Function onKeyDown

lib/codemirror/codemirror.min.js:31–31

(e)

}}else{ourRange=doc.sel.primary()}if(e.altKey){type="rect";if(!addNew){ourRange=new Range(start,start)}start=posFromMouse(cm,e,true,true);ourIndex=-1}else{if(type=="double"){var word=cm.findWordAt(start);if(cm.display.shift||doc.extend){ourRange=extendRange(doc,ourRange,word.anchor,word.head)}else{ourRange=word}}else{if(type=="triple"){var line=new Range(Pos(start.line,0),clipPos(doc,Pos(start.line+1,0)));if(cm.display.shift||doc.extend){ourRange=extendRange(doc,ourRange,line.anchor,line.head)}else{ourRange=line}}else{ourRange=extendRange(doc,ourRange,start)}}}if(!addNew){ourIndex=0;setSelection(doc,new Selection([ourRange],0),sel_mouse);startSel=doc.sel}else{if(ourIndex==-1){ourIndex=ranges.length;setSelection(doc,normalizeSelection(ranges.concat([ourRange]),ourIndex),{scroll:false,origin:"*mouse"})}else{if(ranges.length>1&&ranges[ourIndex].empty()&&type=="single"){setSelection(doc,normalizeSelection(ranges.slice(0,ourIndex).concat(ranges.slice(ourIndex+1)),0));startSel=doc.sel}else{replaceOneSelection(doc,ourIndex,ourRange,sel_mouse)}}}var lastPos=start;function extendTo(pos){if(cmp(lastPos,pos)==0){return}lastPos=pos;if(type=="rect"){var ranges=[],tabSize=cm.options.tabSize;var startCol=countColumn(getLine(doc,start.line).text,start.ch,tabSize);var posCol=countColumn(getLine(doc,pos.line).text,pos.ch,tabSize);var left=Math.min(startCol,posCol),right=Math.max(startCol,posCol);for(var line=Math.min(start.line,pos.line),end=Math.min(cm.lastLine(),Math.max(start.line,pos.line));line<=end;line++){var text=getLine(doc,line).text,leftPos=findColumn(text,left,tabSize);if(left==right){ranges.push(new Range(Pos(line,leftPos),Pos(line,leftPos)))}else{if(text.length>leftPos){ranges.push(new Range(Pos(line,leftPos),Pos(line,findColumn(text,right,tabSize))))}}}if(!ranges.length){ranges.push(new Range(start,start))}setSelection(doc,normalizeSelection(startSel.ranges.slice(0,ourIndex).concat(ranges),ourIndex),{origin:"*mouse",scroll:false});cm.scrollIntoView(pos)}else{var oldRange=ourRange;var anchor=oldRange.anchor,head=pos;if(type!="single"){if(type=="double"){var range=cm.findWordAt(pos)}else{var range=new Range(Pos(pos.line,0),clipPos(doc,Pos(pos.line+1,0)))}if(cmp(range.anchor,anchor)>0){head=range.head;anchor=minPos(oldRange.from(),range.anchor)}else{head=range.anchor;anchor=maxPos(oldRange.to(),range.head)}}var ranges=startSel.ranges.slice(0);ranges[ourIndex]=new Range(clipPos(doc,anchor),head);setSelection(doc,normalizeSelection(ranges,ourIndex),sel_mouse)}}var editorSize=display.wrapper.getBoundingClientRect();var counter=0;function extend(e){var curCount=++counter;var cur=posFromMouse(cm,e,true,type=="rect");if(!cur){return}if(cmp(cur,lastPos)!=0){ensureFocus(cm);extendTo(cur);var visible=visibleLines(display,doc);if(cur.line>=visible.to||cur.line<visible.from){setTimeout(operation(cm,function(){if(counter==curCount){extend(e)}}),150)}}else{var outside=e.clientY<editorSize.top?-20:e.clientY>editorSize.bottom?20:0;if(outside){setTimeout(operation(cm,function(){if(counter!=curCount){return}display.scroller.scrollTop+=outside;extend(e)}),50)}}}function done(e){counter=Infinity;e_preventDefault(e);display.input.focus();off(document,"mousemove",move);off(document,"mouseup",up);doc.history.lastSelOrigin=null}var move=operation(cm,function(e){if(!e_button(e)){done(e)}else{extend(e)}});var up=operation(cm,done);on(document,"mousemove",move);on(document,"mouseup",up)}function gutterEvent(cm,e,type,prevent,signalfn){try{var mX=e.clientX,mY=e.clientY}catch(e){return false}if(mX>=Math.floor(cm.display.gutters.getBoundingClientRect().right)){return false}if(prevent){e_preventDefault(e)}var display=cm.display;var lineBox=display.lineDiv.getBoundingClientRect();if(mY>lineBox.bottom||!hasHandler(cm,type)){return