From 6b754d423c661c339a76bf4f89fba6fcde708d29 Mon Sep 17 00:00:00 2001
From: Neil Jenkins <neil@nmjenkins.com>
Date: Mon, 7 Apr 2014 13:05:44 +1000
Subject: [PATCH] Add support mult-level lists.

* Hit tab to increase list depth, or call increaseListLevel method.
* Hit enter on a blank item to decrease list depth, or call decreaseListLevel method.
---
 build/squire-raw.js | 227 +++++++++++++++++++++++++++++++-------------
 build/squire.js     |   4 +-
 source/Editor.js    | 205 ++++++++++++++++++++++++++-------------
 source/Node.js      |  20 +++-
 source/intro.js     |   2 +-
 5 files changed, 320 insertions(+), 138 deletions(-)

diff --git a/build/squire-raw.js b/build/squire-raw.js
index aef88b9..28f83c8 100644
--- a/build/squire-raw.js
+++ b/build/squire-raw.js
@@ -1,6 +1,6 @@
 /* Copyright © 2011-2013 by Neil Jenkins. MIT Licensed. */
 
-( function ( doc ) {
+( function ( doc, undefined ) {
 
 "use strict";
 /*global doc, navigator */
@@ -506,26 +506,40 @@ function mergeWithBlock ( block, next, range ) {
 
 function mergeContainers ( node ) {
     var prev = node.previousSibling,
-        first = node.firstChild;
+        first = node.firstChild,
+        isListItem = ( node.nodeName === 'LI' );
+
+    // Do not merge LIs, unless it only contains a UL
+    if ( isListItem && ( !first || !/^[OU]L$/.test( first.nodeName ) ) ) {
+        return;
+    }
+
     if ( prev && areAlike( prev, node ) && isContainer( prev ) ) {
         detach( node );
         prev.appendChild( empty( node ) );
         if ( first ) {
             mergeContainers( first );
         }
+    } else if ( isListItem ) {
+        prev = node.ownerDocument.createElement( 'div' );
+        node.insertBefore( prev, first );
+        fixCursor( prev );
     }
 }
 
 function createElement ( doc, tag, props, children ) {
     var el = doc.createElement( tag ),
-        attr, i, l;
+        attr, value, i, l;
     if ( props instanceof Array ) {
         children = props;
         props = null;
     }
     if ( props ) {
         for ( attr in props ) {
-            el.setAttribute( attr, props[ attr ] );
+            value = props[ attr ];
+            if ( value !== undefined ) {
+                el.setAttribute( attr, props[ attr ] );
+            }
         }
     }
     if ( children ) {
@@ -1076,6 +1090,7 @@ var expandRangeToBlockBoundaries = function ( range ) {
     isInline,
     isBlock,
     isContainer,
+    getBlockWalker,
     getPreviousBlock,
     getNextBlock,
     getNearest,
@@ -2023,83 +2038,128 @@ var removeBlockQuote = function ( frag ) {
     return frag;
 };
 
-var makeList = function ( self, nodes, type ) {
-    var i, l, node, tag, prev, replacement;
-    for ( i = 0, l = nodes.length; i < l; i += 1 ) {
-        node = nodes[i];
-        tag = node.nodeName;
-        if ( isBlock( node ) ) {
-            if ( tag !== 'LI' ) {
-                replacement = self.createElement( 'LI', {
-                    'class': node.dir === 'rtl' ? 'dir-rtl' : '',
-                    dir: node.dir
-                }, [
-                    empty( node )
-                ]);
-                if ( node.parentNode.nodeName === type ) {
-                    replaceWith( node, replacement );
-                }
-                else if ( ( prev = node.previousSibling ) &&
-                        prev.nodeName === type ) {
-                    prev.appendChild( replacement );
-                    detach( node );
-                    i -= 1;
-                    l -= 1;
-                }
-                else {
-                    replaceWith(
-                        node,
-                        self.createElement( type, [
-                            replacement
-                        ])
-                    );
-                }
+var makeList = function ( self, frag, type ) {
+    var walker = getBlockWalker( frag ),
+        node, tag, prev, newLi;
+
+    while ( node = walker.nextNode() ) {
+        tag = node.parentNode.nodeName;
+        if ( tag !== 'LI' ) {
+            newLi = self.createElement( 'LI', {
+                'class': node.dir === 'rtl' ? 'dir-rtl' : undefined,
+                dir: node.dir || undefined
+            });
+            // Have we replaced the previous block with a new <ul>/<ol>?
+            if ( ( prev = node.previousSibling ) &&
+                    prev.nodeName === type ) {
+                prev.appendChild( newLi );
             }
-        } else if ( isContainer( node ) ) {
-            if ( tag !== type && ( /^[DOU]L$/.test( tag ) ) ) {
+            // Otherwise, replace this block with the <ul>/<ol>
+            else {
+                replaceWith(
+                    node,
+                    self.createElement( type, [
+                        newLi
+                    ])
+                );
+            }
+            newLi.appendChild( node );
+        } else {
+            node = node.parentNode.parentNode;
+            tag = node.nodeName;
+            if ( tag !== type && ( /^[OU]L$/.test( tag ) ) ) {
                 replaceWith( node,
                     self.createElement( type, [ empty( node ) ] )
                 );
-            } else {
-                makeList( self, node.childNodes, type );
             }
         }
     }
 };
 
