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| <h1 class="title">Design Overview</h1> | |||||
| <h3 class="section"> | |||||
| <a name="Introduction"></a> | |||||
| Introduction | |||||
| </h3> | |||||
| <p>The purpose of this document is to communicate the overall | |||||
| structure and design patters used in Antidote, the GUI for | |||||
| Ant. This document is a work in progress, as well as a living | |||||
| document, and it is most likely not be in full synchronization with | |||||
| the source code. Therefore, if there is any doubt, view the source | |||||
| ;-) | |||||
| </p> | |||||
| <h3 class="section"> | |||||
| <a name="Overview"></a> | |||||
| Overview | |||||
| </h3> | |||||
| <p>The Antidote architecture design aims to provide a high level | |||||
| of modularity and extensibility. Ideally the components of | |||||
| Antidote will be able to be assembled in different configurations | |||||
| to provide the type of application or plug-in desired. | |||||
| </p> | |||||
| <p>To achieve this modularity, a high level of decoupling is | |||||
| necessary. The standard UI design approach of providing separation | |||||
| of view (presentation) from model (data) is applied, leveraging | |||||
| the built-in Ant data model where possible, as well as the | |||||
| predefined Swing model interfaces. Furthermore, the architecture | |||||
| is highly event driven, whereby modules communicate via a shared | |||||
| communications channel. | |||||
| </p> | |||||
| <p>To a large extent, the configuration of application modules is | |||||
| driven by localized configuration files, allowing new modules or | |||||
| data views to be added, as well as providing multi-language | |||||
| support. | |||||
| </p> | |||||
| <p>The diagram below conveys a high altitude view of the | |||||
| application's structure. As the application grows, new components | |||||
| will be plugged in to what will be described as the <code>EventBus</code> | |||||
| </p> | |||||
| <h3 class="section"> | |||||
| <a name="Antidote Component Architecture/Event Bus"></a> | |||||
| Antidote Component Architecture/Event Bus | |||||
| </h3> | |||||
| <pre class="code"> | |||||
| +---------------+ +----------------+ +-------------+ +-------------+ | |||||
| | | | | | | | | | |||||
| | ActionManager | | EventResponder | | AntModule | | AntModule | | |||||
| | | | | |(ProjectNav) | |(SourceEdit) | | |||||
| +---------------+ +----------------+ +-------------+ +-------------+ | |||||
| | ^ ^ ^ | |||||
| | | | | | |||||
| ActionEvent EventObject AntEvent AntEvent | |||||
| | | | | | |||||
| v v v v | |||||
| /---------------------------------------------------------------------\ | |||||
| / \ | |||||
| < EventBus > | |||||
| \ / | |||||
| \---------------------------------------------------------------------/ | |||||
| | ^ ^ ^ | |||||
| | | | | | |||||
| EventObject ChangeEvent BuildEvent EventObject | |||||
| | | | | | |||||
| v | | v | |||||
| +---------------+ +----------------+ +-------------+ +--------------+ | |||||
| | | | | | | | | | |||||
| | Console | | ProjectProxy | | Ant | | (Your Module)| | |||||
| | | | | | | | | | |||||
| +---------------+ +----------------+ +-------------+ +--------------+ | |||||
| </pre> | |||||
| <p>The backbone of the application is the <code>EventBus</code>. Any | |||||
| component of the application can post events to the | |||||
| <code>EventBus</code>. Components that wish to receive events are | |||||
| called <code>BusMember</code>s. | |||||
| </p> | |||||
| <p>The <code>EventBus</code> will dispatch any object of type | |||||
| <code>java.util.Event</code>, which means that Ant <code>BuildEvent</code> | |||||
| objects, as well as <code>AWTEvent</code> objects can be posted (if desired). A | |||||
| new class of events called <code>AntEvent</code> is defined for Antidote | |||||
| specific events, which have the additional capability of being | |||||
| canceled mid-dispatch. | |||||
| </p> | |||||
| <p>Each <code>BusMember</code> must provide a <code>BusFilter</code> instance, | |||||
| which is the members' means of telling the bus which | |||||
| events it is interested in. This allows a <code>BusMember</code> to, | |||||
| say, only receive <code>AntEvent</code> objects. | |||||
| </p> | |||||
| <p>When a <code>BusMember</code> registers itself with the | |||||
| <code>EventBus</code>, it must provide a (so called) <i>interrupt | |||||
| level</i> which is a integer value defining a relative ordering | |||||
| for dispatching <code>EventObject</code>s to <code>BusMember</code>s. The | |||||
| purpose of this is to allow certain <code>BusMember</code> instances | |||||
| to see an event before others, and in the case of <code>AntEvent</code> | |||||
| objects, keep the event from propagating onward. The | |||||
| <code>EventBus</code> class defines the interrupt level constants | |||||
| <code>VETOING=1</code>, <code>MONITORING=5</code>, and <code>RESPONDING=10</code> to | |||||
| help define categories of members. The implied purpose being that: | |||||
| </p> | |||||
| <ul> | |||||
| <li><code>VETOING</code>: Listens for certain types of events, and | |||||
| may process them in a non-default manner to determine if the | |||||
| event should be canceled before being dispatched to the | |||||
| <code>RESPONDING</code> group. | |||||
| </li> | |||||
| <li><code>MONITORING</code>: Just listens for events, like a logger | |||||
| or status monitor. | |||||
| </li> | |||||
| <li><code>RESPONDING</code>: Process events in a default manner, | |||||
| knowing that the event has passed any <code>VETOING</code> members. | |||||
| </li> | |||||
| </ul> | |||||
| <p>Within a specific interrupt level, the order in which members will | |||||
| receive events is undefined. A <code>BusMember</code> may be registered | |||||
| at a level that is +/- of one of the defined levels, as long as it | |||||
