org.eclipse.emf.mwe.ewm.presentation
Class WorkflowEditor

java.lang.Object
  org.eclipse.core.commands.common.EventManager
      org.eclipse.ui.part.WorkbenchPart
          org.eclipse.ui.part.EditorPart
              org.eclipse.ui.part.MultiPageEditorPart
                  org.eclipse.emf.mwe.ewm.presentation.WorkflowEditor

All Implemented Interfaces:

org.eclipse.core.runtime.IAdaptable, org.eclipse.core.runtime.IExecutableExtension, org.eclipse.emf.common.ui.viewer.IViewerProvider, org.eclipse.emf.edit.domain.IEditingDomainProvider, org.eclipse.jface.action.IMenuListener, org.eclipse.jface.dialogs.IPageChangeProvider, org.eclipse.jface.viewers.ISelectionProvider, org.eclipse.ui.ide.IGotoMarker, org.eclipse.ui.IEditorPart, org.eclipse.ui.ISaveablePart, org.eclipse.ui.IWorkbenchPart, org.eclipse.ui.IWorkbenchPart2, org.eclipse.ui.IWorkbenchPart3, org.eclipse.ui.part.IWorkbenchPartOrientation

public class WorkflowEditor
extends org.eclipse.ui.part.MultiPageEditorPart
implements org.eclipse.emf.edit.domain.IEditingDomainProvider, org.eclipse.jface.viewers.ISelectionProvider, org.eclipse.jface.action.IMenuListener, org.eclipse.emf.common.ui.viewer.IViewerProvider, org.eclipse.ui.ide.IGotoMarker

This is an example of a Workflow model editor.

EMF generated code

Nested Class Summary

class

WorkflowEditor.ReverseAdapterFactoryContentProvider

Field Summary

protected org.eclipse.emf.edit.provider.ComposedAdapterFactory	adapterFactory This is the one adapter factory used for providing views of the model.
protected java.util.Collection<org.eclipse.emf.ecore.resource.Resource>	changedResources Resources that have been changed since last activation.
protected org.eclipse.ui.views.contentoutline.IContentOutlinePage	contentOutlinePage This is the content outline page.
protected org.eclipse.jface.action.IStatusLineManager	contentOutlineStatusLineManager This is a kludge...
protected org.eclipse.jface.viewers.TreeViewer	contentOutlineViewer This is the content outline page's viewer.
protected org.eclipse.jface.viewers.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 org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain	editingDomain This keeps track of the editing domain that is used to track all changes to the model.
protected org.eclipse.jface.viewers.ISelection	editorSelection This keeps track of the selection of the editor as a whole.
protected org.eclipse.emf.common.ui.MarkerHelper	markerHelper The MarkerHelper is responsible for creating workspace resource markers presented in Eclipse's Problems View.
protected org.eclipse.ui.IPartListener	partListener This listens for when the outline becomes active
protected org.eclipse.emf.ecore.util.EContentAdapter	problemIndicationAdapter Adapter used to update the problem indication when resources are demanded loaded.
protected org.eclipse.ui.views.properties.PropertySheetPage	propertySheetPage This is the property sheet page.
protected java.util.Collection<org.eclipse.emf.ecore.resource.Resource>	removedResources Resources that have been removed since last activation.
protected org.eclipse.core.resources.IResourceChangeListener	resourceChangeListener This listens for workspace changes.
protected java.util.Map<org.eclipse.emf.ecore.resource.Resource,org.eclipse.emf.common.util.Diagnostic>	resourceToDiagnosticMap Map to store the diagnostic associated with a resource.
protected java.util.Collection<org.eclipse.emf.ecore.resource.Resource>	savedResources Resources that have been saved.
protected org.eclipse.jface.viewers.ISelectionChangedListener	selectionChangedListener This listens to which ever viewer is active.
protected java.util.Collection<org.eclipse.jface.viewers.ISelectionChangedListener>	selectionChangedListeners This keeps track of all the ISelectionChangedListeners that are listening to this editor.
protected org.eclipse.jface.viewers.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

WorkflowEditor()
This creates a model editor.

