Function updateDisplaySimple

lib/codemirror/codemirror.min.js:14–14

(cm,viewport)

d.viewOffset=0;d.lastWrapHeight=d.lastWrapWidth=0;d.updateLineNumbers=null;d.nativeBarWidth=d.barHeight=d.barWidth=0;d.scrollbarsClipped=false;d.lineNumWidth=d.lineNumInnerWidth=d.lineNumChars=null;d.alignWidgets=false;d.cachedCharWidth=d.cachedTextHeight=d.cachedPaddingH=null;d.maxLine=null;d.maxLineLength=0;d.maxLineChanged=false;d.wheelDX=d.wheelDY=d.wheelStartX=d.wheelStartY=null;d.shift=false;d.selForContextMenu=null;d.activeTouch=null;input.init(d)}function loadMode(cm){cm.doc.mode=CodeMirror.getMode(cm.options,cm.doc.modeOption);resetModeState(cm)}function resetModeState(cm){cm.doc.iter(function(line){if(line.stateAfter){line.stateAfter=null}if(line.styles){line.styles=null}});cm.doc.frontier=cm.doc.first;startWorker(cm,100);cm.state.modeGen++;if(cm.curOp){regChange(cm)}}function wrappingChanged(cm){if(cm.options.lineWrapping){addClass(cm.display.wrapper,"CodeMirror-wrap");cm.display.sizer.style.minWidth="";cm.display.sizerWidth=null}else{rmClass(cm.display.wrapper,"CodeMirror-wrap");findMaxLine(cm)}estimateLineHeights(cm);regChange(cm);clearCaches(cm);setTimeout(function(){updateScrollbars(cm)},100)}function estimateHeight(cm){var th=textHeight(cm.display),wrapping=cm.options.lineWrapping;var perLine=wrapping&&Math.max(5,cm.display.scroller.clientWidth/charWidth(cm.display)-3);return function(line){if(lineIsHidden(cm.doc,line)){return 0}var widgetsHeight=0;if(line.widgets){for(var i=0;i<line.widgets.length;i++){if(line.widgets[i].height){widgetsHeight+=line.widgets[i].height}}}if(wrapping){return widgetsHeight+(Math.ceil(line.text.length/perLine)||1)*th}else{return widgetsHeight+th}}}function estimateLineHeights(cm){var doc=cm.doc,est=estimateHeight(cm);doc.iter(function(line){var estHeight=est(line);if(estHeight!=line.height){updateLineHeight(line,estHeight)}})}function themeChanged(cm){cm.display.wrapper.className=cm.display.wrapper.className.replace(/\s*cm-s-\S+/g,"")+cm.options.theme.replace(/(^|\s)\s*/g," cm-s-");clearCaches(cm)}function guttersChanged(cm){updateGutters(cm);regChange(cm);setTimeout(function(){alignHorizontally(cm)},20)}function updateGutters(cm){var gutters=cm.display.gutters,specs=cm.options.gutters;removeChildren(gutters);for(var i=0;i<specs.length;++i){var gutterClass=specs[i];var gElt=gutters.appendChild(elt("div",null,"CodeMirror-gutter "+gutterClass));if(gutterClass=="CodeMirror-linenumbers"){cm.display.lineGutter=gElt;gElt.style.width=(cm.display.lineNumWidth||1)+"px"}}gutters.style.display=i?"":"none";updateGutterSpace(cm)}function updateGutterSpace(cm){var width=cm.display.gutters.offsetWidth;cm.display.sizer.style.marginLeft=width+"px"}function lineLength(line){if(line.height==0){return 0}var len=line.text.length,merged,cur=line;while(merged=collapsedSpanAtStart(cur)){var found=merged.find(0,true);cur=found.from.line;len+=found.from.ch-found.to.ch}cur=line;while(merged=collapsedSpanAtEnd(cur)){var found=merged.find(0,true);len-=cur.text.length-found.from.ch;cur=found.to.line;len+=cur.text.length-found.to.ch}return len}function findMaxLine(cm){var d=cm.display,doc=cm.doc;d.maxLine=getLine(doc,doc.first);d.maxLineLength=lineLength(d.maxLine);d.maxLineChanged=true;doc.iter(function(line){var len=lineLength(line);if(len>d.maxLineLength){d.maxLineLength=len;d.maxLine=line}})}function setGuttersForLineNumbers(options){var found=indexOf(options.gutters,"CodeMirror-linenumbers");if(found==-1&&options.lineNumbers){options.gutters=options.gutters.concat(["CodeMirror-linenumbers"])}else{if(found>-1&&!options.lineNumbers){options.gutters=options.gutters.slice(0);options.gutters.splice(found,1)}}}function measureForScrollbars(cm){var d=cm.display,gutterW=d.gutters.offsetWidth;var