317 lines
10 KiB
JavaScript
317 lines
10 KiB
JavaScript
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(function (factory) {
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/* global define */
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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 = 15;
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var COLUMN_WIDTH = 35;
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var currentColumn, currentRow, totalColumn, 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.specialCharacter', function () {
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return ui.button({
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contents: '<i class="fa fa-font fa-flip-vertical">',
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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 = $('<table/>');
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$.each(specialCharDataSet, function (idx, text) {
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var $td = $('<td/>').addClass('note-specialchar-node');
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var $tr = (idx % COLUMN_LENGTH === 0) ? $('<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.$dialog.find('button').tooltip('destroy');
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$(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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