LaravelTest

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(function(factory) {
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  if (typeof define === 'function' && define.amd) {
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    // AMD. Register as an anonymous module.
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    define(['jquery'], factory);
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  } else if (typeof module === 'object' && module.exports) {
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    // Node/CommonJS
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    module.exports = factory(require('jquery'));
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  } else {
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    // Browser globals
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    factory(window.jQuery);
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  }
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}(function($) {
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  $.extend($.summernote.plugins, {
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    'specialchars': function(context) {
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      var self = this;
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      var ui = $.summernote.ui;
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      var $editor = context.layoutInfo.editor;
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      var options = context.options;
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      var lang = options.langInfo;
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      var KEY = {
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        UP: 38,
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        DOWN: 40,
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        LEFT: 37,
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        RIGHT: 39,
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        ENTER: 13,
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      };
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      var COLUMN_LENGTH = 12;
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      var COLUMN_WIDTH = 35;
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      var currentColumn = 0;
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      var currentRow = 0;
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      var totalColumn = 0;
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      var totalRow = 0;
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      // special characters data set
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      var specialCharDataSet = [
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        '"', '&', '<', '>', '¡', '¢',
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        '£', '¤', '¥', '¦', '§',
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        '¨', '©', 'ª', '«', '¬',
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        '®', '¯', '°', '±', '²',
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        '³', '´', 'µ', '¶', '·',
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        '¸', '¹', 'º', '»', '¼',
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        '½', '¾', '¿', '×', '÷',
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        'ƒ', 'ˆ', '˜', '–', '—',
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        '‘', '’', '‚', '“', '”',
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        '„', '†', '‡', '•', '…',
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        '‰', '′', '″', '‹', '›',
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        '‾', '⁄', '€', 'ℑ', '℘',
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        'ℜ', '™', 'ℵ', '←', '↑',
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        '→', '↓', '↔', '↵', '⇐',
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        '⇑', '⇒', '⇓', '⇔', '∀',
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        '∂', '∃', '∅', '∇', '∈',
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        '∉', '∋', '∏', '∑', '−',
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        '∗', '√', '∝', '∞', '∠',
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        '∧', '∨', '∩', '∪', '∫',
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        '∴', '∼', '≅', '≈', '≠',
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        '≡', '≤', '≥', '⊂', '⊃',
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        '⊄', '⊆', '⊇', '⊕', '⊗',
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        '⊥', '⋅', '⌈', '⌉', '⌊',
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        '⌋', '◊', '♠', '♣', '♥',
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        '♦',
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      ];
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      context.memo('button.specialchars', function() {
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        return ui.button({
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          contents: '<i class="fa fa-font fa-flip-vertical"></i>',
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          tooltip: lang.specialChar.specialChar,
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          click: function() {
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            self.show();
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          },
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        }).render();
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      });
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      /**
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       * Make Special Characters Table
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       *
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       * @member plugin.specialChar
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       * @private
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       * @return {jQuery}
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       */
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      this.makeSpecialCharSetTable = function() {
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        var $table = $('<table></table>');
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        $.each(specialCharDataSet, function(idx, text) {
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          var $td = $('<td></td>').addClass('note-specialchar-node');
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          var $tr = (idx % COLUMN_LENGTH === 0) ? $('<tr></tr>') : $table.find('tr').last();
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          var $button = ui.button({
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            callback: function($node) {
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              $node.html(text);
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              $node.attr('title', text);
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              $node.attr('data-value', encodeURIComponent(text));
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              $node.css({
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                width: COLUMN_WIDTH,
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                'margin-right': '2px',
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                'margin-bottom': '2px',
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              });
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            },
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          }).render();
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          $td.append($button);
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          $tr.append($td);
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          if (idx % COLUMN_LENGTH === 0) {
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            $table.append($tr);
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          }
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        });
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        totalRow = $table.find('tr').length;
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        totalColumn = COLUMN_LENGTH;
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        return $table;
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      };
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      this.initialize = function() {
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        var $container = options.dialogsInBody ? $(document.body) : $editor;
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        var body = '<div class="form-group row-fluid">' + this.makeSpecialCharSetTable()[0].outerHTML + '</div>';
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        this.$dialog = ui.dialog({
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          title: lang.specialChar.select,
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          body: body,
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        }).render().appendTo($container);
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      };
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      this.show = function() {
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        var text = context.invoke('editor.getSelectedText');
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        context.invoke('editor.saveRange');
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        this.showSpecialCharDialog(text).then(function(selectChar) {
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          context.invoke('editor.restoreRange');
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          // build node
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          var $node = $('<span></span>').html(selectChar)[0];
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          if ($node) {
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            // insert video node
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            context.invoke('editor.insertNode', $node);
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          }
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        }).fail(function() {
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          context.invoke('editor.restoreRange');
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        });
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      };
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      /**
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       * show image dialog
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       *
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       * @param {jQuery} $dialog
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       * @return {Promise}
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       */
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      this.showSpecialCharDialog = function(text) {
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        return $.Deferred(function(deferred) {
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          var $specialCharDialog = self.$dialog;
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          var $specialCharNode = $specialCharDialog.find('.note-specialchar-node');
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          var $selectedNode = null;
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          var ARROW_KEYS = [KEY.UP, KEY.DOWN, KEY.LEFT, KEY.RIGHT];
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          var ENTER_KEY = KEY.ENTER;
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          function addActiveClass($target) {
