Make sure that inline markups inserted by wiki toolbar are surrounded by whitespaces...

Patch by Mizuki ISHIKAWA.

git-svn-id: http://svn.redmine.org/redmine/trunk@17347 e93f8b46-1217-0410-a6f0-8f06a7374b81

diff --git a/public/javascripts/jstoolbar/jstoolbar-textile.min.js b/public/javascripts/jstoolbar/jstoolbar-textile.min.js
index 5120750c86ca08c140d0850bb750ebba6fe25613..e087d1cf29d7e13f22fe3f83236d618d3f0a1d37 100644 (file)
--- a/public/javascripts/jstoolbar/jstoolbar-textile.min.js
+++ b/public/javascripts/jstoolbar/jstoolbar-textile.min.js
@@ -1 +1 @@
-function jsToolBar(e){if(document.createElement&&e&&("undefined"!=typeof document.selection||"undefined"!=typeof e.setSelectionRange)){if(this.textarea=e,this.editor=document.createElement("div"),this.editor.className="jstEditor",this.textarea.parentNode.insertBefore(this.editor,this.textarea),this.editor.appendChild(this.textarea),this.toolbar=document.createElement("div"),this.toolbar.className="jstElements",this.editor.parentNode.insertBefore(this.toolbar,this.editor),this.editor.addEventListener&&navigator.appVersion.match(/\bMSIE\b/)){this.handle=document.createElement("div"),this.handle.className="jstHandle";var t=this.resizeDragStart,n=this;this.handle.addEventListener("mousedown",function(e){t.call(n,e)},!1),window.addEventListener("unload",function(){n.handle.parentNode.removeChild(n.handle);delete n.handle},!1),this.editor.parentNode.insertBefore(this.handle,this.editor.nextSibling)}this.context=null,this.toolNodes={}}}function jsButton(e,t,n,o){"undefined"==typeof jsToolBar.strings?this.title=e||null:this.title=jsToolBar.strings[e]||e||null,this.fn=t||function(){},this.scope=n||null,this.className=o||null}function jsSpace(e){this.id=e||null,this.width=null}function jsCombo(e,t,n,o,i){this.title=e||null,this.options=t||null,this.scope=n||null,this.fn=o||function(){},this.className=i||null}jsButton.prototype.draw=function(){if(!this.scope)return null;var e=document.createElement("button");e.setAttribute("type","button"),e.tabIndex=200,this.className&&(e.className=this.className),e.title=this.title;var t=document.createElement("span");if(t.appendChild(document.createTextNode(this.title)),e.appendChild(t),void 0!=this.icon&&(e.style.backgroundImage="url("+this.icon+")"),"function"==typeof this.fn){var n=this;e.onclick=function(){try{n.fn.apply(n.scope,arguments)}catch(e){}return!1}}return e},jsSpace.prototype.draw=function(){var e=document.createElement("span");return this.id&&(e.id=this.id),e.appendChild(document.createTextNode(String.fromCharCode(160))),e.className="jstSpacer",this.width&&(e.style.marginRight=this.width+"px"),e},jsCombo.prototype.draw=function(){if(!this.scope||!this.options)return null;var e=document.createElement("select");this.className&&(e.className=className),e.title=this.title;for(var t in this.options){var n=document.createElement("option");n.value=t,n.appendChild(document.createTextNode(this.options[t])),e.appendChild(n)}var o=this;return e.onchange=function(){try{o.fn.call(o.scope,this.value)}catch(e){alert(e)}return!1},e},jsToolBar.prototype={base_url:"",mode:"wiki",elements:{},help_link:"",getMode:function(){return this.mode},setMode:function(e){this.mode=e||"wiki"},switchMode:function(e){e=e||"wiki",this.draw(e)},setHelpLink:function(e){this.help_link=e},button:function(e){var t=this.elements[e];if("function"!=typeof t.fn[this.mode])return null;var n=new jsButton(t.title,t.fn[this.mode],this,"jstb_"+e);return void 0!=t.icon&&(n.icon=t.icon),n},space:function(e){var t=new jsSpace(e);return void 0!==this.elements[e].width&&(t.width=this.elements[e].width),t},combo:function(e){var t=this.elements[e],n=t[this.mode].list.length;if("function"!