docH=Math.round(cm.doc.height+paddingVert(cm.display));return{clientHeight:d.scroller.clientHeight,viewHeight:d.wrapper.clientHeight,scrollWidth:d.scroller.scrollWidth,clientWidth:d.scroller.clientWidth,viewWidth:d.wrapper.clientWidth,barLeft:cm.options.fixedGutter?gutterW:0,docHeight:docH,scrollHeight:docH+scrollGap(cm)+d.barHeight,nativeBarWidth:d.nativeBarWidth,gutterWidth:gutterW}}function NativeScrollbars(place,scroll,cm){this.cm=cm;var vert=this.vert=elt("div",[elt("div",null,null,"min-width: 1px")],"CodeMirror-vscrollbar");var horiz=this.horiz=elt("div",[elt("div",null,null,"height: 100%; min-height: 1px")],"CodeMirror-hscrollbar");place(vert);place(horiz);on(vert,"scroll",function(){if(vert.clientHeight){scroll(vert.scrollTop,"vertical")}});on(horiz,"scroll",function(){if(horiz.clientWidth){scroll(horiz.scrollLeft,"horizontal")}});this.checkedOverlay=false;if(ie&&ie_version<8){this.horiz.style.minHeight=this.vert.style.minWidth="18px"}}NativeScrollbars.prototype=copyObj({update:function(measure){var needsH=measure.scrollWidth>measure.clientWidth+1;var needsV=measure.scrollHeight>measure.clientHeight+1;var sWidth=measure.nativeBarWidth;if(needsV){this.vert.style.display="block";this.vert.style.bottom=needsH?sWidth+"px":"0";var totalHeight=measure.viewHeight-(needsH?sWidth:0);this.vert.firstChild.style.height=Math.max(0,measure.scrollHeight-measure.clientHeight+totalHeight)+"px"
}else{this.vert.style.display="";this.vert.firstChild.style.height="0"}if(needsH){this.horiz.style.display="block";this.horiz.style.right=needsV?sWidth+"px":"0";this.horiz.style.left=measure.barLeft+"px";var totalWidth=measure.viewWidth-measure.barLeft-(needsV?sWidth:0);this.horiz.firstChild.style.width=(measure.scrollWidth-measure.clientWidth+totalWidth)+"px"}else{this.horiz.style.display="";this.horiz.firstChild.style.width="0"}if(!this.checkedOverlay&&measure.clientHeight>0){if(sWidth==0){this.overlayHack()}this.checkedOverlay=true}return{right:needsV?sWidth:0,bottom:needsH?sWidth:0}},setScrollLeft:function(pos){if(this.horiz.scrollLeft!=pos){this.horiz.scrollLeft=pos}},setScrollTop:function(pos){if(this.vert.scrollTop!=pos){this.vert.scrollTop=pos}},overlayHack:function(){var w=mac&&!mac_geMountainLion?"12px":"18px";this.horiz.style.minHeight=this.vert.style.minWidth=w;var self=this;var barMouseDown=function(e){if(e_target(e)!=self.vert&&e_target(e)!=self.horiz){operation(self.cm,onMouseDown)(e)}};on(this.vert,"mousedown",barMouseDown);on(this.horiz,"mousedown",barMouseDown)},clear:function(){var parent=this.horiz.parentNode;parent.removeChild(this.horiz);parent.removeChild(this.vert)}},NativeScrollbars.prototype);function NullScrollbars(){}NullScrollbars.prototype=copyObj({update:function(){return{bottom:0,right:0}},setScrollLeft:function(){},setScrollTop:function(){},clear:function(){}},NullScrollbars.prototype);CodeMirror.scrollbarModel={"native":NativeScrollbars,"null":NullScrollbars};function initScrollbars(cm){if(cm.display.scrollbars){cm.display.scrollbars.clear();if(cm.display.scrollbars.addClass){rmClass(cm.display.wrapper,cm.display.scrollbars.addClass)}}cm.display.scrollbars=new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node){cm.display.wrapper.insertBefore(node,cm.display.scrollbarFiller);on(node,"mousedown",function(){if(cm.state.focused){setTimeout(function(){cm.display.input.focus()},0)}});node.setAttribute("cm-not-content","true")},function(pos,axis){if(axis=="horizontal"){setScrollLeft(cm,pos)}else{setScrollTop(cm,pos)}},cm);if(cm.display.scrollbars.addClass){addClass(cm.display.wrapper,cm.display.scrollbars.addClass)}}function updateScrollbars(cm,measure){if(!measure){measure=measureForScrollbars(cm)}var startWidth=cm.display.barWidth,startHeight=cm.display.barHeight;updateScrollbarsInner(cm,measure);for(var i=0;i<4&&startWidth!=cm.display.barWidth||startHeight!=cm.display.barHeight;i++){if(startWidth!=cm.display.barWidth&&cm.options.lineWrapping){updateHeightsInViewport(cm)}updateScrollbarsInner(cm,measureForScrollbars(cm));startWidth=cm.display.barWidth;startHeight=cm.display.barHeight}}function updateScrollbarsInner(cm,measure){var d=cm.display;var sizes=d.scrollbars.update(measure);d.sizer.style.paddingRight=(d.barWidth=sizes.right)+"px";d.sizer.style.paddingBottom=(d.barHeight=sizes.bottom)+"px";if(sizes.right&&sizes.bottom){d.scrollbarFiller.style.display="block";d.scrollbarFiller.style.height=sizes.bottom+"px";d.scrollbarFiller.style.width=sizes.right+"px"}else{d.scrollbarFiller.style.display=""}if(sizes.bottom&&cm.options.coverGutterNextToScrollbar&&cm.options.fixedGutter){d.gutterFiller.style.display="block";d.gutterFiller.style.height=sizes.bottom+"px";d.gutterFiller.style.width=measure.gutterWidth+"px"}else{d.gutterFiller.style.display=""}}function visibleLines(display,doc,viewport){var top=viewport&&viewport.top!=null?Math.max(0,viewport.top):display.scroller.scrollTop;top=Math.floor(top-paddingTop(display));var bottom=viewport&&viewport.bottom!=null?viewport.bottom:top+display.wrapper.clientHeight;var from=lineAtHeight(doc,top),to=lineAtHeight(doc,bottom);if(viewport&&viewport.ensure){var ensureFrom=viewport.ensure.from.line,ensureTo=viewport.ensure.to.line;if(ensureFrom<from){from=ensureFrom;to=lineAtHeight(doc,heightAtLine(getLine(doc,ensureFrom))+display.wrapper.clientHeight)}else{if(Math.min(ensureTo,doc.lastLine())>=to){from=lineAtHeight(doc,heightAtLine(getLine(doc,ensureTo))-display.wrapper.clientHeight);to=ensureTo}}}return{from:from,to:Math.max(to,from+1)}}function alignHorizontally(cm){var display=cm.display,view=display.view;if(!display.alignWidgets&&(!display.gutters.firstChild||!cm.options.fixedGutter)){return}var comp=compensateForHScroll(display)-display.scroller.scrollLeft+cm.doc.scrollLeft;var gutterW=display.gutters.offsetWidth,left=comp+"px";for(var i=0;i<view.length;i++){if(!view[i].hidden){if(cm.options.fixedGutter&&view[i].gutter){view[i].gutter.style.left=left}var align=view[i].alignable;if(align){for(var j=0;j<align.length;j++){align[j].style.left=left}}}}if(cm.options.fixedGutter){display.gutters.style.left=(comp+gutterW)+"px"}}function maybeUpdateLineNumberWidth(cm){if(!cm.options.lineNumbers){return false}var doc=cm.doc,last=lineNumberFor(cm.options,doc.first+doc.size-1),display=cm.display;if(last.length!=display.lineNumChars){var test=display.measure.appendChild(elt("div",[elt("div",last)],"CodeMirror-linenumber CodeMirror-gutter-elt"));
var innerW=test.firstChild.offsetWidth,padding=test.offsetWidth-innerW;display.lineGutter.style.width="";display.lineNumInnerWidth=Math.max(innerW,display.lineGutter.offsetWidth-padding);display.lineNumWidth=display.lineNumInnerWidth+padding;display.lineNumChars=display.lineNumInnerWidth?last.length:-1;display.lineGutter.style.width=display.lineNumWidth+"px";updateGutterSpace(cm);return true}return false}function lineNumberFor(options,i){return String(options.lineNumberFormatter(i+options.firstLineNumber))}function compensateForHScroll(display){return display.scroller.getBoundingClientRect().left-display.sizer.getBoundingClientRect().left}function DisplayUpdate(cm,viewport,force){var display=cm.display;this.viewport=viewport;this.visible=visibleLines(display,cm.doc,viewport);this.editorIsHidden=!display.wrapper.offsetWidth;this.wrapperHeight=display.wrapper.clientHeight;this.wrapperWidth=display.wrapper.clientWidth;this.oldDisplayWidth=displayWidth(cm);this.force=force;this.dims=getDimensions(cm);this.events=[]}DisplayUpdate.prototype.signal=function(emitter,type){if(hasHandler(emitter,type)){this.events.push(arguments)}};DisplayUpdate.prototype.finish=function(){for(var i=0;i<this.events.length;i++){signal.apply(null,this.events[i])}};function maybeClipScrollbars(cm){var display=cm.display;if(!display.scrollbarsClipped&&display.scroller.offsetWidth){display.nativeBarWidth=display.scroller.offsetWidth-display.scroller.clientWidth;display.heightForcer.style.height=scrollGap(cm)+"px";display.sizer.style.marginBottom=-display.nativeBarWidth+"px";display.sizer.style.borderRightWidth=scrollGap(cm)+"px";display.scrollbarsClipped=true}}function updateDisplayIfNeeded(cm,update){var display=cm.display,doc=cm.doc;if(update.editorIsHidden){resetView(cm);return false}if(!update.force&&update.visible.from>=display.viewFrom&&update.visible.to<=display.viewTo&&(display.updateLineNumbers==null||display.updateLineNumbers>=display.viewTo)&&display.renderedView==display.view&&countDirtyView(cm)==0){return false}if(maybeUpdateLineNumberWidth(cm)){resetView(cm);update.dims=getDimensions(cm)}var end=doc.first+doc.size;var from=Math.max(update.visible.from-cm.options.viewportMargin,doc.first);var to=Math.min(end,update.visible.to+cm.options.viewportMargin);if(display.viewFrom<from&&from-display.viewFrom<20){from=Math.max(doc.first,display.viewFrom)}if(display.viewTo>to&&display.viewTo-to<20){to=Math.min(end,display.viewTo)}if(sawCollapsedSpans){from=visualLineNo(cm.doc,from);to=visualLineEndNo(cm.doc,to)}var different=from!=display.viewFrom||to!=display.viewTo||display.lastWrapHeight!=update.wrapperHeight||display.lastWrapWidth!=update.wrapperWidth;adjustView(cm,from,to);display.viewOffset=heightAtLine(getLine(cm.doc,display.viewFrom));cm.display.mover.style.top=display.viewOffset+"px";var toUpdate=countDirtyView(cm);if(!different&&toUpdate==0&&!update.force&&display.renderedView==display.view&&(display.updateLineNumbers==null||display.updateLineNumbers>=display.viewTo)){return false}var focused=activeElt();if(toUpdate>4){display.lineDiv.style.display="none"}patchDisplay(cm,display.updateLineNumbers,update.dims);if(toUpdate>4){display.lineDiv.style.display=""}display.renderedView=display.view;if(focused&&activeElt()!=focused&&focused.offsetHeight){focused.focus()}removeChildren(display.cursorDiv);removeChildren(display.selectionDiv);display.gutters.style.height=0;if(different){display.lastWrapHeight=update.wrapperHeight;display.lastWrapWidth=update.wrapperWidth;startWorker(cm,400)}display.updateLineNumbers=null;return true}function postUpdateDisplay(cm,update){var force=update.force,viewport=update.viewport;for(var first=true;;first=false){if(first&&cm.options.lineWrapping&&update.oldDisplayWidth!=displayWidth(cm)){force=true}else{force=false;if(viewport&&viewport.top!=null){viewport={top:Math.min(cm.doc.height+paddingVert(cm.display)-displayHeight(cm),viewport.top)}}update.visible=visibleLines(cm.display,cm.doc,viewport);if(update.visible.from>=cm.display.viewFrom&&update.visible.to<=cm.display.viewTo){break}}if(!updateDisplayIfNeeded(cm,update)){break}updateHeightsInViewport(cm);var barMeasure=measureForScrollbars(cm);updateSelection(cm);setDocumentHeight(cm,barMeasure);updateScrollbars(cm,barMeasure)}update.signal(cm,"update",cm);if(cm.display.viewFrom!=cm.display.reportedViewFrom||cm.display.viewTo!=cm.display.reportedViewTo){update.signal(cm,"viewportChange",cm,cm.display.viewFrom,cm.display.viewTo);cm.display.reportedViewFrom=cm.display.viewFrom;cm.display.reportedViewTo=cm.display.viewTo}}function updateDisplaySimple(cm,viewport){var update=new DisplayUpdate(cm,viewport);if(updateDisplayIfNeeded(cm,update)){updateHeightsInViewport(cm);postUpdateDisplay(cm,update);var barMeasure=measureForScrollbars(cm);updateSelection(cm);setDocumentHeight(cm,barMeasure);updateScrollbars(cm,barMeasure);update.finish()}}function setDocumentHeight(cm,measure){cm.display.sizer.style.minHeight=measure.docHeight+"px";var total=measure.docHeight+cm.display.barHeight;
