From 9ccf765ba8f687026eaa118a95ba2744849d47bc Mon Sep 17 00:00:00 2001 From: Neil Jenkins Date: Wed, 9 Dec 2015 15:12:47 +1100 Subject: [PATCH] Scroll cursor into view after setting selection. Fixes #162 and fixes #165. --- build/squire-raw.js | 30 ++++++++++++++++++++---------- build/squire.js | 2 +- source/Editor.js | 20 ++++++++++++++++++++ source/KeyHandlers.js | 10 ---------- 4 files changed, 41 insertions(+), 21 deletions(-) diff --git a/build/squire-raw.js b/build/squire-raw.js index 65865b9..4b52f29 100644 --- a/build/squire-raw.js +++ b/build/squire-raw.js @@ -1390,16 +1390,6 @@ var keyHandlers = { range = self._createRange( nodeAfterSplit, 0 ); self.setSelection( range ); self._updatePath( range, true ); - - // Scroll into view - if ( nodeAfterSplit.nodeType === TEXT_NODE ) { - nodeAfterSplit = nodeAfterSplit.parentNode; - } - // 16 ~ one standard line height in px. - if ( nodeAfterSplit.getBoundingClientRect().top + 16 > - self._doc.documentElement.clientHeight ) { - nodeAfterSplit.scrollIntoView( false ); - } }, backspace: function ( self, event, range ) { self._removeZWS(); @@ -2433,6 +2423,25 @@ proto._createRange = return domRange; }; +proto.scrollRangeIntoView = function ( range ) { + var win = this._win; + var top = range.getBoundingClientRect().top; + var height = win.innerHeight; + var node, parent; + if ( !top ) { + node = this._doc.createElement( 'SPAN' ); + range = range.cloneRange(); + insertNodeInRange( range, node ); + top = node.getBoundingClientRect().top; + parent = node.parentNode; + parent.removeChild( node ); + parent.normalize(); + } + if ( top > height ) { + win.scrollBy( 0, top - height + 20 ); + } +}; + proto._moveCursorTo = function ( toStart ) { var body = this._body, range = this._createRange( body, toStart ? 0 : body.childNodes.length ); @@ -2460,6 +2469,7 @@ proto.setSelection = function ( range ) { if ( sel ) { sel.removeAllRanges(); sel.addRange( range ); + this.scrollRangeIntoView( range ); } } return this; diff --git a/build/squire.js b/build/squire.js index 2c39933..cea2650 100644 --- a/build/squire.js +++ b/build/squire.js @@ -1,2 +1,2 @@ -!function(e,t){"use strict";function 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t,n=this.createElement("INPUT",{id:Zt,type:"hidden"}),r=this.createElement("INPUT",{id:qt,type:"hidden"});st(e,n),e.collapse(!1),st(e,r),n.compareDocumentPosition(r)&A&&(n.id=qt,r.id=Zt,t=n,n=r,r=t),e.setStartAfter(n),e.setEndBefore(r)},Wt._getRangeAndRemoveBookmark=function(e){var t=this._doc,n=t.getElementById(Zt),r=t.getElementById(qt);if(n&&r){var o,i=n.parentNode,a=r.parentNode,s={startContainer:i,endContainer:a,startOffset:tt.call(i.childNodes,n),endOffset:tt.call(a.childNodes,r)};i===a&&(s.endOffset-=1),m(n),m(r),T(i,s),i!==a&&T(a,s),e||(e=t.createRange()),e.setStart(s.startContainer,s.startOffset),e.setEnd(s.endContainer,s.endOffset),o=e.collapsed,ht(e),o&&e.collapse(!0)}return e||null},Wt._keyUpDetectChange=function(e){var t=e.keyCode;e.ctrlKey||e.metaKey||e.altKey||!(16>t||t>20)||!(33>t||t>45)||this._docWasChanged()},Wt._docWasChanged=function(){return 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o,i,a=r.commonAncestorContainer;if(u(a,e,t))return!0;if(a.nodeType===R)return!1;o=new n(a,U,function(e){return ft(r,e,!0)},!1);for(var s=!1;i=o.nextNode();){if(!u(i,e,t))return!1;s=!0}return s},Wt.getFontInfo=function(e){var n,r,o={color:t,backgroundColor:t,family:t,size:t},i=0;if(!e&&!