Method Summary

void	addSelectionChangedListener(org.eclipse.jface.viewers.ISelectionChangedListener listener) This implements ISelectionProvider.
org.eclipse.emf.common.util.Diagnostic	analyzeResourceProblems(org.eclipse.emf.ecore.resource.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(org.eclipse.jface.viewers.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(org.eclipse.core.runtime.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(org.eclipse.emf.common.util.URI uri, org.eclipse.ui.IEditorInput editorInput)
protected void	firePropertyChange(int action) This is here for the listener to be able to call it.
org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor	getActionBarContributor()
org.eclipse.ui.IActionBars	getActionBars()
java.lang.Object	getAdapter(java.lang.Class key) This is how the framework determines which interfaces we implement.
org.eclipse.emf.common.notify.AdapterFactory	getAdapterFactory()
org.eclipse.ui.views.contentoutline.IContentOutlinePage	getContentOutlinePage() This accesses a cached version of the content outliner.
org.eclipse.emf.edit.domain.EditingDomain	getEditingDomain() This returns the editing domain as required by the IEditingDomainProvider interface.
org.eclipse.ui.views.properties.IPropertySheetPage	getPropertySheetPage() This accesses a cached version of the property sheet.
org.eclipse.jface.viewers.ISelection	getSelection() This implements ISelectionProvider to return this editor's overall selection.
org.eclipse.jface.viewers.Viewer	getViewer() This returns the viewer as required by the IViewerProvider interface.
void	gotoMarker(org.eclipse.core.resources.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(org.eclipse.jface.viewers.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(org.eclipse.ui.IEditorSite site, org.eclipse.ui.IEditorInput editorInput) This is called during startup.
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(org.eclipse.emf.ecore.resource.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(org.eclipse.jface.action.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(org.eclipse.jface.viewers.ISelectionChangedListener listener) This implements ISelectionProvider.
void	setCurrentViewer(org.eclipse.jface.viewers.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(org.eclipse.jface.viewers.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(org.eclipse.jface.viewers.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.

Methods inherited from class org.eclipse.ui.part.MultiPageEditorPart

activateSite, addPage, addPage, addPage, addPage, addPageChangedListener, createPageContainer, createPartControl, createSite, deactivateSite, findEditors, getActiveEditor, getActivePage, getContainer, getControl, getEditor, getPageCount, getPageImage, getPageSite, getPageText, getSelectedPage, handlePropertyChange, initializePageSwitching, removePage, removePageChangedListener, 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 org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain editingDomain

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

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adapterFactory

protected org.eclipse.emf.edit.provider.ComposedAdapterFactory adapterFactory

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

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contentOutlinePage

protected org.eclipse.ui.views.contentoutline.IContentOutlinePage contentOutlinePage

This is the content outline page.

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contentOutlineStatusLineManager

protected org.eclipse.jface.action.IStatusLineManager contentOutlineStatusLineManager

This is a kludge...

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contentOutlineViewer

protected org.eclipse.jface.viewers.TreeViewer contentOutlineViewer

This is the content outline page's viewer.

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propertySheetPage

protected org.eclipse.ui.views.properties.PropertySheetPage propertySheetPage

This is the property sheet page.

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selectionViewer

protected org.eclipse.jface.viewers.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.

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currentViewer

protected org.eclipse.jface.viewers.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.

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selectionChangedListener

protected org.eclipse.jface.viewers.ISelectionChangedListener selectionChangedListener

This listens to which ever viewer is active.

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selectionChangedListeners

protected java.util.Collection<org.eclipse.jface.viewers.ISelectionChangedListener> selectionChangedListeners

This keeps track of all the ISelectionChangedListeners that are listening to this editor.

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editorSelection

protected org.eclipse.jface.viewers.ISelection editorSelection

This keeps track of the selection of the editor as a whole.

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markerHelper

protected org.eclipse.emf.common.ui.MarkerHelper markerHelper

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

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partListener

protected org.eclipse.ui.IPartListener partListener

This listens for when the outline becomes active

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removedResources

protected java.util.Collection<org.eclipse.emf.ecore.resource.Resource> removedResources

Resources that have been removed since last activation.

