User:Conlanger/editor.js

/* */

/*

Name:   diff.js Version: 0.5.0 (June 18, 2006) Info:   http://en.wikipedia.org/wiki/User:Cacycle/editor Code:   http://en.wikipedia.org/wiki/User:Cacycle/editor.js

Comfortable JavaScript editor extension for Wikipedia edit pages by User:Cacycle See User:Cacycle/Editor for a description and User:Cacycle/Editor.js for this code. Features include: See User:Cacycle/Editor for an installation guide. The program works only for the mozilla browsers Mozilla, Mozilla Firefox, and Mozilla SeaMonkey. The code is currently under active development and might change rapidly. This code has been released into the public domain.
 * Regular expression search and replace
 * Server-independent Show preview and Show changes
 * One-click fixing of common mistakes
 * Convert html tables and other markup to wikicode
 * Undo/redo
 * Input boxes with history
 * Fullscreen view
 * Find ahead as you type
 * Horizontal cursor memory



// // configuration variables //

// levels of undo (each level holds the whole text) var undoBufferMax = undoBufferMax || 20;

// style for preview box var stylePreviewBox = stylePreviewBox || 'background-color: #f9f9f9;';

// style for custom edit buttons var styleButtons = styleButtons || 'font-size: smaller; padding-left: 0.1em; padding-right: 0.1em; margin-left: 0.1em; margin-right: 0.1em; height: 1.6em; vertical-align: bottom;';

// history length for summary, find and replace fields var findHistoryLength = findHistoryLength || 10;

// presets for input field dropdown options var presetOptions = presetOptions || []; presetOptions['summary'] = presetOptions['summary'] || [ 'Copyedit', 'Linkfix', 'Reverting vandalism', 'Formatting source text' ];

// expiration time span for history cookies in seconds var cookieExpireSec = cookieExpireSec || (365 * 24 * 60 * 60);

// enable cursor horizontal position memory var cursorMemory = cursorMemory || true;

// show at least this number of lines ahead of cursor movement var scrollMargin = scrollMargin || 1;

// show at least this number of lines ahead of cursor movement for var findMargin = findMargin || 2;

// find ahead checkbox selected by default var findAheadSelected = findAheadSelected || true;

// global variables

// history var fieldHist = []; var cookieName = []; var inputElement = []; var selectElement = [];

var checkMarker = []; checkMarker[true] = '\u2022'; checkMarker[false] = '\u22c5';

// undo var undoBuffer = new Array(undoBufferMax); var undoBufferSelStart = new Array(undoBufferMax); var undoBufferSelEnd = new Array(undoBufferMax); var undoBufferFirst = 0; var undoBufferLast = 0; var undoBufferCurr = 0;

// fullscreen var normalTextareaWidth; var normalTextareaHeight; var normalTextareaMargin; var normalTextareaRows; var normalPageXOffset; var normalPageYOffset; var normalTreePos = {}; var fullScreenMode = false; var fullButtonValue = 'Full screen'; var fullButtonTitle = 'Full screen editing mode'; var normalButtonValue = 'Normal view'; var normalButtonTitle = 'Back no normal page view'; var normalFloatButtonValue = 'Back';

// textarea text info object var textRows = new Object; textRows.lineStart = []; textRows.lineLength = []; textRows.rowStart = []; textRows.rowLength = [];

var textareaElement = {}; var lastChangePos;

// counter var i; var j;

// load the editor after page loading if (window.addOnloadHook != null) { addOnloadHook(SetupEditor); }

// // find and replace functions //

function Edit(what) {

// add focus to textbox textareaElement.focus;

// get the scroll position var scrollTopPx = textareaElement.scrollTop; var scrollHeightPx = textareaElement.scrollHeight;

// convert strange spaces, remove non-\n linebreak characters convertStrangeSpaces;

var textNew; var textLength = textareaElement.value.length;

// get the find text var find = document.getElementById('findText'); var findText = find.value;

// get the replace text var replace = document.getElementById('replaceText'); var replaceText = replace.value;

// get checkboxes var caseSensitive = document.getElementById('caseSensitive'); var regExp = document.getElementById('regExp');

// changed flags var textChanged = false; var posChanged = false;

// get the text selection info var startPos = textareaElement.selectionStart; var endPos = textareaElement.selectionEnd; var selected = textareaElement.value.substring(startPos, endPos); var startPosNew; var endPosNew;

// manipulate selected text if (selected != '') {

// lowercase selection if ('lowercase'.indexOf(what) >= 0) { var selectedNew = selected.toLowerCase; textNew = textareaElement.value.substring(0, startPos) + selectedNew + textareaElement.value.substring(endPos); startPosNew = startPos; endPosNew = endPos; textChanged = true; }

// bold selection if ('bold'.indexOf(what) >= 0) { var selectedNew; if ( /^\'\'\'.*\'\'\'$/.test(selected) ) { selectedNew = selected.replace(/^\'\'\'(.*)\'\'\'$/, '$1'); startPosNew = startPos; endPosNew = endPos - 6 ; } else { selectedNew = "" + selected + ""; startPosNew = startPos; endPosNew = endPos + 6; } textNew = textareaElement.value.substring(0, startPos) + selectedNew + textareaElement.value.substring(endPos); textChanged = true; }

// italic selection if ('italic'.indexOf(what) >= 0) { var selectedNew; if ( /^\'\'.*\'\'$/.test(selected) ) { selectedNew = selected.replace(/^\'\'(.*)\'\'$/, '$1'); startPosNew = startPos; endPosNew = endPos - 4 ; } else { selectedNew = "" + selected + ""; startPosNew = startPos; endPosNew = endPos + 4; } textNew = textareaElement.value.substring(0, startPos) + selectedNew + textareaElement.value.substring(endPos); textChanged = true; } }

// increase heading level if ('headingmore'.indexOf(what) >= 0) { var selectedNew = '';

// nothing selected, get current line if (selected == '') { var lineStart = textareaElement.value.lastIndexOf('\n', startPos - 1) + 1; var lineEnd = textareaElement.value.indexOf('\n', startPos); if (lineEnd < 0) { lineEnd = textLength; } selectedNew = textareaElement.value.substring(lineStart, lineEnd);

// increase heading level if ( /^\=\=.*\=\= *$/.test(selectedNew) ) { selectedNew = selectedNew.replace(/^(\=\=+) *(.*?) *(\=\=+) *$/, '=$1 $2 $3='); }

// make the line a heading else { selectedNew = selectedNew.replace(/(^ +| +$)/g, ''); if (selectedNew.length < 80) { selectedNew = '== ' + selectedNew + ' =='; } else { lineStart = startPos; lineEnd = endPos; selectedNew = selected; } } startPosNew = lineStart; endPosNew = lineStart; textNew = textareaElement.value.substring(0, lineStart) + selectedNew + textareaElement.value.substring(lineEnd); }

// increase all headings in selected text else { var lines = selected.split('\n');

// cycle trough the lines for (i = 0; i < lines.length; i++) { var line = lines[i];

// increase heading level in selected text if ( /^==.*== *$/.test(line) ) { line = line.replace(/^(==+) *(.*?) *(==+) *$/, '$1= $2 =$3'); } selectedNew += line; if (i < lines.length - 1) { selectedNew += '\n'; } } startPosNew = startPos; endPosNew = startPos + selectedNew.length; textNew = textareaElement.value.substring(0, startPos) + selectedNew + textareaElement.value.substring(endPos); } textChanged = true; }

// decrease heading level if ('headingless'.indexOf(what) >= 0) { var selectedNew = '';

// nothing selected, get current line if (selected == '') { var lineStart = textareaElement.value.lastIndexOf('\n', startPos - 1) + 1; var lineEnd = textareaElement.value.indexOf('\n', startPos); if (lineEnd < 0) { lineEnd = textLength; } selectedNew = textareaElement.value.substring(lineStart, lineEnd);

// decrease heading level if ( /^===.*=== *$/.test(selectedNew) ) { selectedNew = selectedNew.replace(/^=(==.*==)= *$/, '$1'); } else if ( /^==.*==$/.test(selectedNew) ) { selectedNew = selectedNew.replace(/^== *(.*) *== *$/, '$1'); } startPosNew = lineStart; endPosNew = lineStart; textNew = textareaElement.value.substring(0, lineStart) + selectedNew + textareaElement.value.substring(lineEnd); }

// increase all headings in selected text else { var lines = selected.split('\n');

// cycle trough the lines for (i = 0; i < lines.length; i++) { var line = lines[i];

// decrease heading level in selected text if ( /^===.*=== *$/.test(line) ) { line = line.replace(/^=(==.*==)= *$/, '$1'); } selectedNew += line; if (i < lines.length - 1) { selectedNew += '\n'; } } startPosNew = startPos; endPosNew = startPos + selectedNew.length; textNew = textareaElement.value.substring(0, startPos) + selectedNew + textareaElement.value.substring(endPos); } textChanged = true; }

