16 files changed, 167 insertions, 5 deletions

diff --git a/plugins/addlink_toolbar/addlink_toolbar.php b/plugins/addlink_toolbar/addlink_toolbar.php
index 8c05a231..8bf4ed46 100644
--- a/plugins/addlink_toolbar/addlink_toolbar.php
+++ b/plugins/addlink_toolbar/addlink_toolbar.php
@@ -5,6 +5,8 @@
  * Adds the addlink input on the linklist page.
  */
 
+use Shaarli\Router;
+
 /**
  * When linklist is displayed, add play videos to header's toolbar.
  *
diff --git a/plugins/archiveorg/archiveorg.php b/plugins/archiveorg/archiveorg.php
index 5dcea5a6..0ee1c73c 100644
--- a/plugins/archiveorg/archiveorg.php
+++ b/plugins/archiveorg/archiveorg.php
@@ -5,6 +5,8 @@
  * Add an icon in the link list for archive.org.
  */
 
+use Shaarli\Plugin\PluginManager;
+
 /**
  * Add archive.org icon to link_plugin when rendering linklist.
  *
diff --git a/plugins/default_colors/default_colors.css.template b/plugins/default_colors/default_colors.css.template
new file mode 100644
index 00000000..87e22a08
--- /dev/null
+++ b/plugins/default_colors/default_colors.css.template
@@ -0,0 +1,3 @@
+:root {
+%s
+}
diff --git a/plugins/default_colors/default_colors.meta b/plugins/default_colors/default_colors.meta
new file mode 100644
index 00000000..108962c6
--- /dev/null
+++ b/plugins/default_colors/default_colors.meta
@@ -0,0 +1,5 @@
+description="Override default theme colors. Use any CSS valid color."
+parameters="DEFAULT_COLORS_MAIN;DEFAULT_COLORS_BACKGROUND;DEFAULT_COLORS_DARK_MAIN"
+parameter.DEFAULT_COLORS_MAIN="Main color (navbar green)"
+parameter.DEFAULT_COLORS_BACKGROUND="Background color (light grey)"
+parameter.DEFAULT_COLORS_DARK_MAIN="Dark main color (e.g. visited links)"
diff --git a/plugins/default_colors/default_colors.php b/plugins/default_colors/default_colors.php
new file mode 100644
index 00000000..1928cc9f
--- /dev/null
+++ b/plugins/default_colors/default_colors.php
@@ -0,0 +1,111 @@
+<?php
+
+/**
+ * Plugin default_colors.
+ *
+ * Allow users to easily overrides colors of the default theme.
+ */
+
+use Shaarli\Config\ConfigManager;
+use Shaarli\Plugin\PluginManager;
+
+const DEFAULT_COLORS_PLACEHOLDERS = [
+    'DEFAULT_COLORS_MAIN',
+    'DEFAULT_COLORS_BACKGROUND',
+    'DEFAULT_COLORS_DARK_MAIN',
+];
+
+/**
+ * Display an error if the plugin is active a no color is configured.
+ *
+ * @param $conf ConfigManager instance
+ *
+ * @return array|null The errors array or null of there is none.
+ */
+function default_colors_init($conf)
+{
+    $params = '';
+    foreach (DEFAULT_COLORS_PLACEHOLDERS as $placeholder) {
+        $params .= trim($conf->get('plugins.'. $placeholder, ''));
+    }
+
+    if (empty($params)) {
+        $error = t('Default colors plugin error: '.
+            'This plugin is active and no custom color is configured.');
+        return array($error);
+    }
+}
+
+/**
+ * When plugin parameters are saved, we regenerate the custom CSS file with provided settings.
+ *
+ * @param array $data $_POST array
+ *
+ * @return array Updated $_POST array
+ */
+function hook_default_colors_save_plugin_parameters($data)
+{
+    $file = PluginManager::$PLUGINS_PATH . '/default_colors/default_colors.css';
+    $template = file_get_contents(PluginManager::$PLUGINS_PATH . '/default_colors/default_colors.css.template');
+    $content = '';
+    foreach (DEFAULT_COLORS_PLACEHOLDERS as $rule) {
+        $content .= ! empty($data[$rule])
+            ? default_colors_format_css_rule($data, $rule) .';'. PHP_EOL
+            : '';
+    }
+
+    if (! empty($content)) {
+        file_put_contents($file, sprintf($template, $content));
+    }
+
+    return $data;
+}
+
+/**
+ * When linklist is displayed, include default_colors CSS file.
+ *
+ * @param array $data - header data.
+ *
+ * @return mixed - header data with default_colors CSS file added.
+ */
+function hook_default_colors_render_includes($data)
+{
+    $file = PluginManager::$PLUGINS_PATH . '/default_colors/default_colors.css';
+    if (file_exists($file )) {
+        $data['css_files'][] = $file ;
+    }
+
+    return $data;
+}
+
+/**
+ * Create a valid CSS rule from parameters settings and plugin parameter.
+ *
+ * @param array  $data      $_POST array
+ * @param string $parameter Plugin parameter name
+ *
+ * @return string CSS rules for the provided parameter and its matching value.
+ */
+function default_colors_format_css_rule($data, $parameter)
+{
+    if (empty($data[$parameter])) {
+        return '';
+    }
+
+    $key = str_replace('DEFAULT_COLORS_', '', $parameter);
+    $key = str_replace('_', '-', strtolower($key)) .'-color';
+    return '  --'. $key .': '. $data[$parameter];
+}
+
+
+/**
+ * This function is never called, but contains translation calls for GNU gettext extraction.
+ */
+function default_colors_translation()
+{
+    // meta
+    t('Override default theme colors. Use any CSS valid color.');
+    t('Main color (navbar green)');
+    t('Background color (light grey)');
+    t('Dark main color (e.g. visited links)');
+}
diff --git a/plugins/demo_plugin/demo_plugin.meta b/plugins/demo_plugin/demo_plugin.meta
index b063ecb7..cd616441 100644
--- a/plugins/demo_plugin/demo_plugin.meta
+++ b/plugins/demo_plugin/demo_plugin.meta
@@ -1 +1,4 @@
 description="A demo plugin covering all use cases for template designers and plugin developers."
+parameters="DEMO_PLUGIN_PARAMETER;DEMO_PLUGIN_OTHER_PARAMETER"
+parameter.DEMO_PLUGIN_PARAMETER="This is a parameter dedicated to the demo plugin. It'll be suffixed."
+parameter.DEMO_PLUGIN_OTHER_PARAMETER="Other demo parameter"
diff --git a/plugins/demo_plugin/demo_plugin.php b/plugins/demo_plugin/demo_plugin.php
index ca520d15..71ba7495 100644
--- a/plugins/demo_plugin/demo_plugin.php
+++ b/plugins/demo_plugin/demo_plugin.php
@@ -15,6 +15,8 @@
  */
 
