diff --git a/footer.php b/footer.php index 08e3946..89bf055 100644 --- a/footer.php +++ b/footer.php @@ -11,6 +11,7 @@ + - + \ No newline at end of file diff --git a/js/jquery.textarea.js b/js/jquery.textarea.js new file mode 100644 index 0000000..ec0b8b8 --- /dev/null +++ b/js/jquery.textarea.js @@ -0,0 +1,267 @@ +/* + * Tabby jQuery plugin version 0.12 + * + * Ted Devito - http://teddevito.com/demos/textarea.html + * + * Copyright (c) 2009 Ted Devito + * + * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +// create closure + +(function($) { + + // plugin definition + + $.fn.tabby = function(options) { + //debug(this); + // build main options before element iteration + var opts = $.extend({}, $.fn.tabby.defaults, options); + var pressed = $.fn.tabby.pressed; + + // iterate and reformat each matched element + return this.each(function() { + $this = $(this); + + // build element specific options + var options = $.meta ? $.extend({}, opts, $this.data()) : opts; + + $this.bind('keydown',function (e) { + var kc = $.fn.tabby.catch_kc(e); + if (16 == kc) pressed.shft = true; + /* + because both CTRL+TAB and ALT+TAB default to an event (changing tab/window) that + will prevent js from capturing the keyup event, we'll set a timer on releasing them. + */ + if (17 == kc) {pressed.ctrl = true; setTimeout("$.fn.tabby.pressed.ctrl = false;",1000);} + if (18 == kc) {pressed.alt = true; setTimeout("$.fn.tabby.pressed.alt = false;",1000);} + + if (9 == kc && !pressed.ctrl && !pressed.alt) { + e.preventDefault; // does not work in O9.63 ?? + pressed.last = kc; setTimeout("$.fn.tabby.pressed.last = null;",0); + process_keypress ($(e.target).get(0), pressed.shft, options); + return false; + } + + }).bind('keyup',function (e) { + if (16 == $.fn.tabby.catch_kc(e)) pressed.shft = false; + }).bind('blur',function (e) { // workaround for Opera -- http://www.webdeveloper.com/forum/showthread.php?p=806588 + if (9 == pressed.last) $(e.target).one('focus',function (e) {pressed.last = null;}).get(0).focus(); + }); + + }); + }; + + // define and expose any extra methods + $.fn.tabby.catch_kc = function(e) { return e.keyCode ? e.keyCode : e.charCode ? e.charCode : e.which; }; + $.fn.tabby.pressed = {shft : false, ctrl : false, alt : false, last: null}; + + // private function for debugging + function debug($obj) { + if (window.console && window.console.log) + window.console.log('textarea count: ' + $obj.size()); + }; + + function process_keypress (o,shft,options) { + var scrollTo = o.scrollTop; + //var tabString = String.fromCharCode(9); + + // gecko; o.setSelectionRange is only available when the text box has focus + if (o.setSelectionRange) gecko_tab (o, shft, options); + + // ie; document.selection is always available + else if (document.selection) ie_tab (o, shft, options); + + o.scrollTop = scrollTo; + } + + // plugin defaults + $.fn.tabby.defaults = {tabString : String.fromCharCode(9)}; + + function gecko_tab (o, shft, options) { + var ss = o.selectionStart; + var es = o.selectionEnd; + + // when there's no selection and we're just working with the caret, we'll add/remove the tabs at the caret, providing more control + if(ss == es) { + // SHIFT+TAB + if (shft) { + // check to the left of the caret first + if ("\t" == o.value.substring(ss-options.tabString.length, ss)) { + o.value = o.value.substring(0, ss-options.tabString.length) + o.value.substring(ss); // put it back together omitting one character to the left + o.focus(); + o.setSelectionRange(ss - options.tabString.length, ss - options.tabString.length); + } + // then check to the right of the caret + else if ("\t" == o.value.substring(ss, ss + options.tabString.length)) { + o.value = o.value.substring(0, ss) + o.value.substring(ss + options.tabString.length); // put it back together omitting one character to the right + o.focus(); + o.setSelectionRange(ss,ss); + } + } + // TAB + else { + o.value = o.value.substring(0, ss) + options.tabString + o.value.substring(ss); + o.focus(); + o.setSelectionRange(ss + options.tabString.length, ss + options.tabString.length); + } + } + // selections will always add/remove tabs from the start of the line + else { + // split the textarea up into lines and figure out which lines are included in the selection + var lines = o.value.split("\n"); + var indices = new Array(); + var sl = 0; // start of the line + var el = 0; // end of the line + var sel = false; + for (var i in lines) { + el = sl + lines[i].length; + indices.push({start: sl, end: el, selected: (sl <= ss && el > ss) || (el >= es && sl < es) || (sl > ss && el < es)}); + sl = el + 1;// for "\n" + } + + // walk through the array of lines (indices) and add tabs where appropriate + var modifier = 0; + for (var i in indices) { + if (indices[i].selected) { + var pos = indices[i].start + modifier; // adjust for tabs already inserted/removed + // SHIFT+TAB + if (shft && options.tabString == o.value.substring(pos,pos+options.tabString.length)) { // only SHIFT+TAB if there's a tab at the start of the line + o.value = o.value.substring(0,pos) + o.value.substring(pos + options.tabString.length); // omit the tabstring to the right + modifier -= options.tabString.length; + } + // TAB + else if (!shft) { + o.value = o.value.substring(0,pos) + options.tabString + o.value.substring(pos); // insert the tabstring + modifier += options.tabString.length; + } + } + } + o.focus(); + var ns = ss + ((modifier > 0) ? options.tabString.length : (modifier < 0) ? -options.tabString.length : 0); + var ne = es + modifier; + o.setSelectionRange(ns,ne); + } + } + + function ie_tab (o, shft, options) { + var range = document.selection.createRange(); + + if (o == range.parentElement()) { + // when there's no selection and we're just working with the caret, we'll add/remove the tabs at the caret, providing more control + if ('' == range.text) { + // SHIFT+TAB + if (shft) { + var bookmark = range.getBookmark(); + //first try to the left by moving opening up our empty range to the left + range.moveStart('character', -options.tabString.length); + if (options.tabString == range.text) { + range.text = ''; + } else { + // if that didn't work then reset the range and try opening it to the right + range.moveToBookmark(bookmark); + range.moveEnd('character', options.tabString.length); + if (options.tabString == range.text) + range.text = ''; + } + // move the pointer to the start of them empty range and select it + range.collapse(true); + range.select(); + } + + else { + // very simple here. just insert the tab into the range and put the pointer at the end + range.text = options.tabString; + range.collapse(false); + range.select(); + } + } + // selections will always add/remove tabs from the start of the line + else { + + var selection_text = range.text; + var selection_len = selection_text.length; + var selection_arr = selection_text.split("\r\n"); + + var before_range = document.body.createTextRange(); + before_range.moveToElementText(o); + before_range.setEndPoint("EndToStart", range); + var before_text = before_range.text; + var before_arr = before_text.split("\r\n"); + var before_len = before_text.length; // - before_arr.length + 1; + + var after_range = document.body.createTextRange(); + after_range.moveToElementText(o); + after_range.setEndPoint("StartToEnd", range); + var after_text = after_range.text; // we can accurately calculate distance to the end because we're not worried about MSIE trimming a \r\n + + var end_range = document.body.createTextRange(); + end_range.moveToElementText(o); + end_range.setEndPoint("StartToEnd", before_range); + var end_text = end_range.text; // we can accurately calculate distance to the end because we're not worried about MSIE trimming a \r\n + + var check_html = $(o).html(); + $("#r3").text(before_len + " + " + selection_len + " + " + after_text.length + " = " + check_html.length); + if((before_len + end_text.length) < check_html.length) { + before_arr.push(""); + before_len += 2; // for the \r\n that was trimmed + if (shft && options.tabString == selection_arr[0].substring(0,options.tabString.length)) + selection_arr[0] = selection_arr[0].substring(options.tabString.length); + else if (!shft) selection_arr[0] = options.tabString + selection_arr[0]; + } else { + if (shft && options.tabString == before_arr[before_arr.length-1].substring(0,options.tabString.length)) + before_arr[before_arr.length-1] = before_arr[before_arr.length-1].substring(options.tabString.length); + else if (!shft) before_arr[before_arr.length-1] = options.tabString + before_arr[before_arr.length-1]; + } + + for (var i = 1; i < selection_arr.length; i++) { + if (shft && options.tabString == selection_arr[i].substring(0,options.tabString.length)) + selection_arr[i] = selection_arr[i].substring(options.tabString.length); + else if (!shft) selection_arr[i] = options.tabString + selection_arr[i]; + } + + if (1 == before_arr.length && 0 == before_len) { + if (shft && options.tabString == selection_arr[0].substring(0,options.tabString.length)) + selection_arr[0] = selection_arr[0].substring(options.tabString.length); + else if (!shft) selection_arr[0] = options.tabString + selection_arr[0]; + } + + if ((before_len + selection_len + after_text.length) < check_html.length) { + selection_arr.push(""); + selection_len += 2; // for the \r\n that was trimmed + } + + before_range.text = before_arr.join("\r\n"); + range.text = selection_arr.join("\r\n"); + + var new_range = document.body.createTextRange(); + new_range.moveToElementText(o); + + if (0 < before_len) new_range.setEndPoint("StartToEnd", before_range); + else new_range.setEndPoint("StartToStart", before_range); + new_range.setEndPoint("EndToEnd", range); + + new_range.select(); + + } + } + } + +// end of closure +})(jQuery);