Function resetView

lib/codemirror/codemirror.min.js:27–27

(cm)

}else{if(context=="local"||!context){var localBox=cm.display.sizer.getBoundingClientRect();left+=localBox.left;top+=localBox.top}}var lineSpaceBox=cm.display.lineSpace.getBoundingClientRect();return{left:left-lineSpaceBox.left,top:top-lineSpaceBox.top}}function charCoords(cm,pos,context,lineObj,bias){if(!lineObj){lineObj=getLine(cm.doc,pos.line)}return intoCoordSystem(cm,lineObj,measureChar(cm,lineObj,pos.ch,bias),context)}function cursorCoords(cm,pos,context,lineObj,preparedMeasure,varHeight){lineObj=lineObj||getLine(cm.doc,pos.line);if(!preparedMeasure){preparedMeasure=prepareMeasureForLine(cm,lineObj)}function get(ch,right){var m=measureCharPrepared(cm,preparedMeasure,ch,right?"right":"left",varHeight);if(right){m.left=m.right}else{m.right=m.left}return intoCoordSystem(cm,lineObj,m,context)}function getBidi(ch,partPos){var part=order[partPos],right=part.level%2;if(ch==bidiLeft(part)&&partPos&&part.level<order[partPos-1].level){part=order[--partPos];ch=bidiRight(part)-(part.level%2?0:1);right=true}else{if(ch==bidiRight(part)&&partPos<order.length-1&&part.level<order[partPos+1].level){part=order[++partPos];ch=bidiLeft(part)-part.level%2;right=false}}if(right&&ch==part.to&&ch>part.from){return get(ch-1)}return get(ch,right)}var order=getOrder(lineObj),ch=pos.ch;if(!order){return get(ch)}var partPos=getBidiPartAt(order,ch);var val=getBidi(ch,partPos);if(bidiOther!=null){val.other=getBidi(ch,bidiOther)}return val}function estimateCoords(cm,pos){var left=0,pos=clipPos(cm.doc,pos);if(!cm.options.lineWrapping){left=charWidth(cm.display)*pos.ch}var lineObj=getLine(cm.doc,pos.line);var top=heightAtLine(lineObj)+paddingTop(cm.display);return{left:left,right:left,top:top,bottom:top+lineObj.height}}function PosWithInfo(line,ch,outside,xRel){var pos=Pos(line,ch);pos.xRel=xRel;if(outside){pos.outside=true}return pos}function coordsChar(cm,x,y){var doc=cm.doc;y+=cm.display.viewOffset;if(y<0){return PosWithInfo(doc.first,0,true,-1)}var lineN=lineAtHeight(doc,y),last=doc.first+doc.size-1;if(lineN>last){return PosWithInfo(doc.first+doc.size-1,getLine(doc,last).text.length,true,1)}if(x<0){x=0}var lineObj=getLine(doc,lineN);for(;;){var found=coordsCharInner(cm,lineObj,lineN,x,y);var merged=collapsedSpanAtEnd(lineObj);var mergedPos=merged&&merged.find(0,true);if(merged&&(found.ch>mergedPos.from.ch||found.ch==mergedPos.from.ch&&found.xRel>0)){lineN=lineNo(lineObj=mergedPos.to.line)}else{return found}}}function coordsCharInner(cm,lineObj,lineNo,x,y){var innerOff=y-heightAtLine(lineObj);var wrongLine=false,adjust=2*cm.display.wrapper.clientWidth;var preparedMeasure=prepareMeasureForLine(cm,lineObj);function getX(ch){var sp=cursorCoords(cm,Pos(lineNo,ch),"line",lineObj,preparedMeasure);wrongLine=true;if(innerOff>sp.bottom){return sp.left-adjust}else{if(innerOff<sp.top){return sp.left+adjust}else{wrongLine=false}}return sp.left}var bidi=getOrder(lineObj),dist=lineObj.text.length;var from=lineLeft(lineObj),to=lineRight(lineObj);var fromX=getX(from),fromOutside=wrongLine,toX=getX(to),toOutside=wrongLine;if(x>toX){return PosWithInfo(lineNo,to,toOutside,1)}for(;;){if(bidi?to==from||to==moveVisually(lineObj,from,1):to-from<=1){var ch=x<fromX||x-fromX<=toX-x?from:to;var xDiff=x-(ch==from?fromX:toX);while(isExtendingChar(lineObj.text.charAt(ch))){++ch}var pos=PosWithInfo(lineNo,ch,ch==from?fromOutside:toOutside,xDiff<-1?