(e=this.getSelection()))return o;if(n=e.commonAncestorContainer,e.collapsed||n.nodeType===R)for(n.nodeType===R&&(n=n.parentNode);4>i&&n&&(r=n.style);)o.color||(o.color=r.color,i+=1),o.backgroundColor||(o.backgroundColor=r.backgroundColor,i+=1),o.family||(o.family=r.fontFamily,i+=1),o.size||(o.size=r.fontSize,i+=1),n=n.parentNode;return o},Wt._addFormat=function(e,t,r){var o,i,a,s,d,l,c,f;if(r.collapsed)o=S(this.createElement(e,t)),st(r,o),r.setStart(o.firstChild,o.firstChild.length),r.collapse(!0);else{if(i=new 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void("INPUT"===e.nodeName||i&&!e.data||u.push([t,e]));if(i)e===f&&h!==e.length&&u.push([t,e.splitText(h)]),e===l&&c&&(e.splitText(c),u.push([t,e]));else for(r=e.firstChild;r;r=o)o=r.nextSibling,p(r,t)}},g=Array.prototype.filter.call(d.getElementsByTagName(e),function(r){return ft(n,r,!0)&&o(r,e,t)});r||g.forEach(function(e){p(e,e)}),u.forEach(function(e){var t=e[0].cloneNode(!1),n=e[1];v(n,t),t.appendChild(n)}),g.forEach(function(e){v(e,C(e))}),this._getRangeAndRemoveBookmark(n),i&&n.collapse(!1);var m={startContainer:n.startContainer,startOffset:n.startOffset,endContainer:n.endContainer,endOffset:n.endOffset};return T(d,m),n.setStart(m.startContainer,m.startOffset),n.setEnd(m.endContainer,m.endOffset),n},Wt.changeFormat=function(e,t,n,r){return n||(n=this.getSelection())?(this._recordUndoState(n),this._getRangeAndRemoveBookmark(n),t&&(n=this._removeFormat(t.tag.toUpperCase(),t.attributes||{},n,r)),e&&(n=this._addFormat(e.tag.toUpperCase(),e.attributes||{},n)),this.setSelection(n),this._updatePath(n,!0),J||this._docWasChanged(),this):void 0};var Gt={DT:"DD",DD:"DT",LI:"LI"},Vt=function(e,t,n,r){var i=Gt[t.nodeName],a=null,s=y(n,r,t.parentNode),d=e._config;return i||(i=d.blockTag,a=d.blockAttributes),o(s,i,a)||(t=N(s.ownerDocument,i,a),s.dir&&(t.dir=s.dir),v(s,t),t.appendChild(C(s)),s=t),s};Wt.forEachBlock=function(e,t,n){if(!n&&!(n=this.getSelection()))return this;t&&(this._recordUndoState(n),this._getRangeAndRemoveBookmark(n));var r=pt(n),o=gt(n);if(r&&o)do if(e(r)||r===o)break;while(r=h(r));return t&&(this.setSelection(n),this._updatePath(n,!0),J||this._docWasChanged()),this},Wt.modifyBlocks=function(e,t){if(!t&&!(t=this.getSelection()))return this;this._isInUndoState?this._saveRangeToBookmark(t):this._recordUndoState(t),Nt(t);var n,r=this._body;return ut(t,r),n=dt(t,r),st(t,e.call(this,n)),t.endOffsett;t+=1){for(o=d[t],i=C(o),a=i.childNodes,r=a.length;r--;)s=a[r],v(s,C(s));_(i),v(o,i)}return e},tn=function(e){var t,n,r,o,i,a,s=e.querySelectorAll("LI"),d=this._config.tagAttributes,c=d.li;for(t=0,n=s.length;n>t;t+=1)r=s[t],l(r.firstChild)||(o=r.parentNode.nodeName,i=r.previousSibling,i&&(i=i.lastChild)&&i.nodeName===o||(a=d[o.toLowerCase()],v(r,this.createElement("LI",c,[i=this.createElement(o,a)]))),i.appendChild(r));return e},nn=function(e){var t=e.querySelectorAll("LI");return Array.prototype.filter.call(t,function(e){return!l(e.firstChild)}).forEach(function(t){var n,r=t.parentNode,o=r.parentNode,i=t.firstChild,a=i;for(t.previousSibling&&(r=y(r,t,o));a&&(n=a.nextSibling,!l(a));)o.insertBefore(a,r),a=n;for("LI"===o.nodeName&&i.previousSibling&&y(o,i,o.parentNode);t!