1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui;
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3 |
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4 | import java.awt.Color;
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5 | import java.awt.Component;
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6 |
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7 | import javax.swing.Icon;
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8 | import javax.swing.JEditorPane;
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9 | import javax.swing.JOptionPane;
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10 | import javax.swing.UIManager;
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11 |
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12 | import org.openstreetmap.josm.Main;
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13 | import org.openstreetmap.josm.gui.widgets.JMultilineLabel;
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14 |
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15 | /**
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16 | * A Notification Message similar to a popup window, but without disrupting the
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17 | * user's workflow.
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18 | *
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19 | * Non-modal info panel that vanishes after a certain time.
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20 | *
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21 | * This class only holds the data for a notification, {@link NotificationManager}
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22 | * is responsible for building the message panel and displaying it on screen.
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23 | *
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24 | * example:
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25 | * <pre>
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26 | * Notification note = new Notification("Hi there!");
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27 | * note.setIcon(JOptionPane.INFORMATION_MESSAGE); // optional
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28 | * note.setDuration(Notification.TIME_SHORT); // optional
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29 | * note.show();
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30 | * </pre>
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31 | */
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32 | public class Notification {
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33 |
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34 | /**
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35 | * Default width of a notification
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36 | */
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37 | public static final int DEFAULT_CONTENT_WIDTH = 350;
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38 |
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39 | // some standard duration values (in milliseconds)
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40 |
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41 | /**
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42 | * Very short and very easy to grasp message (3 s).
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43 | * E.g. "Please select at least one node".
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44 | */
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45 | public static final int TIME_SHORT = Main.pref.getInteger("notification-time-short-ms", 3000);
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46 |
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47 | /**
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48 | * Short message of one or two lines (5 s).
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49 | */
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50 | public static final int TIME_DEFAULT = Main.pref.getInteger("notification-time-default-ms", 5000);
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51 |
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52 | /**
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53 | * Somewhat longer message (10 s).
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54 | */
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55 | public static final int TIME_LONG = Main.pref.getInteger("notification-time-long-ms", 10_000);
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56 |
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57 | /**
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58 | * Long text.
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59 | * (Make sure is still sensible to show as a notification)
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60 | */
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61 | public static final int TIME_VERY_LONG = Main.pref.getInteger("notification-time-very_long-ms", 20_000);
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62 |
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63 | private Component content;
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64 | private int duration = Notification.TIME_DEFAULT;
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65 | private Icon icon;
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66 | private String helpTopic;
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67 |
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68 | /**
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69 | * Constructs a new {@code Notification} without content.
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70 | */
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71 | public Notification() {
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72 | // nothing to do.
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73 | }
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74 |
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75 | /**
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76 | * Constructs a new {@code Notification} with the given textual content.
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77 | * @param msg The text to display
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78 | */
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79 | public Notification(String msg) {
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80 | this();
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81 | setContent(msg);
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82 | }
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83 |
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84 | /**
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85 | * Set the content of the message.
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86 | *
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87 | * @param content any Component to be shown
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88 | *
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89 | * @return the current Object, for convenience
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90 | * @see #setContent(java.lang.String)
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91 | */
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92 | public Notification setContent(Component content) {
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93 | this.content = content;
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94 | return this;
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95 | }
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96 |
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97 | /**
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98 | * Set the notification text. (Convenience method)
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99 | *
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100 | * @param msg the message String. Will be wrapped in <html>, so
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101 | * you can use <br> and other markup directly.
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102 | *
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103 | * @return the current Object, for convenience
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104 | * @see #Notification(java.lang.String)
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105 | */
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106 | public Notification setContent(String msg) {
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107 | JMultilineLabel lbl = new JMultilineLabel(msg);
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108 | lbl.setMaxWidth(DEFAULT_CONTENT_WIDTH);
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109 | lbl.putClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES, Boolean.TRUE);
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110 | lbl.setForeground(Color.BLACK);
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111 | content = lbl;
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112 | return this;
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113 | }
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114 |
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115 | /**
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116 | * Set the time after which the message is hidden.
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117 | *
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118 | * @param duration the time (in milliseconds)
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119 | * Preset values {@link #TIME_SHORT}, {@link #TIME_DEFAULT}, {@link #TIME_LONG}
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120 | * and {@link #TIME_VERY_LONG} can be used.
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121 | * @return the current Object, for convenience
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122 | */
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123 | public Notification setDuration(int duration) {
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124 | this.duration = duration;
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125 | return this;
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126 | }
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127 |
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128 | /**
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129 | * Set an icon to display on the left part of the message window.
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130 | *
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131 | * @param icon the icon (null means no icon is displayed)
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132 | * @return the current Object, for convenience
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133 | */
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134 | public Notification setIcon(Icon icon) {
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135 | this.icon = icon;
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136 | return this;
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137 | }
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138 |
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139 | /**
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140 | * Set an icon to display on the left part of the message window by
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141 | * choosing from the default JOptionPane icons.
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142 | *
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143 | * @param messageType one of the following: JOptionPane.ERROR_MESSAGE,
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144 | * JOptionPane.INFORMATION_MESSAGE, JOptionPane.WARNING_MESSAGE,
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145 | * JOptionPane.QUESTION_MESSAGE, JOptionPane.PLAIN_MESSAGE
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146 | * @return the current Object, for convenience
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147 | */
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148 | public Notification setIcon(int messageType) {
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149 | switch (messageType) {
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150 | case JOptionPane.ERROR_MESSAGE:
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151 | return setIcon(UIManager.getIcon("OptionPane.errorIcon"));
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152 | case JOptionPane.INFORMATION_MESSAGE:
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153 | return setIcon(UIManager.getIcon("OptionPane.informationIcon"));
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154 | case JOptionPane.WARNING_MESSAGE:
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155 | return setIcon(UIManager.getIcon("OptionPane.warningIcon"));
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156 | case JOptionPane.QUESTION_MESSAGE:
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157 | return setIcon(UIManager.getIcon("OptionPane.questionIcon"));
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158 | case JOptionPane.PLAIN_MESSAGE:
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159 | return setIcon(null);
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160 | default:
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161 | throw new IllegalArgumentException("Unknown message type!");
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162 | }
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163 | }
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164 |
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165 | /**
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166 | * Display a help button at the bottom of the notification window.
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167 | * @param helpTopic the help topic
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168 | * @return the current Object, for convenience
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169 | */
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170 | public Notification setHelpTopic(String helpTopic) {
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171 | this.helpTopic = helpTopic;
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172 | return this;
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173 | }
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174 |
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175 | /**
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176 | * Gets the content component to use.
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177 | * @return The content
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178 | */
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179 | public Component getContent() {
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180 | return content;
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181 | }
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182 |
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183 | /**
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184 | * Gets the time the notification should be displayed
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185 | * @return The time to display the notification
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186 | */
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187 | public int getDuration() {
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188 | return duration;
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189 | }
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190 |
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191 | /**
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192 | * Gets the icon that should be displayed next to the notification
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193 | * @return The icon to display
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194 | */
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195 | public Icon getIcon() {
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196 | return icon;
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197 | }
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198 |
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199 | /**
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200 | * Gets the help topic for this notification
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201 | * @return The help topic
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202 | */
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203 | public String getHelpTopic() {
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204 | return helpTopic;
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205 | }
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206 |
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207 | /**
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208 | * Display the notification.
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209 | */
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210 | public void show() {
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211 | NotificationManager.getInstance().showNotification(this);
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212 | }
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213 | }
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