<?php

/**

* @version $Revision$

* @package liberty

* @subpackage functions

*/

$gBitSmarty->assign( 'source', 0 );

// If we have to include a preview please show it

$gBitSmarty->assign( 'preview', FALSE );

$gBitSmarty->assign( 'compare', 'n' );

$gBitSmarty->assign( 'diff2', 'n' );

if( isset( $_REQUEST["delete"] ) && isset( $_REQUEST["hist"] )) {

foreach( array_keys( $_REQUEST["hist"] ) as $version ) {

$gContent->expungeVersion( $version );

}

} elseif( isset( $_REQUEST['source'] )) {

$gBitSmarty->assign( 'source', $_REQUEST['source'] );

if( $_REQUEST['source'] == 'current' ) {

$gBitSmarty->assign( 'sourcev', nl2br( htmlentities( $gContent->mInfo["data"] )));

} else {

$version = $gContent->getHistory( $_REQUEST["source"] );

$gBitSmarty->assign( 'sourcev', nl2br( htmlentities( $version["data"][0]["data"] )));

}

} elseif( @BitBase::verifyId( $_REQUEST["preview"] )) {

if( $version = $gContent->getHistory( $_REQUEST["preview"] )) {

$version['data'][0]['no_cache'] = TRUE;

$version['data'][0]['parsed_data'] = $gContent->parseData( $version["data"][0] );

$gBitSmarty->assign_by_ref( $smartyContentRef, $version['data'][0] );

$gBitSmarty->assign_by_ref( 'version', $_REQUEST["preview"] );

}

} elseif( @BitBase::verifyId( $_REQUEST["diff2"] ) ) {

$from_version = $_REQUEST["diff2"];

$from_page = $gContent->getHistory( $from_version );

$from_lines = explode( "\n",$from_page["data"][0]["data"] );

if( isset( $_REQUEST["diff_to"] ) && $_REQUEST["diff_to"] != $gContent->mInfo["version"] ) {

$to_version = $_REQUEST["diff_to"];

$to_page = $gContent->getHistory( $to_version );

$to_lines = explode( "\n",$to_page["data"][0]["data"] );

} else {

$to_version = $gContent->mInfo["version"];

$to_lines = explode( "\n",$gContent->mInfo["data"] );

}

/**

* run 'pear install Text_Diff' to install the library,

*/

if( $gBitSystem->isFeatureActive( 'liberty_inline_diff' ) && @include_once( 'Text/Diff.php' )) {

include_once( 'Text/Diff/Renderer/inline.php' );

$diff = new Text_Diff( $from_lines, $to_lines );

$renderer = new Text_Diff_Renderer_inline();

$html = $renderer->render( $diff );

} else {

include_once( UTIL_PKG_PATH.'diff.php');

$diffx = new WikiDiff( $from_lines,$to_lines );

$fmt = new WikiUnifiedDiffFormatter;

$html = $fmt->format( $diffx, $from_lines );

}

$gBitSmarty->assign( 'diffdata', $html );

$gBitSmarty->assign( 'diff2', 'y' );

$gBitSmarty->assign( 'version_from', $from_version );

$gBitSmarty->assign( 'version_to', $to_version );

} elseif( @BitBase::verifyId( $_REQUEST["compare"] )) {

$from_version = $_REQUEST["compare"];

$from_page = $gContent->getHistory( $from_version );

$from_page['data'][0]['no_cache'] = TRUE;

$gBitSmarty->assign( 'compare', 'y' );

$gBitSmarty->assign_by_ref( 'diff_from', $gContent->parseData( $from_page['data'][0] ) );

$gBitSmarty->assign_by_ref( 'diff_to', $gContent->parseData() );

$gBitSmarty->assign_by_ref( 'version_from', $from_version );

} elseif( @BitBase::verifyId( $_REQUEST["rollback"] )) {

$gContent->verifyUserPermission( !empty( $rollbackPerm ) ? $rollbackPerm : $gContent->mUpdateContentPerm );

if( !isset( $_REQUEST["rollback_comment"] )) {

$_REQUEST["rollback_comment"] = '';

}

if( $gContent->rollbackVersion( $_REQUEST["rollback"], $_REQUEST["rollback_comment"] )) {

bit_redirect( $gContent->getDisplayUrl() );

}

}

?>