==e&&!t.childNodes.length;)r=t.parentNode,r.removeChild(t),t=r},this),_(e),e};Wt._ensureBottomLine=function(){var e=this._body,t=e.lastElementChild;t&&t.nodeName===this._config.blockTag&&d(t)||e.appendChild(this.createDefaultBlock())},Wt.setKeyHandler=function(e,t){return this._keyHandlers[e]=t,this},Wt._getHTML=function(){return this._body.innerHTML},Wt._setHTML=function(e){var t=this._body;t.innerHTML=e;do S(t);while(t=h(t));this._ignoreChange=!0},Wt.getHTML=function(e){var t,n,r,o,i,a=[];if(e&&(i=this.getSelection())&&this._saveRangeToBookmark(i),Y)for(t=this._body;t=h(t);)t.textContent||t.querySelector("BR")||(n=this.createElement("BR"),t.appendChild(n),a.push(n));if(r=this._getHTML().replace(/\u200B/g,""),Y)for(o=a.length;o--;)m(a[o]);return i&&this._getRangeAndRemoveBookmark(i),r},Wt.setHTML=function(e){var t,n=this._doc.createDocumentFragment(),r=this.createElement("DIV");r.innerHTML=e,n.appendChild(C(r)),Dt(n),wt(n),_(n);for(var o=n;o=h(o);)S(o);this._ignoreChange=!0;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),X?this._lastSelection=a:this.setSelection(a),this._updatePath(a,!0),this},Wt.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=y(n,i.nextSibling,o)),r?o.insertBefore(e,r):(o.appendChild(e),r=this.createDefaultBlock(),o.appendChild(r)),t.setStart(r,0),t.setEnd(r,0),ht(t)}return this.focus(),this.setSelection(t),this._updatePath(t),this},Wt.insertImage=function(e,t){var n=this.createElement("IMG",B({src:e},t));return this.insertElement(n),n};var rn=/\b((?:(?:ht|f)tps?:\/\/|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,}\/)(?:[^\s()<>]+|\([^\s()<>]+\))+(?:\((?:[^\s()<>]+|(?:\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))|([\w\-.%+]+@(?:[\w\-]+\.)+[A-Z]{2,}\b)/i,on=function(e){for(var t,r,o,i,a,s,d,l=e.ownerDocument,c=new n(e,U,function(e){return!u(e,"A")},!1);t=c.nextNode();)for(r=t.data,o=t.parentNode;i=rn.exec(r);)a=i.index,s=a+i[0].length,a&&(d=l.createTextNode(r.slice(0,a)),o.insertBefore(d,t)),d=l.createElement("A"),d.textContent=r.slice(a,s),d.href=i[1]?/^(?:ht|f)tps?:/.test(i[1])?i[1]:"http://"+i[1]:"mailto:"+i[2],o.insertBefore(d,t),t.data=r=r.slice(s)};Wt.insertHTML=function(e,t){var n=this.getSelection(),r=this._doc.createDocumentFragment(),o=this.createElement("DIV");o.innerHTML=e,r.appendChild(C(o)),this._recordUndoState(n),this._getRangeAndRemoveBookmark(n);try{var i=r,a={fragment:r,preventDefault:function(){this.defaultPrevented=!0},defaultPrevented:!1};for(on(r),Dt(r),wt(r),It(r),r.normalize();i=h(i);)S(i);t&&this.fireEvent("willPaste",a),a.defaultPrevented||(ct(n,a.fragment),J||this._docWasChanged(),n.collapse(!1),this._ensureBottomLine()),this.setSelection(n),this._updatePath(n,!0)}catch(s){this.didError(s)}return this},Wt.insertPlainText=function(e,t){var n,r,o,i=e.split("\n");for(n=0,r=i.length;r>n;n+=1)o=i[n],o=o.split("&").join("&").split("<").join("<").split(">").join(">").replace(/ (?= )/g," "),n&&r>n+1&&(o="
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0 : body.childNodes.length ); @@ -328,6 +347,7 @@ proto.setSelection = function ( range ) { if ( sel ) { sel.removeAllRanges(); sel.addRange( range ); + this.scrollRangeIntoView( range ); } } return this; diff --git a/source/KeyHandlers.js b/source/KeyHandlers.js index bf2f7f5..1a15c88 100644 --- a/source/KeyHandlers.js +++ b/source/KeyHandlers.js @@ -241,16 +241,6 @@ var keyHandlers = { range = self._createRange( nodeAfterSplit, 0 ); self.setSelection( range ); self._updatePath( range, true ); - - // Scroll into view - if ( nodeAfterSplit.nodeType === TEXT_NODE ) { - nodeAfterSplit = nodeAfterSplit.parentNode; - } - // 16 ~ one standard line height in px. - if ( nodeAfterSplit.getBoundingClientRect().top + 16 > - self._doc.documentElement.clientHeight ) { - nodeAfterSplit.scrollIntoView( false ); - } }, backspace: function ( self, event, range ) { self._removeZWS();