// replacements and text fixes if ('spaces pipes html punct caps dashes units math'.indexOf(what) >= 0) {

var startPosFix; var endPosFix; var selectedFix;

// apply to whole text if nothing is selected if (startPos == endPos) { startPosFix = 0; endPosFix = textLength; selectedFix = textareaElement.value; } else { startPosFix = startPos; endPosFix = endPos; selectedFix = selected; }

// apply fixes to selected text if     ('spaces'.indexOf(what) >= 0) { selectedFix = FixSpaces(selectedFix); } else if ('pipes'.indexOf (what) >= 0) { selectedFix = FixPipes (selectedFix); } else if ('html'.indexOf (what) >= 0) { selectedFix = FixHTML  (selectedFix); } else if ('punct'.indexOf (what) >= 0) { selectedFix = FixPunct (selectedFix); } else if ('caps'.indexOf (what) >= 0) { selectedFix = FixCaps  (selectedFix); } else if ('dashes'.indexOf(what) >= 0) { selectedFix = FixDashes(selectedFix); } else if ('units'.indexOf (what) >= 0) { selectedFix = FixUnits (selectedFix); } else if ('math'.indexOf (what) >= 0) { selectedFix = FixMath  (selectedFix); }

// remove newlines and spaces selectedFix = selectedFix.replace(/\n{3,}/g, '\n\n'); selectedFix = selectedFix.replace(/^\n+/, ''); selectedFix = selectedFix.replace(/\n{2,}$/, '\n');

// set selection if (startPos == endPos) { startPosNew = startPos; endPosNew = startPos; } else { startPosNew = startPos; endPosNew = startPos + selectedFix.length; }

// insert selected into unchanged text textNew = textareaElement.value.substring(0, startPosFix) + selectedFix + textareaElement.value.substring(endPosFix); textChanged = true; posChanged = true; }

// prepare find regexp for find and replace var regExpFlags = ''; if ('findprev findnext replaceprev replacenext replaceall'.indexOf(what) >= 0) {

// format the find text as regexp or plain text if (regExp.checked) {

// replace \n with newline character, other characters have already been converted replaceText = replaceText.replace(/((^|[^\\])(\\\\)*)\\n/g, '$1\n'); } else { findText = findText.replace(/([\\^\$\*\+\?\.\(\)\[\]\{\}\:\=\!\|\,\-])/g, '\\$1'); }

// set regexp flag i if ( ! caseSensitive.checked ) { regExpFlags = 'i'; } }

// find / replace if ('findnext replacenext findprev replaceprev'.indexOf(what) >= 0) { if (find.value != '') {

// create regexp var regExpFind = new RegExp(findText, regExpFlags + 'g');

// set start position for search to right var indexStart; var result; if ('findnext replacenext'.indexOf(what) >= 0) { indexStart = startPos; if ( (selected.length > 0) && ('findnext'.indexOf(what) >= 0) ) { indexStart = startPos + 1; }

// execute the regexp search to the right regExpFind.lastIndex = indexStart; result = regExpFind.exec(textareaElement.value); }

// prepare search to the left else {

// set start position for search to left indexStart = startPos - 1; if ( (selected.length > 0) && ('replaceprev'.indexOf(what) >= 0) ) { indexStart = startPos; }

// cycle through the matches to the left var resultNext; do { result = resultNext; resultNext = regExpFind.exec(textareaElement.value); if (resultNext == null) { break; } } while (resultNext.index <= indexStart); }

// get the matched string var matched; var matchedStart; var matchedLength; if (result != null) { matched = result[0]; matchedStart = result.index; matchedLength = matched.length;

// replace only if the next match was already selected if ('replacenext replaceprev'.indexOf(what) >= 0) { if (selected == matched) { var replace = selected.replace(regExpFind, replaceText); textNew = textareaElement.value.substr(0, matchedStart) + replace + textareaElement.value.substr(matchedStart + matched.length); matchedLength = replace.length; textChanged = true; } }

// select the found match in the textarea startPosNew = matchedStart; endPosNew = matchedStart + matchedLength; } else { if ('findprev replaceprev'.indexOf(what) >= 0) { indexStart = startPos; } startPosNew = indexStart; endPosNew = indexStart; } posChanged = true; } }

// replace all if ('replaceall'.indexOf(what) >= 0) { if (findText != '') {

// create regexp var regExpFind = new RegExp(findText, regExpFlags + 'g');

// replace all in whole text if (selected == '') {

// get the new cursorposition textNew = textareaElement.value.replace(regExpFind, replaceText); var textbefore = textNew.substr(0, startPos); textbefore = textbefore.replace(regExpFind, replaceText); startPosNew = textbefore.length; endPosNew = startPosNew; posChanged = true; }

// replace all in selection else { var replace = selected.replace(regExpFind, replaceText); startPosNew = startPos; endPosNew = startPos + replace.length; textNew = textareaElement.value.substr(0, startPos) + replace + textareaElement.value.substr(endPos); } textChanged = true; } }

// save search history to cookie if ('findnext findprev'.indexOf(what) >= 0) { AddToHistory('find'); } if ('replacenext replaceprev replaceall'.indexOf(what) >= 0) { AddToHistory('find'); AddToHistory('replace'); }

// get the find field from the selection or the current word if ('findnext findprev replacenext replaceprev getfind'.indexOf(what) >= 0) { if ( ('getfind'.indexOf(what) >= 0) || (find.value == '') ) {

// get from the selection var newFind = ''; if (selected != '') { newFind = selected; startPosNew = startPos; endPosNew = endPos; }

// get from the current word else {

// get until next nonword char to the right endPosNew = endPos; var pos = startPos; while (pos < textLength) { var character = textareaElement.value.substr(pos ++, 1); if ( character.match(/\W/) ) { endPosNew = pos - 1; break; } newFind += character; }

// get until next nonword char to the left startPosNew = startPos; pos = startPos - 1; while (pos >= 0) { var character = textareaElement.value.substr(pos --, 1); if ( character.match(/\W/) ) { startPosNew = pos + 2; break; }    newFind = character + newFind; } }

// replace newlines in find field if (regExp.checked) { find.value = newFind.replace(/\n/g, '\\n'); } else { find.value = newFind.replace(/\n.*/, ''); } } }

// undo all if ('undoall'.indexOf(what) >= 0) { startPosNew = startPos; endPosNew = startPos; textNew = editformOrig; textChanged = true; }

// jump to top / bottom if ('updown'.indexOf(what) >= 0) { if (scrollTopPx > scrollHeightPx / 2) { startPosNew = 0; endPosNew = 0 } else { startPosNew = textLength; endPosNew = textLength; } posChanged = true; }

// jump to the last changed position, event handler for button if ('lastchangepos'.indexOf(what) >= 0) { startPosNew = lastChangePos; endPosNew = lastChangePos; posChanged = true; }

// changed textarea, save undo info if (textChanged) { textareaElement.value = textNew; SaveUndo(textareaElement.value, startPos, endPos); SaveUndo(textNew, startPosNew, endPosNew); textRows.changed = true; posChanged = true; }

// set the selection range textareaElement.setSelectionRange(startPosNew, endPosNew);

// scroll the textarea to the selected text or cursor position if (posChanged || textChanged) { ParseRows; } if (posChanged) { ScrollTextarea(textRows.selStartRow, textRows.selEndRow, 0, findMargin, scrollTopPx); } else { textareaElement.scrollTop = scrollTopPx; } return; }

// // scroll the textarea if the selected text is outside the viewport //

function ScrollTextarea(rowStart, rowEnd, lines, margin, scrollTopPx) {

// get top row var scrollHeightPx = textareaElement.scrollHeight; var scrollTopRow = scrollTopPx / scrollHeightPx * textRows.rowTotal;

// cusor direction: up if (lines <= 0) { if (scrollTopRow > (rowStart + lines) - margin) { scrollTopRow = (rowStart + lines) - margin; if (scrollTopRow < 0) { scrollTopRow = 0; } } }

// cusor direction: down if (lines >= 0) { if (scrollTopRow < (rowEnd + 1 + lines) + margin - textRows.rows) { scrollTopRow = (rowEnd + 1 + lines) + margin - textRows.rows; if (scrollTopRow > textRows.rowTotal + 1 - textRows.rows) { scrollTopRow = textRows.rowTotal + 1 - textRows.rows; } } }

// set scroll position textareaElement.scrollTop = scrollTopRow / textRows.rowTotal * scrollHeightPx;

return; }

// // ParseRows: get row structure of textarea //

function ParseRows {

textRows.selStart = textareaElement.selectionStart; textRows.selEnd = textareaElement.selectionEnd;

