← All changes | classes/Visualizer/Module.php +72 -0 3.0.6 → 3.0.10 View file →

		@@ -62,8 +62,12 @@
62	62	global $wpdb;
63	63
64	64	$this->_wpdb = $wpdb;
65	65	$this->_plugin = $plugin;
	66	+
	67	+ $this->_addFilter( Visualizer_Plugin::FILTER_UNDO_REVISIONS, 'undoRevisions', 10, 2 );
	68	+ $this->_addFilter( Visualizer_Plugin::FILTER_HANDLE_REVISIONS, 'handleExistingRevisions', 10, 2 );
	69	+
66	70	}
67	71
68	72	/**
69	73	* Registers an action hook.
		@@ -320,7 +324,75 @@
320	324	</html>';
321	325	return array(
322	326	'csv' => $html,
323	327	);
	328	+ }
	329	+
	330	+ /**
	331	+ * Undo revisions for the chart, and if necessary, restore the earliest version.
	332	+ *
	333	+ * @return bool If any revisions were found.
	334	+ */
	335	+ public final function undoRevisions( $chart_id, $restore = false ) {
	336	+ do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'undoRevisions for %d with%s restore', $chart_id, ( $restore ? '' : 'out' ) ), 'debug', __FILE__, __LINE__ );
	337	+
	338	+ $revisions = wp_get_post_revisions( $chart_id, array( 'order' => 'ASC' ) );
	339	+ if ( count( $revisions ) > 1 ) {
	340	+ $revision_ids = array_keys( $revisions );
	341	+
	342	+ do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'found %d revisions = %s', count( $revisions ), print_r( $revision_ids, true ) ), 'debug', __FILE__, __LINE__ );
	343	+
	344	+ // when we restore, a new revision is likely to be created. so, let's disable revisions for the time being.
	345	+ add_filter( 'wp_revisions_to_keep', '__return_false' );
	346	+
	347	+ if ( $restore ) {
	348	+ // restore to the oldest one i.e. the first one.
	349	+ wp_restore_post_revision( array_shift( $revision_ids ) );
	350	+ }
	351	+
	352	+ // delete all revisions.
	353	+ foreach ( $revision_ids as $id ) {
	354	+ wp_delete_post_revision( $id );
	355	+ }
	356	+
	357	+ return true;
	358	+ }
	359	+ return false;
	360	+ }
	361	+
	362	+ /**
	363	+ * If existing revisions exist for the chart, restore the earliest version and then create a new revision to initiate editing.
	364	+ */
	365	+ public final function handleExistingRevisions( $chart_id, $chart ) {
	366	+ do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'handleExistingRevisions for %d', $chart_id ), 'debug', __FILE__, __LINE__ );
	367	+
	368	+ // undo revisions.
	369	+ $revisions_found = $this->undoRevisions( $chart_id, true );
	370	+
	371	+ // create revision for the edit action.
	372	+ wp_save_post_revision( $chart_id );
	373	+
	374	+ if ( $revisions_found ) {
	375	+ // fetch chart data again in case it was updated by an earlier revision.
	376	+ $chart = get_post( $chart_id );
	377	+ }
	378	+ return $chart;
	379	+ }
	380	+
	381	+ /**
	382	+ * Returns the language of the locale.
	383	+ *
	384	+ * @access protected
	385	+ */
	386	+ protected function get_language() {
	387	+ $locale = get_locale();
	388	+ if ( empty( $locale ) ) {
	389	+ return '';
	390	+ }
	391	+ $array = explode( '_', $locale );
	392	+ if ( count( $array ) < 2 ) {
	393	+ return '';
	394	+ }
	395	+ return reset( $array );
324	396	}
325	397
326	398	}