Documentation/Source/eric6.Helpviewer.Download.DownloadItem.html

changeset 3673
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+<!DOCTYPE html>
+<html><head>
+<title>eric6.Helpviewer.Download.DownloadItem</title>
+<meta charset="UTF-8">
+<style>
+body {
+    background: #EDECE6;
+    margin: 0em 1em 10em 1em;
+    color: black;
+}
+
+h1 { color: white; background: #85774A; }
+h2 { color: white; background: #85774A; }
+h3 { color: white; background: #9D936E; }
+h4 { color: white; background: #9D936E; }
+    
+a { color: #BA6D36; }
+
+</style>
+</head>
+<body><a NAME="top" ID="top"></a>
+<h1>eric6.Helpviewer.Download.DownloadItem</h1>
+<p>
+Module implementing a widget controlling a download.
+</p>
+<h3>Global Attributes</h3>
+<table>
+<tr><td>None</td></tr>
+</table>
+<h3>Classes</h3>
+<table>
+<tr>
+<td><a href="#DownloadItem">DownloadItem</a></td>
+<td>Class implementing a widget controlling a download.</td>
+</tr>
+</table>
+<h3>Functions</h3>
+<table>
+<tr><td>None</td></tr>
+</table>
+<hr /><hr />
+<a NAME="DownloadItem" ID="DownloadItem"></a>
+<h2>DownloadItem</h2>
+<p>
+    Class implementing a widget controlling a download.
+</p><h3>Signals</h3>
+<dl>
+<dt>downloadFinished()</dt>
+<dd>
+emitted when a download finished
+</dd><dt>progress(int, int)</dt>
+<dd>
+emitted to signal the download progress
+</dd><dt>statusChanged()</dt>
+<dd>
+emitted upon a status change of a download
+</dd>
+</dl>
+<h3>Derived from</h3>
+QWidget, Ui_DownloadItem
+<h3>Class Attributes</h3>
+<table>
+<tr><td>DownloadCancelled</td></tr><tr><td>DownloadSuccessful</td></tr><tr><td>Downloading</td></tr>
+</table>
+<h3>Class Methods</h3>
+<table>
+<tr><td>None</td></tr>
+</table>
+<h3>Methods</h3>
+<table>
+<tr>
+<td><a href="#DownloadItem.__init__">DownloadItem</a></td>
+<td>Constructor</td>
+</tr><tr>
+<td><a href="#DownloadItem.__downloadProgress">__downloadProgress</a></td>
+<td>Private method to show the download progress.</td>
+</tr><tr>
+<td><a href="#DownloadItem.__finished">__finished</a></td>
+<td>Private slot to handle the download finished.</td>
+</tr><tr>
+<td><a href="#DownloadItem.__getFileName">__getFileName</a></td>
+<td>Private method to get the file name to save to from the user.</td>
+</tr><tr>
+<td><a href="#DownloadItem.__initialize">__initialize</a></td>
+<td>Private method to (re)initialize the widget.</td>
+</tr><tr>
+<td><a href="#DownloadItem.__metaDataChanged">__metaDataChanged</a></td>
+<td>Private slot to handle a change of the meta data.</td>
+</tr><tr>
+<td><a href="#DownloadItem.__networkError">__networkError</a></td>
+<td>Private slot to handle a network error.</td>
+</tr><tr>
+<td><a href="#DownloadItem.__open">__open</a></td>
+<td>Private slot to open the downloaded file.</td>
+</tr><tr>
+<td><a href="#DownloadItem.__readyRead">__readyRead</a></td>
+<td>Private slot to read the available data.</td>
+</tr><tr>
+<td><a href="#DownloadItem.__saveFileName">__saveFileName</a></td>
+<td>Private method to calculate a name for the file to download.</td>
+</tr><tr>
+<td><a href="#DownloadItem.__updateInfoLabel">__updateInfoLabel</a></td>
+<td>Private method to update the info label.</td>
+</tr><tr>
+<td><a href="#DownloadItem.absoluteFilePath">absoluteFilePath</a></td>
+<td>Public method to get the absolute path of the output file.</td>
+</tr><tr>
+<td><a href="#DownloadItem.bytesReceived">bytesReceived</a></td>
+<td>Public method to get the number of bytes received.</td>
+</tr><tr>
+<td><a href="#DownloadItem.bytesTotal">bytesTotal</a></td>
+<td>Public method to get the total number of bytes of the download.</td>
+</tr><tr>
+<td><a href="#DownloadItem.cancelDownload">cancelDownload</a></td>
+<td>Public slot to stop the download.</td>
+</tr><tr>
