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File: codemirror.min.js

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f=d.children[e],g=f.chunkSize();if(a<=g){if(f.insertInner(a,b,c),f.lines&&f.lines.length>50){for(var h=f.lines.length%25+25,i=h;i<f.lines.length;){var j=new Oe(f.lines.slice(i,i+=25));f.height-=j.height,d.children.splice(++e,0,j),j.parent=d}f.lines=f.lines.slice(0,h),d.maybeSpill()}break}a-=g}},maybeSpill:function(){if(!(this.children.length<=10)){var a=this;do{var b=a.children.splice(a.children.length-5,5),c=new Pe(b);if(a.parent){a.size-=c.size,a.height-=c.height;var d=m(a.parent.children,a);a.parent.children.splice(d+1,0,c)}else{var e=new Pe(a.children);e.parent=a,a.children=[e,c],a=e}c.parent=a.parent}while(a.children.length>10);a.parent.maybeSpill()}},iterN:function(a,b,c){for(var d=this,e=0;e<this.children.length;++e){var f=d.children[e],g=f.chunkSize();if(a<g){var h=Math.min(b,g-a);if(f.iterN(a,h,c))return!0;if(0==(b-=h))break;a=0}else a-=g}}};var zh=function(a,b,c){var d=this;if(c)for(var e in c)c.hasOwnProperty(e)&&(d[e]=c[e]);this.doc=a,this.node=b};zh.prototype.clear=function(){var a=this,b=this.doc.cm,c=this.line.widgets,d=this.line,e=F(d);if(null!=e&&c){for(var f=0;f<c.length;++f)c[f]==a&&c.splice(f--,1);c.length||(d.widgets=null);var g=Mb(this);E(d,Math.max(0,d.height-g)),b&&(md(b,function(){Qe(b,d,-g),rd(b,e,"widget")}),yb(b,"lineWidgetCleared",b,this,e))}},zh.prototype.changed=function(){var a=this,b=this.height,c=this.doc.cm,d=this.line;this.height=null;var e=Mb(this)-b;e&&(E(d,d.height+e),c&&md(c,function(){c.curOp.forceUpdate=!0,Qe(c,d,e),yb(c,"lineWidgetChanged",c,a,F(d))}))},Ia(zh);var Ah=0,Bh=function(a,b){this.lines=[],this.type=b,this.doc=a,this.id=++Ah};Bh.prototype.clear=function(){var a=this;if(!this.explicitlyCleared){var b=this.doc.cm,c=b&&!b.curOp;if(c&&ed(b),Ha(this,"clear")){var d=this.find();d&&yb(this,"clear",d.from,d.to)}for(var e=null,f=null,g=0;g<this.lines.length;++g){var h=a.lines[g],i=W(h.markedSpans,a);b&&!a.collapsed?rd(b,F(h),"text"):b&&(null!=i.to&&(f=F(h)),null!=i.from&&(e=F(h))),h.markedSpans=X(h.markedSpans,i),null==i.from&&a.collapsed&&!qa(a.doc,h)&&b&&E(h,sc(b.display))}if(b&&this.collapsed&&!b.options.lineWrapping)for(var j=0;j<this.lines.length;++j){var k=la(a.lines[j]),l=ta(k);l>b.display.maxLineLength&&(b.display.maxLine=k,b.display.maxLineLength=l,b.display.maxLineChanged=!0)}null!=e&&b&&this.collapsed&&qd(b,e,f+1),this.lines.length=0,this.explicitlyCleared=!0,this.atomic&&this.doc.cantEdit&&(this.doc.cantEdit=!1,b&&we(b.doc)),b&&yb(b,"markerCleared",b,this,e,f),c&&fd(b),this.parent&&this.parent.clear()}},Bh.prototype.find=function(a,b){var c=this;null==a&&"bookmark"==this.type&&(a=1);for(var d,e,f=0;f<this.lines.length;++f){var g=c.lines[f],h=W(g.markedSpans,c);if(null!=h.from&&(d=J(b?g:F(g),h.from),a==-1))return d;if(null!=h.to&&(e=J(b?g:F(g),h.to),1==a))return e}return d&&{from:d,to:e}},Bh.prototype.changed=function(){var a=this,b=this.find(-1,!0),c=this,d=this.doc.cm;b&&d&&md(d,function(){var e=b.line,f=F(b.line),g=Yb(d,f);if(g&&(dc(g),d.curOp.selectionChanged=d.curOp.forceUpdate=!0),d.curOp.updateMaxLine=!0,!qa(c.doc,e)&&null!