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Eclipse Plug-in Developer Guide
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Eclipse Platform
Release 3.5

Package org.eclipse.ui

Application programming interfaces for interaction with and extension of the Eclipse Platform User Interface.

See:
           Description

Interface Summary
IActionBars Used by a part to access its menu, toolbar, and status line managers.
IActionBars2 Interface extention to IActionBars that provides an additional cool bar manager.
IActionDelegate Interface for actions contributed via an extension point.
IActionDelegate2 Interface extension to IActionDelegate adding lifecycle methods.
IActionDelegateWithEvent Deprecated. Use org.eclipse.ui.IActionDelegate2 instead.
IActionFilter An adapter which performs action filtering.
IAggregateWorkingSet Contains a set of IWorkingSet.
IContainmentAdapter This adapter interface provides a way to test element containment in a model-independent way.
IContributorResourceAdapter The IContributorResourceAdapter is an interface that defines the API required to get a resource that an object adapts to for use of object contributions, decorators and property pages that have adaptable = true.
IDecoratorManager Manages the decorators contributed via the decorators extension point.
IEditorActionBarContributor A editor action bar contributor defines the actions for one or more editors.
IEditorActionDelegate Interface for an action that is contributed into an editor-activated menu or tool bar.
IEditorDescriptor Description of an editor in the workbench editor registry.
IEditorInput IEditorInput is a light weight descriptor of editor input, like a file name but more abstract.
IEditorLauncher An editor launcher is used to launch external editors on a file in the local file system.
IEditorMatchingStrategy An editor matching strategy allows editor extensions to provide their own algorithm for matching the input of an open editor of that type to a given editor input.
IEditorPart An editor is a visual component within a workbench page.
IEditorReference Implements a reference to a editor.
IEditorRegistry Registry of editors known to the workbench.
IEditorSite The primary interface between an editor part and the workbench.
IElementFactory A factory for re-creating objects from a previously saved memento.
IExportWizard Interface for export wizards.
IFileEditorInput This interface defines a file-oriented input to an editor.
IFileEditorMapping An association between a file name/extension and a list of known editors for files of that type.
IFolderLayout An IFolderLayout is used to define the initial views within a folder.
IImportWizard Interface for import wizards.
IInPlaceEditor Interface for editor parts that represent an in-place style editor.
IInPlaceEditorInput This interface defines an editor input for in-place editors.
IKeyBindingService Deprecated. See IContextService to manage scopes and IHandlerService to manage handlers.
ILocalWorkingSetManager A local working set manager can be used to manage a set of working sets independently from the working sets managed by the global working set manager.
IMarkerActionFilter Describes the public attributes for a marker and the acceptable values each may have.
IMarkerHelpRegistry Registry of F1 help contexts and resolutions for markers.
IMarkerResolution Resolution for a marker.
IMarkerResolution2 Extends IMarkerResolution.
IMarkerResolutionGenerator Creates resolutions for a given marker.
IMarkerResolutionGenerator2 A marker resolution generator should implement this interface rather than IMarkerResolutionGenerator if it can determine whether a particular marker has any resolutions more efficiently than computing all the resolutions.
IMemento Interface to a memento used for saving the important state of an object in a form that can be persisted in the file system.
INavigationHistory Manages a list of entries to keep a history of locations on editors, enabling the user to go back and forward without losing context.
INavigationLocation Represents the context marked for the user in the navigation history.
INavigationLocationProvider Should be implemented by editors that wish to contribute to the navigation history.
INestableKeyBindingService Deprecated. This is now handled by IServiceLocator which can be nested.
INewWizard Interface for creation wizards.
INullSelectionListener Interface for listening to null selection changes.
IObjectActionDelegate Interface for an object action that is contributed into a popup menu for a view or editor.
IPageLayout A page layout defines the initial layout for a perspective within a page in a workbench window.
IPageListener Interface for listening to page lifecycle events.
IPageService A page service tracks the page and perspective lifecycle events within a workbench window.
IPartListener Interface for listening to part lifecycle events.
IPartListener2 Interface for listening to part lifecycle events.
IPartService A part service tracks the creation and activation of parts within a workbench page.
IPathEditorInput This interface defines an editor input based on the local file system path of a file.
IPersistable Objects implementing this interface are capable of saving their state in an IMemento.
IPersistableEditor An editor can implement this interface and participate in the workbench session save/restore cycle using IMemento, similar to how IViewPart currently works.
IPersistableElement Interface for asking an object to store its state in a memento.
IPerspectiveDescriptor A perspective descriptor describes a perspective in an IPerspectiveRegistry.
IPerspectiveFactory A perspective factory generates the initial page layout and visible action set for a page.
