MyShaarli/plugins/demo_plugin/demo_plugin.php

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<?php
/**
* Demo Plugin.
*
* This plugin try to cover Shaarli's plugin API entirely.
* Can be used by plugin developper to make their own.
*/
/*
* RENDER HEADER, INCLUDES, FOOTER
*
* Those hooks are called at every page rendering.
* You can filter its execution by checking _PAGE_ value
* and check user status with _LOGGEDIN_.
*/
/**
* Initialization function.
* It will be called when the plugin is loaded.
* This function can be used to return a list of initialization errors.
*
* @param $conf ConfigManager instance.
*
* @return array List of errors (optional).
*/
function demo_plugin_init($conf)
{
$conf->get('toto', 'nope');
$errors[] = 'This a demo init error.';
return $errors;
}
/**
* Hook render_header.
* Executed on every page redering.
*
* Template placeholders:
* - buttons_toolbar
* - fields_toolbar
*
* @param array $data data passed to plugin
*
* @return array altered $data.
*/
function hook_demo_plugin_render_header($data)
{
// Only execute when linklist is rendered.
if ($data['_PAGE_'] == Router::$PAGE_LINKLIST) {
// If loggedin
if ($data['_LOGGEDIN_'] === true) {
// Buttons in toolbar
$data['buttons_toolbar'][] = '<li><a href="#">DEMO_buttons_toolbar</a></li>';
}
// Fields in toolbar
$data['fields_toolbar'][] = 'DEMO_fields_toolbar';
}
// Another button always displayed
$data['buttons_toolbar'][] = '<li><a href="#">DEMO</a></li>';
return $data;
}
/**
* Hook render_includes.
* Executed on every page redering.
*
* Template placeholders:
* - css_files
*
* Data:
* - _PAGE_: current page
* - _LOGGEDIN_: true/false
*
* @param array $data data passed to plugin
*
* @return array altered $data.
*/
function hook_demo_plugin_render_includes($data)
{
// List of plugin's CSS files.
// Note that you just need to specify CSS path.
$data['css_files'][] = PluginManager::$PLUGINS_PATH . '/demo_plugin/custom_demo.css';
return $data;
}
/**
* Hook render_footer.
* Executed on every page redering.
*
* Template placeholders:
* - text
* - endofpage
* - js_files
*
* Data:
* - _PAGE_: current page
* - _LOGGEDIN_: true/false
*
* @param array $data data passed to plugin
*
* @return array altered $data.
*/
function hook_demo_plugin_render_footer($data)
{
// footer text
$data['text'][] = 'Shaarli is now enhanced by the awesome demo_plugin.';
// Free elements at the end of the page.
$data['endofpage'][] = '<marquee id="demo_marquee">' .
'DEMO: it\'s 1999 all over again!' .
'</marquee>';
// List of plugin's JS files.
// Note that you just need to specify CSS path.
$data['js_files'][] = PluginManager::$PLUGINS_PATH . '/demo_plugin/demo_plugin.js';
return $data;
}
/*
* SPECIFIC PAGES
*/
/**
* Hook render_linklist.
*
* Template placeholders:
* - action_plugin: next to 'private only' button.
* - plugin_start_zone: page start
* - plugin_end_zone: page end
* - link_plugin: icons below each links.
*
* Data:
* - _LOGGEDIN_: true/false
*
* @param array $data data passed to plugin
*
* @return array altered $data.
*/
function hook_demo_plugin_render_linklist($data)
{
// action_plugin
$data['action_plugin'][] = '<div class="upper_plugin_demo"><a href="?up" title="Uppercase!">←</a></div>';
if (isset($_GET['up'])) {
// Manipulate link data
foreach ($data['links'] as &$value) {
$value['description'] = strtoupper($value['description']);
$value['title'] = strtoupper($value['title']);
}
}
// link_plugin (for each link)
foreach ($data['links'] as &$value) {
$value['link_plugin'][] = ' DEMO \o/';
}
// plugin_start_zone
$data['plugin_start_zone'][] = '<center>BEFORE</center>';
// plugin_start_zone
$data['plugin_end_zone'][] = '<center>AFTER</center>';
return $data;
}
/**
* Hook render_editlink.
*
* Template placeholders:
* - field_plugin: add link fields after tags.
*
* @param array $data data passed to plugin
*
* @return array altered $data.
