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<!-- Pod2Wiki=head_description -->
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==DESCRIPTION==
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Update the browse-by X web pages on demand.
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<!-- Edit below this comment -->
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<!-- Pod2Wiki= -->
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<!-- Pod2Wiki=head_options -->
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==OPTIONS==
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* id
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: Set the unique id for the view, which in the URL will be /view/[id]/...
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* dataset = "archive"
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: Set the dataset id to retrieve records from.
 +
 +
* menus = [ ... ]
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: An array of hierarchical menu choices.
 +
 +
* order = ""
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: Order matching records by the given field structure.
 +
 +
* variations = [qw( DEFAULT )]
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: Add group-bys on additional pages. "DEFAULT" shows all of the records in a list.
 +
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* nolink = 0
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: Don't show a link to this view from the /view/ page.
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<!-- Edit below this comment -->
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 +
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<!-- Pod2Wiki= -->
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<!-- Pod2Wiki=head_menus -->
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===Menus===
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* allow_null = 0
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* fields = [qw( ... )]
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* new_column_at = [x, y]
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* reverse_order = 0
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* mode = "default"
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: Use "sections" to cause the menu to be broken into sections.
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* open_first_section = 1
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: Open the first section of the browse menu.
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<!-- Edit below this comment -->
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 +
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<!-- Pod2Wiki= -->
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<!-- Pod2Wiki=head_variations -->
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===Variations===
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Format is:
 +
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<pre>  [fieldname];[options]</pre>
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 +
Where options is:
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<pre>  [option1],[option2],[option3]=[value]</pre>
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 +
If no value is given the option is implicitly 1 (enable).
 +
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<pre>  creators_name;first_letter,allow_null=1</pre>
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* allow_null = 0
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: Show items that have no value(s) for the selected field.
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* cloud
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: Render a "Tag Cloud" of links, where the individual links are scaled by their frequency of occurence.
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 +
* cloudmin = 80, cloudmax = 200
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: Scale cloud tag links by between cloudmin and cloudmax percent from normal text size.
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* first_letter
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: Implies truncate=1 and first_value.
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* first_value
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: Only group-by on the first value in a multiple field.
 +
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* jump = none|plain|default
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: Hide the jump-to links, render just the links or render as a phrase ('Update/Views:jump_to').
 +
 +
* tags
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: Treat the field value as a comma or semi-colon separated list of values.
 +
 +
* truncate = n
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: Truncate the value to at most n characters.
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<!-- Edit below this comment -->
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<!-- Pod2Wiki= -->
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<!-- Pod2Wiki=head_methods -->
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==METHODS==
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<!-- Pod2Wiki=head_update_view_file -->
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===update_view_file===
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<source lang="perl">$filename = update_view_file( $repo, $langid, $localpath, $uri )
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</source>
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This is the function which decides which type of view it is:
 +
 +
<pre>  * the main menu of views
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  * the top level menu of a view
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  * the sub menu of a view
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  * a page within a single value of a view</pre>
 +
 +
Does not update the file if it's not needed.
 +
 +
<!-- Edit below this comment -->
 +
 +
 +
<!-- Pod2Wiki= -->
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<!-- Pod2Wiki=head_pseudo_views_class -->
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===Pseudo-Views Class===
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<!-- Edit below this comment -->
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<!-- Pod2Wiki= -->
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<!-- Pod2Wiki=head_name -->
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===name===
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<source lang="perl">$desc = $view->name
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</source>
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Returns a human-readable name of this view (for debugging).
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<!-- Edit below this comment -->
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<!-- Pod2Wiki= -->
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<!-- Pod2Wiki=head_update_view_by_path -->
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===update_view_by_path===
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<source lang="perl">$view->update_view_by_path( %opts )
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</source>
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Updates the view source files.
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 +
Options:
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 +
<pre>  on_write - callback called with the filename written
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  langid - language to write
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  do_menus - suppress generation of menus
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  do_lists - suppress generation of lists</pre>
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<!-- Edit below this comment -->
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<!-- Pod2Wiki= -->
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<!-- Pod2Wiki=head_copyright -->
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==COPYRIGHT==
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: Copyright 2000-2011 University of Southampton.
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 +
: This file is part of EPrints http://www.eprints.org/.
 +
 +
: EPrints is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 +
 +
: EPrints is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
 +
 +
: You should have received a copy of the GNU Lesser General Public License along with EPrints.  If not, see http://www.gnu.org/licenses/.
 +
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<!-- Edit below this comment -->
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<!-- Pod2Wiki= -->
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<!-- Pod2Wiki=_postamble_ -->
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<!-- Edit below this comment -->

