diff --git a/build/squire-raw.js b/build/squire-raw.js index ac3ca72..8984e28 100644 --- a/build/squire-raw.js +++ b/build/squire-raw.js @@ -17,6 +17,11 @@ var START_TO_END = 1; // Range.START_TO_END var END_TO_END = 2; // Range.END_TO_END var END_TO_START = 3; // Range.END_TO_START +var HIGHLIGHT_CLASS = 'highlight'; +var COLOUR_CLASS = 'colour'; +var FONT_FAMILY_CLASS = 'font'; +var FONT_SIZE_CLASS = 'size'; + var ZWS = '\u200B'; var win = doc.defaultView; @@ -26,11 +31,14 @@ var ua = navigator.userAgent; var isIOS = /iP(?:ad|hone|od)/.test( ua ); var isMac = /Mac OS X/.test( ua ); +var isAndroid = /Android/.test( ua ); + var isGecko = /Gecko\//.test( ua ); var isIElt11 = /Trident\/[456]\./.test( ua ); var isPresto = !!win.opera; var isEdge = /Edge\//.test( ua ); var isWebKit = !isEdge && /WebKit\//.test( ua ); +var isIE = /Trident\/[4567]\./.test( ua ); var ctrlKey = isMac ? 'meta-' : 'ctrl-'; @@ -171,7 +179,7 @@ TreeWalker.prototype.previousPONode = function () { } }; -var inlineNodeNames = /^(?:#text|A(?:BBR|CRONYM)?|B(?:R|D[IO])?|C(?:ITE|ODE)|D(?:ATA|EL|FN)|EM|FONT|HR|I(?:FRAME|MG|NPUT|NS)?|KBD|Q|R(?:P|T|UBY)|S(?:AMP|MALL|PAN|TR(?:IKE|ONG)|U[BP])?|U|VAR|WBR)$/; +var inlineNodeNames = /^(?:#text|A(?:BBR|CRONYM)?|B(?:R|D[IO])?|C(?:ITE|ODE)|D(?:ATA|EL|FN)|EM|FONT|HR|I(?:FRAME|MG|NPUT|NS)?|KBD|Q|R(?:P|T|UBY)|S(?:AMP|MALL|PAN|TR(?:IKE|ONG)|U[BP])?|TIME|U|VAR|WBR)$/; var leafNodeNames = { BR: 1, @@ -284,6 +292,23 @@ function getPath ( node, root ) { if ( dir = node.dir ) { path += '[dir=' + dir + ']'; } + if ( classNames ) { + if ( indexOf.call( classNames, HIGHLIGHT_CLASS ) > -1 ) { + path += '[backgroundColor=' + + node.style.backgroundColor.replace( / /g,'' ) + ']'; + } + if ( indexOf.call( classNames, COLOUR_CLASS ) > -1 ) { + path += '[color=' + + node.style.color.replace( / /g,'' ) + ']'; + } + if ( indexOf.call( classNames, FONT_FAMILY_CLASS ) > -1 ) { + path += '[fontFamily=' + + node.style.fontFamily.replace( / /g,'' ) + ']'; + } + if ( indexOf.call( classNames, FONT_SIZE_CLASS ) > -1 ) { + path += '[fontSize=' + node.style.fontSize + ']'; + } + } } } return path; @@ -522,10 +547,7 @@ function split ( node, offset, stopNode, root ) { return offset; } -function mergeInlines ( node, range ) { - if ( node.nodeType !== ELEMENT_NODE ) { - return; - } +function _mergeInlines ( node, fakeRange ) { var children = node.childNodes, l = children.length, frags = [], @@ -535,30 +557,30 @@ function mergeInlines ( node, range ) { prev = l && children[ l - 1 ]; if ( l && isInline( child ) && areAlike( child, prev ) && !leafNodeNames[ child.nodeName ] ) { - if ( range.startContainer === child ) { - range.startContainer = prev; - range.startOffset += getLength( prev ); + if ( fakeRange.startContainer === child ) { + fakeRange.startContainer = prev; + fakeRange.startOffset += getLength( prev ); } - if ( range.endContainer === child ) { - range.endContainer = prev; - range.endOffset += getLength( prev ); + if ( fakeRange.endContainer === child ) { + fakeRange.endContainer = prev; + fakeRange.endOffset += getLength( prev ); } - if ( range.startContainer === node ) { - if ( range.startOffset > l ) { - range.startOffset -= 1; + if ( fakeRange.startContainer === node ) { + if ( fakeRange.startOffset > l ) { + fakeRange.startOffset -= 1; } - else if ( range.startOffset === l ) { - range.startContainer = prev; - range.startOffset = getLength( prev ); + else if ( fakeRange.startOffset === l ) { + fakeRange.startContainer = prev; + fakeRange.startOffset = getLength( prev ); } } - if ( range.endContainer === node ) { - if ( range.endOffset > l ) { - range.endOffset -= 1; + if ( fakeRange.endContainer === node ) { + if ( fakeRange.endOffset > l ) { + fakeRange.endOffset -= 1; } - else if ( range.endOffset === l ) { - range.endContainer = prev; - range.endOffset = getLength( prev ); + else if ( fakeRange.endOffset === l ) { + fakeRange.endContainer = prev; + fakeRange.endOffset = getLength( prev ); } } detach( child ); @@ -574,14 +596,31 @@ function mergeInlines ( node, range ) { while ( len-- ) { child.appendChild( frags.pop() ); } - mergeInlines( child, range ); + _mergeInlines( child, fakeRange ); } } } +function mergeInlines ( node, range ) { + if ( node.nodeType === TEXT_NODE ) { + node = node.parentNode; + } + if ( node.nodeType === ELEMENT_NODE ) { + var fakeRange = { + startContainer: range.startContainer, + startOffset: