From 7385129e5a0bcbbc5b6cc7dd8ba5390d563ab9b5 Mon Sep 17 00:00:00 2001
From: Eike Stepper
Date: Mon, 8 Oct 2007 10:50:49 +0000
Subject: [205668] Provide buddies example
 https://bugs.eclipse.org/bugs/show_bug.cgi?id=205668

---
 .../cdo/internal/ui/editor/CDOLabelProvider.java   |  10 +---
 .../icons/full/obj16/buddy_lonesome.gif            | Bin 0 -> 334 bytes
 .../net4j/buddies/internal/ui/SharedIcons.java     |   2 +
 .../internal/ui/views/BuddiesItemProvider.java     |  60 +++++++++++++++++++++
 .../buddies/internal/ui/views/BuddiesView.java     |  14 ++---
 .../src/org/eclipse/net4j/util/ui/UIUtil.java      |  20 +++++++
 .../eclipse/net4j/util/ui/views/ItemProvider.java  |   9 +++-
 7 files changed, 99 insertions(+), 16 deletions(-)
 create mode 100644 plugins/org.eclipse.net4j.buddies.ui/icons/full/obj16/buddy_lonesome.gif

diff --git a/plugins/org.eclipse.emf.cdo.ui/src/org/eclipse/emf/cdo/internal/ui/editor/CDOLabelProvider.java b/plugins/org.eclipse.emf.cdo.ui/src/org/eclipse/emf/cdo/internal/ui/editor/CDOLabelProvider.java
index af4d0fe5ec..59e0d78100 100644
--- a/plugins/org.eclipse.emf.cdo.ui/src/org/eclipse/emf/cdo/internal/ui/editor/CDOLabelProvider.java
+++ b/plugins/org.eclipse.emf.cdo.ui/src/org/eclipse/emf/cdo/internal/ui/editor/CDOLabelProvider.java
@@ -16,9 +16,6 @@ import org.eclipse.jface.viewers.TreeViewer;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.Font;
-import org.eclipse.swt.graphics.FontData;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Display;
 
 /**
  * @author Eike Stepper
@@ -40,12 +37,7 @@ public class CDOLabelProvider extends AdapterFactoryLabelProvider implements ICo
     super(adapterFactory);
     this.view = view;
     this.viewer = viewer;
-
-    Control control = viewer.getControl();
-    FontData[] datas = control.getFont().getFontData().clone();
-    datas[0].setStyle(SWT.BOLD);
-    Display display = control.getShell().getDisplay();
-    bold = new Font(display, datas);
+    bold = UIUtil.getBoldFont(viewer.getControl());
   }
 
   public CDOView getView()
diff --git a/plugins/org.eclipse.net4j.buddies.ui/icons/full/obj16/buddy_lonesome.gif b/plugins/org.eclipse.net4j.buddies.ui/icons/full/obj16/buddy_lonesome.gif
new file mode 100644
index 0000000000..1b87e3ccc4
Binary files /dev/null and b/plugins/org.eclipse.net4j.buddies.ui/icons/full/obj16/buddy_lonesome.gif differ
diff --git a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/SharedIcons.java b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/SharedIcons.java
index aee44cdd6d..f09c096733 100644
--- a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/SharedIcons.java
+++ b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/SharedIcons.java
@@ -39,6 +39,8 @@ public class SharedIcons
 
   public static final String OBJ_BUDDY = OBJ + "buddy";
 
+  public static final String OBJ_BUDDY_LONESOME = OBJ + "buddy_lonesome";
+
   public static final String OBJ_BUDDY_AWAY = OBJ + "buddy_away";
 
   public static final String OBJ_BUDDY_DO_NOT_DISTURB = OBJ + "buddy_do_not_disturb";
diff --git a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesItemProvider.java b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesItemProvider.java
index d9830e0ffd..4a088d8227 100644
--- a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesItemProvider.java
+++ b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesItemProvider.java
@@ -14,6 +14,7 @@ import org.eclipse.net4j.buddies.internal.ui.SharedIcons;
 import org.eclipse.net4j.buddies.protocol.IBuddy;
 import org.eclipse.net4j.util.container.IContainer;
 import org.eclipse.net4j.util.lifecycle.LifecycleUtil;
+import org.eclipse.net4j.util.ui.UIUtil;
 import org.eclipse.net4j.util.ui.actions.LongRunningAction;
 import org.eclipse.net4j.util.ui.views.ContainerItemProvider;
 import org.eclipse.net4j.util.ui.views.ContainerView;
@@ -21,6 +22,10 @@ import org.eclipse.net4j.util.ui.views.IElementFilter;
 
 import org.eclipse.jface.action.IMenuManager;
 import org.eclipse.jface.viewers.ITreeSelection;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.Image;
 
