Add IModelContentChangedEvent2.isFlush

src/vs/editor/common/editorCommon.ts

@@ -2476,6 +2476,11 @@ export interface IModelContentChangedEvent2 {
 	 * Flag that indicates that this event was generated while redoing.
 	 */
 	readonly isRedoing: boolean;
+	/**
+	 * Flag that indicates that all decorations were lost with this edit.
+	 * The model has been reset to a new value.
+	 */
+	readonly isFlush: boolean;
 }
 /**
  * An event describing a change in the text of a model.

src/vs/editor/common/model/editableTextModel.ts

@@ -659,7 +659,8 @@ export class EditableTextModel extends TextModelWithDecorations implements edito
 				eol: this._EOL,
 				versionId: -1,
 				isUndoing: this._isUndoing,
-				isRedoing: this._isRedoing
+				isRedoing: this._isRedoing,
+				isFlush: false
 			});
 
 			// console.log('AFTER:');

src/vs/editor/common/model/textModel.ts

@@ -298,7 +298,7 @@ export class TextModel extends OrderGuaranteeEventEmitter implements editorCommo
 		super.dispose();
 	}
 
-	protected _createContentChangedFlushEvent(): editorCommon.IModelContentChangedFlushEvent {
+	private _createContentChangedFlushEvent(): editorCommon.IModelContentChangedFlushEvent {
 		return {
 			changeType: editorCommon.EventType.ModelRawContentChangedFlush,
 			versionId: this._versionId,
@@ -308,15 +308,16 @@ export class TextModel extends OrderGuaranteeEventEmitter implements editorCommo
 		};
 	}
 
-	protected _emitContentChanged2(startLineNumber: number, startColumn: number, endLineNumber: number, endColumn: number, rangeLength: number, text: string, isUndoing: boolean, isRedoing: boolean): void {
-		var e: editorCommon.IModelContentChangedEvent2 = {
+	protected _emitContentChanged2(startLineNumber: number, startColumn: number, endLineNumber: number, endColumn: number, rangeLength: number, text: string, isUndoing: boolean, isRedoing: boolean, isFlush: boolean): void {
+		const e: editorCommon.IModelContentChangedEvent2 = {
 			range: new Range(startLineNumber, startColumn, endLineNumber, endColumn),
 			rangeLength: rangeLength,
 			text: text,
 			eol: this._EOL,
 			versionId: this.getVersionId(),
 			isUndoing: isUndoing,
-			isRedoing: isRedoing
+			isRedoing: isRedoing,
+			isFlush: isFlush
 		};
 		if (!this._isDisposing) {
 			this.emit(editorCommon.EventType.ModelContentChanged2, e);
@@ -372,7 +373,7 @@ export class TextModel extends OrderGuaranteeEventEmitter implements editorCommo
 
 		this._emitModelContentChangedFlushEvent(this._createContentChangedFlushEvent());
 
-		this._emitContentChanged2(1, 1, endLineNumber, endColumn, oldModelValueLength, this.getValue(), false, false);
+		this._emitContentChanged2(1, 1, endLineNumber, endColumn, oldModelValueLength, this.getValue(), false, false, true);
 	}
 
 	public getValue(eol?: editorCommon.EndOfLinePreference, preserveBOM: boolean = false): string {
@@ -595,16 +596,16 @@ export class TextModel extends OrderGuaranteeEventEmitter implements editorCommo
 
 	public setEOL(eol: editorCommon.EndOfLineSequence): void {
 		this._assertNotDisposed();
-		var newEOL = (eol === editorCommon.EndOfLineSequence.CRLF ? '\r\n' : '\n');
+		const newEOL = (eol === editorCommon.EndOfLineSequence.CRLF ? '\r\n' : '\n');
 		if (this._EOL === newEOL) {
 			// Nothing to do
 			return;
 		}
 
-		var oldFullModelRange = this.getFullModelRange();
-		var oldModelValueLength = this.getValueLengthInRange(oldFullModelRange);
-		var endLineNumber = this.getLineCount();
-		var endColumn = this.getLineMaxColumn(endLineNumber);
+		const oldFullModelRange = this.getFullModelRange();
+		const oldModelValueLength = this.getValueLengthInRange(oldFullModelRange);
+		const endLineNumber = this.getLineCount();
+		const endColumn = this.getLineMaxColumn(endLineNumber);
 
 		this._EOL = newEOL;
 		this._lineStarts = null;
@@ -612,7 +613,7 @@ export class TextModel extends OrderGuaranteeEventEmitter implements editorCommo
 
 		this._emitModelContentChangedFlushEvent(this._createContentChangedFlushEvent());
 
-		this._emitContentChanged2(1, 1, endLineNumber, endColumn, oldModelValueLength, this.getValue(), false, false);
+		this._emitContentChanged2(1, 1, endLineNumber, endColumn, oldModelValueLength, this.getValue(), false, false, false);
 	}
 
 	public getLineMinColumn(lineNumber: number): number {

src/vs/monaco.d.ts

@@ -2460,6 +2460,11 @@ declare module monaco.editor {
          * Flag that indicates that this event was generated while redoing.
          */
         readonly isRedoing: boolean;
+        /**
+         * Flag that indicates that all decorations were lost with this edit.
+         * The model has been reset to a new value.
+         */
+        readonly isFlush: boolean;
     }
 
     /**