range.startOffset, + endContainer: range.endContainer, + endOffset: range.endOffset + }; + _mergeInlines( node, fakeRange ); + range.setStart( fakeRange.startContainer, fakeRange.startOffset ); + range.setEnd( fakeRange.endContainer, fakeRange.endOffset ); + } +} + function mergeWithBlock ( block, next, range ) { var container = next, - last, offset, _range; + last, offset; while ( container.parentNode.childNodes.length === 1 ) { container = container.parentNode; } @@ -596,18 +635,11 @@ function mergeWithBlock ( block, next, range ) { offset -= 1; } - _range = { - startContainer: block, - startOffset: offset, - endContainer: block, - endOffset: offset - }; - block.appendChild( empty( next ) ); - mergeInlines( block, _range ); - range.setStart( _range.startContainer, _range.startOffset ); + range.setStart( block, offset ); range.collapse( true ); + mergeInlines( block, range ); // Opera inserts a BR if you delete the last piece of text // in a block-level element. Unfortunately, it then gets @@ -862,6 +894,10 @@ var insertTreeFragmentIntoRange = function ( range, frag, root ) { if ( allInline ) { // If inline, just insert at the current position. insertNodeInRange( range, frag ); + if ( range.startContainer !== range.endContainer ) { + mergeInlines( range.endContainer, range ); + } + mergeInlines( range.startContainer, range ); range.collapse( false ); } else { // Otherwise... @@ -1300,7 +1336,7 @@ var afterDelete = function ( self, range ) { node = parent; parent = node.parentNode; } - // If focussed in empty inline element + // If focused in empty inline element if ( node !== parent ) { // Move focus to just before empty inline(s) range.setStart( parent, @@ -1622,6 +1658,13 @@ var keyHandlers = { !node.nextSibling && range.endOffset === getLength( node ) ) { range.setStartAfter( parent ); } + // Delete the selection if not collapsed + else if ( !range.collapsed ) { + deleteContentsOfRange( range, self._root ); + self._ensureBottomLine(); + self.setSelection( range ); + self._updatePath( range, true ); + } self.setSelection( range ); }, @@ -1690,12 +1733,12 @@ var fontSizes = { 7: 48 }; -var spanToSemantic = { +var styleToSemantic = { backgroundColor: { regexp: notWS, replace: function ( doc, colour ) { return createElement( doc, 'SPAN', { - 'class': 'highlight', + 'class': HIGHLIGHT_CLASS, style: 'background-color:' + colour }); } @@ -1704,7 +1747,7 @@ var spanToSemantic = { regexp: notWS, replace: function ( doc, colour ) { return createElement( doc, 'SPAN', { - 'class': 'colour', + 'class': COLOUR_CLASS, style: 'color:' + colour }); } @@ -1725,7 +1768,7 @@ var spanToSemantic = { regexp: notWS, replace: function ( doc, family ) { return createElement( doc, 'SPAN', { - 'class': 'font', + 'class': FONT_FAMILY_CLASS, style: 'font-family:' + family }); } @@ -1734,10 +1777,16 @@ var spanToSemantic = { regexp: notWS, replace: function ( doc, size ) { return createElement( doc, 'SPAN', { - 'class': 'size', + 'class': FONT_SIZE_CLASS, style: 'font-size:' + size }); } + }, + textDecoration: { + regexp: /^underline/i, + replace: function ( doc ) { + return createElement( doc, 'U' ); + } } }; @@ -1750,36 +1799,45 @@ var replaceWithTag = function ( tag ) { }; }; -var stylesRewriters = { - SPAN: function ( span, parent ) { - var style = span.style, - doc = span.ownerDocument, - attr, converter, css, newTreeBottom, newTreeTop, el; +var replaceStyles = function ( node, parent ) { + var style = node.style; + var doc = node.ownerDocument; + var attr, converter, css, newTreeBottom, newTreeTop, el; - for ( attr in spanToSemantic ) { - converter = spanToSemantic[ attr ]; - css = style[ attr ]; - if ( css && converter.regexp.test( css ) ) { - el = converter.replace( doc, css ); - if ( newTreeBottom ) { - newTreeBottom.appendChild( el ); - } - newTreeBottom = el; - if ( !newTreeTop ) { - newTreeTop = el; - } + for ( attr in styleToSemantic ) { + converter = styleToSemantic[ attr ]; + css = style[ attr ]; + if ( css && converter.regexp.test( css ) ) { + el = converter.replace( doc, css ); + if ( !newTreeTop ) { + newTreeTop = el; } + if ( newTreeBottom ) { + newTreeBottom.appendChild( el ); + } + newTreeBottom = el; + node.style[ attr ] = ''; } + } - if ( newTreeTop ) { - newTreeBottom.appendChild( empty( span ) ); - parent.replaceChild( newTreeTop, span ); + if ( newTreeTop ) { + newTreeBottom.appendChild( empty( node ) ); + if ( node.nodeName === 'SPAN' ) { + parent.replaceChild( newTreeTop, node ); + } else { + node.appendChild( newTreeTop ); } + } - return newTreeBottom || span; - }, + return newTreeBottom || node; +}; + +var stylesRewriters = { + P: replaceStyles, + SPAN: replaceStyles, STRONG: replaceWithTag( 'B' ), EM: replaceWithTag( 'I' ), + INS: replaceWithTag( 'U' ), STRIKE: replaceWithTag( 'S' ), FONT: function ( node, parent ) { var face = node.face, @@ -2059,12 +2117,32 @@ var onCopy = function ( event ) { var clipboardData = event.clipboardData; var range = this.getSelection(); var node = this.createElement( 'div' ); + var root = this._root; + var startBlock, contents, parent, newContents; // Edge only seems to support setting plain text as of 2016-03-11. // Mobile Safari flat out doesn't work: // https://bugs.webkit.org/show_bug.cgi?id=143776 if ( !isEdge && !isIOS && clipboardData ) { - node.appendChild( range.cloneContents() ); + range = range.cloneRange(); + startBlock = getStartBlockOfRange( range, root ); + if ( startBlock === getEndBlockOfRange( range, root ) ) { + // Copy all inline formatting, but that's it. + moveRangeBoundariesDownTree( range ); + moveRangeBoundariesUpTree( range, startBlock ); + contents = range.cloneContents(); + } else { + moveRangeBoundariesUpTree( range, root ); + contents = range.cloneContents(); + parent = range.commonAncestorContainer; + while ( parent && parent !== root ) { + newContents = parent.cloneNode( false ); + newContents.appendChild( contents ); + contents = newContents; + parent = parent.parentNode; + } + } + node.appendChild( contents ); clipboardData.setData( 'text/html', node.innerHTML ); clipboardData.setData( 'text/plain', node.innerText || node.textContent ); @@ -2072,14 +2150,21 @@ var onCopy = function ( event ) { } }; +// Need to monitor for shift key like this, as event.shiftKey is not available +// in paste event. +function monitorShiftKey ( event ) { + this.isShiftDown = event.shiftKey; +} + var onPaste = function ( event ) { - var clipboardData = event.clipboardData, - items = clipboardData && clipboardData.items, - fireDrop = false, - hasImage = false, - plainItem = null, - self = this, - l, item, type, types, data; + var clipboardData = event.clipboardData; + var items = clipboardData && clipboardData.items; + var choosePlain = this.isShiftDown; + var fireDrop = false; + var hasImage = false; + var plainItem = null; + var self = this; + var l, item, type, types, data; // Current HTML5 Clipboard interface // --------------------------------- @@ -2092,7 +2177,7 @@ var onPaste = function ( event ) { while ( l-- ) { item = items[l]; type = item.type; - if ( type === 'text/html' ) { + if ( !choosePlain && type === 'text/html' ) { /*jshint loopfunc: true */ item.getAsString( function ( html ) { self.insertHTML( html, true ); @@ -2103,7 +2188,7 @@ var onPaste = function ( event ) { if ( type === 'text/plain' ) { plainItem = item; } - if ( /^image\/.*/.test( type ) ) { + if ( !choosePlain && /^image\/.*/.test( type ) ) { hasImage = true; } } @@ -2155,7 +2240,7 @@ var onPaste = function ( event ) { // insert plain text instead. On iOS, Facebook (and possibly other // apps?) copy links as type text/uri-list, but also insert a **blank** // text/plain item onto the clipboard. Why? Who knows. - if (( data = clipboardData.getData( 'text/html' ) )) { + if ( !choosePlain && ( data = clipboardData.getData( 'text/html' ) ) ) { this.insertHTML( data, true ); } else if ( ( data = clipboardData.getData( 'text/plain' ) ) || @@ -2267,16 +2352,20 @@ function getSquireInstance ( doc ) { return null; } -function mergeObjects ( base, extras ) { +function mergeObjects ( base, extras, mayOverride ) { var prop, value; if ( !base ) { base = {}; } - for ( prop in extras ) { - value = extras[ prop ]; - base[ prop ] = ( value && value.constructor === Object ) ? - mergeObjects( base[ prop ], value ) : - value; + if ( extras ) { + for ( prop in extras ) { + if ( mayOverride || !