Added JLabelExtra Class and added a function to JPanelLine

src/org/petschko/lib/gui/JLabelExtra.java

@@ -0,0 +1,258 @@
+package org.petschko.lib.gui;
+
+import com.sun.istack.internal.Nullable;
+
+import javax.swing.JLabel;
+import java.awt.Color;
+import java.awt.Cursor;
+import java.awt.Desktop;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.font.TextAttribute;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Author: Peter Dragicevic [peter-91@hotmail.de]
+ * Authors-Website: http://petschko.org/
+ * Date: 17.01.2017
+ * Time: 19:05
+ * Update: -
+ * Version: 0.0.1
+ *
+ * Notes: JLabelExtra Class
+ */
+public class JLabelExtra extends JLabel {
+	private String url = null;
+	private MouseAdapter urlClickEvent = null;
+	private boolean isBold = false;
+	private boolean isUnderline = false;
+	private boolean isItalic = false;
+
+	/**
+	 * Creates a <code>JLabel</code> instance with the specified
+	 * text and horizontal alignment.
+	 * The label is centered vertically in its display area.
+	 *
+	 * @param text The text to be displayed by the label.
+	 * @param horizontalAlignment One of the following constants
+	 * defined in <code>SwingConstants</code>:
+	 * <code>LEFT</code>,
+	 * <code>CENTER</code>,
+	 * <code>RIGHT</code>,
+	 * <code>LEADING</code> or
+	 */
+	public JLabelExtra(@Nullable String text, int horizontalAlignment) {
+		super(text, horizontalAlignment);
+	}
+
+	/**
+	 * Creates a <code>JLabel</code> instance with the specified text.
+	 * The label is aligned against the leading edge of its display area,
+	 * and centered vertically.
+	 *
+	 * @param text The text to be displayed by the label.
+	 */
+	public JLabelExtra(@Nullable String text) {
+		super(text);
+	}
+
+	/**
+	 * Creates a <code>JLabel</code> instance with
+	 * no image and with an empty string for the title.
+	 * The label is centered vertically
+	 * in its display area.
+	 * The label's contents, once set, will be displayed on the leading edge
+	 * of the label's display area.
+	 */
+	public JLabelExtra() {
+		// Void
+	}
+
+	/**
+	 * Sets the Text-Color of the JLabelExtra
+	 *
+	 * @param color - new Color for the Text or null for default
+	 */
+	public void setTextColor(@Nullable Color color) {
+		if(color == null) {
+			this.setForeground(new JLabel().getForeground());
+			return;
+		}
+
+		this.setForeground(color);
+	}
+
+	/**
+	 * Sets if the Text should be Bold
+	 *
+	 * @param bold - true if the text should be bold else false
+	 */
+	public void setBold(boolean bold) {
+		if(bold && ! this.isBold) {
+			// Set it Bold
+			this.changeStyleAttribute(TextAttribute.WEIGHT, TextAttribute.WEIGHT_BOLD);
+			this.isBold = true;
+		} else if(! bold && this.isBold) {
+			// Remove Bold
+			this.changeStyleAttribute(TextAttribute.WEIGHT, TextAttribute.WEIGHT_REGULAR);
+			this.isBold = false;
+		}
+	}
+
+	/**
+	 * Sets if the Text should be Underlined
+	 *
+	 * @param underline - true if the text should be underlined else false
+	 */
+	public void setUnderline(boolean underline) {
+		if(underline && ! this.isUnderline) {
+			// Underline it
+			this.changeStyleAttribute(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON);
+			this.isUnderline = true;
+		} else if(! underline && this.isUnderline) {
+			// Remove Underline
+			this.changeStyleAttribute(TextAttribute.UNDERLINE, -1);
+			this.isUnderline = false;
+		}
+	}
+
+	/**
+	 * Sets if the Text should be Italic
+	 *
+	 * @param italic - true if the text should be italic else false
+	 */
+	public void setItalic(boolean italic) {
+		if(italic && ! this.isItalic) {
+			// Set Italic
+			this.changeStyleAttribute(TextAttribute.POSTURE, TextAttribute.POSTURE_OBLIQUE);
+			this.isItalic = true;
+		} else if(! italic && this.isItalic) {
+			// Remove Italic
