/lenasys/trunk

<?php

class Codeviewer_model extends CI_Model {

	function __construct(){

		$this->load->database();

	}

	function showFile($filename, $lang, $interestingrows = array()) {

		$output = "";

		$output .= '<div class="editorinfo">'.$lang.'&nbsp;&nbsp;&nbsp;&nbsp;'.$filename.'</div>';

		$output .= '<div id="ace_'.str_replace(".", "", $filename).'" class="ace">';

		$handle = @fopen($filename, "r");

		if ($handle) {

			while (($buffer = fgets($handle, 4096)) !== false) {

				$buffer = str_replace("&", "&", $buffer);

				$buffer = str_replace("<", "&lt;", $buffer);

				$buffer = str_replace(">", ">", $buffer);

				$output .= $buffer;

			}

			if (!feof($handle)) {

				$output .= "Error: unexpected fgets() fail\n";

			}

			fclose($handle);

		}

		$output .= '</div>';

		$output .=  '<script type="text/javascript">

		var Range = require("ace/range").Range;

		var editor = ace.edit("ace_'.str_replace(".", "", $filename).'");

		editor.setTheme("ace/theme/merbivore");

		editor.getSession().setMode("ace/mode/'.$lang.'");

		editor.setReadOnly(true);

		editor.setShowPrintMargin(false);

		editor.setDisplayIndentGuides(false);

		editor.setHighlightSelectedWord(true);

		lines = editor.getSession().getLength();

		$("#ace_'.str_replace(".", "", $filename).'").height(Math.min(500,lines*16));

		aceeditors.push("ace_'.str_replace(".", "", $filename).'");';

		for($i = 0; $i < count($interestingrows); $i++) {

			$output .= 'editor.getSession().addMarker(new Range('.$interestingrows[$i][0].', 0, '

				.$interestingrows[$i][1].', Number.POSITIVE_INFINITY), "interesting", "text",false);';

		}

		$output .= '</script>';

		return $output;

	}

	function getFiles($course, $example, $page){

		$files = array();

		if ($handle = opendir("../courses/".$course."/". $example."/".$page."/")) {

			while (false !== ($entry = readdir($handle))) {

				if($entry == "." || $entry == "..") continue;

				$files[] = "../courses/".$course."/". $example."/".$page."/".$entry;

			}

		}

		return $files;

	}

	function getDoc($cid, $example, $page){

		$this->db->select('documentation');

		$query = $this->db->get_where('pages', array('cid' => $cid, 'example' => $example, 'page' => $page));

		$result = $query->result();

		return $result[0]->documentation;

	}

}