org.eclipse.emf.codegen.ecore.genmodel.presentation
Class GenModelEditor

java.lang.Object
  extended by org.eclipse.core.commands.common.EventManager
      extended by org.eclipse.ui.part.WorkbenchPart
          extended by org.eclipse.ui.part.EditorPart
              extended by org.eclipse.ui.part.MultiPageEditorPart
                  extended by org.eclipse.emf.codegen.ecore.genmodel.presentation.GenModelEditor
All Implemented Interfaces:
IAdaptable, IExecutableExtension, IViewerProvider, IEditingDomainProvider, IMenuListener, ISelectionProvider, IGotoMarker, IEditorPart, ISaveablePart, IWorkbenchPart, IWorkbenchPart2, IWorkbenchPart3, IWorkbenchPartOrientation

public class GenModelEditor
extends MultiPageEditorPart
implements IEditingDomainProvider, ISelectionProvider, IMenuListener, IViewerProvider, IGotoMarker

This is an example of a GenModel model editor.


Nested Class Summary
 class GenModelEditor.ReverseAdapterFactoryContentProvider
           
 
Field Summary
protected  ComposedAdapterFactory adapterFactory
          This is the one adapter factory used for providing views of the model
protected  java.util.Collection<Resource> changedResources
          Resources that have been changed since last activation
protected  IContentOutlinePage contentOutlinePage
          This is the content outline page
protected  IStatusLineManager contentOutlineStatusLineManager
          This is a kludge
protected  TreeViewer contentOutlineViewer
          This is the content outline page's viewer
protected  Viewer currentViewer
          This keeps track of the active content viewer, which may be either one of the viewers in the pages or the content outline viewer
protected  AdapterFactoryEditingDomain editingDomain
          This keeps track of the editing domain that is used to track all changes to the model
protected  ISelection editorSelection
          This keeps track of the selection of the editor as a whole
protected  Generator generator
           
protected  MarkerHelper markerHelper
          The MarkerHelper is responsible for creating workspace resource markers presented in Eclipse's Problems View
protected  IPartListener partListener
          This listens for when the outline becomes active
protected  EContentAdapter problemIndicationAdapter
          Adapter used to update the problem indication when resources are demanded loaded
protected  PropertySheetPage propertySheetPage
          This is the property sheet page
protected  java.util.Collection<Resource> removedResources
          Resources that have been removed since last activation
protected  IResourceChangeListener resourceChangeListener
          This listens for workspace changes
protected  java.util.Map<Resource,Diagnostic> resourceToDiagnosticMap
          Map to store the diagnostic associated with a resource
protected  java.util.Collection<Resource> savedResources
          Resources that have been saved
protected  ISelectionChangedListener selectionChangedListener
          This listens to which ever viewer is active
protected  java.util.Collection<ISelectionChangedListener> selectionChangedListeners
          This keeps track of all the ISelectionChangedListeners that are listening to this editor
protected  TreeViewer selectionViewer
          This is the viewer that shadows the selection in the content outline.
protected  boolean updateProblemIndication
          Controls whether the problem indication should be updated
 
Fields inherited from class org.eclipse.ui.part.MultiPageEditorPart
PAGE_CONTAINER_SITE
 
Fields inherited from interface org.eclipse.ui.IEditorPart
PROP_DIRTY, PROP_INPUT
 
Fields inherited from interface org.eclipse.ui.IWorkbenchPart
PROP_TITLE
 
Constructor Summary
GenModelEditor()
          This creates a model editor
 
Method Summary
 void addSelectionChangedListener(ISelectionChangedListener listener)
          This implements ISelectionProvider
 Diagnostic analyzeResourceProblems(Resource resource, java.lang.Exception exception)
          Returns a diagnostic describing the errors and warnings listed in the resource and the specified exception (if any)
protected  void createContextMenuFor(StructuredViewer viewer)
           
protected  void createContextMenuForGen(StructuredViewer viewer)
          This creates a context menu for the viewer and adds a listener as well registering the menu for extension
 void createModel()
          This is the method called to load a resource into the editing domain's resource set based on the editor's input
 void createPages()
          This is the method used by the framework to install your own controls
 void dispose()
           
 void doSave(IProgressMonitor progressMonitor)
          This is for implementing IEditorPart and simply saves the model file
 void doSaveAs()
          This also changes the editor's input
protected  void doSaveAs(URI uri, IEditorInput editorInput)
           
protected  void firePropertyChange(int action)
          This is here for the listener to be able to call it
 EditingDomainActionBarContributor getActionBarContributor()
           