// if the text has not changed we don't need to parse lines and rows if (textRows.changed != true) { if (textRows.textarea == null) { textRows.changed = true; } else if (textRows.textarea.length != textareaElement.value.length) { textRows.changed = true; } else if (textRows.textarea != textareaElement.value) { textRows.changed = true; } } if (textRows.changed) { textRows.changed = false textRows.textarea = textareaElement.value; textRows.cols = textareaElement.cols; textRows.rows = textareaElement.rows;

// parse lines textRows.lineStart = []; textRows.lineLength = []; var pos; var posNext = 0; var line = 0; do { pos = posNext; textRows.lineStart[line] = pos; posNext = textRows.textarea.indexOf('\n', pos) + 1; textRows.lineLength[line] = posNext - pos - 1; line ++; } while (posNext > 0); textRows.lineLength[line - 1] = textRows.textarea.length - pos; textRows.lineTotal = line;

// parse rows textRows.rowStart = []; textRows.rowLength = []; var lineTotal = textRows.lineTotal; var row = 0; for (line = 0; line < lineTotal; line ++) { var rowStart; var rowStartNext = textRows.lineStart[line]; var lineEnd = rowStartNext + textRows.lineLength[line];

// cycle row by row to the end of the line do { rowStart = rowStartNext; pos = 0; posNext = rowStart; if (rowStart + textRows.cols >= lineEnd) { rowStartNext = lineEnd; }

// find last space before or first after right border else { do { pos = posNext; posNext = textRows.textarea.indexOf(' ', pos + 1); } while ( (posNext >= 0) && (posNext <= rowStart + textRows.cols) && (posNext < lineEnd) ); if (pos > rowStart) { rowStartNext = pos + 1; } else if ( (posNext >= 0) && (posNext < lineEnd) ) { rowStartNext = posNext + 1; } else { rowStartNext = lineEnd; } }

// jump over trailing spaces while (textRows.textarea.charAt(rowStartNext) == ' ') { rowStartNext ++; }

// set row start and length textRows.rowStart[row] = rowStart; textRows.rowLength[row] = rowStartNext - rowStart; row ++; } while (rowStartNext < lineEnd); }  textRows.rowTotal = row; }

// get text selection rows by stepwise approximation var rowTotal = textRows.rowTotal; var selStart = textRows.selStart; var selEnd = textRows.selEnd;

// find the largest 2^n < rows var add = 1; while (add < rowTotal) { add = add * 2; } add = add / 2;

// approximate with decreasing add var selStartRow = add; var selEndRow = add; while (add >= 1) {

// approximate selection start if (selStartRow >= rowTotal) { selStartRow -= add; } else if (textRows.rowStart[selStartRow] > selStart) { selStartRow -= add; } else { selStartRow += add; }

// approximate selection end if (selEndRow >= rowTotal) { selEndRow -= add; } else if (textRows.rowStart[selEndRow] > selEnd) { selEndRow -= add; } else { selEndRow += add; }  add = add / 2; } if (textRows.rowStart[selStartRow] > selStart) { selStartRow --; } if (textRows.rowStart[selEndRow] > selEnd) { selEndRow --; } textRows.selStartRow = selStartRow; textRows.selEndRow = selEndRow;

return; }

// // fix characters, spaces, empty lines, certain headings //

function FixSpaces(text) {

// remove trailing spaces from lines text = text.replace(/ +\n/g, '\n');

// empty line before and after headings, spaces around word (lookahead) text = text.replace(/(\n={2,}) *([^\n]*?) *(={2,})(?=\n)/g, '\n$1 $2 $3\n\n');

// uppercase important headings text = text.replace(/\n== external links? ==\n/ig, '\n== External links ==\n'); text = text.replace(/\n== see also ==\n/ig, '\n== See also ==\n'); text = text.replace(/\n== references? ==\n/ig, '\n== References ==\n');

// add space after * # : ; (list) and after {| |- | (table) text = text.replace(/(^|\n)([\*\#\:\;]+|\{\||\|\-|\|\}|\|) */g, '$1$2 '); text = text.replace(/ +\n/g, '\n');

// empty line before and after tables text = text.replace(/\n+(\{\|)/g, '\n\n$1'); text = text.replace(/(\n\|\}) *([^\n]*)[\n|$]+/g, '$1\n\n$2\n\n');

// empty line before and after lists text = text.replace(/(^|\n)([^\*\#\:\;].*?)\n+([\*\#\:\;])/g, '$1$2\n\n$3'); text = text.replace(/(^|\n)([\*\#\:\;].*?)\n+([^\*\#\:\;])/g, '$1$2\n\n$3');

// split into lines and change single lines, used to handle tables var lines = text.split('\n'); text = ''; var tableflag = false; for (var i = 0; i < lines.length; i++) { var line = lines[i];

// do not change lines starting with a blank if ( ! line.match(/^ /) ) {

// detect table if ( line.match(/^(\{\||\!|\|[^}])/) ) { tableflag = true; } else if ( line.match(/^\|\}/) ) { tableflag = false; }

// changes only to be done in tables if (tableflag) {

// add spaces around || line = line.replace(/ *\|\| */g, ' || '); }

// changes not to be done in tables if ( ! tableflag) {

// empty line before and after images line = line.replace(/^(\)/ig, '\n$1'); line = line.replace(/(\)$/ig, '$1\n');

// empty line before and after includes line = line.replace(/^(\{\{.*?\}\})/g, '\n$1'); line = line.replace(/(\{\{.*?\}\})$/g, '$1\n');

// to be done: convert single newlines into spaces //     line = line.replace(/(\n[^\n \*\#\:\;\|\{].*?)\n([^\n \*\#\:\;\|\{])/g, '$1 $2'); } }

// concatenate the lines text += line; if (i < lines.length - 1) { text += '\n'; } }

// remove spaces in wikilinks text = text.replace(/\[\[ *([^\n]*?) *\]\]/g, '$1');

// remove spaces in external links text = text.replace(/\[ *([^\n]*?) *\]/g, '[$1]');

// no space around pipes before brackets text = text.replace(/ +\| +\]\]/g, '|]]');

// no space around pipes before curly brackets text = text.replace(/ +\| +\}\}/g, '|}}');

// no empty line between headings and includes text = text.replace(/\n(==+ [^\n]*? ==+\n)\n+(\{\{.*?\}\})/g, '$1$2');

// spaces in comments text = text.replace(//g, '$1 $2 $3');

// empty lines around html comments, spaces in comments text = text.replace(/\n+\n+/g, '\n$1\n\n'); text = text.replace(/^\n+/g, '$1\n'); text = text.replace(/\n+$/g, '\n$1');

// empty line before and after categories text = text.replace(/(\[\[category:[^\n]*?\]\]) */gi, '\n\n$1\n\n');

// categories not separated by empty lines (lookahead) text = text.replace(/(\[\[category:[^\n]*?\]\])\n*(?=\[\[category:[^\n]*?\]\])/gi, '$1\n');

return(text); }

// // fix space around vertical bars //

function FixPipes(text) {

// fix basic text = FixSpaces(text);

// space around pipes in wikilinks but not in images text = text.replace(/(\)/ig, '$1 | $2');

// space around pipes in templates text = text.replace(/(\{\{)([^\n]+?)(\}\})/g, function (p, p1, p2, p3) { p2 = p2.replace(/ *(\|) */g, ' | '); return(p1 + p2 + p3); } );

return(text); }

// // fix html to wikicode //

function FixHTML(text) {

// fix basic text = FixSpaces(text);

// convert italic text = text.replace(/|<\/i(\s.*?)?>/gi, '\'\'');

// convert bold text = text.replace(/|<\/b(\s.*?)?>/gi, '\'\'\'');

// convert tables text = text.replace(/\s*<\/td(\s.*?)?>\s*/gi, ''); text = text.replace(/\s*<\/th(\s.*?)?>\s*/gi, ''); text = text.replace(/\s*<\/tr(\s.*?)?>\s*/gi, '');

text = text.replace(/\s*\s*/gi, '\n| '); text = text.replace(/\s*\s*/gi, function (p, p1) { return('\n| ' + p1.replace(/\s+/g, ' ') + ' | '); } ); text = text.replace(/\s*\s*/gi, '\n! '); text = text.replace(/\s*\s*/gi, function (p, p1) { return('\n! ' + p1.replace(/\s+/g, ' ') + ' | '); } );

text = text.replace(/\s*\s*/g, '\n|-\n'); text = text.replace(/\s*\s*/gi, function (p, p1) { return('\n|- ' + p1.replace(/\s+/g, ' ') + '\n'); } );

text = text.replace(/\s*\s*(\|-\n)?/gi, '\n{|\n'); text = text.replace(/\s*\s*(\|-\n)?/gi, function (p, p1) { return('\n{| ' + p1.replace(/\s+/g, ' ') + '\n'); } ); text = text.replace(/\s*<\/table\s+(.*?)?>\s*/gi, '\n|}\n');