| follows the constraint <code>MONITORING <= interruptLevel <= | |||||
| MAX_INTERRUPT</code>. | |||||
| </p> | |||||
| <h3 class="section"> | |||||
| <a name="Actions and ActionManager"></a> | |||||
| Actions and ActionManager | |||||
| </h3> | |||||
| <p>Extensive use of the <code>javax.swing.Action</code> interface is | |||||
| made for defining the set of menu and tool bar options that are | |||||
| available. The configuration file <code>action.properties</code> | |||||
| exists to define what should appear in the menu and toolbar, how | |||||
| it is displayed, and the <code>Action</code> command name that is | |||||
| dispatched when the user invokes that action. A class called | |||||
| <code>ActionManager</code> exists for not only processing the | |||||
| configuration file, but also for dispatching invoked action events | |||||
| to the <code>EventBus</code>, and for controlling the enabled state of | |||||
| an <code>Action</code>. When a new menu item or toolbar button is | |||||
| desired, first it is added to the <code>action.properties</code> file, | |||||
| and then the code to respond to it is added to the | |||||
| <code>EventResponder</code> (see below). | |||||
| </p> | |||||
| <h3 class="section"> | |||||
| <a name="Commands and EventResponder"></a> | |||||
| Commands and EventResponder | |||||
| </h3> | |||||
| <p>At some point in the stages of event processing, an event may | |||||
| require the data model to be modified, or some other task be | |||||
| performed. The <code>Command</code> interface is defined to classify | |||||
| code which performs some task or operation. This is distinct from | |||||
| an <code>Action</code>, which is a user request for an operation. A | |||||
| <code>Command</code> class is the encapsulation of the operation | |||||
| itself. | |||||
| </p> | |||||
| <p>When an <code>Action</code> generates an <code>ActionEvent</code>, the | |||||
| event is posted to the <code>EventBus</code> which delivers the event | |||||
| to all interested <code>BusMember</code>s. It eventually makes it to | |||||
| the <code>EventResponder</code> instance (registered at the | |||||
| <code>RESPONDING</code> interrupt level), which is responsible for | |||||
| translating specific events into <code>Command</code> objects, and | |||||
| then executing the <code>Command</code> object. For example, when the | |||||
| user selects the "Open..." menu option, an <code>ActionEvent</code> is | |||||
| generated by the Swing <code>MenuItem</code> class, which is then | |||||
| posted to the <code>EventBus</code> by the <code>ActionManager</code>. The | |||||
| <code>ActionEvent</code> is delivered to the <code>EventResponder</code>, | |||||
| which converts the <code>ActionEvent</code> into a <code>Command</code> | |||||
| instance. The <code>EventResponder</code> then calls the method | |||||
| <code>Command.execute()</code> to invoke the command (which displays a | |||||
| dialog for selecting a file to open). | |||||
| </p> | |||||
| <p>When adding new <code>Action</code>s or general tasks to the | |||||
| application, a <code>Command</code> object should be created to | |||||
| encapsulate the behavior. This includes most operations which | |||||
| modify the state of the data model. | |||||
| </p> | |||||
| <p>The purpose of this encapsulation is to allow the clean | |||||
| separation of making a request, and servicing a request. Due to | |||||
| various conditions in the application state, the actually response | |||||
| to a request may change, as well as who services it. This | |||||
| design approach facilitates that. | |||||
| </p> | |||||
| <h3 class="section"> | |||||
| <a name="Data Model and Views"></a> | |||||
| Data Model and Views | |||||
| </h3> | |||||
| <p><i>NB: This part of the architecture is not fleshed out very well. There | |||||
| needs to be a discussion of the degree to which the Antidote development | |||||
| should be able to impose changes on the Ant data model, and to what level | |||||
| that model should be mirrored in the Antidote code base. The coupling | |||||
| between them should be kept low, and at the same time changes to one should | |||||
| affect the other minimally. Still, features like property change events and | |||||
| bean introspection (or BeanInfo) may be needed to be added to the Ant data | |||||
| model. Right now the data model is encapsulated in the package | |||||
| <code>org.apache.tools.ant.gui.acs</code> (where "<code>acs</code>" stands for "Ant Construction Set").</i> | |||||
| </p> | |||||
| <h3 class="section"> | |||||
| <a name="Application Context"></a> | |||||
| Application Context | |||||
| </h3> | |||||
| <p>In order to keep the coupling among application modules to a | |||||
| minimum, a single point of reference is needed for coordination | |||||
| and data sharing. The class <code>AppContext</code> is the catch-all | |||||
| class for containing the application state. Most modules and | |||||
| <code>Command</code> classes require an instance of the | |||||
| <code>AppContext</code> class. Because all state information in | |||||
| contained in an <code>AppContext</code> instance, multiple instances | |||||
| of Antidote can run inside the same JVM as long as each has it's | |||||
| own <code>AppContext</code>. (Interestingly, two instances of the | |||||
| Antidote could conceivably share an <code>AppContext</code> instance | |||||
| through RMI, allowing remote interaction/collaboration.) | |||||
| </p> | |||||
| <h3 class="section"> | |||||
| <a name="Configuration and ResourceManager"></a> | |||||
| Configuration and ResourceManager | |||||
| </h3> | |||||
| <p>Full "i18n" support should be assumed in modern applications, | |||||
| and all user viewable strings should be defined in a configuration | |||||
| file. For Antidote this configuration file is | |||||
| <code>antidote.properties</code>, which is located (with other UI | |||||