=typeof t[this.mode].fn||0==n)return null;for(var o={},i=0;n>i;i++){var s=t[this.mode].list[i];o[s]=t.options[s]}return new jsCombo(t.title,o,this,t[this.mode].fn)},draw:function(e){for(this.setMode(e);this.toolbar.hasChildNodes();)this.toolbar.removeChild(this.toolbar.firstChild);this.toolNodes={};var t,n,o;for(var i in this.elements){t=this.elements[i];var s=void 0==t.type||""==t.type||void 0!=t.disabled&&t.disabled||void 0!=t.context&&null!=t.context&&t.context!=this.context;s||"function"!=typeof this[t.type]||(n=this[t.type](i),n&&(o=n.draw()),o&&(this.toolNodes[i]=o,this.toolbar.appendChild(o)))}},singleTag:function(e,t){e=e||null,t=t||e,e&&t&&this.encloseSelection(e,t)},encloseLineSelection:function(e,t,n){this.textarea.focus(),e=e||"",t=t||"";var o,i,s,l,a,r;if("undefined"!=typeof document.selection?s=document.selection.createRange().text:"undefined"!=typeof this.textarea.setSelectionRange&&(o=this.textarea.selectionStart,i=this.textarea.selectionEnd,l=this.textarea.scrollTop,o=this.textarea.value.substring(0,o).replace(/[^\r\n]*$/g,"").length,i=this.textarea.value.length-this.textarea.value.substring(i,this.textarea.value.length).replace(/^[^\r\n]*/,"").length,s=this.textarea.value.substring(o,i)),s.match(/ $/)&&(s=s.substring(0,s.length-1),t+=" "),r="function"==typeof n?s?n.call(this,s):n(""):s?s:"",a=e+r+t,"undefined"!=typeof document.selection){document.selection.createRange().text=a;var c=this.textarea.createTextRange();c.collapse(!1),c.move("character",-t.length),c.select()}else"undefined"!=typeof this.textarea.setSelectionRange&&(this.textarea.value=this.textarea.value.substring(0,o)+a+this.textarea.value.substring(i),s?this.textarea.setSelectionRange(o+a.length,o+a.length):this.textarea.setSelectionRange(o+e.length,o+e.length),this.textarea.scrollTop=l)},encloseSelection:function(e,t,n){this.textarea.focus(),e=e||"",t=t||"";var o,i,s,l,a,r;if("undefined"!=typeof document.selection?s=document.selection.createRange().text:"undefined"!=typeof this.textarea.setSelectionRange&&(o=this.textarea.selectionStart,i=this.textarea.selectionEnd,l=this.textarea.scrollTop,s=this.textarea.value.substring(o,i)),s.match(/ $/)&&(s=s.substring(0,s.length-1),t+=" "),r="function"==typeof n?s?n.call(this,s):n(""):s?s:"",a=e+r+t,"undefined"!=typeof document.selection){document.selection.createRange().text=a;var c=this.textarea.createTextRange();c.collapse(!1),c.move("character",-t.length),c.select()}else"undefined"!=typeof this.textarea.setSelectionRange&&(this.textarea.value=this.textarea.value.substring(0,o)+a+this.textarea.value.substring(i),s?this.textarea.setSelectionRange(o+a.length,o+a.length):this.textarea.setSelectionRange(o+e.length,o+e.length),this.textarea.scrollTop=l)},stripBaseURL:function(e){if(""!=this.base_url){var t=e.indexOf(this.base_url);0==t&&(e=e.substr(this.base_url.length))}return e}},jsToolBar.prototype.resizeSetStartH=function(){this.dragStartH=this.textarea.offsetHeight+0},jsToolBar.prototype.resizeDragStart=function(e){var t=this;this.dragStartY=e.clientY,this.resizeSetStartH(),document.addEventListener("mousemove",this.dragMoveHdlr=function(e){t.resizeDragMove(e)},!1),document.addEventListener("mouseup",this.dragStopHdlr=function(e){t.resizeDragStop(e)},!1)},jsToolBar.prototype.resizeDragMove=function(e){this.textarea.style.height=this.dragStartH+e.clientY-this.dragStartY+"px"},jsToolBar.prototype.resizeDragStop=function(e){document.removeEventListener("mousemove",this.dragMoveHdlr,!1),document.removeEventListener("mouseup",this.dragStopHdlr,!1)},jsToolBar.prototype.precodeMenu=function(e){for(var