jquery.tagget.js

   1 /**
   2  * tagget: The Simple HTML Editor (jQuery Plugin)
   3  *
   4  * http://tagget.org/
   5  *
   6  * Licensed under the MIT license.
   7  * Copyright (c) 2009 tagget.org
   8  *
   9  * version 0.1.1
  10  */
  11 (function($) {
  12
  13     /* ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- */
  14
  15         /**
  16          *
  17          * 入力補完候補を保持、取得するオブジェクト
  18          *
  19          */
  20         var Suggester = {
  21
  22                 // 入力データを利用した補完を行うか
  23                 byInputs: true,
  24
  25                 keywords: {
  26
  27                         html: (function() {
  28
  29                                 // <head>内の要素
  30                                 var header = [
  31                                         '<?xml version="1.0" encoding="#{c}"?>\n',
  32                                         '<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">\n',
  33                                         '<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">\n',
  34                                         '<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">\n',
  35                                         '<!DOCTYPE html>',
  36                                         '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ja" lang="ja">\n',
  37                                         '<link rel="stylesheet" type="text/css" href="#{c}" />\n',
  38                                         '<script type="text/javascript" src="#{c}"></script>\n',
  39                                         '<script type="text/javascript">\n#{c}\n</script>\n',
  40                                         '<style type="text/css">\n#{c}\n</style>\n',
  41
  42                                         '<meta http-equiv="Content-Type" content="text/html; charset=#{c}" />\n',
  43                                         '<meta http-equiv="Content-Style-Type" content="text/css" />\n',
  44                                         '<meta http-equiv="Content-Script-Type" content="text/javascript" />\n',
  45                                         '<meta name="ROBOTS" content="#{c}" />\n',
  46                                         '<meta name="description" content="#{c}" />\n',
  47                                         '<meta name="keywords" content="#{c}" />\n',
  48
  49                                         '<head>#{c}</head>\n',
  50                                         '<title>#{c}</title>\n',
  51                                         '<body>#{c}</body>\n',
  52
  53                                         '<link rel="alternate" type="application/atom+xml" title="#{c}" href="" />\n',
  54                                         '<link rel="alternate" type="application/rss+xml" title="#{c}" href="" />\n',
  55                                         '<link rel="EditURI" type="application/rsd+xml" title="#{c}" href="" />\n'
  56                                 ];
  57
  58                                 // <body>内の要素
  59                                 var body = [
  60                                         '<a>#{c}</a>',
  61                                         '<address>#{c}</address>',
  62                                         '<![CDATA[ #{c} ]]>',
  63                                         '<img src="#{c}" />',
  64                                         '<br />',
  65                                         '<div>#{c}</div>\n',
  66                                         '<span>#{c}</span>',
  67
  68                                         '<h1>#{c}</h1>\n',
  69                                         '<h2>#{c}</h2>\n',
  70                                         '<h3>#{c}</h3>\n',
  71                                         '<h4>#{c}</h4>\n',
  72                                         '<h5>#{c}</h5>\n',
  73                                         '<h6>#{c}</h6>\n',
  74
  75                                         '<ul>\n<li>#{c}</li>\n</ul>\n',
  76                                         '<ol>\n<li>#{c}</li>\n</ol>\n',
  77                                         '<li>#{c}</li>\n',
  78                                         '<dl>\n<dt>#{c}</dt>\n<dd></dd>\n</dl>\n',
  79                                         '<dt>#{c}</dt>\n',
  80                                         '<dt>#{c}</dd>\n',
  81
  82                                         '<strong>#{c}</strong>',
  83                                         '<em>#{c}</em>',
  84
  85                                         '<form>\n#{c}\n</form>',
  86                                         '<input type="#{c}" />',
  87
  88                                         '<!--',
  89                                         '-->',
  90                                         '<!-- #{c} -->'
  91                                 ];
  92
  93                                 // 属性
  94                                 var attributes = [
  95                                         'href="#{c}"',
  96                                         'id="#{c}"',
  97                                         'class="#{c}"',
  98                                         'style="#{c}"',
  99
 100                                         'onload="#{c}"',
 101                                         'onclick="#{c}"',
 102                                         'onmouseover="#{c}"',
 103                                         'onmouseout="#{c}"',
 104                                         'ondblclick="#{c}"',
 105                                         'onsubmit="#{c}"',
 106
 107                                         'type="#{c}"',
 108                                         'value="#{c}"',
 109                                         'name="#{c}"',
 110                                         'action="#{c}"',
 111
 112                                         'xml:lang="#{c}"',
 113                                         'lang="#{c}',
 114                                         'xmlns="#{c}"'
 115                                 ];
 116
 117                                 // 属性値
 118                                 var values = [
 119                                         'UTF-8',
 120                                         'EUC-JP',
 121                                         'Shift-JIS',
 122                                         'text',
 123                                         'button',
 124                                         'submit',
 125                                         'reset',
 126                                         'ja',
 127                                         'http://www.w3.org/1999/xhtml'
 128                                 ];
 129
