--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/jface/fieldassist/SimpleContentProposalProvider.d	Thu Apr 03 18:56:20 2008 +0200
@@ -0,0 +1,146 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2006 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.fieldassist.SimpleContentProposalProvider;
+
+import dwtx.jface.fieldassist.IContentProposalProvider;
+import dwtx.jface.fieldassist.IContentProposal;
+
+import tango.util.collection.ArraySeq;
+
+import dwt.dwthelper.utils;
+
+/**
+ * SimpleContentProposalProvider is a class designed to map a static list of
+ * Strings to content proposals.
+ *
+ * @see IContentProposalProvider
+ * @since 3.2
+ *
+ */
+public class SimpleContentProposalProvider : IContentProposalProvider {
+
+    /*
+     * The proposals provided.
+     */
+    private String[] proposals;
+
+    /*
+     * The proposals mapped to IContentProposal. Cached for speed in the case
+     * where filtering is not used.
+     */
+    private IContentProposal[] contentProposals;
+
+    /*
+     * bool that tracks whether filtering is used.
+     */
+    private bool filterProposals = false;
+
+    /**
+     * Construct a SimpleContentProposalProvider whose content proposals are
+     * always the specified array of Objects.
+     *
+     * @param proposals
+     *            the array of Strings to be returned whenever proposals are
+     *            requested.
+     */
+    public this(String[] proposals) {
+        //super();
+        this.proposals = proposals;
+    }
+
+    /**
+     * Return an array of Objects representing the valid content proposals for a
+     * field. Ignore the current contents of the field.
+     *
+     * @param contents
+     *            the current contents of the field (only consulted if filtering
+     *            is set to <code>true</code>)
+     * @param position
+     *            the current cursor position within the field (ignored)
+     * @return the array of Objects that represent valid proposals for the field
+     *         given its current content.
+     */
+    public IContentProposal[] getProposals(String contents, int position) {
+        if (filterProposals) {
+            auto list = new ArraySeq!(IContentProposal);
+            for (int i = 0; i < proposals.length; i++) {
+                if (proposals[i].length > contents.length
+                        && proposals[i].substring(0, contents.length)
+                                .equalsIgnoreCase(contents)) {
+                    list.append(makeContentProposal(proposals[i]));
+                }
+            }
+            return list.toArray();
+        }
+        if (contentProposals is null) {
+            contentProposals = new IContentProposal[proposals.length];
+            for (int i = 0; i < proposals.length; i++) {
+                contentProposals[i] = makeContentProposal(proposals[i]);
+            }
+        }
+        return contentProposals;
+    }
+
+    /**
+     * Set the Strings to be used as content proposals.
+     *
+     * @param items
+     *            the array of Strings to be used as proposals.
+     */
+    public void setProposals(String[] items) {
+        this.proposals = items;
+        contentProposals = null;
+    }
+
+    /**
+     * Set the bool that controls whether proposals are filtered according to
+     * the current field content.
+     *
+     * @param filterProposals
+     *            <code>true</code> if the proposals should be filtered to
+     *            show only those that match the current contents of the field,
+     *            and <code>false</code> if the proposals should remain the
+     *            same, ignoring the field content.
+     * @since 3.3
+     */
+    public void setFiltering(bool filterProposals) {
+        this.filterProposals = filterProposals;
+        // Clear any cached proposals.
+        contentProposals = null;
+    }
+
+    /*
+     * Make an IContentProposal for showing the specified String.
+     */
+    private IContentProposal makeContentProposal( String proposal) {
+        return new class IContentProposal {
+            String proposal_;
+            this(){proposal_=proposal;}
+            public String getContent() {
+                return proposal_;
+            }
+
+            public String getDescription() {
+                return null;
+            }
+
+            public String getLabel() {
+                return null;
+            }
+
+            public int getCursorPosition() {
+                return proposal_.length;
+            }
+        };
+    }
+}