| resources) in the sub-package "resources". | |||||
| </p> | |||||
| <p>To aid in the lookup of text properties, as well as other | |||||
| resources like icons, a class called <code>ResourceManager</code> is | |||||
| defined. There are various convenience methods attached to this | |||||
| class, which will likely grow to make looking up configuration | |||||
| values as easy as possible. | |||||
| </p> | |||||
| <p>The organization of configuration properties is based on the | |||||
| fully qualified path of the class that requires the property. For | |||||
| example, the "about" box contains a messages, so it looks for the | |||||
| property "<code>org.apache.tools.ant.gui.About.message</code>" for the text | |||||
| message it should display. Therefore, the <code>ResourceManager</code> | |||||
| method <code>getString()</code> takes a <code>Class</code> instance as | |||||
| well as a <code>String</code> key. Please see the | |||||
| <code>ResourceManager</code> documentation for more information. Given | |||||
| this support, no user visible strings should appear in the source | |||||
| code itself. | |||||
| </p> | |||||
| </div> | |||||
| </div> | |||||
| <p class="copyright"> | |||||
| Copyright © 2000-2005 The Apache Software Foundation. All rights reserved. | |||||
| <script type="text/javascript" language="JavaScript"><!-- | |||||
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| <img style="float: right" height="10" width="10" border="0" alt="" src="../../images/menu-right.gif"> | |||||
| </div> | |||||
| <div class="lightbluebar"> </div> | |||||
| <div class="main"> | |||||
| <div class="content"> | |||||
| <h1 class="title">About Antidote</h1> | |||||
| <h3 class="section"> | |||||
| <a name="About"></a> | |||||
| About | |||||
| </h3> | |||||
| <h3>ANTidote is the GUI for Ant...</h3> | |||||
| <p>... in fact it is the Ant GUI by the Apache Ant project itself, because, | |||||
| as you might know, there are several other graphical user interfaces covering Ant. | |||||
| Most of them are integrated in IDEs such as <a href="http://ant.netbeans.org">NetBeans</a> | |||||
| or <a href="http://www.eclipse.org">Eclipse</a>. To be honest Antidote | |||||
| has started a long time ago (spring 2000) and was designed to become integrable into | |||||
| IDEs by it's original Author Simeon H. K. Fitch, who did the most work on Antidote. | |||||
| Unfortunately the Antidote community never came really "to speed" and so the IDE-guys | |||||
| where faster with their integrations. | |||||
| </p> | |||||
| <p>With these other Ant GUIs Antidote became less important and it seemed there was not much | |||||
| interest in such a tool... | |||||
| </p> | |||||
| <p>Anyways: The "sleeping beauty" Antidote has been awaken and is now being developed to | |||||
| a full featured, stand alone, JFC/Swing-based Ant GUI to graphically create, edit and run | |||||
| build-files to be quite useful for the developer who do not use an IDE at all. So one of | |||||
| the goals of Antidote development is to make it small, fast and really neat :)! | |||||
| </p> | |||||
| <h3 class="section"> | |||||
| <a name="Get a glimpse"></a> | |||||
| Get a glimpse | |||||
| </h3> | |||||
| <p> | |||||
| <img src="images/screenshot.jpg" width="648" height="595" alt="Screenshot" /> | |||||
| </p> | |||||
| <p>This is a screenshot of how Antidote looks today. Still there is, of course, a lot to do | |||||
| and you are welcome to contribute! It shows Antidote using a custom look and feel called | |||||
| "Metouia" which you can find <a href="http://mlf.sourceforge.net">here</a> if you want to try it! | |||||
| </p> | |||||
| <h3 class="section"> | |||||
| <a name="Get Involved"></a> | |||||
| Get Involved | |||||
| </h3> | |||||
| <p>Antidote is discussed on the main Ant mailing lists you can find here: | |||||
| </p> | |||||
| <ul> | |||||
| <li><a href="http://jakarta.apache.org/getinvolved/getinvolvedindex.html">Get Involved</a></li> | |||||
| <li><a href="../../mail.html">Join Mailing Lists</a></li> | |||||
| <li><a href="http://marc.theaimsgroup.com/?l=ant-dev&r=1&w=2">Search the Dev Mailing List</a> | |||||
| </li> | |||||
| <li><a href="http://marc.theaimsgroup.com/?l=ant-user&r=1&w=2">Search the User Mailing List</a> | |||||
| </li> | |||||
| </ul> | |||||
| </div> | |||||
| </div> | |||||
| <p class="copyright"> | |||||
| Copyright © 2000-2005 The Apache Software Foundation. All rights reserved. | |||||
| <script type="text/javascript" language="JavaScript"><!-- | |||||
| document.write(" - "+"Last Published: " + document.lastModified); | |||||
| // --> | |||||
| </script> | |||||
| </p> | |||||
| </body> | |||||
| </html> | |||||
| @@ -1,190 +0,0 @@ | |||||
| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> | |||||
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| <title>Apache Ant - Module HOW-TO</title> | |||||
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| <meta name="author" content="Simeon H. K. Fitch"> | |||||
| <meta name="email" content="simeon@fitch.net"> | |||||
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| </div> | |||||
| <div class="lightbluebar"> </div> | |||||
| <div class="main"> | |||||
| <div class="content"> | |||||
| <h1 class="title">Module HOW-TO</h1> | |||||
| <h3 class="section"> | |||||
| <a name="Introduction"></a> | |||||
| Introduction | |||||
| </h3> | |||||
| <p>The purpose of this document is to provide an overview of the | |||||
| basic steps one must undertake to add a new module to | |||||
| Antidote. Please see <a href="./design.html">The Antidote | |||||
| Design Overview</a> for information on what a module is and how it | |||||
| fits into Antidote. If you've already got all that, then read | |||||
| on! | |||||
| </p> | |||||
| <p>NB: <i>Please submit updates and criticisms to this, particularly | |||||
| areas that were unclear, missing, or difficult to follow.</i> | |||||
