--- /dev/null
+package net.sf.openrocket.gui.components;
+
+import java.awt.Font;
+
+import javax.swing.JLabel;
+import javax.swing.SwingConstants;
+
+/**
+ * A resizeable and styleable JLabel. The method {@link #resizeFont(float)} changes the
+ * current font size by the given (positive or negative) amount. The change is relative
+ * to the current font size. The method {@link #setFontStyle(Style)} sets the style
+ * (bold/italic) of the font.
+ * <p>
+ * A nice small text is achievable by <code>new ResizeLabel("My text", -2);</code>
+ *
+ * @author Sampo Niskanen <sampo.niskanen@iki.fi>
+ */
+
+public class StyledLabel extends JLabel {
+
+ public enum Style {
+ PLAIN(Font.PLAIN),
+ BOLD(Font.BOLD),
+ ITALIC(Font.ITALIC),
+ BOLD_ITALIC(Font.BOLD | Font.ITALIC);
+
+ private int style;
+ Style(int fontStyle) {
+ this.style = fontStyle;
+ }
+ public int getFontStyle() {
+ return style;
+ }
+ }
+
+
+
+ public StyledLabel() {
+ this("", SwingConstants.LEADING, 0f);
+ }
+
+ public StyledLabel(String text) {
+ this(text, SwingConstants.LEADING, 0f);
+ }
+
+ public StyledLabel(float size) {
+ this("", SwingConstants.LEADING, size);
+ }
+
+ public StyledLabel(String text, float size) {
+ this(text, SwingConstants.LEADING, size);
+ }
+
+ public StyledLabel(String text, int horizontalAlignment, float size) {
+ super(text, horizontalAlignment);
+ resizeFont(size);
+ checkPreferredSize(size, Style.PLAIN);
+ }
+
+
+
+ public StyledLabel(Style style) {
+ this("", SwingConstants.LEADING, 0f, style);
+ }
+
+ public StyledLabel(String text, Style style) {
+ this(text, SwingConstants.LEADING, 0f, style);
+ }
+
+ public StyledLabel(float size, Style style) {
+ this("", SwingConstants.LEADING, size, style);
+ }
+
+ public StyledLabel(String text, float size, Style style) {
+ this(text, SwingConstants.LEADING, size, style);
+ }
+
+ public StyledLabel(String text, int horizontalAlignment, float size, Style style) {
+ super(text, horizontalAlignment);
+ resizeFont(size);
+ setFontStyle(style);
+ checkPreferredSize(size, style);
+ }
+
+
+
+
+ private void checkPreferredSize(float size, Style style) {
+ String str = this.getText();
+ if (str.startsWith("<html>") && str.indexOf("<br") < 0) {
+ StyledLabel label = new StyledLabel("plaintext", size, style);
+ label.validate();
+ System.out.println("Plain-text label: " + label.getPreferredSize());
+ System.out.println("HTML label: " + this.getPreferredSize());
+ }
+ }
+
+
+
+ public void resizeFont(float size) {
+ Font font = this.getFont();
+ font = font.deriveFont(font.getSize2D()+size);
+ this.setFont(font);
+ }
+
+ public void setFontStyle(Style style) {
+ Font font = this.getFont();
+ font = font.deriveFont(style.getFontStyle());
+ this.setFont(font);
+ }
+}
projects / debian / openrocket / blobdiff