org.drools.eclipse.editors.rete
Class ReteViewer

java.lang.Object
  org.eclipse.core.commands.common.EventManager
      org.eclipse.ui.part.WorkbenchPart
          org.eclipse.ui.part.EditorPart
              org.eclipse.gef.ui.parts.GraphicalEditor
                  org.drools.eclipse.editors.rete.ReteViewer

All Implemented Interfaces:

EventListener, org.eclipse.core.runtime.IAdaptable, org.eclipse.core.runtime.IExecutableExtension, org.eclipse.gef.commands.CommandStackListener, org.eclipse.ui.IEditorPart, org.eclipse.ui.ISaveablePart, org.eclipse.ui.ISelectionListener, org.eclipse.ui.IWorkbenchPart, org.eclipse.ui.IWorkbenchPart2, org.eclipse.ui.IWorkbenchPart3, org.eclipse.ui.part.IWorkbenchPartOrientation

public class ReteViewer
extends org.eclipse.gef.ui.parts.GraphicalEditor

GEF-based RETE Viewer

Field Summary

static String

MSG_PARSE_ERROR

Fields inherited from interface org.eclipse.ui.IEditorPart

PROP_DIRTY, PROP_INPUT

Fields inherited from interface org.eclipse.ui.IWorkbenchPart

PROP_TITLE

Constructor Summary

ReteViewer(DRLRuleEditor drlEditor)
Constructor.

Method Summary

protected void	configureGraphicalViewer()
void	doSave(org.eclipse.core.runtime.IProgressMonitor monitor) No save operation in ReteViewer
void	drawGraph(ReteGraph newGraph) Draws graph.
void	fireDocumentChanged() Fired when underlying source is modified.
Object	getAdapter(Class type)
protected void	initializeGraphicalViewer() Loads Rete model and initializes zoom manager.
boolean	isDirty() ReteViewer is never dirty.
ReteGraph	loadReteModel(org.eclipse.core.runtime.IProgressMonitor monitor, String contents) Loads model from rule base, calculates rete view and initializes diagram model.

Methods inherited from class org.eclipse.gef.ui.parts.GraphicalEditor

commandStackChanged, createActions, createGraphicalViewer, createPartControl, dispose, doSaveAs, firePropertyChange, getActionRegistry, getCommandStack, getEditDomain, getGraphicalViewer, getPropertyActions, getSelectionActions, getSelectionSynchronizer, getStackActions, hookGraphicalViewer, init, initializeActionRegistry, isSaveAsAllowed, selectionChanged, setActionRegistry, setEditDomain, setFocus, setGraphicalViewer, updateActions

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

MSG_PARSE_ERROR

public static final String MSG_PARSE_ERROR

See Also:

Constant Field Values

Constructor Detail

ReteViewer

public ReteViewer(DRLRuleEditor drlEditor)

Constructor.

Parameters:

documentProvider - documentProvider must contain Document with rules.

Method Detail

configureGraphicalViewer

protected void configureGraphicalViewer()

Overrides:

configureGraphicalViewer in class org.eclipse.gef.ui.parts.GraphicalEditor

getAdapter

public Object getAdapter(Class type)

Specified by:

getAdapter in interface org.eclipse.core.runtime.IAdaptable

Overrides:

getAdapter in class org.eclipse.gef.ui.parts.GraphicalEditor

loadReteModel

public ReteGraph loadReteModel(org.eclipse.core.runtime.IProgressMonitor monitor,
                               String contents)
                        throws Throwable

Loads model from rule base, calculates rete view and initializes diagram model.

Parameters:

monitor -

contents -

Returns:

Throws:

Throwable

initializeGraphicalViewer

protected void initializeGraphicalViewer()

Loads Rete model and initializes zoom manager.

Specified by:

initializeGraphicalViewer in class org.eclipse.gef.ui.parts.GraphicalEditor

doSave

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

No save operation in ReteViewer

Specified by:

doSave in interface org.eclipse.ui.ISaveablePart

Specified by:

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

isDirty

public boolean isDirty()

ReteViewer is never dirty. This prevents editor close mechanism to ask file save confirmation even after one of the vertices is moved.

Specified by:

isDirty in interface org.eclipse.ui.ISaveablePart

Overrides:

isDirty in class org.eclipse.gef.ui.parts.GraphicalEditor

fireDocumentChanged

public void fireDocumentChanged()

Fired when underlying source is modified. Marks graph viewer to be relayouted when activated.

drawGraph

public void drawGraph(ReteGraph newGraph)

Draws graph.

Parameters:

newGraph - used to replace existing graph. if null then existing graph is simply redrawn.