Add various text UI componentsHEADtrunk

This adds a variety of text UI components, namely two suites:
* One that is geared towards JSON
* One that is geared towards Markdown

Details to (perhaps) follow later

1 files changed, 46 insertions, 0 deletions

diff --git a/base/src/examples/java/bjc/utils/examples/gui/MarkdownEditorKitDemo.java b/base/src/examples/java/bjc/utils/examples/gui/MarkdownEditorKitDemo.java
new file mode 100644
index 0000000..e48c939
--- /dev/null
+++ b/base/src/examples/java/bjc/utils/examples/gui/MarkdownEditorKitDemo.java
@@ -0,0 +1,46 @@
+package bjc.utils.examples.gui;
+
+import javax.swing.JFrame;
+import javax.swing.JScrollPane;
+import javax.swing.JTextPane;
+import javax.swing.SwingUtilities;
+import javax.swing.WindowConstants;
+
+import bjc.utils.gui.MarkdownEditorKit;
+import bjc.utils.gui.MarkdownEditorKit.MarkdownDocument;
+
+public class MarkdownEditorKitDemo {
+
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> {
+            String md = """
+                    # Table demo
+
+                    Here is a table:
+
+                    | Tool | Notes |
+                    |------|------|
+                    | *web.run* | Search the web |
+                    | python  | Execute code |
+
+                    And this form too:
+
+                    Tool | Notes
+                    ---- | -----
+                    A | B
+                    """;
+
+            JTextPane pane = new JTextPane();
+            pane.setEditable(false);
+            pane.setEditorKit(new MarkdownEditorKit());
+            ((MarkdownDocument) pane.getDocument()).setMarkdown(md);
+
+            JFrame f = new JFrame("MarkdownEditorKit Demo");
+            f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+            f.add(new JScrollPane(pane));
+            f.setSize(700, 500);
+            f.setLocationRelativeTo(null);
+            f.setVisible(true);
+        });
+    }
+}