 130                                 return header.concat(body, attributes, values);
 131
 132                         })(),
 133
 134                         js: (function() {
 135
 136                                 var objs = [
 137                                         'function() { #{c} }',
 138                                         'if (#{c}) { }'
 139                                 ];
 140
 141                                 var libs = [
 142                                         'click(#{c});',
 143                                         'html(#{c});'
 144                                 ];
 145
 146                                 return objs.concat(libs);
 147
 148                         })(),
 149
 150                         css: (function() {
 151
 152                                 var props = [
 153                                         'margin: ',
 154                                         'margin-right: ',
 155                                         'margin-left: ',
 156                                         'margin-top: ',
 157                                         'margin-bottom: ',
 158                                         'padding: ',
 159                                         'float: ',
 160                                         'clear: '
 161                                 ];
 162
 163                                 var values = [
 164                                         'auto',
 165                                         'center',
 166                                         'right',
 167                                         'left',
 168                                         'both'
 169                                 ];
 170
 171                                 return props.concat(values);
 172
 173                         })()
 174
 175
 176                 }, // keywords
 177
 178
 179                 /**
 180                  * キーワードを追加
 181                  * keywordsと同じ形式で渡す。
 182                  */
 183                 add: function(newwords) {
 184
 185                         for(var type in newwords) {
 186
 187                                 if (this.keywords[type]) {
 188                                         this.keywords[type].concat(newwords[type]);
 189                                 } else {
 190                                         this.keywords[type] = newwords[type];
 191                                 }
 192
 193                         }
 194
 195                 }, //add
 196
 197                 /**
 198                  * 補完候補を取得
 199                  */
 200                 get: function(t, s) {
 201
 202                         if (!t || !s || !t.value) {
 203                                 return false;
 204                         }
 205
 206                         var matches = {
 207                                 view: [],
 208                                 insert: []
 209                         };
 210
 211                         var words = [];
 212
 213                         // 入力内容で補完
 214                         if (Wrapper.checkIntelli(t)) {
 215
 216                                 var a = t.value.match(/[^<>\s　'"#\=:;{}\(\)!?,*]+/g) || [];
 217
 218                                 // 重複削除
 219                                 var temp = [];
 220                                 for (var i = 0; i < a.length; i++) {
 221
 222                                         var v = a[i];
 223
 224                                         if (!(v in temp)) {
 225                                                 words.push(v);
 226                                                 temp[v] = true;
 227                                         }
 228
 229                                 }
 230
 231                         }
 232
 233                         for(var key in this.keywords) {
 234                                 if (Wrapper.checkType(t, key)) {
 235                                         words = words.concat(this.keywords[key]);
 236                                 }
 237                         }
 238
 239                         for(var i = 0; i < words.length; i++) {
 240
 241                                 if (words[i] != s && words[i].indexOf(s) == 0) {
 242                                         matches.view.push(words[i].replace(/#\{c\}/g, ''));
 243                                         // 既に入力されている部分を除いて挿入
 244                                         matches.insert.push(words[i].slice(s.length));
 245                                 }
 246                         }
 247
 248                         return (matches.view.length != 0) ? matches : false;
 249
 250                 }
 251
 252         };
 253
 254     /* ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- */
 255         /**
 256          * taggetに必要なHTMLを生成・操作する
 257          */
 258         Wrapper = {
 259
 260                 // ツールバーを表示するか
 261                 isToolbar: true,
 262
 263                 // wrap処理
 264                 // textarea周囲にHTMLを追加する
 265                 wrap: function(t) {
 266
 267                         if ($(t).parents().is('.tagget_wrapper')) {
 268                                 this.relate(t);
 269                                 return true;
 270                         }
 271
 272                         // 全体の枠を作ってその参照を取得
 273                         // wrapの戻り値はwrapされた要素なので、parentsでwrapした要素を取得
 274                         var wrapper = $(t).wrap('<div class="tagget_wrapper"><p class="tagget_main"></p></div>')
 275                                 .parents('div.tagget_wrapper');
 276
 277                         // 必要に応じてツールバーを追加
 278                         if (this.isToolbar) {
 279                                 var toolbar =
 280                                         wrapper.prepend(('<div class="tagget_toolbar"></div>')).children('div.tagget_toolbar');
 281
 282                                 // 選択範囲変換
 283                                 toolbar.append(
 284                                         $('<p class="tagget_encode"></p>').append(
 285                                                 $('<select title="選択範囲を変換"></select>')
 286                                                         .append('<option selected="selected" value="">Encode Selection</option>')
 287                                                         .append('<option value="entity">&amp &lt; &gt; → &amp;amp; &amp;lt; &amp;gt;</option>')
 288                                                         .append('<option value="raw">&amp;amp; &amp;lt; &amp;gt; → &amp &lt; &gt;</option>')
 289                                                         .append('<option value="enc">encodeURI()</option>')
 290                                                         .append('<option value="encc">encodeURIComponent()</option>')
