Add BatchTaskProgressPanel

Adds BatchTaskProgressPanel, a augmented/specialized version of
MultiTaskProgressPanel that uses CollapsiblePanel to allow tracking of
batches of related tasks using SwingWorkers

1 files changed, 62 insertions, 0 deletions

diff --git a/base/src/examples/java/bjc/utils/examples/gui/panels/BatchTaskProgressPanelDemo.java b/base/src/examples/java/bjc/utils/examples/gui/panels/BatchTaskProgressPanelDemo.java
new file mode 100644
index 0000000..9d2312c
--- /dev/null
+++ b/base/src/examples/java/bjc/utils/examples/gui/panels/BatchTaskProgressPanelDemo.java
@@ -0,0 +1,62 @@
+package bjc.utils.examples.gui.panels;
+
+import java.awt.BorderLayout;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.SwingUtilities;
+import javax.swing.SwingWorker;
+
+import bjc.utils.gui.panels.BatchTaskProgressPanel;
+import bjc.utils.gui.panels.BatchTaskProgressPanel.BatchHandle;
+
+/**
+ * Demo for {@link BatchTaskProgressPanel}
+ */
+public class BatchTaskProgressPanelDemo {
+	/**
+	 * Main method
+	 * @param args Unused CLI args
+	 */
+	public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> {
+            JFrame frame = new JFrame("BatchTaskProgressPanel Demo");
+            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+            frame.setLayout(new BorderLayout());
+
+            BatchTaskProgressPanel panel = new BatchTaskProgressPanel();
+            frame.add(panel, BorderLayout.CENTER);
+
+            JButton addBatch = new JButton("Start fake batch");
+            addBatch.addActionListener(e -> {
+                // Simulate a batch with 3 SwingWorkers
+                BatchHandle batch = panel.startBatch("Save batch at " + System.currentTimeMillis());
+
+                for (int i = 1; i <= 3; i++) {
+                    final int idx = i;
+                    SwingWorker<Void, Void> worker = new SwingWorker<>() {
+                        @Override
+                        protected Void doInBackground() {
+                            for (int p = 0; p <= 100; p++) {
+                                if (isCancelled()) break;
+                                setProgress(p);
+                                try {
+                                    Thread.sleep(30 + idx * 10L);
+                                } catch (InterruptedException ignored) {
+                                }
+                            }
+                            return null;
+                        }
+                    };
+                    batch.monitorSwingWorker(worker, "Collection " + idx, true);
+                    worker.execute();
+                }
+            });
+
+            frame.add(addBatch, BorderLayout.SOUTH);
+            frame.setSize(600, 400);
+            frame.setLocationRelativeTo(null);
+            frame.setVisible(true);
+        });
+    }
+}