| </p> | |||||
| <h3 class="section"> | |||||
| <a name="Step by step"></a> | |||||
| Step by step | |||||
| </h3> | |||||
| <h2>1) Specialize <code>org.apache.tools.ant.gui.core.AntModule</code></h2> | |||||
| <p>All modules must inherit from the <code>AntModule</code> | |||||
| class. This will probably irritate some of you, but it essentially | |||||
| enforces inheritance from <code>javax.swing.JComponent</code> and | |||||
| provides encapsulated handling of the <code>AppContext</code> instance | |||||
| that is so important to this class. | |||||
| </p> | |||||
| <p>Your module is required to implement the | |||||
| <code>AntModule.contextualize(AppContext)</code> method. The first | |||||
| thing this method should do is call | |||||
| <code>AntModule.setContext(AppContext)</code>, and then it is safe for | |||||
| it to begin constructing its display, using whatever resources it | |||||
| needs from the given <code>AppContext</code> instance. Think of this | |||||
| in a similar manner to <code>Applet.init()</code> or | |||||
| <code>Servlet.init()</code>. | |||||
| </p> | |||||
| <h2>2) Update | |||||
| <code>org/apache/tools/ant/gui/resources/antidote.properties</code></h2> | |||||
| <h3>2a) Externalize All Displayable Strings</h3> | |||||
| <p>All displayable strings must be externalized to the | |||||
| <code>antidote.properties</code> file, and looked up via the | |||||
| <code>AppContext.getResources()</code> method after the | |||||
| <code>AntModule.contextualize()</code> method has been called. Follow | |||||
| the naming convention currently used in the properties file and | |||||
| you should have to problems. This task should be done | |||||
| <b>during</b> development of your module. Under no circumstances | |||||
| should your module be submitted or committed without this task | |||||
| being completed. Remember that Antidote has an international | |||||
| audience. | |||||
| </p> | |||||
| <h3>2b) Add Module to List of Auto-Loaded Modules</h3> | |||||
| <p>Look for the properties with the format | |||||
| <code>org.apache.tools.ant.gui.Antidote.xxx.modules</code> where | |||||
| <code>xxx</code> is one of {left | right | top | bottom}. Depending on | |||||
| where you want your module to appear, and the order that you want | |||||
| it to appear in relationship to the other modules, add the class | |||||
| name of your module appropriately. If multiple modules are listed | |||||
| for a single property (via a comma delimited list), then each | |||||
| module will have it's own tab in a <code>javax.swing.JTabbedPane</code>. | |||||
| </p> | |||||
| <p>NB:<i>This goofy way of constructing the main screen will probably | |||||
| change to something much more general (but not as general as, say | |||||
| <a href="http://www.alphaworks.ibm.com/tech/bml">BML</a>).</i> | |||||
| </p> | |||||
| <h2>Run it!</h2> | |||||
| <p>That should be all you need to do, at least to get your module | |||||
| plugged in. Check out the source code for | |||||
| <code>ProjectNavigator</code> and <code>PropertyEditor</code> for module | |||||
| examples that use the various facilities of the Antidote | |||||
| framework. | |||||
| </p> | |||||
| </div> | |||||
| </div> | |||||
| <p class="copyright"> | |||||
| Copyright © 2000-2005 The Apache Software Foundation. All rights reserved. | |||||
| <script type="text/javascript" language="JavaScript"><!-- | |||||
| document.write(" - "+"Last Published: " + document.lastModified); | |||||
| // --> | |||||
| </script> | |||||
| </p> | |||||
| </body> | |||||
| </html> | |||||
| @@ -1,134 +0,0 @@ | |||||
| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> | |||||
| <html lang="en"> | |||||
| <!-- GENERATED FILE, DO NOT EDIT, EDIT THE XML FILE IN xdocs INSTEAD! --> | |||||
| <head> | |||||
| <META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> | |||||
| <title>Apache Ant - News</title> | |||||
| <link type="text/css" href="../../page.css" rel="stylesheet"> | |||||
| <meta name="author" content="Christoph Wilhelms"> | |||||
| <meta name="email" content="christoph.wilhelms@gmx.de"> | |||||
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| <h1 class="title">News</h1> | |||||
| <h3 class="section"> | |||||
| <a name="German i18n"></a> | |||||
| German i18n | |||||
| </h3> | |||||
| <h3>October 12, 2003 - Antidote German internationalization implemented</h3> | |||||
| <p>After English and Japanese, German is the third language Antidote has been | |||||
| localized to! Many others may follow!?!</p> | |||||
| <h3 class="section"> | |||||
| <a name="Antidote News Page"></a> | |||||
| Antidote News Page | |||||
| </h3> | |||||
| <h3>October 12, 2003 - News Page</h3> | |||||
| <p>To show, that we are really continue the work on Antidote, I set up this | |||||
| news page to inform you all about the progress. Additonally I'd like to encourage | |||||
| you to use and test Antidote, or - of course - take part in the development!</p> | |||||
| </div> | |||||
| </div> | |||||
| <p class="copyright"> | |||||
| Copyright © 2000-2005 The Apache Software Foundation. All rights reserved. | |||||
| <script type="text/javascript" language="JavaScript"><!-- | |||||
| document.write(" - "+"Last Published: " + document.lastModified); | |||||
| // --> | |||||
| </script> | |||||
| </p> | |||||
| </body> | |||||
| </html> | |||||
| @@ -1,259 +0,0 @@ | |||||
| <?xml version="1.0"?> | |||||
| <!-- | |||||
| Copyright 2003-2004 The Apache Software Foundation | |||||
| Licensed under the Apache License, Version 2.0 (the "License"); | |||||
| you may not use this file except in compliance with the License. | |||||
| You may obtain a copy of the License at | |||||
| http://www.apache.org/licenses/LICENSE-2.0 | |||||
| Unless required by applicable law or agreed to in writing, software | |||||
| distributed under the License is distributed on an "AS IS" BASIS, | |||||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||||
