Documentation/Source/eric6.UI.CodeDocumentationViewer.html

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<h1>eric6.UI.CodeDocumentationViewer</h1>
<p>
Module implementing a widget to show some source code information provided by
plug-ins.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#CodeDocumentationViewer">CodeDocumentationViewer</a></td>
<td>Class implementing a widget to show some source code information provided by plug-ins.</td>
</tr><tr>
<td><a href="#PlainTextDocumentationViewer">PlainTextDocumentationViewer</a></td>
<td>Class implementing the plain text documentation viewer.</td>
</tr><tr>
<td><a href="#WebViewDocumentationViewer">WebViewDocumentationViewer</a></td>
<td>Class implementing the rich text documentation viewer.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr><td>None</td></tr>
</table>
<hr /><hr />
<a NAME="CodeDocumentationViewer" ID="CodeDocumentationViewer"></a>
<h2>CodeDocumentationViewer</h2>
<p>
    Class implementing a widget to show some source code information provided
    by plug-ins.
</p><h3>Signals</h3>
<dl>
<dt>providerAdded()</dt>
<dd>
emitted to indicate the availability of a new
        provider
</dd><dt>providerRemoved()</dt>
<dd>
emitted to indicate the removal of a provider
</dd>
</dl>
<h3>Derived from</h3>
QWidget
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#CodeDocumentationViewer.__init__">CodeDocumentationViewer</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.__setHtml">__setHtml</a></td>
<td>Private slot to set the prepared HTML text.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.__setHtmlWarning">__setHtmlWarning</a></td>
<td>Private slot to set a display message.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.__setupUi">__setupUi</a></td>
<td>Private method to generate the UI layout.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.__showDisabledMessage">__showDisabledMessage</a></td>
<td>Private method to show a message giving the reason for being disabled.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.__showTextViewer">__showTextViewer</a></td>
<td>Private slot to show the selected viewer.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.documentationReady">documentationReady</a></td>
<td>Public method to provide the documentation info to the viewer.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.finalizeSetup">finalizeSetup</a></td>
<td>Public method to finalize the setup of the documentation viewer.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.getProviders">getProviders</a></td>
<td>Public method to get a list of providers and their visible strings.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.isSupportedLanguage">isSupportedLanguage</a></td>
<td>Public method to check, if the given language is supported by the selected provider.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.on_providerComboBox_currentIndexChanged">on_providerComboBox_currentIndexChanged</a></td>
<td>Private slot to handle the selection of a provider.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.preferencesChanged">preferencesChanged</a></td>
<td>Public slot to handle a change of preferences.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.registerProvider">registerProvider</a></td>
<td>Public method register a source docu provider.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.showInfo">showInfo</a></td>
<td>Public method to request code documentation data from a provider.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.shutdown">shutdown</a></td>
<td>Public method to perform shutdown actions.</td>
</tr><tr>
<td><a href="#CodeDocumentationViewer.unregisterProvider">unregisterProvider</a></td>
<td>Public method register a source docu provider.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="CodeDocumentationViewer.__init__" ID="CodeDocumentationViewer.__init__"></a>
<h4>CodeDocumentationViewer (Constructor)</h4>
<b>CodeDocumentationViewer</b>(<i>parent=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>parent</i> (QWidget)</dt>
<dd>
reference to the parent widget
</dd>
</dl><a NAME="CodeDocumentationViewer.__setHtml" ID="CodeDocumentationViewer.__setHtml"></a>
<h4>CodeDocumentationViewer.__setHtml</h4>
<b>__setHtml</b>(<i>html</i>)
<p>
        Private slot to set the prepared HTML text.
</p><dl>
<dt><i>html</i> (str)</dt>
<dd>
prepared HTML text
</dd>
</dl><a NAME="CodeDocumentationViewer.__setHtmlWarning" ID="CodeDocumentationViewer.__setHtmlWarning"></a>
<h4>CodeDocumentationViewer.__setHtmlWarning</h4>
<b>__setHtmlWarning</b>(<i>warningText</i>)
<p>
        Private slot to set a display message.
</p><dl>
<dt><i>warningText</i> (str)</dt>
<dd>
text to be shown as a warning
</dd>
</dl><a NAME="CodeDocumentationViewer.__setupUi" ID="CodeDocumentationViewer.__setupUi"></a>
<h4>CodeDocumentationViewer.__setupUi</h4>
<b>__setupUi</b>(<i></i>)
<p>
        Private method to generate the UI layout.
</p><a NAME="CodeDocumentationViewer.__showDisabledMessage" ID="CodeDocumentationViewer.__showDisabledMessage"></a>
<h4>CodeDocumentationViewer.__showDisabledMessage</h4>
<b>__showDisabledMessage</b>(<i></i>)
<p>
        Private method to show a message giving the reason for being disabled.
