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<span>dupeGuru 4.0.3 documentation</span></a></h1>
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<h2 class="heading"><span>hscommon.gui.tree</span></h2>
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<div class="section" id="module-hscommon.gui.tree">
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<span id="hscommon-gui-tree"></span><h1>hscommon.gui.tree<a class="headerlink" href="#module-hscommon.gui.tree" title="Permalink to this headline">¶</a></h1>
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<table border="1" class="longtable docutils">
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<colgroup>
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<tbody valign="top">
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<tr class="row-odd"><td><a class="reference internal" href="#hscommon.gui.tree.Tree" title="hscommon.gui.tree.Tree"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Tree</span></code></a>()</td>
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<td>Cross-toolkit GUI-enabled tree view.</td>
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</tr>
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<tr class="row-even"><td><a class="reference internal" href="#hscommon.gui.tree.Node" title="hscommon.gui.tree.Node"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Node</span></code></a>(name)</td>
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<td>Pretty bland node implementation to be used in a <a class="reference internal" href="#hscommon.gui.tree.Tree" title="hscommon.gui.tree.Tree"><code class="xref py py-class docutils literal notranslate"><span class="pre">Tree</span></code></a>.</td>
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</tr>
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</tbody>
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</table>
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<dl class="class">
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<dt id="hscommon.gui.tree.Tree">
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<em class="property">class </em><code class="descclassname">hscommon.gui.tree.</code><code class="descname">Tree</code><a class="headerlink" href="#hscommon.gui.tree.Tree" title="Permalink to this definition">¶</a></dt>
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<dd><p>Cross-toolkit GUI-enabled tree view.</p>
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<p>This class is a bit too thin to be used as a tree view controller out of the box and HS apps
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that subclasses it each add quite a bit of logic to it to make it workable. Making this more
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usable out of the box is a work in progress.</p>
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<p>This class is here (in addition to being a <a class="reference internal" href="#hscommon.gui.tree.Node" title="hscommon.gui.tree.Node"><code class="xref py py-class docutils literal notranslate"><span class="pre">Node</span></code></a>) mostly to handle selection.</p>
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<p>Subclasses <a class="reference internal" href="#hscommon.gui.tree.Node" title="hscommon.gui.tree.Node"><code class="xref py py-class docutils literal notranslate"><span class="pre">Node</span></code></a> (it is the root node of all its children) and <a class="reference internal" href="base.html#hscommon.gui.base.GUIObject" title="hscommon.gui.base.GUIObject"><code class="xref py py-class docutils literal notranslate"><span class="pre">GUIObject</span></code></a>.</p>
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<dl class="method">
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<dt id="hscommon.gui.tree.Tree._select_nodes">
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<code class="descname">_select_nodes</code><span class="sig-paren">(</span><em>nodes</em><span class="sig-paren">)</span><a class="headerlink" href="#hscommon.gui.tree.Tree._select_nodes" title="Permalink to this definition">¶</a></dt>
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<dd><p>(Virtual) Customize node selection behavior.</p>
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<p>By default, simply set <a class="reference internal" href="#hscommon.gui.tree.Tree._selected_nodes" title="hscommon.gui.tree.Tree._selected_nodes"><code class="xref py py-attr docutils literal notranslate"><span class="pre">_selected_nodes</span></code></a>.</p>
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</dd></dl>
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<dl class="method">
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<dt id="hscommon.gui.tree.Tree._view_updated">
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<code class="descname">_view_updated</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#hscommon.gui.tree.Tree._view_updated" title="Permalink to this definition">¶</a></dt>
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<dd><p>(Virtual) Called after <code class="xref py py-attr docutils literal notranslate"><span class="pre">view</span></code> has been set.</p>
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<p>Doing nothing by default, this method is called after <code class="xref py py-attr docutils literal notranslate"><span class="pre">view</span></code> has been set (it isn’t
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called when it’s unset, however). Use this for initialization code that requires a view
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(which is often the whole of the initialization code).</p>
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</dd></dl>
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<dl class="method">
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<dt id="hscommon.gui.tree.Tree.clear">
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<code class="descname">clear</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#hscommon.gui.tree.Tree.clear" title="Permalink to this definition">¶</a></dt>
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<dd><p>Clears the node of all its children.</p>
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</dd></dl>
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<dl class="attribute">
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<dt id="hscommon.gui.tree.Tree._selected_nodes">