 /**
@@ -28,6 +33,10 @@ import org.eclipse.swt.graphics.Image;
  */
 public class BuddiesItemProvider extends ContainerItemProvider<IContainer<Object>>
 {
+  private static final Color GRAY = UIUtil.getDisplay().getSystemColor(SWT.COLOR_GRAY);
+
+  private Font bold;
+
   public BuddiesItemProvider()
   {
   }
@@ -37,6 +46,13 @@ public class BuddiesItemProvider extends ContainerItemProvider<IContainer<Object
     super(rootElementFilter);
   }
 
+  @Override
+  public void dispose()
+  {
+    UIUtil.dispose(bold);
+    super.dispose();
+  }
+
   @Override
   public String getText(Object obj)
   {
@@ -60,6 +76,9 @@ public class BuddiesItemProvider extends ContainerItemProvider<IContainer<Object
       case AVAILABLE:
         return SharedIcons.getImage(SharedIcons.OBJ_BUDDY);
 
+      case LONESOME:
+        return SharedIcons.getImage(SharedIcons.OBJ_BUDDY_LONESOME);
+
       case AWAY:
         return SharedIcons.getImage(SharedIcons.OBJ_BUDDY_AWAY);
 
@@ -71,6 +90,39 @@ public class BuddiesItemProvider extends ContainerItemProvider<IContainer<Object
     return super.getImage(obj);
   }
 
+  @Override
+  public Color getForeground(Object obj)
+  {
+    if (obj instanceof IBuddy)
+    {
+      IBuddy buddy = (IBuddy)obj;
+      switch (buddy.getState())
+      {
+      case AWAY:
+      case DO_NOT_DISTURB:
+        return GRAY;
+      }
+    }
+
+    return super.getForeground(obj);
+  }
+
+  @Override
+  public Font getFont(Object obj)
+  {
+    if (obj instanceof IBuddy)
+    {
+      IBuddy buddy = (IBuddy)obj;
+      switch (buddy.getState())
+      {
+      case LONESOME:
+        return bold;
+      }
+    }
+
+    return super.getFont(obj);
+  }
+
   @Override
   protected void fillContextMenu(IMenuManager manager, ITreeSelection selection)
   {
@@ -84,6 +136,14 @@ public class BuddiesItemProvider extends ContainerItemProvider<IContainer<Object
     }
   }
 
+  @Override
+  public void inputChanged(Viewer viewer, Object oldInput, Object newInput)
+  {
+    UIUtil.dispose(bold);
+    super.inputChanged(viewer, oldInput, newInput);
+    bold = UIUtil.getBoldFont(getViewer().getControl());
+  }
+
   /**
    * @author Eike Stepper
    */
diff --git a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesView.java b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesView.java
index 4446395731..b1948b68f3 100644
--- a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesView.java
+++ b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesView.java
@@ -7,7 +7,6 @@ import org.eclipse.net4j.buddies.IBuddySession;
 import org.eclipse.net4j.buddies.internal.ui.SharedIcons;
 import org.eclipse.net4j.buddies.internal.ui.bundle.OM;
 import org.eclipse.net4j.buddies.protocol.IBuddy;
-import org.eclipse.net4j.buddies.protocol.IBuddyStateChangedEvent;
 import org.eclipse.net4j.buddies.protocol.IBuddy.State;
 import org.eclipse.net4j.internal.buddies.Self;
 import org.eclipse.net4j.util.container.ContainerUtil;
@@ -35,6 +34,8 @@ public class BuddiesView extends ContainerView implements IListener
 
   private StateAction availableAction = new StateAction("Available", State.AVAILABLE, SharedIcons.OBJ_BUDDY);
 
