diff sites/all/modules/views/handlers/views_handler_argument_date.inc @ 0:ff03f76ab3fe

initial version

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sites/all/modules/views/handlers/views_handler_argument_date.inc	Wed Aug 21 18:51:11 2013 +0100
@@ -0,0 +1,101 @@
+<?php
+
+/**
+ * @file
+ * Definition of views_handler_argument_date.
+ */
+
+/**
+ * Abstract argument handler for dates.
+ *
+ * Adds an option to set a default argument based on the current date.
+ *
+ * @param $arg_format
+ *   The format string to use on the current time when
+ *   creating a default date argument.
+ *
+ * Definitions terms:
+ * - many to one: If true, the "many to one" helper will be used.
+ * - invalid input: A string to give to the user for obviously invalid input.
+ *                  This is deprecated in favor of argument validators.
+ *
+ * @see views_many_to_one_helper()
+ *
+ * @ingroup views_argument_handlers
+ */
+class views_handler_argument_date extends views_handler_argument_formula {
+  var $option_name = 'default_argument_date';
+  var $arg_format = 'Y-m-d';
+
+  /**
+   * Add an option to set the default value to the current date.
+   */
+  function default_argument_form(&$form, &$form_state) {
+    parent::default_argument_form($form, $form_state);
+    $form['default_argument_type']['#options'] += array('date' => t('Current date'));
+    $form['default_argument_type']['#options'] += array('node_created' => t("Current node's creation time"));
+    $form['default_argument_type']['#options'] += array('node_changed' => t("Current node's update time"));  }
+
+  /**
+   * Set the empty argument value to the current date,
+   * formatted appropriately for this argument.
+   */
+  function get_default_argument($raw = FALSE) {
+    if (!$raw && $this->options['default_argument_type'] == 'date') {
+      return date($this->arg_format, REQUEST_TIME);
+    }
+    else if (!$raw && in_array($this->options['default_argument_type'], array('node_created', 'node_changed'))) {
+      foreach (range(1, 3) as $i) {
+        $node = menu_get_object('node', $i);
+        if (!empty($node)) {
+          continue;
+        }
+      }
+
+      if (arg(0) == 'node' && is_numeric(arg(1))) {
+        $node = node_load(arg(1));
+      }
+
+      if (empty($node)) {
+        return parent::get_default_argument();
+      }
+      elseif ($this->options['default_argument_type'] == 'node_created') {
+        return date($this->arg_format, $node->created);
+      }
+      elseif ($this->options['default_argument_type'] == 'node_changed') {
+        return date($this->arg_format, $node->changed);
+      }
+    }
+
+    return parent::get_default_argument($raw);
+  }
+
+  /**
+   * The date handler provides some default argument types, which aren't argument default plugins,
+   * so addapt the export mechanism.
+   */
+  function export_plugin($indent, $prefix, $storage, $option, $definition, $parents) {
+
+    // Only use a special behaviour for the special argument types, else just
+    // use the default behaviour.
+    if ($option == 'default_argument_type') {
+      $type = 'argument default';
+      $option_name = 'default_argument_options';
+
+      $plugin = $this->get_plugin($type);
+      $name = $this->options[$option];
+      if (in_array($name, array('date', 'node_created', 'node_changed'))) {
+
+        // Write which plugin to use.
+        $output = $indent . $prefix . "['$option'] = '$name';\n";
+        return $output;
+      }
+    }
+    return parent::export_plugin($indent, $prefix, $storage, $option, $definition, $parents);
+  }
+
+
+  function get_sort_name() {
+    return t('Date', array(), array('context' => 'Sort order'));
+  }
+}