styler.ts

/*---------------------------------------------------------------------------------------------
 *  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 { ITheme, IThemeService } from 'vs/platform/theme/common/themeService';
import { inputBackground, inputForeground, ColorIdentifier, selectForeground, selectBackground, selectBorder, inputBorder, foreground, editorBackground, highContrastBorder } from 'vs/platform/theme/common/colorRegistry';
import { IDisposable } from "vs/base/common/lifecycle";

export interface IThemable {
	style(colors: { [name: string]: ColorIdentifier }): void;
}

export function attachStyler(themeService: IThemeService, widget: IThemable, optionsMapping: { [optionsKey: string]: ColorIdentifier }): IDisposable {
	function applyStyles(theme: ITheme): void {
		const styles = Object.create(null);
		for (let key in optionsMapping) {
			styles[key] = theme.getColor(optionsMapping[key]);
		}

		widget.style(styles);
	}

	applyStyles(themeService.getTheme());

	return themeService.onThemeChange(applyStyles);
}

export function attachInputBoxStyler(widget: IThemable, themeService: IThemeService, style?: { inputBackground?: ColorIdentifier, inputForeground?: ColorIdentifier, inputBorder?: ColorIdentifier }): IDisposable {
	return attachStyler(themeService, widget, {
		inputBackground: (style && style.inputBackground) || inputBackground,
		inputForeground: (style && style.inputForeground) || inputForeground,
		inputBorder: (style && style.inputBorder) || inputBorder
	});
}

export function attachSelectBoxStyler(widget: IThemable, themeService: IThemeService, style?: { selectBackground?: ColorIdentifier, selectForeground?: ColorIdentifier, selectBorder?: ColorIdentifier }): IDisposable {
	return attachStyler(themeService, widget, {
		selectBackground: (style && style.selectBackground) || selectBackground,
		selectForeground: (style && style.selectForeground) || selectForeground,
		selectBorder: (style && style.selectBorder) || selectBorder
	});
}

export function attachQuickOpenStyler(widget: IThemable, themeService: IThemeService, style?: { foreground?: ColorIdentifier, background?: ColorIdentifier, borderColor?: ColorIdentifier, inputBackground?: ColorIdentifier, inputForeground?: ColorIdentifier, inputBorder?: ColorIdentifier }): IDisposable {
	return attachStyler(themeService, widget, {
		foreground: (style && style.foreground) || foreground,
		background: (style && style.background) || editorBackground,
		borderColor: style && style.borderColor || highContrastBorder,
		inputBackground: (style && style.inputBackground) || inputBackground,
		inputForeground: (style && style.inputForeground) || inputForeground,
		inputBorder: (style && style.inputBorder) || inputBorder
	});
}