-1:xDiff>1?1:0);return pos}var step=Math.ceil(dist/2),middle=from+step;if(bidi){middle=from;for(var i=0;i<step;++i){middle=moveVisually(lineObj,middle,1)}}var middleX=getX(middle);if(middleX>x){to=middle;toX=middleX;if(toOutside=wrongLine){toX+=1000}dist=step}else{from=middle;fromX=middleX;fromOutside=wrongLine;dist-=step}}}var measureText;function textHeight(display){if(display.cachedTextHeight!=null){return display.cachedTextHeight}if(measureText==null){measureText=elt("pre");for(var i=0;i<49;++i){measureText.appendChild(document.createTextNode("x"));measureText.appendChild(elt("br"))}measureText.appendChild(document.createTextNode("x"))}removeChildrenAndAdd(display.measure,measureText);var height=measureText.offsetHeight/50;if(height>3){display.cachedTextHeight=height}removeChildren(display.measure);return height||1}function charWidth(display){if(display.cachedCharWidth!=null){return display.cachedCharWidth}var anchor=elt("span","xxxxxxxxxx");var pre=elt("pre",[anchor]);removeChildrenAndAdd(display.measure,pre);var rect=anchor.getBoundingClientRect(),width=(rect.right-rect.left)/10;if(width>2){display.cachedCharWidth=width}return width||10}var operationGroup=null;var nextOpId=0;function startOperation(cm){cm.curOp={cm:cm,viewChanged:false,startHeight:cm.doc.height,forceUpdate:false,updateInput:null,typing:false,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:false,updateMaxLine:false,scrollLeft:null,scrollTop:null,scrollToPos:null,id:++nextOpId};if(operationGroup){operationGroup.ops.push(cm.curOp)}else{cm.curOp.ownsGroup=operationGroup={ops:[cm.curOp],delayedCallbacks:[]}}}function fireCallbacksForOps(group){var callbacks=group.delayedCallbacks,i=0;
do{for(;i<callbacks.length;i++){callbacks[i]()}for(var j=0;j<group.ops.length;j++){var op=group.ops[j];if(op.cursorActivityHandlers){while(op.cursorActivityCalled<op.cursorActivityHandlers.length){op.cursorActivityHandlers[op.cursorActivityCalled++](op.cm)}}}}while(i<callbacks.length)}function endOperation(cm){var op=cm.curOp,group=op.ownsGroup;if(!group){return}try{fireCallbacksForOps(group)}finally{operationGroup=null;for(var i=0;i<group.ops.length;i++){group.ops[i].cm.curOp=null}endOperations(group)}}function endOperations(group){var ops=group.ops;for(var i=0;i<ops.length;i++){endOperation_R1(ops[i])}for(var i=0;i<ops.length;i++){endOperation_W1(ops[i])}for(var i=0;i<ops.length;i++){endOperation_R2(ops[i])}for(var i=0;i<ops.length;i++){endOperation_W2(ops[i])}for(var i=0;i<ops.length;i++){endOperation_finish(ops[i])}}function endOperation_R1(op){var cm=op.cm,display=cm.display;maybeClipScrollbars(cm);if(op.updateMaxLine){findMaxLine(cm)}op.mustUpdate=op.viewChanged||op.forceUpdate||op.scrollTop!=null||op.scrollToPos&&(op.scrollToPos.from.line<display.viewFrom||op.scrollToPos.to.line>=display.viewTo)||display.maxLineChanged&&cm.options.lineWrapping;op.update=op.mustUpdate&&new DisplayUpdate(cm,op.mustUpdate&&{top:op.scrollTop,ensure:op.scrollToPos},op.forceUpdate)}function endOperation_W1(op){op.updatedDisplay=op.mustUpdate&&updateDisplayIfNeeded(op.cm,op.update)}function endOperation_R2(op){var cm=op.cm,display=cm.display;if(op.updatedDisplay){updateHeightsInViewport(cm)}op.barMeasure=measureForScrollbars(cm);if(display.maxLineChanged&&!cm.options.lineWrapping){op.adjustWidthTo=measureChar(cm,display.maxLine,display.maxLine.text.length).left+3;cm.display.sizerWidth=op.adjustWidthTo;op.barMeasure.scrollWidth=Math.max(display.scroller.clientWidth,display.sizer.offsetLeft+op.adjustWidthTo+scrollGap(cm)+cm.display.barWidth);op.maxScrollLeft=Math.max(0,display.sizer.offsetLeft+op.adjustWidthTo-displayWidth(cm))}if(op.updatedDisplay||op.selectionChanged){op.preparedSelection=display.input.prepareSelection()}}function endOperation_W2(op){var cm=op.cm;if(op.adjustWidthTo!