( prop in base ) ) { + value = extras[ prop ]; + base[ prop ] = ( value && value.constructor === Object ) ? + mergeObjects( base[ prop ], value, mayOverride ) : + value; + } + } } return base; } @@ -2295,6 +2384,7 @@ function Squire ( root, config ) { this._events = {}; + this._isFocused = false; this._lastSelection = null; // IE loses selection state of iframe on blur, so make sure we @@ -2308,6 +2398,7 @@ function Squire ( root, config ) { this._lastAnchorNode = null; this._lastFocusNode = null; this._path = ''; + this._willUpdatePath = false; if ( 'onselectionchange' in doc ) { this.addEventListener( 'selectionchange', this._updatePathOnEvent ); @@ -2336,13 +2427,11 @@ function Squire ( root, config ) { this.addEventListener( 'keyup', this._keyUpDetectChange ); } - // On blur, restore focus except if there is any change to the content, or - // the user taps or clicks to focus a specific point. Can't actually use - // click event because focus happens before click, so use - // mousedown/touchstart + // On blur, restore focus except if the user taps or clicks to focus a + // specific point. Can't actually use click event because focus happens + // before click, so use mousedown/touchstart this._restoreSelection = false; this.addEventListener( 'blur', enableRestoreSelection ); - this.addEventListener( 'input', disableRestoreSelection ); this.addEventListener( 'mousedown', disableRestoreSelection ); this.addEventListener( 'touchstart', disableRestoreSelection ); this.addEventListener( 'focus', restoreSelection ); @@ -2352,6 +2441,8 @@ function Squire ( root, config ) { this._awaitingPaste = false; this.addEventListener( isIElt11 ? 'beforecut' : 'cut', onCut ); this.addEventListener( 'copy', onCopy ); + this.addEventListener( 'keydown', monitorShiftKey ); + this.addEventListener( 'keyup', monitorShiftKey ); this.addEventListener( isIElt11 ? 'beforepaste' : 'paste', onPaste ); this.addEventListener( 'drop', onDrop ); @@ -2420,8 +2511,13 @@ proto.setConfig = function ( config ) { ol: null, li: null, a: null + }, + leafNodeNames: leafNodeNames, + undo: { + documentSizeThreshold: -1, // -1 means no threshold + undoLimit: -1 // -1 means no limit } - }, config ); + }, config, true ); // Users may specify block tag in lower case config.blockTag = config.blockTag.toUpperCase(); @@ -2483,8 +2579,26 @@ var customEvents = { }; proto.fireEvent = function ( type, event ) { - var handlers = this._events[ type ], - l, obj; + var handlers = this._events[ type ]; + var isFocused, l, obj; + // UI code, especially modal views, may be monitoring for focus events and + // immediately removing focus. In certain conditions, this can cause the + // focus event to fire after the blur event, which can cause an infinite + // loop. So we detect whether we're actually focused/blurred before firing. + if ( /^(?:focus|blur)/.test( type ) ) { + isFocused = isOrContains( this._root, this._doc.activeElement ); + if ( type === 'focus' ) { + if ( !isFocused || this._isFocused ) { + return this; + } + this._isFocused = true; + } else { + if ( isFocused || !this._isFocused ) { + return this; + } + this._isFocused = false; + } + } if ( handlers ) { if ( !event ) { event = {}; @@ -2516,6 +2630,7 @@ proto.destroy = function () { var l = instances.length; var events = this._events; var type; + for ( type in events ) { this.removeEventListener( type ); } @@ -2527,6 +2642,11 @@ proto.destroy = function () { instances.splice( l, 1 ); } } + + // Destroy undo stack + this._undoIndex = -1; + this._undoStack = []; + this._undoStackLength = 0; }; proto.handleEvent = function ( event ) { @@ -2617,12 +2737,7 @@ proto.getCursorPosition = function ( range ) { rect = node.getBoundingClientRect(); parent = node.parentNode; parent.removeChild( node ); - mergeInlines( parent, { - startContainer: range.startContainer, - endContainer: range.endContainer, - startOffset: range.startOffset, - endOffset: range.endOffset - }); + mergeInlines( parent, range ); } return rect; }; @@ -2647,20 +2762,34 @@ var getWindowSelection = function ( self ) { proto.setSelection = function ( range ) { if ( range ) { - // If we're setting selection, that automatically, and synchronously, // triggers a focus event. Don't want a reentrant call to setSelection. - this._restoreSelection = false; this._lastSelection = range; - // iOS bug: if you don't focus the iframe before setting the - // selection, you can end up in a state where you type but the input - // doesn't get directed into the contenteditable area but is instead - // lost in a black hole. Very strange. - if ( isIOS ) { - this._win.focus(); - } - var sel = getWindowSelection( this ); - if ( sel ) { - sel.removeAllRanges(); - sel.addRange( range ); + // If we're setting selection, that