t=["c","clojure","cpp","css","delphi","diff","erb","go","groovy","haml","html","java","javascript","json","lua","php","python","ruby","sass","sql","taskpaper","text","xml","yaml"],n=$("<ul style='position:absolute;'></ul>"),o=0;o<t.length;o++)$("<li></li>").text(t[o]).appendTo(n).mousedown(function(){e($(this).text())});return $("body").append(n),n.menu().width(150).position({my:"left top",at:"left bottom",of:this.toolNodes.precode}),$(document).on("mousedown",function(){n.remove()}),!1},jsToolBar.prototype.elements.strong={type:"button",title:"Strong",fn:{wiki:function(){this.singleTag("*")}}},jsToolBar.prototype.elements.em={type:"button",title:"Italic",fn:{wiki:function(){this.singleTag("_")}}},jsToolBar.prototype.elements.ins={type:"button",title:"Underline",fn:{wiki:function(){this.singleTag("+")}}},jsToolBar.prototype.elements.del={type:"button",title:"Deleted",fn:{wiki:function(){this.singleTag("-")}}},jsToolBar.prototype.elements.code={type:"button",title:"Code",fn:{wiki:function(){this.singleTag("@")}}},jsToolBar.prototype.elements.space1={type:"space"},jsToolBar.prototype.elements.h1={type:"button",title:"Heading 1",fn:{wiki:function(){this.encloseLineSelection("h1. ","",function(e){return e=e.replace(/^h\d+\.\s+/,"")})}}},jsToolBar.prototype.elements.h2={type:"button",title:"Heading 2",fn:{wiki:function(){this.encloseLineSelection("h2. ","",function(e){return e=e.replace(/^h\d+\.\s+/,"")})}}},jsToolBar.prototype.elements.h3={type:"button",title:"Heading 3",fn:{wiki:function(){this.encloseLineSelection("h3. ","",function(e){return e=e.replace(/^h\d+\.\s+/,"")})}}},jsToolBar.prototype.elements.space2={type:"space"},jsToolBar.prototype.elements.ul={type:"button",title:"Unordered list",fn:{wiki:function(){this.encloseLineSelection("","",function(e){return e=e.replace(/\r/g,""),e.replace(/(\n|^)[#-]?\s*/g,"$1* ")})}}},jsToolBar.prototype.elements.ol={type:"button",title:"Ordered list",fn:{wiki:function(){this.encloseLineSelection("","",function(e){return e=e.replace(/\r/g,""),e.replace(/(\n|^)[*-]?\s*/g,"$1# ")})}}},jsToolBar.prototype.elements.space3={type:"space"},jsToolBar.prototype.elements.bq={type:"button",title:"Quote",fn:{wiki:function(){this.encloseLineSelection("","",function(e){return e=e.replace(/\r/g,""),e.replace(/(\n|^) *([^\n]*)/g,"$1> $2")})}}},jsToolBar.prototype.elements.unbq={type:"button",title:"Unquote",fn:{wiki:function(){this.encloseLineSelection("","",function(e){return e=e.replace(/\r/g,""),e.replace(/(\n|^) *[>]? *([^\n]*)/g,"$1$2")})}}},jsToolBar.prototype.elements.pre={type:"button",title:"Preformatted text",fn:{wiki:function(){this.encloseLineSelection("<pre>\n","\n</pre>")}}},jsToolBar.prototype.elements.precode={type:"button",title:"Highlighted code",fn:{wiki:function(){var e=this;this.precodeMenu(function(t){e.encloseLineSelection('<pre><code class="'+t+'">\n',"\n</code></pre>\n")})}}},jsToolBar.prototype.elements.space4={type:"space"},jsToolBar.prototype.elements.link={type:"button",title:"Wiki link",fn:{wiki:function(){this.encloseSelection("[[","]]")}}},jsToolBar.prototype.elements.img={type:"button",title:"Image",fn:{wiki:function(){this.encloseSelection("!","!")}}},jsToolBar.prototype.elements.space5={type:"space"},jsToolBar.prototype.elements.help={type:"button",title:"Help",fn:{wiki:function(){window.open(this.help_link,"","resizable=yes, location=no, width=300, height=640, menubar=no, status=no, scrollbars=yes")}}};