e_defaultPrevented(e)}mY-=lineBox.top-display.viewOffset;for(var i=0;i<cm.options.gutters.length;++i){var g=display.gutters.childNodes[i];if(g&&g.getBoundingClientRect().right>=mX){var line=lineAtHeight(cm.doc,mY);var gutter=cm.options.gutters[i];signalfn(cm,type,cm,line,gutter,e);return e_defaultPrevented(e)}}}function clickInGutter(cm,e){return gutterEvent(cm,e,"gutterClick",true,signalLater)}var lastDrop=0;function onDrop(e){var cm=this;if(signalDOMEvent(cm,e)||eventInWidget(cm.display,e)){return}e_preventDefault(e);if(ie){lastDrop=+new Date}var pos=posFromMouse(cm,e,true),files=e.dataTransfer.files;if(!pos||isReadOnly(cm)){return}if(files&&files.length&&window.FileReader&&window.File){var n=files.length,text=Array(n),read=0;var loadFile=function(file,i){var reader=new FileReader;reader.onload=operation(cm,function(){text[i]=reader.result;if(++read==n){pos=clipPos(cm.doc,pos);var change={from:pos,to:pos,text:splitLines(text.join("\n")),origin:"paste"};makeChange(cm.doc,change);setSelectionReplaceHistory(cm.doc,simpleSelection(pos,changeEnd(change)))}});reader.readAsText(file)};for(var i=0;i<n;++i){loadFile(files[i],i)}}else{if(cm.state.draggingText&&cm.doc.sel.contains(pos)>-1){cm.state.draggingText(e);setTimeout(function(){cm.display.input.focus()
},20);return}try{var text=e.dataTransfer.getData("Text");if(text){if(cm.state.draggingText&&!(mac?e.metaKey:e.ctrlKey)){var selected=cm.listSelections()}setSelectionNoUndo(cm.doc,simpleSelection(pos,pos));if(selected){for(var i=0;i<selected.length;++i){replaceRange(cm.doc,"",selected[i].anchor,selected[i].head,"drag")}}cm.replaceSelection(text,"around","paste");cm.display.input.focus()}}catch(e){}}}function onDragStart(cm,e){if(ie&&(!cm.state.draggingText||+new Date-lastDrop<100)){e_stop(e);return}if(signalDOMEvent(cm,e)||eventInWidget(cm.display,e)){return}e.dataTransfer.setData("Text",cm.getSelection());if(e.dataTransfer.setDragImage&&!safari){var img=elt("img",null,null,"position: fixed; left: 0; top: 0;");img.src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";if(presto){img.width=img.height=1;cm.display.wrapper.appendChild(img);img._top=img.offsetTop}e.dataTransfer.setDragImage(img,0,0);if(presto){img.parentNode.removeChild(img)}}}function setScrollTop(cm,val){if(Math.abs(cm.doc.scrollTop-val)<2){return}cm.doc.scrollTop=val;if(!gecko){updateDisplaySimple(cm,{top:val})}if(cm.display.scroller.scrollTop!=val){cm.display.scroller.scrollTop=val}cm.display.scrollbars.setScrollTop(val);if(gecko){updateDisplaySimple(cm)}startWorker(cm,100)}function setScrollLeft(cm,val,isScroller){if(isScroller?val==cm.doc.scrollLeft:Math.abs(cm.doc.scrollLeft-val)<2){return}val=Math.min(val,cm.display.scroller.scrollWidth-cm.display.scroller.clientWidth);cm.doc.scrollLeft=val;alignHorizontally(cm);if(cm.display.scroller.scrollLeft!=val){cm.display.scroller.scrollLeft=val}cm.display.scrollbars.setScrollLeft(val)}var wheelSamples=0,wheelPixelsPerUnit=null;if(ie){wheelPixelsPerUnit=-0.53}else{if(gecko){wheelPixelsPerUnit=15}else{if(chrome){wheelPixelsPerUnit=-0.7}else{if(safari){wheelPixelsPerUnit=-1/3}}}}var wheelEventDelta=function(e){var dx=e.wheelDeltaX,dy=e.wheelDeltaY;if(dx==null&&e.detail&&e.axis==e.HORIZONTAL_AXIS){dx=e.detail}if(dy==null&&e.detail&&e.axis==e.VERTICAL_AXIS){dy=e.detail}else{if(dy==null){dy=e.wheelDelta}}return{x:dx,y:dy}};CodeMirror.wheelEventPixels=function(e){var delta=wheelEventDelta(e);delta.x*=wheelPixelsPerUnit;delta.y*=wheelPixelsPerUnit;return delta};function onScrollWheel(cm,e){var delta=wheelEventDelta(e),dx=delta.x,dy=delta.y;var display=cm.display,scroll=display.scroller;if(!(dx&&scroll.scrollWidth>scroll.clientWidth||dy&&scroll.scrollHeight>scroll.clientHeight)){return}if(dy&&mac&&webkit){outer:for(var cur=e.target,view=display.view;cur!