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## multivalent.std.ui
Class History

    java.lang.Object
      multivalent.VObject
          multivalent.Behavior
              multivalent.std.ui.History

public class History
extends Behavior

Saves last 1000 pages seen. Upon startup, reads list of from disk and salts cache's pages-seen list. On shutdown, saves list, truncating if necessary. During operation, records URL, title, time last seen. On "history:" URL, displays list, grouped by host URL, sorted most recent to least recent. Example of how to fault in outline sections on demand.

Version:
  $Revision: 1.8 $ $Date: 2005/01/01 13:28:44 $
See Also:
  `OutlineSpan`, `ManualPage`

Field Summary
`static java.lang.String` | `FILENAME`

Fields inherited from class multivalent.Behavior
`ATTR_BEHAVIOR, name_`

Fields inherited from class multivalent.VObject
`attr_`

Constructor Summary
`History()`

Method Summary
`Node` | `fault(int id, Span span, INode replace)`
`void` | `readHistory()` Read history tuples from USER directory: URL, encoded title, date last read.
`boolean` | `semanticEventAfter(SemanticEvent se, java.lang.String msg)` On "openDocument history:", dynamically generate history page.
`boolean` | `semanticEventBefore(SemanticEvent se, java.lang.String msg)` Write out history at "EXIT", "exitBrowserInstance', and every so many `Document.MSG_CLOSE`s.
`void` | `writeHistory()` Write tuples to disk.

Methods inherited from class multivalent.Behavior
`buildAfter, buildBefore, checkRep, clipboardAfter, clipboardBefore, createUI, destroy, eventAfter, eventBefore, formatAfter, formatBefore, getBrowser, getDocument, getInstance, getInstance, getLayer, getLogger, getName, getPreference, getRoot, isEditable, paintAfter, paintBefore, putPreference, redo, restore, restoreChildren, save, setName, toString, undo`

Methods inherited from class multivalent.VObject
`attrEntrySetIterator, attrKeysIterator, clearAttributes, getAttr, getAttr, getAttributes, getGlobal, getValue, hasAttributes, putAttr, removeAttr, setAttributes`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### FILENAME

    public static final java.lang.String FILENAME

See Also:
  Constant Field Values

Constructor Detail

### History

    public History()

Method Detail

### semanticEventBefore

    public boolean semanticEventBefore(SemanticEvent se,
                                       java.lang.String msg)

  Write out history at "EXIT", "exitBrowserInstance', and every so many `Document.MSG_CLOSE`s.

  Overrides:
    `semanticEventBefore` in class `Behavior`

### semanticEventAfter

    public boolean semanticEventAfter(SemanticEvent se,
                                      java.lang.String msg)

  On "openDocument history:", dynamically generate history page. On "openedDocument DocInfo, add/update record for that URL.

  Overrides:
    `semanticEventAfter` in class `Behavior`

### readHistory

    public void readHistory()

  Read history tuples from USER directory: URL, encoded title, date last read. Also salts cache's pages-seen list.

### writeHistory

    public void writeHistory()

  Write tuples to disk.

### fault

    public Node fault(int id,
                      Span span,
                      INode replace)

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