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AphrontSideNavFilterView.php
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Created
Tue, Aug 27, 20:35
Size
4 KB
Mime Type
text/x-php
Expires
Thu, Aug 29, 20:35 (2 d)
Engine
blob
Format
Raw Data
Handle
20223452
Attached To
rPH Phabricator
AphrontSideNavFilterView.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Like an @{class:AphrontSideNavView}, but with a little bit of logic for the
* common case where you're using the side nav to filter some view of objects.
*
* For example:
*
* $nav = new AphrontSideNavFilterView();
* $nav
* ->setBaseURI($some_uri)
* ->addLabel('Cats')
* ->addFilter('meow', 'Meow')
* ->addFilter('purr', 'Purr')
* ->addSpacer()
* ->addLabel('Dogs')
* ->addFilter('woof', 'Woof')
* ->addFilter('bark', 'Bark');
* $valid_filter = $nav->selectFilter($user_selection, $default = 'meow');
*
*/
final
class
AphrontSideNavFilterView
extends
AphrontView
{
private
$items
=
array
();
private
$baseURI
;
private
$selectedFilter
=
false
;
public
function
addFilter
(
$key
,
$name
,
$uri
=
null
,
$relative
=
false
)
{
$this
->
items
[]
=
array
(
'filter'
,
$key
,
$name
,
'uri'
=>
$uri
,
'relative'
=>
$relative
);
return
$this
;
}
public
function
addFilters
(
array
$views
)
{
foreach
(
$views
as
$view
)
{
$uri
=
isset
(
$view
[
'uri'
])
?
$view
[
'uri'
]
:
null
;
$relative
=
isset
(
$view
[
'relative'
])
?
$view
[
'relative'
]
:
false
;
$this
->
addFilter
(
$view
[
'key'
],
$view
[
'name'
],
$uri
,
$relative
);
}
}
public
function
addLabel
(
$name
)
{
$this
->
items
[]
=
array
(
'label'
,
null
,
$name
);
return
$this
;
}
public
function
addSpacer
()
{
$this
->
items
[]
=
array
(
'spacer'
,
null
,
null
);
return
$this
;
}
public
function
setBaseURI
(
PhutilURI
$uri
)
{
$this
->
baseURI
=
$uri
;
return
$this
;
}
public
function
getBaseURI
()
{
return
$this
->
baseURI
;
}
public
function
selectFilter
(
$key
,
$default
)
{
$this
->
selectedFilter
=
$default
;
if
(
$key
!==
null
)
{
foreach
(
$this
->
items
as
$item
)
{
if
(
$item
[
0
]
==
'filter'
)
{
if
(
$item
[
1
]
==
$key
)
{
$this
->
selectedFilter
=
$key
;
break
;
}
}
}
}
return
$this
->
selectedFilter
;
}
public
function
render
()
{
if
(!
$this
->
baseURI
)
{
throw
new
Exception
(
"Call setBaseURI() before render()!"
);
}
if
(
$this
->
selectedFilter
===
false
)
{
throw
new
Exception
(
"Call selectFilter() before render()!"
);
}
$view
=
new
AphrontSideNavView
();
foreach
(
$this
->
items
as
$item
)
{
list
(
$type
,
$key
,
$name
)
=
$item
;
switch
(
$type
)
{
case
'spacer'
:
$view
->
addNavItem
(
'<br />'
);
break
;
case
'label'
:
$view
->
addNavItem
(
phutil_render_tag
(
'span'
,
array
(),
phutil_escape_html
(
$name
)));
break
;
case
'filter'
:
$class
=
(
$key
==
$this
->
selectedFilter
)
?
'aphront-side-nav-selected'
:
null
;
if
(
empty
(
$item
[
'uri'
]))
{
$href
=
clone
$this
->
baseURI
;
$href
->
setPath
(
$href
->
getPath
().
$key
.
'/'
);
$href
=
(
string
)
$href
;
}
else
{
if
(
empty
(
$item
[
'relative'
]))
{
$href
=
$item
[
'uri'
];
}
else
{
$href
=
clone
$this
->
baseURI
;
$href
->
setPath
(
$href
->
getPath
().
$item
[
'uri'
]);
$href
=
(
string
)
$href
;
}
}
$view
->
addNavItem
(
phutil_render_tag
(
'a'
,
array
(
'href'
=>
$href
,
'class'
=>
$class
,
),
phutil_escape_html
(
$name
)));
break
;
default
:
throw
new
Exception
(
"Unknown item type '{$type}'."
);
}
}
$view
->
appendChild
(
$this
->
renderChildren
());
return
$view
->
render
();
}
}
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