=scroll;cur=cur.parentNode){for(var i=0;i<view.length;i++){if(view[i].node==cur){cm.display.currentWheelTarget=cur;break outer}}}}if(dx&&!gecko&&!presto&&wheelPixelsPerUnit!=null){if(dy){setScrollTop(cm,Math.max(0,Math.min(scroll.scrollTop+dy*wheelPixelsPerUnit,scroll.scrollHeight-scroll.clientHeight)))}setScrollLeft(cm,Math.max(0,Math.min(scroll.scrollLeft+dx*wheelPixelsPerUnit,scroll.scrollWidth-scroll.clientWidth)));e_preventDefault(e);display.wheelStartX=null;return}if(dy&&wheelPixelsPerUnit!=null){var pixels=dy*wheelPixelsPerUnit;var top=cm.doc.scrollTop,bot=top+display.wrapper.clientHeight;if(pixels<0){top=Math.max(0,top+pixels-50)}else{bot=Math.min(cm.doc.height,bot+pixels+50)}updateDisplaySimple(cm,{top:top,bottom:bot})}if(wheelSamples<20){if(display.wheelStartX==null){display.wheelStartX=scroll.scrollLeft;display.wheelStartY=scroll.scrollTop;display.wheelDX=dx;display.wheelDY=dy;setTimeout(function(){if(display.wheelStartX==null){return}var movedX=scroll.scrollLeft-display.wheelStartX;var movedY=scroll.scrollTop-display.wheelStartY;var sample=(movedY&&display.wheelDY&&movedY/display.wheelDY)||(movedX&&display.wheelDX&&movedX/display.wheelDX);display.wheelStartX=display.wheelStartY=null;if(!sample){return}wheelPixelsPerUnit=(wheelPixelsPerUnit*wheelSamples+sample)/(wheelSamples+1);++wheelSamples},200)}else{display.wheelDX+=dx;display.wheelDY+=dy}}}function doHandleBinding(cm,bound,dropShift){if(typeof bound=="string"){bound=commands[bound];if(!bound){return false}}cm.display.input.ensurePolled();var prevShift=cm.display.shift,done=false;try{if(isReadOnly(cm)){cm.state.suppressEdits=true}if(dropShift){cm.display.shift=false}done=bound(cm)!=Pass}finally{cm.display.shift=prevShift;cm.state.suppressEdits=false}return done}function lookupKeyForEditor(cm,name,handle){for(var i=0;i<cm.state.keyMaps.length;i++){var result=lookupKey(name,cm.state.keyMaps[i],handle,cm);if(result){return result}}return(cm.options.extraKeys&&lookupKey(name,cm.options.extraKeys,handle,cm))||lookupKey(name,cm.options.keyMap,handle,cm)}var stopSeq=new Delayed;function dispatchKey(cm,name,e,handle){var seq=cm.state.keySeq;if(seq){if(isModifierKey(name)){return"handled"}stopSeq.set(50,function(){if(cm.state.keySeq==seq){cm.state.keySeq=null;cm.display.input.reset()}});name=seq+" "+name}var result=lookupKeyForEditor(cm,name,handle);if(result=="multi"){cm.state.keySeq=name}if(result=="handled"){signalLater(cm,"keyHandled",cm,name,e)}if(result=="handled"||result=="multi"){e_preventDefault(e);
restartBlink(cm)}if(seq&&!result&&/\'$/.test(name)){e_preventDefault(e);return true}return !!result}function handleKeyBinding(cm,e){var name=keyName(e,true);if(!name){return false}if(e.shiftKey&&!cm.state.keySeq){return dispatchKey(cm,"Shift-"+name,e,function(b){return doHandleBinding(cm,b,true)})||dispatchKey(cm,name,e,function(b){if(typeof b=="string"?/^go[A-Z]/.test(b):b.motion){return doHandleBinding(cm,b)}})}else{return dispatchKey(cm,name,e,function(b){return doHandleBinding(cm,b)})}}function handleCharBinding(cm,e,ch){return dispatchKey(cm,"'"+ch+"'",e,function(b){return doHandleBinding(cm,b,true)})}var lastStoppedKey=null;function onKeyDown(e){var cm=this;ensureFocus(cm);if(signalDOMEvent(cm,e)){return}if(ie&&ie_version<11&&e.keyCode==27){e.returnValue=false}var code=e.keyCode;cm.display.shift=code==16||e.shiftKey;var handled=handleKeyBinding(cm,e);if(presto){lastStoppedKey=handled?code:null;if(!handled&&code==88&&!hasCopyEvent&&(mac?e.metaKey:e.ctrlKey)){cm.replaceSelection("",null,"cut")}}if(code==18&&!