flutter ios webviewカスタム長押しメニュー
1639 ワード
Webviewカスタム長押しメニュー、選択を保持し、削除機能を貼り付けます.
EnableCustomMenuを初期化位置に追加します.
EnableCustomMenuを初期化位置に追加します.
func enableCustomMenu() {
let lookup = UIMenuItem(title: " ", action: #selector(customShare))
UIMenuController.shared.menuItems = [lookup]
UIMenuController.shared.update()
}
public override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
if #available(iOS 10, *) {
if action == #selector(UIResponderStandardEditActions.select(_:))
|| action == #selector(UIResponderStandardEditActions.cut(_:))
|| action == #selector(UIResponderStandardEditActions.paste(_:))
|| action == #selector(UIResponderStandardEditActions.delete(_:))
|| (action == #selector(customShare))
{
return super.canPerformAction(action, withSender:sender)
}
} else {
if action == #selector(select(_:))
|| action == #selector(cut(_:))
|| action == #selector(paste(_:))
|| action == #selector(delete(_:))
|| (action == #selector(customShare))
{
return super.canPerformAction(action, withSender:sender)
}
}
return false
}
@objc func customShare() {
self.evaluateJavaScript("window.getSelection().toString();") { (result, error)
in
if error == nil {
let url = self.currentURL?.absoluteString
let arguments: [String: Any] = ["url": url, "text": result as Any]
self.channel?.invokeMethod("onSelectText", arguments: arguments)
}
}
}