automatically, and synchronously, // triggers a focus event. So just store the selection and mark it as + // needing restore on focus. + if ( !this._isFocused ) { + enableRestoreSelection.call( this ); + } else if ( isAndroid && !this._restoreSelection ) { + // Android closes the keyboard on removeAllRanges() and doesn't + // open it again when addRange() is called, sigh. + // Since Android doesn't trigger a focus event in setSelection(), + // use a blur/focus dance to work around this by letting the + // selection be restored on focus. + // Need to check for !this._restoreSelection to avoid infinite loop + enableRestoreSelection.call( this ); + this.blur(); + this.focus(); + } else { + // iOS bug: if you don't focus the iframe before setting the + // selection, you can end up in a state where you type but the input + // doesn't get directed into the contenteditable area but is instead + // lost in a black hole. Very strange. + if ( isIOS ) { + this._win.focus(); + } + var sel = getWindowSelection( this ); + if ( sel ) { + sel.removeAllRanges(); + sel.addRange( range ); + } } } return this; @@ -2758,13 +2887,18 @@ proto.getPath = function () { // WebKit bug: https://bugs.webkit.org/show_bug.cgi?id=15256 -var removeZWS = function ( root ) { +// Walk down the tree starting at the root and remove any ZWS. If the node only +// contained ZWS space then remove it too. We may want to keep one ZWS node at +// the bottom of the tree so the block can be selected. Define that node as the +// keepNode. +var removeZWS = function ( root, keepNode ) { var walker = new TreeWalker( root, SHOW_TEXT, function () { return true; }, false ), parent, node, index; while ( node = walker.nextNode() ) { - while ( ( index = node.data.indexOf( ZWS ) ) > -1 ) { + while ( ( index = node.data.indexOf( ZWS ) ) > -1 && + ( !keepNode || node.parentNode !== keepNode ) ) { if ( node.length === 1 ) { do { parent = node.parentNode; @@ -2813,19 +2947,39 @@ proto._updatePath = function ( range, force ) { } }; +// selectionchange is fired synchronously in IE when removing current selection +// and when setting new selection; keyup/mouseup may have processing we want +// to do first. Either way, send to next event loop. proto._updatePathOnEvent = function () { - this._updatePath( this.getSelection() ); + var self = this; + if ( !self._willUpdatePath ) { + self._willUpdatePath = true; + setTimeout( function () { + self._willUpdatePath = false; + self._updatePath( self.getSelection() ); + }, 0 ); + } }; // --- Focus --- proto.focus = function () { this._root.focus(); + + if ( isIE ) { + this.fireEvent( 'focus' ); + } + return this; }; proto.blur = function () { this._root.blur(); + + if ( isIE ) { + this.fireEvent( 'blur' ); + } + return this; }; @@ -2871,38 +3025,31 @@ proto._getRangeAndRemoveBookmark = function ( range ) { if ( start && end ) { var startContainer = start.parentNode, endContainer = end.parentNode, - collapsed; - - var _range = { - startContainer: startContainer, - endContainer: endContainer, - startOffset: indexOf.call( startContainer.childNodes, start ), - endOffset: indexOf.call( endContainer.childNodes, end ) - }; + startOffset = indexOf.call( startContainer.childNodes, start ), + endOffset = indexOf.call( endContainer.childNodes, end ); if ( startContainer === endContainer ) { - _range.endOffset -= 1; + endOffset -= 1; } detach( start ); detach( end ); - // Merge any text nodes we split - mergeInlines( startContainer, _range ); - if ( startContainer !== endContainer ) { - mergeInlines( endContainer, _range ); - } - if ( !range ) { range = this._doc.createRange(); } - range.setStart( _range.startContainer, _range.startOffset ); - range.setEnd( _range.endContainer, _range.endOffset ); - collapsed = range.collapsed; + range.setStart( startContainer, startOffset ); + range.setEnd( endContainer, endOffset ); + + // Merge any text nodes we split + mergeInlines( startContainer, range ); + if ( startContainer !