Documentation/Source/eric5.Helpviewer.OpenSearch.OpenSearchManager.html

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<h1>eric5.Helpviewer.OpenSearch.OpenSearchManager</h1>
<p>
Module implementing a manager for open search engines.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#OpenSearchManager">OpenSearchManager</a></td>
<td>Class implementing a manager for open search engines.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr><td>None</td></tr>
</table>
<hr /><hr />
<a NAME="OpenSearchManager" ID="OpenSearchManager"></a>
<h2>OpenSearchManager</h2>
<p>
    Class implementing a manager for open search engines.
</p><h4>Signals</h4>
<dl>
<dt>changed()</dt>
<dd>
emitted to indicate a change
</dd><dt>currentEngineChanged()</dt>
<dd>
emitted to indicate a change of
            the current search engine
</dd>
</dl>
<h3>Derived from</h3>
QObject
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#OpenSearchManager.__init__">OpenSearchManager</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#OpenSearchManager.__addEngineByEngine">__addEngineByEngine</a></td>
<td>Private method to add a new search engine given a reference to an engine.</td>
</tr><tr>
<td><a href="#OpenSearchManager.__addEngineByFile">__addEngineByFile</a></td>
<td>Private method to add a new search engine given a filename.</td>
</tr><tr>
<td><a href="#OpenSearchManager.__addEngineByUrl">__addEngineByUrl</a></td>
<td>Private method to add a new search engine given it's URL.</td>
</tr><tr>
<td><a href="#OpenSearchManager.__confirmAddition">__confirmAddition</a></td>
<td>Private method to confirm the addition of a new search engine.</td>
</tr><tr>
<td><a href="#OpenSearchManager.__engineFromUrlAvailable">__engineFromUrlAvailable</a></td>
<td>Private slot to add a search engine from the net.</td>
</tr><tr>
<td><a href="#OpenSearchManager.addEngine">addEngine</a></td>
<td>Public method to add a new search engine.</td>
</tr><tr>
<td><a href="#OpenSearchManager.allEnginesNames">allEnginesNames</a></td>
<td>Public method to get a list of all engine names.</td>
</tr><tr>
<td><a href="#OpenSearchManager.close">close</a></td>
<td>Public method to close the open search engines manager.</td>
</tr><tr>
<td><a href="#OpenSearchManager.convertKeywordSearchToUrl">convertKeywordSearchToUrl</a></td>
<td>Public method to get the search URL for a keyword search.</td>
</tr><tr>
<td><a href="#OpenSearchManager.currentEngine">currentEngine</a></td>
<td>Public method to get a reference to the current engine.</td>
</tr><tr>
<td><a href="#OpenSearchManager.currentEngineName">currentEngineName</a></td>
<td>Public method to get the name of the current search engine.</td>
</tr><tr>
<td><a href="#OpenSearchManager.engine">engine</a></td>
<td>Public method to get a reference to the named engine.</td>
</tr><tr>
<td><a href="#OpenSearchManager.engineExists">engineExists</a></td>
<td>Public method to check, if an engine exists.</td>
</tr><tr>
<td><a href="#OpenSearchManager.engineForKeyword">engineForKeyword</a></td>
<td>Public method to get the engine for a keyword.</td>
</tr><tr>
<td><a href="#OpenSearchManager.enginesChanged">enginesChanged</a></td>
<td>Public slot to tell the search engine manager, that something has changed.</td>
</tr><tr>
<td><a href="#OpenSearchManager.enginesCount">enginesCount</a></td>
<td>Public method to get the number of available engines.</td>
</tr><tr>
<td><a href="#OpenSearchManager.enginesDirectory">enginesDirectory</a></td>
<td>Public method to determine the directory containing the search engine descriptions.</td>
</tr><tr>
<td><a href="#OpenSearchManager.generateEngineFileName">generateEngineFileName</a></td>
<td>Public method to generate a valid engine file name.</td>
</tr><tr>
<td><a href="#OpenSearchManager.keywordsForEngine">keywordsForEngine</a></td>
<td>Public method to get the keywords for a given engine.</td>
</tr><tr>
<td><a href="#OpenSearchManager.load">load</a></td>
<td>Public method to load the search engines configuration.</td>
</tr><tr>
<td><a href="#OpenSearchManager.loadDirectory">loadDirectory</a></td>
<td>Public method to load the search engine definitions from files.</td>