Latest revision as of 09:57, 22 January 2013

EPrints 3 Reference: Directory Structure - Metadata Fields - Repository Configuration - XML Config Files - XML Export Format - EPrints data structure - Core API - Data Objects

API: Core API

Latest Source Code (3.4, 3.3) | Revision Log | Before editing this page please read Pod2Wiki


NAME

EPrints::Update::Views - Update view pages


SYNOPSIS

$c->{browse_views} = [
	{
		id => "year",
		order => "creators_name/title",
		menus => [
			{
				fields => [qw( date;res=year )],
				reverse_order => 1,
				allow_null => 1,
				new_column_at => [10, 10]
			},
		],
		variations => [qw(
			creators_name;first_letter
			type
			DEFAULT
		)],
	},
];


DESCRIPTION

Update the browse-by X web pages on demand.


OPTIONS

  • id
Set the unique id for the view, which in the URL will be /view/[id]/...
  • dataset = "archive"
Set the dataset id to retrieve records from.
  • menus = [ ... ]
An array of hierarchical menu choices.
  • order = ""
Order matching records by the given field structure.
  • variations = [qw( DEFAULT )]
Add group-bys on additional pages. "DEFAULT" shows all of the records in a list.
  • nolink = 0
Don't show a link to this view from the /view/ page.


Menus

  • allow_null = 0
  • fields = [qw( ... )]
  • new_column_at = [x, y]
  • reverse_order = 0
  • mode = "default"
Use "sections" to cause the menu to be broken into sections.
  • open_first_section = 1
Open the first section of the browse menu.


Variations

Format is: 

  [fieldname];[options]

Where options is: 

  [option1],[option2],[option3]=[value]

If no value is given the option is implicitly 1 (enable). 

  creators_name;first_letter,allow_null=1
  • allow_null = 0
Show items that have no value(s) for the selected field.
  • cloud
Render a "Tag Cloud" of links, where the individual links are scaled by their frequency of occurence.
  • cloudmin = 80, cloudmax = 200
Scale cloud tag links by between cloudmin and cloudmax percent from normal text size.
  • first_letter
Implies truncate=1 and first_value.
  • first_value
Only group-by on the first value in a multiple field.
  • jump = none|plain|default
Hide the jump-to links, render just the links or render as a phrase ('Update/Views:jump_to').
  • tags
Treat the field value as a comma or semi-colon separated list of values.
  • truncate = n
Truncate the value to at most n characters.


METHODS

update_view_file

$filename = update_view_file( $repo, $langid, $localpath, $uri )

This is the function which decides which type of view it is: 

  * the main menu of views
  * the top level menu of a view
  * the sub menu of a view
  * a page within a single value of a view

Does not update the file if it's not needed.


Pseudo-Views Class

name

$desc = $view->name

Returns a human-readable name of this view (for debugging).


update_view_by_path

$view->update_view_by_path( %opts )

Updates the view source files.

Options: 

  on_write - callback called with the filename written
  langid - language to write
  do_menus - suppress generation of menus
  do_lists - suppress generation of lists


COPYRIGHT

Copyright 2000-2011 University of Southampton.
This file is part of EPrints http://www.eprints.org/.
EPrints is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
EPrints is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with EPrints. If not, see http://www.gnu.org/licenses/.



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