== endContainer ) { + mergeInlines( endContainer, range ); + } // If we didn't split a text node, we should move into any adjacent // text node to current selection point - if ( collapsed ) { + if ( range.collapsed ) { startContainer = range.startContainer; if ( startContainer.nodeType === TEXT_NODE ) { endContainer = startContainer.childNodes[ range.startOffset ]; @@ -2959,19 +3106,37 @@ proto._recordUndoState = function ( range ) { // Don't record if we're already in an undo state if ( !this._isInUndoState ) { // Advance pointer to new position - var undoIndex = this._undoIndex += 1, - undoStack = this._undoStack; + var undoIndex = this._undoIndex += 1; + var undoStack = this._undoStack; + var undoConfig = this._config.undo; + var undoThreshold = undoConfig.documentSizeThreshold; + var undoLimit = undoConfig.undoLimit; + var html; // Truncate stack if longer (i.e. if has been previously undone) if ( undoIndex < this._undoStackLength ) { undoStack.length = this._undoStackLength = undoIndex; } - // Write out data + // Get data if ( range ) { this._saveRangeToBookmark( range ); } - undoStack[ undoIndex ] = this._getHTML(); + html = this._getHTML(); + + // If this document is above the configured size threshold, + // limit the number of saved undo states. + // Threshold is in bytes, JS uses 2 bytes per character + if ( undoThreshold > -1 && html.length * 2 > undoThreshold ) { + if ( undoLimit > -1 && undoIndex > undoLimit ) { + undoStack.splice( 0, undoIndex - undoLimit ); + undoIndex = this._undoIndex = undoLimit; + this._undoStackLength = undoLimit; + } + } + + // Save data + undoStack[ undoIndex ] = html; this._undoStackLength += 1; this._isInUndoState = true; } @@ -3141,13 +3306,21 @@ proto._addFormat = function ( tag, attributes, range ) { // it round the range and focus it. var root = this._root; var el, walker, startContainer, endContainer, startOffset, endOffset, - node, needsFormat; + node, needsFormat, block; if ( range.collapsed ) { el = fixCursor( this.createElement( tag, attributes ), root ); insertNodeInRange( range, el ); range.setStart( el.firstChild, el.firstChild.length ); range.collapse( true ); + + // Clean up any previous formats that may have been set on this block + // that are unused. + block = el; + while ( isInline( block ) ) { + block = block.parentNode; + } + removeZWS( block, el ); } // Otherwise we find all the textnodes in the range (splitting // partially selected nodes) and if they're not already formatted @@ -3162,8 +3335,8 @@ proto._addFormat = function ( tag, attributes, range ) { // to apply when the user types something in the block, which is // presumably what was intended. // - // IMG tags are included because we may want to create a link around them, - // and adding other styles is harmless. + // IMG tags are included because we may want to create a link around + // them, and adding other styles is harmless. walker = new TreeWalker( range.commonAncestorContainer, SHOW_TEXT|SHOW_ELEMENT, @@ -3342,15 +3515,7 @@ proto._removeFormat = function ( tag, attributes, range, partial ) { if ( fixer ) { range.collapse( false ); } - var _range = { - startContainer: range.startContainer, - startOffset: range.startOffset, - endContainer: range.endContainer, - endOffset: range.endOffset - }; - mergeInlines( root, _range ); - range.setStart( _range.startContainer, _range.startOffset ); - range.setEnd( _range.endContainer, _range.endOffset ); + mergeInlines( root, range ); return range; }; @@ -3358,7 +3523,7 @@ proto._removeFormat = function ( tag, attributes, range, partial ) { proto.changeFormat = function ( add, remove, range, partial ) { // Normalise the arguments and get selection if ( !range && !( range = this.getSelection() ) ) { - return; + return this; } // Save undo checkpoint @@ -3769,6 +3934,7 @@ proto.setHTML = function ( html ) { // anything calls getSelection before first focus, we have a range // to return. this._lastSelection = range; + enableRestoreSelection.call( this ); this._updatePath( range, true ); return this; @@ -3820,7 +3986,7 @@ proto.insertElement = function ( el, range ) { proto.insertImage = function ( src, attributes ) { var img = this.createElement( 'IMG', mergeObjects({ src: src - }, attributes )); + }, attributes, true )); this.insertElement( img ); return img; }; @@ -3851,7 +4017,7 @@ var addLinks = function ( frag, root, self ) { match[1] : 'http://' + match[1] : 'mailto:' + match[2] - }, defaultAttributes )); + }, defaultAttributes, false )); child.textContent = data.slice( index, endIndex ); parent.insertBefore( child, node ); node.data = data = data.slice( endIndex ); @@ -3864,27 +4030,35 @@ var addLinks = function ( frag, root, self ) { // by the html being inserted. proto.insertHTML = function ( html, isPaste ) { var range = this.getSelection(); - var