</tr><tr>
<td><a href="#OpenSearchManager.removeEngine">removeEngine</a></td>
<td>Public method to remove an engine.</td>
</tr><tr>
<td><a href="#OpenSearchManager.restoreDefaults">restoreDefaults</a></td>
<td>Public method to restore the default search engines.</td>
</tr><tr>
<td><a href="#OpenSearchManager.save">save</a></td>
<td>Public method to save the search engines configuration.</td>
</tr><tr>
<td><a href="#OpenSearchManager.saveDirectory">saveDirectory</a></td>
<td>Public method to save the search engine definitions to files.</td>
</tr><tr>
<td><a href="#OpenSearchManager.setCurrentEngine">setCurrentEngine</a></td>
<td>Public method to set the current engine.</td>
</tr><tr>
<td><a href="#OpenSearchManager.setCurrentEngineName">setCurrentEngineName</a></td>
<td>Public method to set the current engine by name.</td>
</tr><tr>
<td><a href="#OpenSearchManager.setEngineForKeyword">setEngineForKeyword</a></td>
<td>Public method to set the engine for a keyword.</td>
</tr><tr>
<td><a href="#OpenSearchManager.setKeywordsForEngine">setKeywordsForEngine</a></td>
<td>Public method to set the keywords for an engine.</td>
</tr>
</table>
<a NAME="OpenSearchManager.__init__" ID="OpenSearchManager.__init__"></a>
<h4>OpenSearchManager (Constructor)</h4>
<b>OpenSearchManager</b>(<i>parent=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>parent</i></dt>
<dd>
reference to the parent object (QObject)
</dd>
</dl><a NAME="OpenSearchManager.__addEngineByEngine" ID="OpenSearchManager.__addEngineByEngine"></a>
<h4>OpenSearchManager.__addEngineByEngine</h4>
<b>__addEngineByEngine</b>(<i>engine</i>)
<p>
        Private method to add a new search engine given a reference to an engine.
</p><dl>
<dt><i>engine</i></dt>
<dd>
reference to an engine object (OpenSearchEngine)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating success (boolean)
</dd>
</dl><a NAME="OpenSearchManager.__addEngineByFile" ID="OpenSearchManager.__addEngineByFile"></a>
<h4>OpenSearchManager.__addEngineByFile</h4>
<b>__addEngineByFile</b>(<i>filename</i>)
<p>
        Private method to add a new search engine given a filename.
</p><dl>
<dt><i>filename</i></dt>
<dd>
name of a file containing the engine definition (string)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating success (boolean)
</dd>
</dl><a NAME="OpenSearchManager.__addEngineByUrl" ID="OpenSearchManager.__addEngineByUrl"></a>
<h4>OpenSearchManager.__addEngineByUrl</h4>
<b>__addEngineByUrl</b>(<i>url</i>)
<p>
        Private method to add a new search engine given it's URL.
</p><dl>
<dt><i>url</i></dt>
<dd>
URL of the engine definition file (QUrl)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating success (boolean)
</dd>
</dl><a NAME="OpenSearchManager.__confirmAddition" ID="OpenSearchManager.__confirmAddition"></a>
<h4>OpenSearchManager.__confirmAddition</h4>
<b>__confirmAddition</b>(<i>engine</i>)
<p>
        Private method to confirm the addition of a new search engine.
</p><dl>
<dt><i>engine</i></dt>
<dd>
reference to the engine to be added (OpenSearchEngine)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating the engine shall be added (boolean)
</dd>
</dl><a NAME="OpenSearchManager.__engineFromUrlAvailable" ID="OpenSearchManager.__engineFromUrlAvailable"></a>
<h4>OpenSearchManager.__engineFromUrlAvailable</h4>
<b>__engineFromUrlAvailable</b>(<i></i>)
<p>
        Private slot to add a search engine from the net.
</p><a NAME="OpenSearchManager.addEngine" ID="OpenSearchManager.addEngine"></a>
<h4>OpenSearchManager.addEngine</h4>
<b>addEngine</b>(<i>engine</i>)
<p>
        Public method to add a new search engine.
</p><dl>
<dt><i>engine</i></dt>
<dd>
URL of the engine definition file (QUrl) or
            name of a file containing the engine definition (string)
            or reference to an engine object (OpenSearchEngine)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating success (boolean)
</dd>
</dl><a NAME="OpenSearchManager.allEnginesNames" ID="OpenSearchManager.allEnginesNames"></a>
<h4>OpenSearchManager.allEnginesNames</h4>
<b>allEnginesNames</b>(<i></i>)
<p>
        Public method to get a list of all engine names.
</p><dl>
<dt>Returns:</dt>
<dd>
sorted list of all engine names (list of strings)
</dd>
</dl><a NAME="OpenSearchManager.close" ID="OpenSearchManager.close"></a>
<h4>OpenSearchManager.close</h4>
<b>close</b>(<i></i>)
<p>
        Public method to close the open search engines manager.
</p><a NAME="OpenSearchManager.convertKeywordSearchToUrl" ID="OpenSearchManager.convertKeywordSearchToUrl"></a>
<h4>OpenSearchManager.convertKeywordSearchToUrl</h4>
<b>convertKeywordSearchToUrl</b>(<i>keywordSearch</i>)
<p>
        Public method to get the search URL for a keyword search.
</p><dl>
<dt><i>keywordSearch</i></dt>
<dd>
search string for keyword search (string)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
search URL (QUrl)
</dd>
</dl><a NAME="OpenSearchManager.currentEngine" ID="OpenSearchManager.currentEngine"></a>
<h4>OpenSearchManager.currentEngine</h4>
<b>currentEngine</b>(<i></i>)
<p>
        Public method to get a reference to the current engine.
</p><dl>
<dt>Returns:</dt>
<dd>
reference to the current engine (OpenSearchEngine)
</dd>
</dl><a NAME="OpenSearchManager.currentEngineName" ID="OpenSearchManager.currentEngineName"></a>
<h4>OpenSearchManager.currentEngineName</h4>
<b>currentEngineName</b>(<i></i>)
<p>
        Public method to get the name of the current search engine.
</p><dl>
<dt>Returns:</dt>
<dd>
name of the current search engine (string)
</dd>
</dl><a NAME="OpenSearchManager.engine" ID="OpenSearchManager.engine"></a>
<h4>OpenSearchManager.engine</h4>
<b>engine</b>(<i>name</i>)
<p>
        Public method to get a reference to the named engine.
</p><dl>
<dt><i>name</i></dt>
<dd>
name of the engine (string)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
reference to the engine (OpenSearchEngine)
</dd>
</dl><a NAME="OpenSearchManager.engineExists" ID="OpenSearchManager.engineExists"></a>
<h4>OpenSearchManager.engineExists</h4>
<b>engineExists</b>(<i>name</i>)
<p>
        Public method to check, if an engine exists.
</p><dl>
<dt><i>name</i></dt>
<dd>
name of the engine (string)
</dd>
</dl><a NAME="OpenSearchManager.engineForKeyword" ID="OpenSearchManager.engineForKeyword"></a>
<h4>OpenSearchManager.engineForKeyword</h4>
<b>engineForKeyword</b>(<i>keyword</i>)
<p>
        Public method to get the engine for a keyword.
</p><dl>
<dt><i>keyword</i></dt>
<dd>
keyword to get engine for (string)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
reference to the search engine object (OpenSearchEngine)
</dd>
</dl><a NAME="OpenSearchManager.enginesChanged" ID="OpenSearchManager.enginesChanged"></a>
<h4>OpenSearchManager.enginesChanged</h4>
<b>enginesChanged</b>(<i></i>)
<p>
        Public slot to tell the search engine manager, that something has changed.
</p><a NAME="OpenSearchManager.enginesCount" ID="OpenSearchManager.enginesCount"></a>
<h4>OpenSearchManager.enginesCount</h4>
<b>enginesCount</b>(<i></i>)
<p>
        Public method to get the number of available engines.
</p><dl>
<dt>Returns:</dt>
<dd>
number of engines (integer)
</dd>
</dl><a NAME="OpenSearchManager.enginesDirectory" ID="OpenSearchManager.enginesDirectory"></a>
<h4>OpenSearchManager.enginesDirectory</h4>
<b>enginesDirectory</b>(<i></i>)
<p>
        Public method to determine the directory containing the search engine
        descriptions.
</p><dl>
<dt>Returns:</dt>
<dd>
directory name (string)
</dd>
</dl><a NAME="OpenSearchManager.generateEngineFileName" ID="OpenSearchManager.generateEngineFileName"></a>
<h4>OpenSearchManager.generateEngineFileName</h4>
<b>generateEngineFileName</b>(<i>engineName</i>)
<p>
        Public method to generate a valid engine file name.
