psdi.webclient.applet.wfcanvas.editor

Class WorkflowEditor

java.lang.Object

psdi.webclient.applet.wfcanvas.editor.WorkflowEditor

public class WorkflowEditor
extends java.lang.Object

This class handles the editing operations on a workflow

Constructor Summary

Constructors

Constructor and Description
WorkflowEditor() Constructs a workflow editor
WorkflowEditor(Workflow workflow)

Method Summary

Modifier and Type	Method and Description
void	add(WorkflowEntity entity) Adds a node or relationship
void	addWorkflowEditListener(WorkflowEditListener listener) Adds a listener to the editor
void	clearChanges() Sets the saved state
void	delete() Deletes the currently selected object
void	delete(WorkflowEntity entity) Deletes the entity
WorkflowEntity	getSelected() Gets the selected entity
int	getTimestamp() Gets the current timestamp - this is used by the undo code to restore a set of changes
int	getTopTimestamp() Returns the time stamp of the entry on the top of the stack or zero if no entries.
boolean	hasChanges() Tests the saved state
boolean	hasUndoEntries() Gets the state of the undo stack
void	move(int column, int row) Moves the currently selected object
void	move(WorkflowEntity entity, int column, int row) Moves the entity
void	removeWorkflowEditListener(WorkflowEditListener listener) Removes a listener from the editor
void	setEditable(boolean editable) Constructs a workflow editor for a workflow
void	setSelected(WorkflowEntity selection, boolean user) Sets the selected entity - a node or a relationship
boolean	undo() Undo one frame on the stack

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WorkflowEditor

public WorkflowEditor()

Constructs a workflow editor

WorkflowEditor

public WorkflowEditor(Workflow workflow)

Method Detail

setEditable

public void setEditable(boolean editable)

Constructs a workflow editor for a workflow

Parameters:

workflow - The workflow to edit

getTimestamp

public int getTimestamp()

Gets the current timestamp - this is used by the undo code to restore a set of changes

Returns:

the timestamp

hasUndoEntries

public boolean hasUndoEntries()

Gets the state of the undo stack

Returns:

True if there are items on the undo stack

undo

public boolean undo()

Undo one frame on the stack

Returns:

Return true if a frame is restored and false if not

getTopTimestamp

public int getTopTimestamp()

Returns the time stamp of the entry on the top of the stack or zero if no entries.

Returns:

Time stamp of top item

addWorkflowEditListener

public void addWorkflowEditListener(WorkflowEditListener listener)

Adds a listener to the editor

Parameters:

listener - The workflow edit listener

removeWorkflowEditListener

public void removeWorkflowEditListener(WorkflowEditListener listener)

Removes a listener from the editor

Parameters:

listener - The workflow edit listener

setSelected

public void setSelected(WorkflowEntity selection,
                        boolean user)

Sets the selected entity - a node or a relationship

Parameters:

o - The entity to selected

getSelected

public WorkflowEntity getSelected()

Gets the selected entity

Returns:

The selected entity

add

public void add(WorkflowEntity entity)

Adds a node or relationship

Parameters:

o - The object to add

delete

public void delete()

Deletes the currently selected object

delete

public void delete(WorkflowEntity entity)

Deletes the entity

Parameters:

entity - The entity to delete

move

public void move(int column,
                 int row)

Moves the currently selected object

Parameters:

row - The new row

column - The new column

move

public void move(WorkflowEntity entity,
                 int column,
                 int row)

Moves the entity

Parameters:

entity - The entity to delete

row - The new row

column - The new column

hasChanges

public boolean hasChanges()

Tests the saved state

clearChanges

public void clearChanges()

Sets the saved state