9
Oct/08

Kohana php framework auth module working example

by Martijn van de Sande under entry

*EDIT: check this post for an easy auth module i made myself

I searched the internet for a “GOOD” documentation about the auth module in kohana.
Couldnt find one… (not even on the official website….). [official documentation]
The example they include in the download of kohana isnt working at all (misses classes and so on….)

So i made an simple example.

Let’s start:

I assume that u have the auth tables allready correct inserted into youre database.
(if not go to modules/auth/views/auth/install.php query should be in the php source…)

Create a file login_test.php
place it in: application/controllers

CTR-C and CTRL-V the code in that file.
Goto: youredomain.nl/login_test
(continue reading…)

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7
Jul/08

Javascript script timer (see what the execution time is)

by Martijn van de Sande under entry

The title of this post says it all.
I made a MINI script timer object that counts how long a certain piece of code runs (executes).
It’s very handy for optimizing youre code!

The output is displayed in seconds with 3 digits behind the comma.
if you just want milliseconds remove the “/1000″ from:

this.scriptRunTime = (this.stopTime - this.startTime)/1000;

The code:

/**
 * javascript script timer
 * example:
 * scriptTimer.startTimer();
 * alert('hello');
 * scriptTimer.stopTimer();
 * alert(scriptTimer.scriptRunTime);
 *
 */
var scriptTimer = {
	scriptRunTime : 0,
	startTime : 0,
	stopTime : 0,
	startTimer : function(){
		time = new Date();
		this.startTime = time.getTime();
	},
	stopTimer : function(){
		time = new Date();
		this.stopTime = time.getTime();
		this.scriptRunTime = (this.stopTime - this.startTime)/1000;
	}
}

(continue reading…)

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1
Jul/08

Javascript debugging (print_r/var_dump in javascript like PHP)

by Marco S. under entry

In javascript there is no function for printing variables like you have PHP, I use print_r and var_dump alot in PHP for dumping variables
so I wanted to create a simular function in javascript.

If you want to walk through unknown child objects in javascript you can use a operator called ‘in’ like this:

//Create a object
element = {child1: 'First child', child2: 'Second child'};

string = '';

//Loop through all the child objects in element
for(property in element)
{
	//Add the name and value of the child object
	string += property + ': '+ element[property] + ''+ '\n';
}
//Ouput the result
alert(string);

(continue reading…)

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26
Jun/08

Scriptaculous beforestart (onstart) and afterfinish (onfinish) events for effects

by Martijn van de Sande under entry

I searched the web ALOT of times to see if there is an event/property or function in scriptaculous to see
if an effect is started or finished. I couldn’t find it anywhere on the web (yeah I did searched at the website of scriptaculous first)!
A friend of mine DID find a sollution for it and it’s VERY easy!

To bad that scriptaculous has not documented it at all,
but i think they did that for a good reason but i dont
know which one ;) .

Let’s see:

beforeStart : is called before the effect start
afterFinish : is called after the effect finished

This also works for Effect.Parallel !!!!

Example:

new Effect.Morph($('someDiv'), {
	style: {
		height: '200px',
		width: '200px'
	},
	beforeStart: function(){ alert('effect started'); },
	afterFinish: function(){ alert('effect finished'); }
})

Parallel example:

    new Effect.Parallel([
		new Effect.Move($('someDiv'), {
	        sync: true,
	        x: 300,
	        y: 300,
	        mode: 'absolute'
	    })
		,
		new Effect.Morph($('someDiv'), {
	        sync: true,
	        style: {
	            height: '200px',
	            width: '200px'
	        }
	    })

	], {
        duration: 1,
		beforeStart: function(){
            alert('effect started');
        },
        afterFinish: function(){
            alert('effect finished');
        }
    });

Basicly i dont know the impact to the effects if ya use this solution.

But it works just fine.

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24
Jun/08

Get the mouse(cursor) position relative to an element with prototype

by Martijn van de Sande under entry

In the tutorial “Mouse coordinates (absolute position) with prototype” i have show u how to get the mouse position.

But sometimes we just want to know if the mouse is in a certain element and what position is the mouse in the element.
We use prototype for this.

Download the sample project: project.zip .

In the body of the html we create a div with id debug for showing some important information.
And we create a div with id container, we want to see if the cursor moves over the container-div and get the relative position
of the cursor in the div. (continue reading…)

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18
Jun/08

Use easy selecting html elements ($(‘elementID’).property) without prototype framework

by Martijn van de Sande under entry

Some people ONLY use the prototype javascript framework for JUST selecting elements with $(‘elementID’)!

This is totally unnecessary because you can make your own function like this:

function $(element) {
      if (typeof element == "string") {
             element = document.getElementById(element);
      }
      return element
}

;)

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