</p><dl>
<dt><i>engineName</i></dt>
<dd>
name of the engine (string)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
valid engine file name (string)
</dd>
</dl><a NAME="OpenSearchManager.keywordsForEngine" ID="OpenSearchManager.keywordsForEngine"></a>
<h4>OpenSearchManager.keywordsForEngine</h4>
<b>keywordsForEngine</b>(<i>engine</i>)
<p>
        Public method to get the keywords for a given engine.
</p><dl>
<dt><i>engine</i></dt>
<dd>
reference to the search engine object (OpenSearchEngine)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
list of keywords (list of strings)
</dd>
</dl><a NAME="OpenSearchManager.load" ID="OpenSearchManager.load"></a>
<h4>OpenSearchManager.load</h4>
<b>load</b>(<i></i>)
<p>
        Public method to load the search engines configuration.
</p><a NAME="OpenSearchManager.loadDirectory" ID="OpenSearchManager.loadDirectory"></a>
<h4>OpenSearchManager.loadDirectory</h4>
<b>loadDirectory</b>(<i>dirName</i>)
<p>
        Public method to load the search engine definitions from files.
</p><dl>
<dt><i>dirName</i></dt>
<dd>
name of the directory to load the files from (string)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating success (boolean)
</dd>
</dl><a NAME="OpenSearchManager.removeEngine" ID="OpenSearchManager.removeEngine"></a>
<h4>OpenSearchManager.removeEngine</h4>
<b>removeEngine</b>(<i>name</i>)
<p>
        Public method to remove an engine.
</p><dl>
<dt><i>name</i></dt>
<dd>
name of the engine (string)
</dd>
</dl><a NAME="OpenSearchManager.restoreDefaults" ID="OpenSearchManager.restoreDefaults"></a>
<h4>OpenSearchManager.restoreDefaults</h4>
<b>restoreDefaults</b>(<i></i>)
<p>
        Public method to restore the default search engines.
</p><a NAME="OpenSearchManager.save" ID="OpenSearchManager.save"></a>
<h4>OpenSearchManager.save</h4>
<b>save</b>(<i></i>)
<p>
        Public method to save the search engines configuration.
</p><a NAME="OpenSearchManager.saveDirectory" ID="OpenSearchManager.saveDirectory"></a>
<h4>OpenSearchManager.saveDirectory</h4>
<b>saveDirectory</b>(<i>dirName</i>)
<p>
        Public method to save the search engine definitions to files.
</p><dl>
<dt><i>dirName</i></dt>
<dd>
name of the directory to write the files to (string)
</dd>
</dl><a NAME="OpenSearchManager.setCurrentEngine" ID="OpenSearchManager.setCurrentEngine"></a>
<h4>OpenSearchManager.setCurrentEngine</h4>
<b>setCurrentEngine</b>(<i>engine</i>)
<p>
        Public method to set the current engine.
</p><dl>
<dt><i>engine</i></dt>
<dd>
reference to the new current engine (OpenSearchEngine)
</dd>
</dl><a NAME="OpenSearchManager.setCurrentEngineName" ID="OpenSearchManager.setCurrentEngineName"></a>
<h4>OpenSearchManager.setCurrentEngineName</h4>
<b>setCurrentEngineName</b>(<i>name</i>)
<p>
        Public method to set the current engine by name.
</p><dl>
<dt><i>name</i></dt>
<dd>
name of the new current engine (string)
</dd>
</dl><a NAME="OpenSearchManager.setEngineForKeyword" ID="OpenSearchManager.setEngineForKeyword"></a>
<h4>OpenSearchManager.setEngineForKeyword</h4>
<b>setEngineForKeyword</b>(<i>keyword, engine</i>)
<p>
        Public method to set the engine for a keyword.
</p><dl>
<dt><i>keyword</i></dt>
<dd>
keyword to get engine for (string)
</dd><dt><i>engine</i></dt>
<dd>
reference to the search engine object (OpenSearchEngine)
            or None to remove the keyword
</dd>
</dl><a NAME="OpenSearchManager.setKeywordsForEngine" ID="OpenSearchManager.setKeywordsForEngine"></a>
<h4>OpenSearchManager.setKeywordsForEngine</h4>
<b>setKeywordsForEngine</b>(<i>engine, keywords</i>)
<p>
        Public method to set the keywords for an engine.
</p><dl>
<dt><i>engine</i></dt>
<dd>
reference to the search engine object (OpenSearchEngine)
</dd><dt><i>keywords</i></dt>
<dd>
list of keywords (list of strings)
</dd>
</dl>
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