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<code class="descname">_selected_nodes</code><em class="property"> = None</em><a class="headerlink" href="#hscommon.gui.tree.Tree._selected_nodes" title="Permalink to this definition">¶</a></dt>
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<dd><p>Where we store selected nodes (as a list of <a class="reference internal" href="#hscommon.gui.tree.Node" title="hscommon.gui.tree.Node"><code class="xref py py-class docutils literal notranslate"><span class="pre">Node</span></code></a>)</p>
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</dd></dl>
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<dl class="attribute">
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<dt id="hscommon.gui.tree.Tree.selected_node">
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<code class="descname">selected_node</code><a class="headerlink" href="#hscommon.gui.tree.Tree.selected_node" title="Permalink to this definition">¶</a></dt>
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<dd><p>Currently selected node.</p>
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<p><em>:class:`Node`</em>. <em>get/set</em>.</p>
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<p>First of <a class="reference internal" href="#hscommon.gui.tree.Tree.selected_nodes" title="hscommon.gui.tree.Tree.selected_nodes"><code class="xref py py-attr docutils literal notranslate"><span class="pre">selected_nodes</span></code></a>. <code class="docutils literal notranslate"><span class="pre">None</span></code> if empty.</p>
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</dd></dl>
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<dl class="attribute">
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<dt id="hscommon.gui.tree.Tree.selected_nodes">
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<code class="descname">selected_nodes</code><a class="headerlink" href="#hscommon.gui.tree.Tree.selected_nodes" title="Permalink to this definition">¶</a></dt>
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<dd><p>List of selected nodes in the tree.</p>
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<p><em>List of :class:`Node`</em>. <em>get/set</em>.</p>
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<p>We use nodes instead of indexes to store selection because it’s simpler when it’s time to
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manage selection of multiple node levels.</p>
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</dd></dl>
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<dl class="attribute">
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<dt id="hscommon.gui.tree.Tree.selected_path">
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<code class="descname">selected_path</code><a class="headerlink" href="#hscommon.gui.tree.Tree.selected_path" title="Permalink to this definition">¶</a></dt>
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<dd><p>Currently selected path.</p>
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<p><em>:attr:`Node.path`</em>. <em>get/set</em>.</p>
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<p>First of <a class="reference internal" href="#hscommon.gui.tree.Tree.selected_paths" title="hscommon.gui.tree.Tree.selected_paths"><code class="xref py py-attr docutils literal notranslate"><span class="pre">selected_paths</span></code></a>. <code class="docutils literal notranslate"><span class="pre">None</span></code> if empty.</p>
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</dd></dl>
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<dl class="attribute">
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<dt id="hscommon.gui.tree.Tree.selected_paths">
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<code class="descname">selected_paths</code><a class="headerlink" href="#hscommon.gui.tree.Tree.selected_paths" title="Permalink to this definition">¶</a></dt>
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<dd><p>List of selected paths in the tree.</p>
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<p><em>List of :attr:`Node.path`</em>. <em>get/set</em></p>
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<p>Computed from <a class="reference internal" href="#hscommon.gui.tree.Tree.selected_nodes" title="hscommon.gui.tree.Tree.selected_nodes"><code class="xref py py-attr docutils literal notranslate"><span class="pre">selected_nodes</span></code></a>.</p>
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</dd></dl>
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</dd></dl>
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<dl class="class">
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<dt id="hscommon.gui.tree.Node">
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<em class="property">class </em><code class="descclassname">hscommon.gui.tree.</code><code class="descname">Node</code><span class="sig-paren">(</span><em>name</em><span class="sig-paren">)</span><a class="headerlink" href="#hscommon.gui.tree.Node" title="Permalink to this definition">¶</a></dt>
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<dd><p>Pretty bland node implementation to be used in a <a class="reference internal" href="#hscommon.gui.tree.Tree" title="hscommon.gui.tree.Tree"><code class="xref py py-class docutils literal notranslate"><span class="pre">Tree</span></code></a>.</p>
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<p>It has a <a class="reference internal" href="#hscommon.gui.tree.Node.parent" title="hscommon.gui.tree.Node.parent"><code class="xref py py-attr docutils literal notranslate"><span class="pre">parent</span></code></a>, behaves like a list, its content being its children. Link integrity
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is somewhat enforced (adding a child to a node will set the child’s <a class="reference internal" href="#hscommon.gui.tree.Node.parent" title="hscommon.gui.tree.Node.parent"><code class="xref py py-attr docutils literal notranslate"><span class="pre">parent</span></code></a>, but that’s
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pretty much as far as we go, integrity-wise. Nodes don’t tend to move around much in a GUI
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tree). We don’t even check for infinite node loops. Don’t play around these grounds too much.</p>
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<p>Nodes are designed to be subclassed and given meaningful attributes (those you’ll want to
