Introduction to Eclipse Rich Client Platform William Bath
What should you get out of this presentation? <ul><li>What is Eclipse RCP? </li></ul><ul><li>Why should you use it? </li><...
What is Eclipse RCP? <ul><li>This is Eclipse, world famous Java IDE and generally cool tool. </li></ul><ul><li>This is Ecl...
What is Eclipse RCP? <ul><li>Can be though of as: stripping out the IDE specific components of Eclipse and reusing the gen...
What is Eclipse RCP? - Examples
Why should you use it? – Sell it to the managers <ul><li>Well supported by industry with over 170 members </li></ul><ul><l...
Why should you use it? – The good reasons <ul><li>Plug-in based </li></ul><ul><ul><li>Modular design, easy breakup of work...
Why should you use it? – The good reasons <ul><li>Branding </li></ul><ul><ul><li>Splash screens, intro screen, icon sets, ...
Core Technologies <ul><li>OSGI </li></ul><ul><ul><li>Provides the plug-in based environment for Eclipse </li></ul></ul><ul...
Core Technologies <ul><li>SWT/JFace </li></ul><ul><ul><li>SWT is a Platform independent Widget toolkit that wraps native W...
Under the hood… <ul><li>Plug-ins </li></ul><ul><li>Features </li></ul><ul><li>Product </li></ul>Feature Product Plug-in Fe...
Plug-ins <ul><li>Holds code </li></ul><ul><li>Resources </li></ul><ul><li>Three magical files: </li></ul><ul><ul><li>build...
Features <ul><li>Groups Plug-ins </li></ul><ul><li>Groups Features </li></ul><ul><li>Specifies Versions </li></ul><ul><li>...
Product <ul><li>One XML file: </li></ul><ul><ul><li>myapplication.product </li></ul></ul><?xml version= &quot;1.0&quot; en...
The GUI centre of Eclipse I want a custom email/chat client program to help me work more efficiently  I will write the XMP...
The GUI centre of Eclipse I will write the XMPP/IRC Chat component And I will write the email client component How do we g...
The Workbench <ul><li>Main Menu bar </li></ul><ul><li>Main Cool/Toolbar </li></ul><ul><li>Perspective Bar </li></ul><ul><l...
GUI Goodness… Understanding the UI breakdown <ul><li>Editors </li></ul><ul><ul><li>Edit resources </li></ul></ul><ul><ul><...
The Extension Registry – What is it? <ul><li>A repository of XML globally accessible and modifiable by plug-ins (typically...
The Extension Registry – An Example <ul><li>Plug-in org.eclipse.ui exposes extension “org.eclipse.ui.popupMenus” in its Pl...
So you want to be an RCP developer… <ul><li>Boy there is a lot of XML to be written/maintained </li></ul><ul><li>Dependenc...
Plug-in Development Environment <ul><li>Provides Editors to deal with Plug-in.xml, Feature.xml, products etc. </li></ul>
Plug-in Development Environment <ul><li>Provides Wizards for creating everything. </li></ul>
Plug-in Development Environment <ul><li>Compile time detection </li></ul><ul><ul><li>of dependency problems </li></ul></ul...
More Resources <ul><li>Get the paper </li></ul><ul><li>http://www.eclipse.org/rcp/   </li></ul><ul><li>http://www.eclipse....
That’s All, Folks! Do try it…
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Introduction To Eclipse RCP

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An introductory presentation to the Eclipse RCP architecture, what it is, what it can do for you, where you can get started.

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  • Who am I? Worked with Eclipse for almost 2 years Using it as a platform for integrating multiple applications in.
