X-Git-Url: http://git.nikiroo.be/?p=fanfix.git;a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2Fui%2FProgressBar.java;fp=src%2Fbe%2Fnikiroo%2Futils%2Fui%2FProgressBar.java;h=219cde9a2d2f5fc2555aa8cd7519b573e73e232d;hp=0000000000000000000000000000000000000000;hb=d46b7b96f94e88a776bcd2dfd756549ffb300cc9;hpb=c9994f27667bc421bcd448d39e55774fddf5c431

diff --git a/src/be/nikiroo/utils/ui/ProgressBar.java b/src/be/nikiroo/utils/ui/ProgressBar.java
new file mode 100644
index 0000000..219cde9
--- /dev/null
+++ b/src/be/nikiroo/utils/ui/ProgressBar.java
@@ -0,0 +1,183 @@
+package be.nikiroo.utils.ui;
+
+import java.awt.GridLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.swing.JPanel;
+import javax.swing.JProgressBar;
+import javax.swing.SwingUtilities;
+
+import be.nikiroo.utils.Progress;
+
+/**
+ * A graphical control to show the progress of a {@link Progress}.
+ * <p>
+ * This control is <b>NOT</b> thread-safe.
+ * 
+ * @author niki
+ */
+public class ProgressBar extends JPanel {
+	private static final long serialVersionUID = 1L;
+
+	private Map<Progress, JProgressBar> bars;
+	private List<ActionListener> actionListeners;
+	private List<ActionListener> updateListeners;
+	private Progress pg;
+	private Object lock = new Object();
+
+	public ProgressBar() {
+		bars = new HashMap<Progress, JProgressBar>();
+		actionListeners = new ArrayList<ActionListener>();
+		updateListeners = new ArrayList<ActionListener>();
+	}
+
+	public void setProgress(final Progress pg) {
+		this.pg = pg;
+
+		SwingUtilities.invokeLater(new Runnable() {
+			@Override
+			public void run() {
+				if (pg != null) {
+					final JProgressBar bar = new JProgressBar();
+					bar.setStringPainted(true);
+
+					bars.clear();
+					bars.put(pg, bar);
+
+					bar.setMinimum(pg.getMin());
+					bar.setMaximum(pg.getMax());
+					bar.setValue(pg.getProgress());
+					bar.setString(pg.getName());
+
+					pg.addProgressListener(new Progress.ProgressListener() {
+						@Override
+						public void progress(Progress progress, String name) {
+							final Progress.ProgressListener l = this;
+							SwingUtilities.invokeLater(new Runnable() {
+								@Override
+								public void run() {
+									Map<Progress, JProgressBar> newBars = new HashMap<Progress, JProgressBar>();
+									newBars.put(pg, bar);
+
+									bar.setMinimum(pg.getMin());
+									bar.setMaximum(pg.getMax());
+									bar.setValue(pg.getProgress());
+									bar.setString(pg.getName());
+
+									synchronized (lock) {
+									for (Progress pgChild : getChildrenAsOrderedList(pg)) {
+										JProgressBar barChild = bars
+												.get(pgChild);
+										if (barChild == null) {
+											barChild = new JProgressBar();
+											barChild.setStringPainted(true);
+										}
+
+										newBars.put(pgChild, barChild);
+
+										barChild.setMinimum(pgChild.getMin());
+										barChild.setMaximum(pgChild.getMax());
+										barChild.setValue(pgChild.getProgress());
+										barChild.setString(pgChild.getName());
+									}
+									
+									if (ProgressBar.this.pg == null) {
+										bars.clear();
+									} else {
+										bars = newBars;
+									}
+									}
+									
+									if (ProgressBar.this.pg != null) {
+										if (pg.isDone()) {
+											pg.removeProgressListener(l);
+											for (ActionListener listener : actionListeners) {
+												listener.actionPerformed(new ActionEvent(
+														ProgressBar.this, 0,
+														"done"));
+											}
+										}
+
+										update();
+									}
+								}
+							});
+						}
+					});
+				}
+
+				update();
+			}
+		});
+	}
+
+	public void addActionListener(ActionListener l) {
+		actionListeners.add(l);
+	}
+
+	public void clearActionListeners() {
+		actionListeners.clear();
+	}
+
+	public void addUpdateListener(ActionListener l) {
+		updateListeners.add(l);
+	}
+
+	public void clearUpdateListeners() {
+		updateListeners.clear();
+	}
+
+	public int getProgress() {
+		if (pg == null) {
+			return 0;
+		}
+
+		return pg.getProgress();
+	}
+
+	// only named ones
+	private List<Progress> getChildrenAsOrderedList(Progress pg) {
+		List<Progress> children = new ArrayList<Progress>();
+		
+		synchronized (lock) {
+			for (Progress child : pg.getChildren()) {
+			if (child.getName() != null && !child.getName().isEmpty()) {
+				children.add(child);
+			}
+			children.addAll(getChildrenAsOrderedList(child));
+		}
+		}
+		
+		return children;
+	}
+
+	private void update() {
+		synchronized (lock) {
+			invalidate();
+			removeAll();
+
+			if (pg != null) {
+				setLayout(new GridLayout(bars.size(), 1));
+				add(bars.get(pg), 0);
+				for (Progress child : getChildrenAsOrderedList(pg)) {
+					JProgressBar jbar = bars.get(child);
+					if (jbar != null) {
+						add(jbar);
+					}
+				}
+			}
+
+			validate();
+			repaint();
+		}
+
+		for (ActionListener listener : updateListeners) {
+			listener.actionPerformed(new ActionEvent(this, 0, "update"));
+		}
+	}
+}