// convert links text = text.replace(/\s*(.*?)\s*<\/a>/gi, function (p, p1, p2, p3, p4, p5, p6) { if (p6 == '') { return('[' + p3 + ']'); } return('[' + p3 + ' ' + p6.replace(/\s+/g, ' ') + ']'); } ); text = text.replace(/\s*(.*?)\s*<\/a>/gi, function (p, p1, p2, p3, p4) { if (p4 == '') { return('[' + p2 + ']'); } return('[' + p2 + ' ' + p4.replace(/\s+/g, ' ') + ']'); } );

// convert images text = text.replace(//gi, function (p, p1, p2, p3, p4, p5) { return(''); } ); text = text.replace(//gi, function (p, p1, p2, p3) { return(''); } );

// to do: lists, h1 - hx

return(text); }

// // fix space before punctuation marks //

function FixPunct(text) {

// fix basic text = FixSpaces(text);

// remove space before .,: (could be a definition) text = text.replace(/([a-zA-Z\'\"\”\]\}\)]) +([\.\,\:])/g, '$1$2');

return(text); }

// // fix capitalizing of lists, linklists, images, headings //

function FixCaps(text) {

// fix basic text = FixSpaces(text);

// uppercase lists text = text.replace(/^([\*\#\:\;]+ (\&\w+\;|\{\{.*$|[\W\d])*)([^\W\d].*)$/gm, function (p, p1, p2, p3) { if ( ! p3.match(/^(http|ftp|alpha|beta|gamma|delta|epsilon|kappa|lambda)/) ) { p3 = p3.substr(0, 1).toUpperCase + p3.substr(1); } return(p1 + p3); } );

// uppercase link lists (link) text = text.replace(/^([\*\#\:\;]+ \[\[)([^\n]*?)(\]\])/gm, function (p, p1, p2, p3) {

// uppercase link p2 = p2.replace(/^((\&\w+\;|[\W\d])*)([^\W\d].*)$/, function (p, p1, p2, p3) { if ( ! p3.match(/^(http|ftp|alpha|beta|gamma|delta|epsilon|kappa|lambda)/) ) { p3 = p3.substr(0, 1).toUpperCase + p3.substr(1); } return(p1 + p3); } );

// uppercase comment p2 = p2.replace(/(\| *(\&\w+\;|[\W\d])*)([^\W\d].*)$/, function (p, p1, p2, p3) { if ( ! p3.match(/^(http|ftp|alpha|beta|gamma|delta|epsilon|kappa|lambda)/) ) { p3 = p3.substr(0, 1).toUpperCase + p3.substr(1); } return(p1 + p3); } ); return(p1 + p2 + p3); } );

// uppercase headings text = text.replace(/^(==+ (\&\w+\;|[\W\d])*)([^\W\d].* ==+)$/gm, function (p, p1, p2, p3) { if ( ! p3.match(/^(http|ftp|alpha|beta|gamma|delta|epsilon|kappa|lambda)/) ) { p3 = p3.substr(0, 1).toUpperCase + p3.substr(1); } return(p1 + p3); } );

// uppercase images text = text.replace(/(\)/igm, function (p, p1, p2, p3) { return(p1 + 'Image:' + p2.toUpperCase + p3); } );

return(text); }

// // dash fixer - adds a tab that fixes several obvious en/em dash, minus sign, and such special characters. // originally from User:Omegatron //

function FixDashes(text) {

// fix basic text = FixSpaces(text);

// convert html entities into actual dash characters text = text.replace(/&mdash;/g, '—'); text = text.replace(/–/g, '–'); text = text.replace(/&minus;/g, '\u2212');

// convert -- and em dashes with or without spaces to em dash surrounded by spaces text = text.replace(/([a-zA-Z\'\"”\]\}\)]) *(--|—|&mdash;) *([a-zA-Z\'\"“\[\{\(])/g, '$1 — $3');

// convert - or en dashes with spaces to em dash character surrounded by spaces text = text.replace(/([a-zA-Z\'\"”\]\}])( | )+(\u2212|–|–) +([a-zA-Z\'\"“\[\{])/g, '$1$2— $4');

// convert hyphen next to lone number into a minus sign character text = text.replace(/([a-zA-Z\'\"”\]\>] )-(\d)/g, '$1\u2212$2');

// convert dashes to en dashes in dates text = text.replace(/([ \(][12]\d\d\d) ?(--?|—|&mdash;) ?([12]\d\d\d|\d\d)([ \),.;])/g, '$1–$3$4');

return(text); }

// // unit formatter - new tab adds spaces between number and units, makes units consistent // originally from User:Omegatron //

function FixUnits(text) {

// fix basic text = FixSpaces(text);

// convert all &deg; into actual ° symbol text = text.replace(/&deg;/g, '°');

// convert the word ohm(s) or the html entity into the actual O symbol (Omega, not the actual ohm symbol &#8486;) and make sure it's spaced text = text.replace(/(\d) ?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|µ|µ|n|p|f|a|z|y)? ?(&Omega;|ohm|Ohm)s?([ ,.])/g, '$1 $2O$4');

// convert various micro symbols into the actual micro symbol, make sure it's spaced text = text.replace(/(\d) ?(&mu;|µ|&micro;)(g|s|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|O|F|Wb|T|H|S|Bq|Gy|Sv|kat|°C|M)([ ,.])/g, '$1 µ$3$4');

// convert capital K to lowercase k in units text = text.replace(/(\d) ?K(g|s|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|O|F|Wb|T|H|S|Bq|Gy|Sv|kat|°C|M)([ ,.])/g, '$1 k$2$3');

// capitalize units correctly text = text.replace(/(\d) ?(khz)([ ,.])/gi, '$1 kHz$3'); text = text.replace(/(\d) ?(mhz)([ ,.])/gi, '$1 MHz$3'); text = text.replace(/(\d) ?(ghz)([ ,.])/gi, '$1 GHz$3'); text = text.replace(/(\d) ?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|µ|µ|n|p|f|a|z|y)?(hz|HZ)([ ,.])/g, '$1 $2Hz$4'); text = text.replace(/(\d) ?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|µ|µ|n|p|f|a|z|y)?(pa|PA)([ ,.])/g, '$1 $2Pa$4');

// add a space before dB or B text = text.replace(/(\d) ?(dB|B)\b/g, '$1 $2');

// add a space before any units that were missed before text = text.replace(/(\d) ?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|n|p|f|a|z|y)?(g|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|O|F|Wb|T|H|S|Bq|Gy|Sv|kat|°C|M)([ ,.])/g, '$1 $2$3$4');

// separate one for seconds since they give a lot of false positives like "1970s". Only difference is mandatory prefix. text = text.replace(/(\d) ?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|n|p|f|a|z|y)(s)([ ,.])/g, '$1 $2$3$4');

// bps or b/s or bits/s --> bit/s text = text.replace(/([KkMmGgTtPpEeYyZz])(bps|bits?\/s|b\/s)/g, '$1bit/s');

// Bps or byte/s or bytes/s --> B/s text = text.replace(/([KkMmGgTtPpEeYyZz])(Bps|bytes?\/s)/g, '$1B/s');

// after that, make capitalization correct text = text.replace(/K(bit|B)\/s/g, 'k$1/s'); text = text.replace(/m(bit|B)\/s/g, 'M$1/s'); text = text.replace(/g(bit|B)\/s/g, 'G$1/s'); text = text.replace(/t(bit|B)\/s/g, 'T$1/s'); text = text.replace(/e(bit|B)\/s/g, 'E$1/s'); text = text.replace(/y(bit|B)\/s/g, 'Y$1/s'); text = text.replace(/z(bit|B)\/s/g, 'Z$1/s');

// fix a common error text = text.replace(/mibi(bit|byte)/g, 'mebi$1');

return(text); }

// // math character fixer, originally from User:Omegatron // // DO NOT USE ON WHOLE DOCUMENT OR $$ $$ WIKICODE! //

function FixMath(text) {

// fix basic text = FixSpaces(text);

// convert html entities into actual dash characters text = text.replace(/&minus;/g, '\u2212'); text = text.replace(/&middot;/g, '·');

// convert dash next to a number into a minus sign character text = text.replace(/([^a-zA-Z0-9\,\_\{])-(\d)/g, '$1\u2212$2');

// changes 2x3 to 2×3 text = text.replace(/(\d ?)x( ?\d)/g, '$1×$2');

// changes 10^3 to 103 text = text.replace(/(\d*\.?\d+)\^(\u2212?\d+\.?\d*)/g, '$1$2');