IPerspectiveListener Interface for listening to perspective lifecycle events.
IPerspectiveListener2 Extension interface to IPerspectiveListener which adds support for listening to part-specific perspective lifecycle events.
IPerspectiveListener3 Extension interface to IPerspectiveListener which adds support for listening to perspective open and close events.
IPerspectiveListener4 Extension interface to IPerspectiveListener which adds support for listening to perspective pre-deactivate events.
IPerspectiveRegistry The workbench's global registry of perspectives.
IPlaceholderFolderLayout An IPlaceholderFolderLayout is used to define the initial view placeholders within a folder.
IPluginContribution An interface that descriptor classes may implement in addition to their descriptor interface.
IProjectActionFilter Describes the public attributes for a project and the acceptable values each may have.
IPropertyListener Interface for listening for property changes on an object.
IResourceActionFilter Describes the public attributes for a resource and the acceptable values each may have.
IReusableEditor Interface for reusable editors.
ISaveableFilter A filter for selecting Saveables.
ISaveablePart Workbench parts implement or adapt to this interface to participate in the enablement and execution of the Save and Save As actions.
ISaveablePart2 Workbench parts implement or adapt to this interface to participate in actions that require a prompt for the user to provide input on what to do with unsaved data when the part is closed or the Workbench is shut down.
ISaveablesLifecycleListener Listener for events fired by implementers of ISaveablesSource.
ISaveablesSource Represents a source of Saveable objects (units of saveability).
ISelectionListener Interface for listening to selection changes.
ISelectionService A selection service tracks the selection within an object.
ISharedImages A registry for common images used by the workbench which may be useful to other plug-ins.
IShowEditorInput Shows the given editor input.
ISizeProvider Interface implemented by objects that are capable of computing a preferred size
ISourceProvider A provider of notifications for when a change has occurred to a particular type of source.
ISourceProviderListener A listener to changes in a particular source of information.
ISources A source is type of event change that can occur within the workbench.
IStartup Plug-ins that register a startup extension will be activated after the Workbench initializes and have an opportunity to run code that can't be implemented using the normal contribution mechanisms.
IStorageEditorInput Interface for a IStorage input to an editor.
IURIEditorInput This interface defines an editor input based on a URI.
IViewActionDelegate Interface for an action that is contributed into a view's local tool bar, pulldown menu, or popup menu.
IViewLayout Represents the layout info for a view or placeholder in an IPageLayout.
IViewPart A view is a visual component within a workbench page.
IViewReference Defines a reference to an IViewPart.
IViewSite The primary interface between a view part and the workbench.
IWindowListener Interface for listening to window lifecycle events.
IWorkbench A workbench is the root object for the Eclipse Platform user interface.
IWorkbenchActionConstants Action ids for standard actions, groups in the workbench menu bar, and global actions.
IWorkbenchCommandConstants Constants for all commands defined by the Eclipse workbench.
IWorkbenchListener Interface for listening to workbench lifecycle events.
IWorkbenchPage A workbench page consists of an arrangement of views and editors intended to be presented together to the user in a single workbench window.
IWorkbenchPart A workbench part is a visual component within a workbench page.
IWorkbenchPart2 Extends IWorkbenchPart, adding the name and status text properties.
IWorkbenchPart3 A part can provide arbitrary properties.
IWorkbenchPartConstants This interface describes the constants used for IWorkbenchPart properties.
IWorkbenchPartDescriptor Description of a workbench part.
IWorkbenchPartReference Implements a reference to a IWorkbenchPart.
IWorkbenchPartSite The primary interface between a workbench part and the workbench.
IWorkbenchPreferenceConstants Preference ids exposed by the Eclipse Platform User Interface.
IWorkbenchPreferencePage Interface for workbench preference pages.
IWorkbenchPropertyPage Interface for workbench property pages.
IWorkbenchSite The common interface between the workbench and its parts, including pages within parts.
IWorkbenchWindow A workbench window is a top level window in a workbench.
IWorkbenchWindowActionDelegate Interface for an action that is contributed into the workbench window menu or tool bar.
IWorkbenchWindowPulldownDelegate Interface for a pulldown action that is contributed into the workbench window tool bar.
IWorkbenchWindowPulldownDelegate2 Extension of IWorkbenchWindowPulldownDelegate that allows the delegate dropdown menu to be a child of a Menu item.
IWorkbenchWizard Implementors represent creation wizards that are to be contributed to the workbench's creation wizard extension point.
IWorkingSet A working set holds a number of IAdaptable elements.
IWorkingSetElementAdapter Interface that describes a mechanism that may be provided by working set extensions to help manage the addition of elements to working sets.
IWorkingSetManager A working set manager stores working sets and provides property change notification when a working set is added or removed.
IWorkingSetUpdater An IWorkingSetUpdater can be used to dynamically update the content of a working set.
 

