Web Design category archive

How to auto refresh a web page

January 12th, 2011 Web Design, Web Development

Surely all of us working on the design or doing web development came across a situation when you have to constantly refresh the page once you made changes to your CSS or wrote a bit of code.

Here’s a quick tip to get the page to auto refresh every given number of seconds. It’s particularly useful when working on 2 or more monitors.

Simply put that line of code inside the <head> tag

<meta http-equiv="refresh" content="3" />

“3″ is the number of seconds before the page refresh. Now save your page and refresh the browser. The page will auto refresh itself every 3 seconds.

Good luck.

Photoshop Tip: How to exit the text editing mode with a hotkey

October 14th, 2010 Photoshop, Web Design

Just a quick tip for those who don’t know it as it is very handy.

When you are in the text editing mode in Photoshop press Ctrl+Enter or numpad Enter to exit the editing mode.

Have fun.

Equal CSS columns with jQuery

July 3rd, 2010 jQuery, Web Design

Here’s a quick solution for equal CSS columns using jQuery.

$(function() {
    jQuery.fn.makeEqualHeight = function () {
       
        // Calculate the height of the tallest column
        var maxHeight = 0;
        this.each(function() {
            maxHeight = ($(this).height() > maxHeight)? $(this).height() : maxHeight;
        });
        return this.height(maxHeight); 
    }
 
    // Call the function that will make all columns of the class "column" equal
    $(".column").makeEqualHeight();
});

How to launch prettyPhoto from Flash

June 10th, 2010 Flash, jQuery, Web Design

Here’s a solution for those who wants to make prettyPhoto, Lightbox or pretty much any other similar jQuery script launch from the Flash movie. This can be useful for many reasons. For example you can keep your videos on youtube or vimeo and embed them in your site that’s made in Flash. That would be great, wouldn’t it?

I’m going to show you how to do it with prettyPhoto and once you understand the idea you can easily make this method work with Lightbox or any other similar script. In this example we will be launching prettyPhoto with embedded Vimeo video.

Since we can’t call prettyPhoto directly from Flash we will use some JavaScript trickery to make it work. The idea is to call a JavaScript function from the Flash movie that will initialize prettyPhoto with specific parameters.

First we make our Flash function. I assume you already have a Flash project open so let get to the code. Im my example I have a button instance on the stage with the name bButton. Open your actions panel and use this code:

ActionScript 2

import flash.external.*;

bButton.onPress = function () {
ExternalInterface.call("prettyLaunch","http://vimeo.com/4983930","my vimeo video");
}

ActionScript 3

import flash.external.*;

bButton.addEventListener(MouseEvent.CLICK, pressedButton)
function pressedButton(e:Event):void {
ExternalInterface.call("prettyLaunch","http://vimeo.com/4983930","my vimeo video");
}

ExternalInterface.call has three parameters – the first is the JavaScript function name, while others are parameters that we will pass to JavaScipt function. The second parametes is the embed code for our Vimeo movie. I kept it simple for demonstration purposes but you can use customized code from vimeo as well. The third parameter is the title that will be displayed in the prettyPhoto popup. That is all, you can publish the Flash movie now.

Now  lets look at the structure of our HTML file.

First we need to create and empty anchor that will launch prettyPhoto, like so

<a id="prettyLink" href="" title="" rel="prettyPhoto"></a>

Note that both href and title attribues are empty, that’s where we will use Javascript to change them dynamically later. We also give anchor a unique id=”prettyLink” so we can reference it.

JavaScript functions:

We initialise prettyPhoto with the standard call

$(document).ready(function(){
$("a[rel^='prettyPhoto']").prettyPhoto({showTitle:false});
});

Here’s our prettyLaunch function

function prettyLaunch(linkurl, title) {
document.getElementById("prettyLink").href = linkurl;
document.getElementById("prettyLink").title = title;
$("#prettyLink").trigger('click');
}

Let’s go over this in a little bit more deail. This is the function that we call from Flash. Two parameters in our empty anchor prettyLink are replaced with parameters we pass from the Flash movie.

document.getElementById("prettyLink").href = linkurl;
document.getElementById("prettyLink").title = title;

After we’ve done that we simply generate a jQuery click event for our empty anchor like so:

$("#prettyLink").trigger('click');

That’s almost it.

Now in your flash embed code you need to add two parameters wmode=”transparent” (that is needed so the Flash movie doesn’t display on top of prettyPhoto) and allowScriptAccess =”always” (that is require for Flash to be able to communicate with the JavaScript in the HTML page).

The full HTML page code

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Flash prettyPhoto</title>

    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js?ver=2.9.2" type="text/javascript"></script>
    <link rel="stylesheet" href="css/prettyPhoto.css" type="text/css" media="screen" charset="utf-8" />
    <script src="js/jquery.prettyPhoto.js" type="text/javascript" charset="utf-8"></script>
   
    <script type="text/javascript" charset="utf-8">
            $(document).ready(function(){
                $("a[rel^='prettyPhoto']").prettyPhoto({showTitle:false});
            });
           
            function prettyLaunch(linkurl, title) {
                document.getElementById("prettyLink").href = linkurl;
                document.getElementById("prettyLink").title = title;
                $("#prettyLink").trigger('click');
            }
        </script>
</head>
<body>
    <a id="prettyLink" href="" title="" rel="prettyPhoto"></a>
   
    <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0" width="100%" height="50%" id="flash_prettyphoto" align="middle">
    <param name="allowScriptAccess" value="always" />
    <param name="wmode" value="transparent" />
    <param name="movie" value="flash_prettyphoto.swf" /><param name="quality" value="high" />
    <embed src="flash_prettyphoto.swf" quality="high" width="100%" height="50%" wmode="transparent" name="flash_prettyphoto" allowScriptAccess="always" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/go/getflashplayer" />
    </object>
</body>
</html>

Hope this helps

View the demo here or download source files