eric6/Documentation/Source/eric6.E5Gui.E5TreeWidget.html

Wed, 28 Apr 2021 19:42:28 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 28 Apr 2021 19:42:28 +0200
changeset 8268
6b8128e0c9d1
parent 7989
a21d673a8f99
permissions
-rw-r--r--

Modernized some code.

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<h1>eric6.E5Gui.E5TreeWidget</h1>

<p>
Module implementing specialized tree views.
</p>
<h3>Global Attributes</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>

<table>

<tr>
<td><a href="#E5TreeWidget">E5TreeWidget</a></td>
<td>Class implementing an extended tree widget.</td>
</tr>
<tr>
<td><a href="#E5TreeWidgetItemsState">E5TreeWidgetItemsState</a></td>
<td>Class defining the items expansion state.</td>
</tr>
</table>
<h3>Functions</h3>

<table>
<tr><td>None</td></tr>
</table>
<hr />
<hr />
<a NAME="E5TreeWidget" ID="E5TreeWidget"></a>
<h2>E5TreeWidget</h2>

<p>
    Class implementing an extended tree widget.
</p>
<h3>Signals</h3>
<dl>

<dt>itemControlClicked(QTreeWidgetItem)</dt>
<dd>
emitted after a Ctrl-Click
            on an item
</dd>
<dt>itemMiddleButtonClicked(QTreeWidgetItem)</dt>
<dd>
emitted after a click
            of the middle button on an item
</dd>
</dl>
<h3>Derived from</h3>
QTreeWidget
<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="#E5TreeWidget.__init__">E5TreeWidget</a></td>
<td>Constructor</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.__iterateAllItems">__iterateAllItems</a></td>
<td>Private method to iterate over the child items of the parent.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.__scheduleRefresh">__scheduleRefresh</a></td>
<td>Private slot to schedule a refresh of the tree.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.addTopLevelItem">addTopLevelItem</a></td>
<td>Public method to add a top level item.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.addTopLevelItems">addTopLevelItems</a></td>
<td>Public method to add a list of top level items.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.allItems">allItems</a></td>
<td>Public method to get a list of all items.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.appendToParentItem">appendToParentItem</a></td>
<td>Public method to append an item to a parent item.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.clear">clear</a></td>
<td>Public slot to clear the tree.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.deleteItem">deleteItem</a></td>
<td>Public method to delete an item.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.deleteItems">deleteItems</a></td>
<td>Public method to delete a list of items.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.filterString">filterString</a></td>
<td>Public slot to set a new filter.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.insertTopLevelItem">insertTopLevelItem</a></td>
<td>Public method to insert a top level item.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.insertTopLevelItems">insertTopLevelItems</a></td>
<td>Public method to insert a list of top level items.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.mousePressEvent">mousePressEvent</a></td>
<td>Protected method handling mouse press events.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.prependToParentItem">prependToParentItem</a></td>
<td>Public method to prepend an item to a parent item.</td>
</tr>
<tr>
<td><a href="#E5TreeWidget.setDefaultItemShowMode">setDefaultItemShowMode</a></td>
<td>Public method to set the default item show mode.</td>
</tr>
</table>
<h3>Static Methods</h3>

<table>
<tr><td>None</td></tr>
</table>

<a NAME="E5TreeWidget.__init__" ID="E5TreeWidget.__init__"></a>
<h4>E5TreeWidget (Constructor)</h4>
<b>E5TreeWidget</b>(<i>parent=None</i>)

<p>
        Constructor
</p>
<dl>

<dt><i>parent</i></dt>
<dd>
reference to the parent widget (QWidget)
</dd>
</dl>
<a NAME="E5TreeWidget.__iterateAllItems" ID="E5TreeWidget.__iterateAllItems"></a>
<h4>E5TreeWidget.__iterateAllItems</h4>
<b>__iterateAllItems</b>(<i>parent</i>)

<p>
        Private method to iterate over the child items of the parent.
</p>
<dl>

<dt><i>parent</i></dt>
<dd>
parent item to iterate (QTreeWidgetItem)
</dd>
</dl>
<a NAME="E5TreeWidget.__scheduleRefresh" ID="E5TreeWidget.__scheduleRefresh"></a>
<h4>E5TreeWidget.__scheduleRefresh</h4>
<b>__scheduleRefresh</b>(<i></i>)

<p>
        Private slot to schedule a refresh of the tree.
</p>
<a NAME="E5TreeWidget.addTopLevelItem" ID="E5TreeWidget.addTopLevelItem"></a>
<h4>E5TreeWidget.addTopLevelItem</h4>
<b>addTopLevelItem</b>(<i>item</i>)

<p>
        Public method to add a top level item.
</p>
<dl>

<dt><i>item</i></dt>
<dd>
item to be added as a top level item (QTreeWidgetItem)
</dd>
</dl>
<a NAME="E5TreeWidget.addTopLevelItems" ID="E5TreeWidget.addTopLevelItems"></a>
<h4>E5TreeWidget.addTopLevelItems</h4>
<b>addTopLevelItems</b>(<i>items</i>)

<p>
        Public method to add a list of top level items.
</p>
<dl>

<dt><i>items</i></dt>
<dd>
items to be added as top level items
            (list of QTreeWidgetItem)
</dd>
</dl>
<a NAME="E5TreeWidget.allItems" ID="E5TreeWidget.allItems"></a>
<h4>E5TreeWidget.allItems</h4>
<b>allItems</b>(<i></i>)

