diff sites/all/modules/ctools/ctools_plugin_example/plugins/contexts/simplecontext.inc @ 0:ff03f76ab3fe

initial version

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sites/all/modules/ctools/ctools_plugin_example/plugins/contexts/simplecontext.inc	Wed Aug 21 18:51:11 2013 +0100
@@ -0,0 +1,134 @@
+<?php
+
+
+/**
+ * @file
+ * Sample ctools context type plugin that shows how to create a context from an arg.
+ *
+ */
+
+/**
+ * Plugins are described by creating a $plugin array which will be used
+ * by the system that includes this file.
+ */
+$plugin = array(
+  'title' => t("Simplecontext"),
+  'description' => t('A single "simplecontext" context, or data element.'),
+  'context' => 'ctools_plugin_example_context_create_simplecontext',  // func to create context
+  'context name' => 'simplecontext',
+  'settings form' => 'simplecontext_settings_form',
+  'keyword' => 'simplecontext',
+
+  // Provides a list of items which are exposed as keywords.
+  'convert list' => 'simplecontext_convert_list',
+  // Convert keywords into data.
+  'convert' => 'simplecontext_convert',
+
+  'placeholder form' => array(
+    '#type' => 'textfield',
+    '#description' => t('Enter some data to represent this "simplecontext".'),
+  ),
+);
+
+/**
+ * Create a context, either from manual configuration or from an argument on the URL.
+ *
+ * @param $empty
+ *   If true, just return an empty context.
+ * @param $data
+ *   If from settings form, an array as from a form. If from argument, a string.
+ * @param $conf
+ *   TRUE if the $data is coming from admin configuration, FALSE if it's from a URL arg.
+ *
+ * @return
+ *   a Context object/
+ */
+function ctools_plugin_example_context_create_simplecontext($empty, $data = NULL, $conf = FALSE) {
+  $context = new ctools_context('simplecontext');
+  $context->plugin = 'simplecontext';
+
+  if ($empty) {
+    return $context;
+  }
+
+  if ($conf) {
+    if (!empty($data)) {
+      $context->data = new stdClass();
+      // For this simple item we'll just create our data by stripping non-alpha and
+      // adding '_from_configuration_item_1' to it.
+      $context->data->item1 = t("Item1");
+      $context->data->item2 = t("Item2");
+      $context->data->description = preg_replace('/[^a-z]/i', '', $data['sample_simplecontext_setting']);
+      $context->data->description .= '_from_configuration_sample_simplecontext_setting';
+      $context->title = t("Simplecontext context from config");
+      return $context;
+    }
+  }
+  else {
+    // $data is coming from an arg - it's just a string.
+    // This is used for keyword.
+    $context->title = $data;
+    $context->argument = $data;
+    // Make up a bogus context
+    $context->data = new stdClass();
+    $context->data->item1 = t("Item1");
+    $context->data->item2 = t("Item2");
+
+    // For this simple item we'll just create our data by stripping non-alpha and
+    // adding '_from_simplecontext_argument' to it.
+    $context->data->description = preg_replace('/[^a-z]/i', '', $data);
+    $context->data->description .= '_from_simplecontext_argument';
+    $context->arg_length = strlen($context->argument);
+    return $context;
+  }
+}
+
+function simplecontext_settings_form($conf, $external = FALSE) {
+  if (empty($conf)) {
+    $conf = array(
+      'sample_simplecontext_setting' => 'default simplecontext setting',
+    );
+  }
+  $form = array();
+  $form['sample_simplecontext_setting'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Setting for simplecontext'),
+    '#size' => 50,
+    '#description' => t('An example setting that could be used to configure a context'),
+    '#default_value' => $conf['sample_simplecontext_setting'],
+    '#prefix' => '<div class="clear-block no-float">',
+    '#suffix' => '</div>',
+  );
+  return $form;
+}
+
+
+
+/**
+ * Provide a list of sub-keywords.
+ *
+ * This is used to provide keywords from the context for use in a content type,
+ * pane, etc.
+ */
+function simplecontext_convert_list() {
+  return array(
+    'item1' => t('Item1'),
+    'item2' => t('Item2'),
+    'description' => t('Description'),
+  );
+}
+
+/**
+ * Convert a context into a string to be used as a keyword by content types, etc.
+ */
+function simplecontext_convert($context, $type) {
+  switch ($type) {
+    case 'item1':
+      return $context->data->item1;
+    case 'item2':
+      return $context->data->item2;
+    case 'description':
+      return $context->data->description;
+  }
+}
+