+function jsToolBar(e){if(document.createElement&&e&&("undefined"!=typeof document.selection||"undefined"!=typeof e.setSelectionRange)){if(this.textarea=e,this.editor=document.createElement("div"),this.editor.className="jstEditor",this.textarea.parentNode.insertBefore(this.editor,this.textarea),this.editor.appendChild(this.textarea),this.toolbar=document.createElement("div"),this.toolbar.className="jstElements",this.editor.parentNode.insertBefore(this.toolbar,this.editor),this.editor.addEventListener&&navigator.appVersion.match(/\bMSIE\b/)){this.handle=document.createElement("div"),this.handle.className="jstHandle";var t=this.resizeDragStart,n=this;this.handle.addEventListener("mousedown",function(e){t.call(n,e)},!1),window.addEventListener("unload",function(){n.handle.parentNode.removeChild(n.handle);delete n.handle},!1),this.editor.parentNode.insertBefore(this.handle,this.editor.nextSibling)}this.context=null,this.toolNodes={}}}function jsButton(e,t,n,o){"undefined"==typeof jsToolBar.strings?this.title=e||null:this.title=jsToolBar.strings[e]||e||null,this.fn=t||function(){},this.scope=n||null,this.className=o||null}function jsSpace(e){this.id=e||null,this.width=null}function jsCombo(e,t,n,o,i){this.title=e||null,this.options=t||null,this.scope=n||null,this.fn=o||function(){},this.className=i||null}jsButton.prototype.draw=function(){if(!this.scope)return null;var e=document.createElement("button");e.setAttribute("type","button"),e.tabIndex=200,this.className&&(e.className=this.className),e.title=this.title;var t=document.createElement("span");if(t.appendChild(document.createTextNode(this.title)),e.appendChild(t),void 0!=this.icon&&(e.style.backgroundImage="url("+this.icon+")"),"function"==typeof this.fn){var n=this;e.onclick=function(){try{n.fn.apply(n.scope,arguments)}catch(e){}return!1}}return e},jsSpace.prototype.draw=function(){var e=document.createElement("span");return this.id&&(e.id=this.id),e.appendChild(document.createTextNode(String.fromCharCode(160))),e.className="jstSpacer",this.width&&(e.style.marginRight=this.width+"px"),e},jsCombo.prototype.draw=function(){if(!this.scope||!this.options)return null;var e=document.createElement("select");this.className&&(e.className=className),e.title=this.title;for(var t in this.options){var n=document.createElement("option");n.value=t,n.appendChild(document.createTextNode(this.options[t])),e.appendChild(n)}var o=this;return e.onchange=function(){try{o.fn.call(o.scope,this.value)}catch(e){alert(e)}return!1},e},jsToolBar.prototype={base_url:"",mode:"wiki",elements:{},help_link:"",getMode:function(){return this.mode},setMode:function(e){this.mode=e||"wiki"},switchMode:function(e){e=e||"wiki",this.draw(e)},setHelpLink:function(e){this.help_link=e},button:function(e){var t=this.elements[e];if("function"!=typeof t.fn[this.mode])return null;var n=new jsButton(t.title,t.fn[this.mode],this,"jstb_"+e);return void 0!=t.icon&&(n.icon=t.icon),n},space:function(e){var t=new jsSpace(e);return void 0!==this.elements[e].width&&(t.width=this.elements[e].width),t},combo:function(e){var t=this.elements[e],n=t[this.mode].list.length;if("function"!=typeof t[this.mode].fn||0==n)return null;for(var o={},i=0;n>i;i++){var s=t[this.mode].list[i];o[s]=t.options[s]}return new jsCombo(t.title,o,this,t[this.mode].fn)},draw:function(e){for(this.setMode(e);this.toolbar.hasChildNodes();)this.toolbar.removeChild(this.toolbar.firstChild);this.toolNodes={};var t,n,o;for(var i in this.elements){t=this.elements[i];var s=void 0==t.type||""==t.type||void 0!=t.disabled&&t.disabled||void 0!=t.context&&null!=t.context&&t.context!=this.context;s||"function"!=typeof this[t.type]||(n=this[t.type](i),n&&(o=n.draw()),o&&(this.toolNodes[i]=o,this.toolbar.appendChild(o)))}},singleTag:function(e,t){e=e||null,t=t||e,e&&t&&this.encloseSelection(e,t)},encloseLineSelection:function(e,t,n){this.textarea.focus(),e=e||"",t=t||"";var o,i,s,l,a,r;if("undefined"!