 291                                                         .append('<option value="dec">decodeURI()</option>')
 292                                                         .append('<option value="decc">decodeURIComponent()</option>')
 293                                         )
 294                                 );
 295
 296                                 // 置換
 297                                 toolbar.append(
 298                                         $('<p class="tagget_replace"></p>')
 299                                                 .append('<input type="text" value="Before" title="置換前" />')
 300                                                 .append('<img src="img/v_arrow010102.gif" />')
 301                                                 .append('<input type="text" value="After" title="置換後" />')
 302                                                 .append('<input type="button" value="Replace All" title="全て置換" />')
 303                                 );
 304
 305                                 // ファイルタイプ
 306                                 toolbar.append(
 307                                         $('<p class="tagget_type"></p>').append(
 308                                                 $('<select title="選択範囲を変換"></select>')
 309                                                         .append('<option selected="selected" value="html|css|js">HTML,CSS,JS</option>')
 310                                                         .append('<option value="html|css">HTML,CSS</option>')
 311                                                         .append('<option value="html">HTML</option>')
 312                                                         .append('<option value="css">CSS</option>')
 313                                                         .append('<option value="js">JS</option>')
 314                                                         .append('<option value="css|js">CSS,JS</option>')
 315                                                         .append('<option value="html|js">HTML,JS</option>')
 316                                         )
 317                                 );
 318
 319                                 // Cookie
 320                                 toolbar.append(
 321                                         $('<p class="tagget_cookie"></p>')
 322                                                 .append('<input type="checkbox" checked="checked" title="Cookieに下書きを保存" id="tagget_check_cookie" /><label for="tagget_check_cookie" title="Cookieに下書きを保存">Cookie</label>')
 323                                 );
 324
 325                                 // intelligent
 326                                 // 入力内容を使用した補完
 327                                 toolbar.append(
 328                                         $('<p class="tagget_intelli"></p>')
 329                                                 .append('<input type="checkbox" checked="checked" title="入力内容から補完" id="tagget_check_intelli" /><label for="tagget_check_intelli" title="入力内容から補完">intelligent</label>')
 330                                 );
 331
 332                                 // Status
 333                                 // Draft Saved At 1:17とか表示
 334                                 // 行、列を表示（line: , col:）
 335                                 wrapper.append(
 336                                         $('<p class="tagget_status"><span class="tagget_time"></span><span class="tagget_line"></span>&nbsp;</p>')
 337                                 );
 338
 339                                 // jQuery UI CSS Frameworkのclass名を設定
 340                                 toolbar.addClass('ui-helper-clearfix');
 341                                 wrapper.addClass('ui-widget-header ui-corner-all')
 342                                         .children('div, p').addClass('ui-widget-header');
 343
 344                         }
 345
 346                         this.relate(t);
 347
 348                 },
 349
 350
 351                 // wrap要素にeventを設定する。
 352                 // 既にHTMLがあった場合は、こちらだけを行う。
 353                 relate: function(t) {
 354
 355                         var toolbar = $(t).parents('.tagget_wrapper').children('.tagget_toolbar');
 356
 357                         // 選択範囲変換
 358                         // onchangeイベント設定
 359                         toolbar.find('.tagget_encode select').change(function() {
 360
 361                                 switch (this.value) {
 362
 363                                         case 'entity':
 364                                                 Cursor.encodeSelection(t, Util.escapeHtml);
 365                                                 break;
 366
 367                                         case 'raw':
 368                                                 Cursor.encodeSelection(t, Util.unescapeHtml);
 369                                                 break;
 370
 371                                         case 'enc':
 372                                                 Cursor.encodeSelection(t, encodeURI);
 373                                                 break;
 374
 375                                         case 'encc':
 376                                                 Cursor.encodeSelection(t, encodeURIComponent);
 377                                                 break;
 378
 379                                         case 'dec':
 380                                                 Cursor.encodeSelection(t, decodeURI);
 381                                                 break;
 382
 383                                         case 'decc':
 384                                                 Cursor.encodeSelection(t, decodeURIComponent);
 385                                                 break;
 386                                 }
 387
 388                                 this.value = '';
 389
 390                         });
 391
 392
 393                         // 置換ボタンクリックで置換
 394                         // 正規表現使用可
 395                         var inputs = toolbar.find('.tagget_replace input');
 396                         inputs.filter('[type=button]').click(function() {
 397
 398                                 var val = t.value;
 399
 400                                 var before = inputs.eq(0).val();
 401                                 var after = inputs.eq(1).val();
 402                                 var flag = 'g';
 403
 404                                 if (before.match(/^\/.+\/([^\/]+)$/)) {
 405
 406                                         flag = RegExp.$1;
 407                                         before = before.replace(/^\/|\/[^\/]+?$/g, '');