 use Shaarli\Config\ConfigManager;
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Router;
 
 /**
  * In the footer hook, there is a working example of a translation extension for Shaarli.
@@ -455,10 +457,29 @@ function hook_demo_plugin_render_feed($data)
 }
 
 /**
+ * When plugin parameters are saved.
+ *
+ * @param array $data $_POST array
+ *
+ * @return array Updated $_POST array
+ */
+function hook_demo_plugin_save_plugin_parameters($data)
+{
+    // Here we edit the provided value, but we can use this to generate config files, etc.
+    if (! empty($data['DEMO_PLUGIN_PARAMETER']) && ! endsWith($data['DEMO_PLUGIN_PARAMETER'], '_SUFFIX')) {
+        $data['DEMO_PLUGIN_PARAMETER'] .= '_SUFFIX';
+    }
+
+    return $data;
+}
+
+/**
  * This function is never called, but contains translation calls for GNU gettext extraction.
  */
 function demo_dummy_translation()
 {
     // meta
     t('A demo plugin covering all use cases for template designers and plugin developers.');
+    t('This is a parameter dedicated to the demo plugin. It\'ll be suffixed.');
+    t('Other demo parameter');
 }
diff --git a/plugins/isso/isso.php b/plugins/isso/isso.php
index 378c11af..dab75dd5 100644
--- a/plugins/isso/isso.php
+++ b/plugins/isso/isso.php
@@ -5,6 +5,8 @@
  */
 
 use Shaarli\Config\ConfigManager;
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Router;
 
