Documentation/Source/eric5.Helpviewer.Download.DownloadManager.html

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<h1>eric5.Helpviewer.Download.DownloadManager</h1>
<p>
Module implementing the download manager class.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#DownloadManager">DownloadManager</a></td>
<td>Class implementing the download manager.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr><td>None</td></tr>
</table>
<hr /><hr />
<a NAME="DownloadManager" ID="DownloadManager"></a>
<h2>DownloadManager</h2>
<p>
    Class implementing the download manager.
</p>
<h3>Derived from</h3>
QDialog, Ui_DownloadManager
<h3>Class Attributes</h3>
<table>
<tr><td>RemoveExit</td></tr><tr><td>RemoveNever</td></tr><tr><td>RemoveSuccessFullDownload</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#DownloadManager.__init__">DownloadManager</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#DownloadManager.__addItem">__addItem</a></td>
<td>Private method to add a download to the list of downloads.</td>
</tr><tr>
<td><a href="#DownloadManager.__contextMenuCancel">__contextMenuCancel</a></td>
<td>Private method to cancel the current download.</td>
</tr><tr>
<td><a href="#DownloadManager.__contextMenuCopyLink">__contextMenuCopyLink</a></td>
<td>Private method to copy the download link to the clipboard.</td>
</tr><tr>
<td><a href="#DownloadManager.__contextMenuGotoPage">__contextMenuGotoPage</a></td>
<td>Private method to open the download page.</td>
</tr><tr>
<td><a href="#DownloadManager.__contextMenuOpen">__contextMenuOpen</a></td>
<td>Private method to open the downloaded file.</td>
</tr><tr>
<td><a href="#DownloadManager.__contextMenuOpenFolder">__contextMenuOpenFolder</a></td>
<td>Private method to open the folder containing the downloaded file.</td>
</tr><tr>
<td><a href="#DownloadManager.__contextMenuRemoveSelected">__contextMenuRemoveSelected</a></td>
<td>Private method to remove the selected downloads from the list.</td>
</tr><tr>
<td><a href="#DownloadManager.__contextMenuRetry">__contextMenuRetry</a></td>
<td>Private method to retry of the download.</td>
</tr><tr>
<td><a href="#DownloadManager.__contextMenuSelectAll">__contextMenuSelectAll</a></td>
<td>Private method to select all downloads.</td>
</tr><tr>
<td><a href="#DownloadManager.__currentItem">__currentItem</a></td>
<td>Private method to get a reference to the current item.</td>
</tr><tr>
<td><a href="#DownloadManager.__customContextMenuRequested">__customContextMenuRequested</a></td>
<td>Private slot to handle the context menu request for the bookmarks tree.</td>
</tr><tr>
<td><a href="#DownloadManager.__finished">__finished</a></td>
<td>Private slot to handle a finished download.</td>
</tr><tr>
<td><a href="#DownloadManager.__load">__load</a></td>
<td>Private method to load the download settings.</td>
</tr><tr>
<td><a href="#DownloadManager.__updateActiveItemCount">__updateActiveItemCount</a></td>
<td>Private method to update the window title.</td>
</tr><tr>
<td><a href="#DownloadManager.__updateItemCount">__updateItemCount</a></td>
<td>Private method to update the count label.</td>
</tr><tr>
<td><a href="#DownloadManager.__updateRow">__updateRow</a></td>
<td>Private slot to update a download item.</td>
</tr><tr>
<td><a href="#DownloadManager.activeDownloads">activeDownloads</a></td>
<td>Public method to get the number of active downloads.</td>
</tr><tr>
<td><a href="#DownloadManager.allowQuit">allowQuit</a></td>
<td>Public method to check, if it is ok to quit.</td>
</tr><tr>
<td><a href="#DownloadManager.changeOccurred">changeOccurred</a></td>
<td>Public method to signal a change.</td>
</tr><tr>
<td><a href="#DownloadManager.cleanup">cleanup</a></td>
<td>Public slot to cleanup the downloads.</td>