 408                                 }
 409
 410                                 if (before) {
 411                                         t.value = val.replace(new RegExp(before, flag), after);
 412                                 }
 413
 414                         });
 415
 416
 417                 },
 418
 419                 // textareaからID取得
 420                 getId: function(t) {
 421                         return $(t).attr('class').match(/tagget_([0-9]+)/)[1];
 422                 },
 423
 424                 // Popup表示状態
 425                 isPopup: function(t) {
 426                         var popup = this.getPopup(t);
 427                         return popup.css('display') != 'none';
 428                 },
 429
 430                 // Popup表示設定
 431                 setPopup: function(display) {
 432                         var popup = this.getPopup(t);
 433                         if (display) {
 434                                 popup.show();
 435                         } else {
 436                                 popup.hide();
 437                         }
 438                 },
 439
 440                 checkType: function(t, type) {
 441                         var currentType = $(t).parents('.tagget_wrapper')
 442                                 .find('.tagget_type select').val();
 443                         return (new RegExp(currentType)).test(type);
 444                 },
 445
 446                 checkIntelli: function(t) {
 447                         var intelli = $(t).parents('.tagget_wrapper')
 448                                 .find('.tagget_intelli input').attr('checked');
 449                         return intelli;
 450                 },
 451
 452                 // Popup,Dummyを生成
 453                 absolutes: function(t) {
 454
 455                         var body = $(document.body);
 456                         var id = this.getId(t);
 457
 458                         // suggestion用の要素作成
 459                         var popup = $('<ul class="tagget_popup tagget_popup' + id + '"></ul>');
 460                         body.append(popup);
 461
 462                         // Firefox用dummy生成
 463                         // カーソル座標取得に使用
 464                         if (window.getComputedStyle) {
 465
 466                                 var dummy = $('<pre class="tagget_dummy tagget_dummy' + id + '"></pre>');
 467                                 body.append(dummy);
 468
 469                         }
 470
 471                 },
 472
 473                 // Dummyを取得
 474                 getDummy: function(t) {
 475
 476                         var id = this.getId(t);
 477                         var dummy = $('.tagget_dummy' + id);
 478                         return dummy;
 479
 480                 },
 481
 482                 // textareaのstyleをdummyにコピー
 483                 adjust: function(t) {
 484
 485                         var dummy = this.getDummy(t);
 486
 487                         if (window.getComputedStyle) {
 488
 489                                 var org = getComputedStyle(t,'');
 490
 491                                 var props = [
 492                                         'width', 'height',
 493                                         'padding-left', 'padding-right', 'padding-top', 'padding-bottom',
 494                                         'border-left-style', 'border-right-style','border-top-style','border-bottom-style',
 495                                         'border-left-width', 'border-right-width','border-top-width','border-bottom-width',
 496                                         'font-family', 'font-size', 'line-height', 'letter-spacing', 'word-spacing'
 497                                 ];
 498
 499                             for(var i = 0; i < props.length; i++){
 500
 501                                 var capitalized = props[i].replace(/-(.)/g, function(m, m1){
 502                                                 return m1.toUpperCase();
 503                                         });
 504
 505                                 dummy.css(capitalized, org.getPropertyValue(props[i]));
 506
 507                                 }
 508
 509                                 var offset = Util.getOffset(t);
 510
 511                             dummy.css({
 512                                 left: offset.left,
 513                                 top: offset.top
 514                             });
 515
 516                             var $t = $(t);
 517                             dummy.width($t.width())
 518                                 .height($t.height())
 519                                         .scrollLeft($t.scrollLeft())
 520                                 .scrollTop($t.scrollTop());
 521
 522                         }
 523                 },
 524
 525                 // suggestionを表示
 526                 showPopup: function(t) {
 527
 528                         var popup = this.getPopup(t);
 529                         var suggests = Suggester.get(t, Cursor.getText(t)[0]);
 530
 531                         if (suggests) {
 532
 533                                 // 変化があった場合のみ再構成
 534                                 if (popup.text() != suggests.view.join('')) {
 535
 536                                         popup.html('');
 537
 538                                         for(var i = 0; i < suggests.view.length; i++) {
 539                                                 var li = $('<li></li>').attr('title', suggests.insert[i])
 540                                                         .append('<a href="#"></a>').text(suggests.view[i])
 541                                                         .hover(function() {
 542                                                                 popup.children('li').removeClass('tagget_current');
 543                                                                 $(this).addClass('tagget_current');
 544                                                         })
 545                                                         .click(function() {
 546                                                                 Cursor.insert(t, Util.unescapeHtml(popup.children('li.tagget_current').attr('title')));
 547                                                                 popup.hide();
 548                                                         });
 549                                                 if (i == 0) {
 550                                                         li.addClass('tagget_current');
 551                                                 }
 552                                                 popup.append(li);
 553                                         }
 554
 555                                 // 変化がなければ属性のみ変更