+<td><a href="#DownloadItem.canceledFileSelect">canceledFileSelect</a></td>
+<td>Public method to check, if the user canceled the file selection.</td>
+</tr><tr>
+<td><a href="#DownloadItem.currentSpeed">currentSpeed</a></td>
+<td>Public method to get an estimation for the download speed.</td>
+</tr><tr>
+<td><a href="#DownloadItem.downloadCanceled">downloadCanceled</a></td>
+<td>Public method to check, if the download was cancelled.</td>
+</tr><tr>
+<td><a href="#DownloadItem.downloadedSuccessfully">downloadedSuccessfully</a></td>
+<td>Public method to check for a successful download.</td>
+</tr><tr>
+<td><a href="#DownloadItem.downloading">downloading</a></td>
+<td>Public method to determine, if a download is in progress.</td>
+</tr><tr>
+<td><a href="#DownloadItem.fileName">fileName</a></td>
+<td>Public method to get the name of the output file.</td>
+</tr><tr>
+<td><a href="#DownloadItem.getData">getData</a></td>
+<td>Public method to get the relevant download data.</td>
+</tr><tr>
+<td><a href="#DownloadItem.getInfoData">getInfoData</a></td>
+<td>Public method to get the text of the info label.</td>
+</tr><tr>
+<td><a href="#DownloadItem.getPageUrl">getPageUrl</a></td>
+<td>Public method to get the URL of the download page.</td>
+</tr><tr>
+<td><a href="#DownloadItem.on_openButton_clicked">on_openButton_clicked</a></td>
+<td>Private slot to open the downloaded file.</td>
+</tr><tr>
+<td><a href="#DownloadItem.on_pauseButton_clicked">on_pauseButton_clicked</a></td>
+<td>Private slot to pause the download.</td>
+</tr><tr>
+<td><a href="#DownloadItem.on_stopButton_clicked">on_stopButton_clicked</a></td>
+<td>Private slot to stop the download.</td>
+</tr><tr>
+<td><a href="#DownloadItem.on_tryAgainButton_clicked">on_tryAgainButton_clicked</a></td>
+<td>Private slot to retry the download.</td>
+</tr><tr>
+<td><a href="#DownloadItem.openFile">openFile</a></td>
+<td>Public slot to open the downloaded file.</td>
+</tr><tr>
+<td><a href="#DownloadItem.openFolder">openFolder</a></td>
+<td>Public slot to open the folder containing the downloaded file.</td>
+</tr><tr>
+<td><a href="#DownloadItem.remainingTime">remainingTime</a></td>
+<td>Public method to get an estimation for the remaining time.</td>
+</tr><tr>
+<td><a href="#DownloadItem.retry">retry</a></td>
+<td>Public slot to retry the download.</td>
+</tr><tr>
+<td><a href="#DownloadItem.setData">setData</a></td>
+<td>Public method to set the relevant download data.</td>
+</tr><tr>
+<td><a href="#DownloadItem.setIcon">setIcon</a></td>
+<td>Public method to set the download icon.</td>
+</tr>
+</table>
+<h3>Static Methods</h3>
+<table>
+<tr><td>None</td></tr>
+</table>
+<a NAME="DownloadItem.__init__" ID="DownloadItem.__init__"></a>
+<h4>DownloadItem (Constructor)</h4>
+<b>DownloadItem</b>(<i>reply=None, requestFilename=False, webPage=None, download=False, parent=None, mainWindow=None</i>)
+<p>
+        Constructor
+</p><dl>
+<dt><i>reply=</i></dt>
+<dd>
+reference to the network reply object (QNetworkReply)
+</dd><dt><i>requestFilename=</i></dt>
+<dd>
+flag indicating to ask the user for a
+            filename (boolean)
+</dd><dt><i>webPage=</i></dt>
+<dd>
+reference to the web page object the download
+            originated from (QWebPage)
+</dd><dt><i>download=</i></dt>
+<dd>
+flag indicating a download operation (boolean)
+</dd><dt><i>parent=</i></dt>
+<dd>
+reference to the parent widget (QWidget)
+</dd><dt><i>mainWindow=</i></dt>
+<dd>
+reference to the main window (HelpWindow)
+</dd>
+</dl><a NAME="DownloadItem.__downloadProgress" ID="DownloadItem.__downloadProgress"></a>
+<h4>DownloadItem.__downloadProgress</h4>
+<b>__downloadProgress</b>(<i>bytesReceived, bytesTotal</i>)
+<p>
+        Private method to show the download progress.
