server/src/com/vaadin/ui/Select.java


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/*
 * Copyright 2000-2014 Vaadin Ltd.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.vaadin.ui;

import java.util.Collection;

import com.vaadin.data.Container;

/**
 * <p>
 * A class representing a selection of items the user has selected in a UI. The
 * set of choices is presented as a set of {@link com.vaadin.data.Item}s in a
 * {@link com.vaadin.data.Container}.
 * </p>
 * 
 * <p>
 * A <code>Select</code> component may be in single- or multiselect mode.
 * Multiselect mode means that more than one item can be selected
 * simultaneously.
 * </p>
 * 
 * @author Vaadin Ltd.
 * @since 3.0
 * @deprecated As of 7.0. Use {@link ComboBox} instead.
 */
@Deprecated
public class Select extends ComboBox {
    /* Component methods */

    public Select() {
        super();
    }

    public Select(String caption, Collection<?> options) {
        super(caption, options);
    }

    public Select(String caption, Container dataSource) {
        super(caption, dataSource);
    }

    public Select(String caption) {
        super(caption);
    }

}

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/**
 * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

import $ from 'jquery'

/**
 * Parses a URL query string into a JS map
 *
 * @param {string} queryString query string in the format param1=1234&param2=abcde&param3=xyz
 * @return {Record<string, string>} map containing key/values matching the URL parameters
 */
export const parse = queryString => {
	let pos
	let components
	const result = {}
	let key
	if (!queryString) {
		return null
	}
	pos = queryString.indexOf('?')
	if (pos >= 0) {
		queryString = queryString.substr(pos + 1)
	}
	const parts = queryString.replace(/\+/g, '%20').split('&')
	for (let i = 0; i < parts.length; i++) {
		// split on first equal sign
		const part = parts[i]
		pos = part.indexOf('=')
		if (pos >= 0) {
			components = [
				part.substr(0, pos),
				part.substr(pos + 1),
			]
		} else {
			// key only
			components = [part]
		}
		if (!components.length) {
			continue
		}
		key = decodeURIComponent(components[0])
		if (!key) {
			continue
		}
		// if equal sign was there, return string
		if (components.length > 1) {
			result[key] = decodeURIComponent(components[1])
		} else {
			// no equal sign => null value
			result[key] = null
		}
	}
	return result
}

/**
 * Builds a URL query from a JS map.
 *
 * @param {Record<string, string>} params map containing key/values matching the URL parameters
 * @return {string} String containing a URL query (without question) mark
 */
export const build = params => {
	if (!params) {
		return ''
	}
	return $.map(params, function(value, key) {
		let s = encodeURIComponent(key)
		if (value !== null && typeof (value) !== 'undefined') {
			s += '=' + encodeURIComponent(value)
		}
		return s
	}).join('&')
}