// change x^3 to x3 text = text.replace(/([0-9a-zA-Z])\^(\u2212?\d+\.?\d*) /g, '$1$2');

// change +/- to ± text = text.replace(/( |\d)\+\/(-|\u2212)( |\d)/g, '$1±$3');

return(text); }

// // add a tag to the summary box //

function AddSummary(summary) { var text = document.getElementById('wpSummary'); if (text.value.match(/ \*\/ $/)) { text += ' '; } else if (text.value != '') { text.value += '; '; } text.value += summary; }

// // save undo information //

function SaveUndo(text, startPos, endPos) {

if (undoBufferLast == 0) { undoBuffer[1] = textareaElement.value; undoBufferSelStart[1] = startPos; undoBufferSelEnd[1] = endPos; undoBufferCurr = 1; undoBufferLast = 1; } undoBufferLast++; undoBufferCurr = undoBufferLast; var slot = undoBufferLast % undoBufferMax; undoBuffer[slot] = text; undoBufferSelStart[slot] = startPos; undoBufferSelEnd[slot] = endPos; }

// //undo //

function Undo {

if (undoBufferCurr - 1 > undoBufferLast - undoBufferMax) { if (undoBufferCurr - 1 >= 0) { undoBufferCurr--; var slot = undoBufferCurr % undoBufferMax; textareaElement.value = undoBuffer[slot]; textareaElement.focus; textareaElement.selectionStart = undoBufferSelStart[slot]; textareaElement.selectionEnd = undoBufferSelEnd[slot]; textRows.changed = true; ParseRows; ScrollTextarea(textRows.selStartRow, textRows.selEndRow, 0, findMargin, textareaElement.scrollTop); } } }

// // redo //

function Redo {

if (undoBufferCurr + 1 <= undoBufferLast) { undoBufferCurr++; var slot = undoBufferCurr % undoBufferMax; var slot = undoBufferCurr % undoBufferMax; textareaElement.value = undoBuffer[slot]; textareaElement.focus; textareaElement.selectionStart = undoBufferSelStart[slot]; textareaElement.selectionEnd = undoBufferSelEnd[slot]; textRows.changed = true; ParseRows; ScrollTextarea(textRows.selStartRow, textRows.selEndRow, 0, findMargin, textareaElement.scrollTop); } }

// // resize textarea to ~100% by adapting cols //

function ResizeTextarea {

var textareaClone = document.getElementById('textareaClone'); var scrollTopPx = textareaElement.scrollTop; textareaClone.style.width = '100%'; textareaClone.style.display = 'block'; var widthMax = textareaClone.offsetWidth; textareaClone.style.width = 'auto';

// find optimal width textareaClone.cols = 20; for (var i = 64; i >= 1; i = i / 2) { while (textareaClone.offsetWidth < widthMax) { textareaClone.cols = textareaClone.cols + i; } textareaClone.cols = textareaClone.cols - i; } textareaClone.style.display = 'none'; textareaElement.cols = textareaClone.cols; textareaElement.style.width = 'auto'; textareaElement.scrollTop = scrollTopPx;

// parse rows textRows.changed = true; ParseRows;

return; }

// // convert strange spaces, remove non-\n linebreak characters //

function convertStrangeSpaces {

var startPos = textareaElement.selectionStart; var endPos = textareaElement.selectionEnd;

var text = textareaElement.value; text = text.replace(/[\t\v\u00a0\u2028\u2029]+/g, ' '); // \u00a0 = text = text.replace(/[\r\f]/g, ''); textareaElement.value = text;

textareaElement.selectionStart = startPos; textareaElement.selectionEnd = endPos;

return; }

// // setup routine for javascript editor //

function SetupEditor {

var html = '';

// check if the editor is already installed if (document.getElementById('findText') != null) { return; }

// at the moment this works only for mozilla browsers (Mozilla, Mozilla Firefox, Mozilla SeaMonkey) var browser = navigator.appName; if (browser == null) { return; } if (! /Netscape/i.test(browser)) { return; } var version = navigator.appVersion.match(/\d+(\.\d+)/)[0]; if (version == null) { return; } if (version < 5.0) { return; }

// get the textarea object textareaElement = document.getElementById('wpTextbox1'); if (textareaElement == null) { return; }

// setup the undo buffers and get the original text for instant change view undoBuffer[0] = textareaElement.value; editformOrig = textareaElement.value;

// set textarea size to maximal row number, always show vertical scrollbar textareaElement.style.overflow = '-moz-scrollbars-vertical'; textareaElement.style.overflowX = 'auto';

// convert strange spaces, remove non-\n linebreak characters convertStrangeSpaces;

// add custom edit area stylesheet definition to head var insert = document.getElementsByTagName('head')[0]; html = ''; html += ''; html += '.customEdit { ' + styleButtons + '}'; html += '.previewBox { ' + stylePreviewBox + ' }'; html += ' '; insert.innerHTML += html;

// create inputWrapper for textarea and buttons (fullscreen elements) var inputWrapper = document.createElement('div'); inputWrapper.id = 'inputWrapper'; textareaElement.parentNode.insertBefore(inputWrapper, textareaElement);

// move textareaElement to textareaWrapper var textareaWrapper = document.createElement('div'); textareaWrapper.id = 'textareaWrapper'; inputWrapper.appendChild(textareaWrapper); textareaWrapper.appendChild(textareaElement);

// add all other buttons and inputs to buttonsWrapper var buttonsWrapper = document.createElement('div'); buttonsWrapper.id = 'buttonsWrapper'; inputWrapper.appendChild(buttonsWrapper);

// add custom formatting buttons var customEditButtons = document.createElement('div'); customEditButtons.id ='customEditButtons'; html = '';

// find, replace html += ' '; html += ''; html += '<input class="customEdit" type="button" value="&larr;Find" onclick="javascript:Edit(\'findprev\');" title="Find previous">'; html += ' '; html += '<input class="customEdit" type="text" value="" style="height: 1.4em; font-family: monospace; height: 1.2em; padding: 0; margin: 0; position: absolute; left: 0; top: 0; z-index: 2;" onfocus="javascript:this.setSelectionRange(0, this.textLength);" id="findText" title="">'; html += '<select class="customEdit" id="findSelect" style="height: 1.5em; font-family: monospace; border: none; padding: 0; margin: 0; position: relative; vertical-align: baseline; z-index: 1;" onfocus="javascript:SetComboOptions(\'find\')" onChange="javascript:ChangeComboInput(\'find\');">'; html += ' '; html += ' '; html += '<input class="customEdit" type="button" value="Find&rarr;" onclick="javascript:Edit(\'findnext\');" title="Find next">'; html += ' '; html += '<input class="customEdit" type="button" value="&uarr;&darr;" onclick="javascript:Edit(\'updown\');" title="Jump to the top / bottom">'; html += '<input class="customEdit" type="button" value="&crarr;" id="lastChangePos" onclick="javascript:Edit(\'lastchangepos\');" title="Jump to the last changed position">'; html += ' '; html += '<input class="customEdit" type="button" value="&larr;" onclick="javascript:Undo;" title="Undo button clicks">'; html += '<input class="customEdit" type="button" value="&rarr;" onclick="javascript:Redo;" title="Redo button clicks">'; html += ' '; html += '<input class="customEdit" type="button" value="Undo all" onclick="javascript:Edit(\'undoall\');" title="Restore original text, can be undone">'; html += ' '; html += '<input class="customEdit" type="button" style="font-weight: bold;" value="b" onclick="javascript:Edit(\'bold\');" title="Bold text">'; html += '<input class="customEdit" type="button" style="font-style: italic;" value="i" onclick="javascript:Edit(\'italic\');" title="Italic text">'; html += '<input class="customEdit" type="button" value="A&rarr;a" onclick="javascript:Edit(\'lowercase\');" title="Lowercase text">'; html += ' '; html += '<input class="customEdit" type="button" value="=&larr;" onclick="javascript:Edit(\'headingless\');" title="Decrease heading level of current lines">'; html += '<input class="customEdit" type="button" value="&rarr;==" onclick="javascript:Edit(\'headingmore\');" title="Increase heading level of current lines">'; html += ' '; html += '<input class="customEdit" type="button" value="&prod;" id="scrollToTop" title="Scroll text area to window top">'; html += '<input class="customEdit" type="button" id="fullScreenButtonFloat" style="display: none; position: absolute; z-index: 5;">'; html += '<input class="customEdit" type="button" id="fullScreenButton">'; html += ' ';