+			this.changeStyleAttribute(TextAttribute.POSTURE, TextAttribute.POSTURE_REGULAR);
+			this.isItalic = false;
+		}
+	}
+
+	/**
+	 * Sets the Font-Type of the Text
+	 *
+	 * @param fontType - Font-Type of the Text or null for default
+	 */
+	public void setFontType(@Nullable String fontType) {
+		if(fontType == null) {
+			this.changeStyleAttribute(TextAttribute.FONT, new JLabel().getFont().getFontName());
+			return;
+		}
+
+		this.changeStyleAttribute(TextAttribute.FONT, fontType);
+	}
+
+	/**
+	 * Sets the size of the Text
+	 *
+	 * @param fontSize - Font-Size of the Text or <=0 for default
+	 */
+	public void setFontSize(int fontSize) {
+		if(fontSize < 1) {
+			this.changeStyleAttribute(TextAttribute.SIZE, new JLabel().getFont().getSize());
+			return;
+		}
+
+		this.changeStyleAttribute(TextAttribute.SIZE, fontSize);
+	}
+
+	/**
+	 * Set a URL and let the User click on this
+	 *
+	 * @param url - URL to set or null if you want remove the URL
+	 * @param defaultURLStyle - true Styles the URL for you Underlined-Blue else it don't style it for you
+	 */
+	public void setURL(@Nullable String url, boolean defaultURLStyle) {
+		if(url == null) {
+			this.removeURL(defaultURLStyle);
+			return;
+		}
+
+		if(this.url != null) {
+			// Don't change anything if the url is the same
+			if(this.url.equals(url))
+				return;
+
+			// Remove old URL if url is different
+			this.removeURL(defaultURLStyle);
+		}
+
+		// Styles
+		if(defaultURLStyle) {
+			this.setUnderline(true);
+			this.setTextColor(Color.BLUE);
+		}
+
+		// Assign new URL
+		this.url = url;
+		this.setCursor(new Cursor(Cursor.HAND_CURSOR));
+		this.createMouseURLListener();
+		this.addMouseListener(this.urlClickEvent);
+	}
+
+	/**
+	 * Removes the URL Event and reset some styles back
+	 *
+	 * @param defaultURLStyle - true remove default URL-Styles else it don't remove styles
+	 */
+	private void removeURL(boolean defaultURLStyle) {
+		this.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
+
+		// Remove Styles
+		if(defaultURLStyle) {
+			this.setUnderline(false);
+			this.setTextColor(null);
+		}
+
+		if(this.urlClickEvent != null) {
+			this.removeMouseListener(this.urlClickEvent);
+			this.urlClickEvent = null;
+			this.url = null;
+		}
+	}
+
+	/**
+	 * Creates a MouseAdapter from the given URL
+	 */
+	private void createMouseURLListener() {
+		if(this.url == null)
+			return;
+
+		this.urlClickEvent = new MouseAdapter() {
+			/**
+			 * {@inheritDoc}
+			 *
+			 * @param e
+			 */
+			@Override
+			public void mouseClicked(MouseEvent e) {
+				try {
+					Desktop.getDesktop().browse(new URI(url));
+				} catch (URISyntaxException | IOException ex) {
+					ex.printStackTrace();
+				}
+			}
+		};
+	}
+
+	/**
+	 * Changes an Attribute of the Font
+	 *
+	 * @param attributeKey - Key of the Attribute
+	 * @param value - New Value of the Attribute
+	 */
+	private void changeStyleAttribute(TextAttribute attributeKey, Object value) {
+		Map<TextAttribute, Object> attributes = new HashMap<>(this.getFont().getAttributes());
+		attributes.put(attributeKey, value);
+		this.setFont(this.getFont().deriveFont(attributes));
+	}
+}

src/org/petschko/lib/gui/JPanelLine.java

@@ -1,9 +1,11 @@
 package org.petschko.lib.gui;
 
+import javax.swing.Box;
 import javax.swing.BoxLayout;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import java.awt.Component;
+import java.awt.Dimension;
 
 /**
  * Author: Peter Dragicevic [peter-91@hotmail.de]
@@ -31,4 +33,13 @@ public JPanelLine() {
 	public void addSpaceLabel() {
 		this.add(new JLabel(" "));
 	}
+
+	/**
+	 * Adds a Space-Dimension
+	 *
+	 * @param len - Length of the Dimension
+	 */
+	public void addSpaceDimension(int len) {
+		this.add(Box.createRigidArea(new Dimension(len, 0)));
+	}
 }