harmonic.mz.undo
Class UndoRecord

java.lang.Object
  |
  +--harmonic.mz.data.ModelNode
        |
        +--harmonic.mz.undo.UndoRecord

All Implemented Interfaces:

java.awt.event.ActionListener, DataNode, Documentable, java.util.EventListener, Interpolater, harmonic.meshGeom.math.MarkableObject, NodeListener

Direct Known Subclasses:

DereferenceUndo, FieldUndo, GeometryUndo, TransformUndo, TreeUndo, UndoGroup, UndoMark, ViewpointUndo

public class UndoRecord

extends ModelNode

Sub classes of UndoRecord are responsible for undoing changes to the data state. The general scheme is to create a subclass of UndoRecord for type of change to the data state. Suprisinly few are needed. An instance of this subclass keeps the old state, and has has special code to reapply the old state. UndoRecords are added to the system with UndoManager.addUndo().

Field Summary

UndoRecord

undo

Fields inherited from class harmonic.mz.data.ModelNode

_fileRoot_, _thread_, ATTRIB_CONTROL_WIDGET, ATTRIB_LISTABLE, ATTRIB_PRESENTABLE, ATTRIB_PRIVATE, ATTRIB_REMOVEABLE, ATTRIB_RENAMEABLE, ATTRIB_SHOW_CONTEXT_MENU, ATTRIB_TYPE_FILTER, ATTRIB_USERGROUP, ATTRIB_VALUE_GROUP, ATTRIB_VE_LISTENER, bCustomCS, bDebug, bValid, name

Constructor Summary

UndoRecord(java.lang.String name)
Constructs an undo record

Method Summary

UndoRecord	makeRedo() Make a redo record to undo an undo.
void	undo() Called by the UndoManager when the user asks for an undo.

Methods inherited from class harmonic.mz.data.ModelNode

actionPerformed, addAll, addAlphaed, addField, addField, addField, addFields, addNetworkInput, addNetworkOutput, addNode, addNodeListener, addNodeListener, addNodes, addNodes, addToCurrent, addToGlobals, addToNetworkEditor, addToTemps, addWithUndo, allFieldsAreFinal, applyDataTransfer, areFieldsValid, assignFromMetaFields, assignFromXMLAttributes, assignFromXMLString, assignToMetaFields, assignToXMLAttributes, assignToXMLString, at, bind, canSelect, castSelection, checkFileRead, checkNetworkInput, childCount, clean, clearAttrib, clearNotified, compare, copyFrom, createControlWidget, createCopy, createXMLElement, deepCopy, defeatNodeEvents, disableEvents, enableEvents, expectedValidationTime, fileRoot, finalize, findFieldElement, findNode, fromXMLNodes, getAttrib, getBound, getCatagory, getControlWidget, getCurrentNames, getDataTransfer, getDataTransferTypes, getDeleted, getDirectInputs, getDirectOutputs, getEffectors, getEntryListener, getErrorState, getFilterType, getFullName, getHandles, getInstanceURL, getInterpolater, getIsLeaf, getListable, getMark, getMetaFields, getName, getNodeChildren_V, getNodeChildren, getNodeID, getNodeParent, getObjectRep, getPresentable, getPrivate, getReferencePoolName, getRemoteOwner, getRemoveable, getRenameable, getSaveable, getSavedChildren, getSelect, getSeparateDirectInputs, getSeparateDirectOutputs, getSequenced, getSerialNo, getTags, getTentativeSelect, getTransformable, getTransformableParent, getTransient, getTreeName, getTypeImage, getTypeURL, getUnfoldedChildren, getUpdateTime, getUserGroup, getValidates, getValue, getXMLNodes, hasDependants, hasExternalRef, hashKey, hasValidationLock, hideControlWidget, indexOf, initControlWidget, insertNode, interpolate_Linear, interpolate_Quadratic, invalidate, isField, isFinal, isInSubtree, isInTree, isLinked, isNotified, isPurged, isSet, isTemporary, isValid, linkedTo, linksChildren, makeContextMenu, makeFixed, makePrototype, makeReferenced, makeUnreferenced, makeVisibleInGUI, markNotified, mayValidate, nodeChanged, notifyListeners, postAssignFromXMLElement, preAssignToXMLElement, printChildren, printTags, printTree, printTree, purge, purgeFinal, pythonString, remove, removeAll, removeAll, removeHandles, removeNetworkInput, removeNetworkOutput, removeNode, removeNode, removeNode, removeNodeListener, replace, selfNodeChanged, set, setActualName, setAttrib, setBound, setCatagory, setChildrenExcept, setCoordSystem, setCurrentControlWidget, setCurrentNames, setDeleted, setEntryListener, setErrorState, setFromPrototype, setIsField, setIsLeaf, setIsSet, setListable, setMark, setMetaFields, setName, setNodeParent, setPresentable, setPrivate, setRemoteOwner, setRemoveable, setRenameable, setSaveable, setSelect, setSelect, setSequenced, setSerialNo, setTentativeSelect, setTentativeSelect, setToLink, setTransient, setTransientChildren, setUpdateTime, setUserGroup, setValidates, setValidationLock, setValue, setValueGroup, showControlWidget, showControlWidget, showControlWidget, showHandles, startRename, tag, toString, unlinkListeners, unmarkNotified, untag, updateBindable, valChanged, valChanged, validate, valueString

Methods inherited from class java.lang.Object

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

Field Detail

undo

public UndoRecord undo

Constructor Detail

UndoRecord

public UndoRecord(java.lang.String name)

Constructs an undo record

Method Detail

undo

public void undo()

Called by the UndoManager when the user asks for an undo. Or, if this is a redo record, this is called when the user aske for a redo. Override to implement the special undo or redo.

makeRedo

public UndoRecord makeRedo()

Make a redo record to undo an undo. The redo record is nothing but another UndoRecord that stores the application state of the memory of interest after the undo. This is called when the user asks for a undo. Override to return the right kind of UndoRecord. This object may have to be set up to know that it is a redo.