/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)){showCrossHair(cm)}}function showCrossHair(cm){var lineDiv=cm.display.lineDiv;addClass(lineDiv,"CodeMirror-crosshair");function up(e){if(e.keyCode==18||!e.altKey){rmClass(lineDiv,"CodeMirror-crosshair");off(document,"keyup",up);off(document,"mouseover",up)}}on(document,"keyup",up);on(document,"mouseover",up)}function onKeyUp(e){if(e.keyCode==16){this.doc.sel.shift=false}signalDOMEvent(this,e)}function onKeyPress(e){var cm=this;if(eventInWidget(cm.display,e)||signalDOMEvent(cm,e)||e.ctrlKey&&!e.altKey||mac&&e.metaKey){return}var keyCode=e.keyCode,charCode=e.charCode;if(presto&&keyCode==lastStoppedKey){lastStoppedKey=null;e_preventDefault(e);return}if((presto&&(!e.which||e.which<10))&&handleKeyBinding(cm,e)){return}var ch=String.fromCharCode(charCode==null?keyCode:charCode);if(handleCharBinding(cm,e,ch)){return}cm.display.input.onKeyPress(e)}function onFocus(cm){if(cm.options.readOnly=="nocursor"){return}if(!cm.state.focused){signal(cm,"focus",cm);cm.state.focused=true;addClass(cm.display.wrapper,"CodeMirror-focused");if(!cm.curOp&&cm.display.selForContextMenu!=cm.doc.sel){cm.display.input.reset();if(webkit){setTimeout(function(){cm.display.input.reset(true)},20)}}cm.display.input.receivedFocus()}restartBlink(cm)}function onBlur(cm){if(cm.state.focused){signal(cm,"blur",cm);cm.state.focused=false;rmClass(cm.display.wrapper,"CodeMirror-focused")}clearInterval(cm.display.blinker);setTimeout(function(){if(!cm.state.focused){cm.display.shift=false}},150)}function onContextMenu(cm,e){if(eventInWidget(cm.display,e)||contextMenuInGutter(cm,e)){return}cm.display.input.onContextMenu(e)}function contextMenuInGutter(cm,e){if(!hasHandler(cm,"gutterContextMenu")){return false}return gutterEvent(cm,e,"gutterContextMenu",false,signal)}var changeEnd=CodeMirror.changeEnd=function(change){if(!change.text){return change.to}return Pos(change.from.line+change.text.length-1,lst(change.text).length+(change.text.length==1?change.from.ch:0))};function adjustForChange(pos,change){if(cmp(pos,change.from)<0){return pos}if(cmp(pos,change.to)<=0){return changeEnd(change)}var line=pos.line+change.text.length-(change.to.line-change.from.line)-1,ch=pos.ch;if(pos.line==change.to.line){ch+=changeEnd(change).ch-change.to.ch}return Pos(line,ch)}function computeSelAfterChange(doc,change){var out=[];for(var i=0;i<doc.sel.ranges.length;i++){var range=doc.sel.ranges[i];out.push(new Range(adjustForChange(range.anchor,change),adjustForChange(range.head,change)))}return normalizeSelection(out,doc.sel.primIndex)}function offsetPos(pos,old,nw){if(pos.line==old.line){return Pos(nw.line,pos.ch-old.ch+nw.ch)}else{return Pos(nw.line+(pos.line-old.line),pos.ch)}}function computeReplacedSel(doc,changes,hint){var out=[];var oldPrev=Pos(doc.first,0),newPrev=oldPrev;for(var i=0;i<changes.length;i++){var change=changes[i];var from=offsetPos(change.from,oldPrev,newPrev);var to=offsetPos(changeEnd(change),oldPrev,newPrev);oldPrev=change.to;newPrev=to;if(hint=="around"){var range=doc.sel.ranges[i],inv=cmp(range.head,range.anchor)<0;out[i]=new Range(inv?to:from,inv?from:to)}else{out[i]=new Range(from,from)}}return new Selection(out,doc.sel.primIndex)}function filterChange(doc,change,update){var obj={canceled:false,from:change.from,to:change.to,text:change.text,origin:change.origin,cancel:function(){this.canceled=true}};if(update){obj.update=function(from,to,text,origin){if(from){this.from=clipPos(doc,from)}if(to){this.to=clipPos(doc,to)}if(text){this.text=text}if(origin!==undefined){this.origin=origin}}}signal(doc,"beforeChange",doc,obj);if(doc.cm){signal(doc.cm,"beforeChange",doc.cm,obj)}if(obj.canceled){return null}return{from:obj.from,to:obj.to,text:obj.text,origin:obj.origin}}function makeChange(doc,change,ignoreReadOnly){if(doc.cm){if(!doc.cm.curOp){return operation(doc.cm,makeChange)(doc,change,ignoreReadOnly)}if(doc.cm.state.suppressEdits){return}}if(hasHandler(doc,"beforeChange")||doc.cm&&hasHandler(doc.cm,"beforeChange")){change=filterChange(doc,change,true);
