From 25dfd94de04bc78c2e810b56119ca36c739cfa19 Mon Sep 17 00:00:00 2001 From: Neil Jenkins Date: Wed, 8 Apr 2015 15:33:27 +0700 Subject: [PATCH] Fix formatting commands when selection has no text nodes Fixes #60 --- libs/Squire/build/squire-raw.js | 73 ++++++++++++++++++--------------- libs/Squire/build/squire.js | 4 +- libs/Squire/source/Editor.js | 61 +++++++++++++++++---------- 3 files changed, 81 insertions(+), 57 deletions(-) diff --git a/libs/Squire/build/squire-raw.js b/libs/Squire/build/squire-raw.js index c032dbb346..bf69f0bdab 100644 --- a/libs/Squire/build/squire-raw.js +++ b/libs/Squire/build/squire-raw.js @@ -1700,7 +1700,7 @@ proto._addFormat = function ( tag, attributes, range ) { // If the range is collapsed we simply insert the node by wrapping // it round the range and focus it. var el, walker, startContainer, endContainer, startOffset, endOffset, - textNode, needsFormat; + node, needsFormat; if ( range.collapsed ) { el = fixCursor( this.createElement( tag, attributes ) ); @@ -1712,16 +1712,21 @@ proto._addFormat = function ( tag, attributes, range ) { // partially selected nodes) and if they're not already formatted // correctly we wrap them in the appropriate tag. else { - // We don't want to apply formatting twice so we check each text - // node to see if it has an ancestor with the formatting already. // Create an iterator to walk over all the text nodes under this // ancestor which are in the range and not already formatted // correctly. + // + // In Blink/WebKit, empty blocks may have no text nodes, just a
. + // Therefore we wrap this in the tag as well, as this will then cause it + // to apply when the user types something in the block, which is + // presumably what was intended. walker = new TreeWalker( range.commonAncestorContainer, - SHOW_TEXT, + SHOW_TEXT|SHOW_ELEMENT, function ( node ) { - return isNodeContainedInRange( range, node, true ); + return ( node.nodeType === TEXT_NODE || + node.nodeName === 'BR' ) && + isNodeContainedInRange( range, node, true ); }, false ); @@ -1733,41 +1738,53 @@ proto._addFormat = function ( tag, attributes, range ) { endContainer = range.endContainer; endOffset = range.endOffset; - // Make sure we start inside a text node. + // Make sure we start with a valid node. walker.currentNode = startContainer; - if ( startContainer.nodeType !== TEXT_NODE ) { + if ( !walker.filter( startContainer ) ) { startContainer = walker.nextNode(); startOffset = 0; } + // If there are no interesting nodes in the selection, abort + if ( !startContainer ) { + return range; + } + do { - textNode = walker.currentNode; - needsFormat = !getNearest( textNode, tag, attributes ); + node = walker.currentNode; + needsFormat = !getNearest( node, tag, attributes ); if ( needsFormat ) { - if ( textNode === endContainer && - textNode.length > endOffset ) { - textNode.splitText( endOffset ); + //
can never be a container node, so must have a text node + // if node == (end|start)Container + if ( node === endContainer && node.length > endOffset ) { + node.splitText( endOffset ); } - if ( textNode === startContainer && startOffset ) { - textNode = textNode.splitText( startOffset ); + if ( node === startContainer && startOffset ) { + node = node.splitText( startOffset ); if ( endContainer === startContainer ) { - endContainer = textNode; + endContainer = node; endOffset -= startOffset; } - startContainer = textNode; + startContainer = node; startOffset = 0; } el = this.createElement( tag, attributes ); - replaceWith( textNode, el ); - el.appendChild( textNode ); + replaceWith( node, el ); + el.appendChild( node ); } } while ( walker.nextNode() ); - // Make sure we finish inside a text node. Otherwise offset may have - // changed. + // If we don't finish inside a text node, offset may have changed. if ( endContainer.nodeType !== TEXT_NODE ) { - endContainer = textNode; - endOffset = textNode.length; + if ( node.nodeType === TEXT_NODE ) { + endContainer = node; + endOffset = node.length; + } else { + // If
