http://elromdesign.com/blog Developing Web 2.0 Enterprise Architect Applications Tue, 16 Sep 2008 22:59:12 +0000 http://backend.userland.com/rss092 en Sometimes you need to add an arrow or other graphics elements into an existing Flex components. Here's an example that shows you how to add an arrow to your component. [caption id="attachment_55" align="alignnone" width="249" caption="Add an arrow graphic to an existing Flex compoenent"][/caption] [sourcecode language='css'] import mx.core.UIComponent; private static const ARROW_WIDTH:Number = ... http://elromdesign.com/blog/2008/09/16/add-graphic-to-a-component/ Here's a Little trick that shows you how to generate an image thumbnail during runtime from a VideoDisplay component, you can than create a server side proxy to save the image as a file or just use it as it is. Enjoy. [sourcecode language='css'] ... http://elromdesign.com/blog/2008/07/25/create-an-flv-thumbnail-image-from-videodisplay-during-runtime-in-flex/ Let’s talk about some basic Object Oriented programming (OOP) principles - modifiers. Although some modifiers are used often, especially access modifier (private, public, protected and internal), others are rarely used since they are not needed in most cases. With that said, we tend to forget them and end up ... http://elromdesign.com/blog/2008/06/12/actionscript-modifiers-summary-page-and-actionscript-40-wishlist/ If you ever tried to remove the border from text input components such as TextInput or DateField you will find that whatever you do you cannot remove a line that look like a border from your top border. Anything you try such as: dropShadowColor : "0xFFFFFF"; dropShadowEnabled : "false"; border-thickness-bottom : 0; border-thickness-top ... http://elromdesign.com/blog/2008/06/12/remove-border-from-textinput-or-datefield-component/ In preparation for my presentation on Mashup tomorrow at NY Flex group, I gave myself a little challenge. What kind of a Mashup application could I build in about five hours of work, without using a designer! The result is a job board for Flex developers that can be seen ... http://elromdesign.com/blog/2008/04/16/an-awesome-new-sms-mashup-flex-job-board-come-tomorrow-for-a-fascinating-presentation-go-to-nyflexorg-and-sign-up/ Hash map is a data structure that can associates keys with values. It provides constant time performance for the basic operations of addItem, removeItemAt, getItemValue and other methods. The main reason for the increase in memory performance is iteration. Unlike ArrayCollection, the HashMapCollection doesn't need to loop through ... http://elromdesign.com/blog/2008/03/27/boost-memory-performance-on-data-structures-using-hashmapcollection-api/ Singleton design pattern should be used discreetly. Many of us are building API's and using singletons as a means to create a global object that can be accessed across the application.Here's why you should use singleton discreetly: In many cases, using singleton is an anti-pattern; The singleton may be considered as an ... http://elromdesign.com/blog/2008/03/23/use-singletons-discreetly-here-are-some-tips-to-help-you-decide-when-to-use-the-singleton-pattern/ Object Pooling Manager API is an open source API that allows you to create a collection of objects and use them at any given time. These usable objects can be anything from a UI component to an XML list. The Object Pooling manager ensures the management of the ... http://elromdesign.com/blog/2008/03/15/boost-flex-performance-with-object-pooling-manager-api/ Custom cursor API is a great solution for creating sets of custom cursors. Each set is a concrete class that you can set. In addition, you can implement custom events such as: mouse down, mouse up and custom busy cursor. CursorManager class is useful for replacing the cursor with ... http://elromdesign.com/blog/2008/03/03/custom-cursor-api-is-a-great-solution-for-creating-sets-of-custom-cursors/ Building a large Flex application that communicates with a remote server through SQL commands create an architect design problem. What do you do with all the SQL commands? Do you store them in a properties file or create 50-100 ColdFusion files? What do you do once you ... http://elromdesign.com/blog/2008/02/21/sqlstatements-manager-api-will-generate-sql-commands-for-forms-and-other-ui-interactions/