Documentation/Source/eric5.Helpviewer.History.HistoryManager.html

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<h1>eric5.Helpviewer.History.HistoryManager</h1>
<p>
Module implementing the history manager.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>HISTORY_VERSION</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#HistoryEntry">HistoryEntry</a></td>
<td>Class implementing a history entry.</td>
</tr><tr>
<td><a href="#HistoryManager">HistoryManager</a></td>
<td>Class implementing the history manager.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr><td>None</td></tr>
</table>
<hr /><hr />
<a NAME="HistoryEntry" ID="HistoryEntry"></a>
<h2>HistoryEntry</h2>
<p>
    Class implementing a history entry.
</p>
<h3>Derived from</h3>
object
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#HistoryEntry.__init__">HistoryEntry</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#HistoryEntry.__eq__">__eq__</a></td>
<td>Special method determining equality.</td>
</tr><tr>
<td><a href="#HistoryEntry.__lt__">__lt__</a></td>
<td>Special method determining less relation.</td>
</tr><tr>
<td><a href="#HistoryEntry.userTitle">userTitle</a></td>
<td>Public method to get the title of the history entry.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="HistoryEntry.__init__" ID="HistoryEntry.__init__"></a>
<h4>HistoryEntry (Constructor)</h4>
<b>HistoryEntry</b>(<i>url=None, dateTime=None, title=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>url</i></dt>
<dd>
URL of the history entry (string)
</dd><dt><i>dateTime</i></dt>
<dd>
date and time this entry was created (QDateTime)
</dd><dt><i>title</i></dt>
<dd>
title string for the history entry (string)
</dd>
</dl><a NAME="HistoryEntry.__eq__" ID="HistoryEntry.__eq__"></a>
<h4>HistoryEntry.__eq__</h4>
<b>__eq__</b>(<i>other</i>)
<p>
        Special method determining equality.
</p><dl>
<dt><i>other</i></dt>
<dd>
reference to the history entry to compare against (HistoryEntry)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating equality (boolean)
</dd>
</dl><a NAME="HistoryEntry.__lt__" ID="HistoryEntry.__lt__"></a>
<h4>HistoryEntry.__lt__</h4>
<b>__lt__</b>(<i>other</i>)
<p>
        Special method determining less relation.
</p><p>
        Note: History is sorted in reverse order by date and time
</p><dl>
<dt><i>other</i></dt>
<dd>
reference to the history entry to compare against (HistoryEntry)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating less (boolean)
</dd>
</dl><a NAME="HistoryEntry.userTitle" ID="HistoryEntry.userTitle"></a>
<h4>HistoryEntry.userTitle</h4>
<b>userTitle</b>(<i></i>)
<p>
        Public method to get the title of the history entry.
</p><dl>
<dt>Returns:</dt>
<dd>
title of the entry (string)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="HistoryManager" ID="HistoryManager"></a>
<h2>HistoryManager</h2>
<p>
    Class implementing the history manager.
</p><h3>Signals</h3>
<dl>
<dt>entryAdded(HistoryEntry)</dt>
<dd>
emitted after a history entry has been added
</dd><dt>entryRemoved(HistoryEntry)</dt>
<dd>
emitted after a history entry has been removed
</dd><dt>entryUpdated(int)</dt>
<dd>
emitted after a history entry has been updated
</dd><dt>historyCleared()</dt>
<dd>
emitted after the history has been cleared
</dd><dt>historyReset()</dt>
<dd>
emitted after the history has been reset
</dd>
</dl>
<h3>Derived from</h3>
QWebHistoryInterface
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#HistoryManager.__init__">HistoryManager</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#HistoryManager.__checkForExpired">__checkForExpired</a></td>
<td>Private slot to check entries for expiration.</td>
</tr><tr>
<td><a href="#HistoryManager.__load">__load</a></td>
<td>Private method to load the saved history entries from disk.</td>
</tr><tr>
<td><a href="#HistoryManager.__refreshFrequencies">__refreshFrequencies</a></td>
<td>Private slot to recalculate the refresh frequencies.</td>
</tr><tr>
<td><a href="#HistoryManager.__startFrequencyTimer">__startFrequencyTimer</a></td>
<td>Private method to start the timer to recalculate the frequencies.</td>
</tr><tr>
<td><a href="#HistoryManager._addHistoryEntry">_addHistoryEntry</a></td>
<td>Protected method to add a history item.</td>
</tr><tr>
<td><a href="#HistoryManager._removeHistoryEntry">_removeHistoryEntry</a></td>