 var makeUnorderedList = function ( frag ) {
-    makeList( this, frag.childNodes, 'UL' );
+    makeList( this, frag, 'UL' );
     return frag;
 };
 
 var makeOrderedList = function ( frag ) {
-    makeList( this, frag.childNodes, 'OL' );
+    makeList( this, frag, 'OL' );
+    return frag;
+};
+
+var removeList = function ( frag ) {
+    var lists = frag.querySelectorAll( 'UL, OL' ),
+        i, l, ll, list, listFrag, children, child;
+    for ( i = 0, l = lists.length; i < l; i += 1 ) {
+        list = lists[i];
+        listFrag = empty( list );
+        children = listFrag.childNodes;
+        ll = children.length;
+        while ( ll-- ) {
+            child = children[ll];
+            replaceWith( child, empty( child ) );
+        }
+        wrapTopLevelInline( listFrag, 'DIV' );
+        replaceWith( list, listFrag );
+    }
+    return frag;
+};
+
+var increaseListLevel = function ( frag ) {
+    var items = frag.querySelectorAll( 'LI' ),
+        i, l, item,
+        type, newParent;
+    for ( i = 0, l = items.length; i < l; i += 1 ) {
+        item = items[i];
+        if ( !isContainer( item.firstChild ) ) {
+            // type => 'UL' or 'OL'
+            type = item.parentNode.nodeName;
+            newParent = item.previousSibling;
+            if ( !newParent || !( newParent = newParent.lastChild ) ||
+                    newParent.nodeName !== type ) {
+                replaceWith(
+                    item,
+                    this.createElement( 'LI', [
+                        newParent = this.createElement( type )
+                    ])
+                );
+            }
+            newParent.appendChild( item );
+        }
+    }
     return frag;
 };
 
 var decreaseListLevel = function ( frag ) {
-    var lists = frag.querySelectorAll( 'UL, OL' );
-    Array.prototype.filter.call( lists, function ( el ) {
-        return !getNearest( el.parentNode, 'UL' ) &&
-            !getNearest( el.parentNode, 'OL' );
-    }).forEach( function ( el ) {
-        var frag = empty( el ),
-            children = frag.childNodes,
-            l = children.length,
-            child;
-        while ( l-- ) {
-            child = children[l];
-            if ( child.nodeName === 'LI' ) {
-                frag.replaceChild( this.createElement( 'DIV', {
-                    'class': child.dir === 'rtl' ? 'dir-rtl' : '',
-                    dir: child.dir
-                }, [
-                    empty( child )
-                ]), child );
-            }
+    var items = frag.querySelectorAll( 'LI' );
+    Array.prototype.filter.call( items, function ( el ) {
+        return !isContainer( el.firstChild );
+    }).forEach( function ( item ) {
+        var parent = item.parentNode,
+            newParent = parent.parentNode,
+            first = item.firstChild,
+            node = first,
+            next;
+        if ( item.previousSibling ) {
+            parent = split( parent, item, newParent );
+        }
+        while ( node ) {
+            next = node.nextSibling;
+            if ( isContainer( node ) ) {
+                break;
+            }
+            newParent.insertBefore( node, parent );
+            node = next;
+        }
+        if ( newParent.nodeName === 'LI' && first.previousSibling ) {
+            split( newParent, first, newParent.parentNode );
+        }
+        while ( item !== frag && !item.childNodes.length ) {
+            parent = item.parentNode;
+            parent.removeChild( item );
+            item = parent;
         }
-        replaceWith( el, frag );
     }, this );
+    wrapTopLevelInline( frag, 'DIV' );
     return frag;
 };
 
@@ -2689,7 +2749,8 @@ var keyHandlers = {
         event.preventDefault();
 
         // Must have some form of selection
-        var range = self.getSelection();
+        var range = self.getSelection(),
+            block, parent, tag, splitTag, nodeAfterSplit;
         if ( !range ) { return; }
 
         // Save undo checkpoint and add any links in the preceding section.
@@ -2703,10 +2764,12 @@ var keyHandlers = {
             deleteContentsOfRange( range );
         }
 
-        var block = getStartBlockOfRange( range ),
-            tag = block ? block.nodeName : 'DIV',
-            splitTag = tagAfterSplit[ tag ],
-            nodeAfterSplit;
+        block = getStartBlockOfRange( range );
+        if ( block && ( parent = getNearest( block, 'LI' ) ) ) {
+            block = parent;
+        }
+        tag = block ? block.nodeName : 'DIV';
+        splitTag = tagAfterSplit[ tag ];
 