 556                                 // TODO:入力分の削除をincertに現在の文字渡してやるようにした方がよさそう。
 557                                 } else {
 558
 559                                         popup.children('li').each(function(i) {
 560                                                 $(this).attr('title', suggests.insert[i]);
 561                                         });
 562                                 }
 563
 564                                 var pos = Cursor.getPos(t);
 565
 566                                 popup.css({
 567                                         left: pos.x,
 568                                         top: pos.y
 569                                 });
 570
 571                                 popup.show();
 572
 573                         } else {
 574
 575                                 popup.hide();
 576
 577                         }
 578                 },
 579
 580                 // popupを取得
 581                 getPopup: function(t) {
 582                         var id = this.getId(t);
 583                         var popup = $('.tagget_popup' + id);
 584                         return popup;
 585                 },
 586
 587
 588                 // suggest選択
 589                 // TODO:もっとちゃんと書く
 590                 choice: function(t, d) {
 591
 592                         var popup = this.getPopup(t);
 593                         var lis = popup.children('li');
 594
 595                         if(d == 1) {
 596
 597                                 for(var i = 0; i < lis.length; i++) {
 598
 599                                         var li = lis.eq(i);
 600
 601                                         if(li.hasClass('tagget_current')) {
 602                                                 li.removeClass('tagget_current');
 603                                                 i = (i == 0) ? lis.length - 1 : i - 1;
 604                                                 lis.eq(i).addClass('tagget_current');
 605                                                 break;
 606                                         }
 607
 608                                 }
 609                         } else {
 610
 611                                 for(var i = 0; i < lis.length; i++) {
 612
 613                                         var li = lis.eq(i);
 614
 615                                         if(li.hasClass('tagget_current')) {
 616                                                 li.removeClass('tagget_current');
 617                                                 i = (i == lis.length - 1 ) ? 0 : i + 1;
 618                                                 lis.eq(i).addClass('tagget_current');
 619                                                 break;
 620                                         }
 621
 622                                 }
 623
 624                         }
 625
 626                 },
 627
 628                 // 選択中のsuggestionを取得
 629                 current: function(t) {
 630
 631                         var popup = this.getPopup(t);
 632                         return popup.children('li.tagget_current').attr('title');
 633                 },
 634
 635                 getStatus: function(t) {
 636                         return $(t).parents('.tagget_wrapper').find('.tagget_status');
 637                 },
 638
 639                 setLine: function(t) {
 640
 641                         var status = this.getStatus(t);
 642
 643                         //カーソル前の全文字列
 644                         var s = Cursor.getText(t, /^[\s\S]*$/)[0] || '';
 645
 646                         //現在の行の行頭までの文字列
 647                         //.は改行にはマッチしないので楽
 648                         var thisLine = Cursor.getText(t, /.*$/)[0];
 649
 650                         var lineNum = (s.match(/\n/g) || []).length + 1;
 651                         var cols = thisLine.length;
 652
 653                         status.children('.tagget_line').html('line: ' + lineNum + ' col: ' + cols);
 654
 655                 }
 656
 657
 658         };
 659
 660     /* ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- */
 661         /**
 662          * textarea内のテキストを操作
 663          */
 664         Cursor = {
 665
 666                 // カーソル位置の文字を取得
 667                 getText: function(t, r, after) {
 668
 669 //                      if (!r) r = /[^<>\s　'"#\.=;]+?$|<[^<>\n=]*?$/;
 670                         if (!r) {
 671                                 r = /[^<>\s　'"#\.=;]+?$|<[^<>\s　'"#\.=;]*?$/;
 672                         }
 673
 674                         var start, end;
 675
 676                         // IE
 677                         if (document.selection) {
 678
 679 //                              t.focus(); // focusなしでもいける
 680
 681                                 // 選択範囲を取得
 682                                 var range = document.selection.createRange();
 683
 684                                 // 選択範囲の複製を作成
 685                                 var clone = range.duplicate();
 686
 687                                 // textarea内のテキスト全体を選択
 688                                 // [clone start] text1 [range start] text2 [range end] text3 [clone end]
 689                                 clone.moveToElementText(t);
 690
 691                                 // cloneの選択範囲終点を、rangeの終点にあわせる
 692                                 // [clone start] text1 [range start] text2 [range/clone end] text3
 693                                 clone.setEndPoint('EndToEnd', range);
 694
 695                                 // 選択範囲始点を求める
 696                                 // [clone start] text1 [range start] text2 [range/clone end] text3
 697                                 // --------------------------------------------------------- clone.text.length == end
 698                                 //                     ------------------------------------- range.text.length
 699                                 // -------------------- clone.text.length - range.text.length = start
 700                                 start = clone.text.length - range.text.length;
 701                                 end = clone.text.length;
 702
 703                         }
 704
 705                         // Firefox
 706                     else if ('selectionStart' in t) {
 707
 708                         start = t.selectionStart;
 709                         end = t.selectionEnd;
 710
 711                     }
 712
 713                         var text;
 714
 715                         if (!after) {
 716                                 text = t.value.slice(0, start).match(r);
 717                         } else {
 718                                 text = t.value.slice(end).match(r);
 719                         }
 720
