1 /*
2  *******************************************************************************
3  * Copyright (C) 1997-2014, International Business Machines Corporation and    *
4  * others. All Rights Reserved.                                                *
5  *******************************************************************************
6  */
7 package com.ibm.icu.dev.demo.impl;
8 
9 import java.awt.Color;
10 import java.awt.Component;
11 import java.awt.Container;
12 import java.awt.Font;
13 import java.awt.GridBagConstraints;
14 import java.awt.GridBagLayout;
15 import java.awt.Insets;
16 import java.awt.Label;
17 import java.awt.Panel;
18 import java.awt.TextComponent;
19 import java.util.Locale;
20 
21 import com.ibm.icu.util.Calendar;
22 
23 public class DemoUtility
24 {
25     public static final Font titleFont = new Font("TimesRoman",Font.BOLD,18);
26     public static final Font labelFont = new Font("TimesRoman",Font.BOLD,14);
27     public static final Font choiceFont = new Font("Helvetica",Font.BOLD,12);
28     public static final Font editFont = new Font("Helvetica",Font.PLAIN,14);
29     public static final Font creditFont = new Font("Helvetica",Font.PLAIN,10);
30     public static final Font numberFont = new Font("sansserif", Font.PLAIN, 14);
31 
32     public static final Color bgColor = Color.lightGray;
33     public static final Color choiceColor = Color.white;
34 
getCurrentYear()35     private static final int getCurrentYear() {
36         return Calendar.getInstance().get(Calendar.YEAR);
37     }
38     public static final String copyright1 =
39         "Copyright (C) IBM Corp and others. 1997 - "+getCurrentYear()+" All Rights Reserved";
40 
41     /**
42     Provides easy way to use basic functions of GridBagLayout, without
43     the complications. After building a panel, and inserting all the
44     * subcomponents, call this to lay it out in the desired number of columns.
45     */
fixGrid(Container cont, int columns)46     public static void fixGrid(Container cont, int columns) {
47         GridBagLayout gridbag = new GridBagLayout();
48         cont.setLayout(gridbag);
49 
50         GridBagConstraints c = new GridBagConstraints();
51         c.fill = GridBagConstraints.VERTICAL;
52         c.weightx = 1.0;
53         c.insets = new Insets(2,2,2,2);
54 
55         Component[] components = cont.getComponents();
56         for (int i = 0; i < components.length; ++i) {
57             // not used int colNumber = i%columns;
58             c.gridwidth = 1;    // default
59             if ((i%columns) == columns - 1)
60                 c.gridwidth = GridBagConstraints.REMAINDER;    // last in grid
61             if (components[i] instanceof Label) {
62                 switch (((Label)components[i]).getAlignment()) {
63                 case Label.CENTER: c.anchor = GridBagConstraints.CENTER; break;
64                 case Label.LEFT: c.anchor = GridBagConstraints.WEST; break;
65                 case Label.RIGHT: c.anchor = GridBagConstraints.EAST; break;
66                 }
67             }
68             gridbag.setConstraints(components[i], c);
69         }
70 
71     }
72 
73     /**
74     Provides easy way to change the spacing around an object in a GridBagLayout.
75     Call AFTER fixGridBag, passing in the container, the component, and the
76     new insets.
77     */
setInsets(Container cont, Component comp, Insets insets)78     public static void setInsets(Container cont, Component comp, Insets insets) {
79         GridBagLayout gbl = (GridBagLayout)cont.getLayout();
80         GridBagConstraints g = gbl.getConstraints(comp);
81         g.insets = insets;
82         gbl.setConstraints(comp,g);
83     }
84 
createSpacer()85     public static Panel createSpacer() {
86         Panel spacer = new Panel();
87         spacer.setLayout(null);
88         spacer.setSize(1000, 1);
89         return spacer;
90     }
91 
92     // to avoid goofy updates and misplaced cursors
setText(TextComponent area, String newText)93     public static void setText(TextComponent area, String newText) {
94         String foo = area.getText();
95         if (foo.equals(newText)) return;
96         area.setText(newText);
97     }
98 
99     /**
100      * Compares two locals. Return value is negative
101      * if they're different, and more positive the more
102      * fields that match.
103      */
104 
compareLocales(Locale l1, Locale l2)105     public static int compareLocales(Locale l1, Locale l2)
106     {
107         int result = -1;
108 
109         if (l1.getLanguage().equals(l2.getLanguage())) {
110             result += 1;
111 
112             if (l1.getCountry().equals(l2.getCountry())) {
113                 result += 1;
114 
115                 if (l1.getVariant().equals(l2.getVariant())) {
116                     result += 1;
117                 }
118             }
119         }
120 
121         return result;
122     }
123 
124     /**
125      * Get the G7 locale list for demos.
126      */
getG7Locales()127     public static Locale[] getG7Locales() {
128         return localeList;
129     }
130     private static Locale[] localeList = {
131         new Locale("DA", "DK", ""),
132         new Locale("EN", "US", ""),
133         new Locale("EN", "GB", ""),
134         new Locale("EN", "CA", ""),
135         new Locale("FR", "FR", ""),
136         new Locale("FR", "CA", ""),
137         new Locale("DE", "DE", ""),
138         new Locale("IT", "IT", ""),
139     //new Locale("JA", "JP", ""),
140     };
141 }
142