 IActionBars getActionBars()
           
 java.lang.Object getAdapter(java.lang.Class key)
          This is how the framework determines which interfaces we implement
 AdapterFactory getAdapterFactory()
           
 IContentOutlinePage getContentOutlinePage()
          This accesses a cached version of the content outliner
 EditingDomain getEditingDomain()
          This returns the editing domain as required by the IEditingDomainProvider interface.
 Generator getGenerator()
           
 IPropertySheetPage getPropertySheetPage()
          This accesses a cached version of the property sheet
 ISelection getSelection()
          This implements ISelectionProvider to return this editor's overall selection
 Viewer getViewer()
          This returns the viewer as required by the IViewerProvider interface
 void gotoMarker(IMarker marker)
           
protected  void handleActivate()
          Handles activation of the editor or it's associated views
protected  void handleChangedResources()
          Handles what to do with changed resources on activation
 void handleContentOutlineSelection(ISelection selection)
          This deals with how we want selection in the outliner to affect the other views
protected  boolean handleDirtyConflict()
          Shows a dialog that asks if conflicting changes should be discarded
protected  void hideTabs()
          If there is just one page in the multi-page editor part, this hides the single tab at the bottom
 void init(IEditorSite site, IEditorInput editorInput)
          This is called during startup
protected  void initialize(GenModel genModel)
           
protected  void initializeEditingDomain()
          This sets up the editing domain for the model editor
 boolean isDirty()
          This is for implementing IEditorPart and simply tests the command stack
protected  boolean isPersisted(Resource resource)
          This returns whether something has been persisted to the URI of the specified resource.
 boolean isSaveAsAllowed()
          This always returns true because it is not currently supported
 void menuAboutToShow(IMenuManager menuManager)
          This implements IMenuListener to help fill the context menus with contributions from the Edit menu
protected  void pageChange(int pageIndex)
          This is used to track the active viewer
 void removeSelectionChangedListener(ISelectionChangedListener listener)
          This implements ISelectionProvider
 void setCurrentViewer(Viewer viewer)
          This makes sure that one content viewer, either for the current page or the outline view, if it has focus, is the current one
 void setFocus()
           
 void setSelection(ISelection selection)
          This implements ISelectionProvider to set this editor's overall selection.
 void setSelectionToViewer(java.util.Collection<?> collection)
          This sets the selection into whichever viewer is active
 void setStatusLineManager(ISelection selection)
           
protected  boolean showOutlineView()
          Returns whether the outline view should be presented to the user
protected  void showTabs()
          If there is more than one page in the multi-page editor part, this shows the tabs at the bottom
protected  void updateProblemIndication()
          Updates the problems indication with the information described in the specified diagnostic
 void validate()
           
 
Methods inherited from class org.eclipse.ui.part.MultiPageEditorPart
activateSite, addPage, addPage, addPage, addPage, createPageContainer, createPartControl, createSite, deactivateSite, findEditors, getActiveEditor, getActivePage, getContainer, getControl, getEditor, getPageCount, getPageImage, getPageSite, getPageText, handlePropertyChange, initializePageSwitching, removePage, setActiveEditor, setActivePage, setControl, setPageImage, setPageText
 
Methods inherited from class org.eclipse.ui.part.EditorPart
checkSite, getEditorInput, getEditorSite, getTitleToolTip, isSaveOnCloseNeeded, setContentDescription, setInitializationData, setInput, setInputWithNotify, setPartName
 
Methods inherited from class org.eclipse.ui.part.WorkbenchPart
addPartPropertyListener, addPropertyListener, firePartPropertyChanged, getConfigurationElement, getContentDescription, getDefaultImage, getOrientation, getPartName, getPartProperties, getPartProperty, getSite, getTitle, getTitleImage, removePartPropertyListener, removePropertyListener, setPartProperty, setSite, setTitle, setTitleImage, setTitleToolTip, showBusy
 
Methods inherited from class org.eclipse.core.commands.common.EventManager
addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.eclipse.ui.IWorkbenchPart
addPropertyListener, getSite, getTitle, getTitleImage, removePropertyListener
 

Field Detail

editingDomain

protected AdapterFactoryEditingDomain editingDomain
This keeps track of the editing domain that is used to track all changes to the model.