 721                         return text || [];
 722
 723                 },
 724
 725                 // カーソルの座標を取得
 726                 getPos: function(t) {
 727
 728                         var x, y;
 729
 730                         if (document.selection) {
 731
 732                                 var range = document.selection.createRange();
 733                                 x = range.offsetLeft +
 734                                         (document.body.scrollLeft || document.documentElement.scrollLeft) -
 735                                                 document.documentElement.clientLeft;
 736                                 y = range.offsetTop +
 737                                         (document.body.scrollTop || document.documentElement.scrollTop) -
 738                                                 document.documentElement.clientTop;
 739
 740                         } else if (window.getComputedStyle) {
 741
 742                                 var id = Wrapper.getId(t);
 743                                 var dummy = $('.tagget_dummy' + id);
 744
 745                                 var span = dummy.children('span');
 746
 747                                 if(!span.is('span')) {
 748                                         span = $('<span></span>');
 749                                         span.html('|');
 750                                 }
 751
 752                                 dummy.html('');
 753                                 dummy.text(t.value.slice(0, t.selectionEnd));
 754                                 dummy.append(span);
 755
 756                                 var offset = Util.getOffset(span.get(0));
 757
 758                                 x = offset.left - t.scrollLeft;
 759                                 y = offset.top - t.scrollTop;
 760                     }
 761
 762                         return {
 763                                 x: x,
 764                                 y: y
 765                         };
 766                 },
 767
 768                 // textareaのカーソル位置に文字列挿入
 769                 insert: function(t, s) {
 770
 771                         // カーソル移動位置（#{c}）を取得後、削除
 772                         var cursor = s.indexOf('#{c}');
 773                         s = s.replace('#{c}', '');
 774
 775                         // focusしないとIEでbodyに挿入されたりする
 776                         // Firefoxでもボタンで挿入後にfocusが戻らない
 777                         t.focus();
 778
 779                         // for IE
 780                         if (document.selection) {
 781
 782                                 // 選択範囲を取得
 783                                 var range = document.selection.createRange();
 784
 785                                 // 選択中のテキスト引数sで置き換え（現在のカーソル位置にsを挿入）
 786                                 range.text = s;
 787
 788                                 // カーソルがrange.textの最後になるので戻す
 789                                 // #{c}指定がなければ最後のまま
 790                                 var back = s.length - (cursor != -1 ? cursor : s.length);
 791                                 range.move('character', -back);
 792
 793                                 // 現在のカーソル位置を反映する（これやらないと水の泡）
 794                                 range.select();
 795                         }
 796
 797                         // Firefox
 798                         // inかundefinedあたりで判定しないとselectionStartが0の時ミスる
 799                     else if ('selectionStart' in t) {
 800
 801                                 // スクロールバーの位置を保存
 802                                 var top = t.scrollTop;
 803
 804                                 // 選択範囲の開始・終了位置を取得
 805                         var start = t.selectionStart;
 806                         var end = t.selectionEnd;
 807
 808                                 // 開始位置と終了位置の間（現在のカーソル位置）にsを挿入
 809                         t.value = t.value.slice(0, start) + s + t.value.slice(end);
 810
 811                                 // カーソル移動位置に移動させる
 812                                 var index = start + (cursor != -1 ? cursor : s.length);
 813                         t.setSelectionRange(index, index);
 814
 815                                 // 改行がたくさんある場合スクロールバーを下にずらす
 816                                 if (/\n/g.test(s) && s.match(/\n/g).length > 2) {
 817                                         top += parseInt(getComputedStyle(t, '').getPropertyValue('line-height'), 10);
 818                                 }
 819
 820                                 // スクロールバーを戻す
 821                             t.scrollTop = top;
 822                     }
 823
 824                         return this;
 825
 826                 },
 827
 828                 /**
 829                  * 渡された関数で選択範囲を変換
 830                  */
 831                 // TODO:変換後も選択した状態に
 832                 encodeSelection: function(t, func) {
 833
 834                         t.focus();
 835
 836                         // IE
 837                         if (document.selection) {
 838
 839                                 var range = document.selection.createRange();
 840                                 range.text = func(range.text);
 841                                 range.select();
 842
 843                         } else if ('selectionStart' in t) {
 844
 845                                 var top = t.scrollTop;
 846
 847                         var start = t.selectionStart;
 848                         var end = t.selectionEnd;
 849
 850                                 var before = t.value.slice(start, end);
 851                                 var after = func(before);
 852
 853
 854                                 t.value = t.value.slice(0, start) +
 855                                         after + t.value.slice(end);
 856
 857                         t.setSelectionRange(end, end);
 858
 859                             t.scrollTop = top;
 860                     }
 861
 862                 },
 863
 864                 /**
 865                  * 閉じタグ補完
 866                  */
 867                 // カーソル位置より前にある開始タグをさかのぼって見ていく
 868                 // 閉じタグが何もなければ直近のタグを閉じる
 869                 // 閉じタグとマッチしないタグがあれば閉じる
 870                 // カーソル後に閉じタグがあるとかは無視
 871                 // 整形式じゃないのも無視
 872                  closeTag: function(t) {
 873
 874                                 // カーソルより前の開始タグ一覧
 875                                 // <! <? </ 空要素/>は除く
 876                                 // TODO:できれば一文でやりたい
 877                                 var sTags = Cursor.getText(t, /^[\s\S]*$/)[0]
 878                                         .replace(/<[!\?\/][\s\S]*?>/g, '')      // <!?/を除去
 879                                         .replace(/<[^>]*?\/>/g, '')             // 空要素/>を除去