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display in your tree view), but they all have a <a class="reference internal" href="#hscommon.gui.tree.Node.name" title="hscommon.gui.tree.Node.name"><code class="xref py py-attr docutils literal notranslate"><span class="pre">name</span></code></a>, which is given on initialization.</p>
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<dl class="method">
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<dt id="hscommon.gui.tree.Node.append">
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<code class="descname">append</code><span class="sig-paren">(</span><em>node</em><span class="sig-paren">)</span><a class="headerlink" href="#hscommon.gui.tree.Node.append" title="Permalink to this definition">¶</a></dt>
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<dd><p>S.append(value) – append value to the end of the sequence</p>
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</dd></dl>
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<dl class="method">
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<dt id="hscommon.gui.tree.Node.clear">
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<code class="descname">clear</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#hscommon.gui.tree.Node.clear" title="Permalink to this definition">¶</a></dt>
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<dd><p>Clears the node of all its children.</p>
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</dd></dl>
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<dl class="method">
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<dt id="hscommon.gui.tree.Node.find">
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<code class="descname">find</code><span class="sig-paren">(</span><em>predicate</em>, <em>include_self=True</em><span class="sig-paren">)</span><a class="headerlink" href="#hscommon.gui.tree.Node.find" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return the first child to match <code class="docutils literal notranslate"><span class="pre">predicate</span></code>.</p>
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<p>See <a class="reference internal" href="#hscommon.gui.tree.Node.findall" title="hscommon.gui.tree.Node.findall"><code class="xref py py-meth docutils literal notranslate"><span class="pre">findall()</span></code></a>.</p>
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</dd></dl>
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<dl class="method">
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<dt id="hscommon.gui.tree.Node.findall">
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<code class="descname">findall</code><span class="sig-paren">(</span><em>predicate</em>, <em>include_self=True</em><span class="sig-paren">)</span><a class="headerlink" href="#hscommon.gui.tree.Node.findall" title="Permalink to this definition">¶</a></dt>
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<dd><p>Yield all children matching <code class="docutils literal notranslate"><span class="pre">predicate</span></code>.</p>
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<table class="docutils field-list" frame="void" rules="none">
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<col class="field-name" />
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<col class="field-body" />
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<tbody valign="top">
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<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
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<li><strong>predicate</strong> – <code class="docutils literal notranslate"><span class="pre">f(node)</span> <span class="pre">--></span> <span class="pre">bool</span></code></li>
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<li><strong>include_self</strong> – Whether we can return <code class="docutils literal notranslate"><span class="pre">self</span></code> or we return only children.</li>
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</ul>
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</td>
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</tr>
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</tbody>
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</table>
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</dd></dl>
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<dl class="method">
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<dt id="hscommon.gui.tree.Node.get_node">
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<code class="descname">get_node</code><span class="sig-paren">(</span><em>index_path</em><span class="sig-paren">)</span><a class="headerlink" href="#hscommon.gui.tree.Node.get_node" title="Permalink to this definition">¶</a></dt>
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<dd><p>Returns the node at <code class="docutils literal notranslate"><span class="pre">index_path</span></code>.</p>
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<table class="docutils field-list" frame="void" rules="none">
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<col class="field-name" />
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<col class="field-body" />
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<tbody valign="top">
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<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>index_path</strong> – a list of int indexes leading to our node. See <a class="reference internal" href="#hscommon.gui.tree.Node.path" title="hscommon.gui.tree.Node.path"><code class="xref py py-attr docutils literal notranslate"><span class="pre">path</span></code></a>.</td>
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</tr>
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</tbody>
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</table>
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</dd></dl>
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<dl class="method">
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<dt id="hscommon.gui.tree.Node.get_path">
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<code class="descname">get_path</code><span class="sig-paren">(</span><em>target_node</em><span class="sig-paren">)</span><a class="headerlink" href="#hscommon.gui.tree.Node.get_path" title="Permalink to this definition">¶</a></dt>
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<dd><p>Returns the <a class="reference internal" href="#hscommon.gui.tree.Node.path" title="hscommon.gui.tree.Node.path"><code class="xref py py-attr docutils literal notranslate"><span class="pre">path</span></code></a> of <code class="docutils literal notranslate"><span class="pre">target_node</span></code>.</p>
