Add MultiTaskProgressPanel

Adds MultiTaskProgressPanel. This is a Swing component usable for
monitoring background tasks similar to the way ProgressMonitor works,
but instead of opening a dialog for each tasks, it displays them like a
browser download manager

1 files changed, 55 insertions, 0 deletions

diff --git a/base/src/examples/java/bjc/utils/examples/gui/panels/MultiTaskProgressPanelDemo.java b/base/src/examples/java/bjc/utils/examples/gui/panels/MultiTaskProgressPanelDemo.java
new file mode 100644
index 0000000..f417903
--- /dev/null
+++ b/base/src/examples/java/bjc/utils/examples/gui/panels/MultiTaskProgressPanelDemo.java
@@ -0,0 +1,55 @@
+package bjc.utils.examples.gui.panels;
+
+import java.awt.BorderLayout;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.SwingUtilities;
+
+import bjc.utils.gui.panels.MultiTaskProgressPanel;
+import bjc.utils.gui.panels.MultiTaskProgressPanel.TaskHandle;
+
+/**
+ * Demo for {@link MultiTaskProgressPanel}
+ */
+public class MultiTaskProgressPanelDemo {
+	/**
+	 * Main method
+	 * @param args Unused CLI args
+	 */
+	public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> {
+            JFrame frame = new JFrame("MultiTaskProgressPanel demo");
+            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+            MultiTaskProgressPanel panel = new MultiTaskProgressPanel();
+            frame.add(panel, BorderLayout.CENTER);
+
+            JButton addTask = new JButton("Start fake task");
+            addTask.addActionListener(e -> {
+                TaskHandle handle = panel.startTask("Saving large collection",
+                        0, 100, null);
+
+                // Simulate background work
+                new Thread(() -> {
+                    for (int i = 0; i <= 100; i++) {
+                        if (handle.isCancelled()) break;
+                        handle.setProgress(i);
+                        handle.setNote("Step " + i + " of 100");
+                        try {
+                            Thread.sleep(50);
+                        } catch (InterruptedException ignored) {
+                        }
+                    }
+                    handle.done();
+                }, "FakeWorker").start();
+            });
+
+            frame.add(addTask, BorderLayout.SOUTH);
+
+            frame.setSize(500, 400);
+            frame.setLocationRelativeTo(null);
+            frame.setVisible(true);
+        });
+    }
+}