adapterFactory

protected ComposedAdapterFactory adapterFactory
This is the one adapter factory used for providing views of the model.


contentOutlinePage

protected IContentOutlinePage contentOutlinePage
This is the content outline page.


contentOutlineStatusLineManager

protected IStatusLineManager contentOutlineStatusLineManager
This is a kludge...


contentOutlineViewer

protected TreeViewer contentOutlineViewer
This is the content outline page's viewer.


propertySheetPage

protected PropertySheetPage propertySheetPage
This is the property sheet page.


selectionViewer

protected TreeViewer selectionViewer
This is the viewer that shadows the selection in the content outline. The parent relation must be correctly defined for this to work.


currentViewer

protected Viewer currentViewer
This keeps track of the active content viewer, which may be either one of the viewers in the pages or the content outline viewer.


selectionChangedListener

protected ISelectionChangedListener selectionChangedListener
This listens to which ever viewer is active.


selectionChangedListeners

protected java.util.Collection<ISelectionChangedListener> selectionChangedListeners
This keeps track of all the ISelectionChangedListeners that are listening to this editor.


editorSelection

protected ISelection editorSelection
This keeps track of the selection of the editor as a whole.


markerHelper

protected MarkerHelper markerHelper
The MarkerHelper is responsible for creating workspace resource markers presented in Eclipse's Problems View.


partListener

protected IPartListener partListener
This listens for when the outline becomes active


removedResources

protected java.util.Collection<Resource> removedResources
Resources that have been removed since last activation.


changedResources

protected java.util.Collection<Resource> changedResources
Resources that have been changed since last activation.


savedResources

protected java.util.Collection<Resource> savedResources
Resources that have been saved.


resourceToDiagnosticMap

protected java.util.Map<Resource,Diagnostic> resourceToDiagnosticMap
Map to store the diagnostic associated with a resource.


updateProblemIndication

protected boolean updateProblemIndication
Controls whether the problem indication should be updated.


problemIndicationAdapter

protected EContentAdapter problemIndicationAdapter
Adapter used to update the problem indication when resources are demanded loaded.


resourceChangeListener

protected IResourceChangeListener resourceChangeListener
This listens for workspace changes.


generator

protected Generator generator
Constructor Detail

GenModelEditor

public GenModelEditor()
This creates a model editor.

Method Detail

handleActivate

protected void handleActivate()
Handles activation of the editor or it's associated views.


handleChangedResources

protected void handleChangedResources()
Handles what to do with changed resources on activation.


initialize

protected void initialize(GenModel genModel)

updateProblemIndication

protected void updateProblemIndication()
Updates the problems indication with the information described in the specified diagnostic.


handleDirtyConflict

protected boolean handleDirtyConflict()
Shows a dialog that asks if conflicting changes should be discarded.


initializeEditingDomain

protected void initializeEditingDomain()
This sets up the editing domain for the model editor.


firePropertyChange

protected void firePropertyChange(int action)
This is here for the listener to be able to call it.

Overrides:
firePropertyChange in class WorkbenchPart

setSelectionToViewer

public void setSelectionToViewer(java.util.Collection<?> collection)
This sets the selection into whichever viewer is active.


getEditingDomain

public EditingDomain getEditingDomain()
This returns the editing domain as required by the IEditingDomainProvider interface. This is important for implementing the static methods of AdapterFactoryEditingDomain and for supporting CommandAction.

Specified by:
getEditingDomain in interface IEditingDomainProvider

setCurrentViewer

public void setCurrentViewer(Viewer viewer)
This makes sure that one content viewer, either for the current page or the outline view, if it has focus, is the current one.


getViewer

public Viewer getViewer()
This returns the viewer as required by the IViewerProvider interface.

Specified by:
getViewer in interface IViewerProvider

createContextMenuForGen

protected void createContextMenuForGen(StructuredViewer viewer)
This creates a context menu for the viewer and adds a listener as well registering the menu for extension.


createContextMenuFor

protected void createContextMenuFor(StructuredViewer viewer)

createModel

public void createModel()
This is the method called to load a resource into the editing domain's resource set based on the editor's input.


analyzeResourceProblems

public Diagnostic analyzeResourceProblems(Resource resource,
                                          java.lang.Exception exception)
Returns a diagnostic describing the errors and warnings listed in the resource and the specified exception (if any).


createPages

public void createPages()
This is the method used by the framework to install your own controls.