         // If this is a malformed bit of document, just play it safe
         // and insert a <br>.
@@ -2725,7 +2788,7 @@ var keyHandlers = {
             replacement;
         if ( !splitTag ) {
             // If the selection point is inside the block, we're going to
-            // rewrite it so our saved referece points won't be valid.
+            // rewrite it so our saved reference points won't be valid.
             // Pick a node at a deeper point in the tree to avoid this.
             if ( splitNode === block ) {
                 splitNode = splitOffset ?
@@ -2943,6 +3006,31 @@ var keyHandlers = {
             setTimeout( function () { afterDelete( self ); }, 0 );
         }
     },
+    tab: function ( self, event ) {
+        var range = self.getSelection(),
+            node, parent;
+        // If no selection and in an empty block
+        if ( range.collapsed &&
+                rangeDoesStartAtBlockBoundary( range ) &&
+                rangeDoesEndAtBlockBoundary( range ) ) {
+            node = getStartBlockOfRange( range );
+            // Iterate through the block's parents
+            while ( parent = node.parentNode ) {
+                // If we find a UL or OL (so are in a list, node must be an LI)
+                if ( /^[OU]L$/.test( parent.nodeName ) ) {
+                    // AND the LI is not the first in the list
+                    if ( node.previousSibling ) {
+                        // Then increase the list level
+                        event.preventDefault();
+                        self.modifyBlocks( increaseListLevel, range );
+                    }
+                    break;
+                }
+                node = parent;
+            }
+            event.preventDefault();
+        }
+    },
     space: function ( self ) {
         var range = self.getSelection();
         self._recordUndoState( range );
@@ -3312,7 +3400,10 @@ proto.decreaseQuoteLevel = command( 'modifyBlocks', decreaseBlockQuoteLevel );
 
 proto.makeUnorderedList = command( 'modifyBlocks', makeUnorderedList );
 proto.makeOrderedList = command( 'modifyBlocks', makeOrderedList );
-proto.removeList = command( 'modifyBlocks', decreaseListLevel );
+proto.removeList = command( 'modifyBlocks', removeList );
+
+proto.increaseListLevel = command( 'modifyBlocks', increaseListLevel );
+proto.decreaseListLevel = command( 'modifyBlocks', decreaseListLevel );
 /*global top, win, doc, Squire */
 