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changedResources

protected java.util.Collection<org.eclipse.emf.ecore.resource.Resource> changedResources

Resources that have been changed since last activation.

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savedResources

protected java.util.Collection<org.eclipse.emf.ecore.resource.Resource> savedResources

Resources that have been saved.

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resourceToDiagnosticMap

protected java.util.Map<org.eclipse.emf.ecore.resource.Resource,org.eclipse.emf.common.util.Diagnostic> resourceToDiagnosticMap

Map to store the diagnostic associated with a resource.

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updateProblemIndication

protected boolean updateProblemIndication

Controls whether the problem indication should be updated.

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problemIndicationAdapter

protected org.eclipse.emf.ecore.util.EContentAdapter problemIndicationAdapter

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

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resourceChangeListener

protected org.eclipse.core.resources.IResourceChangeListener resourceChangeListener

This listens for workspace changes.

EMF generated code

Constructor Detail

WorkflowEditor

public WorkflowEditor()

This creates a model editor.

EMF generated code

Method Detail

handleActivate

protected void handleActivate()

Handles activation of the editor or it's associated views.

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handleChangedResources

protected void handleChangedResources()

Handles what to do with changed resources on activation.

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updateProblemIndication

protected void updateProblemIndication()

Updates the problems indication with the information described in the specified diagnostic.

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handleDirtyConflict

protected boolean handleDirtyConflict()

Shows a dialog that asks if conflicting changes should be discarded.

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initializeEditingDomain

protected void initializeEditingDomain()

This sets up the editing domain for the model editor.

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firePropertyChange

protected void firePropertyChange(int action)

This is here for the listener to be able to call it.

Overrides:

firePropertyChange in class org.eclipse.ui.part.WorkbenchPart

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setSelectionToViewer

public void setSelectionToViewer(java.util.Collection<?> collection)

This sets the selection into whichever viewer is active.

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getEditingDomain

public org.eclipse.emf.edit.domain.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 org.eclipse.emf.edit.domain.IEditingDomainProvider

EMF generated code

setCurrentViewer

public void setCurrentViewer(org.eclipse.jface.viewers.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.

EMF generated code

getViewer

public org.eclipse.jface.viewers.Viewer getViewer()

This returns the viewer as required by the IViewerProvider interface.

Specified by:

getViewer in interface org.eclipse.emf.common.ui.viewer.IViewerProvider

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createContextMenuFor

protected void createContextMenuFor(org.eclipse.jface.viewers.StructuredViewer viewer)

This creates a context menu for the viewer and adds a listener as well registering the menu for extension.

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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.

EMF generated code

NOT

analyzeResourceProblems

public org.eclipse.emf.common.util.Diagnostic analyzeResourceProblems(org.eclipse.emf.ecore.resource.Resource resource,
                                                                      java.lang.Exception exception)

Returns a diagnostic describing the errors and warnings listed in the resource and the specified exception (if any).

EMF generated code

createPages

public void createPages()

This is the method used by the framework to install your own controls.

Specified by:

createPages in class org.eclipse.ui.part.MultiPageEditorPart

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hideTabs

protected void hideTabs()

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

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showTabs

protected void showTabs()

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

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pageChange

protected void pageChange(int pageIndex)

This is used to track the active viewer.

Overrides:

pageChange in class org.eclipse.ui.part.MultiPageEditorPart

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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 org.eclipse.core.runtime.IAdaptable

Overrides:

getAdapter in class org.eclipse.ui.part.MultiPageEditorPart

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getContentOutlinePage

public org.eclipse.ui.views.contentoutline.IContentOutlinePage getContentOutlinePage()

This accesses a cached version of the content outliner.

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getPropertySheetPage

public org.eclipse.ui.views.properties.IPropertySheetPage getPropertySheetPage()

This accesses a cached version of the property sheet.

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handleContentOutlineSelection

public void handleContentOutlineSelection(org.eclipse.jface.viewers.ISelection selection)

This deals with how we want selection in the outliner to affect the other views.