frag = this._doc.createDocumentFragment(); - var div = this.createElement( 'DIV' ); + var doc = this._doc; var startFragmentIndex, endFragmentIndex; - var root, node, event; + var div, frag, root, node, event; // Edge doesn't just copy the fragment, but includes the surrounding guff - // including the full of the page. Need to strip this out. In the - // future should probably run all pastes through DOMPurify, but this will - // do for now - if ( isPaste ) { - startFragmentIndex = html.indexOf( '' ); - endFragmentIndex = html.lastIndexOf( '' ); - if ( startFragmentIndex > -1 && endFragmentIndex > -1 ) { - html = html.slice( startFragmentIndex + 20, endFragmentIndex ); + // including the full of the page. Need to strip this out. If + // available use DOMPurify to parse and sanitise. + if ( typeof DOMPurify !== 'undefined' && DOMPurify.isSupported ) { + frag = DOMPurify.sanitize( html, { + WHOLE_DOCUMENT: false, + RETURN_DOM: true, + RETURN_DOM_FRAGMENT: true + }); + frag = doc.importNode( frag, true ); + } else { + if ( isPaste ) { + startFragmentIndex = html.indexOf( '' ); + endFragmentIndex = html.lastIndexOf( '' ); + if ( startFragmentIndex > -1 && endFragmentIndex > -1 ) { + html = html.slice( startFragmentIndex + 20, endFragmentIndex ); + } } + // Parse HTML into DOM tree + div = this.createElement( 'DIV' ); + div.innerHTML = html; + frag = doc.createDocumentFragment(); + frag.appendChild( empty( div ) ); } - // Parse HTML into DOM tree - div.innerHTML = html; - frag.appendChild( empty( div ) ); - // Record undo checkpoint this.saveUndoState( range ); @@ -3924,6 +4098,10 @@ proto.insertHTML = function ( html, isPaste ) { this.setSelection( range ); this._updatePath( range, true ); + // Safari sometimes loses focus after paste. Weird. + if ( isPaste ) { + this.focus(); + } } catch ( error ) { this.didError( error ); } @@ -4012,12 +4190,13 @@ proto.makeLink = function ( url, attributes ) { this._doc.createTextNode( url.slice( protocolEnd ) ) ); } - - if ( !attributes ) { - attributes = {}; - } - mergeObjects( attributes, this._config.tagAttributes.a ); - attributes.href = url; + attributes = mergeObjects( + mergeObjects({ + href: url + }, attributes, true ), + this._config.tagAttributes.a, + false + ); this.changeFormat({ tag: 'A', @@ -4035,27 +4214,27 @@ proto.removeLink = function () { }; proto.setFontFace = function ( name ) { - this.changeFormat({ + this.changeFormat( name ? { tag: 'SPAN', attributes: { 'class': 'font', style: 'font-family: ' + name + ', sans-serif;' } - }, { + } : null, { tag: 'SPAN', attributes: { 'class': 'font' } }); return this.focus(); }; proto.setFontSize = function ( size ) { - this.changeFormat({ + this.changeFormat( size ? { tag: 'SPAN', attributes: { 'class': 'size', style: 'font-size: ' + ( typeof size === 'number' ? size + 'px' : size ) } - }, { + } : null, { tag: 'SPAN', attributes: { 'class': 'size' } }); @@ -4063,13 +4242,13 @@ proto.setFontSize = function ( size ) { }; proto.setTextColour = function ( colour ) { - this.changeFormat({ + this.changeFormat( colour ? { tag: 'SPAN', attributes: { 'class': 'colour', style: 'color:' + colour } - }, { + } : null, { tag: 'SPAN', attributes: { 'class': 'colour' } }); @@ -4077,13 +4256,13 @@ proto.setTextColour = function ( colour ) { }; proto.setHighlightColour = function ( colour ) { - this.changeFormat({ + this.changeFormat( colour ? { tag: 'SPAN', attributes: { 'class': 'highlight', style: 'background-color:' + colour } - }, { + } : colour, { tag: 'SPAN', attributes: { 'class': 'highlight' } }); @@ -4170,7 +4349,7 @@ proto.removeAllFormatting = function ( range ) { var cleanNodes = doc.createDocumentFragment(); var nodeAfterSplit = split( endContainer, endOffset, stopNode, root ); var nodeInSplit = split( startContainer, startOffset, stopNode, root ); - var nextNode, _range, childNodes; + var nextNode, childNodes; // Then replace contents in split with a cleaned version of the same: // blocks become default blocks, text and leaf nodes survive, everything @@ -4197,15 +4376,9 @@ proto.removeAllFormatting = function ( range ) { } // Merge text nodes at edges, if possible - _range = { - startContainer: stopNode, - startOffset: startOffset, - endContainer: stopNode, - endOffset: endOffset - }; - mergeInlines( stopNode, _range ); - range.setStart( _range.startContainer, _range.startOffset ); - range.setEnd( _range.endContainer, _range.endOffset ); + range.setStart( stopNode, startOffset ); + range.setEnd( stopNode, endOffset ); + mergeInlines( stopNode, range ); // And move back down the tree moveRangeBoundariesDownTree( range ); @@ -4226,6 +4399,32 @@ proto.removeList = command( 'modifyBlocks', removeList ); proto.increaseListLevel = command( 'modifyBlocks', increaseListLevel ); proto.decreaseListLevel = command( 'modifyBlocks', decreaseListLevel ); +// Range.js exports +Squire.getNodeBefore = getNodeBefore; +Squire.getNodeAfter = getNodeAfter; +Squire.insertNodeInRange = insertNodeInRange; +Squire.extractContentsOfRange = extractContentsOfRange; +Squire.deleteContentsOfRange = deleteContentsOfRange; +Squire.insertTreeFragmentIntoRange = insertTreeFragmentIntoRange; +Squire.isNodeContainedInRange = isNodeContainedInRange; +Squire.moveRangeBoundariesDownTree = moveRangeBoundariesDownTree; +Squire.moveRangeBoundariesUpTree = moveRangeBoundariesUpTree; +Squire.getStartBlockOfRange = getStartBlockOfRange; +Squire.getEndBlockOfRange = getEndBlockOfRange; +Squire.contentWalker = contentWalker; +Squire.rangeDoesStartAtBlockBoundary = rangeDoesStartAtBlockBoundary; +Squire.rangeDoesEndAtBlockBoundary = rangeDoesEndAtBlockBoundary; +Squire.expandRangeToBlockBoundaries = expandRangeToBlockBoundaries; + +// Clipboard.js exports +Squire.onPaste = onPaste; + +// Editor.js 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void(this._ignoreChange=!1);this._isInUndoState&&(this._isInUndoState=!1,this.fireEvent("undoStateChange",{canUndo:!0,canRedo:!1})),this.fireEvent("input")}},rn._recordUndoState=function(e){if(!this._isInUndoState){var t,n=this._undoIndex+=1,o=this._undoStack,i=this._config.undo,r=i.documentSizeThreshold,a=i.undoLimit;n-1&&2*t.length>r&&a>-1&&n>a&&(o.splice(0,n-a),n=this._undoIndex=a,this._undoStackLength=a),o[n]=t,this._undoStackLength+=1,this._isInUndoState=!0}},rn.saveUndoState=function(e){return e===t&&(e=this.getSelection()),this._isInUndoState||(this._recordUndoState(e),this._getRangeAndRemoveBookmark(e)),this},rn.undo=function(){if(0!==this._undoIndex||!this._isInUndoState){this._recordUndoState(this.getSelection()),this._undoIndex-=1,this._setHTML(this._undoStack[this._undoIndex]);var e=this._getRangeAndRemoveBookmark();e&&this.setSelection(e),this._isInUndoState=!0,this.fireEvent("undoStateChange",{canUndo:0!==this._undoIndex,canRedo:!0}),this.fireEvent("input")}return this},rn.redo=function(){var e=this._undoIndex,t=this._undoStackLength;if(t>e+1&&this._isInUndoState){this._undoIndex+=1,this._setHTML(this._undoStack[this._undoIndex]); +var n=this._getRangeAndRemoveBookmark();n&&this.setSelection(n),this.fireEvent("undoStateChange",{canUndo:!0,canRedo:t>e+2}),this.fireEvent("input")}return this},rn.hasFormat=function(e,t,o){if(e=e.toUpperCase(),t||(t={}),!o&&!(o=this.getSelection()))return!1;!o.collapsed&&o.startContainer.nodeType===F&&o.startOffset===o.startContainer.length&&o.startContainer.nextSibling&&o.setStartBefore(o.startContainer.nextSibling),!o.collapsed&&o.endContainer.nodeType===F&&0===o.endOffset&&o.endContainer.previousSibling&&o.setEndAfter(o.endContainer.previousSibling);var i,r,a=this._root,s=o.commonAncestorContainer;if(f(s,a,e,t))return!0;if(s.nodeType===F)return!1;i=new n(s,z,function(e){return bt(o,e,!0)},!1);for(var d=!1;r=i.nextNode();){if(!f(r,a,e,t))return!1;d=!0}return d},rn.getFontInfo=function(e){var n,o,i,r={color:t,backgroundColor:t,family:t,size:t},a=0;if(!e&&!(e=this.getSelection()))return r;if(n=e.commonAncestorContainer,e.collapsed||n.nodeType===F)for(n.nodeType===F&&(n=n.parentNode);4>a&&n;)(o=n.style)&&(!r.color&&(i=o.color)&&(r.color=i,a+=1),!r.backgroundColor&&(i=o.backgroundColor)&&(r.backgroundColor=i,a+=1),!r.family&&(i=o.fontFamily)&&(r.family=i,a+=1),!r.size&&(i=o.fontSize)&&(r.size=i,a+=1)),n=n.parentNode;return r},rn._addFormat=function(e,t,o){var i,a,s,d,l,c,h,u,p,g=this._root;if(o.collapsed){for(i=S(this.createElement(e,t),g),St(o,i),o.setStart(i.firstChild,i.firstChild.length),o.collapse(!0),p=i;r(p);)p=p.parentNode;dn(p,i)}else{if(a=new n(o.commonAncestorContainer,z|W,function(e){return(e.nodeType===F||"BR"===e.nodeName||"IMG"===e.nodeName)&&bt(o,e,!0)},!1),s=o.startContainer,l=o.startOffset,d=o.endContainer,c=o.endOffset,a.currentNode=s,a.filter(s)||(s=a.nextNode(),l=0),!s)return o;do 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