 if ( top !== win ) {
diff --git a/build/squire.js b/build/squire.js
index fd8d3c7..840cc59 100644
--- a/build/squire.js
+++ b/build/squire.js
@@ -1,2 +1,2 @@
-!function(e){"use strict";function t(e,t,n){this.root=this.currentNode=e,this.nodeType=t,this.filter=n}function n(e,t){for(var n=e.length;n--;)if(!t(e[n]))return!1;return!0}function r(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 o(e,t){return e.nodeType===t.nodeType&&e.nodeName===t.nodeName&&e.className===t.className&&(!e.style&&!t.style||e.style.cssText===t.style.cssText)}function i(e){return e.nodeType===b&&!!tt[e.nodeName]}function a(e){return et.test(e.nodeName)}function s(e){return e.nodeType===b&&!a(e)&&n(e.childNodes,a)}function d(e){return e.nodeType===b&&!a(e)&&!s(e)}function l(e){return s(e)?O:P}function c(e){var n=e.ownerDocument,r=new t(n.body,x,l,!1);return r.currentNode=e,r}function h(e){return c(e).previousNode()}function f(e){return c(e).nextNode()}function u(e,t,n){do if(r(e,t,n))return e;while(e=e.parentNode);return null}function p(e){var t,n,r,o,i=e.parentNode;return i&&e.nodeType===b?(t=p(i),t+=(t?">":"")+e.nodeName,(n=e.id)&&(t+="#"+n),(r=e.className.trim())&&(o=r.split(/\s\s*/),o.sort(),t+=".",t+=o.join("."))):t=i?p(i):"",t}function m(e){var t=e.nodeType;return t===b?e.childNodes.length:e.length||0}function g(e){var t=e.parentNode;return t&&t.removeChild(e),e}function v(e,t){var n=e.parentNode;n&&n.replaceChild(t,e)}function N(e){for(var t=e.ownerDocument.createDocumentFragment(),n=e.childNodes,r=n?n.length:0;r--;)t.appendChild(e.firstChild);return t}function C(e){var t,n,r=e.ownerDocument,o=e;if("BODY"===e.nodeName&&((n=e.firstChild)&&"BR"!==n.nodeName||(t=r.createElement("DIV"),n?e.replaceChild(t,n):e.appendChild(t),e=t,t=null)),a(e))e.firstChild||(Y?(t=r.createTextNode("​"),w.editor&&w.editor._setPlaceholderTextNode(t)):t=r.createTextNode(""));else if(Q){for(;e.nodeType!==k&&!i(e);){if(n=e.firstChild,!n){t=r.createTextNode("");break}e=n}e.nodeType===k?/^ 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R(e,"SPAN",{"class":"font",style:"font-family:"+t})}},fontSize:{regexp:Z,replace:function(e,t){return R(e,"SPAN",{"class":"size",style:"font-size:"+t})}}},Vt=function(e){return function(t,n){var r=R(t.ownerDocument,e);return n.replaceChild(r,t),r.appendChild(C(t)),r}},Ht={SPAN:function(e,t){var n,r,o,i,a,s,d=e.style,l=e.ownerDocument;for(n in Ft)r=Ft[n],o=d[n],o&&r.regexp.test(o)&&(s=r.replace(l,o),i&&i.appendChild(s),i=s,a||(a=s));return a&&(i.appendChild(C(e)),t.replaceChild(a,e)),i||e},STRONG:Vt("B"),EM:Vt("I"),STRIKE:Vt("S"),FONT:function(e,t){var n,r,o,i,a,s=e.face,d=e.size,l=e.color,c=e.ownerDocument;return s&&(n=R(c,"SPAN",{"class":"font",style:"font-family:"+s}),a=n,i=n),d&&(r=R(c,"SPAN",{"class":"size",style:"font-size:"+wt[d]+"px"}),a||(a=r),i&&i.appendChild(r),i=r),l&&/^#?([\dA-F]{3}){1,2}$/i.test(l)&&("#"!==l.charAt(0)&&(l="#"+l),o=R(c,"SPAN",{"class":"colour",style:"color:"+l}),a||(a=o),i&&i.appendChild(o),i=o),a||(a=i=R(c,"SPAN")),t.replaceChild(a,e),i.appendChild(C(e)),i},TT:function(e,t){var n=R(e.ownerDocument,"SPAN",{"class":"font",style:'font-family:menlo,consolas,"courier new",monospace'});return t.replaceChild(n,e),n.appendChild(C(e)),n}},Mt=function(e){for(var t,n=e.childNodes,r=n.length;r--;)t=n[r],t.nodeType===k&&"IMG"!==t.nodeName&&(Mt(t),s(t)&&!t.firstChild&&e.removeChild(t))},Kt=function(e,t){var n,r,o,i,a,d,l,c=e.childNodes;for(n=0,r=c.length;r>n;n+=1)if(o=c[n],i=o.nodeName,a=o.nodeType,d=Ht[i],a===k){if(l=o.childNodes.length,d)o=d(o,e);else{if(!Ut.test(i)&&!s(o)){n-=1,r+=l-1,e.replaceChild(C(o),o);continue}!t&&o.style.cssText&&o.removeAttribute("style")}l&&Kt(o,t)}else a===x&&(Z.test(o.data)||n>0&&s(c[n-1])||r>n+1&&s(c[n+1]))||(e.removeChild(o),n-=1,r-=1);return e},qt=function(e,t){var n,r,o,i,a=e.childNodes,d=e.ownerDocument,l=null;for(n=0,r=a.length;r>n;n+=1)o=a[n],i="BR"===o.nodeName,!i&&s(o)?(l||(l=R(d,t)),l.appendChild(o),n-=1,r-=1):(i||l)&&(l||(l=R(d,t)),S(l),i?e.replaceChild(l,o):(e.insertBefore(l,o),n+=1,r+=1),l=null);return l&&e.appendChild(S(l)),e},zt=function(e){return(e.nodeType===k?"BR"===e.nodeName:Z.test(e.data))?P:L},Wt=function(e){for(var t,r=e.parentNode;s(r);)r=r.parentNode;return t=new n(r,A|O,zt),t.currentNode=e,!!t.nextNode()},Gt=function(e){var t,n,r,o=e.querySelectorAll("BR"),i=[],a=o.length;for(t=0;a>t;t+=1)i[t]=Wt(o[t]);for(;a--;)if(n=o[a],r=n.parentNode){for(;s(r);)r=r.parentNode;d(r)&&Et[r.nodeName]?(i[a]&&Tt(r,n.parentNode,n),v(n)):qt(r,"DIV")}};Ct._onCut=function(){var e=this.getSelection(),t=this;this._recordUndoState(e),this._getRangeAndRemoveBookmark(e),this.setSelection(e),setTimeout(function(){try{S(t._body)}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,h=l.startOffset,f=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=C(v(m)),t=e.firstChild,n=s._createRange(c,h,f,p);if(t){t===e.lastChild&&"DIV"===t.nodeName&&e.replaceChild(C(t),t),e.normalize(),It(e),Kt(e,!1),Gt(e),Mt(e);for(var r=e,o=!0;r=u(r);)S(r);s.fireEvent("willPaste",{fragment:e,preventDefault:function(){o=!1}}),o&&(ct(n,e),s._docWasChanged(),n.collapse(!1))}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"},$t=function(e){return function(t,n){n.preventDefault(),t[e]()}},Yt=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)}},jt=function(e){try{var t,n=e.getSelection(),r=n.startContainer;if(r.nodeType===x&&(r=r.parentNode),s(r)&&!r.textContent){do t=r.parentNode;while(s(t)&&!t.textContent&&(r=t));n.setStart(t,J.call(t.childNodes,r)),n.collapse(!0),t.removeChild(r),d(t)||(t=f(t)),S(t),ft(n),e.setSelection(n),e._updatePath(n)}}catch(o){e.didError(o)}};z&&(Ct._ieSelAllClean=function(){var