ordersprinter/php/commonutils.php

<?php

require_once ('dbutils.php');


class CommonUtils {
	var $dbutils;
	
	function __construct() {
		$this->dbutils = new DbUtils();
		// $this->products = new Products(); --> endless loop!
		// $this->lastSettingOfDisplayMode = "all";
	}
	
	function createGridTableWithSqrtSizeOfButtons ($inputArray) {
		// create a table that is optimal (sqrt-like size)
		$numberOfIcons = count($inputArray); 
		if ($numberOfIcons == 0) {
			// no items to display
			return;
		}
		$numberOfCols = ceil(sqrt($numberOfIcons));
		$porcentageWidth = floor(100/$numberOfCols);
		
		echo '<table class=gridtable>';
		$colcounter = 0;
		for ($index=0;$index<$numberOfIcons;$index++) {
			if ($colcounter == 0) {
				echo "<tr><td>";
			}
			$anEntry = $inputArray[$index];
			$textOfButton = $anEntry["textOfButton"]; #
			$onClickMethod = $anEntry["onClickMethod"]; // With parameters!
			
			$button = '<input type="button" value="' . $textOfButton . '"';			
			$button = $button . ' onclick="' . $onClickMethod . '"';
			$button = $button . ' style="height: 50px; width:' . $porcentageWidth . '%; font-size:20px; background-color:#b3b3c9" />';
			echo $button;
			$colcounter++;
			if ($colcounter == $numberOfCols) {
				$colcounter = 0;
				echo "</tr>";
			}
		}
		echo "</tr>";
		echo "</table>";
	}
	
	
	function createGridTableWithSqrtSizeOfStyleButtons($inputArray) {
		$this->createGridTableWithSqrtSizeOfStyleButtonsAndHeader($inputArray,'','dummy');
	}
	
	function getTableNameFromId($tableid) {
		$sql = "SELECT tableno FROM " . DB_RESTTABLES_TABLE . " WHERE id=". $tableid;
		$dbresult = $this->dbutils->performSqlCommand($sql);
		$zeile = mysqli_fetch_array( $dbresult, MYSQL_ASSOC);
		$tablename = $zeile['tableno'];
		mysqli_free_result( $dbresult );
		return $tablename;
	}
	
	function getCurrentPriceLevel() {
		$sql = "SELECT setting FROM %config% WHERE name='pricelevel'";
		$dbresult = $this->dbutils->performSqlCommand($sql);
		$zeile = mysqli_fetch_array( $dbresult, MYSQL_ASSOC);
		$pricelevelid = $zeile['setting'];
		mysqli_free_result( $dbresult );
		
		$sql = "SELECT id,name FROM %pricelevel% WHERE id=$pricelevelid";
		$dbresult = $this->dbutils->performSqlCommand($sql);
		$zeile = mysqli_fetch_array( $dbresult, MYSQL_ASSOC);
		$pricelevelname = $zeile['name'];
		mysqli_free_result( $dbresult );
		
		return (array("id" => $pricelevelid, "name" => $pricelevelname));
	}
	
	function createGridTableWithSqrtSizeOfStyleButtonsAndHeader ($inputArray,$headline,$headercolor) {
		// create a table that is optimal (sqrt-like size)
		$numberOfIcons = count($inputArray);
		if ($numberOfIcons == 0) {
			// no items to display
			return;
		}
		$numberOfCols = ceil(sqrt($numberOfIcons));
		$porcentageWidth = floor(100.0/$numberOfCols);
	
		echo '<table class=gridtable>';
		
		// Headline
		if ($headline <> '') {
			echo '<tr><th style="background-color:#' . $headercolor . '">' . $headline . '</th>';
		}
		
		$colcounter = 0;
		for ($index=0;$index<$numberOfIcons;$index++) {
			if ($colcounter == 0) {
				echo "<tr><td>";
			}
			$anEntry = $inputArray[$index];
			$textOfButton = $anEntry["textOfButton"]; #
			$onClickMethod = $anEntry["onClickMethod"]; // With parameters!
			$style = $anEntry["style"];
				
			$button = '<input type="button" value="' . $textOfButton . '"';
			$button = $button . ' onclick="' . $onClickMethod . '"';
			$button = $button . ' style="' . $style . '; width:' . $porcentageWidth . '%;" />';
			echo $button;
			$colcounter++;
			if ($colcounter == $numberOfCols) {
				$colcounter = 0;
				echo "</tr>";
			}
		}
		echo "</tr>";
		echo "</table>";
	}
	
}
?>