text: import*as TextEditor from'../text_editor/text_editor.js';import*as UI from'../ui/ui.js';import{Row,RowType}from'./ChangesView.js';export class ChangesTextEditor extends TextEditor.CodeMirrorTextEditor.CodeMirrorTextEditor{constructor(options){options.inputStyle='devToolsAccessibleDiffTextArea';super(options);this.codeMirror().setOption('gutters',['CodeMirror-linenumbers','changes-diff-gutter']);this.codeMirror().setOption('extraKeys',{Enter:false,Space:false,Left:function(cm){const scrollInfo=cm.getScrollInfo();if(scrollInfo.left>0){cm.scrollTo(scrollInfo.left-Math.round(scrollInfo.clientWidth/6),null);}},Right:function(cm){const scrollInfo=cm.getScrollInfo();cm.scrollTo(scrollInfo.left+Math.round(scrollInfo.clientWidth/6),null);}});}
  updateDiffGutter(diffRows){this.codeMirror().eachLine(line=>{const lineNumber=this.codeMirror().getLineNumber(line);const row=diffRows[lineNumber];let gutterMarker;if(row.type===RowType.Deletion){gutterMarker=createElementWithClass('div','deletion changes-diff-gutter-marker');gutterMarker.textContent='-';}else if(row.type===RowType.Addition){gutterMarker=createElementWithClass('div','addition changes-diff-gutter-marker');gutterMarker.textContent='+';}
  if(gutterMarker){this.codeMirror().setGutterMarker(line,'changes-diff-gutter',gutterMarker);}});}}
  export class DevToolsAccessibleDiffTextArea extends CodeMirror.inputStyles.devToolsAccessibleTextArea{reset(typing){super.reset(typing);if(this.textAreaBusy(!!typing)||!(typeof this.cm.doc.modeOption==='object')){return;}
  const diffRows=this.cm.doc.modeOption.diffRows;const lineNumber=this.cm.getCursor().line;const rowType=diffRows[lineNumber].type;if(rowType===RowType.Deletion){this.textarea.value=ls`Deletion:${this.textarea.value}`;}
  if(rowType===RowType.Addition){this.textarea.value=ls`Addition:${this.textarea.value}`;}
  this.prevInput=this.textarea.value;}}
  CodeMirror.inputStyles.devToolsAccessibleDiffTextArea=DevToolsAccessibleDiffTextArea;