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package net.oni2.swingcomponents; |
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|
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import java.awt.Color; |
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import java.awt.Desktop; |
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import java.awt.Font; |
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import java.io.IOException; |
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import java.net.URISyntaxException; |
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|
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import javax.swing.JEditorPane; |
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import javax.swing.JFrame; |
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import javax.swing.JLabel; |
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import javax.swing.UIDefaults; |
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import javax.swing.border.Border; |
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import javax.swing.event.HyperlinkEvent; |
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import javax.swing.event.HyperlinkListener; |
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import javax.swing.text.DefaultCaret; |
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import javax.swing.text.html.CSS; |
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import javax.swing.text.html.HTMLEditorKit; |
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import javax.swing.text.html.StyleSheet; |
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|
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/** |
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* @author Christian Illy |
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*/ |
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public class HTMLLinkLabel extends JEditorPane { |
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private static final long serialVersionUID = 2416829757362043910L; |
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|
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private String prefix; |
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private String suffix; |
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|
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private boolean borderEnabled = true; |
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|
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/** |
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* Create a new HTMLLinkLabel |
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*/ |
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public HTMLLinkLabel() { |
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super(); |
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|
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((DefaultCaret) this.getCaret()) |
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.setUpdatePolicy(DefaultCaret.NEVER_UPDATE); |
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setContentType("text/html"); |
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|
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Font font = new JLabel().getFont(); |
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StringBuffer style = new StringBuffer("font-family:" + font.getFamily() |
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+ ";"); |
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style.append("font-weight:" + (font.isBold() ? "bold" : "normal") + ";"); |
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style.append("font-size:" + font.getSize() + "pt;"); |
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style.append("margin: 0; padding: 0;"); |
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|
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prefix = "<html><body style=\"" + style + "\">"; |
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suffix = "</body></html>"; |
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addHyperlinkListener(new HyperlinkListener() { |
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|
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@Override |
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public void hyperlinkUpdate(HyperlinkEvent e) { |
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if (e.getEventType().equals(HyperlinkEvent.EventType.ACTIVATED)) |
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try { |
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Desktop.getDesktop().browse(e.getURL().toURI()); |
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} catch (IOException e1) { |
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e1.printStackTrace(); |
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} catch (URISyntaxException e1) { |
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e1.printStackTrace(); |
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} |
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} |
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}); |
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setEditable(false); |
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|
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Color bgColor = ColorCopy.copyColor(new JFrame().getBackground()); |
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UIDefaults defaults = new UIDefaults(); |
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defaults.put("EditorPane[Enabled].backgroundPainter", bgColor); |
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putClientProperty("Nimbus.Overrides", defaults); |
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putClientProperty("Nimbus.Overrides.InheritDefaults", true); |
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setBackground(bgColor); |
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} |
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|
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/** |
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* Add or reset a CSS attribute for styling the text |
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* |
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* @param selector |
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* CSS selector |
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* @param attribute |
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* CSS attribute |
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* @param value |
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* Value |
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*/ |
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public void setCssAttribute(String selector, CSS.Attribute attribute, |
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String value) { |
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HTMLEditorKit hek = (HTMLEditorKit) getEditorKit(); |
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StyleSheet css = hek.getStyleSheet(); |
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css.addRule(String.format("%s {%s: %s}", selector, attribute.toString(), value)); |
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} |
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|
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/** |
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* Allow or forbid to set a non-null border |
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* |
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* @param enable |
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* Non-null border allowed? |
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*/ |
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public void enableBorder(boolean enable) { |
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this.borderEnabled = enable; |
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if (!enable) |
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setBorder(null); |
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} |
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@Override |
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public void setBorder(Border border) { |
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if (borderEnabled || border == null) |
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super.setBorder(border); |
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} |
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@Override |
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public void setText(String t) { |
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if (t.startsWith("<p>")) |
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t = t.replaceFirst("<p>", "<p style=\"margin-top: 0\">"); |
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super.setText(prefix + t + suffix); |
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} |
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} |
