psdi.webclient.applet.wfcanvas.diagram.editable

Class EditableDiagram

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

javax.swing.JPanel

psdi.webclient.applet.wfcanvas.diagram.Diagram

psdi.webclient.applet.wfcanvas.diagram.editable.EditableDiagram

All Implemented Interfaces:

java.awt.dnd.Autoscroll, java.awt.dnd.DropTargetListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.lang.Runnable, java.util.EventListener, javax.accessibility.Accessible, DnDContainer, WorkflowEditListener

public class EditableDiagram
extends Diagram
implements WorkflowEditListener, java.awt.dnd.Autoscroll, java.awt.dnd.DropTargetListener, java.lang.Runnable, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, DnDContainer

This class displays allows editing of a workflow diagram via an associated workflow editor

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Component

java.awt.Component.BaselineResizeBehavior

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ITEM_DRAW_LINE
static java.lang.String	ITEM_DRAW_NEGATIVE_LINE
static java.lang.String	ITEM_LINE
static java.lang.String	ITEM_NODE
static java.lang.String	ITEM_NORMAL
static java.lang.String	ITEM_TASK
static int	MODE_DRAW_LINE
static int	MODE_DRAW_NEGATIVE_LINE
static int	MODE_NORMAL

Fields inherited from class javax.swing.JComponent

TOOL_TIP_TEXT_KEY, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Constructors

Constructor and Description
EditableDiagram(Workflow workflow, WorkflowEditor editor, WorkflowApplet applet, boolean canEdit) Constructs the ditable diagram for a workflow using the editor

Method Summary

Modifier and Type	Method and Description
void	autoscroll(java.awt.Point p) Autoscroll the tree.
void	buildDiagram() Builds the diagram based on the current workflow and configuration.
void	clearCursor() Clears the container's cursor - this is necessary for the re-written DnD which doesn't use the system handler
void	dragEnter(java.awt.dnd.DropTargetDragEvent event) Called when drag enters the drop target
void	dragExit(java.awt.dnd.DropTargetEvent event) Called when drag leaves the drop target
void	dragOver(java.awt.dnd.DropTargetDragEvent event) Called when drag occurs
void	drop(java.awt.dnd.DropTargetDropEvent event) Called when a drop occurs
void	dropActionChanged(java.awt.dnd.DropTargetDragEvent event) Called when the drop action changes
void	dropComplete(WorkflowNode sourceNode, WorkflowNode dropNode) Called when one node is dropped over another
java.awt.Insets	getAutoscrollInsets() Returns the insets used by the drag/drop autoscrolling
java.awt.Cursor	getCursor(java.lang.String name) Gets a cursor for the diagram
int	getMode() Gets the diagram mode
java.awt.Cursor	getModeCursor() Gets the cursor for the current mode
java.awt.Dimension	getPreferredSize() Returns the preferred size - this is the diagram size + extra for adding/dragging nodes beyond the last nodes
java.awt.datatransfer.Transferable	getProxy(DiagramWorkflowNode node) Constructs the correct proxy for dragging
java.lang.String	getToolTip(java.lang.String name) Gets a tooltip for the diagram
boolean	isDragOk(java.awt.dnd.DropTargetDragEvent event) Checks whether the row is a valid drop site.
boolean	isDropSupported() Returns whether a node can be dropped on another in the container
void	mouseClicked(java.awt.event.MouseEvent e) Called when the mouse has been pressed and released Locate the rectangle within which the mouse is clicked and fire the action.
void	mouseDragged(java.awt.event.MouseEvent e) Called when the mouse is being dragged
void	mouseEntered(java.awt.event.MouseEvent e) Called when the mouse has entered the component
void	mouseExited(java.awt.event.MouseEvent e) Called when the mouse leaves the component
void	mouseMoved(java.awt.event.MouseEvent e) Called when the mouse has moved
void	mousePressed(java.awt.event.MouseEvent e) Called when the mouse is pressed.
void	mouseReleased(java.awt.event.MouseEvent e) Called when the mouse is released.
void	run() Run method - used to delay listener firing
void	setCursor(java.lang.String name, java.awt.Cursor cursor) Sets a cursor for the diagram
void	setMode(int mode) Sets the diagram mode
void	setScrollPane(javax.swing.JScrollPane scrollPane)
void	setSelection(WorkflowEntity selection, javax.swing.JScrollPane scrollPane) Sets the current selection for the diagram.
void	setToolTip(java.lang.String name, java.lang.String text) Sets a tooltip for the diagram
void	setWorkflow(Workflow workflow) Sets a new workflow
void	setWorkflow(Workflow workflow, WorkflowEditor editor, boolean canEdit)
void	workflowChanged(WorkflowEditEvent e) Called when the editor state changes