if(!change){return}}var split=sawReadOnlySpans&&!ignoreReadOnly&&removeReadOnlyRanges(doc,change.from,change.to);if(split){for(var i=split.length-1;i>=0;--i){makeChangeInner(doc,{from:split[i].from,to:split[i].to,text:i?[""]:change.text})}}else{makeChangeInner(doc,change)}}function makeChangeInner(doc,change){if(change.text.length==1&&change.text[0]==""&&cmp(change.from,change.to)==0){return}var selAfter=computeSelAfterChange(doc,change);addChangeToHistory(doc,change,selAfter,doc.cm?doc.cm.curOp.id:NaN);makeChangeSingleDoc(doc,change,selAfter,stretchSpansOverChange(doc,change));var rebased=[];linkedDocs(doc,function(doc,sharedHist){if(!sharedHist&&indexOf(rebased,doc.history)==-1){rebaseHist(doc.history,change);rebased.push(doc.history)}makeChangeSingleDoc(doc,change,null,stretchSpansOverChange(doc,change))})}function makeChangeFromHistory(doc,type,allowSelectionOnly){if(doc.cm&&doc.cm.state.suppressEdits){return}var hist=doc.history,event,selAfter=doc.sel;var source=type=="undo"?hist.done:hist.undone,dest=type=="undo"?hist.undone:hist.done;for(var i=0;i<source.length;i++){event=source[i];if(allowSelectionOnly?event.ranges&&!event.equals(doc.sel):!event.ranges){break}}if(i==source.length){return}hist.lastOrigin=hist.lastSelOrigin=null;for(;;){event=source.pop();if(event.ranges){pushSelectionToHistory(event,dest);if(allowSelectionOnly&&!event.equals(doc.sel)){setSelection(doc,event,{clearRedo:false});return}selAfter=event}else{break}}var antiChanges=[];pushSelectionToHistory(selAfter,dest);dest.push({changes:antiChanges,generation:hist.generation});hist.generation=event.generation||++hist.maxGeneration;var filter=hasHandler(doc,"beforeChange")||doc.cm&&hasHandler(doc.cm,"beforeChange");for(var i=event.changes.length-1;i>=0;--i){var change=event.changes[i];change.origin=type;if(filter&&!filterChange(doc,change,false)){source.length=0;return}antiChanges.push(historyChangeFromChange(doc,change));var after=i?computeSelAfterChange(doc,change):lst(source);makeChangeSingleDoc(doc,change,after,mergeOldSpans(doc,change));if(!i&&doc.cm){doc.cm.scrollIntoView({from:change.from,to:changeEnd(change)})}var rebased=[];linkedDocs(doc,function(doc,sharedHist){if(!sharedHist&&indexOf(rebased,doc.history)==-1){rebaseHist(doc.history,change);rebased.push(doc.history)}makeChangeSingleDoc(doc,change,null,mergeOldSpans(doc,change))})}}function shiftDoc(doc,distance){if(distance==0){return}doc.first+=distance;doc.sel=new Selection(map(doc.sel.ranges,function(range){return new Range(Pos(range.anchor.line+distance,range.anchor.ch),Pos(range.head.line+distance,range.head.ch))}),doc.sel.primIndex);if(doc.cm){regChange(doc.cm,doc.first,doc.first-distance,distance);for(var d=doc.cm.display,l=d.viewFrom;l<d.viewTo;l++){regLineChange(doc.cm,l,"gutter")}}}function makeChangeSingleDoc(doc,change,selAfter,spans){if(doc.cm&&!doc.cm.curOp){return operation(doc.cm,makeChangeSingleDoc)(doc,change,selAfter,spans)}if(change.to.line<doc.first){shiftDoc(doc,change.text.length-1-(change.to.line-change.from.line));return}if(change.from.line>doc.lastLine()){return}if(change.from.line<doc.first){var shift=change.text.length-1-(doc.first-change.from.line);shiftDoc(doc,shift);change={from:Pos(doc.first,0),to:Pos(change.to.line+shift,change.to.ch),text:[lst(change.text)],origin:change.origin}}var last=doc.lastLine();if(change.to.line>last){change={from:change.from,to:Pos(last,getLine(doc,last).text.length),text:[change.text[0]],origin:change.origin}}change.removed=getBetween(doc,change.from,change.to);if(!selAfter){selAfter=computeSelAfterChange(doc,change)}if(doc.cm){makeChangeSingleDocInEditor(doc.cm,change,spans)}else{updateDoc(doc,change,spans)}setSelectionNoUndo(doc,selAfter,sel_dontScroll)}function makeChangeSingleDocInEditor(cm,change,spans){var