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TypeScript LanguageConfigurationRegistry.getGoodIndentForLine方法代码示例

本文整理汇总了TypeScript中vs/editor/common/modes/languageConfigurationRegistry.LanguageConfigurationRegistry.getGoodIndentForLine方法的典型用法代码示例。如果您正苦于以下问题:TypeScript LanguageConfigurationRegistry.getGoodIndentForLine方法的具体用法?TypeScript LanguageConfigurationRegistry.getGoodIndentForLine怎么用?TypeScript LanguageConfigurationRegistry.getGoodIndentForLine使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在vs/editor/common/modes/languageConfigurationRegistry.LanguageConfigurationRegistry的用法示例。


在下文中一共展示了LanguageConfigurationRegistry.getGoodIndentForLine方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的TypeScript代码示例。

示例1: getEditOperations

	public getEditOperations(model: ITokenizedModel, builder: IEditOperationBuilder): void {

		var modelLineCount = model.getLineCount();

		if (this._isMovingDown && this._selection.endLineNumber === modelLineCount) {
			return;
		}
		if (!this._isMovingDown && this._selection.startLineNumber === 1) {
			return;
		}

		this._moveEndPositionDown = false;
		var s = this._selection;

		if (s.startLineNumber < s.endLineNumber && s.endColumn === 1) {
			this._moveEndPositionDown = true;
			s = s.setEndPosition(s.endLineNumber - 1, model.getLineMaxColumn(s.endLineNumber - 1));
		}

		let tabSize = model.getOptions().tabSize;
		let insertSpaces = model.getOptions().insertSpaces;
		let indentConverter = this.buildIndentConverter(tabSize);
		let virtualModel = {
			getLineTokens: (lineNumber: number) => {
				return model.getLineTokens(lineNumber);
			},
			getLanguageIdentifier: () => {
				return model.getLanguageIdentifier();
			},
			getLanguageIdAtPosition: (lineNumber: number, column: number) => {
				return model.getLanguageIdAtPosition(lineNumber, column);
			},
			getLineContent: null
		};

		if (s.startLineNumber === s.endLineNumber && model.getLineMaxColumn(s.startLineNumber) === 1) {
			// Current line is empty
			var lineNumber = s.startLineNumber;
			var otherLineNumber = (this._isMovingDown ? lineNumber + 1 : lineNumber - 1);

			if (model.getLineMaxColumn(otherLineNumber) === 1) {
				// Other line number is empty too, so no editing is needed
				// Add a no-op to force running by the model
				builder.addEditOperation(new Range(1, 1, 1, 1), null);
			} else {
				// Type content from other line number on line number
				builder.addEditOperation(new Range(lineNumber, 1, lineNumber, 1), model.getLineContent(otherLineNumber));

				// Remove content from other line number
				builder.addEditOperation(new Range(otherLineNumber, 1, otherLineNumber, model.getLineMaxColumn(otherLineNumber)), null);
			}
			// Track selection at the other line number
			s = new Selection(otherLineNumber, 1, otherLineNumber, 1);

		} else {

			var movingLineNumber: number,
				movingLineText: string;

			if (this._isMovingDown) {
				movingLineNumber = s.endLineNumber + 1;
				movingLineText = model.getLineContent(movingLineNumber);
				// Delete line that needs to be moved
				builder.addEditOperation(new Range(movingLineNumber - 1, model.getLineMaxColumn(movingLineNumber - 1), movingLineNumber, model.getLineMaxColumn(movingLineNumber)), null);

				let insertingText = movingLineText;

				if (this.shouldAutoIndent(model, s)) {
					let movingLineMatchResult = this.matchEnterRule(model, indentConverter, tabSize, movingLineNumber, s.startLineNumber - 1);
					// if s.startLineNumber - 1 matches onEnter rule, we still honor that.
					if (movingLineMatchResult !== null) {
						let oldIndentation = strings.getLeadingWhitespace(model.getLineContent(movingLineNumber));
						let newSpaceCnt = movingLineMatchResult + IndentUtil.getSpaceCnt(oldIndentation, tabSize);
						let newIndentation = IndentUtil.generateIndent(newSpaceCnt, tabSize, insertSpaces);
						insertingText = newIndentation + this.trimLeft(movingLineText);
					} else {
						// no enter rule matches, let's check indentatin rules then.
						virtualModel.getLineContent = (lineNumber: number) => {
							if (lineNumber === s.startLineNumber) {
								return model.getLineContent(movingLineNumber);
							} else {
								return model.getLineContent(lineNumber);
							}
						};
						let indentOfMovingLine = LanguageConfigurationRegistry.getGoodIndentForLine(virtualModel, model.getLanguageIdAtPosition(
							movingLineNumber, 1), s.startLineNumber, indentConverter);
						if (indentOfMovingLine !== null) {
							let oldIndentation = strings.getLeadingWhitespace(model.getLineContent(movingLineNumber));
							let newSpaceCnt = IndentUtil.getSpaceCnt(indentOfMovingLine, tabSize);
							let oldSpaceCnt = IndentUtil.getSpaceCnt(oldIndentation, tabSize);
							if (newSpaceCnt !== oldSpaceCnt) {
								let newIndentation = IndentUtil.generateIndent(newSpaceCnt, tabSize, insertSpaces);
								insertingText = newIndentation + this.trimLeft(movingLineText);
							}
						}
					}

					// add edit operations for moving line first to make sure it's executed after we make indentation change
					// to s.startLineNumber
					builder.addEditOperation(new Range(s.startLineNumber, 1, s.startLineNumber, 1), insertingText + '\n');
//.........这里部分代码省略.........
开发者ID:SeanKilleen,项目名称:vscode,代码行数:101,代码来源:moveLinesCommand.ts


注:本文中的vs/editor/common/modes/languageConfigurationRegistry.LanguageConfigurationRegistry.getGoodIndentForLine方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。