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Difference between revisions of "Eclipse4/RCP/FAQ"
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== What is the difference between IEclipseContext#set and IEclipseContext#modify? == | == What is the difference between IEclipseContext#set and IEclipseContext#modify? == | ||
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+ | == UI == | ||
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+ | === How do I enable Drag N Drop (DND) of parts? === | ||
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+ | The DND addon is found in the org.eclipse.e4.ui.workbench.addons.swt plugin. However it requires the compatibility layer and is not available for native E4AP applications. |
Revision as of 15:21, 7 April 2011
Contents
How do I adopt the Eclipse 4 Application Platform?
Accessing the status line |
|
Eclipse 3.x | Eclipse 4.0 |
getViewSite() .getActionsBars() .getStatusLineManager() .setMessage(msg); |
@Inject IStatusLineManager statusLine; ... statusLine.setMessage(msg); |
Associating help context with a control |
getSite() .getWorkbenchWindow() .getWorkbench() .getHelpSystem().setHelp( viewer.getControl(), some_id) |
@Inject IWorkbenchHelpSystem helpSystem; ... helpSystem.setHelp( viewer.getControl(), some_id); |
Handling errors and exceptions |
try { ... } catch (Exception ex) { IStatus status = new Status( IStatus.ERROR, "plugin-id", "Error while ...", ex); StatusManager.getManager() .handle(status, StatusManager.SHOW); } |
@Inject StatusReporter statusReporter; ... try{ ... } catch (Exception ex) { statusReporter.show("Error while ...", ex); } |
Accessing preference values |
IPreferenceStore store = IDEWorkbenchPlugin.getDefault() .getPreferenceStore(); boolean saveBeforeBuild = store .getBoolean(SAVE_BEFORE_BUILD); |
@Inject @Preference(SAVE_BEFORE_BUILD) boolean saveBeforeBuild; |
Why won't my application start?
E4AP products require having the following plugins:
- org.eclipse.equinox.ds (must be started)
- org.eclipse.equinox.event (must be started)
Note that org.eclipse.equinox.ds must be explicitly started. In your product file, you should have a section:
<configurations> <plugin id="org.eclipse.core.runtime" autoStart="true" startLevel="2" /> <plugin id="org.eclipse.equinox.ds" autoStart="true" startLevel="3" /> <plugin id="org.eclipse.equinox.event" autoStart="true" startLevel="3" /> </configurations>
What is the difference between IEclipseContext#set and IEclipseContext#modify?
UI
How do I enable Drag N Drop (DND) of parts?
The DND addon is found in the org.eclipse.e4.ui.workbench.addons.swt plugin. However it requires the compatibility layer and is not available for native E4AP applications.