src/be/nikiroo/jvcard/tui/UiColors.java

   1 package be.nikiroo.jvcard.tui;
   2
   3 import java.util.HashMap;
   4 import java.util.Map;
   5
   6 import com.googlecode.lanterna.TextColor;
   7 import com.googlecode.lanterna.gui2.Label;
   8
   9 /**
  10  * All colour information must come from here.
  11  *
  12  * @author niki
  13  *
  14  */
  15 public class UiColors {
  16         static private Object lock = new Object();
  17         static private UiColors instance = null;
  18
  19         private Map<Element, TextColor> mapForegroundColor = null;
  20         private Map<Element, TextColor> mapBackgroundColor = null;
  21
  22         /**
  23          * Get the (unique) instance of this class.
  24          *
  25          * @return the (unique) instance
  26          */
  27         static public UiColors getInstance() {
  28                 synchronized (lock) {
  29                         if (instance == null)
  30                                 instance = new UiColors();
  31                 }
  32
  33                 return instance;
  34         }
  35
  36         public enum Element {
  37                 DEFAULT, //
  38                 TITLE_MAIN, TITLE_VARIABLE, TITLE_COUNT, //
  39                 ACTION_KEY, ACTION_DESC, //
  40                 LINE_MESSAGE, LINE_MESSAGE_ERR, LINE_MESSAGE_QUESTION, LINE_MESSAGE_ANS, //
  41                 CONTACT_LINE, CONTACT_LINE_SEPARATOR, CONTACT_LINE_SELECTED, CONTACT_LINE_SEPARATOR_SELECTED, CONTACT_LINE_DIRTY, CONTACT_LINE_DIRTY_SELECTED;
  42
  43                 /**
  44                  * Get the foreground colour of this element.
  45                  *
  46                  * @return the colour
  47                  */
  48                 public TextColor getForegroundColor() {
  49                         return UiColors.getInstance().getForegroundColor(this);
  50                 }
  51
  52                 /**
  53                  * Get the background colour of this element.
  54                  *
  55                  * @return the colour
  56                  */
  57                 public TextColor getBackgroundColor() {
  58                         return UiColors.getInstance().getBackgroundColor(this);
  59                 }
  60
  61                 public Label createLabel(String text) {
  62                         return UiColors.getInstance().createLabel(this, text);
  63                 }
  64
  65                 public void themeLabel(Label lbl) {
  66                         UiColors.getInstance().themeLabel(this, lbl);
  67                 }
  68         }
  69
  70         private Label createLabel(Element el, String text) {
  71                 Label lbl = new Label(text);
  72                 themeLabel(el, lbl);
  73                 return lbl;
  74         }
  75
  76         private void themeLabel(Element el, Label lbl) {
  77                 lbl.setForegroundColor(el.getForegroundColor());
  78                 lbl.setBackgroundColor(el.getBackgroundColor());
  79         }
  80
  81         private TextColor getForegroundColor(Element el) {
  82                 if (mapForegroundColor.containsKey(el)) {
  83                         return mapForegroundColor.get(el);
  84                 }
  85
  86                 return TextColor.ANSI.BLACK;
  87         }
  88
  89         private TextColor getBackgroundColor(Element el) {
  90                 if (mapBackgroundColor.containsKey(el)) {
  91                         return mapBackgroundColor.get(el);
  92                 }
  93
  94                 return TextColor.ANSI.WHITE;
  95         }
  96
  97         private UiColors() {
  98                 mapForegroundColor = new HashMap<Element, TextColor>();
  99                 mapBackgroundColor = new HashMap<Element, TextColor>();
 100
 101                 // TODO: get from a file instead?
 102                 // TODO: use a theme that doesn't give headaches...
 103                 addEl(Element.ACTION_KEY, TextColor.ANSI.WHITE, TextColor.ANSI.RED);
 104                 addEl(Element.ACTION_DESC, TextColor.ANSI.WHITE, TextColor.ANSI.BLUE);
 105                 addEl(Element.CONTACT_LINE, TextColor.ANSI.WHITE, TextColor.ANSI.BLACK);
 106                 addEl(Element.CONTACT_LINE_SELECTED, TextColor.ANSI.WHITE,
 107                                 TextColor.ANSI.BLUE);
 108                 addEl(Element.CONTACT_LINE_SEPARATOR, TextColor.ANSI.RED,
 109                                 TextColor.ANSI.BLACK);
 110                 addEl(Element.CONTACT_LINE_SEPARATOR_SELECTED, TextColor.ANSI.RED,
 111                                 TextColor.ANSI.BLUE);
 112                 addEl(Element.LINE_MESSAGE, TextColor.ANSI.BLUE, TextColor.ANSI.WHITE);
 113                 addEl(Element.LINE_MESSAGE_ERR, TextColor.ANSI.RED,
 114                                 TextColor.ANSI.WHITE);
 115                 addEl(Element.LINE_MESSAGE_QUESTION, TextColor.ANSI.BLUE,
 116                                 TextColor.ANSI.WHITE);
 117                 addEl(Element.LINE_MESSAGE_ANS, TextColor.ANSI.BLUE,
 118                                 TextColor.ANSI.BLACK);
 119                 addEl(Element.TITLE_MAIN, TextColor.ANSI.WHITE, TextColor.ANSI.BLUE);
 120                 addEl(Element.TITLE_VARIABLE, TextColor.ANSI.GREEN,
 121                                 TextColor.ANSI.BLUE);
 122                 addEl(Element.TITLE_COUNT, TextColor.ANSI.RED, TextColor.ANSI.BLUE);
 123         }
 124
 125         private void addEl(Element el, TextColor fore, TextColor back) {
 126                 mapForegroundColor.put(el, fore);
 127                 mapBackgroundColor.put(el, back);
 128         }
 129
 130 }