=null){cm.display.sizer.style.minWidth=op.adjustWidthTo+"px";if(op.maxScrollLeft<cm.doc.scrollLeft){setScrollLeft(cm,Math.min(cm.display.scroller.scrollLeft,op.maxScrollLeft),true)}cm.display.maxLineChanged=false}if(op.preparedSelection){cm.display.input.showSelection(op.preparedSelection)}if(op.updatedDisplay){setDocumentHeight(cm,op.barMeasure)}if(op.updatedDisplay||op.startHeight!=cm.doc.height){updateScrollbars(cm,op.barMeasure)}if(op.selectionChanged){restartBlink(cm)}if(cm.state.focused&&op.updateInput){cm.display.input.reset(op.typing)}}function endOperation_finish(op){var cm=op.cm,display=cm.display,doc=cm.doc;if(op.updatedDisplay){postUpdateDisplay(cm,op.update)}if(display.wheelStartX!=null&&(op.scrollTop!=null||op.scrollLeft!=null||op.scrollToPos)){display.wheelStartX=display.wheelStartY=null}if(op.scrollTop!=null&&(display.scroller.scrollTop!=op.scrollTop||op.forceScroll)){doc.scrollTop=Math.max(0,Math.min(display.scroller.scrollHeight-display.scroller.clientHeight,op.scrollTop));display.scrollbars.setScrollTop(doc.scrollTop);display.scroller.scrollTop=doc.scrollTop}if(op.scrollLeft!=null&&(display.scroller.scrollLeft!=op.scrollLeft||op.forceScroll)){doc.scrollLeft=Math.max(0,Math.min(display.scroller.scrollWidth-displayWidth(cm),op.scrollLeft));display.scrollbars.setScrollLeft(doc.scrollLeft);display.scroller.scrollLeft=doc.scrollLeft;alignHorizontally(cm)}if(op.scrollToPos){var coords=scrollPosIntoView(cm,clipPos(doc,op.scrollToPos.from),clipPos(doc,op.scrollToPos.to),op.scrollToPos.margin);if(op.scrollToPos.isCursor&&cm.state.focused){maybeScrollWindow(cm,coords)}}var hidden=op.maybeHiddenMarkers,unhidden=op.maybeUnhiddenMarkers;if(hidden){for(var i=0;i<hidden.length;++i){if(!hidden[i].lines.length){signal(hidden[i],"hide")}}}if(unhidden){for(var i=0;i<unhidden.length;++i){if(unhidden[i].lines.length){signal(unhidden[i],"unhide")}}}if(display.wrapper.offsetHeight){doc.scrollTop=cm.display.scroller.scrollTop}if(op.changeObjs){signal(cm,"changes",cm,op.changeObjs)}if(op.update){op.update.finish()}}function runInOp(cm,f){if(cm.curOp){return f()}startOperation(cm);try{return f()}finally{endOperation(cm)}}function operation(cm,f){return function(){if(cm.curOp){return f.apply(cm,arguments)}startOperation(cm);try{return f.apply(cm,arguments)}finally{endOperation(cm)}}}function methodOp(f){return function(){if(this.curOp){return f.apply(this,arguments)}startOperation(this);try{return f.apply(this,arguments)}finally{endOperation(this)}}}function docMethodOp(f){return function(){var cm=this.cm;if(!cm||cm.curOp){return f.apply(this,arguments)}startOperation(cm);try{return f.apply(this,arguments)}finally{endOperation(cm)}}}function LineView(doc,line,lineN){this.line=line;this.rest=visualLineContinued(line);this.size=this.rest?lineNo(lst(this.rest))-lineN+1:1;this.node=this.text=null;this.hidden=lineIsHidden(doc,line)}function buildViewArray(cm,from,to){var array=[],nextPos;
