From bbf765bee7724e565d8a4dd5c539c149def12c4e Mon Sep 17 00:00:00 2001 From: Neil Jenkins Date: Mon, 30 Jun 2014 15:10:30 +0100 Subject: [PATCH] Ensure there is always a selection. Many functions rely on there being a selection; if the browser doesn't return one, make one up (collapsed, at beginning of document). --- build/squire-raw.js | 22 ++++++++++++++-------- build/squire.js | 4 ++-- source/Editor.js | 22 ++++++++++++++-------- 3 files changed, 30 insertions(+), 18 deletions(-) diff --git a/build/squire-raw.js b/build/squire-raw.js index 913014b..f6a8fe6 100644 --- a/build/squire-raw.js +++ b/build/squire-raw.js @@ -1401,21 +1401,21 @@ proto.setSelection = function ( range ) { }; proto.getSelection = function () { - var sel = this._sel; + var sel = this._sel, + selection, startContainer, endContainer; if ( sel.rangeCount ) { - var lastSelection = this._lastSelection = - sel.getRangeAt( 0 ).cloneRange(); - var startContainer = lastSelection.startContainer, - endContainer = lastSelection.endContainer; + selection = sel.getRangeAt( 0 ).cloneRange(); + startContainer = selection.startContainer; + endContainer = selection.endContainer; // FF sometimes throws an error reading the isLeaf property. Let's // catch and log it to see if we can find what's going on. try { // FF can return the selection as being inside an . WTF? if ( startContainer && isLeaf( startContainer ) ) { - lastSelection.setStartBefore( startContainer ); + selection.setStartBefore( startContainer ); } if ( endContainer && isLeaf( endContainer ) ) { - lastSelection.setEndBefore( endContainer ); + selection.setEndBefore( endContainer ); } } catch ( error ) { this.didError({ @@ -1424,8 +1424,14 @@ proto.getSelection = function () { '\nEnds: ' + endContainer.nodeName }); } + this._lastSelection = selection; + } else { + selection = this._lastSelection; } - return this._lastSelection; + if ( !selection ) { + selection = this._createRange( this._body.firstChild, 0 ); + } + return selection; }; proto.getSelectedText = function () { diff --git a/build/squire.js b/build/squire.js index 6840811..40cbc89 100644 --- a/build/squire.js +++ b/build/squire.js @@ -1,2 +1,2 @@ -!function(e,t){"use strict";function n(e,t,n){this.root=this.currentNode=e,this.nodeType=t,this.filter=n}function r(e,t){for(var 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t,n,r,o=e.querySelectorAll("BR"),i=[],a=o.length;for(t=0;a>t;t+=1)i[t]=qt(o[t]);for(;a--;)if(n=o[a],r=n.parentNode){for(;s(r);)r=r.parentNode;d(r)&&Tt[r.nodeName]?(i[a]&&Bt(r,n.parentNode,n),v(n)):B(r)}};Ct._ensureBottomLine=function(){var e=this._body,t=e.lastChild;t&&"DIV"===t.nodeName&&d(t)||e.appendChild(this.createDefaultBlock())},Ct._onCut=function(){var e=this.getSelection(),t=this;this._recordUndoState(e),this._getRangeAndRemoveBookmark(e),this.setSelection(e),setTimeout(function(){try{t._ensureBottomLine()}catch(e){t.didError(e)}},0)},Ct._onPaste=function(e){if(!this._awaitingPaste){var t,n,r=e.clipboardData,o=r&&r.items,i=!1,a=!1;if(o){for(t=o.length;t--;){if(n=o[t].type,"text/html"===n){a=!1;break}/^image\/.