SideBySide: Allow to activate match brackets Codemirror addon

Now, that we migrated diff user preferences to Git backend, we can
make activation of codemirror option: "highlight matched brackets"
customizable.

Change-Id: I37c1c1ee13ff872e3cbc349a7c9fee636312402e

Documentation/rest-api-accounts.txt

@@ -1709,6 +1709,8 @@ Number of spaces that should be used to display one tab.
 |'hide_empty_pane'             |not set if `false`|
 Whether empty panes should be hidden. The left pane is empty when a
 file was added; the right pane is empty when a file was deleted.
+|`match_brackets`              |not set if `false`|
+Whether matching brackets should be highlighted.
 |===========================================
 
 [[diff-preferences-input]]

gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/account/DiffPreferencesIT.java

@@ -63,6 +63,7 @@ public class DiffPreferencesIT extends AbstractDaemonTest {
     assertThat(o.hideLineNumbers).isNull();
     assertThat(o.renderEntireFile).isNull();
     assertThat(o.hideEmptyPane).isNull();
+    assertThat(o.matchBrackets).isNull();
     assertThat(o.ignoreWhitespace).isEqualTo(d.ignoreWhitespace);
     assertThat(o.theme).isEqualTo(d.theme);
   }
@@ -93,6 +94,7 @@ public class DiffPreferencesIT extends AbstractDaemonTest {
     i.hideLineNumbers ^= true;
     i.renderEntireFile ^= true;
     i.hideEmptyPane ^= true;
+    i.matchBrackets ^= true;
 
     RestResponse r = adminSession.put("/accounts/" + admin.email
         + "/preferences.diff", i);
@@ -119,6 +121,7 @@ public class DiffPreferencesIT extends AbstractDaemonTest {
     assertThat(o.hideLineNumbers).isEqualTo(i.hideLineNumbers);
     assertThat(o.renderEntireFile).isEqualTo(i.renderEntireFile);
     assertThat(o.hideEmptyPane).isEqualTo(i.hideEmptyPane);
+    assertThat(o.matchBrackets).isEqualTo(i.matchBrackets);
     assertThat(o.ignoreWhitespace).isEqualTo(i.ignoreWhitespace);
     assertThat(o.theme).isEqualTo(i.theme);
 

gerrit-extension-api/src/main/java/com/google/gerrit/extensions/client/DiffPreferencesInfo.java

@@ -55,6 +55,7 @@ public class DiffPreferencesInfo {
   public Boolean hideLineNumbers;
   public Boolean renderEntireFile;
   public Boolean hideEmptyPane;
+  public Boolean matchBrackets;
   public Theme theme;
   public Whitespace ignoreWhitespace;
   public Boolean retainHeader;
@@ -84,6 +85,7 @@ public class DiffPreferencesInfo {
     i.hideLineNumbers = false;
     i.renderEntireFile = false;
     i.hideEmptyPane = false;
+    i.matchBrackets = false;
     return i;
   }
 }

gerrit-gwtui/src/main/java/com/google/gerrit/client/account/DiffPreferences.java

@@ -46,6 +46,7 @@ public class DiffPreferences extends JavaScriptObject {
     p.retainHeader(in.retainHeader);
     p.skipUncommented(in.skipUncommented);
     p.skipDeleted(in.skipDeleted);
+    p.matchBrackets(in.matchBrackets);
     return p;
   }
 
