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Lightweight textarea behavior for inserting Unicode symbols
Home Page: http://bradchoate.github.com/unicons
This project forked from bradchoate/unicons
Lightweight textarea behavior for inserting Unicode symbols
Home Page: http://bradchoate.github.com/unicons
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <meta http-equiv="Content-type" content="text/html; charset=utf-8"> <title>Unicons - Readme</title> <link rel="stylesheet" href="css/unicons.css" type="text/css" media="screen" charset="utf-8"> <script type="text/javascript" charset="utf-8" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript" charset="utf-8" src="js/unicons.js"></script> <style type="text/css" media="screen"> body { font-family: Helvetica; } h1 { font-size: 20px; } h2 { font-size: 18px; } p { font-size: 16px; } textarea { padding: 2px; margin: 0; font-size: 18px; } pre { margin: 0 3em; font-size: 11px; } </style> </head> <body> <a href="http://github.com/bradchoate/unicons"><img style="position: absolute; top: 0; right: 0; border: 0;" src="http://s3.amazonaws.com/github/ribbons/forkme_right_green_007200.png" alt="Fork me on GitHub" /></a> <h1>Unicons</h1> <p>For times when you can't insert images into your posts, you can insert Unicons!</p> <p>Use this on Twitter, TypePad, Tumblr... pretty much any text field on the web that accepts unicode characters.</p> <h2>Usage</h2> <p>For your own site, you can attach the minimal Unicon control UI by referencing the Unicons CSS stylesheet and the JavaScript files and jQuery, which can be loaded locally or (as shown) from Google: </p> <pre><script type="text/javascript" charset="utf-8" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <link rel="stylesheet" href="css/unicons.css" type="text/css" media="screen" charset="utf-8"> <script type="text/javascript" charset="utf-8" src="js/unicons.js"></script></pre> <p>This will cause all <code>textarea</code> controls on the page to be modified. To specifically exclude certain controls, add a "no-unicons" CSS class to the <code>textarea</code> tag.</p> <h2>Bookmarklet</h2> <p>To install, drag and drop this link to your bookmarks bar: <a href="javascript:void(function()%20{if%20(document.characterSet%20!=%20%27UTF-8%27)%20{if%20(!confirm(%22This%20document%20doesn%27t%20appear%20to%20support%20Unicode%20(character%20set%20is%20%27%22%20+%20document.characterSet%20+%20%22%27).%20Continue%20anyway?%22))%20{return;}}function%20insertAtCaret(txtarea,%20text)%20{var%20scrollPos%20=%20txtarea.scrollTop;var%20strPos%20=%200;var%20br%20=%20((txtarea.selectionStart%20||%20txtarea.selectionStart%20==%20%270%27)%20?%22ff%22%20:%20(document.selection%20?%20%22ie%22%20:%20false%20)%20);if%20(br%20==%20%22ie%22)%20{txtarea.focus();var%20range%20=%20document.selection.createRange();range.moveStart%20(%27character%27,%20-txtarea.value.length);strPos%20=%20range.text.length;}else%20if%20(br%20==%20%22ff%22)strPos%20=%20txtarea.selectionStart;var%20front%20=%20(txtarea.value).substring(0,strPos);var%20back%20=%20(txtarea.value).substring(strPos,txtarea.value.length);txtarea.value%20=%20front%20+%20text%20+%20back;strPos%20=%20strPos%20+%20text.length;if%20(br%20==%20%22ie%22)%20{txtarea.focus();var%20range%20=%20document.selection.createRange();range.moveStart%20(%27character%27,%20-txtarea.value.length);range.moveStart%20(%27character%27,%20strPos);range.moveEnd%20(%27character%27,%200);range.select();}else%20if%20(br%20==%20%22ff%22)%20{txtarea.selectionStart%20=%20strPos;txtarea.selectionEnd%20=%20strPos;txtarea.focus();}txtarea.scrollTop%20=%20scrollPos;}window.unicon_insert%20=%20function(ev,%20ch)%20{var%20txt%20=%20jQuery(ev.target).closest(%22.unicons-textarea-wrap%22).children(%22textarea%22).get(0);insertAtCaret(txt,%20ch);return%20false;};var%20unicons%20=%20function()%20{var%20unicon_table%20=%20[%22%E2%9D%9D%22,%20%22