<td>Protected method to remove a history item.</td>
</tr><tr>
<td><a href="#HistoryManager.addHistoryEntry">addHistoryEntry</a></td>
<td>Public method to add a history entry.</td>
</tr><tr>
<td><a href="#HistoryManager.clear">clear</a></td>
<td>Public slot to clear the complete history.</td>
</tr><tr>
<td><a href="#HistoryManager.close">close</a></td>
<td>Public method to close the history manager.</td>
</tr><tr>
<td><a href="#HistoryManager.daysToExpire">daysToExpire</a></td>
<td>Public method to get the days for entry expiration.</td>
</tr><tr>
<td><a href="#HistoryManager.history">history</a></td>
<td>Public method to return the history.</td>
</tr><tr>
<td><a href="#HistoryManager.historyContains">historyContains</a></td>
<td>Public method to check the history for an entry.</td>
</tr><tr>
<td><a href="#HistoryManager.historyFilterModel">historyFilterModel</a></td>
<td>Public method to get a reference to the history filter model.</td>
</tr><tr>
<td><a href="#HistoryManager.historyModel">historyModel</a></td>
<td>Public method to get a reference to the history model.</td>
</tr><tr>
<td><a href="#HistoryManager.historyTreeModel">historyTreeModel</a></td>
<td>Public method to get a reference to the history tree model.</td>
</tr><tr>
<td><a href="#HistoryManager.preferencesChanged">preferencesChanged</a></td>
<td>Public method to indicate a change of preferences.</td>
</tr><tr>
<td><a href="#HistoryManager.removeHistoryEntry">removeHistoryEntry</a></td>
<td>Public method to remove a history entry.</td>
</tr><tr>
<td><a href="#HistoryManager.save">save</a></td>
<td>Public slot to save the history entries to disk.</td>
</tr><tr>
<td><a href="#HistoryManager.setDaysToExpire">setDaysToExpire</a></td>
<td>Public method to set the days for entry expiration.</td>
</tr><tr>
<td><a href="#HistoryManager.setHistory">setHistory</a></td>
<td>Public method to set a new history.</td>
</tr><tr>
<td><a href="#HistoryManager.updateHistoryEntry">updateHistoryEntry</a></td>
<td>Public method to update a history entry.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="HistoryManager.__init__" ID="HistoryManager.__init__"></a>
<h4>HistoryManager (Constructor)</h4>
<b>HistoryManager</b>(<i>parent=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>parent</i></dt>
<dd>
reference to the parent object (QObject)
</dd>
</dl><a NAME="HistoryManager.__checkForExpired" ID="HistoryManager.__checkForExpired"></a>
<h4>HistoryManager.__checkForExpired</h4>
<b>__checkForExpired</b>(<i></i>)
<p>
        Private slot to check entries for expiration.
</p><a NAME="HistoryManager.__load" ID="HistoryManager.__load"></a>
<h4>HistoryManager.__load</h4>
<b>__load</b>(<i></i>)
<p>
        Private method to load the saved history entries from disk.
</p><a NAME="HistoryManager.__refreshFrequencies" ID="HistoryManager.__refreshFrequencies"></a>
<h4>HistoryManager.__refreshFrequencies</h4>
<b>__refreshFrequencies</b>(<i></i>)
<p>
        Private slot to recalculate the refresh frequencies.
</p><a NAME="HistoryManager.__startFrequencyTimer" ID="HistoryManager.__startFrequencyTimer"></a>
<h4>HistoryManager.__startFrequencyTimer</h4>
<b>__startFrequencyTimer</b>(<i></i>)
<p>
        Private method to start the timer to recalculate the frequencies.
</p><a NAME="HistoryManager._addHistoryEntry" ID="HistoryManager._addHistoryEntry"></a>
<h4>HistoryManager._addHistoryEntry</h4>
<b>_addHistoryEntry</b>(<i>itm</i>)
<p>
        Protected method to add a history item.
</p><dl>
<dt><i>itm</i></dt>
<dd>
reference to the history item to add (HistoryEntry)
</dd>
</dl><a NAME="HistoryManager._removeHistoryEntry" ID="HistoryManager._removeHistoryEntry"></a>
<h4>HistoryManager._removeHistoryEntry</h4>
<b>_removeHistoryEntry</b>(<i>itm</i>)
<p>
        Protected method to remove a history item.
</p><dl>
<dt><i>itm</i></dt>
<dd>
reference to the history item to remove (HistoryEntry)
</dd>
</dl><a NAME="HistoryManager.addHistoryEntry" ID="HistoryManager.addHistoryEntry"></a>
<h4>HistoryManager.addHistoryEntry</h4>
<b>addHistoryEntry</b>(<i>url</i>)
<p>
        Public method to add a history entry.
</p><dl>
<dt><i>url</i></dt>
<dd>
URL to be added (string)
</dd>
</dl><a NAME="HistoryManager.clear" ID="HistoryManager.clear"></a>
<h4>HistoryManager.clear</h4>
<b>clear</b>(<i></i>)
<p>
        Public slot to clear the complete history.