, we must have just wrapped it, so it must have only + // one child + endContainer = node.parentNode; + endOffset = 1; + } } // Now set the selection to as it was before @@ -2557,17 +2574,7 @@ var cleanupBRs = function ( root ) { proto._ensureBottomLine = function () { var body = this._body, - last; - // Safari (+others?) adds white-space text nodes to the end of - // for no apparent reason. Remove them, since they're semantically - // meaningless. - while ( last = body.lastChild ) { - if ( last.nodeType === TEXT_NODE && !notWS.test( last.data ) ) { - body.removeChild( last ); - } else { - break; - } - } + last = body.lastElementChild; if ( !last || last.nodeName !== this.defaultBlockTag || !isBlock( last ) ) { body.appendChild( this.createDefaultBlock() ); } diff --git a/libs/Squire/build/squire.js b/libs/Squire/build/squire.js index f831086b59..f916586e9d 100644 --- a/libs/Squire/build/squire.js +++ b/libs/Squire/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 n=e.length;n--;)if(!t(e[n]))return!1;return!0}function o(e,t,n){if(e.nodeName!==t)return!1;for(var r in n)if(e.getAttribute(r)!==n[r])return!1;return!0}function i(e,t){return 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this},St.bold=Jt("changeFormat",{tag:"B"}),St.italic=Jt("changeFormat",{tag:"I"}),St.underline=Jt("changeFormat",{tag:"U"}),St.strikethrough=Jt("changeFormat",{tag:"S"}),St.subscript=Jt("changeFormat",{tag:"SUB"},{tag:"SUP"}),St.superscript=Jt("changeFormat",{tag:"SUP"},{tag:"SUB"}),St.removeBold=Jt("changeFormat",null,{tag:"B"}),St.removeItalic=Jt("changeFormat",null,{tag:"I"}),St.removeUnderline=Jt("changeFormat",null,{tag:"U"}),St.removeStrikethrough=Jt("changeFormat",null,{tag:"S"}),St.removeSubscript=Jt("changeFormat",null,{tag:"SUB"}),St.removeSuperscript=Jt("changeFormat",null,{tag:"SUP"}),St.makeLink=function(e,t){var n=this.getSelection();if(n.collapsed){var r=e.indexOf(":")+1;if(r)for(;"/"===e[r];)r+=1;at(n,this._doc.createTextNode(e.slice(r)))}return t||(t={}),t.href=e,this.changeFormat({tag:"A",attributes:t},{tag:"A"},n),this.focus()},St.removeLink=function(){return this.changeFormat(null,{tag:"A"},this.getSelection(),!0),this.focus()},St.setFontFace=function(e){return this.changeFormat({tag:"SPAN",attributes:{"class":"font",style:"font-family: "+e+", sans-serif;"}},{tag:"SPAN",attributes:{"class":"font"}}),this.focus()},St.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()},St.setTextColour=function(e){return this.changeFormat({tag:"SPAN",attributes:{"class":"colour",style:"color: "+e}},{tag:"SPAN",attributes:{"class":"colour"}}),this.focus()},St.setHighlightColour=function(e){return this.changeFormat({tag:"SPAN",attributes:{"class":"highlight",style:"background-color: "+e}},{tag:"SPAN",attributes:{"class":"highlight"}}),this.focus()},St.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()},St.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()},St.increaseQuoteLevel=Jt("modifyBlocks",bt),St.decreaseQuoteLevel=Jt("modifyBlocks",Lt),St.makeUnorderedList=Jt("modifyBlocks",At),St.makeOrderedList=Jt("modifyBlocks",Rt),St.removeList=Jt("modifyBlocks",Dt),St.increaseListLevel=Jt("modifyBlocks",Ut),St.decreaseListLevel=Jt("modifyBlocks",It),top!==F?