problem_history_edit: Fix moving cursor and button menu style

css/main.css

@@ -605,3 +605,11 @@ table.edit_form td p.form_error { color: red; font-size: small; }
 }
 
 .keywords_cell a:hover { color: #e0e0e0; background-color: black; }
+
+.button_menu_trigger { 
+    display: inline-block; 
+    padding-left: 5px;
+    padding-right: 5px;
+}
+.button_menu_trigger .editor_menu { display: none; }
+.button_menu_trigger.button_menu_hovered .editor_menu { display: block; }

tt/lang/cn/problems.html.tt

@@ -51,6 +51,8 @@
     keyword => 'keyword',
     input_format => 'input format',
     output_format => 'output format',
+    formatting => 'formatting',
+    renum_tests => 'renum tests',
     upload => 'upload',
     want_to_delete_file => 'Do you really want to delete file ',
     different_versions => 'Files on server and client did not match',

tt/lang/en/problems.html.tt

@@ -50,6 +50,8 @@
     keyword => 'keyword',
     input_format => 'input format',
     output_format => 'output format',
+    formatting => 'formatting',
+    renum_tests => 'renum tests',
     upload => 'upload',
     want_to_delete_file => 'Do you really want to delete file ',
     different_versions => 'Files on server and client did not match',

tt/lang/ru/problems.html.tt

@@ -50,6 +50,8 @@
     keyword => 'ключевое слово',
     input_format => 'формат ввода',
     output_format => 'формат вывода',
+    formatting => 'форматирование',
+    renum_tests => 'перенумеровать тесты',
     upload => 'загрузить',
     want_to_delete_file => 'Вы действительно желаете удалить файл ',
     different_versions => 'Файлы на сервере и клиенте не совпали',

tt/problem_history_edit.html.tt

@@ -83,7 +83,13 @@ window.addEventListener('load', function () {
       var search = function() { return editor.$search.findAll(editor.session); };
       if (!is_repeat) {
         editor.$search.setOptions({ needle: tag });
-        if (search().length)
+        var matches = search();
+        if (matches.length)
+          var match = matches[matches.length - 1].start;
+          var insert_position = { row: match.row, column: match.column };
+          editor.selection.moveTo(insert_position.row, prefix.length);
+          // 0.5 centers the line on screen
+          editor.renderer.scrollCursorIntoView(insert_position, 0.5);
           return;
       }
       editor.$search.setOptions({ needle: prev });
@@ -103,14 +109,105 @@ window.addEventListener('load', function () {
       editor.renderer.scrollCursorIntoView(insert_position, 0.5);
     }
   }
+
+  function renum_tests_function(){
+
+    var  get_rank = function(new_line){
+      var first_mark = new_line.indexOf('rank="') + 5;
+      var second_mark = new_line.indexOf('"', first_mark + 1);
+      return new_line.slice(first_mark + 1, second_mark);
+    }
+
+    var is_valid = function(new_line){
+      if (new_line==null){
+        return false;
+      }
+      if (new_line.match(/<Test/) == null){
+        return false;
+      }
+      if (new_line.match(/rank=/) == null){
+        return false;
+      }
+      return true;
+    }
+
+    var find_min_rank = function(start, end){
+      var min_rank = 0;
+      for (var i = start; i <= end; i++) {
+        new_line = editor.session.getLine(i);
+        if (!is_valid(new_line)){
+          continue;
+        }
+        var rank = get_rank(new_line);
+        if (rank.indexOf('-') > 0) {
+          rank = rank.slice(0, rank.indexOf('-'));
+        }
+        if (!min_rank) {
+          min_rank = rank;
+        }
+        if (rank < min_rank) {
+          min_rank = rank;
+        }
+      }
+      return min_rank;
+    }
+
+    var editorLines = editor.selection.getAllRanges();
+    var start = editorLines[0].start.row;
+    var end = editorLines[0].end.row;
+    var text = "";
+    var new_line = editor.session.getLine(start);
+    while (!is_valid(new_line)) {
+      text += new_line + "\n";
+      start++;
+      new_line = editor.session.getLine(start);
+    }
+    var count = find_min_rank(start, end) - 1;
+    for (var i = start; i <= end; i++) {
+      new_line = editor.session.getLine(i);
+      if (!is_valid(new_line)) {
+        text += new_line + "\n";
+        continue;
+      }
+      count++;
+      var rank = get_rank(new_line);
+      var first_mark = new_line.indexOf('rank="') + 5;
+      var second_mark = new_line.indexOf('"', first_mark + 1);
+      prefix = new_line.slice(0,first_mark+1);
+      suffix = new_line.slice(second_mark, new_line.length);
+      if (rank.indexOf('-') < 0) {
+        rank = count;
+      } else {
+        var first_rank = rank.slice(0, rank.indexOf('-'));
+        var second_rank = rank.slice(rank.indexOf('-') + 1, rank.length);
+        var diff = second_rank - first_rank;
+        first_rank = count;
+        second_rank = first_rank + diff;
+        rank = first_rank +"-"+ second_rank;
+        count = second_rank;
+      }
+      text+=prefix + rank + suffix+"\n";
+    }
+    text = text.slice(0,text.length - 1);
+    //delete "\n" in the end of text
+    editorLines = editor.selection.getRange();
+    editorLines.start.column = 0;
+    editorLines.end.column = new_line.length;
+    editor.session.replace(editorLines, text);
+  }
 
   $('#keyword_button').click(add_button_function(true,
     /<Keyword code=/, '<Keyword code="', '" />\n', /<Keyword code=/, /<ProblemStatement>/));
   $('#input_button').click(add_button_function(false,
     /<InputFormat>/, '<InputFormat>', '</InputFormat>\n', /ProblemStatement>/, /<OutputFormat>/));
   $('#output_button').click(add_button_function(false,
     /<OutputFormat>/, '<OutputFormat>', '</OutputFormat>\n', /InputFormat>/, /<ProblemConstraints>/));
+
+  $('#renum_tests_button').click(renum_tests_function);
+
   $('.problem_menu_trigger').click(function() { $(this).toggleClass('problem_menu_hovered'); });
+  $('.button_menu_trigger').click(function() { $(this).toggleClass('button_menu_hovered'); });
+
 })</script>
 [%- END %]
 [% PROCESS includes/menu_begin.tti %]
@@ -149,13 +246,19 @@ window.addEventListener('load', function () {
     <select id="de_id" class="toolbar_item">
       [% FOREACH de IN de_list.des; editor_select_option(de.id, de.description, de.syntax, de.id == de_selected.id); END %]
     </select>
-    <a class="problem_menu_trigger toolbar_item">[% capt.add %]
+    <a class="button_menu_trigger button toolbar_item ">[% capt.add %]
       <div class="editor_menu">
         <button type="button" id="keyword_button" class="button toolbar_item">[% capt.keyword %]</button>
         <button type="button" id="input_button" class="button toolbar_item">[% capt.input_format %]</button>
         <button type="button" id="output_button" class="button toolbar_item">[% capt.output_format %]</button>
       </div>
     </a>
+    <a class="button_menu_trigger button toolbar_item ">[% capt.formatting %]
+      <div class="editor_menu">
+        <button type="button" id="renum_tests_button" class="button toolbar_item">[% capt.renum_tests %]</button>
+      </div>
+    </a>
+
     <a class="problem_menu_trigger toolbar_item">&#x2261
       [%- PROCESS includes/editor_menu.tti editor_id = 'ed_pe' _ pid _ '_' _ (edit_file ? file : hash) -%]
     </a>