86 lines
2.4 KiB
Swift
86 lines
2.4 KiB
Swift
// The MIT License (MIT)
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// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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import UIKit
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extension UITableView {
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var isEmpty: Bool {
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return self.lastSectionWithRows == nil
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}
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func isEmpty(section: Int) -> Bool {
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return self.numberOfRows(inSection: section) == 0
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}
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var lastSection: Int {
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return self.numberOfSections - 1
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}
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var lastSectionWithRows: Int? {
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if self.numberOfSections == 0 {
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return nil
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}
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var section = self.numberOfSections - 1
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if section < 0 {
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return nil
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}
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while section >= 0 {
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if self.numberOfRows(inSection: section) != 0 {
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return section
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}
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section -= 1
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}
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return nil
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}
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var firstSectionWithRows: Int? {
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if self.numberOfSections == 0 {
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return nil
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}
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var section = 0
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if section > self.numberOfSections - 1 {
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return nil
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}
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while section <= (self.numberOfSections - 1) {
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if self.numberOfRows(inSection: section) != 0 {
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return section
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}
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section += 1
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}
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return nil
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}
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}
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