| See the License for the specific language governing permissions and | |||||
| limitations under the License. | |||||
| --> | |||||
| <document> | |||||
| <properties> | |||||
| <index value="1"/> | |||||
| <author email="simeon@fitch.net">Simeon H. K. Fitch</author> | |||||
| <author email="christoph.wilhelms@t-online.de">Christoph Wilhelms</author> | |||||
| <title>Design Overview</title> | |||||
| </properties> | |||||
| <body> | |||||
| <section name="Introduction"> | |||||
| <p>The purpose of this document is to communicate the overall | |||||
| structure and design patters used in Antidote, the GUI for | |||||
| Ant. This document is a work in progress, as well as a living | |||||
| document, and it is most likely not be in full synchronization with | |||||
| the source code. Therefore, if there is any doubt, view the source | |||||
| ;-) | |||||
| </p> | |||||
| </section> | |||||
| <section name="Overview"> | |||||
| <p>The Antidote architecture design aims to provide a high level | |||||
| of modularity and extensibility. Ideally the components of | |||||
| Antidote will be able to be assembled in different configurations | |||||
| to provide the type of application or plug-in desired. | |||||
| </p> | |||||
| <p>To achieve this modularity, a high level of decoupling is | |||||
| necessary. The standard UI design approach of providing separation | |||||
| of view (presentation) from model (data) is applied, leveraging | |||||
| the built-in Ant data model where possible, as well as the | |||||
| predefined Swing model interfaces. Furthermore, the architecture | |||||
| is highly event driven, whereby modules communicate via a shared | |||||
| communications channel. | |||||
| </p> | |||||
| <p>To a large extent, the configuration of application modules is | |||||
| driven by localized configuration files, allowing new modules or | |||||
| data views to be added, as well as providing multi-language | |||||
| support. | |||||
| </p> | |||||
| <p>The diagram below conveys a high altitude view of the | |||||
| application's structure. As the application grows, new components | |||||
| will be plugged in to what will be described as the <code>EventBus</code> | |||||
| </p> | |||||
| </section> | |||||
| <section name="Antidote Component Architecture/Event Bus"> | |||||
| <source> | |||||
| +---------------+ +----------------+ +-------------+ +-------------+<br/> | |||||
| | | | | | | | |<br/> | |||||
| | ActionManager | | EventResponder | | AntModule | | AntModule |<br/> | |||||
| | | | | |(ProjectNav) | |(SourceEdit) |<br/> | |||||
| +---------------+ +----------------+ +-------------+ +-------------+<br/> | |||||
| | ^ ^ ^<br/> | |||||
| | | | |<br/> | |||||
| ActionEvent EventObject AntEvent AntEvent<br/> | |||||
| | | | |<br/> | |||||
| v v v v<br/> | |||||
| /---------------------------------------------------------------------\<br/> | |||||
| / \<br/> | |||||
| < EventBus ><br/> | |||||
| \ /<br/> | |||||
| \---------------------------------------------------------------------/<br/> | |||||
| | ^ ^ ^<br/> | |||||
| | | | |<br/> | |||||
| EventObject ChangeEvent BuildEvent EventObject<br/> | |||||
| | | | |<br/> | |||||
| v | | v<br/> | |||||
| +---------------+ +----------------+ +-------------+ +--------------+<br/> | |||||
| | | | | | | | |<br/> | |||||
| | Console | | ProjectProxy | | Ant | | (Your Module)|<br/> | |||||
| | | | | | | | |<br/> | |||||
| +---------------+ +----------------+ +-------------+ +--------------+ | |||||
| </source> | |||||
| <p>The backbone of the application is the <code>EventBus</code>. Any | |||||
| component of the application can post events to the | |||||
| <code>EventBus</code>. Components that wish to receive events are | |||||
| called <code>BusMember</code>s. | |||||
| </p> | |||||
| <p>The <code>EventBus</code> will dispatch any object of type | |||||
| <code>java.util.Event</code>, which means that Ant <code>BuildEvent</code> | |||||
| objects, as well as <code>AWTEvent</code> objects can be posted (if desired). A | |||||
| new class of events called <code>AntEvent</code> is defined for Antidote | |||||
| specific events, which have the additional capability of being | |||||
| canceled mid-dispatch. | |||||
| </p> | |||||
| <p>Each <code>BusMember</code> must provide a <code>BusFilter</code> instance, | |||||
| which is the members' means of telling the bus which | |||||
| events it is interested in. This allows a <code>BusMember</code> to, | |||||
| say, only receive <code>AntEvent</code> objects. | |||||
| </p> | |||||
| <p>When a <code>BusMember</code> registers itself with the | |||||
| <code>EventBus</code>, it must provide a (so called) <i>interrupt | |||||
| level</i> which is a integer value defining a relative ordering | |||||
| for dispatching <code>EventObject</code>s to <code>BusMember</code>s. The | |||||
| purpose of this is to allow certain <code>BusMember</code> instances | |||||
| to see an event before others, and in the case of <code>AntEvent</code> | |||||
| objects, keep the event from propagating onward. The | |||||
| <code>EventBus</code> class defines the interrupt level constants | |||||
| <code>VETOING=1</code>, <code>MONITORING=5</code>, and <code>RESPONDING=10</code> to | |||||
| help define categories of members. The implied purpose being that: | |||||
| </p> | |||||
| <ul> | |||||
| <li><code>VETOING</code>: Listens for certain types of events, and | |||||
| may process them in a non-default manner to determine if the | |||||
| event should be canceled before being dispatched to the | |||||
| <code>RESPONDING</code> group. | |||||
| </li> | |||||
| <li><code>MONITORING</code>: Just listens for events, like a logger | |||||
| or status monitor. | |||||
| </li> | |||||
| <li><code>RESPONDING</code>: Process events in a default manner, | |||||
| knowing that the event has passed any <code>VETOING</code> members. | |||||
