[3951] | 1 | //
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| 2 | // $Id: JUploadApplet.java 88 2007-05-02 00:04:52Z
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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: 2007-04-28
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| 10 | // Creator: felfert
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| 11 | // Last modified: $Date$
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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.Component;
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| 26 |
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| 27 | import javax.swing.JTable;
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| 28 | import javax.swing.table.DefaultTableCellRenderer;
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| 29 |
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| 30 | import wjhk.jupload2.policies.UploadPolicy;
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| 31 |
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| 32 | /**
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| 33 | * Technical class, used to display file sizes. Used in
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| 34 | * {@link wjhk.jupload2.gui.filepanel.FilePanelJTable}.
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| 35 | *
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| 36 | * @author felfert
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| 37 | * @version $Revision$
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| 38 | */
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| 39 | public class SizeRenderer extends DefaultTableCellRenderer {
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| 40 |
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| 41 | /** A generated serialVersionUID, to avoid warning during compilation */
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| 42 | private static final long serialVersionUID = -2029129064667754146L;
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| 43 |
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| 44 | /**
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| 45 | * The current upload policy
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| 46 | */
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| 47 | private UploadPolicy uploadPolicy = null;
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| 48 |
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| 49 | /** Size of one gigabyte, for file size display */
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| 50 | private static final double gB = 1024L * 1024L * 1024L;
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| 51 |
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| 52 | /** Size of one megabyte, for file size display */
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| 53 | private static final double mB = 1024L * 1024L;
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| 54 |
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| 55 | /** Size of one kilobyte, for file size display */
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| 56 | private static final double kB = 1024L;
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| 57 |
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| 58 | /**
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| 59 | * Creates a new instance.
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| 60 | *
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| 61 | * @param uploadPolicy
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| 62 | * The policy to be used for providing the translated unit
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| 63 | * strings.
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| 64 | */
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| 65 | public SizeRenderer(UploadPolicy uploadPolicy) {
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| 66 | super();
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| 67 | this.uploadPolicy = uploadPolicy;
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| 68 | }
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| 69 |
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| 70 | /**
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| 71 | * @see javax.swing.table.DefaultTableCellRenderer#getTableCellRendererComponent(javax.swing.JTable,
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| 72 | * java.lang.Object, boolean, boolean, int, int)
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| 73 | */
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| 74 | @Override
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| 75 | public Component getTableCellRendererComponent(JTable table, Object value,
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| 76 | boolean isSelected, boolean hasFocus, int row, int column) {
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| 77 | Component cell = super.getTableCellRendererComponent(table, value,
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| 78 | isSelected, hasFocus, row, column);
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| 79 |
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| 80 | if (value instanceof Long) {
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| 81 | setValue(formatFileSize(((Long) value).longValue(),
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| 82 | this.uploadPolicy));
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| 83 | super.setHorizontalAlignment(RIGHT);
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| 84 | } else if (value != null) {
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| 85 | // We have a value, but it's not a Long.
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| 86 | this.uploadPolicy
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| 87 | .displayWarn("value is not an instance of Long, in SizeRenderer.getTableCellRendererComponent(");
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| 88 | }
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| 89 | return cell;
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| 90 | }
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| 91 |
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| 92 | // ////////////////////////////////////////////////////////////////////////////
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| 93 | // Various utilities for file size calculation
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| 94 | // ////////////////////////////////////////////////////////////////////////////
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| 95 |
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| 96 | /**
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| 97 | * Format a number of bytes into a well formatted string, like 122mB.
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| 98 | *
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| 99 | * @param fileUploadSpeedParam
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| 100 | * @param uploadPolicy
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| 101 | * @return The formatted file upload speed, to be displayed to the user
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| 102 | */
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| 103 | public static String formatFileUploadSpeed(double fileUploadSpeedParam,
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| 104 | UploadPolicy uploadPolicy) {
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| 105 | String unit;
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| 106 | double fileUploadSpeed = fileUploadSpeedParam;
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| 107 | if (fileUploadSpeed >= gB) {
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| 108 | fileUploadSpeed /= gB;
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| 109 | unit = uploadPolicy.getLocalizedString("speedunit_gb_per_second");
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| 110 | } else if (fileUploadSpeed >= mB) {
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| 111 | fileUploadSpeed /= mB;
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| 112 | unit = uploadPolicy.getLocalizedString("speedunit_mb_per_second");
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| 113 | } else if (fileUploadSpeed >= kB) {
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| 114 | fileUploadSpeed /= kB;
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| 115 | unit = uploadPolicy.getLocalizedString("speedunit_kb_per_second");
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| 116 | } else {
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| 117 | unit = uploadPolicy.getLocalizedString("speedunit_b_per_second");
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| 118 | }
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| 119 |
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| 120 | // TODO Use local as the first argument.
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| 121 | String value = String.format("%1$,3.2f %2$s", fileUploadSpeed, unit);
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| 122 | // TODO remove this temp log
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| 123 | if (uploadPolicy.getDebugLevel() >= 80 && value.contains("Infinity")) {
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| 124 | uploadPolicy.displayDebug("'" + value
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| 125 | + "' for values: fileUploadSpeed=" + fileUploadSpeed
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| 126 | + " and unit=" + unit, 80);
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| 127 | }
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| 128 | return value;
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| 129 |
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| 130 | }
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| 131 |
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| 132 | /**
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| 133 | * Format a number of bytes of a file size (or a number of uploaded bytes,
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| 134 | * or whatever), into a well formatted string, like 122mB.
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| 135 | *
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| 136 | * @param fileSize
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| 137 | * @param uploadPolicy
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| 138 | * @return The formatted file size, to display to the user.
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| 139 | */
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| 140 | public static String formatFileSize(double fileSize,
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| 141 | UploadPolicy uploadPolicy) {
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| 142 | final String sizeunit_gigabytes = uploadPolicy
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| 143 | .getLocalizedString("unitGigabytes");
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| 144 | final String sizeunit_megabytes = uploadPolicy
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| 145 | .getLocalizedString("unitMegabytes");
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| 146 | final String sizeunit_kilobytes = uploadPolicy
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| 147 | .getLocalizedString("unitKilobytes");
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| 148 | final String sizeunit_bytes = uploadPolicy
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| 149 | .getLocalizedString("unitBytes");
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| 150 | String unit;
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| 151 |
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| 152 | double fileSizeToDisplay = fileSize;
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| 153 | if (fileSizeToDisplay >= gB) {
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| 154 | fileSizeToDisplay /= gB;
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| 155 | unit = sizeunit_gigabytes;
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| 156 | } else if (fileSizeToDisplay >= mB) {
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| 157 | fileSizeToDisplay /= mB;
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| 158 | unit = sizeunit_megabytes;
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| 159 | } else if (fileSizeToDisplay >= kB) {
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| 160 | fileSizeToDisplay /= kB;
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| 161 | unit = sizeunit_kilobytes;
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| 162 | } else {
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| 163 | unit = sizeunit_bytes;
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| 164 | }
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| 165 |
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| 166 | return String.format("%1$,3.2f %2$s", fileSizeToDisplay, unit);
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| 167 | }
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| 168 |
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| 169 | }
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