将自定义方法添加到jQuery UI对话框 [英] add custom method to jquery ui dialog

问题描述

我该如何做:

$("#some_div").dialog("doSomething");

该方法应该做的是在标题栏中添加一个额外的图标

And what that method should do is to add an extra icon in the titlebar

编辑1 :我已经尝试过此解决方案:该方法被调用，但我无法访问对话框对象(也许我做错了什么)

EDIT 1: I've tried this solution: the method gets called but I can't access the dialog object (maybe I'm doing something wrong)

推荐答案

好的，这就是我所做的:

Ok, this is what I did:

//in a separate js file
$.ui.dialog.prototype.showExtraButton = function()
{
    this.uiDialogTitlebar.append("<a role='button' class='ui-dialog-titlebar-icon ui-dialog-titlebar-icon-extra'><span class='ui-icon'></span></a>");
}

//call it this way
$("#some_div").dialog("showExtraButton");

//css
.ui-dialog-titlebar-icon {
  position: absolute;
  right: 25px;
}

.ui-dialog-titlebar-icon-extra span
{
    display: block;
    background-image: url(../path_to_img/button_extra.png)!important;
}

兰登(Langdon)的解决方案，以及

This solution by Langdon, along with this one by Kevin B gave me the answer on how to resolve my problem

更新2014年1月3日

TIL，所以这是同一件事的另一种实现方式

TIL about $.widget(), so here is another implementation of the same thing

$.widget("ui.dialog", $.ui.dialog,
{
    showExtraButton: function()
    {
        this.uiDialogTitlebar.append("<a role='button' class='ui-dialog-titlebar-icon ui-dialog-titlebar-icon-extra'><span class='ui-icon'></span></a>");
    }
});

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