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

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<h1>eric5.Helpviewer.History.HistoryFilterModel</h1>
<p>
Module implementing the history filter model.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#HistoryData">HistoryData</a></td>
<td>Class storing some history data.</td>
</tr><tr>
<td><a href="#HistoryFilterModel">HistoryFilterModel</a></td>
<td>Class implementing the history filter model.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr><td>None</td></tr>
</table>
<hr /><hr />
<a NAME="HistoryData" ID="HistoryData"></a>
<h2>HistoryData</h2>
<p>
    Class storing some history data.
</p>
<h3>Derived from</h3>
object
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#HistoryData.__init__">HistoryData</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#HistoryData.__eq__">__eq__</a></td>
<td>Special method implementing equality.</td>
</tr><tr>
<td><a href="#HistoryData.__lt__">__lt__</a></td>
<td>Special method determining less relation.</td>
</tr>
</table>
<a NAME="HistoryData.__init__" ID="HistoryData.__init__"></a>
<h4>HistoryData (Constructor)</h4>
<b>HistoryData</b>(<i>offset, frequency = 0</i>)
<p>
        Constructor
</p><dl>
<dt><i>offset</i></dt>
<dd>
tail offset (integer)
</dd><dt><i>frequency</i></dt>
<dd>
frequency (integer)
</dd>
</dl><a NAME="HistoryData.__eq__" ID="HistoryData.__eq__"></a>
<h4>HistoryData.__eq__</h4>
<b>__eq__</b>(<i>other</i>)
<p>
        Special method implementing equality.
</p><dl>
<dt><i>other</i></dt>
<dd>
reference to the object to check against (HistoryData)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating equality (boolean)
</dd>
</dl><a NAME="HistoryData.__lt__" ID="HistoryData.__lt__"></a>
<h4>HistoryData.__lt__</h4>
<b>__lt__</b>(<i>other</i>)
<p>
        Special method determining less relation.
</p><p>
        Note: Like the actual history entries the index mapping is sorted in reverse 
        order by offset
</p><dl>
<dt><i>other</i></dt>
<dd>
reference to the history data object to compare against
            (HistoryEntry)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating less (boolean)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="HistoryFilterModel" ID="HistoryFilterModel"></a>
<h2>HistoryFilterModel</h2>
<p>
    Class implementing the history filter model.
</p>
<h3>Derived from</h3>
QAbstractProxyModel
<h3>Class Attributes</h3>
<table>
<tr><td>FrequencyRole</td></tr><tr><td>MaxRole</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#HistoryFilterModel.__init__">HistoryFilterModel</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#HistoryFilterModel.__frequencyScore">__frequencyScore</a></td>
<td>Private method to calculate the frequency score.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.__load">__load</a></td>
<td>Private method to load the model data.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.__sourceDataChanged">__sourceDataChanged</a></td>
<td>Private slot to handle the change of data of the source model.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.__sourceReset">__sourceReset</a></td>
<td>Private slot to handle a reset of the source model.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.__sourceRowsInserted">__sourceRowsInserted</a></td>
<td>Private slot to handle the insertion of data in the source model.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.__sourceRowsRemoved">__sourceRowsRemoved</a></td>
<td>Private slot to handle the removal of data in the source model.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.columnCount">columnCount</a></td>
<td>Public method to get the number of columns.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.data">data</a></td>
<td>Public method to get data from the model.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.headerData">headerData</a></td>
<td>Public method to get the header data.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.historyContains">historyContains</a></td>
<td>Public method to check the history for an entry.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.historyLocation">historyLocation</a></td>
<td>Public method to get the row number of an entry in the source model.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.index">index</a></td>
<td>Public method to create an index.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.mapFromSource">mapFromSource</a></td>
<td>Public method to map an index to the proxy model index.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.mapToSource">mapToSource</a></td>
<td>Public method to map an index to the source model index.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.parent">parent</a></td>
<td>Public method to get the parent index.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.recalculateFrequencies">recalculateFrequencies</a></td>
<td>Public method to recalculate the frequencies.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.removeRows">removeRows</a></td>
<td>Public method to remove entries from the model.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.rowCount">rowCount</a></td>
<td>Public method to determine the number of rows.</td>
</tr><tr>
<td><a href="#HistoryFilterModel.setSourceModel">setSourceModel</a></td>
<td>Public method to set the source model.</td>
</tr>
</table>
<a NAME="HistoryFilterModel.__init__" ID="HistoryFilterModel.__init__"></a>
<h4>HistoryFilterModel (Constructor)</h4>
<b>HistoryFilterModel</b>(<i>sourceModel, parent = None</i>)
<p>
        Constructor
</p><dl>
<dt><i>sourceModel</i></dt>
<dd>
reference to the source model (QAbstractItemModel)
</dd><dt><i>parent</i></dt>
<dd>
reference to the parent object (QObject)
</dd>
</dl><a NAME="HistoryFilterModel.__frequencyScore" ID="HistoryFilterModel.__frequencyScore"></a>
<h4>HistoryFilterModel.__frequencyScore</h4>
<b>__frequencyScore</b>(<i>sourceIndex</i>)
<p>
        Private method to calculate the frequency score.