 880                                         .match(/<[^>]+?>/g);                            // タグ抽出
 881                                 var eTags = Cursor.getText(t, /<\/[^?]+?>/g);
 882
 883                                 if (sTags) {
 884
 885                                         var i = sTags.length - 1;
 886
 887                                         for (; i >= 0 && eTags.length > 0; i--) {
 888
 889                                                         // <までとタグ名以降を除去
 890                                                         // >と\s始まり（属性と閉じ括弧）を除去
 891                                                         // TODO:もうちょっと改善すれば改行された要素にも対応できる？
 892                                                         var sTag = sTags[i].replace(/^.*<|[\s>].*/g, '');
 893
 894                                                         var j = 0;
 895                                                         for (; j < eTags.length; j++) {
 896
 897                                                                 var eTag = eTags[j].replace(/^.*<\/|[\s>].*/g, '');
 898
 899                                                                 // マッチしたらその閉じタグを配列から消して除外
 900                                                                 if (sTag == eTag) {
 901                                                                         break;
 902                                                                 }
 903                                                         }
 904
 905                                                         if (j < eTags.length) {
 906                                                                 eTags.splice(j, 1);
 907
 908                                                         // マッチしなかったらその開始タグを閉じる
 909                                                         } else {
 910                                                                 break;
 911                                                         }
 912
 913                                         }
 914
 915                                         // 現在の開始タグを閉じる
 916                                         // 全てマッチしたら何もしない
 917                                         if (i >= 0) {
 918                                                 Cursor.insert(t, '</' + sTags[i].replace(/^.*<|[\s>].*/g, '') + '>');
 919                                         }
 920
 921                                 }
 922
 923                 }
 924
 925         };
 926
 927
 928     /* ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- */
 929         /*
 930          * contextに依存しない関数群
 931          */
 932         Util = {
 933
 934                 // &, <, >[, "]を変換
 935                 escapeHtml: function(s, quot) {
 936                         s = s.replace(/&/g, '&amp;')
 937                                 .replace(/</g, '&lt;')
 938                                 .replace(/>/g, '&gt;');
 939
 940                         return !quot ? s : s.replace(/"/g, '&quot;');
 941                 },
 942
 943                 // &amp;, &lt;, &gt;[, &quot;]を戻す
 944                 unescapeHtml:function(s, quot) {
 945
 946                         s = s.replace(/&amp;/g, '&')
 947                                 .replace(/&lt;/g, '<')
 948                                 .replace(/&gt;/g, '>');
 949
 950                         return !quot ? s : s.replace(/&quot;/g, '"');
 951                 },
 952
 953                 // offset(要素の実xy座標)を簡易算出
 954                 getOffset: function(elm) {
 955
 956                         var left, top;
 957
 958                         if (elm.getBoundingClientRect) {
 959
 960                                 var rect = elm.getBoundingClientRect();
 961                                 left = Math.round(scrollX + rect.left);
 962                                 top = Math.round(scrollY + rect.top);
 963
 964                         } else {
 965
 966                                 left = elm.offsetLeft;
 967                                 top  = elm.offsetTop;
 968                                 var offsetParent = elm.offsetParent;
 969
 970                                 while (offsetParent) {
 971                                         left += offsetParent.offsetLeft;
 972                                         top  += offsetParent.offsetTop;
 973                                         offsetParent = offsetParent.offsetParent;
 974                                 }
 975
 976                         }
 977
 978                         return {
 979                                 left: left,
 980                                 top: top
 981                         };
 982
 983                 }
 984         };
 985
 986     /* ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- */
 987         /**
 988          * Cookieに下書き保存
 989          */
 990         var Cookie = {
 991
 992                 load: function(key) {
 993
 994                         var cookie = $.cookie(key);
 995                         if (cookie) {
 996                                 return cookie;
 997                         }
 998
 999                 },
1000
1001                 zip: function(s) {
1002
1003                 var data = utf16to8(s);
1004                 data = zip_deflate(data);
1005                 data = base64encode(data);
1006                         return data;
1007
1008                 },
1009
1010                 unzip: function(s) {
1011
1012                     var data = base64decode(s);
1013                     data = zip_inflate(data);
1014                     data = utf8to16(data);
1015                         return data;
1016
1017                 },
1018
1019                 save: function(key, val) {
1020
1021                         var size = val.length;
1022
1023                         if(size <= 4000) {
1024                                 $.cookie(key, val, { 'expires': 1 });
1025                         }
1026
1027                 }
1028
1029
1030         };
1031
1032
1033     /* ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- */
1034         // tagget初期化
1035         var init = function(t, i) {
1036
1037                 // 被らないコードを振る
1038                 while ($('textarea').is('.tagget_' + i)) {
1039                         i = '0' + i;
1040                 }
1041                 $(t).addClass('tagget_' + i);
1042
1043                 Wrapper.wrap(t);
1044                 Wrapper.absolutes(t);
1045
1046 //              setTimeout(function() {
1047 //
1048 //              });
1049
1050                 // イベント設定
1051
1052                 // keyup（発生タイミングが一番少ない）で候補表示
1053                 $(t).keyup(function(e) {
1054
1055                         // 十字キー、Enterの時は補完を表示しない
1056                         if(!(37 <= e.which && e.which <= 40) && !(e.which == 13)) {