for(var pos=from;pos<to;pos=nextPos){var view=new LineView(cm.doc,getLine(cm.doc,pos),pos);nextPos=pos+view.size;array.push(view)}return array}function regChange(cm,from,to,lendiff){if(from==null){from=cm.doc.first}if(to==null){to=cm.doc.first+cm.doc.size}if(!lendiff){lendiff=0}var display=cm.display;if(lendiff&&to<display.viewTo&&(display.updateLineNumbers==null||display.updateLineNumbers>from)){display.updateLineNumbers=from}cm.curOp.viewChanged=true;if(from>=display.viewTo){if(sawCollapsedSpans&&visualLineNo(cm.doc,from)<display.viewTo){resetView(cm)}}else{if(to<=display.viewFrom){if(sawCollapsedSpans&&visualLineEndNo(cm.doc,to+lendiff)>display.viewFrom){resetView(cm)}else{display.viewFrom+=lendiff;display.viewTo+=lendiff}}else{if(from<=display.viewFrom&&to>=display.viewTo){resetView(cm)}else{if(from<=display.viewFrom){var cut=viewCuttingPoint(cm,to,to+lendiff,1);if(cut){display.view=display.view.slice(cut.index);display.viewFrom=cut.lineN;display.viewTo+=lendiff}else{resetView(cm)}}else{if(to>=display.viewTo){var cut=viewCuttingPoint(cm,from,from,-1);if(cut){display.view=display.view.slice(0,cut.index);display.viewTo=cut.lineN}else{resetView(cm)}}else{var cutTop=viewCuttingPoint(cm,from,from,-1);var cutBot=viewCuttingPoint(cm,to,to+lendiff,1);if(cutTop&&cutBot){display.view=display.view.slice(0,cutTop.index).concat(buildViewArray(cm,cutTop.lineN,cutBot.lineN)).concat(display.view.slice(cutBot.index));display.viewTo+=lendiff}else{resetView(cm)}}}}}}var ext=display.externalMeasured;if(ext){if(to<ext.lineN){ext.lineN+=lendiff}else{if(from<ext.lineN+ext.size){display.externalMeasured=null}}}}function regLineChange(cm,line,type){cm.curOp.viewChanged=true;var display=cm.display,ext=cm.display.externalMeasured;if(ext&&line>=ext.lineN&&line<ext.lineN+ext.size){display.externalMeasured=null}if(line<display.viewFrom||line>=display.viewTo){return}var lineView=display.view[findViewIndex(cm,line)];if(lineView.node==null){return}var arr=lineView.changes||(lineView.changes=[]);if(indexOf(arr,type)==-1){arr.push(type)}}function resetView(cm){cm.display.viewFrom=cm.display.viewTo=cm.doc.first;cm.display.view=[];cm.display.viewOffset=0}function findViewIndex(cm,n){if(n>=cm.display.viewTo){return null}n-=cm.display.viewFrom;if(n<0){return null}var view=cm.display.view;for(var i=0;i<view.length;i++){n-=view[i].size;if(n<0){return i}}}function viewCuttingPoint(cm,oldN,newN,dir){var index=findViewIndex(cm,oldN),diff,view=cm.display.view;if(!sawCollapsedSpans||newN==cm.doc.first+cm.doc.size){return{index:index,lineN:newN}}for(var i=0,n=cm.display.viewFrom;i<index;i++){n+=view[i].size}if(n!=oldN){if(dir>0){if(index==view.length-1){return null}diff=(n+view[index].size)-oldN;index++}else{diff=n-oldN}oldN+=diff;newN+=diff}while(visualLineNo(cm.doc,newN)!=newN){if(index==(dir<0?0:view.length-1)){return null}newN+=dir*view[index-(dir<0?1:0)].size;index+=dir}return{index:index,lineN:newN}}function adjustView(cm,from,to){var display=cm.display,view=display.view;if(view.length==0||from>=display.viewTo||to<=display.viewFrom){display.view=buildViewArray(cm,from,to);display.viewFrom=from}else{if(display.viewFrom>from){display.view=buildViewArray(cm,from,display.viewFrom).concat(display.view)}else{if(display.viewFrom<from){display.view=display.view.slice(findViewIndex(cm,from))}}display.viewFrom=from;if(display.viewTo<to){display.view=display.view.concat(buildViewArray(cm,display.viewTo,to))}else{if(display.viewTo>to){display.view=display.view.slice(0,findViewIndex(cm,to))}}}display.viewTo=to}function