</p><dl>
<dt><i>sourceIndex</i></dt>
<dd>
index of the source model (QModelIndex)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
frequency score (integer)
</dd>
</dl><a NAME="HistoryFilterModel.__load" ID="HistoryFilterModel.__load"></a>
<h4>HistoryFilterModel.__load</h4>
<b>__load</b>(<i></i>)
<p>
        Private method to load the model data.
</p><a NAME="HistoryFilterModel.__sourceDataChanged" ID="HistoryFilterModel.__sourceDataChanged"></a>
<h4>HistoryFilterModel.__sourceDataChanged</h4>
<b>__sourceDataChanged</b>(<i>topLeft, bottomRight</i>)
<p>
        Private slot to handle the change of data of the source model.
</p><dl>
<dt><i>topLeft</i></dt>
<dd>
index of top left data element (QModelIndex)
</dd><dt><i>bottomRight</i></dt>
<dd>
index of bottom right data element (QModelIndex)
</dd>
</dl><a NAME="HistoryFilterModel.__sourceReset" ID="HistoryFilterModel.__sourceReset"></a>
<h4>HistoryFilterModel.__sourceReset</h4>
<b>__sourceReset</b>(<i></i>)
<p>
        Private slot to handle a reset of the source model.
</p><a NAME="HistoryFilterModel.__sourceRowsInserted" ID="HistoryFilterModel.__sourceRowsInserted"></a>
<h4>HistoryFilterModel.__sourceRowsInserted</h4>
<b>__sourceRowsInserted</b>(<i>parent, start, end</i>)
<p>
        Private slot to handle the insertion of data in the source model.
</p><dl>
<dt><i>parent</i></dt>
<dd>
reference to the parent index (QModelIndex)
</dd><dt><i>start</i></dt>
<dd>
start row (integer)
</dd><dt><i>end</i></dt>
<dd>
end row (integer)
</dd>
</dl><a NAME="HistoryFilterModel.__sourceRowsRemoved" ID="HistoryFilterModel.__sourceRowsRemoved"></a>
<h4>HistoryFilterModel.__sourceRowsRemoved</h4>
<b>__sourceRowsRemoved</b>(<i>parent, start, end</i>)
<p>
        Private slot to handle the removal of data in the source model.
</p><dl>
<dt><i>parent</i></dt>
<dd>
reference to the parent index (QModelIndex)
</dd><dt><i>start</i></dt>
<dd>
start row (integer)
</dd><dt><i>end</i></dt>
<dd>
end row (integer)
</dd>
</dl><a NAME="HistoryFilterModel.columnCount" ID="HistoryFilterModel.columnCount"></a>
<h4>HistoryFilterModel.columnCount</h4>
<b>columnCount</b>(<i>parent = QModelIndex()</i>)
<p>
        Public method to get the number of columns.
</p><dl>
<dt><i>parent</i></dt>
<dd>
index of parent (QModelIndex)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
number of columns (integer)
</dd>
</dl><a NAME="HistoryFilterModel.data" ID="HistoryFilterModel.data"></a>
<h4>HistoryFilterModel.data</h4>
<b>data</b>(<i>index, role = Qt.DisplayRole</i>)
<p>
        Public method to get data from the model.
</p><dl>
<dt><i>index</i></dt>
<dd>
index of history entry to get data for (QModelIndex)
</dd><dt><i>role</i></dt>
<dd>
data role (integer)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
history entry data
</dd>
</dl><a NAME="HistoryFilterModel.headerData" ID="HistoryFilterModel.headerData"></a>
<h4>HistoryFilterModel.headerData</h4>
<b>headerData</b>(<i>section, orientation, role = Qt.DisplayRole</i>)
<p>
        Public method to get the header data.
