--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/jface/internal/text/link/contentassist/PopupCloser2.d	Sat Aug 23 19:10:48 2008 +0200
@@ -0,0 +1,138 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2005 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+module dwtx.jface.internal.text.link.contentassist.PopupCloser2;
+
+import dwt.dwthelper.utils;
+
+
+import dwt.events.FocusEvent;
+import dwt.events.FocusListener;
+import dwt.events.SelectionEvent;
+import dwt.events.SelectionListener;
+import dwt.events.ShellAdapter;
+import dwt.events.ShellEvent;
+import dwt.widgets.Display;
+import dwt.widgets.ScrollBar;
+import dwt.widgets.Shell;
+import dwt.widgets.Table;
+
+
+/**
+ * A generic closer class used to monitor various
+ * interface events in order to determine whether
+ * a content assistant should be terminated and all
+ * associated windows be closed.
+ */
+class PopupCloser2 : ShellAdapter , FocusListener, SelectionListener {
+
+    /** The content assistant to be monitored */
+    private ContentAssistant2 fContentAssistant;
+    /** The table of a selector popup opened by the content assistant */
+    private Table fTable;
+    /** The scrollbar of the table for the selector popup */
+    private ScrollBar fScrollbar;
+    /** Indicates whether the scrollbar thumb has been grabbed. */
+    private bool fScrollbarClicked= false;
+    /** The shell on which some listeners are registered. */
+    private Shell fShell;
+
+
+    /**
+     * Installs this closer on the given table opened by the given content assistant.
+     *
+     * @param contentAssistant the content assistant
+     * @param table the table to be tracked
+     */
+    public void install(ContentAssistant2 contentAssistant, Table table) {
+        fContentAssistant= contentAssistant;
+        fTable= table;
+        if (Helper2.okToUse(fTable)) {
+            Shell shell= fTable.getShell();
+            if (Helper2.okToUse(shell)) {
+                fShell= shell;
+                fShell.addShellListener(this);
+            }
+            fTable.addFocusListener(this);
+            fScrollbar= fTable.getVerticalBar();
+            if (fScrollbar !is null)
+                fScrollbar.addSelectionListener(this);
+        }
+    }
+
+    /**
+     * Uninstalls this closer if previously installed.
+     */
+    public void uninstall() {
+        fContentAssistant= null;
+        if (Helper2.okToUse(fShell))
+            fShell.removeShellListener(this);
+        fShell= null;
+        if (Helper2.okToUse(fScrollbar))
+            fScrollbar.removeSelectionListener(this);
+        if (Helper2.okToUse(fTable))
+            fTable.removeFocusListener(this);
+    }
+
+    /*
+     * @see dwt.events.SelectionListener#widgetSelected(dwt.events.SelectionEvent)
+     */
+    public void widgetSelected(SelectionEvent e) {
+        fScrollbarClicked= true;
+    }
+
+    /*
+     * @see dwt.events.SelectionListener#widgetDefaultSelected(dwt.events.SelectionEvent)
+     */
+    public void widgetDefaultSelected(SelectionEvent e) {
+        fScrollbarClicked= true;
+    }
+
+    /*
+     * @see dwt.events.FocusListener#focusGained(dwt.events.FocusEvent)
+     */
+    public void focusGained(FocusEvent e) {
+    }
+
+    /*
+     * @see dwt.events.FocusListener#focusLost(dwt.events.FocusEvent)
+     */
+    public void focusLost(final FocusEvent e) {
+        fScrollbarClicked= false;
+        Display d= fTable.getDisplay();
+        d.asyncExec(new Runnable() {
+            public void run() {
+                if (Helper2.okToUse(fTable) && !fTable.isFocusControl() && !fScrollbarClicked && fContentAssistant !is null)
+                    fContentAssistant.popupFocusLost(e);
+            }
+        });
+    }
+
+    /*
+     * @see dwt.events.ShellAdapter#shellDeactivated(dwt.events.ShellEvent)
+     * @since 3.1
+     */
+    public void shellDeactivated(ShellEvent e) {
+        if (fContentAssistant !is null)
+            fContentAssistant.hide();
+    }
+
+
+    /*
+     * @see dwt.events.ShellAdapter#shellClosed(dwt.events.ShellEvent)
+     * @since 3.1
+     */
+    public void shellClosed(ShellEvent e) {
+        if (fContentAssistant !is null)
+            fContentAssistant.hide();
+    }
+}