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<?xml version="1.0" encoding="UTF-8"?>
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<title>Akonadi.ItemMonitor</title>
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<img alt ="" src="../common/top-kde.jpg"/>
KDE 4.9 PyKDE API Reference
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<li>KDE's Python API</li>
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<h1>ItemMonitor Class Reference</h1>
<code>from PyKDE4.akonadi import *</code>
<p>
Namespace: <a href="../akonadi/Akonadi.html">Akonadi</a><br />
<h2>Detailed Description</h2>
<p>A convenience class to monitor a single item for changes.
</p>
<p>
This class can be used as a base class for classes that want to show
a single item to the user and keep track of status changes of the item
without having to using a Monitor object themself.
</p>
<p>
Example:
</p>
<p>
<pre class="fragment">
// A label that shows the name of a contact item
class ContactLabel : public QLabel, public Akonadi.ItemMonitor
{
public:
ContactLabel( QWidget *parent = 0 )
: QLabel( parent )
{
setText( "No Name" );
}
protected:
virtual void itemChanged( const Akonadi.Item &item )
{
if ( item.mimeType() != "text/directory" )
return;
const KABC.Addressee addr = item.payload<KABC.Addressee>();
setText( addr.fullName() );
}
virtual void itemRemoved()
{
setText( "No Name" );
}
};
...
ContactLabel *label = new ContactLabel( this );
const Akonadi.Item item = fetchJob->items().first();
label->setItem( item );
</pre>
</p>
<p>
<dl class="author" compact><dt><b>Author:</b></dt><dd> Tobias Koenig <tokoe@kde.org> </dd></dl>
</p>
<table border="0" cellpadding="0" cellspacing="0"><tr><td colspan="2"><br><h2>Methods</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ItemMonitor">__init__</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../akonadi/Akonadi.ItemFetchScope.html">Akonadi.ItemFetchScope</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#fetchScope">fetchScope</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../akonadi/Akonadi.Item.html">Akonadi.Item</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#item">item</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#itemChanged">itemChanged</a> (self, <a href="../akonadi/Akonadi.Item.html">Akonadi.Item</a> item)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#itemRemoved">itemRemoved</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setFetchScope">setFetchScope</a> (self, <a href="../akonadi/Akonadi.ItemFetchScope.html">Akonadi.ItemFetchScope</a> fetchScope)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setItem">setItem</a> (self, <a href="../akonadi/Akonadi.Item.html">Akonadi.Item</a> item)</td></tr>
</table>
<hr><h2>Method Documentation</h2><a class="anchor" name="ItemMonitor"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Creates a new item monitor.
</p></div></div><a class="anchor" name="fetchScope"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../akonadi/Akonadi.ItemFetchScope.html">Akonadi.ItemFetchScope</a> fetchScope</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Returns the item fetch scope.
</p>
<p>
Since this returns a reference it can be used to conveniently modify the
current scope in-place, i.e. by calling a method on the returned reference
without storing it in a local variable. See the ItemFetchScope documentation
for an example.
</p>
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd> a reference to the current item fetch scope
</dd></dl> </p>
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd> setFetchScope() for replacing the current item fetch scope
</dd></dl>
</p></div></div><a class="anchor" name="item"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../akonadi/Akonadi.Item.html">Akonadi.Item</a> item</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>Returns the currently monitored item.
</p></div></div><a class="anchor" name="itemChanged"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> itemChanged</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="../akonadi/Akonadi.Item.html">Akonadi.Item</a> </td>
<td class="paramname"><em>item</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>This method is called whenever the monitored item has changed.
</p>
<p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>item</em> </td><td> The changed item.
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="itemRemoved"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> itemRemoved</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>This method is called whenever the monitored item has been removed.
</p></div></div><a class="anchor" name="setFetchScope"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setFetchScope</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="../akonadi/Akonadi.ItemFetchScope.html">Akonadi.ItemFetchScope</a> </td>
<td class="paramname"><em>fetchScope</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Sets the item fetch scope.
</p>
<p>
Controls how much of an item's data is fetched from the server, e.g.
whether to fetch the full item payload or only meta data.
</p>
<p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>fetchScope</em> </td><td> The new scope for item fetch operations.
</td></tr>
</table></dl>
<p> <dl class="see" compact><dt><b>See also:</b></dt><dd> fetchScope()
</dd></dl>
</p></div></div><a class="anchor" name="setItem"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setItem</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype"><a href="../akonadi/Akonadi.Item.html">Akonadi.Item</a> </td>
<td class="paramname"><em>item</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Sets the <b>item</b> that shall be monitored.
</p></div></div>
</div>
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