</p><dl>
<dt><i>section</i></dt>
<dd>
section number (integer)
</dd><dt><i>orientation</i></dt>
<dd>
header orientation (Qt.Orientation)
</dd><dt><i>role</i></dt>
<dd>
data role (integer)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
header data
</dd>
</dl><a NAME="HistoryFilterModel.historyContains" ID="HistoryFilterModel.historyContains"></a>
<h4>HistoryFilterModel.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="HistoryFilterModel.historyLocation" ID="HistoryFilterModel.historyLocation"></a>
<h4>HistoryFilterModel.historyLocation</h4>
<b>historyLocation</b>(<i>url</i>)
<p>
        Public method to get the row number of an entry in the source model.
</p><dl>
<dt><i>url</i></dt>
<dd>
URL to check for (tring)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
row number in the source model (integer)
</dd>
</dl><a NAME="HistoryFilterModel.index" ID="HistoryFilterModel.index"></a>
<h4>HistoryFilterModel.index</h4>
<b>index</b>(<i>row, column, parent = QModelIndex()</i>)
<p>
        Public method to create an index.
</p><dl>
<dt><i>row</i></dt>
<dd>
row number for the index (integer)
</dd><dt><i>column</i></dt>
<dd>
column number for the index (integer)
</dd><dt><i>parent</i></dt>
<dd>
index of the parent item (QModelIndex)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
requested index (QModelIndex)
</dd>
</dl><a NAME="HistoryFilterModel.mapFromSource" ID="HistoryFilterModel.mapFromSource"></a>
<h4>HistoryFilterModel.mapFromSource</h4>
<b>mapFromSource</b>(<i>sourceIndex</i>)
<p>
        Public method to map an index to the proxy model index.
</p><dl>
<dt><i>sourceIndex</i></dt>
<dd>
reference to a source model index (QModelIndex)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
proxy model index (QModelIndex)
</dd>
</dl><a NAME="HistoryFilterModel.mapToSource" ID="HistoryFilterModel.mapToSource"></a>
<h4>HistoryFilterModel.mapToSource</h4>
<b>mapToSource</b>(<i>proxyIndex</i>)
<p>
        Public method to map an index to the source model index.
</p><dl>
<dt><i>proxyIndex</i></dt>
<dd>
reference to a proxy model index (QModelIndex)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
source model index (QModelIndex)
</dd>
</dl><a NAME="HistoryFilterModel.parent" ID="HistoryFilterModel.parent"></a>
<h4>HistoryFilterModel.parent</h4>
<b>parent</b>(<i>index</i>)
<p>
        Public method to get the parent index.
</p><dl>
<dt><i>index</i></dt>
<dd>
index of item to get parent (QModelIndex)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
index of parent (QModelIndex)
</dd>
</dl><a NAME="HistoryFilterModel.recalculateFrequencies" ID="HistoryFilterModel.recalculateFrequencies"></a>
<h4>HistoryFilterModel.recalculateFrequencies</h4>
<b>recalculateFrequencies</b>(<i></i>)
<p>
        Public method to recalculate the frequencies.
</p><a NAME="HistoryFilterModel.removeRows" ID="HistoryFilterModel.removeRows"></a>
<h4>HistoryFilterModel.removeRows</h4>
<b>removeRows</b>(<i>row, count, parent = QModelIndex()</i>)
<p>
        Public method to remove entries from the model.
</p><dl>
<dt><i>row</i></dt>
<dd>
row of the first entry to remove (integer)
</dd><dt><i>count</i></dt>
<dd>
number of entries to remove (integer)
</dd><dt><i>index</i></dt>
<dd>
of the parent entry (QModelIndex)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating successful removal (boolean)
</dd>
</dl><a NAME="HistoryFilterModel.rowCount" ID="HistoryFilterModel.rowCount"></a>
<h4>HistoryFilterModel.rowCount</h4>
<b>rowCount</b>(<i>parent = QModelIndex()</i>)
<p>
        Public method to determine the number of rows.
</p><dl>
<dt><i>parent</i></dt>
<dd>
index of parent (QModelIndex)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
number of rows (integer)
</dd>
</dl><a NAME="HistoryFilterModel.setSourceModel" ID="HistoryFilterModel.setSourceModel"></a>
<h4>HistoryFilterModel.setSourceModel</h4>
<b>setSourceModel</b>(<i>sourceModel</i>)
<p>
        Public method to set the source model.
</p><dl>
<dt><i>sourceModel</i></dt>
<dd>
reference to the source model (QAbstractItemModel)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
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