move inputs/models from workbench browser => common

src/vs/workbench/common/editor/diffEditorModel.ts

@@ -0,0 +1,54 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+
+import {TPromise} from 'vs/base/common/winjs.base';
+import {EditorModel} from 'vs/workbench/common/editor';
+
+/**
+ * The base editor model for the diff editor. It is made up of two editor models, the original version
+ * and the modified version.
+ */
+export class DiffEditorModel extends EditorModel {
+	private _originalModel: EditorModel;
+	private _modifiedModel: EditorModel;
+
+	constructor(originalModel: EditorModel, modifiedModel: EditorModel) {
+		super();
+
+		this._originalModel = originalModel;
+		this._modifiedModel = modifiedModel;
+	}
+
+	public get originalModel(): EditorModel {
+		return this._originalModel;
+	}
+
+	public get modifiedModel(): EditorModel {
+		return this._modifiedModel;
+	}
+
+	public load(): TPromise<EditorModel> {
+		return TPromise.join<EditorModel>([
+			this._originalModel.load(),
+			this._modifiedModel.load()
+		]).then(() => {
+			return this;
+		});
+	}
+
+	public isResolved(): boolean {
+		return this._originalModel.isResolved() && this._modifiedModel.isResolved();
+	}
+
+	public dispose(): void {
+
+		// Do not propagate the dispose() call to the two models inside. We never created the two models
+		// (original and modified) so we can not dispose them without sideeffects. Rather rely on the
+		// models getting disposed when their related inputs get disposed from the diffEditorInput.
+
+		super.dispose();
+	}
+}