| </li> | |||||
| </ul> | |||||
| <p>Within a specific interrupt level, the order in which members will | |||||
| receive events is undefined. A <code>BusMember</code> may be registered | |||||
| at a level that is +/- of one of the defined levels, as long as it | |||||
| follows the constraint <code>MONITORING <= interruptLevel <= | |||||
| MAX_INTERRUPT</code>. | |||||
| </p> | |||||
| </section> | |||||
| <section name="Actions and ActionManager"> | |||||
| <p>Extensive use of the <code>javax.swing.Action</code> interface is | |||||
| made for defining the set of menu and tool bar options that are | |||||
| available. The configuration file <code>action.properties</code> | |||||
| exists to define what should appear in the menu and toolbar, how | |||||
| it is displayed, and the <code>Action</code> command name that is | |||||
| dispatched when the user invokes that action. A class called | |||||
| <code>ActionManager</code> exists for not only processing the | |||||
| configuration file, but also for dispatching invoked action events | |||||
| to the <code>EventBus</code>, and for controlling the enabled state of | |||||
| an <code>Action</code>. When a new menu item or toolbar button is | |||||
| desired, first it is added to the <code>action.properties</code> file, | |||||
| and then the code to respond to it is added to the | |||||
| <code>EventResponder</code> (see below). | |||||
| </p> | |||||
| </section> | |||||
| <section name="Commands and EventResponder"> | |||||
| <p>At some point in the stages of event processing, an event may | |||||
| require the data model to be modified, or some other task be | |||||
| performed. The <code>Command</code> interface is defined to classify | |||||
| code which performs some task or operation. This is distinct from | |||||
| an <code>Action</code>, which is a user request for an operation. A | |||||
| <code>Command</code> class is the encapsulation of the operation | |||||
| itself. | |||||
| </p> | |||||
| <p>When an <code>Action</code> generates an <code>ActionEvent</code>, the | |||||
| event is posted to the <code>EventBus</code> which delivers the event | |||||
| to all interested <code>BusMember</code>s. It eventually makes it to | |||||
| the <code>EventResponder</code> instance (registered at the | |||||
| <code>RESPONDING</code> interrupt level), which is responsible for | |||||
| translating specific events into <code>Command</code> objects, and | |||||
| then executing the <code>Command</code> object. For example, when the | |||||
| user selects the "Open..." menu option, an <code>ActionEvent</code> is | |||||
| generated by the Swing <code>MenuItem</code> class, which is then | |||||
| posted to the <code>EventBus</code> by the <code>ActionManager</code>. The | |||||
| <code>ActionEvent</code> is delivered to the <code>EventResponder</code>, | |||||
| which converts the <code>ActionEvent</code> into a <code>Command</code> | |||||
| instance. The <code>EventResponder</code> then calls the method | |||||
| <code>Command.execute()</code> to invoke the command (which displays a | |||||
| dialog for selecting a file to open). | |||||
| </p> | |||||
| <p>When adding new <code>Action</code>s or general tasks to the | |||||
| application, a <code>Command</code> object should be created to | |||||
| encapsulate the behavior. This includes most operations which | |||||
| modify the state of the data model. | |||||
| </p> | |||||
| <p>The purpose of this encapsulation is to allow the clean | |||||
| separation of making a request, and servicing a request. Due to | |||||
| various conditions in the application state, the actually response | |||||
| to a request may change, as well as who services it. This | |||||
| design approach facilitates that. | |||||
| </p> | |||||
| </section> | |||||
| <section name="Data Model and Views"> | |||||
| <p><i>NB: This part of the architecture is not fleshed out very well. There | |||||
| needs to be a discussion of the degree to which the Antidote development | |||||
| should be able to impose changes on the Ant data model, and to what level | |||||
| that model should be mirrored in the Antidote code base. The coupling | |||||
| between them should be kept low, and at the same time changes to one should | |||||
| affect the other minimally. Still, features like property change events and | |||||
| bean introspection (or BeanInfo) may be needed to be added to the Ant data | |||||
| model. Right now the data model is encapsulated in the package | |||||
| <code>org.apache.tools.ant.gui.acs</code> (where "<code>acs</code>" stands for "Ant Construction Set").</i> | |||||
| </p> | |||||
| </section> | |||||
| <section name="Application Context"> | |||||
| <p>In order to keep the coupling among application modules to a | |||||
| minimum, a single point of reference is needed for coordination | |||||
| and data sharing. The class <code>AppContext</code> is the catch-all | |||||
| class for containing the application state. Most modules and | |||||
| <code>Command</code> classes require an instance of the | |||||
| <code>AppContext</code> class. Because all state information in | |||||
| contained in an <code>AppContext</code> instance, multiple instances | |||||
| of Antidote can run inside the same JVM as long as each has it's | |||||
| own <code>AppContext</code>. (Interestingly, two instances of the | |||||
| Antidote could conceivably share an <code>AppContext</code> instance | |||||
| through RMI, allowing remote interaction/collaboration.) | |||||
| </p> | |||||
| </section> | |||||
| <section name="Configuration and ResourceManager"> | |||||
| <p>Full "i18n" support should be assumed in modern applications, | |||||
| and all user viewable strings should be defined in a configuration | |||||
| file. For Antidote this configuration file is | |||||
| <code>antidote.properties</code>, which is located (with other UI | |||||