Class Summary
AbstractSourceProvider An implementation of ISourceProvider that provides listener support.
ActiveShellExpression An expression that checks the active shell variable.
BasicWorkingSetElementAdapter Basic IWorkingSetElementAdapter implementation that allows plugins to decribe simple declarative element adapters.
ExtensionFactory Factory for the workbench's public extensions.
LegacyHandlerSubmissionExpression An expression encapsulating all of the information from legacy handler submissions.
NavigationLocation Default implementation of INavigationLocation.
OpenAndLinkWithEditorHelper Helper for opening editors on the viewer's selection and link the selection with the editor.
PerspectiveAdapter This adapter class provides default implementations for the methods described by the IPerspectiveListener interface and its extension interfaces.
PlatformUI The central class for access to the Eclipse Platform User Interface.
ResourceWorkingSetFilter A resource working set filter filters resources from a view that are neither a parent nor children of a working set element.
Saveable A Saveable represents a unit of saveability, e.g. an editable subset of the underlying domain model that may contain unsaved changes.
SaveablesLifecycleEvent Event object describing a change to a set of Saveable objects.
SelectionEnabler Determines the enablement status given a selection.
SubActionBars Generic implementation of the IActionBars interface.
SubActionBars2 A implementation of the extended IActionBars2 interface.
WorkbenchEncoding WorkbenchEncoding is a utility class for plug-ins that want to use the list of encodings defined by default in the workbench.
XMLMemento This class represents the default implementation of the IMemento interface.
 

Exception Summary
MultiPartInitException A checked exception indicating one or more workbench parts could not be initialized correctly.
PartInitException A checked exception indicating a workbench part cannot be initialized correctly.
WorkbenchException A checked exception indicating a recoverable error occured internal to the workbench.
 

Package org.eclipse.ui Description

Application programming interfaces for interaction with and extension of the Eclipse Platform User Interface.

Package Specification

This package provides application programming interfaces for interaction with and extension of the Eclipse Platform User Interface.

The PlatformUI class provides access to a single workbench.  A workbench is the root object for the UI and has one or more workbench windows.  Each workbench window has a collection of workbench pages, only one of which is active and visible to the end user.  Each workbench page has a collection of workbench parts.  A page's parts are arranged (tiled or stacked) for presentation on the screen.  Within a page and its parts the user can interact with and modify a model (typically resources in a workspace).   There are two kinds of workbench parts: views and editors.  An editor is typically used to edit or browse a document or input object.  A view is typically used to navigate a hierarchy of information (like the workspace), open an editor, or display properties for the active editor.

The platform creates a workbench when the workbench plug-in is activated.  Since this happens at most once during the life of the running platform, there is only one workbench instance. Due to its singular nature, it is commonly referred to as the workbench.

Within a workbench the user will interact with many different resource types.  Because different tools are required for each, the workbench defines a number of extension points which allow for the integration of new tools.  There are extension points for views, editors, action sets, import wizards, export wizards, etc.
 


Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire