1
0
mirror of https://github.com/arsenetar/dupeguru.git synced 2024-11-12 18:49:03 +00:00
dupeguru/help/en/developer/hscommon/gui/tree.html
Andrew Senetar bacba3f0a5
Update site to include help
- Add sphinx documentation generated from build to help
- Add link to help (in english) in header
- Add link to github in header
2018-04-08 11:25:34 -05:00

260 lines
18 KiB
HTML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>hscommon.gui.tree &#8212; dupeGuru 4.0.3 documentation</title>
<link rel="stylesheet" href="../../../_static/haiku.css" type="text/css" />
<link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" />
<script type="text/javascript" src="../../../_static/documentation_options.js"></script>
<script type="text/javascript" src="../../../_static/jquery.js"></script>
<script type="text/javascript" src="../../../_static/underscore.js"></script>
<script type="text/javascript" src="../../../_static/doctools.js"></script>
<script type="text/javascript" src="../../../_static/translations.js"></script>
<link rel="index" title="Index" href="../../../genindex.html" />
<link rel="search" title="Search" href="../../../search.html" />
<link rel="next" title="Changelog" href="../../../changelog.html" />
<link rel="prev" title="hscommon.gui.text_field" href="text_field.html" />
</head><body>
<div class="header" role="banner"><h1 class="heading"><a href="../../../index.html">
<span>dupeGuru 4.0.3 documentation</span></a></h1>
<h2 class="heading"><span>hscommon.gui.tree</span></h2>
</div>
<div class="topnav" role="navigation" aria-label="top navigation">
<p>
«&#160;&#160;<a href="text_field.html">hscommon.gui.text_field</a>
&#160;&#160;::&#160;&#160;
<a class="uplink" href="../../../index.html">Contents</a>
&#160;&#160;::&#160;&#160;
<a href="../../../changelog.html">Changelog</a>&#160;&#160;»
</p>
</div>
<div class="content">
<div class="section" id="module-hscommon.gui.tree">
<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>
<table border="1" class="longtable docutils">
<colgroup>
<col width="10%" />
<col width="90%" />
</colgroup>
<tbody valign="top">
<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>
<td>Cross-toolkit GUI-enabled tree view.</td>
</tr>
<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>
<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>
</tr>
</tbody>
</table>
<dl class="class">
<dt id="hscommon.gui.tree.Tree">
<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>
<dd><p>Cross-toolkit GUI-enabled tree view.</p>
<p>This class is a bit too thin to be used as a tree view controller out of the box and HS apps
that subclasses it each add quite a bit of logic to it to make it workable. Making this more
usable out of the box is a work in progress.</p>
<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>
<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>
<dl class="method">
<dt id="hscommon.gui.tree.Tree._select_nodes">
<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>
<dd><p>(Virtual) Customize node selection behavior.</p>
<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>
</dd></dl>
<dl class="method">
<dt id="hscommon.gui.tree.Tree._view_updated">
<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>
<dd><p>(Virtual) Called after <code class="xref py py-attr docutils literal notranslate"><span class="pre">view</span></code> has been set.</p>
<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 isnt
called when its unset, however). Use this for initialization code that requires a view
(which is often the whole of the initialization code).</p>
</dd></dl>
<dl class="method">
<dt id="hscommon.gui.tree.Tree.clear">
<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>
<dd><p>Clears the node of all its children.</p>
</dd></dl>
<dl class="attribute">
<dt id="hscommon.gui.tree.Tree._selected_nodes">
<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>
<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>
</dd></dl>
<dl class="attribute">
<dt id="hscommon.gui.tree.Tree.selected_node">
<code class="descname">selected_node</code><a class="headerlink" href="#hscommon.gui.tree.Tree.selected_node" title="Permalink to this definition"></a></dt>
<dd><p>Currently selected node.</p>
<p><em>:class:`Node`</em>. <em>get/set</em>.</p>
<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>
</dd></dl>
<dl class="attribute">
<dt id="hscommon.gui.tree.Tree.selected_nodes">
<code class="descname">selected_nodes</code><a class="headerlink" href="#hscommon.gui.tree.Tree.selected_nodes" title="Permalink to this definition"></a></dt>
<dd><p>List of selected nodes in the tree.</p>
<p><em>List of :class:`Node`</em>. <em>get/set</em>.</p>
<p>We use nodes instead of indexes to store selection because its simpler when its time to
manage selection of multiple node levels.</p>
</dd></dl>
<dl class="attribute">
<dt id="hscommon.gui.tree.Tree.selected_path">
<code class="descname">selected_path</code><a class="headerlink" href="#hscommon.gui.tree.Tree.selected_path" title="Permalink to this definition"></a></dt>
<dd><p>Currently selected path.</p>
<p><em>:attr:`Node.path`</em>. <em>get/set</em>.</p>
<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>
</dd></dl>
<dl class="attribute">
<dt id="hscommon.gui.tree.Tree.selected_paths">
<code class="descname">selected_paths</code><a class="headerlink" href="#hscommon.gui.tree.Tree.selected_paths" title="Permalink to this definition"></a></dt>
<dd><p>List of selected paths in the tree.</p>
<p><em>List of :attr:`Node.path`</em>. <em>get/set</em></p>
<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>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="hscommon.gui.tree.Node">
<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>
<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>
<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
is somewhat enforced (adding a child to a node will set the childs <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 thats
pretty much as far as we go, integrity-wise. Nodes dont tend to move around much in a GUI
tree). We dont even check for infinite node loops. Dont play around these grounds too much.</p>
<p>Nodes are designed to be subclassed and given meaningful attributes (those youll want to
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>
<dl class="method">
<dt id="hscommon.gui.tree.Node.append">
<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>
<dd><p>S.append(value) append value to the end of the sequence</p>
</dd></dl>
<dl class="method">
<dt id="hscommon.gui.tree.Node.clear">
<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>
<dd><p>Clears the node of all its children.</p>
</dd></dl>
<dl class="method">
<dt id="hscommon.gui.tree.Node.find">
<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>
<dd><p>Return the first child to match <code class="docutils literal notranslate"><span class="pre">predicate</span></code>.</p>
<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>
</dd></dl>
<dl class="method">
<dt id="hscommon.gui.tree.Node.findall">
<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>
<dd><p>Yield all children matching <code class="docutils literal notranslate"><span class="pre">predicate</span></code>.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>predicate</strong> <code class="docutils literal notranslate"><span class="pre">f(node)</span> <span class="pre">--&gt;</span> <span class="pre">bool</span></code></li>
<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>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="method">
<dt id="hscommon.gui.tree.Node.get_node">
<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>
<dd><p>Returns the node at <code class="docutils literal notranslate"><span class="pre">index_path</span></code>.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<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>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="method">
<dt id="hscommon.gui.tree.Node.get_path">
<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>
<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>
<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>
</dd></dl>
<dl class="method">
<dt id="hscommon.gui.tree.Node.insert">
<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>
<dd><p>S.insert(index, value) insert value before index</p>
</dd></dl>
<dl class="attribute">
<dt id="hscommon.gui.tree.Node.children_count">
<code class="descname">children_count</code><a class="headerlink" href="#hscommon.gui.tree.Node.children_count" title="Permalink to this definition"></a></dt>
<dd><p>Same as <code class="docutils literal notranslate"><span class="pre">len(self)</span></code>.</p>
</dd></dl>
<dl class="attribute">
<dt id="hscommon.gui.tree.Node.name">
<code class="descname">name</code><a class="headerlink" href="#hscommon.gui.tree.Node.name" title="Permalink to this definition"></a></dt>
<dd><p>Name for the node, supplied on init.</p>
</dd></dl>
<dl class="attribute">
<dt id="hscommon.gui.tree.Node.parent">
<code class="descname">parent</code><a class="headerlink" href="#hscommon.gui.tree.Node.parent" title="Permalink to this definition"></a></dt>
<dd><p>Parent of the node.</p>
<p>If <code class="docutils literal notranslate"><span class="pre">None</span></code>, we have a root node.</p>
</dd></dl>
<dl class="attribute">
<dt id="hscommon.gui.tree.Node.path">
<code class="descname">path</code><a class="headerlink" href="#hscommon.gui.tree.Node.path" title="Permalink to this definition"></a></dt>
<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>
<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>. Its the sequences of index that
we have to take to get to our node, starting from the root. For example, if
<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>
</dd></dl>
<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>
</dd></dl>
</dd></dl>
</div>
</div>
<div class="bottomnav" role="navigation" aria-label="bottom navigation">
<p>
«&#160;&#160;<a href="text_field.html">hscommon.gui.text_field</a>
&#160;&#160;::&#160;&#160;
<a class="uplink" href="../../../index.html">Contents</a>
&#160;&#160;::&#160;&#160;
<a href="../../../changelog.html">Changelog</a>&#160;&#160;»
</p>
</div>
<div class="footer" role="contentinfo">
&#169; Copyright 2016, Hardcoded Software.
Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.7.1.
</div>
</body>
</html>