countDirtyView(cm){var view=cm.display.view,dirty=0;for(var i=0;i<view.length;i++){var lineView=view[i];if(!lineView.hidden&&(!lineView.node||lineView.changes)){++dirty}}return dirty}function registerEventHandlers(cm){var d=cm.display;on(d.scroller,"mousedown",operation(cm,onMouseDown));if(ie&&ie_version<11){on(d.scroller,"dblclick",operation(cm,function(e){if(signalDOMEvent(cm,e)){return}var pos=posFromMouse(cm,e);if(!pos||clickInGutter(cm,e)||eventInWidget(cm.display,e)){return}e_preventDefault(e);var word=cm.findWordAt(pos);extendSelection(cm.doc,word.anchor,word.head)}))}else{on(d.scroller,"dblclick",function(e){signalDOMEvent(cm,e)||e_preventDefault(e)})}if(!captureRightClick){on(d.scroller,"contextmenu",function(e){onContextMenu(cm,e)})}var touchFinished,prevTouch={end:0};function finishTouch(){if(d.activeTouch){touchFinished=setTimeout(function(){d.activeTouch=null},1000);prevTouch=d.activeTouch;prevTouch.end=+new Date}}function isMouseLikeTouchEvent(e){if(e.touches.length!=1){return false}var touch=e.touches[0];return touch.radiusX<=1&&touch.radiusY<=1}function farAway(touch,other){if(other.left==null){return true}var dx=other.left-touch.left,dy=other.top-touch.top;return dx*dx+dy*dy>20*20}on(d.scroller,"touchstart",function(e){if(!isMouseLikeTouchEvent(e)){clearTimeout(touchFinished);var now=+new Date;d.activeTouch={start:now,moved:false,prev:now-prevTouch.end<=300?prevTouch:null};if(e.touches.length==1){d.activeTouch.left=e.touches[0].pageX;
d.activeTouch.top=e.touches[0].pageY}}});on(d.scroller,"touchmove",function(){if(d.activeTouch){d.activeTouch.moved=true}});on(d.scroller,"touchend",function(e){var touch=d.activeTouch;if(touch&&!eventInWidget(d,e)&&touch.left!=null&&!touch.moved&&new Date-touch.start<300){var pos=cm.coordsChar(d.activeTouch,"page"),range;if(!touch.prev||farAway(touch,touch.prev)){range=new Range(pos,pos)}else{if(!touch.prev.prev||farAway(touch,touch.prev.prev)){range=cm.findWordAt(pos)}else{range=new Range(Pos(pos.line,0),clipPos(cm.doc,Pos(pos.line+1,0)))}}cm.setSelection(range.anchor,range.head);cm.focus();e_preventDefault(e)}finishTouch()});on(d.scroller,"touchcancel",finishTouch);on(d.scroller,"scroll",function(){if(d.scroller.clientHeight){setScrollTop(cm,d.scroller.scrollTop);setScrollLeft(cm,d.scroller.scrollLeft,true);signal(cm,"scroll",cm)}});on(d.scroller,"mousewheel",function(e){onScrollWheel(cm,e)});on(d.scroller,"DOMMouseScroll",function(e){onScrollWheel(cm,e)});on(d.wrapper,"scroll",function(){d.wrapper.scrollTop=d.wrapper.scrollLeft=0});function drag_(e){if(!signalDOMEvent(cm,e)){e_stop(e)}}if(cm.options.dragDrop){on(d.scroller,"dragstart",function(e){onDragStart(cm,e)});on(d.scroller,"dragenter",drag_);on(d.scroller,"dragover",drag_);on(d.scroller,"drop",operation(cm,onDrop))}var inp=d.input.getField();on(inp,"keyup",function(e){onKeyUp.call(cm,e)});on(inp,"keydown",operation(cm,onKeyDown));on(inp,"keypress",operation(cm,onKeyPress));on(inp,"focus",bind(onFocus,cm));on(inp,"blur",bind(onBlur,cm))}function onResize(cm){var d=cm.display;if(d.lastWrapHeight==d.wrapper.clientHeight&&d.lastWrapWidth==d.wrapper.clientWidth){return}d.cachedCharWidth=d.cachedTextHeight=d.cachedPaddingH=null;d.scrollbarsClipped=false;cm.setSize()}function eventInWidget(display,e){for(var n=e_target(e);n!=display.wrapper;n=n.parentNode){if(!n||(n.nodeType==1&&n.getAttribute("cm-ignore-events")=="true")||(n.parentNode==display.sizer&&n!=display.mover)){return true}}}function posFromMouse(cm,e,liberal,forRect){var display=cm.display;if(!liberal&&e_target(e).getAttribute("cm-not-content")=="true"){return null}var x,y,space=display.lineSpace.getBoundingClientRect();try{x=e.clientX-space.left;y=e.clientY-space.top}catch(e){return null}var coords=coordsChar(cm,x,y),line;if(forRect&&coords.xRel==1&&(line=getLine(cm.doc,coords.line).text).length==coords.ch){var colDiff=countColumn(line,line.length,cm.options.tabSize)-line.length;coords=Pos(coords.line,Math.max(0,Math.round((x-paddingH(cm.display).left)/charWidth(cm.display))-colDiff))}return coords}function onMouseDown(e){var cm=this,display=cm.display;if(display.activeTouch&&display.input.supportsTouch()||signalDOMEvent(cm,e)){return}display.shift=e.shiftKey;if(eventInWidget(display,e)){if(!webkit){display.scroller.draggable=false;setTimeout(function(){display.scroller.draggable=true},100)}return}if(clickInGutter(cm,e)){return}var start=posFromMouse(cm,e);window.focus();switch(e_button(e)){case 1:if(start){leftButtonDown(cm,e,start)}else{if(e_target(e)==display.scroller){e_preventDefault(e)}}break;case 2:if(webkit){cm.state.lastMiddleDown=+new Date}if(start){extendSelection(cm.doc,start)}setTimeout(function(){display.input.focus()},20);e_preventDefault(e);break;case 3:if(captureRightClick){onContextMenu(cm,e)}break}}var lastClick,lastDoubleClick;function leftButtonDown(cm,e,start){if(ie){setTimeout(bind(ensureFocus,cm),0)}else{ensureFocus(cm)}var now=+new Date,type;if(lastDoubleClick&&lastDoubleClick.time>now-400&&cmp(lastDoubleClick.pos,start)==0){type="triple"}else{if(lastClick&&lastClick.time>now-400&&cmp(lastClick.pos,start)==0){type="double";lastDoubleClick={time:now,pos:start}}else{type="single";lastClick={time:now,pos:start}}}var sel=cm.doc.sel,modifier=mac?e.metaKey:e.ctrlKey,contained;if(cm.options.dragDrop&&dragAndDrop&&!isReadOnly(cm)&&type=="single"&&(contained=sel.contains(start))>-1&&!sel.ranges[contained].empty()){leftButtonStartDrag(cm,e,start,modifier)}else{leftButtonSelect(cm,e,start,type,modifier)}}function leftButtonStartDrag(cm,e,start,modifier){var display=cm.display;var dragEnd=operation(cm,function(e2){if(webkit){display.scroller.draggable=false}cm.state.draggingText=false;off(document,"mouseup",dragEnd);off(display.scroller,"drop",dragEnd);if(Math.abs(e.clientX-e2.clientX)+Math.abs(e.clientY-e2.clientY)<10){e_preventDefault(e2);if(!modifier){extendSelection(cm.doc,start)}display.input.focus();if(ie&&ie_version==9){setTimeout(function(){document.body.focus();display.input.focus()},20)}}});if(webkit){display.scroller.draggable=true}cm.state.draggingText=dragEnd;if(display.scroller.dragDrop){display.scroller.dragDrop()}on(document,"mouseup",dragEnd);on(display.scroller,"drop",dragEnd)}function leftButtonSelect(cm,e,start,type,addNew){var display=cm.display,doc=cm.doc;e_preventDefault(e);var ourRange,ourIndex,startSel=doc.sel,ranges=startSel.ranges;if(addNew&&!e.shiftKey){ourIndex=doc.sel.contains(start);if(ourIndex>-1){ourRange=ranges[ourIndex]}else{ourRange=new Range(start,start)
}}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);