*/.test(n)&&(a=!0)}if(a)return e.preventDefault(),this.fireEvent("dragover",{dataTransfer:r,preventDefault:function(){i=!0}}),i&&this.fireEvent("drop",{dataTransfer:r}),void 0}this._awaitingPaste=!0;var s=this,d=this._body,l=this.getSelection(),c=l.startContainer,f=l.startOffset,h=l.endContainer,p=l.endOffset,m=this.createElement("DIV",{style:"position: absolute; overflow: hidden; top:"+(d.scrollTop+30)+"px; left: 0; width: 1px; height: 1px;"});d.appendChild(m),l.selectNodeContents(m),this.setSelection(l),setTimeout(function(){try{var e=S(v(m)),t=e.firstChild,n=s._createRange(c,f,h,p);if(t){t===e.lastChild&&"DIV"===t.nodeName&&e.replaceChild(S(t),t),e.normalize(),Ut(e),Kt(e,!1),Zt(e),Wt(e);for(var r=e,o=!0;r=u(r);)C(r);s.fireEvent("willPaste",{fragment:e,preventDefault:function(){o=!1}}),o&&(ft(n,e),s._docWasChanged(),n.collapse(!1),s._ensureBottomLine())}s.setSelection(n),s._updatePath(n,!0),s._awaitingPaste=!1}catch(i){s.didError(i)}},0)}};var Qt={8:"backspace",9:"tab",13:"enter",32:"space",37:"left",39:"right",46:"delete",219:"[",221:"]"},Gt=function(e){return function(t,n){n.preventDefault(),t[e]()}},$t=function(e,t){return t=t||null,function(n,r){r.preventDefault();var o=n.getSelection();n.hasFormat(e,null,o)?n.changeFormat(null,{tag:e},o):n.changeFormat({tag:e},t,o)}},Yt=function(e){try{var t,n=e.getSelection(),r=n.startContainer;if(r.nodeType===O&&(r=r.parentNode),s(r)&&!r.textContent){do t=r.parentNode;while(s(t)&&!t.textContent&&(r=t));n.setStart(t,et.call(t.childNodes,r)),n.collapse(!0),t.removeChild(r),d(t)||(t=h(t)),C(t),ut(n),e.setSelection(n),e._updatePath(n)}e._ensureBottomLine()}catch(o){e.didError(o)}};q&&(Ct._ieSelAllClean=function(){var e=this._body.firstChild;"P"===e.nodeName&&(this._saveRangeToBookmark(this.getSelection()),N(e,this.createDefaultBlock([S(e)])),this.setSelection(this._getRangeAndRemoveBookmark()))});var jt={enter:function(e,t){t.preventDefault();var n,r,o,i,a,s=e.getSelection();if(s){if(e._recordUndoState(s),Ut(s.startContainer),e._getRangeAndRemoveBookmark(s),s.collapsed||ct(s),n=mt(s),n&&(r=p(n,"LI"))&&(n=r),o=n?n.nodeName:"DIV",i=Tt[o],!n)return dt(s,e.createElement("BR")),s.collapse(!1),e.setSelection(s),e._updatePath(s,!0),e._docWasChanged(),void 0;var d,l=s.startContainer,c=s.startOffset;if(i||(l===n&&(l=c?l.childNodes[c-1]:null,c=0,l&&("BR"===l.nodeName?l=l.nextSibling:c=g(l),l&&"BR"!==l.nodeName||(d=C(e.createElement("DIV")),l?n.replaceChild(d,l):n.appendChild(d),l=d))),B(n),i="DIV",l||(l=n.firstChild),s.setStart(l,c),s.setEnd(l,c),n=mt(s)),!n.textContent){if(p(n,"UL")||p(n,"OL"))return e.modifyBlocks(It,s);if(p(n,"BLOCKQUOTE"))return e.modifyBlocks(Rt,s)}for(a=Bt(n,l,c);a.nodeType===A;){var f,h=a.firstChild;if("A"!==a.nodeName){for(;h&&h.nodeType===O&&!h.data&&(f=h.nextSibling,f&&"BR"!==f.nodeName);)v(h),h=f;if(!h||"BR"===h.nodeName||h.nodeType===O&&!Z)break;a=h}else N(a,S(a)),a=h}s=e._createRange(a,0),e.setSelection(s),e._updatePath(s,!0),a.nodeType===O&&(a=a.parentNode);var u=e._doc,m=e._body;a.offsetTop+a.offsetHeight>(u.documentElement.scrollTop||m.scrollTop)+m.offsetHeight&&a.scrollIntoView(!1),e._docWasChanged()}},backspace:function(e,t){var n=e.getSelection();if(n.collapsed)if(vt(n)){e._recordUndoState(n),e._getRangeAndRemoveBookmark(n),t.preventDefault();var r=mt(n),o=r&&h(r);if(o){if(!o.isContentEditable)return v(o),void 0;for(E(o,r,n),r=o.parentNode;r&&!r.nextSibling;)r=r.parentNode;r&&(r=r.nextSibling)&&T(r),e.setSelection(n)}else if(r){if(p(r,"UL")||p(r,"OL"))return e.modifyBlocks(It,n);if(p(r,"BLOCKQUOTE"))return e.modifyBlocks(bt,n);e.setSelection(n),e._updatePath(n,!0)}}else{var i=n.startContainer.data||"";J.test(i.charAt(n.startOffset-1))||(e._recordUndoState(n),e._getRangeAndRemoveBookmark(n),e.setSelection(n)),setTimeout(function(){Yt(e)},0)}else e._recordUndoState(n),e._getRangeAndRemoveBookmark(n),t.preventDefault(),ct(n),e._ensureBottomLine(),e.setSelection(n),e._updatePath(n,!0)},"delete":function(e,t){var n=e.getSelection();if(n.collapsed)if(Nt(n)){e._recordUndoState(n),e._getRangeAndRemoveBookmark(n),t.preventDefault();var r=mt(n),o=r&&u(r);if(o){if(!o.isContentEditable)return v(o),void 0;for(E(r,o,n),o=r.parentNode;o&&!o.nextSibling;)o=o.parentNode;o&&(o=o.nextSibling)&&T(o),e.setSelection(n),e._updatePath(n,!0)}}else{var i=n.startContainer.data||"";J.test(i.charAt(n.startOffset))||(e._recordUndoState(n),e._getRangeAndRemoveBookmark(n),e.setSelection(n)),setTimeout(function(){Yt(e)},0)}else e._recordUndoState(n),e._getRangeAndRemoveBookmark(n),t.preventDefault(),ct(n),e._ensureBottomLine(),e.setSelection(n),e._updatePath(n,!0)},tab:function(e,t){var n,r,o=e.getSelection();if(o.collapsed&&vt(o)&&Nt(o)){for(n=mt(o);r=n.parentNode;){if("UL"===r.nodeName||"OL"===r.nodeName){n.previousSibling&&(t.preventDefault(),e.modifyBlocks(Dt,o));break}n=r}t.preventDefault()}},space:function(e){var t=e.getSelection();e._recordUndoState(t),Ut(t.startContainer),e._getRangeAndRemoveBookmark(t),e.setSelection(t)},left:function(e){e._removeZWS()},right:function(e){e._removeZWS()}};W&&K&&V.getSelection().modify&&(jt["meta-left"]=function(e,t){t.preventDefault(),e._sel.modify("move","backward","lineboundary")},jt["meta-right"]=function(e,t){t.preventDefault(),e._sel.modify("move","forward","lineboundary")}),jt[G+"b"]=$t("B"),jt[G+"i"]=$t("I"),jt[G+"u"]=$t("U"),jt[G+"shift-7"]=$t("S"),jt[G+"shift-5"]=$t("SUB",{tag:"SUP"}),jt[G+"shift-6"]=$t("SUP",{tag:"SUB"}),jt[G+"shift-8"]=Gt("makeUnorderedList"),jt[G+"shift-9"]=Gt("makeOrderedList"),jt[G+"["]=Gt("decreaseQuoteLevel"),jt[G+"]"]=Gt("increaseQuoteLevel"),jt[G+"y"]=Gt("redo"),jt[G+"z"]=Gt("undo"),jt[G+"shift-z"]=Gt("redo"),Ct._onKey=function(e){var t=e.keyCode,n=Qt[t],r="";n||(n=String.fromCharCode(t).toLowerCase(),/^[A-Za-z0-9]$/.test(n)||(n="")),Z&&46===e.which&&(n="."),t>111&&124>t&&(n="f"+(t-111)),e.altKey&&(r+="alt-"),e.ctrlKey&&(r+="ctrl-"),e.metaKey&&(r+="meta-"),e.shiftKey&&(r+="shift-"),n=r+n,jt[n]&&jt[n](this,e)},Ct._getHTML=function(){return