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<p>If <code class="docutils literal notranslate"><span class="pre">target_node</span></code> is <code class="docutils literal notranslate"><span class="pre">None</span></code>, returns <code class="docutils literal notranslate"><span class="pre">None</span></code>.</p>
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</dd></dl>
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<dl class="method">
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<dt id="hscommon.gui.tree.Node.insert">
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<code class="descname">insert</code><span class="sig-paren">(</span><em>index</em>, <em>node</em><span class="sig-paren">)</span><a class="headerlink" href="#hscommon.gui.tree.Node.insert" title="Permalink to this definition">¶</a></dt>
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<dd><p>S.insert(index, value) – insert value before index</p>
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</dd></dl>
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<dl class="attribute">
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<dt id="hscommon.gui.tree.Node.children_count">
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<code class="descname">children_count</code><a class="headerlink" href="#hscommon.gui.tree.Node.children_count" title="Permalink to this definition">¶</a></dt>
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<dd><p>Same as <code class="docutils literal notranslate"><span class="pre">len(self)</span></code>.</p>
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</dd></dl>
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<dl class="attribute">
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<dt id="hscommon.gui.tree.Node.name">
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<code class="descname">name</code><a class="headerlink" href="#hscommon.gui.tree.Node.name" title="Permalink to this definition">¶</a></dt>
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<dd><p>Name for the node, supplied on init.</p>
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</dd></dl>
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<dl class="attribute">
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<dt id="hscommon.gui.tree.Node.parent">
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<code class="descname">parent</code><a class="headerlink" href="#hscommon.gui.tree.Node.parent" title="Permalink to this definition">¶</a></dt>
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<dd><p>Parent of the node.</p>
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<p>If <code class="docutils literal notranslate"><span class="pre">None</span></code>, we have a root node.</p>
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</dd></dl>
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<dl class="attribute">
|
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<dt id="hscommon.gui.tree.Node.path">
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<code class="descname">path</code><a class="headerlink" href="#hscommon.gui.tree.Node.path" title="Permalink to this definition">¶</a></dt>
|
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<dd><p>A list of node indexes leading from the root node to <code class="docutils literal notranslate"><span class="pre">self</span></code>.</p>
|
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<p>The path of a node is always related to its <a class="reference internal" href="#hscommon.gui.tree.Node.root" title="hscommon.gui.tree.Node.root"><code class="xref py py-attr docutils literal notranslate"><span class="pre">root</span></code></a>. It’s the sequences of index that
|
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|
we have to take to get to our node, starting from the root. For example, if
|
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|
<code class="docutils literal notranslate"><span class="pre">node.path</span> <span class="pre">==</span> <span class="pre">[1,</span> <span class="pre">2,</span> <span class="pre">3,</span> <span class="pre">4]</span></code>, it means that <code class="docutils literal notranslate"><span class="pre">node.root[1][2][3][4]</span> <span class="pre">is</span> <span class="pre">node</span></code>.</p>
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</dd></dl>
|
|||
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|
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|
<dl class="attribute">
|
|||
|
|
<dt id="hscommon.gui.tree.Node.root">
|
|||
|
|
<code class="descname">root</code><a class="headerlink" href="#hscommon.gui.tree.Node.root" title="Permalink to this definition">¶</a></dt>
|
|||
|
|
<dd><p>Root node of current node.</p>
|
|||
|
|
<p>To get it, we recursively follow our <a class="reference internal" href="#hscommon.gui.tree.Node.parent" title="hscommon.gui.tree.Node.parent"><code class="xref py py-attr docutils literal notranslate"><span class="pre">parent</span></code></a> chain until we have <code class="docutils literal notranslate"><span class="pre">None</span></code>.</p>
|
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</dd></dl>
|
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</dd></dl>
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</div>
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<div class="bottomnav" role="navigation" aria-label="bottom navigation">
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<p>
|
|||
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«  <a href="text_field.html">hscommon.gui.text_field</a>
|
|||
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  ::  
|
|||
|
|
<a class="uplink" href="../../../index.html">Contents</a>
|
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  ::  
|
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<a href="../../../changelog.html">Changelog</a>  »
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</p>
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</div>
|
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|
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<div class="footer" role="contentinfo">
|
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© Copyright 2016, Hardcoded Software.
|
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Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.7.1.
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