EMF generated code

isDirty

public boolean isDirty()

This is for implementing IEditorPart and simply tests the command stack.

Specified by:

isDirty in interface org.eclipse.ui.ISaveablePart

Overrides:

isDirty in class org.eclipse.ui.part.MultiPageEditorPart

EMF generated code

doSave

public void doSave(org.eclipse.core.runtime.IProgressMonitor progressMonitor)

This is for implementing IEditorPart and simply saves the model file.

Specified by:

doSave in interface org.eclipse.ui.ISaveablePart

Specified by:

doSave in class org.eclipse.ui.part.EditorPart

EMF generated code

NOT

isPersisted

protected boolean isPersisted(org.eclipse.emf.ecore.resource.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.

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isSaveAsAllowed

public boolean isSaveAsAllowed()

This always returns true because it is not currently supported.

Specified by:

isSaveAsAllowed in interface org.eclipse.ui.ISaveablePart

Specified by:

isSaveAsAllowed in class org.eclipse.ui.part.EditorPart

EMF generated code

doSaveAs

public void doSaveAs()

This also changes the editor's input.

Specified by:

doSaveAs in interface org.eclipse.ui.ISaveablePart

Specified by:

doSaveAs in class org.eclipse.ui.part.EditorPart

EMF generated code

doSaveAs

protected void doSaveAs(org.eclipse.emf.common.util.URI uri,
                        org.eclipse.ui.IEditorInput editorInput)

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gotoMarker

public void gotoMarker(org.eclipse.core.resources.IMarker marker)

Specified by:

gotoMarker in interface org.eclipse.ui.ide.IGotoMarker

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init

public void init(org.eclipse.ui.IEditorSite site,
                 org.eclipse.ui.IEditorInput editorInput)

This is called during startup.

Specified by:

init in interface org.eclipse.ui.IEditorPart

Overrides:

init in class org.eclipse.ui.part.MultiPageEditorPart

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setFocus

public void setFocus()

Specified by:

setFocus in interface org.eclipse.ui.IWorkbenchPart

Overrides:

setFocus in class org.eclipse.ui.part.MultiPageEditorPart

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addSelectionChangedListener

public void addSelectionChangedListener(org.eclipse.jface.viewers.ISelectionChangedListener listener)

This implements ISelectionProvider.

Specified by:

addSelectionChangedListener in interface org.eclipse.jface.viewers.ISelectionProvider

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removeSelectionChangedListener

public void removeSelectionChangedListener(org.eclipse.jface.viewers.ISelectionChangedListener listener)

This implements ISelectionProvider.

Specified by:

removeSelectionChangedListener in interface org.eclipse.jface.viewers.ISelectionProvider

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getSelection

public org.eclipse.jface.viewers.ISelection getSelection()

This implements ISelectionProvider to return this editor's overall selection.

Specified by:

getSelection in interface org.eclipse.jface.viewers.ISelectionProvider

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setSelection

public void setSelection(org.eclipse.jface.viewers.ISelection selection)

This implements ISelectionProvider to set this editor's overall selection. Calling this result will notify the listeners.

Specified by:

setSelection in interface org.eclipse.jface.viewers.ISelectionProvider

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setStatusLineManager

public void setStatusLineManager(org.eclipse.jface.viewers.ISelection selection)

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menuAboutToShow

public void menuAboutToShow(org.eclipse.jface.action.IMenuManager menuManager)

This implements IMenuListener to help fill the context menus with contributions from the Edit menu.

Specified by:

menuAboutToShow in interface org.eclipse.jface.action.IMenuListener

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getActionBarContributor

public org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor getActionBarContributor()

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getActionBars

public org.eclipse.ui.IActionBars getActionBars()

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getAdapterFactory

public org.eclipse.emf.common.notify.AdapterFactory getAdapterFactory()

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dispose

public void dispose()

Specified by:

dispose in interface org.eclipse.ui.IWorkbenchPart

Overrides:

dispose in class org.eclipse.ui.part.MultiPageEditorPart

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showOutlineView

protected boolean showOutlineView()

Returns whether the outline view should be presented to the user.

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