=c.height){var h=c.height;c.height=null;var i=Mb(c)-h;i&&E(e,e.height+i)}yb(d,"markerChanged",d,a)})},Bh.prototype.attachLine=function(a){if(!this.lines.length&&this.doc.cm){var b=this.doc.cm.curOp;b.maybeHiddenMarkers&&m(b.maybeHiddenMarkers,this)!=-1||(b.maybeUnhiddenMarkers||(b.maybeUnhiddenMarkers=[])).push(this)}this.lines.push(a)},Bh.prototype.detachLine=function(a){if(this.lines.splice(m(this.lines,a),1),!this.lines.length&&this.doc.cm){var b=this.doc.cm.curOp;(b.maybeHiddenMarkers||(b.maybeHiddenMarkers=[])).push(this)}},Ia(Bh);var Ch=function(a,b){var c=this;this.markers=a,this.primary=b;for(var d=0;d<a.length;++d)a[d].parent=c};Ch.prototype.clear=function(){var a=this;if(!this.explicitlyCleared){this.explicitlyCleared=!0;for(var b=0;b<this.markers.length;++b)a.markers[b].clear();yb(this,"clear")}},Ch.prototype.find=function(a,b){return this.primary.find(a,b)},Ia(Ch);var Dh=0,Eh=function(a,b,c,d,e){if(!(this instanceof Eh))return new Eh(a,b,c,d,e);null==c&&(c=0),Pe.call(this,[new Oe([new jh("",null)])]),this.first=c,this.scrollTop=this.scrollLeft=0,this.cantEdit=!1,this.cleanGeneration=1,this.modeFrontier=this.highlightFrontier=c;var f=J(c,0);this.sel=Nd(f),this.history=new _d(null),this.id=++Dh,this.modeOption=b,this.lineSep=d,this.direction="rtl"==e?"rtl":"ltr",this.extend=!1,"string"==typeof a&&(a=this.splitLines(a)),Wd(this,{from:f,to:f,text:a}),te(this,Nd(f),Ng)};Eh.prototype=t(Pe.prototype,{constructor:Eh,iter:function(a,b,c){c?this.iterN(a-this.first,b-a,c):this.iterN(this.first,this.first+this.size,a)},insert:function(a,b){for(var c=0,d=0;d<b.length;++d)c+=b[d].height;this.insertInner(a-this.first,b,c)},remove:function(a,b){this.removeInner(a-this.first,b)},getValue:function(a){var b=D(this,this.first,this.first+this.size);return a===!1?b:b.join(a||this.lineSeparator())},setValue:pd(function(a){var b=J(this.first,0),c=this.first+this.size-1;De(this,{from:b,to:J(c,B(this,c).text.length),text:this.splitLines(a),origin:"setValue",full:!0},!0),this.cm&&Vc(this.cm,0,0),te(this,Nd(b),Ng)}),replaceRange:function(a,b,c,d){b=Q(this,b),c=c?Q(this,c):b,Je(this,a,b,c,d)},getRange:function(a,b,c){var d=C(this,Q(this,a),Q(this,b));return c===!1?d:d.join(c||this.lineSeparator())},getLine:function(a){var b=this.getLineHandle(a);return b&&b.text},getLineHandle:function(a){if(H(this,a))return B(this,a)},getLineNumber:function(a){return F(a)},getLineHandleVisualStart:function(a){return"number"==typeof a&&(a=B(this,a)),la(a)},lineCount:function(){return this.size},firstLine:function(){return this.first},lastLine:function(){return this.first+this.size-1},clipPos:function(a){return Q(this,a)},getCursor:function(a){var b,c=this.sel.primary();return b=null==a||"head"==a?c.head:"anchor"==a?c.anchor:"end"==a||"to"==a||a===!1?c.to():c.from()},listSelections:function(){return this.sel.ranges},somethingSelected:function(){return this.sel.somethingSelected()},setCursor:pd(function(a,b,c){qe(this,Q(this,"number"==typeof a?J(a,b||0):a),null,c)}),setSelection:pd(function(a,b,c){qe(this,Q(this,a),Q(this,b||a),c)}),extendSelection:pd(function(a,b,c){ne(this,Q(this,a),b&&Q(this,b),c)}),extendSelections:pd(function(a,b){oe(this,S(this,a),b)}),extendSelectionsBy:pd(function(a,b){var c=q(this.sel.ranges,a);oe(this,S(this,c),b)}),setSelections:pd(function(a,b,c){var