Dependency loader test

Dependency loader test.js

/**
 * Dependancy loader test
 */

// --------------------------------------------------------------------------------
// functions

	trace = fl.trace;
	clear = fl.outputPanel.clear;

// --------------------------------------------------------------------------------
// classes object

	classes =
	{
		loaded:[],
		
		level:0,
		
		load:function(name, contents)
		{
			// cancel if there's no content
				if(name == '')
				{
					return false;
				}
				
			// load the class if not already loaded
				if(this.loaded.indexOf(name) == -1)
				{
					// report
						this.level++;
						this.trace('LOADING "' + name + '" (requires "' +contents.join('", "')+ '")', 0);
						this.loaded.push(name);
						
					// requirements
						for(var i = 0; i < contents.length; i++)
						{
							this.require(contents[i], name);
						}
						
					// report
						this.trace('"' + name.toUpperCase() + '" COMPLETE!', 1);
						trace('')
						this.level--;
						
					// return
						return true;
				}
				
			// if it is loaded, cancel
				else
				{
					this.level++;
					this.trace('"' + name + '" is already loaded!');
					this.level--;
					return false;
				}
		},
		
		require:function(name, parent)
		{
			this.level++;
			if(this.loaded.indexOf(name) == -1)
			{
				this.load(name, files[name]);
			}
			else
			{
				this.trace('"' + name + '" is already loaded!');
			}
			this.level--;
		},
		
		trace:function(message, action)
		{
			action = action == undefined ? 2 : action;
			var sign = [' => ', ' :) ', '    '][action];
			trace(this.indent + sign + message);
		},
		
		get indent()
		{
			return new Array(this.level * 2).join(' ');
		}
	}
	
// --------------------------------------------------------------------------------
// code

	// clear
		clear();
		
	// dependancies
		var files =
		{
			A:['B', 'E'],
			B:['A',],
			C:['A', 'K', 'C'],
			D:['I'],
			E:['F'],
			F:['B', 'E'],
			G:['C'],
			H:['K', 'D', 'A'],
			I:['C', 'D', 'E'],
			J:['E'],
			K:['H', 'D', 'J']
		}
		
	// load
		for(var f in files)
		{
			classes.load(f, files[f]);
		}

	// report		
		trace('\nLoad order\n---------------------------');
		var names = xjsfl.utils.getKeys(files);
		for each(var name in classes.loaded)
		{
			var index = names.indexOf(name) + 1
			trace(name  + '|' + new Array(index).join('  ') + index)
		}