doc=cm.doc,display=cm.display,from=change.from,to=change.to;var recomputeMaxLength=false,checkWidthStart=from.line;if(!cm.options.lineWrapping){checkWidthStart=lineNo(visualLine(getLine(doc,from.line)));doc.iter(checkWidthStart,to.line+1,function(line){if(line==display.maxLine){recomputeMaxLength=true;return true}})}if(doc.sel.contains(change.from,change.to)>-1){signalCursorActivity(cm)}updateDoc(doc,change,spans,estimateHeight(cm));if(!cm.options.lineWrapping){doc.iter(checkWidthStart,from.line+change.text.length,function(line){var len=lineLength(line);if(len>display.maxLineLength){display.maxLine=line;display.maxLineLength=len;display.maxLineChanged=true;recomputeMaxLength=false}});if(recomputeMaxLength){cm.curOp.updateMaxLine=true}}doc.frontier=Math.min(doc.frontier,from.line);startWorker(cm,400);var lendiff=change.text.length-(to.line-from.line)-1;if(change.full){regChange(cm)}else{if(from.line==to.line&&change.text.length==1&&!isWholeLineUpdate(cm.doc,change)){regLineChange(cm,from.line,"text")}else{regChange(cm,from.line,to.line+1,lendiff)}}var changesHandler=hasHandler(cm,"changes"),changeHandler=hasHandler(cm,"change");if(changeHandler||changesHandler){var obj={from:from,to:to,text:change.text,removed:change.removed,origin:change.origin};
if(changeHandler){signalLater(cm,"change",cm,obj)}if(changesHandler){(cm.curOp.changeObjs||(cm.curOp.changeObjs=[])).push(obj)}}cm.display.selForContextMenu=null}function replaceRange(doc,code,from,to,origin){if(!to){to=from}if(cmp(to,from)<0){var tmp=to;to=from;from=tmp}if(typeof code=="string"){code=splitLines(code)}makeChange(doc,{from:from,to:to,text:code,origin:origin})}function maybeScrollWindow(cm,coords){if(signalDOMEvent(cm,"scrollCursorIntoView")){return}var display=cm.display,box=display.sizer.getBoundingClientRect(),doScroll=null;if(coords.top+box.top<0){doScroll=true}else{if(coords.bottom+box.top>(window.innerHeight||document.documentElement.clientHeight)){doScroll=false}}if(doScroll!=null&&!phantom){var scrollNode=elt("div","\u200b",null,"position: absolute; top: "+(coords.top-display.viewOffset-paddingTop(cm.display))+"px; height: "+(coords.bottom-coords.top+scrollGap(cm)+display.barHeight)+"px; left: "+coords.left+"px; width: 2px;");cm.display.lineSpace.appendChild(scrollNode);scrollNode.scrollIntoView(doScroll);cm.display.lineSpace.removeChild(scrollNode)}}function scrollPosIntoView(cm,pos,end,margin){if(margin==null){margin=0}for(var limit=0;limit<5;limit++){var changed=false,coords=cursorCoords(cm,pos);var endCoords=!end||end==pos?coords:cursorCoords(cm,end);var scrollPos=calculateScrollPos(cm,Math.min(coords.left,endCoords.left),Math.min(coords.top,endCoords.top)-margin,Math.max(coords.left,endCoords.left),Math.max(coords.bottom,endCoords.bottom)+margin);var startTop=cm.doc.scrollTop,startLeft=cm.doc.scrollLeft;if(scrollPos.scrollTop!=null){setScrollTop(cm,scrollPos.scrollTop);if(Math.abs(cm.doc.scrollTop-startTop)>1){changed=true}}if(scrollPos.scrollLeft!=null){setScrollLeft(cm,scrollPos.scrollLeft);if(Math.abs(cm.doc.scrollLeft-startLeft)>1){changed=true}}if(!changed){break}}return coords}function scrollIntoView(cm,x1,y1,x2,y2){var scrollPos=calculateScrollPos(cm,x1,y1,x2,y2);if(scrollPos.scrollTop!=null){setScrollTop(cm,scrollPos.scrollTop)}if(scrollPos.scrollLeft!=null){setScrollLeft(cm,scrollPos.scrollLeft)}}function calculateScrollPos(cm,x1,y1,x2,y2){var display=cm.display,snapMargin=textHeight(cm.display);if(y1<0){y1=0}var screentop=cm.curOp&&cm.curOp.scrollTop!=null?cm.curOp.scrollTop:display.scroller.scrollTop;var screen=displayHeight(cm),result={};if(y2-y1>screen){y2=y1+screen}var docBottom=cm.doc.height+paddingVert(display);var atTop=y1<snapMargin,atBottom=y2>docBottom-snapMargin;if(y1<screentop){result.scrollTop=atTop?0:y1}else{if(y2>screentop+screen){var newTop=Math.min(y1,(atBottom?docBottom:y2)-screen);if(newTop!