(F.editor=new b(e),F.onEditorLoad&&(F.onEditorLoad(F.editor),F.onEditorLoad=null)):F.Squire=b}(document); \ No newline at end of file diff --git a/libs/Squire/source/Editor.js b/libs/Squire/source/Editor.js index 9c0403f2e5..b783dae498 100644 --- a/libs/Squire/source/Editor.js +++ b/libs/Squire/source/Editor.js @@ -610,7 +610,7 @@ proto._addFormat = function ( tag, attributes, range ) { // If the range is collapsed we simply insert the node by wrapping // it round the range and focus it. var el, walker, startContainer, endContainer, startOffset, endOffset, - textNode, needsFormat; + node, needsFormat; if ( range.collapsed ) { el = fixCursor( this.createElement( tag, attributes ) ); @@ -622,16 +622,21 @@ proto._addFormat = function ( tag, attributes, range ) { // partially selected nodes) and if they're not already formatted // correctly we wrap them in the appropriate tag. else { - // We don't want to apply formatting twice so we check each text - // node to see if it has an ancestor with the formatting already. // Create an iterator to walk over all the text nodes under this // ancestor which are in the range and not already formatted // correctly. + // + // In Blink/WebKit, empty blocks may have no text nodes, just a
. + // Therefore we wrap this in the tag as well, as this will then cause it + // to apply when the user types something in the block, which is + // presumably what was intended. walker = new TreeWalker( range.commonAncestorContainer, - SHOW_TEXT, + SHOW_TEXT|SHOW_ELEMENT, function ( node ) { - return isNodeContainedInRange( range, node, true ); + return ( node.nodeType === TEXT_NODE || + node.nodeName === 'BR' ) && + isNodeContainedInRange( range, node, true ); }, false ); @@ -643,41 +648,53 @@ proto._addFormat = function ( tag, attributes, range ) { endContainer = range.endContainer; endOffset = range.endOffset; - // Make sure we start inside a text node. + // Make sure we start with a valid node. walker.currentNode = startContainer; - if ( startContainer.nodeType !== TEXT_NODE ) { + if ( !walker.filter( startContainer ) ) { startContainer = walker.nextNode(); startOffset = 0; } + // If there are no interesting nodes in the selection, abort + if ( !startContainer ) { + return range; + } + do { - textNode = walker.currentNode; - needsFormat = !getNearest( textNode, tag, attributes ); + node = walker.currentNode; + needsFormat = !getNearest( node, tag, attributes ); if ( needsFormat ) { - if ( textNode === endContainer && - textNode.length > endOffset ) { - textNode.splitText( endOffset ); + //
can never be a container node, so must have a text node + // if node == (end|start)Container + if ( node === endContainer && node.length > endOffset ) { + node.splitText( endOffset ); } - if ( textNode === startContainer && startOffset ) { - textNode = textNode.splitText( startOffset ); + if ( node === startContainer && startOffset ) { + node = node.splitText( startOffset ); if ( endContainer === startContainer ) { - endContainer = textNode; + endContainer = node; endOffset -= startOffset; } - startContainer = textNode; + startContainer = node; startOffset = 0; } el = this.createElement( tag, attributes ); - replaceWith( textNode, el ); - el.appendChild( textNode ); + replaceWith( node, el ); + el.appendChild( node ); } } while ( walker.nextNode() ); - // Make sure we finish inside a text node. Otherwise offset may have - // changed. + // If we don't finish inside a text node, offset may have changed. if ( endContainer.nodeType !== TEXT_NODE ) { - endContainer = textNode; - endOffset = textNode.length; + if ( node.nodeType === TEXT_NODE ) { + endContainer = node; + endOffset = node.length; + } else { + // If
, we must have just wrapped it, so it must have only + // one child + endContainer = node.parentNode; + endOffset = 1; + } } // Now set the selection to as it was before