</tr><tr>
<td><a href="#DownloadManager.count">count</a></td>
<td>Public method to get the number of downloads.</td>
</tr><tr>
<td><a href="#DownloadManager.download">download</a></td>
<td>Public method to download a file.</td>
</tr><tr>
<td><a href="#DownloadManager.downloadDirectory">downloadDirectory</a></td>
<td>Public method to get the current download directory.</td>
</tr><tr>
<td><a href="#DownloadManager.downloads">downloads</a></td>
<td>Public method to get a reference to the downloads.</td>
</tr><tr>
<td><a href="#DownloadManager.handleUnsupportedContent">handleUnsupportedContent</a></td>
<td>Public method to handle unsupported content by downloading the referenced resource.</td>
</tr><tr>
<td><a href="#DownloadManager.on_cleanupButton_clicked">on_cleanupButton_clicked</a></td>
<td>Private slot cleanup the downloads.</td>
</tr><tr>
<td><a href="#DownloadManager.removePolicy">removePolicy</a></td>
<td>Public method to get the remove policy.</td>
</tr><tr>
<td><a href="#DownloadManager.save">save</a></td>
<td>Public method to save the download settings.</td>
</tr><tr>
<td><a href="#DownloadManager.setDownloadDirectory">setDownloadDirectory</a></td>
<td>Public method to set the current download directory.</td>
</tr><tr>
<td><a href="#DownloadManager.setRemovePolicy">setRemovePolicy</a></td>
<td>Public method to set the remove policy.</td>
</tr><tr>
<td><a href="#DownloadManager.shutdown">shutdown</a></td>
<td>Public method to stop the download manager.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="DownloadManager.__init__" ID="DownloadManager.__init__"></a>
<h4>DownloadManager (Constructor)</h4>
<b>DownloadManager</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="DownloadManager.__addItem" ID="DownloadManager.__addItem"></a>
<h4>DownloadManager.__addItem</h4>
<b>__addItem</b>(<i>itm</i>)
<p>
        Private method to add a download to the list of downloads.
</p><dl>
<dt><i>itm</i></dt>
<dd>
reference to the download item (DownloadItem)
</dd>
</dl><a NAME="DownloadManager.__contextMenuCancel" ID="DownloadManager.__contextMenuCancel"></a>
<h4>DownloadManager.__contextMenuCancel</h4>
<b>__contextMenuCancel</b>(<i></i>)
<p>
        Private method to cancel the current download.
</p><a NAME="DownloadManager.__contextMenuCopyLink" ID="DownloadManager.__contextMenuCopyLink"></a>
<h4>DownloadManager.__contextMenuCopyLink</h4>
<b>__contextMenuCopyLink</b>(<i></i>)
<p>
        Private method to copy the download link to the clipboard.
</p><a NAME="DownloadManager.__contextMenuGotoPage" ID="DownloadManager.__contextMenuGotoPage"></a>
<h4>DownloadManager.__contextMenuGotoPage</h4>
<b>__contextMenuGotoPage</b>(<i></i>)
<p>
        Private method to open the download page.
</p><a NAME="DownloadManager.__contextMenuOpen" ID="DownloadManager.__contextMenuOpen"></a>
<h4>DownloadManager.__contextMenuOpen</h4>
<b>__contextMenuOpen</b>(<i></i>)
<p>
        Private method to open the downloaded file.
</p><a NAME="DownloadManager.__contextMenuOpenFolder" ID="DownloadManager.__contextMenuOpenFolder"></a>
<h4>DownloadManager.__contextMenuOpenFolder</h4>
<b>__contextMenuOpenFolder</b>(<i></i>)
<p>
        Private method to open the folder containing the downloaded file.
</p><a NAME="DownloadManager.__contextMenuRemoveSelected" ID="DownloadManager.__contextMenuRemoveSelected"></a>
<h4>DownloadManager.__contextMenuRemoveSelected</h4>
<b>__contextMenuRemoveSelected</b>(<i></i>)
<p>
        Private method to remove the selected downloads from the list.
</p><a NAME="DownloadManager.__contextMenuRetry" ID="DownloadManager.__contextMenuRetry"></a>
<h4>DownloadManager.__contextMenuRetry</h4>
<b>__contextMenuRetry</b>(<i></i>)
<p>
        Private method to retry of the download.
</p><a NAME="DownloadManager.__contextMenuSelectAll" ID="DownloadManager.__contextMenuSelectAll"></a>
<h4>DownloadManager.__contextMenuSelectAll</h4>
<b>__contextMenuSelectAll</b>(<i></i>)
<p>
        Private method to select all downloads.
</p><a NAME="DownloadManager.__currentItem" ID="DownloadManager.__currentItem"></a>
<h4>DownloadManager.__currentItem</h4>
<b>__currentItem</b>(<i></i>)
<p>
        Private method to get a reference to the current item.
</p><dl>
<dt>Returns:</dt>
<dd>
reference to the current item (DownloadItem)
</dd>
</dl><a NAME="DownloadManager.__customContextMenuRequested" ID="DownloadManager.__customContextMenuRequested"></a>
<h4>DownloadManager.__customContextMenuRequested</h4>
<b>__customContextMenuRequested</b>(<i>pos</i>)
<p>
        Private slot to handle the context menu request for the bookmarks tree.
</p><dl>
<dt><i>pos</i></dt>
<dd>
position the context menu was requested (QPoint)
</dd>
</dl><a NAME="DownloadManager.__finished" ID="DownloadManager.__finished"></a>
<h4>DownloadManager.__finished</h4>
<b>__finished</b>(<i></i>)
<p>
        Private slot to handle a finished download.
</p><a NAME="DownloadManager.__load" ID="DownloadManager.__load"></a>
<h4>DownloadManager.__load</h4>
<b>__load</b>(<i></i>)
<p>
        Private method to load the download settings.
</p><a NAME="DownloadManager.__updateActiveItemCount" ID="DownloadManager.__updateActiveItemCount"></a>
<h4>DownloadManager.__updateActiveItemCount</h4>
<b>__updateActiveItemCount</b>(<i></i>)
<p>
        Private method to update the window title.
</p><a NAME="DownloadManager.__updateItemCount" ID="DownloadManager.__updateItemCount"></a>
<h4>DownloadManager.__updateItemCount</h4>
<b>__updateItemCount</b>(<i></i>)
<p>
        Private method to update the count label.
</p><a NAME="DownloadManager.__updateRow" ID="DownloadManager.__updateRow"></a>
<h4>DownloadManager.__updateRow</h4>
<b>__updateRow</b>(<i>itm=None</i>)
<p>
        Private slot to update a download item.
</p><dl>
<dt><i>itm</i></dt>
<dd>
reference to the download item (DownloadItem)
</dd>
</dl><a NAME="DownloadManager.activeDownloads" ID="DownloadManager.activeDownloads"></a>
<h4>DownloadManager.activeDownloads</h4>
<b>activeDownloads</b>(<i></i>)
<p>
        Public method to get the number of active downloads.
</p><dl>
<dt>Returns:</dt>
<dd>
number of active downloads (integer)
</dd>
</dl><a NAME="DownloadManager.allowQuit" ID="DownloadManager.allowQuit"></a>
<h4>DownloadManager.allowQuit</h4>
<b>allowQuit</b>(<i></i>)
<p>
        Public method to check, if it is ok to quit.
</p><dl>
<dt>Returns:</dt>
<dd>
flag indicating allowance to quit (boolean)
</dd>
</dl><a NAME="DownloadManager.changeOccurred" ID="DownloadManager.changeOccurred"></a>
<h4>DownloadManager.changeOccurred</h4>
<b>changeOccurred</b>(<i></i>)
<p>
        Public method to signal a change.
</p><a NAME="DownloadManager.cleanup" ID="DownloadManager.cleanup"></a>
<h4>DownloadManager.cleanup</h4>
<b>cleanup</b>(<i></i>)
<p>
        Public slot to cleanup the downloads.
</p><a NAME="DownloadManager.count" ID="DownloadManager.count"></a>
<h4>DownloadManager.count</h4>
<b>count</b>(<i></i>)
<p>
        Public method to get the number of downloads.
</p><dl>
<dt>Returns:</dt>
<dd>
number of downloads (integer)
</dd>
</dl><a NAME="DownloadManager.download" ID="DownloadManager.download"></a>
<h4>DownloadManager.download</h4>
<b>download</b>(<i>requestOrUrl, requestFileName=False, mainWindow=None</i>)
<p>
        Public method to download a file.