Specified by:
createPages in class MultiPageEditorPart

hideTabs

protected void hideTabs()
If there is just one page in the multi-page editor part, this hides the single tab at the bottom.


showTabs

protected void showTabs()
If there is more than one page in the multi-page editor part, this shows the tabs at the bottom.


pageChange

protected void pageChange(int pageIndex)
This is used to track the active viewer.

Overrides:
pageChange in class MultiPageEditorPart

getAdapter

public java.lang.Object getAdapter(java.lang.Class key)
This is how the framework determines which interfaces we implement.

Specified by:
getAdapter in interface IAdaptable
Overrides:
getAdapter in class MultiPageEditorPart

getContentOutlinePage

public IContentOutlinePage getContentOutlinePage()
This accesses a cached version of the content outliner.


getPropertySheetPage

public IPropertySheetPage getPropertySheetPage()
This accesses a cached version of the property sheet.


handleContentOutlineSelection

public void handleContentOutlineSelection(ISelection selection)
This deals with how we want selection in the outliner to affect the other views.


isDirty

public boolean isDirty()
This is for implementing IEditorPart and simply tests the command stack.

Specified by:
isDirty in interface ISaveablePart
Overrides:
isDirty in class MultiPageEditorPart

doSave

public void doSave(IProgressMonitor progressMonitor)
This is for implementing IEditorPart and simply saves the model file.

Specified by:
doSave in interface ISaveablePart
Specified by:
doSave in class EditorPart

isPersisted

protected boolean isPersisted(Resource resource)
This returns whether something has been persisted to the URI of the specified resource. The implementation uses the URI converter from the editor's resource set to try to open an input stream.


isSaveAsAllowed

public boolean isSaveAsAllowed()
This always returns true because it is not currently supported.

Specified by:
isSaveAsAllowed in interface ISaveablePart
Specified by:
isSaveAsAllowed in class EditorPart

doSaveAs

public void doSaveAs()
This also changes the editor's input.

Specified by:
doSaveAs in interface ISaveablePart
Specified by:
doSaveAs in class EditorPart

doSaveAs

protected void doSaveAs(URI uri,
                        IEditorInput editorInput)


gotoMarker

public void gotoMarker(IMarker marker)

Specified by:
gotoMarker in interface IGotoMarker

init

public void init(IEditorSite site,
                 IEditorInput editorInput)
          throws PartInitException,
                 PartInitException,
                 PartInitException,
                 PartInitException,
                 PartInitException,
                 PartInitException,
                 PartInitException,
                 PartInitException,
                 PartInitException,
                 PartInitException
This is called during startup.

Specified by:
init in interface IEditorPart
Overrides:
init in class MultiPageEditorPart
Throws:
PartInitException

setFocus

public void setFocus()

Specified by:
setFocus in interface IWorkbenchPart
Overrides:
setFocus in class MultiPageEditorPart

addSelectionChangedListener

public void addSelectionChangedListener(ISelectionChangedListener listener)
This implements ISelectionProvider.

Specified by:
addSelectionChangedListener in interface ISelectionProvider

removeSelectionChangedListener

public void removeSelectionChangedListener(ISelectionChangedListener listener)
This implements ISelectionProvider.

Specified by:
removeSelectionChangedListener in interface ISelectionProvider

getSelection

public ISelection getSelection()
This implements ISelectionProvider to return this editor's overall selection.

Specified by:
getSelection in interface ISelectionProvider

setSelection

public void setSelection(ISelection selection)
This implements ISelectionProvider to set this editor's overall selection. Calling this result will notify the listeners.

Specified by:
setSelection in interface ISelectionProvider

setStatusLineManager

public void setStatusLineManager(ISelection selection)


menuAboutToShow

public void menuAboutToShow(IMenuManager menuManager)
This implements IMenuListener to help fill the context menus with contributions from the Edit menu.

Specified by:
menuAboutToShow in interface IMenuListener

getActionBarContributor

public EditingDomainActionBarContributor getActionBarContributor()


getActionBars

public IActionBars getActionBars()


getAdapterFactory

public AdapterFactory getAdapterFactory()


dispose

public void dispose()

Specified by:
dispose in interface IWorkbenchPart
Overrides:
dispose in class MultiPageEditorPart

showOutlineView

protected boolean showOutlineView()
Returns whether the outline view should be presented to the user.


validate

public void validate()

getGenerator

public Generator getGenerator()

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All Rights Reserved.