d=this;if(a.length){for(var e=[],f=0;f<a.length;f++)e[f]=new yh(Q(d,a[f].anchor),Q(d,a[f].head));null==b&&(b=Math.min(a.length-1,this.sel.primIndex)),te(this,Md(e,b),c)}}),addSelection:pd(function(a,b,c){var d=this.sel.ranges.slice(0);d.push(new yh(Q(this,a),Q(this,b||a))),te(this,Md(d,d.length-1),c)}),getSelection:function(a){for(var b,c=this,d=this.sel.ranges,e=0;e<d.length;e++){var f=C(c,d[e].from(),d[e].to());b=b?b.concat(f):f}return a===!1?b:b.join(a||this.lineSeparator())},getSelections:function(a){for(var b=this,c=[],d=this.sel.ranges,e=0;e<d.length;e++){var f=C(b,d[e].from(),d[e].to());a!==!1&&(f=f.join(a||b.lineSeparator())),c[e]=f}return c},replaceSelection:function(a,b,c){for(var d=[],e=0;e<this.sel.ranges.length;e++)d[e]=a;this.replaceSelections(d,b,c||"+input")},replaceSelections:pd(function(a,b,c){for(var d=this,e=[],f=this.sel,g=0;g<f.ranges.length;g++){var h=f.ranges[g];e[g]={from:h.from(),to:h.to(),text:d.splitLines(a[g]),origin:c}}for(var i=b&&"end"!=b&&Sd(this,e,b),j=e.length-1;j>=0;j--)De(d,e[j]);i?se(this,i):this.cm&&Uc(this.cm)}),undo:pd(function(){Fe(this,"undo")}),redo:pd(function(){Fe(this,"redo")}),undoSelection:pd(function(){Fe(this,"undo",!0)}),redoSelection:pd(function(){Fe(this,"redo",!0)}),setExtending:function(a){this.extend=a},getExtending:function(){return this.extend},historySize:function(){for(var a=this.history,b=0,c=0,d=0;d<a.done.length;d++)a.done[d].ranges||++b;for(var e=0;e<a.undone.length;e++)a.undone[e].ranges||++c;return{undo:b,redo:c}},clearHistory:function(){this.history=new _d(this.history.maxGeneration)},markClean:function(){this.cleanGeneration=this.changeGeneration(!0)},changeGeneration:function(a){return a&&(this.history.lastOp=this.history.lastSelOp=this.history.lastOrigin=null),this.history.generation},isClean:function(a){return this.history.generation==(a||this.cleanGeneration)},getHistory:function(){return{done:le(this.history.done),undone:le(this.history.undone)}},setHistory:function(a){var b=this.history=new _d(this.history.maxGeneration);b.done=le(a.done.slice(0),null,!0),b.undone=le(a.undone.slice(0),null,!0)},setGutterMarker:pd(function(a,b,c){return Ne(this,a,"gutter",function(a){var d=a.gutterMarkers||(a.gutterMarkers={});return d[b]=c,!c&&w(d)&&(a.gutterMarkers=null),!0})}),clearGutter:pd(function(a){var b=this;this.iter(function(c){c.gutterMarkers&&c.gutterMarkers[a]&&Ne(b,c,"gutter",function(){return c.gutterMarkers[a]=null,w(c.gutterMarkers)&&(c.gutterMarkers=null),!0})})}),lineInfo:function(a){var b;if("number"==typeof a){if(!H(this,a))return null;if(b=a,a=B(this,a),!a)return null}else if(b=F(a),null==b)return null;return{line:b,handle:a,text:a.text,gutterMarkers:a.gutterMarkers,textClass:a.textClass,bgClass:a.bgClass,wrapClass:a.wrapClass,widgets:a.widgets}},addLineClass:pd(function(b,c,d){return Ne(this,b,"gutter"==c?"gutter":"class",function(b){var e="text"==c?"textClass":"background"==c?"bgClass":"gutter"==c?"gutterClass":"wrapClass";if(b[e]){if(a(d).test(b[e]))return!1;b[e]+=" "+d}else b[e]=d;return!0})}),removeLineClass:pd(function(b,c,d){return Ne(this,b,"gutter"==c?"gutter":"class",function(b){var e="text"==c?"textClass":"background"==c?"bgClass":"gutter"==c?"gutterClass":"wrapClass",f=b[e];if(!f)return!1;if(null==d)b[e]=null;else{var g=f.match(a(d));if(!g)return!1;var h=g.index+g[0].length;b[e]=f.slice(0,g.index)+(g.index&&h!=f.length?" ":"")+f.slice(h)||null}return!0})}),addLineWidget:pd(function(a,b,c){return Re(this,a,b,c)}),removeLineWidget:function(a){a.clear()},markText:function(a,b,c){return Se(this,Q(this,a),Q(this,b),c,c&&c.type||"range")},setBookmark:function(a,b){var c={replacedWith:b&&(null==b.nodeType?b.widget:b),insertLeft:b&&b.insertLeft,clearWhenEmpty:!1,shared:b&&b.shared,handleMouseEvents:b&&b.handleMouseEvents};return a=Q(this,a),Se(this,a,a,c,"bookmark")},findMarksAt:function(a){a=Q(this,a);var b=[],c=B(this,a.line).markedSpans;if(c)for(var d=0;d<c.length;++d){var e=c[d];(null==e.from||e.from<=a.ch)&&(null==e.to||e.to>=a.ch)&&b.push(e.marker.parent||e.marker)}return b},findMarks:function(a,b,c){a=Q(this,a),b=Q(this,b);var d=[],e=a.line;return this.iter(a.line,b.line+1,function(f){var g=f.markedSpans;if(g)for(var h=0;h<g.length;h++){var i=g[h];null!=i.to&&e==a.line&&a.ch>=i.to||null==i.from&&e!=a.line||null!=i.from&&e==b.line&&i.from>=b.ch||c&&!c(i.marker)||d.push(i.marker.parent||i.marker)}++e}),d},getAllMarks:function(){var a=[];return this.iter(function(b){var c=b.markedSpans;if(c)for(var d=0;d<c.length;++d)null!=c[d].from&&a.push(c[d].marker)}),a},posFromIndex:function(a){var b,c=this.first,d=this.lineSeparator().length;return this.iter(function(e){var f=e.text.length+d;return f>a?(b=a,!0):(a-=f,void++c)}),Q(this,J(c,b))},indexFromPos:function(a){a=Q(this,a);var b=a.ch;if(a.line<this.first||a.ch<0)return 0;var c=this.lineSeparator().length;return this.iter(this.first,a.line,function(a){b+=a.text.length+c}),b},copy:function(a){var b=new Eh(D(this,this.first,this.first+this.size),this.modeOption,this.first,this.lineSep,this.direction);return b.scrollTop=this.scrollTop,b.scrollLeft=this.scrollLeft,b.sel=this.sel,b.extend=!1,a&&(b.history.undoDepth=this.history.undoDepth,b.setHistory(this.getHistory())),b},linkedDoc:function(a){a||(a={});var b=this.first,c=this.first+this.size;null!=a.from&&a.from>b&&(b=a.from),null!=a.to&&a.to<c&&(c=a.to);var d=new Eh(D(this,b,c),a.mode||this.modeOption,b,this.lineSep,this.direction);return a.sharedHist&&(d.history=this.history),(this.linked||(this.linked=[])).push({doc:d,sharedHist:a.sharedHist}),d.linked=[{doc:this,isParent:!0,sharedHist:a.sharedHist}],Ve(d,Ue(this)),d},unlinkDoc:function(a){var b=this;if(a instanceof Pf&&(a=a.doc),this.linked)for(var c=0;c<this.linked.length;++c){var d=b.linked[c];if(d.doc==a){b.linked.splice(c,1),a.unlinkDoc(b),We(Ue(b));break}}if(a.history==this.history){var e=[a.id];Xd(a,function(a){return e.push(a.id)},!0),a.history=new _d(null),a.history.done=le(this.history.done,e),a.history.undone=le(this.history.undone,e)}},iterLinkedDocs:function(a){Xd(this,a)},getMode:function(){return this.mode},getEditor:function(){return this.cm},splitLines:function(a){return this.lineSep?a.split(this.lineSep):$g(a)},lineSeparator:function(){return this.lineSep||"\n"},setDirection:pd(function(a){"rtl"!=a&&(a="ltr"),a!=this.direction&&(this.direction=a,this.iter(function(a){return a.order=null}),this.cm&&$d(this.cm))})}),Eh.prototype.eachLine=Eh.prototype.iter;for(var Fh=0,Gh=!1,Hh={3:"Enter",8:"Backspace",9:"Tab",13:"Enter",16:"Shift",17:"Ctrl",18:"Alt",19:"Pause",20:"CapsLock",27:"Esc",32:"Space",33:"PageUp",34:"PageDown",35:"End",36:"Home",37:"Left",38:"Up",39:"Right",40:"Down",44:"PrintScrn",45:"Insert",46:"Delete",59:";",61:"=",91:"Mod",92:"Mod",93:"Mod",106:"*",107:"=",109:"-",110:".",111:"/",127:"Delete",173:"-",186:";",187:"=",188:",",189:"-",190:".",191:"/",192:"`",219:"[",220:"\\",221:"]",222:"'",63232:"Up",63233:"Down",63234:"Left",63235:"Right",63272:"Delete",63273:"Home",63275:"End",63276:"PageUp",63277:"PageDown",63302:"Insert"},Ih=0;Ih<10;Ih++)Hh[Ih+48]=Hh[Ih+96]=String(Ih);for(var Jh=65;Jh<=90;Jh++)Hh[Jh]=String.fromCharCode(Jh);for(var Kh=1;Kh<=12;Kh++)Hh[Kh+111]=Hh[Kh+63235]="F"+Kh;var Lh={};Lh.basic={Left:"goCharLeft",Right:"goCharRight",Up:"goLineUp",Down:"goLineDown",End:"goLineEnd",Home:"goLineStartSmart",PageUp:"goPageUp",PageDown:"goPageDown",Delete:"delCharAfter",Backspace:"delCharBefore","Shift-Backspace":"delCharBefore",Tab:"defaultTab","Shift-Tab":"indentAuto",Enter:"newlineAndIndent",Insert:"toggleOverwrite",Esc:"singleSelection"},Lh.pcDefault={"Ctrl-A":"selectAll","Ctrl-D":"deleteLine","Ctrl-Z":"undo","Shift-Ctrl-Z":"redo","Ctrl-Y":"redo","Ctrl-Home":"goDocStart","Ctrl-End":"goDocEnd","Ctrl-Up":"goLineUp","Ctrl-Down":"goLineDown","Ctrl-Left":"goGroupLeft","Ctrl-Right":"goGroupRight","Alt-Left":"goLineStart","Alt-Right":"goLineEnd","Ctrl-Backspace":"delGroupBefore","Ctrl-Delete":"delGroupAfter","Ctrl-S":"save","Ctrl-F":"find","Ctrl-G":"findNext","Shift-Ctrl-G":"findPrev","Shift-Ctrl-F":"replace","Shift-Ctrl-R":"replaceAll","Ctrl-[":"indentLess","Ctrl-]":"indentMore","Ctrl-U":"undoSelection","Shift-Ctrl-U":"redoSelection","Alt-U":"redoSelection",fallthrough:"basic"},Lh.emacsy={"Ctrl-F":"goCharRight","Ctrl-B":"goCharLeft","Ctrl-P":"goLineUp","Ctrl-N":"goLineDown","Alt-F":"goWordRight","Alt-B":"goWordLeft","Ctrl-A":"goLineStart","Ctrl-E":"goLineEnd","Ctrl-V":"goPageDown","Shift-Ctrl-V":"goPageUp","Ctrl-D":"delCharAfter","Ctrl-H":"delCharBefore","Alt-D":"delWordAfter","Alt-Backspace":"delWordBefore","Ctrl-K":"killLine","Ctrl-T":"transposeChars","Ctrl-O":"openLine"},Lh.macDefault={"Cmd-A":"selectAll","Cmd-D":"deleteLine","Cmd-Z":"undo","Shift-Cmd-Z":"redo","Cmd-Y":"redo","Cmd-Home":"goDocStart","Cmd-Up":"goDocStart","Cmd-End":"goDocEnd","Cmd-Down":"goDocEnd","Alt-Left":"goGroupLeft","Alt-Right":"goGroupRight","Cmd-Left":"goLineLeft","Cmd-Right":"goLineRight","Alt-Backspace":"delGroupBefore","Ctrl-Alt-Backspace":"delGroupAfter","Alt-Delete":"delGroupAfter","Cmd-S":"save","Cmd-F":"find","Cmd-G":"findNext","Shift-Cmd-G":"findPrev","Cmd-Alt-F":"replace","Shift-Cmd-Alt-F":"replaceAll","Cmd-[":"indentLess","Cmd-]":"indentMore","Cmd-Backspace":"delWrappedLineLeft","Cmd-Delete":"delWrappedLineRight","Cmd-U":"undoSelection","Shift-Cmd-U":"redoSelection","Ctrl-Up":"goDocStart","Ctrl-Down":"goDocEnd",fallthrough:["basic","emacsy"]},Lh["default"]=zg?Lh.macDefault:Lh.pcDefault;var Mh={selectAll:Be,singleSelection:function(a){return a.setSelection(a.getCursor("anchor"),a.getCursor("head"),Ng)},killLine:function(a){return lf(a,function(b){if(b.empty()){var c=B(a.doc,b.head.line).text.length;
Fix

Ấn tiếp tục để Delete và ở lại trang, ấn Delete để Delete và quay về List dòng
Function