vivat grendel!

git-svn-id: svn://10.0.0.236/trunk@9581 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/grendel/composition/TestDataSource2.java

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+/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is the Grendel mail/news client.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1997
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+
+package grendel.composition;
+
+import java.util.Vector;
+import com.sun.java.swing.event.*;
+import netscape.orion.misc.*;
+
+public class TestDataSource2 extends ATC_SourceAdapter {
+    String[] stringTable = {
+            "Bob Schenefelt",
+            "Tom Jones",
+            "Tim Smith",
+            "John Simon",
+            "Jim",
+            "Jimmy",
+            "Les",
+            "Lester",
+            "Lesters@netscape.com",
+            "Lester Schueler"
+    };
+
+    private Vector mSearchResults;      //holds search results. (see search)
+    private int mCurrentIndex = 0;      //current index if search results.
+
+    public TestDataSource2 () {
+    }
+
+    /**
+     * get the next match from the results vector.
+     */
+    public String getNext () {
+        if (mSearchResults.size() > 0) {
+            mCurrentIndex = (mCurrentIndex + 1) % mSearchResults.size();
+            return (String) mSearchResults.elementAt(mCurrentIndex);
+        }
+
+        return null;
+    }
+
+    /**
+     * get the previous match from the results vector.
+     */
+    public String getPrevious () {
+        if (mSearchResults.size() > 0) {
+            mCurrentIndex = mCurrentIndex + mSearchResults.size() - 1;
+            mCurrentIndex %= mSearchResults.size();
+            return (String) mSearchResults.elementAt(mCurrentIndex);
+        }
+
+        return null;
+    }
+
+    /**
+     * Gives notification the document has changed so perform a new search.
+     */
+    public void documentChanged(ATC_Document doc) {
+        //get the text from the document to search on.
+         String textToSearchFor = getDocumentText(doc);
+
+        //find all matches for the string.
+        findAllMatches (textToSearchFor);
+
+        //Inform the document of how many strings were found.
+        doc.setQueryResults(mSearchResults.size());
+    }
+
+    /**
+     *  Find all partial matches for a search string.
+     *  Store the result in the vector mSearchResults.
+     */
+    private void findAllMatches (String subString) {
+        int subStringLength = subString.length();
+
+        //store search results in s vector for later
+        mSearchResults = new Vector ();
+        mCurrentIndex = 0;
+
+        //don't match emtpy substrings.
+        if ((null == subString) || (subString.equals ("")))
+            return;
+
+        for (int i = 0; i < stringTable.length; i++) {
+            if ((stringTable[i].length() >= subStringLength)  &&
+                (stringTable[i].substring (0, subStringLength).equalsIgnoreCase (subString))) {
+
+                //matching substring
+                mSearchResults.addElement (stringTable[i].substring (subStringLength));
+            }
+        }
+
+        return;
+    }
+}