e=this._body.firstChild;"P"===e.nodeName&&(this._saveRangeToBookmark(this.getSelection()),N(e,this.createElement("DIV",[C(e)])),this.setSelection(this._getRangeAndRemoveBookmark()))});var Xt={enter:function(e,t){t.preventDefault();var n,r,o,i,a,s=e.getSelection();if(s){if(e._recordUndoState(s),It(s.startContainer),e._getRangeAndRemoveBookmark(s),s.collapsed||lt(s),n=pt(s),n&&(r=p(n,"LI"))&&(n=r),o=n?n.nodeName:"DIV",i=Et[o],!n)return st(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=S(e.createElement("DIV")),l?n.replaceChild(d,l):n.appendChild(d),l=d))),qt(n,"DIV"),i="DIV",l||(l=n.firstChild),s.setStart(l,c),s.setEnd(l,c),n=pt(s)),!n.textContent){if(p(n,"UL")||p(n,"OL"))return e.modifyBlocks(Lt,s);if(p(n,"BLOCKQUOTE"))return e.modifyBlocks(Bt,s)}for(a=Tt(n,l,c);a.nodeType===k;){var h,f=a.firstChild;if("A"!==a.nodeName){for(;f&&f.nodeType===x&&!f.data&&(h=f.nextSibling,h&&"BR"!==h.nodeName);)v(f),f=h;if(!f||"BR"===f.nodeName||f.nodeType===x&&!W)break;a=f}else N(a,C(a)),a=f}s=e._createRange(a,0),e.setSelection(s),e._updatePath(s,!0),a.nodeType===x&&(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(gt(n)){e._recordUndoState(n),e._getRangeAndRemoveBookmark(n),t.preventDefault();var r=pt(n),o=r&&f(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(Lt,n);if(p(r,"BLOCKQUOTE"))return e.modifyBlocks(bt,n);e.setSelection(n),e._updatePath(n,!0)}}else{var i=n.startContainer.data||"";Z.test(i.charAt(n.startOffset-1))||(e._recordUndoState(n),e._getRangeAndRemoveBookmark(n),e.setSelection(n)),setTimeout(function(){jt(e)},0)}else e._recordUndoState(n),e._getRangeAndRemoveBookmark(n),t.preventDefault(),lt(n),e.setSelection(n),e._updatePath(n,!0)},"delete":function(e,t){var n=e.getSelection();if(n.collapsed)if(vt(n)){e._recordUndoState(n),e._getRangeAndRemoveBookmark(n),t.preventDefault();var r=pt(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||"";Z.test(i.charAt(n.startOffset))||(e._recordUndoState(n),e._getRangeAndRemoveBookmark(n),e.setSelection(n)),setTimeout(function(){jt(e)},0)}else e._recordUndoState(n),e._getRangeAndRemoveBookmark(n),t.preventDefault(),lt(n),e.setSelection(n),e._updatePath(n,!0)},tab:function(e,t){var n,r,o=e.getSelection();if(o.collapsed&&gt(o)&&vt(o)){for(n=pt(o);r=n.parentNode;){if(/^[OU]L$/.test(r.nodeName)){n.previousSibling&&(t.preventDefault(),e.modifyBlocks(Pt,o));break}n=r}t.preventDefault()}},space:function(e){var t=e.getSelection();e._recordUndoState(t),It(t.startContainer),e._getRangeAndRemoveBookmark(t),e.setSelection(t)}};M&&K&&F.getSelection().modify&&(Xt["meta-left"]=function(e,t){t.preventDefault(),e._sel.modify("move","backward","lineboundary")},Xt["meta-right"]=function(e,t){t.preventDefault(),e._sel.modify("move","forward","lineboundary")}),Xt[Q+"b"]=Yt("B"),Xt[Q+"i"]=Yt("I"),Xt[Q+"u"]=Yt("U"),Xt[Q+"shift-7"]=Yt("S"),Xt[Q+"shift-5"]=Yt("SUB",{tag:"SUP"}),Xt[Q+"shift-6"]=Yt("SUP",{tag:"SUB"}),Xt[Q+"y"]=$t("redo"),Xt[Q+"z"]=$t("undo"),Xt[Q+"shift-z"]=$t("redo"),Ct._onKey=function(e){var t=e.keyCode,n=Qt[t]||String.fromCharCode(t).toLowerCase(),r="";W&&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,Xt[n]&&Xt[n](this,e)},Ct._getHTML=function(){return this._body.innerHTML},Ct._setHTML=function(e){var t=this._body;t.innerHTML=e;do S(t);while(t=u(t))},Ct.getHTML=function(e){var t,n,r,o,i,a=[];if(e&&(i=this.getSelection())&&this._saveRangeToBookmark(i),$)for(t=this._body;t=u(t);)t.textContent||t.querySelector("BR")||(n=this.createElement("BR"),t.appendChild(n),a.push(n));if(r=this._getHTML(),$)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(C(r)),Kt(n,!0),Gt(n),qt(n,"DIV");for(var o=n;o=u(o);)S(o);for(var i=this._body;t=i.lastChild;)i.removeChild(t);i.appendChild(n),S(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))st(t,e),t.setStartAfter(e);else{for(var n,r,o=this._body,i=pt(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),ft(t)):(o.appendChild(e),o.appendChild(S(this.createElement("div"))),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 Zt=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=Zt("changeFormat",{tag:"B"}),Ct.italic=Zt("changeFormat",{tag:"I"}),Ct.underline=Zt("changeFormat",{tag:"U"}),Ct.strikethrough=Zt("changeFormat",{tag:"S"}),Ct.subscript=Zt("changeFormat",{tag:"SUB"},{tag:"SUP"}),Ct.superscript=Zt("changeFormat",{tag:"SUP"},{tag:"SUB"}),Ct.removeBold=Zt("changeFormat",null,{tag:"B"}),Ct.removeItalic=Zt("changeFormat",null,{tag:"I"}),Ct.removeUnderline=Zt("changeFormat",null,{tag:"U"}),Ct.removeStrikethrough=Zt("changeFormat",null,{tag:"S"}),Ct.removeSubscript=Zt("changeFormat",null,{tag:"SUB"}),Ct.removeSuperscript=Zt("changeFormat",null,{tag:"SUP"}),Ct.makeLink=function(e){e=encodeURI(e);var t=this.getSelection();if(t.collapsed){var n=e.indexOf(":")+1;if(n)for(;"/"===e[n];)n+=1;st(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=Zt("modifyBlocks",Rt),Ct.decreaseQuoteLevel=Zt("modifyBlocks",bt),Ct.makeUnorderedList=Zt("modifyBlocks",xt),Ct.makeOrderedList=Zt("modifyBlocks",At),Ct.removeList=Zt("modifyBlocks",Ot),Ct.increaseListLevel=Zt("modifyBlocks",Pt),Ct.decreaseListLevel=Zt("modifyBlocks",Lt),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/source/Editor.js b/source/Editor.js
index 73ce755..a75bf97 100644
--- a/source/Editor.js
+++ b/source/Editor.js
@@ -28,6 +28,7 @@
     isInline,
     isBlock,
     isContainer,
+    getBlockWalker,
     getPreviousBlock,
     getNextBlock,
     getNearest,
@@ -975,83 +976,128 @@ var removeBlockQuote = function ( frag ) {
     return frag;
 };
 