<p>
        Public method to get a list of all items.
</p>
<dl>
<dt>Return:</dt>
<dd>
list of all items (list of QTreeWidgetItem)
</dd>
</dl>
<a NAME="E5TreeWidget.appendToParentItem" ID="E5TreeWidget.appendToParentItem"></a>
<h4>E5TreeWidget.appendToParentItem</h4>
<b>appendToParentItem</b>(<i>parent, item</i>)

<p>
        Public method to append an item to a parent item.
</p>
<dl>

<dt><i>parent</i></dt>
<dd>
text of the parent item (string) or
            the parent item (QTreeWidgetItem)
</dd>
<dt><i>item</i></dt>
<dd>
item to be appended (QTreeWidgetItem)
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
flag indicating success (boolean)
</dd>
</dl>
<dl>

<dt>Raises <b>RuntimeError</b>:</dt>
<dd>
raised to indicate an illegal type for
            the parent
</dd>
</dl>
<a NAME="E5TreeWidget.clear" ID="E5TreeWidget.clear"></a>
<h4>E5TreeWidget.clear</h4>
<b>clear</b>(<i></i>)

<p>
        Public slot to clear the tree.
</p>
<a NAME="E5TreeWidget.deleteItem" ID="E5TreeWidget.deleteItem"></a>
<h4>E5TreeWidget.deleteItem</h4>
<b>deleteItem</b>(<i>item</i>)

<p>
        Public method to delete an item.
</p>
<dl>

<dt><i>item</i></dt>
<dd>
item to be deleted (QTreeWidgetItem)
</dd>
</dl>
<a NAME="E5TreeWidget.deleteItems" ID="E5TreeWidget.deleteItems"></a>
<h4>E5TreeWidget.deleteItems</h4>
<b>deleteItems</b>(<i>items</i>)

<p>
        Public method to delete a list of items.
</p>
<dl>

<dt><i>items</i></dt>
<dd>
items to be deleted (list of QTreeWidgetItem)
</dd>
</dl>
<a NAME="E5TreeWidget.filterString" ID="E5TreeWidget.filterString"></a>
<h4>E5TreeWidget.filterString</h4>
<b>filterString</b>(<i>filterStr</i>)

<p>
        Public slot to set a new filter.
</p>
<dl>

<dt><i>filterStr</i></dt>
<dd>
filter to be set (string)
</dd>
</dl>
<a NAME="E5TreeWidget.insertTopLevelItem" ID="E5TreeWidget.insertTopLevelItem"></a>
<h4>E5TreeWidget.insertTopLevelItem</h4>
<b>insertTopLevelItem</b>(<i>index, item</i>)

<p>
        Public method to insert a top level item.
</p>
<dl>

<dt><i>index</i></dt>
<dd>
index for the insertion (integer)
</dd>
<dt><i>item</i></dt>
<dd>
item to be inserted as a top level item (QTreeWidgetItem)
</dd>
</dl>
<a NAME="E5TreeWidget.insertTopLevelItems" ID="E5TreeWidget.insertTopLevelItems"></a>
<h4>E5TreeWidget.insertTopLevelItems</h4>
<b>insertTopLevelItems</b>(<i>index, items</i>)

<p>
        Public method to insert a list of top level items.
</p>
<dl>

<dt><i>index</i></dt>
<dd>
index for the insertion (integer)
</dd>
<dt><i>items</i></dt>
<dd>
items to be inserted as top level items
            (list of QTreeWidgetItem)
</dd>
</dl>
<a NAME="E5TreeWidget.mousePressEvent" ID="E5TreeWidget.mousePressEvent"></a>
<h4>E5TreeWidget.mousePressEvent</h4>
<b>mousePressEvent</b>(<i>evt</i>)

<p>
        Protected method handling mouse press events.
</p>
<dl>

<dt><i>evt</i></dt>
<dd>
mouse press event (QMouseEvent)
</dd>
</dl>
<a NAME="E5TreeWidget.prependToParentItem" ID="E5TreeWidget.prependToParentItem"></a>
<h4>E5TreeWidget.prependToParentItem</h4>
<b>prependToParentItem</b>(<i>parent, item</i>)

<p>
        Public method to prepend an item to a parent item.
</p>
<dl>

<dt><i>parent</i></dt>
<dd>
text of the parent item (string) or
            the parent item (QTreeWidgetItem)
</dd>
<dt><i>item</i></dt>
<dd>
item to be prepended (QTreeWidgetItem)
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
flag indicating success (boolean)
</dd>
</dl>
<dl>

<dt>Raises <b>RuntimeError</b>:</dt>
<dd>
raised to indicate an illegal type for
            the parent
</dd>
</dl>
<a NAME="E5TreeWidget.setDefaultItemShowMode" ID="E5TreeWidget.setDefaultItemShowMode"></a>
<h4>E5TreeWidget.setDefaultItemShowMode</h4>
<b>setDefaultItemShowMode</b>(<i>mode</i>)

<p>
        Public method to set the default item show mode.
</p>
<dl>

<dt><i>mode</i> (E5TreeWidgetItemsState)</dt>
<dd>
default mode
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr />
<hr />
<a NAME="E5TreeWidgetItemsState" ID="E5TreeWidgetItemsState"></a>
<h2>E5TreeWidgetItemsState</h2>

<p>
    Class defining the items expansion state.
</p>
<h3>Derived from</h3>
enum.Enum
<h3>Class Attributes</h3>

<table>
<tr><td>COLLAPSED</td></tr><tr><td>EXPANDED</td></tr>
</table>
<h3>Class Methods</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Static Methods</h3>

<table>
<tr><td>None</td></tr>
</table>

<div align="right"><a href="#top">Up</a></div>
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