  • Introduction To Eclipse RCP

    1. 1. Introduction to Eclipse Rich Client Platform William Bath
    2. 2. What should you get out of this presentation? <ul><li>What is Eclipse RCP? </li></ul><ul><li>Why should you use it? </li></ul><ul><li>Core technologies </li></ul><ul><li>Understand its structure </li></ul><ul><ul><ul><li>Plug-ins, Features and Products </li></ul></ul></ul><ul><ul><ul><li>IApplication and Co. </li></ul></ul></ul><ul><ul><ul><li>Extension Registry </li></ul></ul></ul><ul><li>Understand the makeup of the UI </li></ul><ul><ul><ul><li>Perspectives, Views, Editors and the Workbench </li></ul></ul></ul><ul><li>What you need to get started </li></ul>
    3. 3. What is Eclipse RCP? <ul><li>This is Eclipse, world famous Java IDE and generally cool tool. </li></ul><ul><li>This is Eclipse RCP, SPOT THE DIFFERENCE? </li></ul>
    4. 4. What is Eclipse RCP? <ul><li>Can be though of as: stripping out the IDE specific components of Eclipse and reusing the generic components with your own custom plug-ins </li></ul><ul><li>Is in fact: A generic extensible scalable GUI(?) client that facilitates extremely rapid and sustainable development. </li></ul><ul><li>Translation: A set of generic components that can be customised to create your application. </li></ul>
    5. 5. What is Eclipse RCP? - Examples
    6. 6. Why should you use it? – Sell it to the managers <ul><li>Well supported by industry with over 170 members </li></ul><ul><li>Well known RCP applications (but did you know they were RCP?) </li></ul>Azureus/Vuze BitTorrent Client IBM Lotus Expeditor/Symphony Apache Directory Studio NASA C/C for Mars Rovers, Phoenix etc
    7. 7. Why should you use it? – The good reasons <ul><li>Plug-in based </li></ul><ul><ul><li>Modular design, easy breakup of work, encapsulated, reusable </li></ul></ul><ul><li>Manages GUI layout </li></ul><ul><ul><li>Persistent layouts, and sizing, user configurable layouts (perspectives) </li></ul></ul><ul><li>Extensible Interface </li></ul><ul><ul><li>The main menu, tool bar, status bar can be incrementally added to from plug-ins </li></ul></ul><ul><li>Code reuse </li></ul><ul><ul><li>Commands, menus, command handlers, core expressions, re-targetable actions etc. </li></ul></ul><ul><li>Update support </li></ul>
    8. 8. Why should you use it? – The good reasons <ul><li>Branding </li></ul><ul><ul><li>Splash screens, intro screen, icon sets, cheat sheets, No need to have anything “Eclipse” about it </li></ul></ul><ul><li>Extensible help </li></ul><ul><li>Manages the mundane </li></ul><ul><ul><li>Preference store, update manager, tips and tricks, navigation </li></ul></ul><ul><li>Access to a world of plug-ins </li></ul><ul><ul><li>Leverage other plug-ins, your application is improved as Eclipse improves (force multiplier!) </li></ul></ul><ul><li>Much more, just ask, look and find; chances are if it is not application specific it is in Eclipse! </li></ul>
    9. 9. Core Technologies <ul><li>OSGI </li></ul><ul><ul><li>Provides the plug-in based environment for Eclipse </li></ul></ul><ul><ul><li>Is a standard of which Equinox is the implementation Eclipse uses </li></ul></ul><ul><ul><li>Permits lazy-loading of plug-ins </li></ul></ul><ul><ul><li>Permits multiple versions of the same plug-ins/packages to coexist </li></ul></ul><ul><ul><li>Every Eclipse Plug-in is an OSGI plug-in </li></ul></ul><ul><ul><li>Every OSGI plug-in can be treated as a standard JAR outside OSGI </li></ul></ul>
    10. 10. Core Technologies <ul><li>SWT/JFace </li></ul><ul><ul><li>SWT is a Platform independent Widget toolkit that wraps native Widgets offering native feel and performance. </li></ul></ul><ul><ul><li>JFace provides Model-View-Controller wrapping for SWT widgets such as TreeViewer, TableViewer etc. </li></ul></ul><ul><ul><li>Swing is arguably the main competing framework with SWT. Many religious arguments with no clear winner in performance. </li></ul></ul><ul><ul><li>Widgets must be disposed – in practice not a big deal </li></ul></ul>
    11. 11. Under the hood… <ul><li>Plug-ins </li></ul><ul><li>Features </li></ul><ul><li>Product </li></ul>Feature Product Plug-in Feature Plug-in Plug-in Feature Plug-in