-var makeList = function ( self, nodes, type ) {
-    var i, l, node, tag, prev, replacement;
-    for ( i = 0, l = nodes.length; i < l; i += 1 ) {
-        node = nodes[i];
-        tag = node.nodeName;
-        if ( isBlock( node ) ) {
-            if ( tag !== 'LI' ) {
-                replacement = self.createElement( 'LI', {
-                    'class': node.dir === 'rtl' ? 'dir-rtl' : '',
-                    dir: node.dir
-                }, [
-                    empty( node )
-                ]);
-                if ( node.parentNode.nodeName === type ) {
-                    replaceWith( node, replacement );
-                }
-                else if ( ( prev = node.previousSibling ) &&
-                        prev.nodeName === type ) {
-                    prev.appendChild( replacement );
-                    detach( node );
-                    i -= 1;
-                    l -= 1;
-                }
-                else {
-                    replaceWith(
-                        node,
-                        self.createElement( type, [
-                            replacement
-                        ])
-                    );
-                }
+var makeList = function ( self, frag, type ) {
+    var walker = getBlockWalker( frag ),
+        node, tag, prev, newLi;
+
+    while ( node = walker.nextNode() ) {
+        tag = node.parentNode.nodeName;
+        if ( tag !== 'LI' ) {
+            newLi = self.createElement( 'LI', {
+                'class': node.dir === 'rtl' ? 'dir-rtl' : undefined,
+                dir: node.dir || undefined
+            });
+            // Have we replaced the previous block with a new <ul>/<ol>?
+            if ( ( prev = node.previousSibling ) &&
+                    prev.nodeName === type ) {
+                prev.appendChild( newLi );
             }
-        } else if ( isContainer( node ) ) {
-            if ( tag !== type && ( /^[DOU]L$/.test( tag ) ) ) {
+            // Otherwise, replace this block with the <ul>/<ol>
+            else {
+                replaceWith(
+                    node,
+                    self.createElement( type, [
+                        newLi
+                    ])
+                );
+            }
+            newLi.appendChild( node );
+        } else {
+            node = node.parentNode.parentNode;
+            tag = node.nodeName;
+            if ( tag !== type && ( /^[OU]L$/.test( tag ) ) ) {
                 replaceWith( node,
                     self.createElement( type, [ empty( node ) ] )
                 );
-            } else {
-                makeList( self, node.childNodes, type );
             }
         }
     }
 };
 