cm.display.heightForcer.style.top=total+"px";cm.display.gutters.style.height=Math.max(total+scrollGap(cm),measure.clientHeight)+"px"}function updateHeightsInViewport(cm){var display=cm.display;var prevBottom=display.lineDiv.offsetTop;for(var i=0;i<display.view.length;i++){var cur=display.view[i],height;if(cur.hidden){continue}if(ie&&ie_version<8){var bot=cur.node.offsetTop+cur.node.offsetHeight;height=bot-prevBottom;prevBottom=bot}else{var box=cur.node.getBoundingClientRect();height=box.bottom-box.top}var diff=cur.line.height-height;if(height<2){height=textHeight(display)}if(diff>0.001||diff<-0.001){updateLineHeight(cur.line,height);updateWidgetHeight(cur.line);if(cur.rest){for(var j=0;j<cur.rest.length;j++){updateWidgetHeight(cur.rest[j])}}}}}function updateWidgetHeight(line){if(line.widgets){for(var i=0;i<line.widgets.length;++i){line.widgets[i].height=line.widgets[i].node.offsetHeight}}}function getDimensions(cm){var d=cm.display,left={},width={};var gutterLeft=d.gutters.clientLeft;for(var n=d.gutters.firstChild,i=0;n;n=n.nextSibling,++i){left[cm.options.gutters[i]]=n.offsetLeft+n.clientLeft+gutterLeft;width[cm.options.gutters[i]]=n.clientWidth}return{fixedPos:compensateForHScroll(d),gutterTotalWidth:d.gutters.offsetWidth,gutterLeft:left,gutterWidth:width,wrapperWidth:d.wrapper.clientWidth}}function patchDisplay(cm,updateNumbersFrom,dims){var display=cm.display,lineNumbers=cm.options.lineNumbers;var container=display.lineDiv,cur=container.firstChild;function rm(node){var next=node.nextSibling;if(webkit&&mac&&cm.display.currentWheelTarget==node){node.style.display="none"}else{node.parentNode.removeChild(node)}return next}var view=display.view,lineN=display.viewFrom;for(var i=0;i<view.length;i++){var lineView=view[i];if(lineView.hidden){}else{if(!lineView.node||lineView.node.parentNode!=container){var node=buildLineElement(cm,lineView,lineN,dims);container.insertBefore(node,cur)}else{while(cur!=lineView.node){cur=rm(cur)}var updateNumber=lineNumbers&&updateNumbersFrom!=null&&updateNumbersFrom<=lineN&&lineView.lineNumber;if(lineView.changes){if(indexOf(lineView.changes,"gutter")>-1){updateNumber=false}updateLineForChanges(cm,lineView,lineN,dims)}if(updateNumber){removeChildren(lineView.lineNumber);lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options,lineN)))}cur=lineView.node.nextSibling}}lineN+=lineView.size}while(cur){cur=rm(cur)}}function updateLineForChanges(cm,lineView,lineN,dims){for(var j=0;j<lineView.changes.length;j++){var type=lineView.changes[j];if(type=="text"){updateLineText(cm,lineView)}else{if(type=="gutter"){updateLineGutter(cm,lineView,lineN,dims)}else{if(type=="class"){updateLineClasses(lineView)}else{if(type=="widget"){updateLineWidgets(cm,lineView,dims)}}}}}lineView.changes=null}function ensureLineWrapped(lineView){if(lineView.node==lineView.text){lineView.node=elt("div",null,null,"position: relative");if(lineView.text.parentNode){lineView.text.parentNode.replaceChild(lineView.node,lineView.text)}lineView.node.appendChild(lineView.text);if(ie&&ie_version<8){lineView.node.style.zIndex=2}}return lineView.node}function updateLineBackground(lineView){var cls=lineView.bgClass?lineView.bgClass+" "+(lineView.line.bgClass||""):lineView.line.bgClass;if(cls){cls+=" CodeMirror-linebackground"}if(lineView.background){if(cls){lineView.background.className=cls}else{lineView.background.parentNode.removeChild(lineView.background);lineView.background=null}}else{if(cls){var wrap=ensureLineWrapped(lineView);lineView.background=wrap.insertBefore(elt("div",null,cls),wrap.firstChild)}}}function getLineContent(cm,lineView){var ext=cm.display.externalMeasured;if(ext&&ext.line==lineView.line){cm.display.externalMeasured=null;lineView.measure=ext.measure;return ext.built}return buildLineContent(cm,lineView)}function updateLineText(cm,lineView){var cls=lineView.text.className;var built=getLineContent(cm,lineView);if(lineView.text==lineView.node){lineView.node=built.pre}lineView.text.parentNode.replaceChild(built.pre,lineView.text);lineView.text=built.pre;if(built.bgClass!