| resources) in the sub-package "resources". | |||||
| </p> | |||||
| <p>To aid in the lookup of text properties, as well as other | |||||
| resources like icons, a class called <code>ResourceManager</code> is | |||||
| defined. There are various convenience methods attached to this | |||||
| class, which will likely grow to make looking up configuration | |||||
| values as easy as possible. | |||||
| </p> | |||||
| <p>The organization of configuration properties is based on the | |||||
| fully qualified path of the class that requires the property. For | |||||
| example, the "about" box contains a messages, so it looks for the | |||||
| property "<code>org.apache.tools.ant.gui.About.message</code>" for the text | |||||
| message it should display. Therefore, the <code>ResourceManager</code> | |||||
| method <code>getString()</code> takes a <code>Class</code> instance as | |||||
| well as a <code>String</code> key. Please see the | |||||
| <code>ResourceManager</code> documentation for more information. Given | |||||
| this support, no user visible strings should appear in the source | |||||
| code itself. | |||||
| </p> | |||||
| </section> | |||||
| </body> | |||||
| </document> | |||||
| @@ -1,77 +0,0 @@ | |||||
| <?xml version="1.0"?> | |||||
| <!-- | |||||
| Copyright 2003-2004 The Apache Software Foundation | |||||
| Licensed under the Apache License, Version 2.0 (the "License"); | |||||
| you may not use this file except in compliance with the License. | |||||
| You may obtain a copy of the License at | |||||
| http://www.apache.org/licenses/LICENSE-2.0 | |||||
| Unless required by applicable law or agreed to in writing, software | |||||
| distributed under the License is distributed on an "AS IS" BASIS, | |||||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||||
| See the License for the specific language governing permissions and | |||||
| limitations under the License. | |||||
| --> | |||||
| <document> | |||||
| <properties> | |||||
| <index value="1"/> | |||||
| <author email="christoph.wilhelms@t-online.de">Christoph Wilhelms</author> | |||||
| <title>About Antidote</title> | |||||
| </properties> | |||||
| <body> | |||||
| <section name="About"> | |||||
| <h3>ANTidote is the GUI for Ant...</h3> | |||||
| <p>... in fact it is the Ant GUI by the Apache Ant project itself, because, | |||||
| as you might know, there are several other graphical user interfaces covering Ant. | |||||
| Most of them are integrated in IDEs such as <a href="http://ant.netbeans.org">NetBeans</a> | |||||
| or <a href="http://www.eclipse.org">Eclipse</a>. To be honest Antidote | |||||
| has started a long time ago (spring 2000) and was designed to become integrable into | |||||
| IDEs by it's original Author Simeon H. K. Fitch, who did the most work on Antidote. | |||||
| Unfortunately the Antidote community never came really "to speed" and so the IDE-guys | |||||
| where faster with their integrations. | |||||
| </p> | |||||
| <p>With these other Ant GUIs Antidote became less important and it seemed there was not much | |||||
| interest in such a tool... | |||||
| </p> | |||||
| <p>Anyways: The "sleeping beauty" Antidote has been awaken and is now being developed to | |||||
| a full featured, stand alone, JFC/Swing-based Ant GUI to graphically create, edit and run | |||||
| build-files to be quite useful for the developer who do not use an IDE at all. So one of | |||||
| the goals of Antidote development is to make it small, fast and really neat :)! | |||||
| </p> | |||||
| </section> | |||||
| <section name="Get a glimpse"> | |||||
| <p> | |||||
| <img src="images/screenshot.jpg" width="648" height="595" alt="Screenshot"/> | |||||
| </p> | |||||
| <p>This is a screenshot of how Antidote looks today. Still there is, of course, a lot to do | |||||
| and you are welcome to contribute! It shows Antidote using a custom look and feel called | |||||
| "Metouia" which you can find <a href="http://mlf.sourceforge.net">here</a> if you want to try it! | |||||
| </p> | |||||
| </section> | |||||
| <section name="Get Involved"> | |||||
| <p>Antidote is discussed on the main Ant mailing lists you can find here: | |||||
| </p> | |||||
| <ul> | |||||
| <li><a href="http://jakarta.apache.org/getinvolved/getinvolvedindex.html">Get Involved</a></li> | |||||
| <li><a href="../../mail.html">Join Mailing Lists</a></li> | |||||
| <li><a href="http://marc.theaimsgroup.com/?l=ant-dev&r=1&w=2">Search the Dev Mailing List</a> | |||||
| </li> | |||||
| <li><a href="http://marc.theaimsgroup.com/?l=ant-user&r=1&w=2">Search the User Mailing List</a> | |||||
| </li> | |||||
| </ul> | |||||
| </section> | |||||
| </body> | |||||
| </document> | |||||
| @@ -1,107 +0,0 @@ | |||||
| <?xml version="1.0"?> | |||||
| <!-- | |||||
| Copyright 2003-2004 The Apache Software Foundation | |||||
| Licensed under the Apache License, Version 2.0 (the "License"); | |||||
| you may not use this file except in compliance with the License. | |||||
| You may obtain a copy of the License at | |||||
| http://www.apache.org/licenses/LICENSE-2.0 | |||||
| Unless required by applicable law or agreed to in writing, software | |||||
| distributed under the License is distributed on an "AS IS" BASIS, | |||||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||||
| See the License for the specific language governing permissions and | |||||
| limitations under the License. | |||||
| --> | |||||
| <document> | |||||
| <properties> | |||||
| <index value="1"/> | |||||
| <author email="simeon@fitch.net">Simeon H. K. Fitch</author> | |||||
| <author email="christoph.wilhelms@t-online.de">Christoph Wilhelms</author> | |||||
| <title>Module HOW-TO</title> | |||||
| </properties> | |||||
| <body> | |||||
| <section name="Introduction"> | |||||
| <p>The purpose of this document is to provide an overview of the | |||||
| basic steps one must undertake to add a new module to | |||||
