eric6/Documentation/Source/eric6.WebBrowser.History.HistoryManager.html

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<h1>eric6.WebBrowser.History.HistoryManager</h1>

<p>
Module implementing the history manager.
</p>
<h3>Global Attributes</h3>

<table>
<tr><td>HISTORY_VERSIONS</td></tr><tr><td>HISTORY_VERSION_42</td></tr><tr><td>HISTORY_VERSION_60</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.isValid">isValid</a></td>
<td>Public method to determine validity.</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, visitCount=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>
<dt><i>visitCount</i></dt>
<dd>
number of visits of this URL (int)
</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>Return:</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>Return:</dt>
<dd>
flag indicating less (boolean)
</dd>
</dl>
<a NAME="HistoryEntry.isValid" ID="HistoryEntry.isValid"></a>
<h4>HistoryEntry.isValid</h4>
<b>isValid</b>(<i></i>)

<p>
        Public method to determine validity.
</p>
<dl>
<dt>Return:</dt>
<dd>
flag indicating validity
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</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>Return:</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>
<dt>historySaved()</dt>
<dd>
emitted after the history was saved
</dd>
</dl>
<h3>Derived from</h3>
QObject
<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.__cleanUrl">__cleanUrl</a></td>
<td>Private method to generate a clean URL usable for the history entry.</td>
</tr>
<tr>
<td><a href="#HistoryManager.__cleanUrlStr">__cleanUrlStr</a></td>
<td>Private method to generate a clean URL usable for the history entry.</td>
</tr>
<tr>
<td><a href="#HistoryManager.__findFirstHistoryEntry">__findFirstHistoryEntry</a></td>
<td>Private method to find the first entry for the given URL.</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.__updateVisitCount">__updateVisitCount</a></td>
<td>Private method to update the visit count for all entries of the given URL.</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.getFileName">getFileName</a></td>
<td>Public method to get the file name of the history file.</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.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.reload">reload</a></td>
<td>Public method to reload the history.</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.siteVisitsCount">siteVisitsCount</a></td>
<td>Public method to get the visit count for a web site using the given scheme.</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.__cleanUrl" ID="HistoryManager.__cleanUrl"></a>
<h4>HistoryManager.__cleanUrl</h4>
<b>__cleanUrl</b>(<i>url</i>)

<p>
        Private method to generate a clean URL usable for the history entry.
</p>
<dl>

<dt><i>url</i> (QUrl)</dt>
<dd>
original URL
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
cleaned URL
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
QUrl
</dd>
</dl>
<a NAME="HistoryManager.__cleanUrlStr" ID="HistoryManager.__cleanUrlStr"></a>
<h4>HistoryManager.__cleanUrlStr</h4>
<b>__cleanUrlStr</b>(<i>url</i>)

<p>
        Private method to generate a clean URL usable for the history entry.
</p>
<dl>

<dt><i>url</i> (QUrl)</dt>
<dd>
original URL
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
cleaned URL
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl>
<a NAME="HistoryManager.__findFirstHistoryEntry" ID="HistoryManager.__findFirstHistoryEntry"></a>
<h4>HistoryManager.__findFirstHistoryEntry</h4>
<b>__findFirstHistoryEntry</b>(<i>url</i>)

<p>
        Private method to find the first entry for the given URL.
</p>
<dl>

<dt><i>url</i> (str)</dt>
<dd>
URL to search for
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
first entry for the given URL
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
HistoryEntry
</dd>
</dl>
<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.__updateVisitCount" ID="HistoryManager.__updateVisitCount"></a>
<h4>HistoryManager.__updateVisitCount</h4>
<b>__updateVisitCount</b>(<i>url, count</i>)

<p>
        Private method to update the visit count for all entries of the
        given URL.
</p>
<dl>

<dt><i>url</i> (str)</dt>
<dd>
URL to be updated
</dd>
<dt><i>count</i> (int)</dt>
<dd>
new visit count
</dd>
</dl>
<a NAME="HistoryManager.addHistoryEntry" ID="HistoryManager.addHistoryEntry"></a>
<h4>HistoryManager.addHistoryEntry</h4>
<b>addHistoryEntry</b>(<i>view</i>)

<p>
        Public method to add a history entry.
</p>
<dl>

<dt><i>view</i> (WebBrowserView)</dt>
<dd>
reference to the view to add an entry for
</dd>
</dl>
<a NAME="HistoryManager.clear" ID="HistoryManager.clear"></a>
<h4>HistoryManager.clear</h4>
<b>clear</b>(<i>period=0</i>)

<p>
        Public slot to clear the complete history.
</p>
<dl>

<dt><i>period</i></dt>
<dd>
history period in milliseconds to be cleared (integer)
</dd>
</dl>
<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>Return:</dt>
<dd>
days for entry expiration (integer)
</dd>
</dl>
<a NAME="HistoryManager.getFileName" ID="HistoryManager.getFileName"></a>
<h4>HistoryManager.getFileName</h4>
<b>getFileName</b>(<i></i>)

<p>
        Public method to get the file name of the history file.
</p>
<dl>
<dt>Return:</dt>
<dd>
name of the history file (string)
</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>Return:</dt>
<dd>
reference to the list of history entries (list of HistoryEntry)
</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>Return:</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>Return:</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>Return:</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.reload" ID="HistoryManager.reload"></a>
<h4>HistoryManager.reload</h4>
<b>reload</b>(<i></i>)

<p>
        Public method to reload the history.
</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.siteVisitsCount" ID="HistoryManager.siteVisitsCount"></a>
<h4>HistoryManager.siteVisitsCount</h4>
<b>siteVisitsCount</b>(<i>scheme, host</i>)

<p>
        Public method to get the visit count for a web site using the given
        scheme.
</p>
<dl>

<dt><i>scheme</i> (str)</dt>
<dd>
scheme to look for
</dd>
<dt><i>host</i> (str)</dt>
<dd>
host to look for
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
number of visits to this site
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
int
</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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