=lineView.bgClass||built.textClass!=lineView.textClass){lineView.bgClass=built.bgClass;lineView.textClass=built.textClass;updateLineClasses(lineView)}else{if(cls){lineView.text.className=cls}}}function updateLineClasses(lineView){updateLineBackground(lineView);if(lineView.line.wrapClass){ensureLineWrapped(lineView).className=lineView.line.wrapClass}else{if(lineView.node!=lineView.text){lineView.node.className=""}}var textClass=lineView.textClass?lineView.textClass+" "+(lineView.line.textClass||""):lineView.line.textClass;lineView.text.className=textClass||""}function updateLineGutter(cm,lineView,lineN,dims){if(lineView.gutter){lineView.node.removeChild(lineView.gutter);lineView.gutter=null}var markers=lineView.line.gutterMarkers;if(cm.options.lineNumbers||markers){var wrap=ensureLineWrapped(lineView);var gutterWrap=lineView.gutter=elt("div",null,"CodeMirror-gutter-wrapper","left: "+(cm.options.fixedGutter?dims.fixedPos:-dims.gutterTotalWidth)+"px; width: "+dims.gutterTotalWidth+"px");
cm.display.input.setUneditable(gutterWrap);wrap.insertBefore(gutterWrap,lineView.text);if(lineView.line.gutterClass){gutterWrap.className+=" "+lineView.line.gutterClass}if(cm.options.lineNumbers&&(!markers||!markers["CodeMirror-linenumbers"])){lineView.lineNumber=gutterWrap.appendChild(elt("div",lineNumberFor(cm.options,lineN),"CodeMirror-linenumber CodeMirror-gutter-elt","left: "+dims.gutterLeft["CodeMirror-linenumbers"]+"px; width: "+cm.display.lineNumInnerWidth+"px"))}if(markers){for(var k=0;k<cm.options.gutters.length;++k){var id=cm.options.gutters[k],found=markers.hasOwnProperty(id)&&markers[id];if(found){gutterWrap.appendChild(elt("div",[found],"CodeMirror-gutter-elt","left: "+dims.gutterLeft[id]+"px; width: "+dims.gutterWidth[id]+"px"))}}}}}function updateLineWidgets(cm,lineView,dims){if(lineView.alignable){lineView.alignable=null}for(var node=lineView.node.firstChild,next;node;node=next){var next=node.nextSibling;if(node.className=="CodeMirror-linewidget"){lineView.node.removeChild(node)}}insertLineWidgets(cm,lineView,dims)}function buildLineElement(cm,lineView,lineN,dims){var built=getLineContent(cm,lineView);lineView.text=lineView.node=built.pre;if(built.bgClass){lineView.bgClass=built.bgClass}if(built.textClass){lineView.textClass=built.textClass}updateLineClasses(lineView);updateLineGutter(cm,lineView,lineN,dims);insertLineWidgets(cm,lineView,dims);return lineView.node}function insertLineWidgets(cm,lineView,dims){insertLineWidgetsFor(cm,lineView.line,lineView,dims,true);if(lineView.rest){for(var i=0;i<lineView.rest.length;i++){insertLineWidgetsFor(cm,lineView.rest[i],lineView,dims,false)}}}function insertLineWidgetsFor(cm,line,lineView,dims,allowAbove){if(!line.widgets){return}var wrap=ensureLineWrapped(lineView);for(var i=0,ws=line.widgets;i<ws.length;++i){var widget=ws[i],node=elt("div",[widget.node],"CodeMirror-linewidget");if(!widget.handleMouseEvents){node.setAttribute("cm-ignore-events","true")}positionLineWidget(widget,node,lineView,dims);cm.display.input.setUneditable(node);if(allowAbove&&widget.above){wrap.insertBefore(node,lineView.gutter||lineView.text)}else{wrap.appendChild(node)}signalLater(widget,"redraw")}}function positionLineWidget(widget,node,lineView,dims){if(widget.noHScroll){(lineView.alignable||(lineView.alignable=[])).push(node);var width=dims.wrapperWidth;node.style.left=dims.fixedPos+"px";if(!widget.coverGutter){width-=dims.gutterTotalWidth;node.style.paddingLeft=dims.gutterTotalWidth+"px"}node.style.width=width+"px"}if(widget.coverGutter){node.style.zIndex=5;node.style.position="relative";if(!widget.noHScroll){node.style.marginLeft=-dims.gutterTotalWidth+"px"}}}var Pos=CodeMirror.Pos=function(line,ch){if(!