    12. 12. Plug-ins <ul><li>Holds code </li></ul><ul><li>Resources </li></ul><ul><li>Three magical files: </li></ul><ul><ul><li>build.properties </li></ul></ul><ul><ul><li>MANIFEST.MF </li></ul></ul><ul><ul><li>plugin.xml </li></ul></ul>source.. = src/ output.. = bin/ bin.includes = plugin.xml, META-INF/, ., icons/, contexts.xml Manifest-Version: 1.0 Bundle-ManifestVersion: 2 Bundle-Name: Myplugin Plug-in Bundle-SymbolicName: org.osdc.myplugin; singleton:=true Bundle-Version: 1.0.0 Bundle-Activator: org.osdc.myplugin.Activator Require-Bundle: org.eclipse.ui, org.eclipse.core.runtime Bundle-ActivationPolicy: lazy Bundle-RequiredExecutionEnvironment: JavaSE-1.6 <?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?> <?eclipse version=&quot;3.2&quot;?> <plugin> <extension point=&quot;org.eclipse.ui.views&quot;> <category name=&quot;Sample Category&quot; id=&quot;org.osdc.myplugin&quot;> </category> <view name=&quot;Sample View&quot; icon=&quot;icons/sample.gif&quot; category=&quot;org.osdc.myplugin&quot; class=&quot;org.osdc.myplugin.views.SampleView&quot; id=&quot;org.osdc.myplugin.views.SampleView&quot;> </view> </extension> </plugin>
    13. 13. Features <ul><li>Groups Plug-ins </li></ul><ul><li>Groups Features </li></ul><ul><li>Specifies Versions </li></ul><ul><li>Two magical files: </li></ul><ul><ul><li>build.properties </li></ul></ul><ul><ul><li>feature </li></ul></ul>bin.includes = feature.xml src.includes = feature.xml <?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?> <feature id=&quot;org.osdc.myfeature&quot; label=&quot;Myfeature Feature&quot; version =&quot;1.0.0&quot;> <description url=&quot;http://www.example.com/description&quot;> [Enter Feature Description here.] </description> <copyright url=&quot;http://www.example.com/copyright&quot;> [Enter Copyright Description here.] </copyright> <license url=&quot;http://www.example.com/license&quot;> [Enter License Description here.] </license> <requires> <import plugin=&quot;org.eclipse.ui&quot;/> <import plugin=&quot;org.eclipse.core.runtime&quot;/> </requires> <plugin id=&quot;org.osdc.myplugin&quot; download-size=&quot;0&quot; install-size=&quot;0&quot; version =&quot; 0.0.0&quot; unpack=&quot;false&quot;/> <plugin id=&quot;org.osdc.myapplication&quot; download-size=&quot;0&quot; install-size=&quot;0&quot; version=&quot;0.0.0&quot; unpack=&quot;false&quot;/> </feature>
    14. 14. Product <ul><li>One XML file: </li></ul><ul><ul><li>myapplication.product </li></ul></ul><?xml version= &quot;1.0&quot; encoding=&quot;UTF-8&quot;?> <?pde version=&quot;3.4&quot;?> <product name= &quot;My RCP Product&quot; id=&quot;org.osdc.myapplication.product&quot; application=&quot; org.osdc.myapplication.application &quot; version=&quot;1.0.0&quot; useFeatures=&quot;true&quot;> <aboutInfo> <image path= &quot;product_lg.gif&quot;/> <text> RCP Mail template created by PDE </text> </aboutInfo> <configIni use= &quot;default&quot;> </configIni> <launcherArgs> <programArgs>-console -consolelog -debug</programArgs> <programArgsWin>-console</programArgsWin> <vmArgs>-Xmx512m</vmArgs> <vmArgsMac>-XstartOnFirstThread -Dorg.eclipse.swt.internal.carbon.smallFonts</vmArgsMac> </launcherArgs> <windowImages i16= &quot;icons/sample2.gif&quot;/> <launcher> <solaris/> <win useIco= &quot;false&quot;> <bmp/> </win> </launcher> <vm> </vm> <plugins> </plugins> <features> <feature id= &quot; org.osdc.myfeature &quot; version=&quot;1.0.0&quot;/> <feature id= &quot; org.eclipse.rcp &quot; version=&quot;3.4.0.v20080324a-989JERhEk-jWnd5IY8K5tjxB&quot;/> </features> </product>
    15. 15. The GUI centre of Eclipse I want a custom email/chat client program to help me work more efficiently I will write the XMPP/IRC Chat component And I will write the email client component Indra Bruce Phil
    16. 16. The GUI centre of Eclipse I will write the XMPP/IRC Chat component And I will write the email client component How do we get disparate GUI components to seamlessly integrate forming one application? With the WORKBENCH! Bruce Phil Business Logic Plug-in Business Logic Plug-in GUI components Plug-in GUI components Plug-in