%E2%9D%9E%22,%20%22%E2%98%83%22,%20%22%E2%99%A5%22,%20%22%E2%9D%A4%22,%20%22%E2%99%A0%22,%20%22%E2%99%A6%22,%20%22%E2%99%A3%22,%20%22%E2%98%99%22,%20%22%E2%9D%A7%22,%20%22%E2%9D%A6%22,%20%22%E2%9C%8C%22,%20%22%E2%98%BA%22,%22%E2%98%B9%22,%20%22%E2%98%8E%22,%20%22%E2%98%91%22,%20%22%E2%9C%94%22,%20%22%E2%9C%84%22,%20%22%E2%9C%8E%22,%20%22%E2%98%AE%22,%20%22%E2%98%85%22,%20%22%E2%98%86%22,%20%22%E2%98%81%22,%20%22%E2%98%82%22,%20%22%E2%98%94%22,%20%22%E2%98%92%22,%22%E2%9C%82%22,%20%22%E2%9C%88%22,%20%22%E2%98%95%22,%20%22%E2%8C%9A%22,%20%22%E2%8C%9B%22,%20%22%E2%99%AA%22,%20%22%E2%99%AB%22,%20%22%E2%9A%A0%22,%20%22%E2%9C%BF%22,%20%22%E2%9D%84%22,%20%22%E2%9C%B0%22,%20%22%E2%99%94%22,%20%22%E2%99%95%22,%22%E2%99%96%22,%20%22%E2%99%97%22,%20%22%E2%99%98%22,%20%22%E2%99%99%22,%20%22%E2%99%9A%22,%20%22%E2%99%9B%22,%20%22%E2%99%9C%22,%20%22%E2%99%9D%22,%20%22%E2%99%9E%22,%20%22%E2%99%9F%22,%20%22%E2%9A%90%22,%20%22%E2%9A%91%22];var%20unicon_markup%20=%20%27%3Cdiv%20class=%22unicons-ui%22%3E%3Cdiv%20class=%22unicons-toggle%22%3E%E2%98%BA%3C/div%3E%3Cdiv%20class=%22unicons-frame%22%3E%3Cul%20class=%22unicons-table%22%3E%27;for%20(var%20i%20=%200,%20ii%20=%20unicon_table.length;%20i%20%3C%20ii;%20i++)%20{var%20ch%20=%20unicon_table[i];unicon_markup%20+=%20%27%3Cli%3E%3Ca%20href=%22#%22%20onclick=%22return%20unicon_insert(event,%20\%27%27%20+ch%20+%20%27\%27)%22%3E%27%20+%20ch%20+%20%27%3C/a%3E%3C/li%3E%27;}unicon_markup%20+=%20%27%3C/ul%3E%3C/div%3E%3C/div%3E%27;jQuery(%22textarea%22).each(function()%20{jQuery(this).wrap(%27%3Cdiv%20class=%22unicons-textarea-wrap%22/%3E%27);});jQuery(%22.unicons-textarea-wrap%22).each(function()%20{jQuery(this).prepend(unicon_markup);});};var%20css%20=%20document.createElement(%27style%27);var%20css_rules%20=%20%27.unicons-textarea-wrap%20{position:%20relative;display:%20inline-block;}\n.unicons-textarea-wrap:after%20{display:%20block;content:%20%22%20%22;visibility:%20hidden;clear:%20both;height:%200.1px;font-size:%200.1em;line-height:%200;}\n.unicons-textarea-wrap:hover%20.unicons-toggle%20{display:%20block;}\n.unicons-toggle%20{text-align:center;font-size:%2016px;display:%20none;position:%20absolute;top:%200;right:%200;background-color:%20#000;color:%20#fff;width:%2018px;margin:%200;padding:%203px;opacity:%200.5;-moz-opacity:%200.5;filter:alpha(opacity=50);}\n.unicons-ui:hover%20.unicons-toggle%20{display:%20none;}\n.unicons-ui:hover%20.unicons-frame%20{display:%20block;}\n.unicons-frame%20{display:%20none;background-color:%20#ccc;width:%2075%;top:%200;right:%200;position:%20absolute;}\n.unicons-table%20{margin:%200;padding:%200;font-size:%2020px;}\n.unicons-table%20li%20{display:%20inline;list-style:%20none;margin:%200;padding:%200;}\n.unicons-table%20a%20{display:%20inline-block;text-align:%20center;width:%2020px;margin:%200;padding:%205px;}\n.unicons-table%20a,.unicons-table%20a:visited,.unicons-table%20a:link%20{text-decoration:%20none;color:%20#000;}\n.unicons-table%20a:hover%20{background-color:%20#000;color:%20#fff;}%27;if%20(document.all){css.innerText%20=%20css_rules;}else{css.textContent%20=%20css_rules;}var%20head%20=%20document.getElementsByTagName(%27head%27)[0];head.appendChild(css);if%20(!%20window.jQuery)%20{var%20s%20=%20document.createElement(%27script%27);s.src%20=%20%27http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js%27;head.appendChild(s);s.onload%20=%20unicons;}else%20{unicons();}}%20())">Unicons</a></p> <h2>Demo</h2> <p>Move your mouse over the textarea below to reveal the Unicons control.</p> <form> <textarea rows="5" cols="60"></textarea> </form> <h2>Support</h2> <p>If you have any issues to report, please submit them to the <a href="http://github.com/bradchoate/unicons/issues">GitHub issues tracker</a> for this project.</p> <h2>License</h2> <p>This code is available under the BSD license.</p> </body> </html>
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