=typeof document.selection?s=document.selection.createRange().text:"undefined"!=typeof this.textarea.setSelectionRange&&(o=this.textarea.selectionStart,i=this.textarea.selectionEnd,l=this.textarea.scrollTop,o=this.textarea.value.substring(0,o).replace(/[^\r\n]*$/g,"").length,i=this.textarea.value.length-this.textarea.value.substring(i,this.textarea.value.length).replace(/^[^\r\n]*/,"").length,s=this.textarea.value.substring(o,i)),s.match(/ $/)&&(s=s.substring(0,s.length-1),t+=" "),r="function"==typeof n?s?n.call(this,s):n(""):s?s:"",a=e+r+t,"undefined"!=typeof document.selection){document.selection.createRange().text=a;var c=this.textarea.createTextRange();c.collapse(!1),c.move("character",-t.length),c.select()}else"undefined"!=typeof this.textarea.setSelectionRange&&(this.textarea.value=this.textarea.value.substring(0,o)+a+this.textarea.value.substring(i),s?this.textarea.setSelectionRange(o+a.length,o+a.length):this.textarea.setSelectionRange(o+e.length,o+e.length),this.textarea.scrollTop=l)},encloseSelection:function(e,t,n){this.textarea.focus(),e=e||"",t=t||"";var o,i,s,l,a,r;if("undefined"!=typeof document.selection?s=document.selection.createRange().text:"undefined"!=typeof this.textarea.setSelectionRange&&(o=this.textarea.selectionStart,i=this.textarea.selectionEnd,l=this.textarea.scrollTop,s=this.textarea.value.substring(o,i),o>0&&this.textarea.value.substr(o-1, 1).match(/\S/)&&(e=" "+e),this.textarea.value.substr(i, 1).match(/\S/)&&(t=t+" ")),s.match(/ $/)&&(s=s.substring(0,s.length-1),t+=" "),r="function"==typeof n?s?n.call(this,s):n(""):s?s:"",a=e+r+t,"undefined"!=typeof document.selection){document.selection.createRange().text=a;var c=this.textarea.createTextRange();c.collapse(!1),c.move("character",-t.length),c.select()}else"undefined"!=typeof this.textarea.setSelectionRange&&(this.textarea.value=this.textarea.value.substring(0,o)+a+this.textarea.value.substring(i),s?this.textarea.setSelectionRange(o+a.length,o+a.length):this.textarea.setSelectionRange(o+e.length,o+e.length),this.textarea.scrollTop=l)},stripBaseURL:function(e){if(""!=this.base_url){var t=e.indexOf(this.base_url);0==t&&(e=e.substr(this.base_url.length))}return e}},jsToolBar.prototype.resizeSetStartH=function(){this.dragStartH=this.textarea.offsetHeight+0},jsToolBar.prototype.resizeDragStart=function(e){var t=this;this.dragStartY=e.clientY,this.resizeSetStartH(),document.addEventListener("mousemove",this.dragMoveHdlr=function(e){t.resizeDragMove(e)},!1),document.addEventListener("mouseup",this.dragStopHdlr=function(e){t.resizeDragStop(e)},!1)},jsToolBar.prototype.resizeDragMove=function(e){this.textarea.style.height=this.dragStartH+e.clientY-this.dragStartY+"px"},jsToolBar.prototype.resizeDragStop=function(e){document.removeEventListener("mousemove",this.dragMoveHdlr,!1),document.removeEventListener("mouseup",this.dragStopHdlr,!1)},jsToolBar.prototype.precodeMenu=function(e){for(var t=["c","clojure","cpp","css","delphi","diff","erb","go","groovy","haml","html","java","javascript","json","lua","php","python","ruby","sass","sql","taskpaper","text","xml","yaml"],n=$("<ul style='position:absolute;'></ul>"),o=0;o<t.length;o++)$("<li></li>").text(t[o]).appendTo(n).mousedown(function(){e($(this).text())});return $("body").append(n),n.menu().width(150).position({my:"left top",at:"left