1057                                 Wrapper.showPopup(t);
1058                         } else if(e.which == 37 || e.which == 39) {
1059                                 Wrapper.getPopup(t).hide();
1060                         }
1061
1062                         Wrapper.setLine(t);
1063                 })
1064
1065                 // 入力キーに応じた処理
1066                 .keydown(function(e) {
1067
1068                         // タブキャンセル
1069                         // keydown以外だとうまくいかない
1070                         if (e.which == 9) {
1071                                 Cursor.insert(t, '\t');
1072                                 return false;
1073                         }
1074
1075                         // Shift+Enterで改行 or <br />入力
1076                         // 補完却下も可能
1077                         if (e.shiftKey && e.which == 13) {
1078
1079                                 var n = '\n';
1080                                 if (!Wrapper.isPopup(t) && Wrapper.checkType(t, 'html')) {
1081                                         n = '<br />';
1082                                 }
1083                                 Cursor.insert(t, n);
1084
1085                                 return false;
1086                         }
1087
1088                         // Ctrl+Enterで閉じタグ補完
1089                         if (e.ctrlKey && e.which == 13) {
1090
1091                                 Cursor.closeTag(t);
1092
1093                                 return false;
1094                         }
1095
1096                         // 十字キーで候補選択
1097                         // upだとおしっぱにできない、pressだとおかしくなる
1098                         if (Wrapper.isPopup(t)) {
1099
1100
1101                                 switch (e.which) {
1102
1103                                         // right
1104 //                                      case 37:
1105
1106                                         // up
1107                                         case 38:
1108
1109                                                 Wrapper.choice(t, 1);
1110                                                 return false;
1111
1112                                         // left
1113 //                                      case 39:
1114
1115                                         // down
1116                                         case 40:
1117
1118                                                 Wrapper.choice(t, -1);
1119                                                 return false;
1120
1121                                         // Enterで補完
1122                                         case 13:
1123                                                 Cursor.insert(t, Util.unescapeHtml(Wrapper.current(t)));
1124                                                 Wrapper.getPopup(t).hide();
1125
1126                                                 return false;
1127                                 }
1128
1129                         } else {
1130
1131                                 // インデントを合わせる
1132                                 if (e.which == 13) {
1133
1134                                         var indent = Cursor.getText(t, /^[\t ]*/mg);
1135                                         Cursor.insert(t, '\n' + (indent ? indent[indent.length - 1] : ''));
1136
1137                                         var $t = $(t);
1138                                         if (window.getComputedStyle) {
1139                                                 $t.scrollTop($t.scrollTop() + parseInt(getComputedStyle(t, '').getPropertyValue('line-height'), 10));
1140                                         }
1141
1142                                         return false;
1143
1144                                 }
1145
1146                         }
1147
1148                 });
1149
1150                 // 最初に1回だけ呼び出し。
1151                 var data = Cookie.load(Wrapper.getId(t));
1152                 if (data) {
1153                         t.value = Cookie.unzip(data);
1154                 }
1155                 Wrapper.setLine(t);
1156
1157         }; // init
1158
1159
1160     /* ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- */
1161         /**
1162          * jqueryにプラグイン追加
1163          * $('textarea.tagget').tagget()とかで呼び出し
1164          */
1165         $.fn.tagget = function(conf) {
1166
1167
1168                 // 設定オブジェクト
1169                 conf = $.extend({
1170                         toolbar: true, // ツールバー表示
1171                         cookie: true  // クッキーに保存
1172                 }, conf);
1173
1174                 // thisには$('textarea.tagget')が入ってくる
1175                 this.each(function(i) {
1176
1177                                 // textareaを初期化
1178                                 init(this, i);
1179
1180                 });
1181
1182                 // window全体のイベント設定
1183
1184                 var self = this;
1185                 // リサイズ時にDummyを調整
1186                 $(window).resize(function() {
1187
1188                         self.each(function() {
1189                                 Wrapper.adjust(this);
1190                         });
1191
1192                 }).resize();
1193
1194                 // Cookie保存設定
1195                 var interval = 60000; // 60秒:1分
1196                 setTimeout(function timer() {
1197
1198                         self.each(function() {
1199
1200                                 Cookie.save(Wrapper.getId(this), Cookie.zip(this.value));
1201
1202                                 var fillZero = function(s) {
1203                                     return ('0' + s).slice(-2);
1204                                 };
1205                                 var status = Wrapper.getStatus(this);
1206                                 var date = new Date();
1207                                 var y = date.getFullYear();
1208                                 var m = fillZero(date.getMonth() + 1);
1209                                 var d = fillZero(date.getDate());
1210                                 var h = fillZero(date.getHours());
1211                                 var min = fillZero(date.getMinutes());
1212                                 var sec = fillZero(date.getSeconds());
1213                                 status.children('.tagget_time')
1214                                         .html('Draft Saved At ' +
1215                                                 y + '/' + m + '/' + d + '/' + ' ' + h + ':' + min + ':' + sec);
1216
1217                                 setTimeout(timer, interval);
1218                         });
1219                 }, interval);
1220
1221
1222                 // This is jQuery!!
1223                 return this;
1224
1225         }; // $.fn.tagget
1226
1227
1228 })(jQuery);