=screentop){result.scrollTop=newTop}}}var screenleft=cm.curOp&&cm.curOp.scrollLeft!=null?cm.curOp.scrollLeft:display.scroller.scrollLeft;var screenw=displayWidth(cm)-(cm.options.fixedGutter?display.gutters.offsetWidth:0);var tooWide=x2-x1>screenw;if(tooWide){x2=x1+screenw}if(x1<10){result.scrollLeft=0}else{if(x1<screenleft){result.scrollLeft=Math.max(0,x1-(tooWide?0:10))}else{if(x2>screenw+screenleft-3){result.scrollLeft=x2+(tooWide?0:10)-screenw}}}return result}function addToScrollPos(cm,left,top){if(left!=null||top!=null){resolveScrollToPos(cm)}if(left!=null){cm.curOp.scrollLeft=(cm.curOp.scrollLeft==null?cm.doc.scrollLeft:cm.curOp.scrollLeft)+left}if(top!=null){cm.curOp.scrollTop=(cm.curOp.scrollTop==null?cm.doc.scrollTop:cm.curOp.scrollTop)+top}}function ensureCursorVisible(cm){resolveScrollToPos(cm);var cur=cm.getCursor(),from=cur,to=cur;if(!cm.options.lineWrapping){from=cur.ch?Pos(cur.line,cur.ch-1):cur;to=Pos(cur.line,cur.ch+1)}cm.curOp.scrollToPos={from:from,to:to,margin:cm.options.cursorScrollMargin,isCursor:true}}function resolveScrollToPos(cm){var range=cm.curOp.scrollToPos;if(range){cm.curOp.scrollToPos=null;var from=estimateCoords(cm,range.from),to=estimateCoords(cm,range.to);var sPos=calculateScrollPos(cm,Math.min(from.left,to.left),Math.min(from.top,to.top)-range.margin,Math.max(from.right,to.right),Math.max(from.bottom,to.bottom)+range.margin);cm.scrollTo(sPos.scrollLeft,sPos.scrollTop)}}function indentLine(cm,n,how,aggressive){var doc=cm.doc,state;if(how==null){how="add"}if(how=="smart"){if(!doc.mode.indent){how="prev"}else{state=getStateBefore(cm,n)}}var tabSize=cm.options.tabSize;var line=getLine(doc,n),curSpace=countColumn(line.text,null,tabSize);if(line.stateAfter){line.stateAfter=null}var curSpaceString=line.text.match(/^\s*/)[0],indentation;if(!aggressive&&!/\S/.test(line.text)){indentation=0;how="not"}else{if(how=="smart"){indentation=doc.mode.indent(state,line.text.slice(curSpaceString.length),line.text);if(indentation==Pass||indentation>150){if(!aggressive){return}how="prev"}}}if(how=="prev"){if(n>doc.first){indentation=countColumn(getLine(doc,n-1).text,null,tabSize)}else{indentation=0}}else{if(how=="add"){indentation=curSpace+cm.options.indentUnit}else{if(how=="subtract"){indentation=curSpace-cm.options.indentUnit}else{if(typeof how=="number"){indentation=curSpace+how}}}}indentation=Math.max(0,indentation);var indentString="",pos=0;if(cm.options.indentWithTabs){for(var i=Math.floor(indentation/tabSize);
i;--i){pos+=tabSize;indentString+="\t"}}if(pos<indentation){indentString+=spaceStr(indentation-pos)}if(indentString!=curSpaceString){replaceRange(doc,indentString,Pos(n,0),Pos(n,curSpaceString.length),"+input")}else{for(var i=0;i<doc.sel.ranges.length;i++){var range=doc.sel.ranges[i];if(range.head.line==n&&range.head.ch<curSpaceString.length){var pos=Pos(n,curSpaceString.length);replaceOneSelection(doc,i,new Range(pos,pos));break}}}line.stateAfter=null}function changeLine(doc,handle,changeType,op){var no=handle,line=handle;if(typeof handle=="number"){line=getLine(doc,clipLine(doc,handle))}else{no=lineNo(handle)}if(no==null){return null}if(op(line,no)&&doc.cm){regLineChange(doc.cm,no,changeType)}return line}function deleteNearSelection(cm,compute){var ranges=cm.doc.sel.ranges,kill=[];for(var i=0;i<ranges.length;i++){var toKill=compute(ranges[i]);while(kill.length&&cmp(toKill.from,lst(kill).to)<=0){var replaced=kill.pop();if(cmp(replaced.from,toKill.from)<0){toKill.from=replaced.from;break}}kill.push(toKill)}runInOp(cm,function(){for(var i=kill.length-1;i>=0;i--){replaceRange(cm.doc,"",kill[i].from,kill[i].to,"+delete")}ensureCursorVisible(cm)})}function findPosH(doc,pos,dir,unit,visually){var line=pos.line,ch=pos.ch,origDir=dir;var