this._body.innerHTML},Ct._setHTML=function(e){var t=this._body;t.innerHTML=e;do C(t);while(t=u(t))},Ct.getHTML=function(e){var t,n,r,o,i,a=[];if(e&&(i=this.getSelection())&&this._saveRangeToBookmark(i),$)for(t=this._body;t=u(t);)t.textContent||t.querySelector("BR")||(n=this.createElement("BR"),t.appendChild(n),a.push(n));if(r=this._getHTML().replace(/\u200B/g,""),$)for(o=a.length;o--;)v(a[o]);return i&&this._getRangeAndRemoveBookmark(i),r},Ct.setHTML=function(e){var t,n=this._doc.createDocumentFragment(),r=this.createElement("DIV");r.innerHTML=e,n.appendChild(S(r)),Kt(n,!0),Zt(n),B(n);for(var o=n;o=u(o);)C(o);for(var i=this._body;t=i.lastChild;)i.removeChild(t);i.appendChild(n),C(i),this._undoIndex=-1,this._undoStack.length=0,this._undoStackLength=0,this._isInUndoState=!1;var a=this._getRangeAndRemoveBookmark()||this._createRange(i.firstChild,0);return this._recordUndoState(a),this._getRangeAndRemoveBookmark(a),j?this._lastSelection=a:this.setSelection(a),this._updatePath(a,!0),this},Ct.insertElement=function(e,t){if(t||(t=this.getSelection()),t.collapse(!0),s(e))dt(t,e),t.setStartAfter(e); +else{for(var n,r,o=this._body,i=mt(t)||o;i!==o&&!i.nextSibling;)i=i.parentNode;i!==o&&(n=i.parentNode,r=_(n,i.nextSibling,o)),r?(o.insertBefore(e,r),t.setStart(r,0),t.setStart(r,0),ut(t)):(o.appendChild(e),o.appendChild(this.createDefaultBlock()),t.setStart(e,0),t.setEnd(e,0)),this.focus(),this.setSelection(t),this._updatePath(t)}return this},Ct.insertImage=function(e){var t=this.createElement("IMG",{src:e});return this.insertElement(t),t};var Xt=function(e,t,n){return function(){return this[e](t,n),this.focus()}};Ct.addStyles=function(e){if(e){var t=this._doc.documentElement.firstChild,n=this.createElement("STYLE",{type:"text/css"});n.styleSheet?(t.appendChild(n),n.styleSheet.cssText=e):(n.appendChild(this._doc.createTextNode(e)),t.appendChild(n))}return this},Ct.bold=Xt("changeFormat",{tag:"B"}),Ct.italic=Xt("changeFormat",{tag:"I"}),Ct.underline=Xt("changeFormat",{tag:"U"}),Ct.strikethrough=Xt("changeFormat",{tag:"S"}),Ct.subscript=Xt("changeFormat",{tag:"SUB"},{tag:"SUP"}),Ct.superscript=Xt("changeFormat",{tag:"SUP"},{tag:"SUB"}),Ct.removeBold=Xt("changeFormat",null,{tag:"B"}),Ct.removeItalic=Xt("changeFormat",null,{tag:"I"}),Ct.removeUnderline=Xt("changeFormat",null,{tag:"U"}),Ct.removeStrikethrough=Xt("changeFormat",null,{tag:"S"}),Ct.removeSubscript=Xt("changeFormat",null,{tag:"SUB"}),Ct.removeSuperscript=Xt("changeFormat",null,{tag:"SUP"}),Ct.makeLink=function(e){var t=this.getSelection();if(t.collapsed){var n=e.indexOf(":")+1;if(n)for(;"/"===e[n];)n+=1;dt(t,this._doc.createTextNode(e.slice(n)))}return this.changeFormat({tag:"A",attributes:{href:e}},{tag:"A"},t),this.focus()},Ct.removeLink=function(){return this.changeFormat(null,{tag:"A"},this.getSelection(),!0),this.focus()},Ct.setFontFace=function(e){return this.changeFormat({tag:"SPAN",attributes:{"class":"font",style:"font-family: "+e+", sans-serif;"}},{tag:"SPAN",attributes:{"class":"font"}}),this.focus()},Ct.setFontSize=function(e){return this.changeFormat({tag:"SPAN",attributes:{"class":"size",style:"font-size: "+("number"==typeof e?e+"px":e)}},{tag:"SPAN",attributes:{"class":"size"}}),this.focus()},Ct.setTextColour=function(e){return this.changeFormat({tag:"SPAN",attributes:{"class":"colour",style:"color: "+e}},{tag:"SPAN",attributes:{"class":"colour"}}),this.focus()},Ct.setHighlightColour=function(e){return this.changeFormat({tag:"SPAN",attributes:{"class":"highlight",style:"background-color: "+e}},{tag:"SPAN",attributes:{"class":"highlight"}}),this.focus()},Ct.setTextAlignment=function(e){return this.forEachBlock(function(t){t.className=(t.className.split(/\s+/).filter(function(e){return!/align/.test(e)}).join(" ")+" align-"+e).trim(),t.style.textAlign=e},!0),this.focus()},Ct.setTextDirection=function(e){return this.forEachBlock(function(t){t.className=(t.className.split(/\s+/).filter(function(e){return!/dir/.test(e)}).join(" ")+" dir-"+e).trim(),t.dir=e},!0),this.focus()},Ct.increaseQuoteLevel=Xt("modifyBlocks",kt),Ct.decreaseQuoteLevel=Xt("modifyBlocks",bt),Ct.makeUnorderedList=Xt("modifyBlocks",Ot),Ct.makeOrderedList=Xt("modifyBlocks",Lt),Ct.removeList=Xt("modifyBlocks",xt),Ct.increaseListLevel=Xt("modifyBlocks",Dt),Ct.decreaseListLevel=Xt("modifyBlocks",It),top!==V?(V.editor=new b(e),V.onEditorLoad&&(V.onEditorLoad(V.editor),V.onEditorLoad=null)):V.Squire=b}(document); \ No newline at end of file diff --git a/source/Editor.js b/source/Editor.js index 491a6a2..90b2cad 100644 --- a/source/Editor.js +++ b/source/Editor.js @@ -288,21 +288,21 @@ proto.setSelection = function ( range ) { }; proto.getSelection = function () { - var sel = this._sel; + var sel = this._sel, + selection, startContainer, endContainer; if ( sel.rangeCount ) { - var lastSelection = this._lastSelection = - sel.getRangeAt( 0 ).cloneRange(); - var startContainer = lastSelection.startContainer, - endContainer = lastSelection.endContainer; + selection = sel.getRangeAt( 0 ).cloneRange(); + startContainer = selection.startContainer; + endContainer = selection.endContainer; // FF sometimes throws an error reading the isLeaf property. Let's // catch and log it to see if we can find what's going on. try { // FF can return the selection as being inside an . WTF? if ( startContainer && isLeaf( startContainer ) ) { - lastSelection.setStartBefore( startContainer ); + selection.setStartBefore( startContainer ); } if ( endContainer && isLeaf( endContainer ) ) { - lastSelection.setEndBefore( endContainer ); + selection.setEndBefore( endContainer ); } } catch ( error ) { this.didError({ @@ -311,8 +311,14 @@ proto.getSelection = function () { '\nEnds: ' + endContainer.nodeName }); } + this._lastSelection = selection; + } else { + selection = this._lastSelection; } - return this._lastSelection; + if ( !selection ) { + selection = this._createRange( this._body.firstChild, 0 ); + } + return selection; }; proto.getSelectedText = function () {