+  private StateAction lonesomeAction = new StateAction("Lonesome", State.LONESOME, SharedIcons.OBJ_BUDDY);
+
   private StateAction awayAction = new StateAction("Away", State.AWAY, SharedIcons.OBJ_BUDDY_AWAY);
 
   private StateAction doNotDisturbAction = new StateAction("Do Not Disturb", State.DO_NOT_DISTURB,
@@ -171,11 +172,11 @@ public class BuddiesView extends ContainerView implements IListener
         }
       }
     }
-    else if (event instanceof IBuddyStateChangedEvent)
-    {
-      IBuddyStateChangedEvent e = (IBuddyStateChangedEvent)event;
-      updateLabels(e.getBuddy());
-    }
+    // else if (event instanceof IBuddyStateChangedEvent)
+    // {
+    // IBuddyStateChangedEvent e = (IBuddyStateChangedEvent)event;
+    // updateLabels(e.getBuddy());
+    // }
   }
 
   protected void closeView()
@@ -218,6 +219,7 @@ public class BuddiesView extends ContainerView implements IListener
   protected void fillLocalToolBar(IToolBarManager manager)
   {
     manager.add(availableAction);
+    manager.add(lonesomeAction);
     manager.add(awayAction);
     manager.add(doNotDisturbAction);
     super.fillLocalToolBar(manager);
diff --git a/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/UIUtil.java b/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/UIUtil.java
index 01540e1993..87b002e9d7 100644
--- a/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/UIUtil.java
+++ b/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/UIUtil.java
@@ -14,8 +14,11 @@ import org.eclipse.net4j.util.internal.ui.security.InteractiveCredentialsProvide
 import org.eclipse.net4j.util.security.IPasswordCredentialsProvider;
 
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.FontData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.ui.PlatformUI;
 
@@ -28,6 +31,23 @@ public final class UIUtil
   {
   }
 
+  public static void dispose(Font font)
+  {
+    if (font!= null)
+    {
+      font.dispose();
+    }
+  }
+
+  public static Font getBoldFont(Control control)
+  {
+    FontData[] datas = control.getFont().getFontData().clone();
+    datas[0].setStyle(SWT.BOLD);
+    Display display = control.getShell().getDisplay();
+    Font font = new Font(display, datas);
+    return font;
+  }
+
   public static Display getDisplay()
   {
     Display display = Display.getCurrent();
diff --git a/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/views/ItemProvider.java b/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/views/ItemProvider.java
index f14c0ed268..d85d9a7abd 100644
--- a/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/views/ItemProvider.java
+++ b/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/views/ItemProvider.java
@@ -16,6 +16,7 @@ import org.eclipse.net4j.util.ui.StructuredContentProvider;
 
 import org.eclipse.jface.action.IMenuManager;
 import org.eclipse.jface.viewers.IColorProvider;
+import org.eclipse.jface.viewers.IFontProvider;
 import org.eclipse.jface.viewers.ILabelProvider;
 import org.eclipse.jface.viewers.ILabelProviderListener;
 import org.eclipse.jface.viewers.ITreeContentProvider;
@@ -23,6 +24,7 @@ import org.eclipse.jface.viewers.ITreeSelection;
 import org.eclipse.jface.viewers.LabelProviderChangedEvent;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.ui.ISharedImages;
 import org.eclipse.ui.PlatformUI;
@@ -31,7 +33,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 public abstract class ItemProvider<INPUT> extends StructuredContentProvider<INPUT> implements ITreeContentProvider,
-    ILabelProvider, IColorProvider
+    ILabelProvider, IColorProvider, IFontProvider
 {
   public static final Object[] NO_ELEMENTS = {};
 
@@ -77,6 +79,11 @@ public abstract class ItemProvider<INPUT> extends StructuredContentProvider<INPU
     return null;
   }
 
+  public Font getFont(Object element)
+  {
+    return null;
+  }
+
   public boolean isLabelProperty(Object element, String property)
   {
     return true;
-- 
cgit v1.2.3