+</p><dl>
+<dt><i>bytesReceived</i></dt>
+<dd>
+number of bytes received (integer)
+</dd><dt><i>bytesTotal</i></dt>
+<dd>
+number of total bytes (integer)
+</dd>
+</dl><a NAME="DownloadItem.__finished" ID="DownloadItem.__finished"></a>
+<h4>DownloadItem.__finished</h4>
+<b>__finished</b>(<i></i>)
+<p>
+        Private slot to handle the download finished.
+</p><a NAME="DownloadItem.__getFileName" ID="DownloadItem.__getFileName"></a>
+<h4>DownloadItem.__getFileName</h4>
+<b>__getFileName</b>(<i></i>)
+<p>
+        Private method to get the file name to save to from the user.
+</p><a NAME="DownloadItem.__initialize" ID="DownloadItem.__initialize"></a>
+<h4>DownloadItem.__initialize</h4>
+<b>__initialize</b>(<i>tryAgain=False</i>)
+<p>
+        Private method to (re)initialize the widget.
+</p><dl>
+<dt><i>tryAgain</i></dt>
+<dd>
+flag indicating a retry (boolean)
+</dd>
+</dl><a NAME="DownloadItem.__metaDataChanged" ID="DownloadItem.__metaDataChanged"></a>
+<h4>DownloadItem.__metaDataChanged</h4>
+<b>__metaDataChanged</b>(<i></i>)
+<p>
+        Private slot to handle a change of the meta data.
+</p><a NAME="DownloadItem.__networkError" ID="DownloadItem.__networkError"></a>
+<h4>DownloadItem.__networkError</h4>
+<b>__networkError</b>(<i></i>)
+<p>
+        Private slot to handle a network error.
+</p><a NAME="DownloadItem.__open" ID="DownloadItem.__open"></a>
+<h4>DownloadItem.__open</h4>
+<b>__open</b>(<i></i>)
+<p>
+        Private slot to open the downloaded file.
+</p><a NAME="DownloadItem.__readyRead" ID="DownloadItem.__readyRead"></a>
+<h4>DownloadItem.__readyRead</h4>
+<b>__readyRead</b>(<i></i>)
+<p>
+        Private slot to read the available data.
+</p><a NAME="DownloadItem.__saveFileName" ID="DownloadItem.__saveFileName"></a>
+<h4>DownloadItem.__saveFileName</h4>
+<b>__saveFileName</b>(<i>directory</i>)
+<p>
+        Private method to calculate a name for the file to download.
+</p><dl>
+<dt><i>directory</i></dt>
+<dd>
+name of the directory to store the file into (string)
+</dd>
+</dl><dl>
+<dt>Returns:</dt>
+<dd>
+proposed filename and original filename (string, string)
+</dd>
+</dl><a NAME="DownloadItem.__updateInfoLabel" ID="DownloadItem.__updateInfoLabel"></a>
+<h4>DownloadItem.__updateInfoLabel</h4>
+<b>__updateInfoLabel</b>(<i></i>)
+<p>
+        Private method to update the info label.