</p><dl>
<dt><i>requestOrUrl</i></dt>
<dd>
reference to a request object (QNetworkRequest)
            or a URL to be downloaded (QUrl)
</dd><dt><i>requestFileName=</i></dt>
<dd>
flag indicating to ask for the
            download file name (boolean)
</dd><dt><i>mainWindow=</i></dt>
<dd>
reference to the main window (HelpWindow)
</dd>
</dl><a NAME="DownloadManager.downloadDirectory" ID="DownloadManager.downloadDirectory"></a>
<h4>DownloadManager.downloadDirectory</h4>
<b>downloadDirectory</b>(<i></i>)
<p>
        Public method to get the current download directory.
</p><dl>
<dt>Returns:</dt>
<dd>
current download directory (string)
</dd>
</dl><a NAME="DownloadManager.downloads" ID="DownloadManager.downloads"></a>
<h4>DownloadManager.downloads</h4>
<b>downloads</b>(<i></i>)
<p>
        Public method to get a reference to the downloads.
</p><dl>
<dt>Returns:</dt>
<dd>
reference to the downloads (list of DownloadItem)
</dd>
</dl><a NAME="DownloadManager.handleUnsupportedContent" ID="DownloadManager.handleUnsupportedContent"></a>
<h4>DownloadManager.handleUnsupportedContent</h4>
<b>handleUnsupportedContent</b>(<i>reply, requestFileName=False, webPage=None, download=False, mainWindow=None</i>)
<p>
        Public method to handle unsupported content by downloading the
        referenced resource.
</p><dl>
<dt><i>reply</i></dt>
<dd>
reference to the reply object (QNetworkReply)
</dd><dt><i>requestFileName=</i></dt>
<dd>
indicating to ask for a filename
            (boolean)
</dd><dt><i>webPage=</i></dt>
<dd>
reference to the web page (HelpWebPage)
</dd><dt><i>download=</i></dt>
<dd>
flag indicating a download request (boolean)
</dd><dt><i>mainWindow=</i></dt>
<dd>
reference to the main window (HelpWindow)
</dd>
</dl><a NAME="DownloadManager.on_cleanupButton_clicked" ID="DownloadManager.on_cleanupButton_clicked"></a>
<h4>DownloadManager.on_cleanupButton_clicked</h4>
<b>on_cleanupButton_clicked</b>(<i></i>)
<p>
        Private slot cleanup the downloads.
</p><a NAME="DownloadManager.removePolicy" ID="DownloadManager.removePolicy"></a>
<h4>DownloadManager.removePolicy</h4>
<b>removePolicy</b>(<i></i>)
<p>
        Public method to get the remove policy.
</p><dl>
<dt>Returns:</dt>
<dd>
remove policy (integer)
</dd>
</dl><a NAME="DownloadManager.save" ID="DownloadManager.save"></a>
<h4>DownloadManager.save</h4>
<b>save</b>(<i></i>)
<p>
        Public method to save the download settings.
</p><a NAME="DownloadManager.setDownloadDirectory" ID="DownloadManager.setDownloadDirectory"></a>
<h4>DownloadManager.setDownloadDirectory</h4>
<b>setDownloadDirectory</b>(<i>directory</i>)
<p>
        Public method to set the current download directory.
</p><dl>
<dt><i>directory</i></dt>
<dd>
current download directory (string)
</dd>
</dl><a NAME="DownloadManager.setRemovePolicy" ID="DownloadManager.setRemovePolicy"></a>
<h4>DownloadManager.setRemovePolicy</h4>
<b>setRemovePolicy</b>(<i>policy</i>)
<p>
        Public method to set the remove policy.
</p><dl>
<dt><i>policy</i></dt>
<dd>
policy to be set
            (DownloadManager.RemoveExit, DownloadManager.RemoveNever,
             DownloadManager.RemoveSuccessFullDownload)
</dd>
</dl><a NAME="DownloadManager.shutdown" ID="DownloadManager.shutdown"></a>
<h4>DownloadManager.shutdown</h4>
<b>shutdown</b>(<i></i>)
<p>
        Public method to stop the download manager.
</p>
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