 var makeUnorderedList = function ( frag ) {
-    makeList( this, frag.childNodes, 'UL' );
+    makeList( this, frag, 'UL' );
     return frag;
 };
 
 var makeOrderedList = function ( frag ) {
-    makeList( this, frag.childNodes, 'OL' );
+    makeList( this, frag, 'OL' );
+    return frag;
+};
+
+var removeList = function ( frag ) {
+    var lists = frag.querySelectorAll( 'UL, OL' ),
+        i, l, ll, list, listFrag, children, child;
+    for ( i = 0, l = lists.length; i < l; i += 1 ) {
+        list = lists[i];
+        listFrag = empty( list );
+        children = listFrag.childNodes;
+        ll = children.length;
+        while ( ll-- ) {
+            child = children[ll];
+            replaceWith( child, empty( child ) );
+        }
+        wrapTopLevelInline( listFrag, 'DIV' );
+        replaceWith( list, listFrag );
+    }
+    return frag;
+};
+
+var increaseListLevel = function ( frag ) {
+    var items = frag.querySelectorAll( 'LI' ),
+        i, l, item,
+        type, newParent;
+    for ( i = 0, l = items.length; i < l; i += 1 ) {
+        item = items[i];
+        if ( !isContainer( item.firstChild ) ) {
+            // type => 'UL' or 'OL'
+            type = item.parentNode.nodeName;
+            newParent = item.previousSibling;
+            if ( !newParent || !( newParent = newParent.lastChild ) ||
+                    newParent.nodeName !== type ) {
+                replaceWith(
+                    item,
+                    this.createElement( 'LI', [
+                        newParent = this.createElement( type )
+                    ])
+                );
+            }
+            newParent.appendChild( item );
+        }
+    }
     return frag;
 };
 
 var decreaseListLevel = function ( frag ) {
-    var lists = frag.querySelectorAll( 'UL, OL' );
-    Array.prototype.filter.call( lists, function ( el ) {
-        return !getNearest( el.parentNode, 'UL' ) &&
-            !getNearest( el.parentNode, 'OL' );
-    }).forEach( function ( el ) {
-        var frag = empty( el ),
-            children = frag.childNodes,
-            l = children.length,
-            child;
-        while ( l-- ) {
-            child = children[l];
-            if ( child.nodeName === 'LI' ) {
-                frag.replaceChild( this.createElement( 'DIV', {
-                    'class': child.dir === 'rtl' ? 'dir-rtl' : '',
-                    dir: child.dir
-                }, [
-                    empty( child )
-                ]), child );
-            }
+    var items = frag.querySelectorAll( 'LI' );
+    Array.prototype.filter.call( items, function ( el ) {
+        return !isContainer( el.firstChild );
+    }).forEach( function ( item ) {
+        var parent = item.parentNode,
+            newParent = parent.parentNode,
+            first = item.firstChild,
+            node = first,
+            next;
+        if ( item.previousSibling ) {
+            parent = split( parent, item, newParent );
+        }
+        while ( node ) {
+            next = node.nextSibling;
+            if ( isContainer( node ) ) {
+                break;
+            }
+            newParent.insertBefore( node, parent );
+            node = next;
+        }
+        if ( newParent.nodeName === 'LI' && first.previousSibling ) {
+            split( newParent, first, newParent.parentNode );
+        }
+        while ( item !== frag && !item.childNodes.length ) {
+            parent = item.parentNode;
+            parent.removeChild( item );
+            item = parent;
         }
-        replaceWith( el, frag );
     }, this );
+    wrapTopLevelInline( frag, 'DIV' );
     return frag;
 };
 
@@ -1641,7 +1687,8 @@ var keyHandlers = {
         event.preventDefault();
 
         // Must have some form of selection
-        var range = self.getSelection();
+        var range = self.getSelection(),
+            block, parent, tag, splitTag, nodeAfterSplit;
         if ( !range ) { return; }
 