bottom",of:this.toolNodes.precode}),$(document).on("mousedown",function(){n.remove()}),!1},jsToolBar.prototype.elements.strong={type:"button",title:"Strong",fn:{wiki:function(){this.singleTag("*")}}},jsToolBar.prototype.elements.em={type:"button",title:"Italic",fn:{wiki:function(){this.singleTag("_")}}},jsToolBar.prototype.elements.ins={type:"button",title:"Underline",fn:{wiki:function(){this.singleTag("+")}}},jsToolBar.prototype.elements.del={type:"button",title:"Deleted",fn:{wiki:function(){this.singleTag("-")}}},jsToolBar.prototype.elements.code={type:"button",title:"Code",fn:{wiki:function(){this.singleTag("@")}}},jsToolBar.prototype.elements.space1={type:"space"},jsToolBar.prototype.elements.h1={type:"button",title:"Heading 1",fn:{wiki:function(){this.encloseLineSelection("h1. ","",function(e){return e=e.replace(/^h\d+\.\s+/,"")})}}},jsToolBar.prototype.elements.h2={type:"button",title:"Heading 2",fn:{wiki:function(){this.encloseLineSelection("h2. ","",function(e){return e=e.replace(/^h\d+\.\s+/,"")})}}},jsToolBar.prototype.elements.h3={type:"button",title:"Heading 3",fn:{wiki:function(){this.encloseLineSelection("h3. ","",function(e){return e=e.replace(/^h\d+\.\s+/,"")})}}},jsToolBar.prototype.elements.space2={type:"space"},jsToolBar.prototype.elements.ul={type:"button",title:"Unordered list",fn:{wiki:function(){this.encloseLineSelection("","",function(e){return e=e.replace(/\r/g,""),e.replace(/(\n|^)[#-]?\s*/g,"$1* ")})}}},jsToolBar.prototype.elements.ol={type:"button",title:"Ordered list",fn:{wiki:function(){this.encloseLineSelection("","",function(e){return e=e.replace(/\r/g,""),e.replace(/(\n|^)[*-]?\s*/g,"$1# ")})}}},jsToolBar.prototype.elements.space3={type:"space"},jsToolBar.prototype.elements.bq={type:"button",title:"Quote",fn:{wiki:function(){this.encloseLineSelection("","",function(e){return e=e.replace(/\r/g,""),e.replace(/(\n|^) *([^\n]*)/g,"$1> $2")})}}},jsToolBar.prototype.elements.unbq={type:"button",title:"Unquote",fn:{wiki:function(){this.encloseLineSelection("","",function(e){return e=e.replace(/\r/g,""),e.replace(/(\n|^) *[>]? *([^\n]*)/g,"$1$2")})}}},jsToolBar.prototype.elements.pre={type:"button",title:"Preformatted text",fn:{wiki:function(){this.encloseLineSelection("<pre>\n","\n</pre>")}}},jsToolBar.prototype.elements.precode={type:"button",title:"Highlighted code",fn:{wiki:function(){var e=this;this.precodeMenu(function(t){e.encloseLineSelection('<pre><code class="'+t+'">\n',"\n</code></pre>\n")})}}},jsToolBar.prototype.elements.space4={type:"space"},jsToolBar.prototype.elements.link={type:"button",title:"Wiki link",fn:{wiki:function(){this.encloseSelection("[[","]]")}}},jsToolBar.prototype.elements.img={type:"button",title:"Image",fn:{wiki:function(){this.encloseSelection("!","!")}}},jsToolBar.prototype.elements.space5={type:"space"},jsToolBar.prototype.elements.help={type:"button",title:"Help",fn:{wiki:function(){window.open(this.help_link,"","resizable=yes, location=no, width=300, height=640, menubar=no, status=no, scrollbars=yes")}}};

diff --git a/public/javascripts/jstoolbar/jstoolbar.js b/public/javascripts/jstoolbar/jstoolbar.js
index a7b4afa4fc17b8370cf9fb3ad4e3e36ea6b63e7f..bbda5f8b84f1029765c35b42eadb16e0d633189d 100644 (file)
--- a/public/javascripts/jstoolbar/jstoolbar.js
+++ b/public/javascripts/jstoolbar/jstoolbar.js
@@ -305,8 +305,13 @@ jsToolBar.prototype = {
       end = this.textarea.selectionEnd;
       scrollPos = this.textarea.scrollTop;
       sel = this.textarea.value.substring(start, end);
+      if (start > 0 && this.textarea.value.substr(start-1, 1).match(/\S/)) {
+        prefix = ' ' + prefix;
+      }
+      if (this.textarea.value.substr(end, 1).match(/\S/)) {
+        suffix = suffix + ' ';
+      }
     }
-
     if (sel.match(/ $/)) { // exclude ending space char, if any
       sel = sel.substring(0, sel.length - 1);
       suffix = suffix + " ";