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            if (!$target) {
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              return;
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            }
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            $target.find('button').addClass('active');
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            $selectedNode = $target;
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          }
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          function removeActiveClass($target) {
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            $target.find('button').removeClass('active');
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            $selectedNode = null;
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          }
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          // find next node
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          function findNextNode(row, column) {
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            var findNode = null;
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            $.each($specialCharNode, function(idx, $node) {
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              var findRow = Math.ceil((idx + 1) / COLUMN_LENGTH);
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              var findColumn = ((idx + 1) % COLUMN_LENGTH === 0) ? COLUMN_LENGTH : (idx + 1) % COLUMN_LENGTH;
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              if (findRow === row && findColumn === column) {
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                findNode = $node;
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                return false;
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              }
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            });
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            return $(findNode);
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          }
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          function arrowKeyHandler(keyCode) {
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            // left, right, up, down key
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            var $nextNode;
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            var lastRowColumnLength = $specialCharNode.length % totalColumn;
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            if (KEY.LEFT === keyCode) {
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              if (currentColumn > 1) {
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                currentColumn = currentColumn - 1;
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              } else if (currentRow === 1 && currentColumn === 1) {
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                currentColumn = lastRowColumnLength;
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                currentRow = totalRow;
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              } else {
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                currentColumn = totalColumn;
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                currentRow = currentRow - 1;
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              }
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            } else if (KEY.RIGHT === keyCode) {
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              if (currentRow === totalRow && lastRowColumnLength === currentColumn) {
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                currentColumn = 1;
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                currentRow = 1;
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              } else if (currentColumn < totalColumn) {
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                currentColumn = currentColumn + 1;
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              } else {
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                currentColumn = 1;
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                currentRow = currentRow + 1;
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              }
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            } else if (KEY.UP === keyCode) {
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              if (currentRow === 1 && lastRowColumnLength < currentColumn) {
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                currentRow = totalRow - 1;
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              } else {
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                currentRow = currentRow - 1;
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              }
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            } else if (KEY.DOWN === keyCode) {
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              currentRow = currentRow + 1;
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            }
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            if (currentRow === totalRow && currentColumn > lastRowColumnLength) {
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              currentRow = 1;
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            } else if (currentRow > totalRow) {
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              currentRow = 1;
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            } else if (currentRow < 1) {
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              currentRow = totalRow;
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            }
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            $nextNode = findNextNode(currentRow, currentColumn);
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            if ($nextNode) {
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              removeActiveClass($selectedNode);
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              addActiveClass($nextNode);
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            }
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          }
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          function enterKeyHandler() {
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            if (!$selectedNode) {
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              return;
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            }
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            deferred.resolve(decodeURIComponent($selectedNode.find('button').attr('data-value')));
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            $specialCharDialog.modal('hide');
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          }
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          function keyDownEventHandler(event) {
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            event.preventDefault();
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            var keyCode = event.keyCode;
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            if (keyCode === undefined || keyCode === null) {
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              return;
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            }
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            // check arrowKeys match
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            if (ARROW_KEYS.indexOf(keyCode) > -1) {
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              if ($selectedNode === null) {
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                addActiveClass($specialCharNode.eq(0));
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                currentColumn = 1;
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                currentRow = 1;
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                return;
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              }
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              arrowKeyHandler(keyCode);
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            } else if (keyCode === ENTER_KEY) {
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              enterKeyHandler();
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            }
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            return false;
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          }
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          // remove class
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          removeActiveClass($specialCharNode);
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          // find selected node
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          if (text) {
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            for (var i = 0; i < $specialCharNode.length; i++) {
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              var $checkNode = $($specialCharNode[i]);
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              if ($checkNode.text() === text) {
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                addActiveClass($checkNode);
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                currentRow = Math.ceil((i + 1) / COLUMN_LENGTH);
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                currentColumn = (i + 1) % COLUMN_LENGTH;
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              }
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            }
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          }
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          ui.onDialogShown(self.$dialog, function() {
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            $(document).on('keydown', keyDownEventHandler);
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            self.$dialog.find('button').tooltip();
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            $specialCharNode.on('click', function(event) {
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              event.preventDefault();
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              deferred.resolve(decodeURIComponent($(event.currentTarget).find('button').attr('data-value')));
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              ui.hideDialog(self.$dialog);
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            });
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          });
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          ui.onDialogHidden(self.$dialog, function() {
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            $specialCharNode.off('click');
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            self.$dialog.find('button').tooltip();
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            $(document).off('keydown', keyDownEventHandler);
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            if (deferred.state() === 'pending') {
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              deferred.reject();
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            }
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          });
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          ui.showDialog(self.$dialog);
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        });
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      };
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    },
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  });
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}));
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