lineObj=getLine(doc,line);var possible=true;function findNextLine(){var l=line+dir;if(l<doc.first||l>=doc.first+doc.size){return(possible=false)}line=l;return lineObj=getLine(doc,l)}function moveOnce(boundToLine){var next=(visually?moveVisually:moveLogically)(lineObj,ch,dir,true);if(next==null){if(!boundToLine&&findNextLine()){if(visually){ch=(dir<0?lineRight:lineLeft)(lineObj)}else{ch=dir<0?lineObj.text.length:0}}else{return(possible=false)}}else{ch=next}return true}if(unit=="char"){moveOnce()}else{if(unit=="column"){moveOnce(true)}else{if(unit=="word"||unit=="group"){var sawType=null,group=unit=="group";var helper=doc.cm&&doc.cm.getHelper(pos,"wordChars");for(var first=true;;first=false){if(dir<0&&!moveOnce(!first)){break}var cur=lineObj.text.charAt(ch)||"\n";var type=isWordChar(cur,helper)?"w":group&&cur=="\n"?"n":!group||/\s/.test(cur)?null:"p";if(group&&!first&&!type){type="s"}if(sawType&&sawType!=type){if(dir<0){dir=1;moveOnce()}break}if(type){sawType=type}if(dir>0&&!moveOnce(!first)){break}}}}}var result=skipAtomic(doc,Pos(line,ch),origDir,true);if(!possible){result.hitSide=true}return result}function findPosV(cm,pos,dir,unit){var doc=cm.doc,x=pos.left,y;if(unit=="page"){var pageSize=Math.min(cm.display.wrapper.clientHeight,window.innerHeight||document.documentElement.clientHeight);y=pos.top+dir*(pageSize-(dir<0?1.5:0.5)*textHeight(cm.display))}else{if(unit=="line"){y=dir>0?pos.bottom+3:pos.top-3}}for(;;){var target=coordsChar(cm,x,y);if(!target.outside){break}if(dir<0?y<=0:y>=doc.height){target.hitSide=true;break}y+=dir*5}return target}CodeMirror.prototype={constructor:CodeMirror,focus:function(){window.focus();this.display.input.focus()},setOption:function(option,value){var options=this.options,old=options[option];if(options[option]==value&&option!="mode"){return}options[option]=value;if(optionHandlers.hasOwnProperty(option)){operation(this,optionHandlers[option])(this,value,old)}},getOption:function(option){return this.options[option]},getDoc:function(){return this.doc},addKeyMap:function(map,bottom){this.state.keyMaps[bottom?"push":"unshift"](getKeyMap(map))},removeKeyMap:function(map){var maps=this.state.keyMaps;for(var i=0;i<maps.length;++i){if(maps[i]==map||maps[i].name==map){maps.splice(i,1);return true}}},addOverlay:methodOp(function(spec,options){var mode=spec.token?spec:CodeMirror.getMode(this.options,spec);if(mode.startState){throw new Error("Overlays may not be stateful.")}this.state.overlays.push({mode:mode,modeSpec:spec,opaque:options&&options.opaque});this.state.modeGen++;regChange(this)}),removeOverlay:methodOp(function(spec){var overlays=this.state.overlays;for(var i=0;i<overlays.length;++i){var cur=overlays[i].modeSpec;if(cur==spec||typeof spec=="string"&&cur.name==spec){overlays.splice(i,1);this.state.modeGen++;regChange(this);return}}}),indentLine:methodOp(function(n,dir,aggressive){if(typeof dir!="string"&&typeof dir!="number"){if(dir==null){dir=this.options.smartIndent?"smart":"prev"}else{dir=dir?"add":"subtract"}}if(isLine(this.doc,n)){indentLine(this,n,dir,aggressive)}}),indentSelection:methodOp(function(how){var ranges=this.doc.sel.ranges,end=-1;for(var i=0;i<ranges.length;i++){var range=ranges[i];if(!range.empty()){var from=range.from(),to=range.to();var start=Math.max(end,from.line);end=Math.min(this.lastLine(),to.line-(to.ch?0:1))+1;for(var j=start;j<end;++j){indentLine(this,j,how)}var newRanges=this.doc.sel.ranges;if(from.ch==0&&ranges.length==newRanges.length&&newRanges[i].from().ch>0){replaceOneSelection(this.doc,i,new Range(from,newRanges[i].to()),sel_dontScroll)}}else{if(range.head.line>end){indentLine(this,range.head.line,how,true);end=range.head.line;if(i==this.doc.sel.primIndex){ensureCursorVisible(this)}}}}}),getTokenAt:function(pos,precise){return takeToken(this,pos,precise)