 /**
  * Display an error everywhere if the plugin is enabled without configuration.
diff --git a/plugins/markdown/markdown.php b/plugins/markdown/markdown.php
index 8823af91..628970d6 100644
--- a/plugins/markdown/markdown.php
+++ b/plugins/markdown/markdown.php
@@ -7,6 +7,8 @@
  */
 
 use Shaarli\Config\ConfigManager;
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Router;
 
 /*
  * If this tag is used on a shaare, the description won't be processed by Parsedown.
diff --git a/plugins/piwik/piwik.php b/plugins/piwik/piwik.php
index ca00c2be..17b1aecc 100644
--- a/plugins/piwik/piwik.php
+++ b/plugins/piwik/piwik.php
@@ -4,6 +4,8 @@
  * Adds tracking code on each page.
  */
 
+use Shaarli\Plugin\PluginManager;
+
 /**
  * Initialization function.
  * It will be called when the plugin is loaded.
diff --git a/plugins/playvideos/playvideos.php b/plugins/playvideos/playvideos.php
index c6d6b0cc..0341ed59 100644
--- a/plugins/playvideos/playvideos.php
+++ b/plugins/playvideos/playvideos.php
@@ -6,6 +6,9 @@
  * Note: this plugin adds jQuery.
  */
 
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Router;
+
 /**
  * When linklist is displayed, add play videos to header's toolbar.
  *
diff --git a/plugins/pubsubhubbub/pubsubhubbub.php b/plugins/pubsubhubbub/pubsubhubbub.php
index 9f0342a3..2878c050 100644
--- a/plugins/pubsubhubbub/pubsubhubbub.php
+++ b/plugins/pubsubhubbub/pubsubhubbub.php
@@ -11,6 +11,9 @@
 
 use pubsubhubbub\publisher\Publisher;
 use Shaarli\Config\ConfigManager;
+use Shaarli\Feed\FeedBuilder;
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Router;
 
 /**
  * Plugin init function - set the hub to the default appspot one.
diff --git a/plugins/qrcode/qrcode.html b/plugins/qrcode/qrcode.html
index dc214ed1..a21f7932 100644
--- a/plugins/qrcode/qrcode.html
+++ b/plugins/qrcode/qrcode.html
@@ -1,5 +1,5 @@
 <div class="linkqrcode">
-    <a href="http://qrfree.kaywa.com/?l=1&amp;s=8&amp;d=%s" onclick="showQrCode(this); return false;" class="qrcode" data-permalink="%s">
+    <a href="#" onclick="showQrCode(this); return false;" class="qrcode" data-permalink="%s">
         <img src="%s/qrcode/qrcode.png" class="linklist-plugin-icon" title="QR-Code" alt="QRCode">
     </a>
 </div>
diff --git a/plugins/qrcode/qrcode.php b/plugins/qrcode/qrcode.php
index 4b59caa0..c1d237d5 100644
--- a/plugins/qrcode/qrcode.php
+++ b/plugins/qrcode/qrcode.php
@@ -5,6 +5,9 @@
  * Display a QRCode icon in link list.
  */
 
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Router;
+
 /**
  * Add qrcode icon to link_plugin when rendering linklist.
  *
@@ -19,7 +22,6 @@ function hook_qrcode_render_linklist($data)
     foreach ($data['links'] as &$value) {
         $qrcode = sprintf(
             $qrcode_html,
-            urlencode($value['url']),
             $value['url'],
             PluginManager::$PLUGINS_PATH
         );
diff --git a/plugins/wallabag/WallabagInstance.php b/plugins/wallabag/WallabagInstance.php
index eb8ab618..f4a0a92b 100644
--- a/plugins/wallabag/WallabagInstance.php
+++ b/plugins/wallabag/WallabagInstance.php
@@ -1,4 +1,5 @@
 <?php
+namespace Shaarli\Plugin\Wallabag;
 
 /**
  * Class WallabagInstance.
diff --git a/plugins/wallabag/wallabag.php b/plugins/wallabag/wallabag.php
index a6476c71..bc35df08 100644
--- a/plugins/wallabag/wallabag.php
+++ b/plugins/wallabag/wallabag.php
@@ -1,11 +1,11 @@
 <?php
-
 /**
- * Plugin Wallabag.
+ * Wallabag plugin
  */
 
-require_once 'WallabagInstance.php';
 use Shaarli\Config\ConfigManager;
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Plugin\Wallabag\WallabagInstance;
 
 /**
  * Init function, return an error if the server is not set.