    17. 17. The Workbench <ul><li>Main Menu bar </li></ul><ul><li>Main Cool/Toolbar </li></ul><ul><li>Perspective Bar </li></ul><ul><li>Editor Area </li></ul><ul><li>Statusbar </li></ul><ul><li>Fastview bar, progress bar, etc. </li></ul><ul><li>Everything here is designed to be contributed to! </li></ul>
    18. 18. GUI Goodness… Understanding the UI breakdown <ul><li>Editors </li></ul><ul><ul><li>Edit resources </li></ul></ul><ul><ul><li>Provides hooks for saving, creating dirty checking etc. </li></ul></ul><ul><ul><li>E.g. text editors, image editors etc. </li></ul></ul><ul><li>Views </li></ul><ul><ul><li>Provide insight into the resource being edited and the problem space around it </li></ul></ul><ul><ul><li>E.g. Navigator, Properties, Help etc. </li></ul></ul><ul><li>Perspectives </li></ul><ul><ul><li>Group editors, views, actions etc. into a cohesive unit to facilitate performing a task </li></ul></ul><ul><li>All can be dynamically contributed by plug-ins through the Extension Registry </li></ul>View View View Tabbed Views Editor Area Workbench Perspective
    19. 19. The Extension Registry – What is it? <ul><li>A repository of XML globally accessible and modifiable by plug-ins (typically through the Plugin.xml but also through code) </li></ul><ul><li>Broken up into Extension Points and Extensions </li></ul><ul><li>Extension Points are points which Plug-ins expose to permit other plug-ins to extend their functionality </li></ul><ul><li>Extensions are what Plug-ins contribute to Extension Points </li></ul>
    20. 20. The Extension Registry – An Example <ul><li>Plug-in org.eclipse.ui exposes extension “org.eclipse.ui.popupMenus” in its Plugin.xml </li></ul><ul><li>Plug-in org.osdc.myapplication uses it in its Plugin.xml </li></ul><extension point=&quot;org.eclipse.ui.popupMenus&quot;> <objectContribution adaptable=&quot;false&quot; id=&quot;org.osdc.myapplication.objectContribution1&quot; objectClass=&quot;org.osdc.emailplugin.Email&quot;> <action class=&quot;org.osdc.myapplication.Action1&quot; icon=&quot;icons/mail.ico&quot; id=&quot;org.osdc.myapplication.openemailaction&quot; label=&quot;Open Email&quot; tooltip=&quot;Opens an email&quot;> </action> </objectContribution> </extension> <extension-point id=&quot;popupMenus&quot; name=&quot;%ExtPoint.popupMenus&quot; schema=&quot;schema/popupMenus.exsd&quot;/> org.eclipse.ui (plugin.xml) org.osdc.myapplication (plugin.xml)
    21. 21. So you want to be an RCP developer… <ul><li>Boy there is a lot of XML to be written/maintained </li></ul><ul><li>Dependency management/ identification </li></ul><ul><li>Bundling all those plug-ins into a application </li></ul><ul><li>Where to start? </li></ul><ul><li>Can be done with a Java compiler, text editor and libraries, but 9/10 nutritionalists recommend…. </li></ul>http://www.eclipse.org/downloads/ Select Eclipse for RCP /Plug-in Developers
    22. 22. Plug-in Development Environment <ul><li>Provides Editors to deal with Plug-in.xml, Feature.xml, products etc. </li></ul>
    23. 23. Plug-in Development Environment <ul><li>Provides Wizards for creating everything. </li></ul>
    24. 24. Plug-in Development Environment <ul><li>Compile time detection </li></ul><ul><ul><li>of dependency problems </li></ul></ul><ul><ul><li>XML issues/mismatch </li></ul></ul><ul><li>Tools for creating new Extension Points etc. </li></ul><ul><li>Tools for building and bundling whole applications, including continuous integration through headless builds </li></ul><ul><li>Really makes development very easy </li></ul>
    25. 25. More Resources <ul><li>Get the paper </li></ul><ul><li>http://www.eclipse.org/rcp/ </li></ul><ul><li>http://www.eclipse.org/resources/ - Over 300 articles on everything to do with RCP and Eclipse </li></ul><ul><li>http://www.planeteclipse.org/planet/ </li></ul><ul><li>http://live.eclipse.org/ </li></ul><ul><li>http://www.eclipseplugincentral.com/ </li></ul><ul><li>Contact me: </li></ul>
    26. 26. That’s All, Folks! Do try it…
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