// fixing functions html += ' '; html += '<input class="customEdit" type="button" value="All" onclick="javascript:Edit(\'replaceall\');" title="Replace all occurrences in whole text or selection">'; html += '<input class="customEdit" type="button" value="&larr;Repl." onclick="javascript:Edit(\'replaceprev\');" title="Replace previous">'; html += ' '; html += '<input class="customEdit" type="text" value="" style="height: 1.4em; font-family: monospace; height: 1.2em; padding: 0; margin: 0; position: absolute; left: 0; top: 0; z-index: 2;" onfocus="this.setSelectionRange(0, this.textLength);" id="replaceText" title="">'; html += '<select class="customEdit" id="replaceSelect" style="height: 1.5em; font-family: monospace; border: none; padding: 0; margin: 0; position: relative; vertical-align: baseline; z-index: 1;" onfocus="SetComboOptions(\'replace\')" onChange="javascript:ChangeComboInput(\'replace\');">'; html += ' '; html += ' '; html += '<input class="customEdit" type="button" value="Repl.&rarr;" onclick="javascript:Edit(\'replacenext\');" title="Replace">'; html += '<span title="Find ahead as you type (non-regexp only)"><input class="customEdit" style="margin: 0 0.2em 0 0.5em;" type="checkbox" value="1" id="findAhead">Find ahead '; html += ' <input class="customEdit" style="margin: 0 0.2em 0 0.3em;" type="checkbox" value="1" id="caseSensitive">Case '; html += ' <input class="customEdit" style="margin: 0 0.2em 0 0.3em;" type="checkbox" value="1" id="regExp">Regexp '; html += ' Fix: '; html += '<input class="customEdit" type="button" value="Basic" onclick="javascript:Edit(\'spaces\');" title="Fix blanks and empty lines">'; html += '<input class="customEdit" type="button" value=" | " onclick="javascript:Edit(\'pipes\');" title="Fix blanks around vertical bars">'; html += '<input class="customEdit" type="button" value="k&Omega;" onclick="javascript:Edit(\'units\');" title="Fix units">'; html += '<input class="customEdit" type="button" value="&radic;" onclick="javascript:Edit(\'math\');" title="Fix math, DO NOT USE ON WHOLE TEXT OR $$$$ WIKICODE!!!">'; html += ' '; html += '<input class="customEdit" type="button" value="&mdash;" onclick="javascript:Edit(\'dashes\');" title="Fix dashes">'; html += '<input class="customEdit" type="button" value="html" onclick="javascript:Edit(\'html\');" title="Fix html to wikicode">'; html += '<input class="customEdit" type="button" value=".,:" onclick="javascript:Edit(\'punct\');" title="Fix spaces before puntuation">'; html += '<input class="customEdit" type="button" value="Aa" onclick="javascript:Edit(\'caps\');" title="Fix caps in headers and lists">'; html += ' '; customEditButtons.innerHTML = html; buttonsWrapper.appendChild(customEditButtons);

// add elements to buttonsWrapper var element = document.getElementById('editpage-copywarn'); while (element != null) { if (element.id == 'editpage-specialchars') { break; } next_element = element.nextSibling; buttonsWrapper.appendChild(element); element = next_element; }

// add preview and changes buttons var customPreview = document.createElement('span'); customPreview.id = 'customPreviewButtons'; html = ''; html += ' '; html += 'Instant:\n'; html += '<input type="button" class="customEdit" title="Show a preview below" value="Preview" id="instantPreview" onclick="NormalScreen; document.getElementById(\'PreviewBox\').innerHTML = wiki2html(editform.wpTextbox1.value);">'; html += '<input type="button" class="customEdit" title="Show changes since your last preview below" value="Changes" id="instantDiff" onclick="NormalScreen; document.getElementById(\'PreviewBox\').innerHTML = StringDiff(editformOrig, editform.wpTextbox1.value);">'; html += '<input type="button" class="customEdit" title="Clear the preview box" value="Clear" id="instantClear" onclick="NormalScreen; document.getElementById(\'PreviewBox\').innerHTML = \'\';">'; html += ' '; html += 'Server:\n'; customPreview.innerHTML = html; var preview = document.getElementById('wpPreview'); preview.parentNode.insertBefore(customPreview, preview);

// add preview box var previewBox = document.createElement('div'); previewBox.id = 'customPreviewBox'; html = ''; html += '<div style="margin-top: 0.5em; margin-bottom: 0.5em; border-width: 1px; border-style: solid; border-color: #808080 #d0d0d0 #d0d0d0 #808080;" id="PreviewBoxOutline">'; html += '<div class="previewBox" style="padding: 5px; border-width: 1px; border-style: solid; border-color: #404040 #ffffff #ffffff #404040;" id="PreviewBox">'; html += ' '; html += ' '; html += '<input class="customEdit" type="button" value="Scroll up" id="scrollToTopBottom" title="Scroll text area to window top">'; previewBox.innerHTML = html; inputWrapper.parentNode.insertBefore(previewBox, inputWrapper.nextSibling);

// move linebreak before checkboxes down var summary = document.getElementById('wpSummary'); var checkboxSep = document.createTextNode(''); summary.parentNode.replaceChild(checkboxSep, summary.nextSibling);

// move 'Summary:' into submit button div var summary = document.getElementById('wpSummary'); var summaryLabel = document.getElementById('wpSummaryLabel'); summary.parentNode.insertBefore(summaryLabel, summary.parentNode.firstChild);

// make the summary a combo box var summary = document.getElementById('wpSummary'); var htmlPre = ''; var htmlPost = ''; html = ''; htmlPre += ' '; html    += ' style="padding: 0; margin: 0; position: absolute; left: 0; top: 0; z-index: 2; width: auto;" onfocus="this.setSelectionRange(0, this.textLength);"'; htmlPost += '<select style="border: none; padding: 0; margin: 0; position: relative; vertical-align: middle; z-index: 1;" id="wpSummarySelect" onfocus="javascript:SetComboOptions(\'summary\')" onchange="javascript:ChangeComboInput(\'summary\');">'; htmlPost += ' '; htmlPost += ' '; summary.parentNode.innerHTML = summary.parentNode.innerHTML.replace(/\s*(<input.*?id\=\"wpSummary\")(.*?>)/, htmlPre + '$1' + html + '$2' + htmlPost);

// add margin around submit buttons var saveButton = document.getElementById('wpSave'); saveButton.parentNode.style.marginTop = '0.7em'; saveButton.parentNode.style.marginBottom = '0.5em';

// move copywarn down var copywarn = document.getElementById('editpage-copywarn'); inputWrapper.parentNode.insertBefore(copywarn, previewBox.nextSibling);

// shorten submit button texts and add onclick handler document.getElementById('wpPreview').value = 'Preview'; document.getElementById('wpDiff').value = 'Changes'; window.onsubmit = function { AddToHistory('summary'); };

// set up combo input boxes with history fieldHist ['find'] = []; cookieName['find'] = 'findHistory'; inputElement['find'] = new Object(document.getElementById('findText')); selectElement['find'] = new Object(document.getElementById('findSelect')); selectElement['find'].style.height = (inputElement['find'].clientHeight + 1) +'px';

fieldHist ['replace'] = []; cookieName['replace'] = 'replaceHistory'; inputElement['replace'] = new Object(document.getElementById('replaceText')); selectElement['replace'] = new Object(document.getElementById('replaceSelect')); selectElement['replace'].style.height = (inputElement['replace'].clientHeight + 1) +'px';

fieldHist ['summary'] = []; cookieName['summary'] = 'summaryHistory'; inputElement['summary'] = new Object(document.getElementById('wpSummary')); selectElement['summary'] = new Object(document.getElementById('wpSummarySelect')); selectElement['summary'].style.height = (inputElement['summary'].clientHeight + 1) +'px';

ResizeComboInput('find'); ResizeComboInput('replace'); ResizeComboInput('summary');

// setup fullscreen mode

// save textbox properties normalTextareaWidth = getStyle(textareaElement, 'width'); normalTextareaHeight = getStyle(textareaElement, 'height'); normalTextareaMargin = getStyle(textareaElement, 'margin'); normalTextareaRows = textareaElement.rows;

// set fullscreen style fixes var inputWrapper = document.getElementById('inputWrapper'); var content = document.getElementById('content'); var content = document.getElementById('content'); inputWrapper.style.lineHeight = getStyle(content, 'line-height');

// move globalWrapper elements to new subGlobalWrapper var globalWrapper = document.getElementById('globalWrapper'); var subGlobalWrapper = document.createElement('div'); subGlobalWrapper.id = 'subGlobalWrapper'; globalWrapper.appendChild(subGlobalWrapper); var element = globalWrapper.firstChild; while (element != null) { if (element.id == 'subGlobalWrapper') { break; } next_element = element.nextSibling; subGlobalWrapper.appendChild(element); element = next_element; }

// set original tree position of input area normalTreePos = inputWrapper.nextSibling;

