first import

sites/all/modules/panels/plugins/cache/simple.inc

@@ -0,0 +1,149 @@
+<?php
+
+/**
+ * @file
+ * Provides a simple time-based caching option for panel panes.
+ */
+
+// Plugin definition
+$plugin = array(
+  'title' => t("Simple cache"),
+  'description' => t('Simple caching is a time-based cache. This is a hard limit, and once cached it will remain that way until the time limit expires.'),
+  'cache get' => 'panels_simple_cache_get_cache',
+  'cache set' => 'panels_simple_cache_set_cache',
+  'cache clear' => 'panels_simple_cache_clear_cache',
+  'settings form' => 'panels_simple_cache_settings_form',
+  'settings form submit' => 'panels_simple_cache_settings_form_submit',
+  'defaults' => array(
+    'lifetime' => 15,
+    'granularity' => 'none',
+  ),
+);
+
+/**
+ * Get cached content.
+ */
+function panels_simple_cache_get_cache($conf, $display, $args, $contexts, $pane = NULL) {
+  $cid = panels_simple_cache_get_id($conf, $display, $args, $contexts, $pane);
+  $cache = cache_get($cid, 'cache');
+  if (!$cache) {
+    return FALSE;
+  }
+
+  if ((time() - $cache->created) > $conf['lifetime']) {
+    return FALSE;
+  }
+
+  return $cache->data;
+}
+
+/**
+ * Set cached content.
+ */
+function panels_simple_cache_set_cache($conf, $content, $display, $args, $contexts, $pane = NULL) {
+  $cid = panels_simple_cache_get_id($conf, $display, $args, $contexts, $pane);
+  cache_set($cid, $content);
+}
+
+/**
+ * Clear cached content.
+ *
+ * Cache clears are always for an entire display, regardless of arguments.
+ */
+function panels_simple_cache_clear_cache($display) {
+  $cid = 'panels_simple_cache';
+
+  // This is used in case this is an in-code display, which means did will be something like 'new-1'.
+  if (isset($display->owner) && isset($display->owner->id)) {
+    $cid .= ':' . $display->owner->id;
+  }
+  $cid .= ':' . $display->did;
+
+  cache_clear_all($cid, 'cache', TRUE);
+}
+
+/**
+ * Figure out an id for our cache based upon input and settings.
+ */
+function panels_simple_cache_get_id($conf, $display, $args, $contexts, $pane) {
+  $id = 'panels_simple_cache';
+
+  // If the panel is stored in the database it'll have a numeric did value.
+  if (is_numeric($display->did)) {
+    $id .= ':' . $display->did;
+  }
+  // Exported panels won't have a numeric did but may have a usable cache_key.
+  elseif (!empty($display->cache_key)) {
+    $id .= ':' . str_replace('panel_context:', '', $display->cache_key);
+  }
+  // Alternatively use the css_id.
+  elseif (!empty($display->css_id)) {
+    $id .= ':' . $display->css_id;
+  }
+  // Failover to just appending the did, which may be the completely unusable
+  // string 'new'.
+  else {
+    $id .= ':' . $display->did;
+  }
+
+  if ($pane) {
+    $id .= ':' . $pane->pid;
+  }
+
+  if (user_access('view pane admin links')) {
+    $id .= ':admin';
+  }
+
+  switch ($conf['granularity']) {
+    case 'args':
+      foreach ($args as $arg) {
+        $id .= ':' . $arg;
+      }
+      break;
+
+    case 'context':
+      if (!is_array($contexts)) {
+        $contexts = array($contexts);
+      }
+      foreach ($contexts as $context) {
+        if (isset($context->argument)) {
+          $id .= ':' . $context->argument;
+        }
+      }
+  }
+  if (module_exists('locale')) {
+    global $language;
+    $id .= ':' . $language->language;
+  }
+
+  if(!empty($pane->configuration['use_pager']) && !empty($_GET['page'])) {
+    $id .= ':p' . check_plain($_GET['page']);
+  }
+
+  return $id;
+}
+
+function panels_simple_cache_settings_form($conf, $display, $pid) {
+  $options = drupal_map_assoc(array(15, 30, 60, 120, 180, 240, 300, 600, 900, 1200, 1800, 3600, 7200, 14400, 28800, 43200, 86400, 172800, 259200, 345600, 604800), 'format_interval');
+  $form['lifetime'] = array(
+    '#title' => t('Lifetime'),
+    '#type' => 'select',
+    '#options' => $options,
+    '#default_value' => $conf['lifetime'],
+  );
+
+  $form['granularity'] = array(
+    '#title' => t('Granularity'),
+    '#type' => 'select',
+    '#options' => array(
+      'args' => t('Arguments'),
+      'context' => t('Context'),
+      'none' => t('None'),
+    ),
+    '#description' => t('If "arguments" are selected, this content will be cached per individual argument to the entire display; if "contexts" are selected, this content will be cached per unique context in the pane or display; if "neither" there will be only one cache for this pane.'),
+    '#default_value' => $conf['granularity'],
+  );
+
+  return $form;
+}
+