3 import java.text.NumberFormat;
5 import tim.prune.I18nManager;
8 * Class to provide general display util methods
10 public abstract class DisplayUtils
12 /** Number formatter for one decimal place */
13 private static final NumberFormat FORMAT_ONE_DP = NumberFormat.getNumberInstance();
15 /** Static block to initialise the one d.p. formatter */
18 FORMAT_ONE_DP.setMaximumFractionDigits(1);
19 FORMAT_ONE_DP.setMinimumFractionDigits(1);
21 /** Flexible number formatter with different decimal places */
22 private static final NumberFormat FORMAT_FLEX = NumberFormat.getNumberInstance();
26 * Build a String to describe a time duration
27 * @param inNumSecs number of seconds
28 * @return time as a string, days, hours, mins, secs as appropriate
30 public static String buildDurationString(long inNumSecs)
32 if (inNumSecs <= 0L) return "";
33 if (inNumSecs < 60L) return "" + inNumSecs + I18nManager.getText("display.range.time.secs");
34 if (inNumSecs < 3600L) return "" + (inNumSecs / 60) + I18nManager.getText("display.range.time.mins")
35 + " " + (inNumSecs % 60) + I18nManager.getText("display.range.time.secs");
36 if (inNumSecs < 86400L) return "" + (inNumSecs / 60 / 60) + I18nManager.getText("display.range.time.hours")
37 + " " + ((inNumSecs / 60) % 60) + I18nManager.getText("display.range.time.mins");
38 if (inNumSecs < 432000L) return "" + (inNumSecs / 86400L) + I18nManager.getText("display.range.time.days")
39 + " " + (inNumSecs / 60 / 60) % 24 + I18nManager.getText("display.range.time.hours");
40 if (inNumSecs < 86400000L) return "" + (inNumSecs / 86400L) + I18nManager.getText("display.range.time.days");
45 * @param inNumber number to format
46 * @return formatted number to one decimal place
48 public static String formatOneDp(double inNumber)
50 return FORMAT_ONE_DP.format(inNumber);
54 * Format a number to a sensible precision
55 * @param inVal value to format
56 * @return formatted String using local format
58 public static String roundedNumber(double inVal)
60 // Set precision of formatter
64 else if (inVal < 10.0)
66 else if (inVal < 100.0)
69 FORMAT_FLEX.setMaximumFractionDigits(numDigits);
70 FORMAT_FLEX.setMinimumFractionDigits(numDigits);
71 return FORMAT_FLEX.format(inVal);
75 * Convert the given hour and minute values into a string H:MM
76 * @param inHour hour of day, 0-24
77 * @param inMinute minute, 0-59
78 * @return string, either H:MM or HH:MM
80 public static String makeTimeString(int inHour, int inMinute)
82 StringBuilder sb = new StringBuilder();
83 final int hour = (inHour >= 0 && inHour <= 24) ? inHour : 0;
88 final int minute = (inMinute >= 0 && inMinute <= 59) ? inMinute : 0;
89 if (minute <= 9) {sb.append('0');}