// set fullscreen button texts var fullScreenButton = document.getElementById('fullScreenButton'); var floatButton = document.getElementById('fullScreenButtonFloat'); fullScreenButton.value = fullButtonValue; fullScreenButton.title = fullButtonTitle; floatButton.value = normalFloatButtonValue; floatButton.title = normalButtonTitle;

// set button event handlers document.captureEvents(Event.click); document.captureEvents(Event.mouseover); document.captureEvents(Event.keyup); document.captureEvents(Event.keypress);

// fullscreen fullScreenButton.onclick = FullScreen; floatButton.onclick = NormalScreen; floatButton.onblur = function { floatButton.style.right = '0.5em'; floatButton.style.bottom = '0.5em'; floatButton.style.top = ''; floatButton.style.left = ''; };

// scroll to text area top var scrollToTop = document.getElementById('scrollToTop'); var scrollToTopBottom = document.getElementById('scrollToTopBottom'); scrollToTop.onmouseover = ScrollToTop; scrollToTop.onclick = ScrollToTop; scrollToTopBottom.onmouseover = ScrollToTop; scrollToTopBottom.onclick = ScrollToTop;

// find ahead var findText = document.getElementById('findText'); findText.onkeyup = FindAhead;

// cursor memory, jump to last changed position textareaElement.onkeypress = KeyTextArea; textareaElement.onkeyup = KeyTextArea; textareaElement.onclick = ClickTextArea;

// submit buttons var saveButton = document.getElementById('wpSave'); var previewButton = document.getElementById('wpPreview'); var diffButton = document.getElementById('wpDiff'); saveButton.onclick = function { NormalScreen; saveButton.onclick = null; saveButton.click; }; previewButton.onclick = function { NormalScreen; previewButton.onclick = null; previewButton.click; }; diffButton.onclick = function { NormalScreen; diffButton.onclick = null; diffButton.click; };

// insert an invisible clone of the textarea for resizing var textareaClone = textareaElement.cloneNode(false); textareaClone.id = 'textareaClone'; textareaClone.name = null; textareaClone.accesskey = null textareaClone.tabindex = null; textareaClone.style.position = 'relative'; textareaClone.style.display = 'none'; textareaClone.style.zIndex = '-5'; textareaClone.style.height = ''; textareaClone.rows = 1; textareaClone.style.overflow = 'scroll'; textareaElement.parentNode.insertBefore(textareaClone, textareaElement.nextSibling);

// resize textarea and parse rows window.onresize = ResizeTextarea; ResizeTextarea;

// set textarea cursor to start textareaElement.setSelectionRange(0, 0);

// default checkboxes if (findAheadSelected) { document.getElementById('findAhead').checked = true; }

return; }

// // FindAhead: find non-regexp text as you type, event handler for find field //

function FindAhead {

if (document.getElementById('findAhead').checked) { if (!document.getElementById('regExp').checked) {

// get the find text var find = document.getElementById('findText'); var findText = find.value;

// get checkboxes var caseSensitive = document.getElementById('caseSensitive'); var regExp = document.getElementById('regExp');

// replace special characters for regexp search var startPos = textareaElement.selectionStart; findText = findText.replace(/([\\^\$\*\+\?\.\(\)\[\]\{\}\:\=\!\|\,\-])/g, '\\$1'); if ( ! caseSensitive.checked ) { regExpFlags = 'i'; } if (findText != '') {

// create regexp var regExpFind = new RegExp(findText, regExpFlags);

// set start position for search to right var indexStart; var result; indexStart = startPos;

// execute the regexp search to the right regExpFind.lastIndex = indexStart; result = regExpFind.exec(textareaElement.value);

// set the selection if (result != null) {

// set the selection range textareaElement.setSelectionRange(result.index, result.index + result[0].length);

// scroll the textarea to the selected text or cursor position ParseRows; if (textRows.selStartRow >= textRows.rows) { ScrollTextarea(textRows.selStartRow, textRows.selEndRow, 0, 0, 0); } else { ScrollTextarea(textRows.selStartRow, textRows.selEndRow, 0, 0, textareaElement.scrollHeight); } } } } } return; }

// // ClickTextArea: event handler for textarea clicks //

function ClickTextArea(event) {

// reset cursor memory textRows.cursorMemory = null; return; }

// // KeyTextArea: event handler for textarea keypresses //

function KeyTextArea(event) {

// 'jump to last change' function if (event.type == 'keyup') {

// left, right, up, down, page up, page down; switch (event.keyCode) { case 37: ; case 39: ; case 38: ; case 33: ; case 40: ; case 34: break; default: if (event.charCode != null) { lastChangePos = textareaElement.selectionStart; }  }  }

// cursor memory function else if (event.type == 'keypress') {

// check if cursor memory has been enabled if (cursorMemory != true) { return; }

// left, right if ( (event.keyCode == 37) || (event.keyCode == 39) ) { textRows.cursorMemory = null; }

// up, down, page up, page down; contains a workaround for a bug that misplaces cusor in empty lines else if ( (event.keyCode == 38) || (event.keyCode == 40) || (event.keyCode == 33) || (event.keyCode == 34) ) { ParseRows; var row = textRows.selStartRow; var col; if (textRows.cursorMemory != null) { col = textRows.cursorMemory; } else { col = textRows.selEnd - textRows.rowStart[row]; textRows.cursorMemory = col; } var lines;

// up, down, page up, page down switch (event.keyCode) { case 38: lines = -1; break; case 33: lines = scrollMargin - textRows.rows; break; case 40: lines = 1; break; case 34: lines = textRows.rows - scrollMargin; } if ( ( (lines < 0) && (row > 0) ) || ( (lines > 0) && (row < textRows.rowTotal) ) ) { row = row + lines; if (row < 0) { row = 0; } else if (row > textRows.rowTotal) { row = textRows.rowTotal; } var pos; if (textRows.rowLength[row] >= col) { pos = textRows.rowStart[row] + col; if (!event.metaKey && !event.shiftKey && !event.ctrlKey) { textareaElement.setSelectionRange(pos, pos); event.preventDefault; } } else { pos = textRows.rowStart[row] + textRows.rowLength[row]; } ScrollTextarea(textRows.selStartRow, textRows.selEndRow, lines, scrollMargin, textareaElement.scrollTop); } } else { textRows.changed = true; } } return; }

// // ScrollToTop: event handler for scroll to textarea top button //

function ScrollToTop(event) {

var scrollToTop = document.getElementById('scrollToTop'); var scrollToTopBottom = document.getElementById('scrollToTopBottom'); var textarea = document.getElementById('textareaWrapper'); var buttons = document.getElementById('buttonsWrapper'); var textareaTop = getOffsetTop(textarea); var buttonsTop = getOffsetTop(buttons); var offset = window.pageYOffset;

// click if (event.type == 'click') { if (offset == textareaTop) { window.scroll(0, buttonsTop); scrollToTop.title = "Scroll text area to window top"; scrollToTopBottom.title = "Scroll text area to window top"; } else { window.scroll(0, textareaTop); scrollToTop.title = "Scroll button area to window top"; scrollToTopBottom.title = "Scroll button area to window top"; } }

// mouseover else { if (offset == textareaTop) { scrollToTop.title = "Scroll button area to window top"; scrollToTopBottom.title = "Scroll button area to window top"; } else { scrollToTop.title = "Scroll text area to window top"; scrollToTopBottom.title = "Scroll text area to window top"; } } return; }

// // FullScreen: change to fullscreen input area; event handler for fullscreen buttons //

function FullScreen(event) {

fullScreenMode = true;

// save window scroll position normalPageYOffset = window.pageYOffset; normalPageXOffset = window.pageXOffset;

// get fullscreen button coordinates var buttonOffsetLeft = event.pageX - window.pageXOffset; var buttonOffsetTop = event.pageY - window.pageYOffset;

// move the input area up in the tree var inputWrapper = document.getElementById('inputWrapper'); var globalWrapper = document.getElementById('globalWrapper'); var subGlobalWrapper = document.getElementById('subGlobalWrapper'); globalWrapper.insertBefore(inputWrapper, subGlobalWrapper);

// set input area to fullscreen inputWrapper.style.position = 'fixed'; inputWrapper.style.top = '0'; inputWrapper.style.left = '0'; inputWrapper.style.right = '0'; inputWrapper.style.bottom = '0'; var content = document.getElementById('content'); inputWrapper.style.backgroundColor = getStyle(content, 'background-color'); var buttonsWrapper = document.getElementById('buttonsWrapper'); buttonsWrapper.style.paddingLeft = '0.5em' buttonsWrapper.style.paddingBottom = '0.5em'

// set textarea size textareaElement.style.margin = '0';

// set the textarea to maximal height var textareaWrapper = document.getElementById('textareaWrapper'); textareaElement.style.height = (window.innerHeight - buttonsWrapper.offsetHeight - 4) + 'px';