Methods inherited from class psdi.webclient.applet.wfcanvas.diagram.Diagram

addDiagramListener, addNode, getImage, removeDiagramListener, selectNode, setConfiguration, setCur

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintImmediately, paintImmediately, print, printAll, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validate

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, contains, createImage, createImage, createVolatileImage, createVolatileImage, dispatchEvent, enable, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Detail

ITEM_NODE

public static final java.lang.String ITEM_NODE

See Also:

Constant Field Values

ITEM_LINE

public static final java.lang.String ITEM_LINE

See Also:

Constant Field Values

ITEM_NORMAL

public static final java.lang.String ITEM_NORMAL

See Also:

Constant Field Values

ITEM_DRAW_LINE

public static final java.lang.String ITEM_DRAW_LINE

See Also:

Constant Field Values

ITEM_TASK

public static final java.lang.String ITEM_TASK

See Also:

Constant Field Values

ITEM_DRAW_NEGATIVE_LINE

public static final java.lang.String ITEM_DRAW_NEGATIVE_LINE

See Also:

Constant Field Values

MODE_NORMAL

public static final int MODE_NORMAL

See Also:

Constant Field Values

MODE_DRAW_LINE

public static final int MODE_DRAW_LINE

See Also:

Constant Field Values

MODE_DRAW_NEGATIVE_LINE

public static final int MODE_DRAW_NEGATIVE_LINE

See Also:

Constant Field Values

Constructor Detail

EditableDiagram

public EditableDiagram(Workflow workflow,
                       WorkflowEditor editor,
                       WorkflowApplet applet,
                       boolean canEdit)

Constructs the ditable diagram for a workflow using the editor

Parameters:

workflow - The workflow to edit

editor - The editor to handle the operations

Method Detail

setWorkflow

public void setWorkflow(Workflow workflow)

Sets a new workflow

Overrides:

setWorkflow in class Diagram

Parameters:

workflow - The workflow to display

editor - The workflow editor

setWorkflow

public void setWorkflow(Workflow workflow,
                        WorkflowEditor editor,
                        boolean canEdit)

buildDiagram

public void buildDiagram()

Builds the diagram based on the current workflow and configuration.

Overrides:

buildDiagram in class Diagram

setMode

public void setMode(int mode)

Sets the diagram mode

Parameters:

mode - The mode

getMode

public int getMode()

Gets the diagram mode

Returns:

The mode

getModeCursor

public java.awt.Cursor getModeCursor()

Gets the cursor for the current mode

Returns:

The cursor

setCursor

public void setCursor(java.lang.String name,
                      java.awt.Cursor cursor)
               throws java.lang.Exception

Sets a cursor for the diagram

Parameters:

name - The item name

cursor - The cursor

Throws:

java.lang.Exception

getCursor

public java.awt.Cursor getCursor(java.lang.String name)

Gets a cursor for the diagram

Parameters:

name - The item name

setToolTip

public void setToolTip(java.lang.String name,
                       java.lang.String text)
                throws java.lang.Exception

Sets a tooltip for the diagram

Parameters:

name - The item name

text - The tooltip

Throws:

java.lang.Exception

setScrollPane

public void setScrollPane(javax.swing.JScrollPane scrollPane)

setSelection

public void setSelection(WorkflowEntity selection,
                         javax.swing.JScrollPane scrollPane)

Sets the current selection for the diagram.

