* import of php connector v1.2

1 files changed, 187 insertions, 0 deletions

diff --git a/codebase/db_excel.php b/codebase/db_excel.php
new file mode 100644
index 0000000..09db5b0
--- /dev/null
+++ b/codebase/db_excel.php
@@ -0,0 +1,187 @@
+<?php
+/*
+	@author dhtmlx.com
+	@license GPL, see license.txt
+*/
+require_once('db_common.php');
+
+if (!defined('DHX_IGNORE_EMPTY_ROWS')) {
+	define('DHX_IGNORE_EMPTY_ROWS', true);
+}
+
+class ExcelDBDataWrapper extends DBDataWrapper {
+	
+	public $emptyLimit = 10;
+	public function excel_data($points){
+		$path = $this->connection;
+		$excel = PHPExcel_IOFactory::createReaderForFile($path);
+		$excel = $excel->load($path);
+		$result = array();
+		$excelWS = $excel->getActiveSheet();
+		
+		for ($i=0; $i < sizeof($points); $i++) { 
+			$c = array();
+			preg_match("/^([a-zA-Z]+)(\d+)/", $points[$i], $c);
+			if (count($c) > 0) {
+				$col = PHPExcel_Cell::columnIndexFromString($c[1]) - 1;
+				$cell = $excelWS->getCellByColumnAndRow($col, (int)$c[2]);
+				$result[] = $cell->getValue();
+			}
+		}
+		
+		return $result;
+	}
+	public function select($source) {
+		$path = $this->connection;
+		$excel = PHPExcel_IOFactory::createReaderForFile($path);
+		$excel = $excel->load($path);
+		$excRes = new ExcelResult();
+		$excelWS = $excel->getActiveSheet();
+		$addFields = true;
+
+		$coords = array();
+		if ($source->get_source() == '*') {
+			$coords['start_row'] = 0;
+			$coords['end_row'] = false;
+		} else {
+			$c = array();
+			preg_match("/^([a-zA-Z]+)(\d+)/", $source->get_source(), $c);
+			if (count($c) > 0) {
+				$coords['start_row'] = (int) $c[2];
+			} else {
+				$coords['start_row'] = 0;
+			}
+			$c = array();
+			preg_match("/:(.+)(\d+)$/U", $source->get_source(), $c);
+			if (count($c) > 0) {
+				$coords['end_row'] = (int) $c[2];
+			} else {
+				$coords['end_row'] = false;
+			}
+		}
+
+		$i = $coords['start_row'];
+		$end = 0;
+		while ((($coords['end_row'] == false)&&($end < $this->emptyLimit))||(($coords['end_row'] !== false)&&($i < $coords['end_row']))) {
+			$r = Array();
+			$emptyNum = 0;
+			for ($j = 0; $j < count($this->config->text); $j++) {
+				$col = PHPExcel_Cell::columnIndexFromString($this->config->text[$j]['name']) - 1;
+				$cell = $excelWS->getCellByColumnAndRow($col, $i);
+				if ($cell->getDataType() == 'f') {
+					$r[PHPExcel_Cell::stringFromColumnIndex($col)] = $cell->getCalculatedValue();
+				} else {
+					$r[PHPExcel_Cell::stringFromColumnIndex($col)] = $cell->getValue();
+				}
+				if ($r[PHPExcel_Cell::stringFromColumnIndex($col)] == '') {
+					$emptyNum++;
+				}
+			}
+			if ($emptyNum < count($this->config->text)) {
+				$r['id'] = $i;
+				$excRes->addRecord($r);
+				$end = 0;
+			} else {
+				if (DHX_IGNORE_EMPTY_ROWS == false) {
+					$r['id'] = $i;
+					$excRes->addRecord($r);
+				}
+				$end++;
+			}
+			$i++;
+		}
+		return $excRes;
+	}
+
+	protected function query($sql) {
+	}
+
+	protected function get_new_id() {
+	}
+
+	public function escape($data) {
+	}	
+
+	public function get_next($res) {
+		return $res->next();
+	}
+
+}
+
+
+class ExcelResult {
+	private $rows;
+	private $currentRecord = 0;
+
+
+	// add record to output list
+	public function addRecord($file) {
+		$this->rows[] = $file;
+	}
+
+
+	// return next record
+	public function next() {
+		if ($this->currentRecord < count($this->rows)) {
+			$row = $this->rows[$this->currentRecord];
+			$this->currentRecord++;
+			return $row;
+		} else {
+			return false;
+		}
+	}
+
+
+	// sorts records under $sort array
+	public function sort($sort, $data) {
+		if (count($this->files) == 0) {
+			return $this;
+		}
+		// defines fields list if it's need
+		for ($i = 0; $i < count($sort); $i++) {
+			$fieldname = $sort[$i]['name'];
+			if (!isset($this->files[0][$fieldname])) {
+				if (isset($data[$fieldname])) {
+					$fieldname = $data[$fieldname]['db_name'];
+					$sort[$i]['name'] = $fieldname;
+				} else {
+					$fieldname = false;
+				}
+			}
+		}
+
+		// for every sorting field will sort
+		for ($i = 0; $i < count($sort); $i++) {
+			// if field, setted in sort parameter doesn't exist, continue
+			if ($sort[$i]['name'] == false) {
+				continue;
+			}
+			// sorting by current field
+			$flag = true;
+			while ($flag == true) {
+				$flag = false;
+				// checks if previous sorting fields are equal
+				for ($j = 0; $j < count($this->files) - 1; $j++) {
+					$equal = true;
+					for ($k = 0; $k < $i; $k++) {
+						if ($this->files[$j][$sort[$k]['name']] != $this->files[$j + 1][$sort[$k]['name']]) {
+							$equal = false;
+						}
+					}
+					// compares two records in list under current sorting field and sorting direction
+					if (((($this->files[$j][$sort[$i]['name']] > $this->files[$j + 1][$sort[$i]['name']])&&($sort[$i]['direction'] == 'ASC'))||(($this->files[$j][$sort[$i]['name']] < $this->files[$j + 1][$sort[$i]['name']])&&($sort[$i]['direction'] == 'DESC')))&&($equal == true)) {
+						$c = $this->files[$j];
+						$this->files[$j] = $this->files[$j+1];
+						$this->files[$j+1] = $c;
+						$flag = true;
+					}
+				}
+			}
+		}
+		return $this;
+	}
+
+}
+
+
+?>
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