// hide the rest of the page subGlobalWrapper.style.display = 'none';

// set floating 'back to normal' button var floatButton = document.getElementById('fullScreenButtonFloat'); floatButton.style.right = ''; floatButton.style.bottomt = ''; floatButton.style.display = 'inline'; floatButton.style.left = (buttonOffsetLeft - floatButton.offsetWidth / 2) + 'px'; floatButton.style.top = (buttonOffsetTop - floatButton.offsetHeight / 2) + 'px'; floatButton.focus;

// change fullscreen button text and handler var fullScreenButton = document.getElementById('fullScreenButton'); fullScreenButton.value = normalButtonValue; fullScreenButton.title = normalButtonTitle; fullScreenButton.onclick = NormalScreen;

// set rows var textareaClone = document.getElementById('textareaClone'); textareaClone.style.display = 'block'; var rows = textareaElement.clientHeight / textareaClone.clientHeight * textareaClone.rows; textareaClone.style.display = 'none'; textareaElement.rows = rows;

// resize textarea to defined cols number and parse rows ResizeTextarea;

return; }

// // NormalScreen: change back to normal page view; event handler for fulscreen buttons //

function NormalScreen {

// check if we are in fullscreen mode if (fullScreenMode != true) { return; } fullScreenMode = false;

// hide floating 'back to normal' button var floatButton = document.getElementById('fullScreenButtonFloat').style.display = 'none';

// show the rest of the page document.getElementById('subGlobalWrapper').style.display = 'block';

// set input area back to the original position var inputWrapper = document.getElementById('inputWrapper'); normalTreePos.parentNode.insertBefore(inputWrapper, normalTreePos); inputWrapper.style.position = 'static'; inputWrapper.style.height = ''; inputWrapper.style.backgroundColor = '';

// reset textarea settings textareaElement.style.width = normalTextareaWidth; textareaElement.style.height = normalTextareaHeight; textareaElement.style.margin = normalTextareaMargin; textareaElement.rows = normalTextareaRows; document.getElementById('buttonsWrapper').style.padding = '';

// change fullscreen button text and handler var fullScreenButton = document.getElementById('fullScreenButton'); fullScreenButton.value = fullButtonValue; fullScreenButton.title = fullButtonTitle; fullScreenButton.onclick = FullScreen;

// reset window scroll position window.scrollTo(normalPageXOffset, normalPageYOffset);

// resize textarea to defined cols number ResizeTextarea;

return; }

// // ResizeComboInput: set the size of the background select boxes so that the button is visible //

function ResizeComboInput(field) {

// add a dummy option var dummy; if (selectElement[field].options.length == 0) { selectElement[field].options[0] = new Option(''); dummy = true; }

// set option widths to 0 for (i = 0; i < selectElement[field].options.length; i ++) { selectElement[field].options[i].style.width = '0'; }

// calculate select width var inputWidth = inputElement[field].clientWidth; var selectWidth = selectElement[field].clientWidth; var optionWidth = selectElement[field].options[0].offsetWidth; var border = inputElement[field].offsetWidth - inputElement[field].clientWidth; selectElement[field].style.width = (selectWidth - optionWidth + inputWidth - border) + 'px';

// delete dummy option if (dummy) { selectElement[field].options[0] = null; }

// set option widths to auto for (i = 0; i < selectElement[field].options.length; i ++) { selectElement[field].options[i].style.width = 'auto'; } return; }

// // ChangeComboInput: set the input value to selected option; onchange event handler for select boxes //

function ChangeComboInput(field) {

// get selection index (-1 for unselected) var selected = selectElement[field].selectedIndex; if (selected >= 0) {

// get selected option var option = selectElement[field].options[selected]; if (option.text != '') {

// add case and regexp checkboxes to find / replace fields if (option.value == 'setcheck') { document.getElementById('caseSensitive').checked = ( option.text.charAt(0) == checkMarker[true] ); document.getElementById('regExp').checked = ( option.text.charAt(1) == checkMarker[true] ); inputElement[field].value = option.text.substr(3); } else { inputElement[field].value = option.text; } } } return; }

// // AddToHistory: add an input value to the cookie history //

function AddToHistory(field) {

if (inputElement[field].value != '') {

// load history from cookie LoadHistoryFromCookie(field);

// add current value to history fieldHist[field].unshift(inputElement[field].value);

// add case and regexp checkboxes to find / replace value if ( (field == 'find') || (field == 'replace') ) { fieldHist[field][0] = checkMarker[ document.getElementById('caseSensitive').checked ] + checkMarker[ document.getElementById('regExp').checked ] + ' ' + fieldHist[field][0]; }

// remove multiple old copies from history i = 1; while (i < fieldHist[field].length) { if (fieldHist[field][i] == fieldHist[field][0]) { fieldHist[field].splice(i, 1); } else { i ++; } }

// remove new value if it is a preset value i = 0; if (presetOptions[field] != null) { while (i < presetOptions[field].length) { if (presetOptions[field][i] == fieldHist[field][0]) { fieldHist[field].shift; break; } else { i ++; } } }

// cut history to maximal history length fieldHist[field] = fieldHist[field].slice(0, findHistoryLength);

// saved history to cookie SaveHistoryToCookie(field); } return; }

// // SetComboOptions: generate the select options from cookie history; onfocus handler for select box //

function SetComboOptions(field) {

// load history from cookie LoadHistoryFromCookie(field);

var option = {}; var selected = null; j = 0;

// delete options var options = selectElement[field].options; for (i = 0; i > options.length; i ++) { selectElement[field].remove(i); }

// delete optgroup option = document.getElementById(field + 'Optgroup'); if (option != null) { selectElement[field].removeChild(option); }

// workaround for onchange not firing when selecting first option from unselected dropdown option = document.createElement('option'); option.style.display = 'none'; selectElement[field].options[j++] = option;

// add history entries for (i = 0; i < fieldHist[field].length; i ++) { if (fieldHist[field][i] != null) { if (fieldHist[field][i] == inputElement[field].value) { selected = j; } option = document.createElement('option'); option.text = fieldHist[field][i]; if ( (field == 'find') || (field == 'replace') ) { option.value = 'setcheck'; } selectElement[field].options[j++] = option; } }

// add preset entries if (presetOptions[field] != null) { var startPreset = j; for (i = 0; i < presetOptions[field].length; i ++) { if (presetOptions[field][i] != null) { if (presetOptions[field][i] == inputElement[field].value) { selected = j; } option = document.createElement('option'); option.text = presetOptions[field][i]; selectElement[field].options[j++] = option; } }

// add a blank separator if (startPreset > 1) { option = document.createElement('optgroup'); option.label = '\u00a0'; option.id = field + 'Optgroup'; selectElement[field].insertBefore(option, selectElement[field].options[startPreset]); } }

// set the selection selectElement[field].selectedIndex = selected; return; }

// // LoadHistoryFromCookie: get the input box history from the respective cookie //

function LoadHistoryFromCookie(field) { var cookie = GetCookie(cookieName[field]); if (cookie != null) { cookie = decodeURIComponent(cookie); fieldHist[field] = cookie.split('\n'); } return; }

// // SaveHistoryToCookie: save the input box history to the respective cookie //

function SaveHistoryToCookie(field) { var cookieExpire = new Date; cookieExpire.setTime( cookieExpire.getTime + cookieExpireSec * 1000 ); var cookie = ''; cookie = fieldHist[field].join('\n') cookie = encodeURIComponent(cookie); SetCookie(cookieName[field], cookie, cookieExpire.toGMTString); return; }

// getStyle: get style properties for non-inline css definitions function getStyle(element, styleProperty) { var style; if (element != null) { style = document.defaultView.getComputedStyle(element, null).getPropertyValue(styleProperty); } return(style); }

// // GetCookie //

function GetCookie(name) { var cookie = ' ' + document.cookie; var search = ' ' + name + '='; var setStr = null; var offset = 0; var end = 0; if (cookie.length > 0) { offset = cookie.indexOf(search); if (offset != -1) { offset += search.length; end = cookie.indexOf(';', offset) if (end == -1) { end = cookie.length; } setStr = cookie.substring(offset, end); setStr = setStr.replace(/\\+/g, ' '); setStr = decodeURIComponent(setStr); } } return(setStr); }

// // SetCookie //

function SetCookie(name, value, expires, path, domain, secure) { document.cookie = name + '=' + encodeURIComponent(value) + ((expires) ? '; expires=' + expires : '') + ((path)   ? '; path=' + path : '') + ((domain) ? '; domain=' + domain : '') + ((secure) ? '; secure' : ''); }

// // getOffsetTop: get element offset relative to left window border //

function getOffsetTop(element) { var offset = 0; do { offset += element.offsetTop; } while ( (element = element.offsetParent) != null ); return(offset); }

/* */