1 | // |
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2 | // $Id: SortArrowIcon.java 95 2007-05-02 03:27:05Z |
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3 | // /C=DE/ST=Baden-Wuerttemberg/O=ISDN4Linux/OU=Fritz |
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4 | // Elfert/CN=svn-felfert@isdn4linux.de/emailAddress=fritz@fritz-elfert.de $ |
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5 | // |
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6 | // jupload - A file upload applet. |
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7 | // Copyright 2007 The JUpload Team |
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8 | // |
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9 | // Created: ? |
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10 | // Creator: William JinHua Kwong |
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11 | // Last modified: $Date: 2008-12-03 06:57:11 -0200 (Qua, 03 Dez 2008) $ |
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12 | // |
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13 | // This program is free software; you can redistribute it and/or modify it under |
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14 | // the terms of the GNU General Public License as published by the Free Software |
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15 | // Foundation; either version 2 of the License, or (at your option) any later |
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16 | // version. This program is distributed in the hope that it will be useful, but |
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17 | // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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18 | // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
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19 | // details. You should have received a copy of the GNU General Public License |
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20 | // along with this program; if not, write to the Free Software Foundation, Inc., |
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21 | // 675 Mass Ave, Cambridge, MA 02139, USA. |
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22 | |
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23 | package wjhk.jupload2.gui.filepanel; |
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24 | |
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25 | import java.awt.Color; |
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26 | import java.awt.Component; |
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27 | import java.awt.Graphics; |
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28 | |
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29 | import javax.swing.Icon; |
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30 | |
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31 | /** |
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32 | * Icon implementation, to control and indicate the current sort order, into the |
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33 | * {@link wjhk.jupload2.gui.filepanel.FilePanelJTable}. |
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34 | */ |
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35 | public class SortArrowIcon implements Icon { |
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36 | /** |
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37 | * Don't draw an arrow. |
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38 | */ |
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39 | public static final int NONE = 0; |
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40 | |
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41 | /** |
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42 | * Draw arrow, representing descending sort order. |
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43 | */ |
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44 | public static final int DESCENDING = 1; |
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45 | |
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46 | /** |
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47 | * Draw arrow, representing ascending sort order. |
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48 | */ |
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49 | public static final int ASCENDING = 2; |
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50 | |
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51 | protected int direction; |
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52 | |
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53 | protected int width = 8; |
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54 | |
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55 | protected int height = 8; |
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56 | |
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57 | /** |
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58 | * Creates a new instance. |
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59 | * |
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60 | * @param direction The desired direction, either {@link #ASCENDING}, |
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61 | * {@link #DESCENDING} or {@link #NONE} |
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62 | */ |
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63 | public SortArrowIcon(int direction) { |
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64 | this.direction = direction; |
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65 | } |
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66 | |
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67 | /** |
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68 | * @see javax.swing.Icon#getIconWidth() |
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69 | */ |
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70 | public int getIconWidth() { |
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71 | return this.width; |
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72 | } |
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73 | |
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74 | /** |
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75 | * @see javax.swing.Icon#getIconHeight() |
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76 | */ |
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77 | public int getIconHeight() { |
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78 | return this.height; |
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79 | } |
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80 | |
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81 | /** |
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82 | * @see javax.swing.Icon#paintIcon(java.awt.Component, java.awt.Graphics, |
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83 | * int, int) |
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84 | */ |
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85 | public void paintIcon(Component c, Graphics g, int x, int y) { |
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86 | final Color bg = c.getBackground(); |
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87 | final Color light = bg.brighter().brighter(); |
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88 | final Color shade = bg.darker().darker(); |
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89 | |
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90 | final int w = this.width; |
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91 | final int h = this.height; |
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92 | final int m = w / 2; |
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93 | switch (this.direction) { |
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94 | case ASCENDING: |
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95 | g.setColor(shade); |
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96 | g.drawLine(x, y, x + w, y); |
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97 | g.drawLine(x, y, x + m, y + h); |
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98 | g.setColor(light); |
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99 | g.drawLine(x + w, y, x + m, y + h); |
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100 | break; |
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101 | case DESCENDING: |
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102 | g.setColor(shade); |
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103 | g.drawLine(x + m, y, x, y + h); |
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104 | g.setColor(light); |
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105 | g.drawLine(x, y + h, x + w, y + h); |
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106 | g.drawLine(x + m, y, x + w, y + h); |
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107 | break; |
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108 | } |
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109 | } |
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110 | } |
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