(this instanceof Pos)){return new Pos(line,ch)}this.line=line;this.ch=ch};var cmp=CodeMirror.cmpPos=function(a,b){return a.line-b.line||a.ch-b.ch};function copyPos(x){return Pos(x.line,x.ch)}function maxPos(a,b){return cmp(a,b)<0?b:a}function minPos(a,b){return cmp(a,b)<0?a:b}function ensureFocus(cm){if(!cm.state.focused){cm.display.input.focus();onFocus(cm)}}function isReadOnly(cm){return cm.options.readOnly||cm.doc.cantEdit}var lastCopied=null;function applyTextInput(cm,inserted,deleted,sel){var doc=cm.doc;cm.display.shift=false;if(!sel){sel=doc.sel}var textLines=splitLines(inserted),multiPaste=null;if(cm.state.pasteIncoming&&sel.ranges.length>1){if(lastCopied&&lastCopied.join("\n")==inserted){multiPaste=sel.ranges.length%lastCopied.length==0&&map(lastCopied,splitLines)}else{if(textLines.length==sel.ranges.length){multiPaste=map(textLines,function(l){return[l]})}}}for(var i=sel.ranges.length-1;i>=0;i--){var range=sel.ranges[i];var from=range.from(),to=range.to();if(range.empty()){if(deleted&&deleted>0){from=Pos(from.line,from.ch-deleted)}else{if(cm.state.overwrite&&!cm.state.pasteIncoming){to=Pos(to.line,Math.min(getLine(doc,to.line).text.length,to.ch+lst(textLines).length))}}}var updateInput=cm.curOp.updateInput;var changeEvent={from:from,to:to,text:multiPaste?multiPaste[i%multiPaste.length]:textLines,origin:cm.state.pasteIncoming?"paste":cm.state.cutIncoming?"cut":"+input"};makeChange(cm.doc,changeEvent);signalLater(cm,"inputRead",cm,changeEvent);if(inserted&&!cm.state.pasteIncoming&&cm.options.electricChars&&cm.options.smartIndent&&range.head.ch<100&&(!i||sel.ranges[i-1].head.line!=range.head.line)){var mode=cm.getModeAt(range.head);var end=changeEnd(changeEvent);if(mode.electricChars){for(var j=0;j<mode.electricChars.length;j++){if(inserted.indexOf(mode.electricChars.charAt(j))>-1){indentLine(cm,end.line,"smart");break}}}else{if(mode.electricInput){if(mode.electricInput.test(getLine(doc,end.line).text.slice(0,end.ch))){indentLine(cm,end.line,"smart")}}}}}ensureCursorVisible(cm);cm.curOp.updateInput=updateInput;cm.curOp.typing=true;cm.state.pasteIncoming=cm.state.cutIncoming=false}function copyableRanges(cm){var text=[],ranges=[];for(var i=0;i<cm.doc.sel.ranges.length;i++){var line=cm.doc.sel.ranges[i].head.line;var lineRange={anchor:Pos(line,0),head:Pos(line+1,0)};
ranges.push(lineRange);text.push(cm.getRange(lineRange.anchor,lineRange.head))}return{text:text,ranges:ranges}}function disableBrowserMagic(field){field.setAttribute("autocorrect","off");field.setAttribute("autocapitalize","off");field.setAttribute("spellcheck","false")}function TextareaInput(cm){this.cm=cm;this.prevInput="";this.pollingFast=false;this.polling=new Delayed();this.inaccurateSelection=false;this.hasSelection=false}function hiddenTextarea(){var te=elt("textarea",null,null,"position: absolute; padding: 0; width: 1px; height: 1em; outline: none");var div=elt("div",[te],null,"overflow: hidden; position: relative; width: 3px; height: 0px;");if(webkit){te.style.width="1000px"}else{te.setAttribute("wrap","off")}if(ios){te.style.border="1px solid black"}disableBrowserMagic(te);return div}TextareaInput.prototype=copyObj({init:function(display){var input=this,cm=this.cm;var div=this.wrapper=hiddenTextarea();var te=this.textarea=div.firstChild;display.wrapper.insertBefore(div,display.wrapper.firstChild);if(ios){te.style.width="0px"}on(te,"input",function(){if(ie&&ie_version>=9&&input.hasSelection){input.hasSelection=null}input.poll()});on(te,"paste",function(){if(webkit&&!cm.state.fakedLastChar&&!