         // Save undo checkpoint and add any links in the preceding section.
@@ -1655,10 +1702,12 @@ var keyHandlers = {
             deleteContentsOfRange( range );
         }
 
-        var block = getStartBlockOfRange( range ),
-            tag = block ? block.nodeName : 'DIV',
-            splitTag = tagAfterSplit[ tag ],
-            nodeAfterSplit;
+        block = getStartBlockOfRange( range );
+        if ( block && ( parent = getNearest( block, 'LI' ) ) ) {
+            block = parent;
+        }
+        tag = block ? block.nodeName : 'DIV';
+        splitTag = tagAfterSplit[ tag ];
 
         // If this is a malformed bit of document, just play it safe
         // and insert a <br>.
@@ -1677,7 +1726,7 @@ var keyHandlers = {
             replacement;
         if ( !splitTag ) {
             // If the selection point is inside the block, we're going to
-            // rewrite it so our saved referece points won't be valid.
+            // rewrite it so our saved reference points won't be valid.
             // Pick a node at a deeper point in the tree to avoid this.
             if ( splitNode === block ) {
                 splitNode = splitOffset ?
@@ -1895,6 +1944,31 @@ var keyHandlers = {
             setTimeout( function () { afterDelete( self ); }, 0 );
         }
     },
+    tab: function ( self, event ) {
+        var range = self.getSelection(),
+            node, parent;
+        // If no selection and in an empty block
+        if ( range.collapsed &&
+                rangeDoesStartAtBlockBoundary( range ) &&
+                rangeDoesEndAtBlockBoundary( range ) ) {
+            node = getStartBlockOfRange( range );
+            // Iterate through the block's parents
+            while ( parent = node.parentNode ) {
+                // If we find a UL or OL (so are in a list, node must be an LI)
+                if ( parent.nodeName === 'UL' || parent.nodeName === 'OL' ) {
+                    // AND the LI is not the first in the list
+                    if ( node.previousSibling ) {
+                        // Then increase the list level
+                        event.preventDefault();
+                        self.modifyBlocks( increaseListLevel, range );
+                    }
+                    break;
+                }
+                node = parent;
+            }
+            event.preventDefault();
+        }
+    },
     space: function ( self ) {
         var range = self.getSelection();
         self._recordUndoState( range );
@@ -2264,4 +2338,7 @@ proto.decreaseQuoteLevel = command( 'modifyBlocks', decreaseBlockQuoteLevel );
 
 proto.makeUnorderedList = command( 'modifyBlocks', makeUnorderedList );
 proto.makeOrderedList = command( 'modifyBlocks', makeOrderedList );
-proto.removeList = command( 'modifyBlocks', decreaseListLevel );
+proto.removeList = command( 'modifyBlocks', removeList );
+
+proto.increaseListLevel = command( 'modifyBlocks', increaseListLevel );
+proto.decreaseListLevel = command( 'modifyBlocks', decreaseListLevel );
diff --git a/source/Node.js b/source/Node.js
index ccd26cd..7139db3 100644
--- a/source/Node.js
+++ b/source/Node.js
@@ -364,26 +364,40 @@ function mergeWithBlock ( block, next, range ) {
 
 function mergeContainers ( node ) {
     var prev = node.previousSibling,
-        first = node.firstChild;
+        first = node.firstChild,
+        isListItem = ( node.nodeName === 'LI' );
+
+    // Do not merge LIs, unless it only contains a UL
+    if ( isListItem && ( !first || !/^[OU]L$/.test( first.nodeName ) ) ) {
+        return;
+    }
+
     if ( prev && areAlike( prev, node ) && isContainer( prev ) ) {
         detach( node );
         prev.appendChild( empty( node ) );
         if ( first ) {
             mergeContainers( first );
         }
+    } else if ( isListItem ) {
+        prev = node.ownerDocument.createElement( 'div' );
+        node.insertBefore( prev, first );
+        fixCursor( prev );
     }
 }
 
 function createElement ( doc, tag, props, children ) {
     var el = doc.createElement( tag ),
-        attr, i, l;
+        attr, value, i, l;
     if ( props instanceof Array ) {
         children = props;
         props = null;
     }
     if ( props ) {
         for ( attr in props ) {
-            el.setAttribute( attr, props[ attr ] );
+            value = props[ attr ];
+            if ( value !== undefined ) {
+                el.setAttribute( attr, props[ attr ] );
+            }
         }
     }
     if ( children ) {
diff --git a/source/intro.js b/source/intro.js
index 2470de2..f14b523 100644
--- a/source/intro.js
+++ b/source/intro.js
@@ -1,5 +1,5 @@
 /* Copyright © 2011-2013 by Neil Jenkins. MIT Licensed. */
 
-( function ( doc ) {
+( function ( doc, undefined ) {
 
 "use strict";