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jamaleo

overide window.alert

in Using jQuery UI • 6 months ago

Hi everyone,

I've overridden de default javascript alert() using modal dialog from Jquery UI plugin.

But I'm not able to show it in a page which contains frames. If the alert is called in a frame the dialog will be shown here, not in the parent window as the default alert.

Does anybody has a ideea on how to do this.

Thanks

Replies(5)

jakecigar

Re: overide window.alert

6 months ago

parent.alert should alert for the parent window.

http://www.javascripter.net/faq/alert.htm

JΛ̊KE

jamaleo

Re: overide window.alert

6 months ago

Hi Jake,

thanks for the reply, but it seems that the the alert shown is the default one, even if I've overridden the alert also in the parent frame, see below:

window.alert = function(message){
$(document.createElement('div'))
.attr({title: 'Alert!'})
.html('<div><img src="warning.gif" alt="Warning" name="img_ico" id="img_ico" /> <span id="txt_alert"></span> <span id="txt_msg">'+message+'</span></div><BR/><div><span class="button"><a href="#">OK ></a></span></div>')
.dialog(alertDefaults).height(100); };

Am I missing something?

Thanks.

jakecigar

Re: overide window.alert

6 months ago

You can not completely replace alert unless you use confirm or alert. Dialogs while very cool, do not block all processing like an alert does,

Aside from that, the code looks like it should do a dialog. What browser does it fail with?

If you assign window.barf instead of window.alert does it work any better?

JΛ̊KE

jamaleo

Re: overide window.alert

6 months ago

But if the dialog is a modal one, then it blocks the page, right?

I've tried it in Chrome and IE, and it's the same.

If I'm using this code in a single .jsp page (in a frame), then the alert is shown as custom dialog with the specified styles. But if i'm using it in a frameset, it is shown the default one.

I've tried with window.barf, but I've got the same result. :-(

jakecigar

Re: overide window.alert

6 months ago

A modal dialog from jQuery UI blocks the user from doing most things. It does not block the script from running like alert does.

If it is inside an iframe, it references the main page’s window.alert as parent.alert

JΛ̊KE

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