</p><a NAME="CodeDocumentationViewer.__showTextViewer" ID="CodeDocumentationViewer.__showTextViewer"></a>
<h4>CodeDocumentationViewer.__showTextViewer</h4>
<b>__showTextViewer</b>(<i>richText</i>)
<p>
        Private slot to show the selected viewer.
</p><dl>
<dt><i>richText</i> (bool)</dt>
<dd>
flag indicating the rich text viewer
</dd>
</dl><a NAME="CodeDocumentationViewer.documentationReady" ID="CodeDocumentationViewer.documentationReady"></a>
<h4>CodeDocumentationViewer.documentationReady</h4>
<b>documentationReady</b>(<i>documentationInfo, isWarning=False, isDocWarning=False</i>)
<p>
        Public method to provide the documentation info to the viewer.
</p><p>
        If documentationInfo is a dictionary, it should contains these keys
        and data:
</p><p>
        name: the name of the inspected object
        argspec: its argspec
        note: A phrase describing the type of object (function or method) and
            the module it belongs to.
        docstring: its documentation string
</p><dl>
<dt><i>documentationInfo</i> (dict or str)</dt>
<dd>
dictionary containing the source docu data
</dd><dt><i>isWarning</i> (bool)</dt>
<dd>
flag indicating a warning page
</dd><dt><i>isDocWarning</i> (bool)</dt>
<dd>
flag indicating a documentation warning page
</dd>
</dl><a NAME="CodeDocumentationViewer.finalizeSetup" ID="CodeDocumentationViewer.finalizeSetup"></a>
<h4>CodeDocumentationViewer.finalizeSetup</h4>
<b>finalizeSetup</b>(<i></i>)
<p>
        Public method to finalize the setup of the documentation viewer.
</p><a NAME="CodeDocumentationViewer.getProviders" ID="CodeDocumentationViewer.getProviders"></a>
<h4>CodeDocumentationViewer.getProviders</h4>
<b>getProviders</b>(<i></i>)
<p>
        Public method to get a list of providers and their visible strings.
</p><dl>
<dt>Returns:</dt>
<dd>
list containing the providers and their visible strings
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
list of tuple of (str,str)
</dd>
</dl><a NAME="CodeDocumentationViewer.isSupportedLanguage" ID="CodeDocumentationViewer.isSupportedLanguage"></a>
<h4>CodeDocumentationViewer.isSupportedLanguage</h4>
<b>isSupportedLanguage</b>(<i>language</i>)
<p>
        Public method to check, if the given language is supported by the
        selected provider.
</p><dl>
<dt><i>language</i> (str)</dt>
<dd>
editor programming language to check
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating the support status
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="CodeDocumentationViewer.on_providerComboBox_currentIndexChanged" ID="CodeDocumentationViewer.on_providerComboBox_currentIndexChanged"></a>
<h4>CodeDocumentationViewer.on_providerComboBox_currentIndexChanged</h4>
<b>on_providerComboBox_currentIndexChanged</b>(<i>index</i>)
<p>
        Private slot to handle the selection of a provider.
</p><dl>
<dt><i>index</i> (int)</dt>
<dd>
index of the selected provider
</dd>
</dl><a NAME="CodeDocumentationViewer.preferencesChanged" ID="CodeDocumentationViewer.preferencesChanged"></a>
<h4>CodeDocumentationViewer.preferencesChanged</h4>
<b>preferencesChanged</b>(<i></i>)
<p>
        Public slot to handle a change of preferences.
</p><a NAME="CodeDocumentationViewer.registerProvider" ID="CodeDocumentationViewer.registerProvider"></a>
<h4>CodeDocumentationViewer.registerProvider</h4>
<b>registerProvider</b>(<i>providerName, providerDisplay, provider, supported</i>)
<p>
        Public method register a source docu provider.
</p><dl>
<dt><i>providerName</i> (str)</dt>
<dd>
name of the provider (must be unique)
</dd><dt><i>providerDisplay</i> (str)</dt>
<dd>
visible name of the provider
</dd><dt><i>provider</i> (function(editor))</dt>
<dd>
function to be called to determine source docu
</dd><dt><i>supported</i> (function(language))</dt>
<dd>
function to be called to determine, if a language is
            supported
</dd>
</dl><dl>
<dt>Raises <b>KeyError</b>:</dt>
<dd>
raised if a provider with the given name was
            already registered
</dd>
</dl><a NAME="CodeDocumentationViewer.showInfo" ID="CodeDocumentationViewer.showInfo"></a>
<h4>CodeDocumentationViewer.showInfo</h4>
<b>showInfo</b>(<i>editor</i>)
<p>
        Public method to request code documentation data from a provider.
</p><dl>
<dt><i>editor</i> (Editor)</dt>
<dd>
reference to the editor to request code docu for
</dd>
</dl><a NAME="CodeDocumentationViewer.shutdown" ID="CodeDocumentationViewer.shutdown"></a>
<h4>CodeDocumentationViewer.shutdown</h4>
<b>shutdown</b>(<i></i>)
<p>
        Public method to perform shutdown actions.
