http://www.morphtron.com The Dimension of Information Mon, 11 Feb 2008 03:43:33 +0000 http://backend.userland.com/rss092 en Morphtron is being used extensively in all my projects and has been undergoing some significant evolution. I expect to post updates this quarter. http://www.morphtron.com/2008/02/10/pending-upgrades/ In my first post on MC2, I said Morphtrons have the ability to act as components and/or containers But this deserves more attention as the Composite pattern it represents is one of the most important and pervasive patterns in practice because things in the "real" world are always contained and often contain ... http://www.morphtron.com/2006/07/31/the-power-of-the-composite-pattern/ o_Object new. o getComponents an OrderedCollection() o getComponentsNamed: 'boo' an OrderedCollection() o componentName 'an Object' o componentName: 'hello' o componentName 'hello' oc_Object newNamed: 'world'. o addComponent: oc. o getComponents an OrderedCollection(an Object) oc container componentName 'hello' oc fullName '/hello/world' props_Dictionary new. props at: #mySpecialTrait put: 'is flexibility - hooray Morphtrons!' op_Object newNamed: 'h2' withProperties: props. op fetchProperty: #mySpecialTrait 'is flexibility - hooray ... http://www.morphtron.com/2006/07/31/morphtron-components-containersmc2-example-smalltalk/ MC2 gives objects: the ability to act as components and/or containers the ability to be referred to by name(both short and full path) a consistent, robust creation and initialization protocol http://www.morphtron.com/2006/07/31/morphtron-components-containersmc2/ The latest version which includes Morphtron Component & Container support is 0.91.7. You can download it in the Squeak directory. Soon updates will be in changeset and/or Monticello packages. http://www.morphtron.com/2006/07/31/updated-squeak-image/ The following two examples use the same Javascript 1.5 based MOPA.js, Browser based Yahoo Widget Engine(put the MOPA.js file from above into the .kon file) so the only differences in them have to do with output. I know that earlier versions of Morphtron ran in Javascript OSA and Web Crossing but I haven't ... http://www.morphtron.com/2006/07/28/javascript-mopa-implementations/ Back in 2000, I got a chance to demo an environment based on the Morphtron derived FreeDOM architecture at Squeakend 2000. John McIntosh really captured the key ideas. One was The thought is that the web will become a distributed object oriented space. Then the question is how to interact with ... http://www.morphtron.com/2006/07/27/navigating-distributed-object-spaces/ This simple example included in the beta image is shown below with comments and italicized results. create a new object o_Object new. an Object see if it has a 'hello world' property o fetchProperty: 'hello world'. nil put something into the hello world property o putIntoProperty: {'hello world'. 'first program'} fetch the new property o fetchProperty: ... http://www.morphtron.com/2006/07/27/mopa-example-smalltalk/ Squeak 3.8 based image and changes files are available in a zip file. I'm still wrangling about what formats support - there's no simple answer right now. It may end up both change sets and Monticello packages in Subversion which will be the common repository for other language implementations. ... http://www.morphtron.com/2006/07/27/download-the-squeak-implementation/ A full implementation of Morphtron provides a common, transparent means of providing access to properties by using the native property if it exists. In cases where no native property exists, MOPA methods then use or optionally create an accessory. For example consider this Smalltalk(Squeak and Dolphin) implementation of fetchProperty: fetchProperty: aSymbol | ... http://www.morphtron.com/2006/07/25/implementing-the-core-mopa-methods-part-1/