*/
function hook_demo_plugin_render_editlink($data)
{
// Load HTML into a string
$html = file_get_contents(PluginManager::$PLUGINS_PATH .'/demo_plugin/field.html');
// replace value in HTML if it exists in $data
if (!empty($data['link']['stuff'])) {
$html = sprintf($html, $data['link']['stuff']);
} else {
$html = sprintf($html, '');
}
// field_plugin
$data['edit_link_plugin'][] = $html;
return $data;
}
/**
* Hook render_tools.
*
* Template placeholders:
* - tools_plugin: after other tools.
*
* @param array $data data passed to plugin
*
* @return array altered $data.
*/
function hook_demo_plugin_render_tools($data)
{
// field_plugin
$data['tools_plugin'][] = 'tools_plugin';
return $data;
}
/**
* Hook render_picwall.
*
* Template placeholders:
* - plugin_start_zone: page start.
* - plugin_end_zone: page end.
*
* Data:
* - _LOGGEDIN_: true/false
*
* @param array $data data passed to plugin
*
* @return array altered $data.
*/
function hook_demo_plugin_render_picwall($data)
{
// plugin_start_zone
$data['plugin_start_zone'][] = '<center>BEFORE</center>';
// plugin_end_zone
$data['plugin_end_zone'][] = '<center>AFTER</center>';
return $data;
}
/**
* Hook render_tagcloud.
*
* Template placeholders:
* - plugin_start_zone: page start.
* - plugin_end_zone: page end.
*
* Data:
* - _LOGGEDIN_: true/false
*
* @param array $data data passed to plugin
*
* @return array altered $data.
*/
function hook_demo_plugin_render_tagcloud($data)
{
// plugin_start_zone
$data['plugin_start_zone'][] = '<center>BEFORE</center>';
// plugin_end_zone
$data['plugin_end_zone'][] = '<center>AFTER</center>';
return $data;
}
/**
* Hook render_daily.
*
* Template placeholders:
* - plugin_start_zone: page start.
* - plugin_end_zone: page end.
*
* Data:
* - _LOGGEDIN_: true/false
*
* @param array $data data passed to plugin
*
* @return array altered $data.
*/
function hook_demo_plugin_render_daily($data)
{
// plugin_start_zone
$data['plugin_start_zone'][] = '<center>BEFORE</center>';
// plugin_end_zone
$data['plugin_end_zone'][] = '<center>AFTER</center>';
// Manipulate columns data
foreach ($data['cols'] as &$value) {
foreach ($value as &$value2) {
$value2['formatedDescription'] .= ' ಠ_ಠ';
}
}
// Add plugin content at the end of each link
foreach ($data['cols'] as &$value) {
foreach ($value as &$value2) {
$value2['link_plugin'][] = 'DEMO';
}
}
return $data;
}
/*
* DATA SAVING HOOK.
*/
/**
* Hook savelink.
*
* Triggered when a link is save (new or edit).
* All new links now contain a 'stuff' value.
*
* @param array $data contains the new link data.
*
* @return array altered $data.
*/
function hook_demo_plugin_save_link($data)
{
// Save stuff added in editlink field
if (!empty($_POST['lf_stuff'])) {
$data['stuff'] = escape($_POST['lf_stuff']);
}
return $data;
}
/**
* Hook delete_link.
*
* Triggered when a link is deleted.
*
* @param array $data contains the link to be deleted.
*
* @return array altered data.
*/
function hook_demo_plugin_delete_link($data)
{
if (strpos($data['url'], 'youtube.com') !== false) {
exit('You can not delete a YouTube link. Don\'t ask.');
}
}
/**
* Execute render_feed hook.
* Called with ATOM and RSS feed.
*
* Special data keys:
* - _PAGE_: current page
* - _LOGGEDIN_: true/false
*
* @param array $data data passed to plugin
*
* @return array altered $data.
*/
function hook_demo_plugin_render_feed($data)
{
foreach ($data['links'] as &$link) {
if ($data['_PAGE_'] == Router::$PAGE_FEED_ATOM) {
$link['description'] .= ' - ATOM Feed' ;
}
elseif ($data['_PAGE_'] == Router::$PAGE_FEED_RSS) {
$link['description'] .= ' - RSS Feed';
}
}
return $data;
}