| 1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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| 2 | package org.openstreetmap.josm.tools;
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| 3 |
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| 4 | import javax.swing.JEditorPane;
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| 5 | import javax.swing.event.HyperlinkEvent;
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| 6 | import javax.swing.event.HyperlinkListener;
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| 7 |
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| 8 | /**
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| 9 | * Label that contains a clickable link.
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| 10 | * @author Imi
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| 11 | */
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| 12 | public class UrlLabel extends JEditorPane implements HyperlinkListener {
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| 13 |
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| 14 | private String url = "";
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| 15 | private String description = "";
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| 16 |
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| 17 | public UrlLabel() {
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| 18 | addHyperlinkListener(this);
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| 19 | setEditable(false);
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| 20 | setOpaque(false);
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| 21 | }
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| 22 |
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| 23 | public UrlLabel(String url) {
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| 24 | this (url, url);
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| 25 | }
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| 26 |
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| 27 | public UrlLabel(String url, String description) {
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| 28 | this();
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| 29 | setUrl(url);
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| 30 | setDescription(description);
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| 31 | refresh();
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| 32 | }
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| 33 |
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| 34 | protected void refresh() {
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| 35 | setContentType("text/html");
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| 36 | if (url != null) {
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| 37 | setText("<html><a href=\""+url+"\">"+description+"</a></html>");
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| 38 | } else {
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| 39 | setText("<html>" + description + "</html>");
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| 40 | }
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| 41 | setToolTipText(url);
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| 42 | }
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| 43 |
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| 44 | public void hyperlinkUpdate(HyperlinkEvent e) {
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| 45 | if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
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| 46 | OpenBrowser.displayUrl(url);
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| 47 | }
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| 48 | }
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| 49 |
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| 50 | /**
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| 51 | * Sets the URL to be visited if the user clicks on this URL label. If null, the
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| 52 | * label turns into a normal label without hyperlink.
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| 53 | *
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| 54 | * @param url the url. Can be null.
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| 55 | */
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| 56 | public void setUrl(String url) {
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| 57 | this.url = url;
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| 58 | refresh();
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| 59 | }
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| 60 |
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| 61 | /**
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| 62 | * Sets the text part of the URL label. Defaults to the empty string if description is null.
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| 63 | *
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| 64 | * @param description the description
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| 65 | */
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| 66 | public void setDescription(String description) {
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| 67 | this.description = description == null? "" : description;
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| 68 | this.description = this.description.replace("&", "&").replace(">", ">").replace("<", "<");
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| 69 | refresh();
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| 70 | }
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| 71 | }
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