(new Date-cm.state.lastMiddleDown<200)){var start=te.selectionStart,end=te.selectionEnd;te.value+="$";te.selectionEnd=end;te.selectionStart=start;cm.state.fakedLastChar=true}cm.state.pasteIncoming=true;input.fastPoll()});function prepareCopyCut(e){if(cm.somethingSelected()){lastCopied=cm.getSelections();if(input.inaccurateSelection){input.prevInput="";input.inaccurateSelection=false;te.value=lastCopied.join("\n");selectInput(te)}}else{var ranges=copyableRanges(cm);lastCopied=ranges.text;if(e.type=="cut"){cm.setSelections(ranges.ranges,null,sel_dontScroll)}else{input.prevInput="";te.value=ranges.text.join("\n");selectInput(te)}}if(e.type=="cut"){cm.state.cutIncoming=true}}on(te,"cut",prepareCopyCut);on(te,"copy",prepareCopyCut);on(display.scroller,"paste",function(e){if(eventInWidget(display,e)){return}cm.state.pasteIncoming=true;input.focus()});on(display.lineSpace,"selectstart",function(e){if(!eventInWidget(display,e)){e_preventDefault(e)}})},prepareSelection:function(){var cm=this.cm,display=cm.display,doc=cm.doc;var result=prepareSelection(cm);if(cm.options.moveInputWithCursor){var headPos=cursorCoords(cm,doc.sel.primary().head,"div");var wrapOff=display.wrapper.getBoundingClientRect(),lineOff=display.lineDiv.getBoundingClientRect();result.teTop=Math.max(0,Math.min(display.wrapper.clientHeight-10,headPos.top+lineOff.top-wrapOff.top));result.teLeft=Math.max(0,Math.min(display.wrapper.clientWidth-10,headPos.left+lineOff.left-wrapOff.left))}return result},showSelection:function(drawn){var cm=this.cm,display=cm.display;removeChildrenAndAdd(display.cursorDiv,drawn.cursors);removeChildrenAndAdd(display.selectionDiv,drawn.selection);if(drawn.teTop!=null){this.wrapper.style.top=drawn.teTop+"px";this.wrapper.style.left=drawn.teLeft+"px"}},reset:function(typing){if(this.contextMenuPending){return}var minimal,selected,cm=this.cm,doc=cm.doc;if(cm.somethingSelected()){this.prevInput="";var range=doc.sel.primary();minimal=hasCopyEvent&&(range.to().line-range.from().line>100||(selected=cm.getSelection()).length>1000);var content=minimal?"-":selected||cm.getSelection();this.textarea.value=content;if(cm.state.focused){selectInput(this.textarea)}if(ie&&ie_version>=9){this.hasSelection=content}}else{if(!typing){this.prevInput=this.textarea.value="";if(ie&&ie_version>=9){this.hasSelection=null}}}this.inaccurateSelection=minimal},getField:function(){return this.textarea},supportsTouch:function(){return false},focus:function(){if(this.cm.options.readOnly!="nocursor"&&(!mobile||activeElt()!=this.textarea)){try{this.textarea.focus()}catch(e){}}},blur:function(){this.textarea.blur()},resetPosition:function(){this.wrapper.style.top=this.wrapper.style.left=0},receivedFocus:function(){this.slowPoll()},slowPoll:function(){var input=this;if(input.pollingFast){return}input.polling.set(this.cm.options.pollInterval,function(){input.poll();if(input.cm.state.focused){input.slowPoll()}})},fastPoll:function(){var missed=false,input=this;input.pollingFast=true;function p(){var changed=input.poll();if(!changed&&!missed){missed=true;input.polling.set(60,p)}else{input.pollingFast=false;input.slowPoll()}}input.polling.set(20,p)},poll:function(){var cm=this.cm,input=this.textarea,prevInput=this.prevInput;if(!cm.state.focused||(hasSelection(input)&&!prevInput)||isReadOnly(cm)||cm.options.disableInput||cm.state.keySeq){return false}if(cm.state.pasteIncoming&&cm.state.fakedLastChar){input.value=input.value.substring(0,input.value.length-1);cm.state.fakedLastChar=false}var text=input.value;if(text==prevInput&&!cm.somethingSelected()){return false}if(ie&&ie_version>=9&&this.hasSelection===text||mac&&/[\uf700-\uf7ff]/.test(text)){cm.display.input.reset();return false}if(text.charCodeAt(0)==8203&&cm.doc.sel==cm.display.selForContextMenu&&!prevInput){prevInput="\u200b"