</p><a NAME="CodeDocumentationViewer.unregisterProvider" ID="CodeDocumentationViewer.unregisterProvider"></a>
<h4>CodeDocumentationViewer.unregisterProvider</h4>
<b>unregisterProvider</b>(<i>providerName</i>)
<p>
        Public method register a source docu provider.
</p><dl>
<dt><i>providerName</i> (str)</dt>
<dd>
name of the provider (must be unique)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="PlainTextDocumentationViewer" ID="PlainTextDocumentationViewer"></a>
<h2>PlainTextDocumentationViewer</h2>
<p>
    Class implementing the plain text documentation viewer.
</p>
<h3>Derived from</h3>
QWidget
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#PlainTextDocumentationViewer.__init__">PlainTextDocumentationViewer</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#PlainTextDocumentationViewer.clear">clear</a></td>
<td>Public method to clear the contents.</td>
</tr><tr>
<td><a href="#PlainTextDocumentationViewer.preferencesChanged">preferencesChanged</a></td>
<td>Public slot to handle a change of preferences.</td>
</tr><tr>
<td><a href="#PlainTextDocumentationViewer.setText">setText</a></td>
<td>Public method to set the text to be shown.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="PlainTextDocumentationViewer.__init__" ID="PlainTextDocumentationViewer.__init__"></a>
<h4>PlainTextDocumentationViewer (Constructor)</h4>
<b>PlainTextDocumentationViewer</b>(<i>parent=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>parent</i> (QWidget)</dt>
<dd>
reference to the parent widget
</dd>
</dl><a NAME="PlainTextDocumentationViewer.clear" ID="PlainTextDocumentationViewer.clear"></a>
<h4>PlainTextDocumentationViewer.clear</h4>
<b>clear</b>(<i></i>)
<p>
        Public method to clear the contents.
</p><a NAME="PlainTextDocumentationViewer.preferencesChanged" ID="PlainTextDocumentationViewer.preferencesChanged"></a>
<h4>PlainTextDocumentationViewer.preferencesChanged</h4>
<b>preferencesChanged</b>(<i></i>)
<p>
        Public slot to handle a change of preferences.
</p><a NAME="PlainTextDocumentationViewer.setText" ID="PlainTextDocumentationViewer.setText"></a>
<h4>PlainTextDocumentationViewer.setText</h4>
<b>setText</b>(<i>text</i>)
<p>
        Public method to set the text to be shown.
</p><dl>
<dt><i>text</i> (str)</dt>
<dd>
text to be shown
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="WebViewDocumentationViewer" ID="WebViewDocumentationViewer"></a>
<h2>WebViewDocumentationViewer</h2>
<p>
    Class implementing the rich text documentation viewer.
</p>
<h3>Derived from</h3>
QWidget
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#WebViewDocumentationViewer.__init__">WebViewDocumentationViewer</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#WebViewDocumentationViewer.__showLink">__showLink</a></td>
<td>Private slot to show the hovered link in a tooltip.</td>
</tr><tr>
<td><a href="#WebViewDocumentationViewer.clear">clear</a></td>
<td>Public method to clear the shown contents.</td>
</tr><tr>
<td><a href="#WebViewDocumentationViewer.setHtml">setHtml</a></td>
<td>Public method to set the HTML text of the widget.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="WebViewDocumentationViewer.__init__" ID="WebViewDocumentationViewer.__init__"></a>
<h4>WebViewDocumentationViewer (Constructor)</h4>
<b>WebViewDocumentationViewer</b>(<i>parent=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>parent</i> (QWidget)</dt>
<dd>
reference to the parent widget
</dd>
</dl><a NAME="WebViewDocumentationViewer.__showLink" ID="WebViewDocumentationViewer.__showLink"></a>
<h4>WebViewDocumentationViewer.__showLink</h4>
<b>__showLink</b>(<i>urlStr</i>)
<p>
        Private slot to show the hovered link in a tooltip.
</p><dl>
<dt><i>urlStr</i> (str)</dt>
<dd>
hovered URL
</dd>
</dl><a NAME="WebViewDocumentationViewer.clear" ID="WebViewDocumentationViewer.clear"></a>
<h4>WebViewDocumentationViewer.clear</h4>
<b>clear</b>(<i></i>)
<p>
        Public method to clear the shown contents.
</p><a NAME="WebViewDocumentationViewer.setHtml" ID="WebViewDocumentationViewer.setHtml"></a>
<h4>WebViewDocumentationViewer.setHtml</h4>
<b>setHtml</b>(<i>html</i>)
<p>
        Public method to set the HTML text of the widget.
</p><dl>
<dt><i>html</i> (str)</dt>
<dd>
HTML text to be shown
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
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