jQuery UI焦点窃取 [英] jQuery UI Focus Stealing

问题描述

每当我在下面的插入超链接"文本输入中键入内容时，所有单词都将转到其后的textarea. 确定"和取消"按钮可以正常工作，但我无法专注于文本输入.

Whenever I type something in the following Insert Hyperlink text input, all the words are going to textarea behind it. OK and Cancel buttons are working fine but I cannot focus to text input.

我们正在使用jQuery UI 1.10.1.它与1.8.x的早期版本的jQuery配合良好.

We'are using jQuery UI 1.10.1. It was working nicely with previous version of jQuery which was 1.8.x.

我已经检查了jQuery的代码，并在打开模态对话框"时调用了以下方法:

I've checked code behind of jQuery and it has the following methods called when opening a Modal Dialog:

_focusTabbable: function () {
    // Set focus to the first match:
    // 1. First element inside the dialog matching [autofocus]
    // 2. Tabbable element inside the content element
    // 3. Tabbable element inside the buttonpane
    // 4. The close button
    // 5. The dialog itself
    var hasFocus = this.element.find("[autofocus]");
    if (!hasFocus.length) {
        hasFocus = this.element.find(":tabbable");
    }
    if (!hasFocus.length) {
        hasFocus = this.uiDialogButtonPane.find(":tabbable");
    }
    if (!hasFocus.length) {
        hasFocus = this.uiDialogTitlebarClose.filter(":tabbable");
    }
    if (!hasFocus.length) {
        hasFocus = this.uiDialog;
    }
    hasFocus.eq(0).focus();
},

_keepFocus: function (event) {
    function checkFocus() {
        var activeElement = this.document[0].activeElement,
            isActive = this.uiDialog[0] === activeElement ||
                $.contains(this.uiDialog[0], activeElement);
        if (!isActive) {
            this._focusTabbable();
        }
    }
    event.preventDefault();
    checkFocus.call(this);
    // support: IE
    // IE <= 8 doesn't prevent moving focus even with event.preventDefault()
    // so we check again later
    this._delay(checkFocus);
},

从此处获取的

: http://code.jquery. com/ui/1.10.1/jquery-ui.js

推荐答案

第二个答案是，在以下代码中，jQuery将文档绑定到对话框.因此，当我单击所需按钮的onclick事件(或您要处理的任何事件)时解除绑定时:

Second answer I've found is that in the following code jQuery binds document to dialog. So when I unbind this when I click on the desired button's onclick event (or whatever event you're handling):

 if (window.jQuery && window.jQuery.ui.dialog) {
   $(document).unbind("focusin.dialog");
 }

这是jQuery UI将_focusTabble()方法绑定到文档的focusin.dialog事件的地方.

This is where jQuery UI binds it _focusTabble() method to focusin.dialog event of document.

if ( !$.ui.dialog.overlayInstances ) {
            // Prevent use of anchors and inputs.
            // We use a delay in case the overlay is created from an
            // event that we're going to be cancelling. (#2804)
            this._delay(function() {
                // Handle .dialog().dialog("close") (#4065)
                if ( $.ui.dialog.overlayInstances ) {
                    this.document.bind( "focusin.dialog", function( event ) {
                        if ( !$( event.target ).closest(".ui-dialog").length &&
                                // TODO: Remove hack when datepicker implements
                                // the .ui-front logic (#8989)
                                !$( event.target ).closest(".ui-datepicker").length ) {
                            event.preventDefault();
                            $(".ui-dialog:visible:last .ui-dialog-content")
                                .data("ui-dialog")._focusTabbable();
                        }
                    });
                }
            });
        }

这篇关于jQuery UI焦点窃取的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！