@@ -69,6 +70,7 @@ public class DiffPreferences extends JavaScriptObject {
     p.hideLineNumbers = hideLineNumbers();
     p.renderEntireFile = renderEntireFile();
     p.hideEmptyPane = hideEmptyPane();
+    p.matchBrackets = matchBrackets();
     p.theme = theme();
     p.ignoreWhitespace = ignoreWhitespace();
   }
@@ -134,10 +136,11 @@ public class DiffPreferences extends JavaScriptObject {
   public final native void expandAllComments(boolean e) /*-{ this.expand_all_comments = e }-*/;
   public final native void manualReview(boolean r) /*-{ this.manual_review = r }-*/;
   public final native void renderEntireFile(boolean r) /*-{ this.render_entire_file = r }-*/;
-  public final native void hideEmptyPane(boolean s) /*-{ this.hide_empty_pane = s }-*/;
   public final native void retainHeader(boolean r) /*-{ this.retain_header = r }-*/;
+  public final native void hideEmptyPane(boolean s) /*-{ this.hide_empty_pane = s }-*/;
   public final native void skipUncommented(boolean s) /*-{ this.skip_uncommented = s }-*/;
   public final native void skipDeleted(boolean s) /*-{ this.skip_deleted = s }-*/;
+  public final native void matchBrackets(boolean m) /*-{ this.match_brackets = m }-*/;
   public final native boolean intralineDifference() /*-{ return this.intraline_difference || false }-*/;
   public final native boolean showLineEndings() /*-{ return this.show_line_endings || false }-*/;
   public final native boolean showTabs() /*-{ return this.show_tabs || false }-*/;
@@ -153,6 +156,7 @@ public class DiffPreferences extends JavaScriptObject {
   public final native boolean retainHeader() /*-{ return this.retain_header || false }-*/;
   public final native boolean skipUncommented() /*-{ return this.skip_uncommented || false }-*/;
   public final native boolean skipDeleted() /*-{ return this.skip_deleted || false }-*/;
+  public final native boolean matchBrackets() /*-{ return this.match_brackets || false }-*/;
 
   private final native void setThemeRaw(String i) /*-{ this.theme = i }-*/;
   private final native void setIgnoreWhitespaceRaw(String i) /*-{ this.ignore_whitespace = i }-*/;

gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/PreferencesBox.java

@@ -101,6 +101,7 @@ public class PreferencesBox extends Composite {
   @UiField ToggleButton manualReview;
   @UiField ToggleButton expandAllComments;
   @UiField ToggleButton renderEntireFile;
+  @UiField ToggleButton matchBrackets;
   @UiField ListBox theme;
   @UiField Element modeLabel;
   @UiField ListBox mode;
@@ -192,6 +193,7 @@ public class PreferencesBox extends Composite {
     autoHideDiffTableHeader.setValue(!prefs.autoHideDiffTableHeader());
     manualReview.setValue(prefs.manualReview());
     expandAllComments.setValue(prefs.expandAllComments());
+    matchBrackets.setValue(prefs.matchBrackets());
     setTheme(prefs.theme());
 
     if (view == null || view.canRenderEntireFile(prefs)) {
@@ -482,6 +484,15 @@ public class PreferencesBox extends Composite {
     }
   }
 
+  @UiHandler("matchBrackets")
+  void onMatchBrackets(ValueChangeEvent<Boolean> e) {
+    prefs.matchBrackets(e.getValue());
+    view.getCmFromSide(DisplaySide.A).setOption("matchBrackets",
+        prefs.matchBrackets());
+    view.getCmFromSide(DisplaySide.B).setOption("matchBrackets",
+        prefs.matchBrackets());
+  }
+
   @UiHandler("theme")
   void onTheme(@SuppressWarnings("unused") ChangeEvent e) {
     final Theme newTheme = getSelectedTheme();

gerrit-gwtui/src/main/java/com/google/gerrit/client/diff/PreferencesBox.ui.xml

@@ -289,6 +289,13 @@ limitations under the License.
           <g:downFace><ui:msg>Slow</ui:msg></g:downFace>
         </g:ToggleButton></td>
       </tr>
+      <tr>
+        <th><ui:msg>Match Brackets</ui:msg></th>
+        <td><g:ToggleButton ui:field='matchBrackets'>
+          <g:upFace><ui:msg>Off</ui:msg></g:upFace>
+          <g:downFace><ui:msg>On</ui:msg></g:downFace>
+        </g:ToggleButton></td>
+      </tr>
       <tr>
         <td></td>
         <td>