1<?php
2
3/**
4 *    pChart - a PHP class to build charts!
5 *
6 *    This program is free software: you can redistribute it and/or modify
7 *    it under the terms of the GNU General Public License as published by
8 *    the Free Software Foundation, either version 1,2,3 of the License, or
9 *    (at your option) any later version.
10 *
11 *    This program is distributed in the hope that it will be useful,
12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *    GNU General Public License for more details.
15 *
16 *    You should have received a copy of the GNU General Public License
17 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
18 */
19
20/**
21 * Provides static helper methods for converting values from one
22 * format to another for display.
23 *
24 * These methods don't have state, they're only in a class for
25 * purposes of namespacing.
26 */
27class ConversionHelpers {
28	/**
29	 * Convert seconds to a time format string
30	 */
31	static public function ToTime($Value) {
32		$Hour = floor ( $Value / 3600 );
33		$Minute = floor ( ($Value - $Hour * 3600) / 60 );
34		$Second = floor ( $Value - $Hour * 3600 - $Minute * 60 );
35
36		if (strlen ( $Hour ) == 1) {
37			$Hour = "0" . $Hour;
38		}
39		if (strlen ( $Minute ) == 1) {
40			$Minute = "0" . $Minute;
41		}
42		if (strlen ( $Second ) == 1) {
43			$Second = "0" . $Second;
44		}
45
46		return ($Hour . ":" . $Minute . ":" . $Second);
47	}
48
49	/**
50	 * Convert to metric system
51	 */
52	static public function ToMetric($Value) {
53		$Go = floor ( $Value / 1000000000 );
54		$Mo = floor ( ($Value - $Go * 1000000000) / 1000000 );
55		$Ko = floor ( ($Value - $Go * 1000000000 - $Mo * 1000000) / 1000 );
56		$o = floor ( $Value - $Go * 1000000000 - $Mo * 1000000 - $Ko * 1000 );
57
58		if ($Go != 0) {
59			return ($Go . "." . $Mo . "g");
60		}
61		if ($Mo != 0) {
62			return ($Mo . "." . $Ko . "m");
63		}
64		if ($Ko != 0) {
65			return ($Ko . "." . $o) . "k";
66		}
67		return ($o);
68	}
69
70	/**
71	 * Convert to curency
72	 */
73	static public function ToCurrency($Value) {
74		$Go = floor ( $Value / 1000000000 );
75		$Mo = floor ( ($Value - $Go * 1000000000) / 1000000 );
76		$Ko = floor ( ($Value - $Go * 1000000000 - $Mo * 1000000) / 1000 );
77		$o = floor ( $Value - $Go * 1000000000 - $Mo * 1000000 - $Ko * 1000 );
78
79		if (strlen ( $o ) == 1) {
80			$o = "00" . $o;
81		}
82		if (strlen ( $o ) == 2) {
83			$o = "0" . $o;
84		}
85
86		$ResultString = $o;
87		if ($Ko != 0) {
88			$ResultString = $Ko . "." . $ResultString;
89		}
90		if ($Mo != 0) {
91			$ResultString = $Mo . "." . $ResultString;
92		}
93		if ($Go != 0) {
94			$ResultString = $Go . "." . $ResultString;
95		}
96
97		$ResultString = $this->Currency . $ResultString;
98		return ($ResultString);
99	}
100}