Parameters:

selection - The new selection

getToolTip

public java.lang.String getToolTip(java.lang.String name)

Gets a tooltip for the diagram

Parameters:

name - The item name

workflowChanged

public void workflowChanged(WorkflowEditEvent e)

Called when the editor state changes

Specified by:

workflowChanged in interface WorkflowEditListener

Parameters:

e - The WorkflowEditEvent event

getPreferredSize

public java.awt.Dimension getPreferredSize()

Returns the preferred size - this is the diagram size + extra for adding/dragging nodes beyond the last nodes

Overrides:

getPreferredSize in class Diagram

Returns:

The preferred size

isDragOk

public boolean isDragOk(java.awt.dnd.DropTargetDragEvent event)

Checks whether the row is a valid drop site. The action must be copy/move and one of the acceptable data transfer flavors must be present

Parameters:

event - The drop target drag event

dragEnter

public void dragEnter(java.awt.dnd.DropTargetDragEvent event)

Called when drag enters the drop target

Specified by:

dragEnter in interface java.awt.dnd.DropTargetListener

Parameters:

event - The drop target drag event

dragExit

public void dragExit(java.awt.dnd.DropTargetEvent event)

Called when drag leaves the drop target

Specified by:

dragExit in interface java.awt.dnd.DropTargetListener

Parameters:

event - The drop target drag event

dragOver

public void dragOver(java.awt.dnd.DropTargetDragEvent event)

Called when drag occurs

Specified by:

dragOver in interface java.awt.dnd.DropTargetListener

Parameters:

event - The drop target drag event

drop

public void drop(java.awt.dnd.DropTargetDropEvent event)

Called when a drop occurs

Specified by:

drop in interface java.awt.dnd.DropTargetListener

Parameters:

event - The drop target drop event

dropActionChanged

public void dropActionChanged(java.awt.dnd.DropTargetDragEvent event)

Called when the drop action changes

Specified by:

dropActionChanged in interface java.awt.dnd.DropTargetListener

Parameters:

event - The drop target drag event

getAutoscrollInsets

public java.awt.Insets getAutoscrollInsets()

Returns the insets used by the drag/drop autoscrolling

Specified by:

getAutoscrollInsets in interface java.awt.dnd.Autoscroll

Returns:

The insets for autoscroll region

autoscroll

public void autoscroll(java.awt.Point p)

Autoscroll the tree. The point is where the cursor is

Specified by:

autoscroll in interface java.awt.dnd.Autoscroll

Parameters:

p - The cursor point

run

public void run()

Run method - used to delay listener firing

Specified by:

run in interface java.lang.Runnable

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)

Called when the mouse has been pressed and released Locate the rectangle within which the mouse is clicked and fire the action. Do not do this if the mouse has been dragged.

Specified by:

mouseClicked in interface java.awt.event.MouseListener

Parameters:

e - The mouse event

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)

Called when the mouse has entered the component

Specified by:

mouseEntered in interface java.awt.event.MouseListener

Parameters:

e - The mouse event

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

Called when the mouse leaves the component

Specified by:

mouseExited in interface java.awt.event.MouseListener

Parameters:

e - The mouse event

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Called when the mouse is pressed.

Specified by:

mousePressed in interface java.awt.event.MouseListener

Parameters:

e - The mouse event

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Called when the mouse is released.

Specified by:

mouseReleased in interface java.awt.event.MouseListener

Parameters:

e - The mouse event

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

Called when the mouse is being dragged

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

Parameters:

e - The mouse event

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

Called when the mouse has moved

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

Parameters:

e - The mouse event

getProxy

public java.awt.datatransfer.Transferable getProxy(DiagramWorkflowNode node)

Constructs the correct proxy for dragging

Specified by:

getProxy in interface DnDContainer

Parameters:

node - The node to be dragged

Returns:

The transferable

isDropSupported

public boolean isDropSupported()

Returns whether a node can be dropped on another in the container

Specified by:

isDropSupported in interface DnDContainer

Returns:

true If drop is supported

dropComplete

public void dropComplete(WorkflowNode sourceNode,
                         WorkflowNode dropNode)

Called when one node is dropped over another

Specified by:

dropComplete in interface DnDContainer

Parameters:

sourceNode - The Node being dragged

dropNode - The node dropped over

clearCursor

public void clearCursor()

Clears the container's cursor - this is necessary for the re-written DnD which doesn't use the system handler

Specified by:

clearCursor in interface DnDContainer