| Antidote. Please see <a href="./design.html">The Antidote | |||||
| Design Overview</a> for information on what a module is and how it | |||||
| fits into Antidote. If you've already got all that, then read | |||||
| on! | |||||
| </p> | |||||
| <p>NB: <i>Please submit updates and criticisms to this, particularly | |||||
| areas that were unclear, missing, or difficult to follow.</i> | |||||
| </p> | |||||
| </section> | |||||
| <section name="Step by step"> | |||||
| <h2>1) Specialize <code>org.apache.tools.ant.gui.core.AntModule</code></h2> | |||||
| <p>All modules must inherit from the <code>AntModule</code> | |||||
| class. This will probably irritate some of you, but it essentially | |||||
| enforces inheritance from <code>javax.swing.JComponent</code> and | |||||
| provides encapsulated handling of the <code>AppContext</code> instance | |||||
| that is so important to this class. | |||||
| </p> | |||||
| <p>Your module is required to implement the | |||||
| <code>AntModule.contextualize(AppContext)</code> method. The first | |||||
| thing this method should do is call | |||||
| <code>AntModule.setContext(AppContext)</code>, and then it is safe for | |||||
| it to begin constructing its display, using whatever resources it | |||||
| needs from the given <code>AppContext</code> instance. Think of this | |||||
| in a similar manner to <code>Applet.init()</code> or | |||||
| <code>Servlet.init()</code>. | |||||
| </p> | |||||
| <h2>2) Update | |||||
| <code>org/apache/tools/ant/gui/resources/antidote.properties</code></h2> | |||||
| <h3>2a) Externalize All Displayable Strings</h3> | |||||
| <p>All displayable strings must be externalized to the | |||||
| <code>antidote.properties</code> file, and looked up via the | |||||
| <code>AppContext.getResources()</code> method after the | |||||
| <code>AntModule.contextualize()</code> method has been called. Follow | |||||
| the naming convention currently used in the properties file and | |||||
| you should have to problems. This task should be done | |||||
| <b>during</b> development of your module. Under no circumstances | |||||
| should your module be submitted or committed without this task | |||||
| being completed. Remember that Antidote has an international | |||||
| audience. | |||||
| </p> | |||||
| <h3>2b) Add Module to List of Auto-Loaded Modules</h3> | |||||
| <p>Look for the properties with the format | |||||
| <code>org.apache.tools.ant.gui.Antidote.xxx.modules</code> where | |||||
| <code>xxx</code> is one of {left | right | top | bottom}. Depending on | |||||
| where you want your module to appear, and the order that you want | |||||
| it to appear in relationship to the other modules, add the class | |||||
| name of your module appropriately. If multiple modules are listed | |||||
| for a single property (via a comma delimited list), then each | |||||
| module will have it's own tab in a <code>javax.swing.JTabbedPane</code>. | |||||
| </p> | |||||
| <p>NB:<i>This goofy way of constructing the main screen will probably | |||||
| change to something much more general (but not as general as, say | |||||
| <a href="http://www.alphaworks.ibm.com/tech/bml">BML</a>).</i> | |||||
| </p> | |||||
| <h2>Run it!</h2> | |||||
| <p>That should be all you need to do, at least to get your module | |||||
| plugged in. Check out the source code for | |||||
| <code>ProjectNavigator</code> and <code>PropertyEditor</code> for module | |||||
| examples that use the various facilities of the Antidote | |||||
| framework. | |||||
| </p> | |||||
| </section> | |||||
| </body> | |||||
| </document> | |||||
| @@ -1,40 +0,0 @@ | |||||
| <?xml version="1.0"?> | |||||
| <!-- | |||||
| Copyright 2003-2004 The Apache Software Foundation | |||||
| Licensed under the Apache License, Version 2.0 (the "License"); | |||||
| you may not use this file except in compliance with the License. | |||||
| You may obtain a copy of the License at | |||||
| http://www.apache.org/licenses/LICENSE-2.0 | |||||
| Unless required by applicable law or agreed to in writing, software | |||||
| distributed under the License is distributed on an "AS IS" BASIS, | |||||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||||
| See the License for the specific language governing permissions and | |||||
| limitations under the License. | |||||
| --> | |||||
| <document> | |||||
| <properties> | |||||
| <index value="1"/> | |||||
| <author email="christoph.wilhelms@gmx.de">Christoph Wilhelms</author> | |||||
| <title>News</title> | |||||
| </properties> | |||||
| <body> | |||||
| <section name="German i18n"> | |||||
| <h3>October 12, 2003 - Antidote German internationalization implemented</h3> | |||||
| <p>After English and Japanese, German is the third language Antidote has been | |||||
| localized to! Many others may follow!?!</p> | |||||
| </section> | |||||
| <section name="Antidote News Page"> | |||||
| <h3>October 12, 2003 - News Page</h3> | |||||
| <p>To show, that we are really continue the work on Antidote, I set up this | |||||
| news page to inform you all about the progress. Additonally I'd like to encourage | |||||
| you to use and test Antidote, or - of course - take part in the development!</p> | |||||
| </section> | |||||
| </body> | |||||
| </document> | |||||
| @@ -69,12 +69,6 @@ | |||||
| <menu name="Projects"> | <menu name="Projects"> | ||||
| <item name="Welcome" href="/projects/index.html"/> | <item name="Welcome" href="/projects/index.html"/> | ||||
| </menu> | </menu> | ||||
| <!--menu name="Antidote"> | |||||
| <item name="About Antidote" href="/projects/antidote/index.html"/> | |||||
| <item name="News" href="/projects/antidote/news.html"/> | |||||
| <item name="Design Overview" href="/projects/antidote/design.html"/> | |||||
| <item name="Module HOW-TO" href="/projects/antidote/module.html"/> | |||||
| </menu--> | |||||
| </menusection> | </menusection> | ||||
| </body> | </body> | ||||
| </project> | </project> | ||||