</p><a NAME="HistoryManager.close" ID="HistoryManager.close"></a>
<h4>HistoryManager.close</h4>
<b>close</b>(<i></i>)
<p>
        Public method to close the history manager.
</p><a NAME="HistoryManager.daysToExpire" ID="HistoryManager.daysToExpire"></a>
<h4>HistoryManager.daysToExpire</h4>
<b>daysToExpire</b>(<i></i>)
<p>
        Public method to get the days for entry expiration.
</p><dl>
<dt>Returns:</dt>
<dd>
days for entry expiration (integer)
</dd>
</dl><a NAME="HistoryManager.history" ID="HistoryManager.history"></a>
<h4>HistoryManager.history</h4>
<b>history</b>(<i></i>)
<p>
        Public method to return the history.
</p><dl>
<dt>Returns:</dt>
<dd>
reference to the list of history entries (list of HistoryEntry)
</dd>
</dl><a NAME="HistoryManager.historyContains" ID="HistoryManager.historyContains"></a>
<h4>HistoryManager.historyContains</h4>
<b>historyContains</b>(<i>url</i>)
<p>
        Public method to check the history for an entry.
</p><dl>
<dt><i>url</i></dt>
<dd>
URL to check for (string)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating success (boolean)
</dd>
</dl><a NAME="HistoryManager.historyFilterModel" ID="HistoryManager.historyFilterModel"></a>
<h4>HistoryManager.historyFilterModel</h4>
<b>historyFilterModel</b>(<i></i>)
<p>
        Public method to get a reference to the history filter model.
</p><dl>
<dt>Returns:</dt>
<dd>
reference to the history filter model (HistoryFilterModel)
</dd>
</dl><a NAME="HistoryManager.historyModel" ID="HistoryManager.historyModel"></a>
<h4>HistoryManager.historyModel</h4>
<b>historyModel</b>(<i></i>)
<p>
        Public method to get a reference to the history model.
</p><dl>
<dt>Returns:</dt>
<dd>
reference to the history model (HistoryModel)
</dd>
</dl><a NAME="HistoryManager.historyTreeModel" ID="HistoryManager.historyTreeModel"></a>
<h4>HistoryManager.historyTreeModel</h4>
<b>historyTreeModel</b>(<i></i>)
<p>
        Public method to get a reference to the history tree model.
</p><dl>
<dt>Returns:</dt>
<dd>
reference to the history tree model (HistoryTreeModel)
</dd>
</dl><a NAME="HistoryManager.preferencesChanged" ID="HistoryManager.preferencesChanged"></a>
<h4>HistoryManager.preferencesChanged</h4>
<b>preferencesChanged</b>(<i></i>)
<p>
        Public method to indicate a change of preferences.
</p><a NAME="HistoryManager.removeHistoryEntry" ID="HistoryManager.removeHistoryEntry"></a>
<h4>HistoryManager.removeHistoryEntry</h4>
<b>removeHistoryEntry</b>(<i>url, title=""</i>)
<p>
        Public method to remove a history entry.
</p><dl>
<dt><i>url</i></dt>
<dd>
URL of the entry to remove (QUrl)
</dd><dt><i>title</i></dt>
<dd>
title of the entry to remove (string)
</dd>
</dl><a NAME="HistoryManager.save" ID="HistoryManager.save"></a>
<h4>HistoryManager.save</h4>
<b>save</b>(<i></i>)
<p>
        Public slot to save the history entries to disk.
</p><a NAME="HistoryManager.setDaysToExpire" ID="HistoryManager.setDaysToExpire"></a>
<h4>HistoryManager.setDaysToExpire</h4>
<b>setDaysToExpire</b>(<i>limit</i>)
<p>
        Public method to set the days for entry expiration.
</p><dl>
<dt><i>limit</i></dt>
<dd>
days for entry expiration (integer)
</dd>
</dl><a NAME="HistoryManager.setHistory" ID="HistoryManager.setHistory"></a>
<h4>HistoryManager.setHistory</h4>
<b>setHistory</b>(<i>history, loadedAndSorted=False</i>)
<p>
        Public method to set a new history.
</p><dl>
<dt><i>history</i></dt>
<dd>
reference to the list of history entries to be set
            (list of HistoryEntry)
</dd><dt><i>loadedAndSorted</i></dt>
<dd>
flag indicating that the list is sorted (boolean)
</dd>
</dl><a NAME="HistoryManager.updateHistoryEntry" ID="HistoryManager.updateHistoryEntry"></a>
<h4>HistoryManager.updateHistoryEntry</h4>
<b>updateHistoryEntry</b>(<i>url, title</i>)
<p>
        Public method to update a history entry.
</p><dl>
<dt><i>url</i></dt>
<dd>
URL of the entry to update (string)
</dd><dt><i>title</i></dt>
<dd>
title of the entry to update (string)
</dd>
</dl>
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