+</p><a NAME="DownloadItem.absoluteFilePath" ID="DownloadItem.absoluteFilePath"></a>
+<h4>DownloadItem.absoluteFilePath</h4>
+<b>absoluteFilePath</b>(<i></i>)
+<p>
+        Public method to get the absolute path of the output file.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+absolute path of the output file (string)
+</dd>
+</dl><a NAME="DownloadItem.bytesReceived" ID="DownloadItem.bytesReceived"></a>
+<h4>DownloadItem.bytesReceived</h4>
+<b>bytesReceived</b>(<i></i>)
+<p>
+        Public method to get the number of bytes received.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+number of bytes received (integer)
+</dd>
+</dl><a NAME="DownloadItem.bytesTotal" ID="DownloadItem.bytesTotal"></a>
+<h4>DownloadItem.bytesTotal</h4>
+<b>bytesTotal</b>(<i></i>)
+<p>
+        Public method to get the total number of bytes of the download.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+total number of bytes (integer)
+</dd>
+</dl><a NAME="DownloadItem.cancelDownload" ID="DownloadItem.cancelDownload"></a>
+<h4>DownloadItem.cancelDownload</h4>
+<b>cancelDownload</b>(<i></i>)
+<p>
+        Public slot to stop the download.
+</p><a NAME="DownloadItem.canceledFileSelect" ID="DownloadItem.canceledFileSelect"></a>
+<h4>DownloadItem.canceledFileSelect</h4>
+<b>canceledFileSelect</b>(<i></i>)
+<p>
+        Public method to check, if the user canceled the file selection.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+flag indicating cancellation (boolean)
+</dd>
+</dl><a NAME="DownloadItem.currentSpeed" ID="DownloadItem.currentSpeed"></a>
+<h4>DownloadItem.currentSpeed</h4>
+<b>currentSpeed</b>(<i></i>)
+<p>
+        Public method to get an estimation for the download speed.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+estimation for the download speed (float)
+</dd>
+</dl><a NAME="DownloadItem.downloadCanceled" ID="DownloadItem.downloadCanceled"></a>
+<h4>DownloadItem.downloadCanceled</h4>
+<b>downloadCanceled</b>(<i></i>)
+<p>
+        Public method to check, if the download was cancelled.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+flag indicating a canceled download (boolean)
+</dd>
+</dl><a NAME="DownloadItem.downloadedSuccessfully" ID="DownloadItem.downloadedSuccessfully"></a>
+<h4>DownloadItem.downloadedSuccessfully</h4>
+<b>downloadedSuccessfully</b>(<i></i>)
+<p>
+        Public method to check for a successful download.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+flag indicating a successful download (boolean)
+</dd>
+</dl><a NAME="DownloadItem.downloading" ID="DownloadItem.downloading"></a>
+<h4>DownloadItem.downloading</h4>
+<b>downloading</b>(<i></i>)
+<p>
+        Public method to determine, if a download is in progress.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+flag indicating a download is in progress (boolean)
+</dd>
+</dl><a NAME="DownloadItem.fileName" ID="DownloadItem.fileName"></a>
+<h4>DownloadItem.fileName</h4>
+<b>fileName</b>(<i></i>)
+<p>
+        Public method to get the name of the output file.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+name of the output file (string)
+</dd>
+</dl><a NAME="DownloadItem.getData" ID="DownloadItem.getData"></a>
+<h4>DownloadItem.getData</h4>
+<b>getData</b>(<i></i>)
+<p>
+        Public method to get the relevant download data.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+tuple of URL, save location, flag and the
+            URL of the related web page (QUrl, string, boolean,QUrl)
+</dd>
+</dl><a NAME="DownloadItem.getInfoData" ID="DownloadItem.getInfoData"></a>
+<h4>DownloadItem.getInfoData</h4>
+<b>getInfoData</b>(<i></i>)
+<p>
+        Public method to get the text of the info label.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+text of the info label (string)
+</dd>
+</dl><a NAME="DownloadItem.getPageUrl" ID="DownloadItem.getPageUrl"></a>
+<h4>DownloadItem.getPageUrl</h4>
+<b>getPageUrl</b>(<i></i>)
+<p>
+        Public method to get the URL of the download page.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+URL of the download page (QUrl)
+</dd>
+</dl><a NAME="DownloadItem.on_openButton_clicked" ID="DownloadItem.on_openButton_clicked"></a>
+<h4>DownloadItem.on_openButton_clicked</h4>
+<b>on_openButton_clicked</b>(<i></i>)
+<p>
+        Private slot to open the downloaded file.
