Now search history is stored in state and can be traversed using arrow keys while focus is on search text

src/nls/root/strings.js

@@ -152,6 +152,7 @@ define({
     "FIND_MATCH_INDEX"                  : "{0} of {1}",
     "FIND_NO_RESULTS"                   : "No results",
     "FIND_QUERY_PLACEHOLDER"            : "Find\u2026",
+    "FIND_HISTORY_MAX_COUNT"            : "Maximum Number of Search Items in Search History",
     "REPLACE_PLACEHOLDER"               : "Replace with\u2026",
     "BUTTON_REPLACE_ALL"                : "Replace All",
     "BUTTON_REPLACE_BATCH"              : "Batch\u2026",

src/search/FindBar.js

@@ -267,6 +267,7 @@ define(function (require, exports, module) {
         FindBar._addFindBar(this);
 
         var $root = this._modalBar.getRoot();
+        var historyIndex = 0;
         $root
             .on("input", "#find-what", function () {
                 self.trigger("queryChange");
@@ -310,9 +311,21 @@ define(function (require, exports, module) {
                 if (intervalId === 0) {
                     intervalId = window.setInterval(executeSearchIfNeeded, 50);
                 }
+                var searchHistory = PreferencesManager.getViewState("searchHistory");
+                var maxCount = PreferencesManager.get("maxSearchHistory");
                 if (e.keyCode === KeyEvent.DOM_VK_RETURN) {
                     e.preventDefault();
                     e.stopPropagation();
+                    var searchQueryIndex = searchHistory.indexOf($('#find-what').val());
+                    if (searchQueryIndex !== -1) {
+                        searchHistory.splice(searchQueryIndex, 1);
+                    } else {
+                        if (searchHistory.length === maxCount) {
+                            searchHistory.pop();
+                        }
+                    }
+                    searchHistory.unshift($('#find-what').val());
+                    PreferencesManager.setViewState("searchHistory", searchHistory);
                     lastQueriedText = self.getQueryInfo().query;
                     if (self._options.multifile) {
                         if ($(e.target).is("#find-what")) {
@@ -333,6 +346,15 @@ define(function (require, exports, module) {
                         // if Shift is held down).
                         self.trigger("doFind", e.shiftKey);
                     }
+                    historyIndex = 0;
+                } else if (e.keyCode === KeyEvent.DOM_VK_DOWN || e.keyCode === KeyEvent.DOM_VK_UP) {
+                    if (e.keyCode === KeyEvent.DOM_VK_DOWN) {
+                        historyIndex = (historyIndex - 1 + searchHistory.length) % searchHistory.length;
+                    } else {
+                        historyIndex = (historyIndex + 1 + searchHistory.length) % searchHistory.length;
+                    }
+                    $("#find-what").val(searchHistory[historyIndex]);
+                    self.trigger("queryChange");
                 }
             });
 
@@ -616,6 +638,10 @@ define(function (require, exports, module) {
 
     PreferencesManager.stateManager.definePreference("caseSensitive", "boolean", false);
     PreferencesManager.stateManager.definePreference("regexp", "boolean", false);
+    PreferencesManager.stateManager.definePreference("searchHistory", "array", []);
+    PreferencesManager.definePreference("maxSearchHistory", "number", 10, {
+        description: Strings.FIND_HISTORY_MAX_COUNT
+    });
 
     exports.FindBar = FindBar;
 });

test/spec/FindInFiles-test.js

@@ -86,6 +86,7 @@ define(function (require, exports, module) {
                 PreferencesManager  = testWindow.brackets.test.PreferencesManager;
                 PreferencesManager.set("findInFiles.nodeSearch", false);
                 PreferencesManager.set("findInFiles.instantSearch", false);
+                PreferencesManager.set("maxSearchHistory", 5);
             });
         });
 
@@ -409,6 +410,43 @@ define(function (require, exports, module) {
                     expect(fileResults).toBeFalsy();
                 });
             });
+
+            it("should verify the contents of searchHistory array", function () {
+                var fileEntry = FileSystem.getFileForPath(testPath + "/foo.js");
+                openSearchBar(fileEntry);
+                executeSearch("foo1");
+                executeSearch("foo2");
+                executeSearch("foo3");
+                executeSearch("foo4");
+                executeSearch("foo5");
+
+                runs(function () {
+                    var searchHistory = PreferencesManager.getViewState("searchHistory");
+                    expect(searchHistory.length).toBe(5);
+                    expect(searchHistory).toEqual(["foo5", "foo4", "foo3", "foo2", "foo1"]);
+                });
+            });
+
+            it("should traverse through search history using up and down arrow keys", function () {
+                var fileEntry = FileSystem.getFileForPath(testPath + "/foo.js");
+                openSearchBar(fileEntry);
+                executeSearch("foo1");
+                executeSearch("foo2");
+                executeSearch("foo3");
+                executeSearch("foo4");
+                executeSearch("foo5");
+
+                runs(function () {
+                    var searchHistory = PreferencesManager.getViewState("searchHistory");
+                    var $searchField = $("#find-what");
+                    SpecRunnerUtils.simulateKeyEvent(KeyEvent.DOM_VK_UP, "keydown", $searchField[0]);
+                    expect($("#find-what").val()).toBe("foo4");
+                    SpecRunnerUtils.simulateKeyEvent(KeyEvent.DOM_VK_DOWN, "keydown", $searchField[0]);
+                    expect($("#find-what").val()).toBe("foo5");
+                    SpecRunnerUtils.simulateKeyEvent(KeyEvent.DOM_VK_DOWN, "keydown", $searchField[0]);
+                    expect($("#find-what").val()).toBe("foo1");
+                });
+            });
 
             it("should find start and end positions", function () {
                 var filePath = testPath + "/foo.js",