+</p><a NAME="DownloadItem.on_pauseButton_clicked" ID="DownloadItem.on_pauseButton_clicked"></a>
+<h4>DownloadItem.on_pauseButton_clicked</h4>
+<b>on_pauseButton_clicked</b>(<i>checked</i>)
+<p>
+        Private slot to pause the download.
+</p><dl>
+<dt><i>checked</i></dt>
+<dd>
+flag indicating the state of the button (boolean)
+</dd>
+</dl><a NAME="DownloadItem.on_stopButton_clicked" ID="DownloadItem.on_stopButton_clicked"></a>
+<h4>DownloadItem.on_stopButton_clicked</h4>
+<b>on_stopButton_clicked</b>(<i></i>)
+<p>
+        Private slot to stop the download.
+</p><a NAME="DownloadItem.on_tryAgainButton_clicked" ID="DownloadItem.on_tryAgainButton_clicked"></a>
+<h4>DownloadItem.on_tryAgainButton_clicked</h4>
+<b>on_tryAgainButton_clicked</b>(<i></i>)
+<p>
+        Private slot to retry the download.
+</p><a NAME="DownloadItem.openFile" ID="DownloadItem.openFile"></a>
+<h4>DownloadItem.openFile</h4>
+<b>openFile</b>(<i></i>)
+<p>
+        Public slot to open the downloaded file.
+</p><a NAME="DownloadItem.openFolder" ID="DownloadItem.openFolder"></a>
+<h4>DownloadItem.openFolder</h4>
+<b>openFolder</b>(<i></i>)
+<p>
+        Public slot to open the folder containing the downloaded file.
+</p><a NAME="DownloadItem.remainingTime" ID="DownloadItem.remainingTime"></a>
+<h4>DownloadItem.remainingTime</h4>
+<b>remainingTime</b>(<i></i>)
+<p>
+        Public method to get an estimation for the remaining time.
+</p><dl>
+<dt>Returns:</dt>
+<dd>
+estimation for the remaining time (float)
+</dd>
+</dl><a NAME="DownloadItem.retry" ID="DownloadItem.retry"></a>
+<h4>DownloadItem.retry</h4>
+<b>retry</b>(<i></i>)
+<p>
+        Public slot to retry the download.
+</p><a NAME="DownloadItem.setData" ID="DownloadItem.setData"></a>
+<h4>DownloadItem.setData</h4>
+<b>setData</b>(<i>data</i>)
+<p>
+        Public method to set the relevant download data.
+</p><dl>
+<dt><i>data</i></dt>
+<dd>
+tuple of URL, save location, flag and the
+            URL of the related web page (QUrl, string, boolean, QUrl)
+</dd>
+</dl><a NAME="DownloadItem.setIcon" ID="DownloadItem.setIcon"></a>
+<h4>DownloadItem.setIcon</h4>
+<b>setIcon</b>(<i>icon</i>)
+<p>
+        Public method to set the download icon.
+</p><dl>
+<dt><i>icon</i></dt>
+<dd>
+reference to the icon to be set (QIcon)
+</dd>
+</dl>
+<div align="right"><a href="#top">Up</a></div>
+<hr />
+</body></html>
\ No newline at end of file

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