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Documentation/Source/eric6.Graphics.SvgDiagram.html@a3809f75ca07

Documentation/Source/eric6.Graphics.SvgDiagram.html

Tue, 24 Oct 2017 19:09:09 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Tue, 24 Oct 2017 19:09:09 +0200
changeset 5928
a3809f75ca07
parent 3673
e26d7d0c1088
permissions
-rw-r--r--

Changed the logic of the two web browsers in order to put new downloads at the top of the list of downloads and add the download date and time to the shown info.

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<title>eric6.Graphics.SvgDiagram</title>
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<h1>eric6.Graphics.SvgDiagram</h1>
<p>
Module implementing a dialog showing a SVG graphic.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#SvgDiagram">SvgDiagram</a></td>
<td>Class implementing a dialog showing a SVG graphic.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr><td>None</td></tr>
</table>
<hr /><hr />
<a NAME="SvgDiagram" ID="SvgDiagram"></a>
<h2>SvgDiagram</h2>
<p>
    Class implementing a dialog showing a SVG graphic.
</p>
<h3>Derived from</h3>
E5MainWindow
<h3>Class Attributes</h3>
<table>
<tr><td>ZoomLevelDefault</td></tr><tr><td>ZoomLevels</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#SvgDiagram.__init__">SvgDiagram</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#SvgDiagram.__adjustScrollBar">__adjustScrollBar</a></td>
<td>Private method to adjust a scrollbar by a certain factor.</td>
</tr><tr>
<td><a href="#SvgDiagram.__doZoom">__doZoom</a></td>
<td>Private method to set the zoom value in percent.</td>
</tr><tr>
<td><a href="#SvgDiagram.__initActions">__initActions</a></td>
<td>Private method to initialize the view actions.</td>
</tr><tr>
<td><a href="#SvgDiagram.__initContextMenu">__initContextMenu</a></td>
<td>Private method to initialize the context menu.</td>
</tr><tr>
<td><a href="#SvgDiagram.__initToolBars">__initToolBars</a></td>
<td>Private method to populate the toolbars with our actions.</td>
</tr><tr>
<td><a href="#SvgDiagram.__levelForZoom">__levelForZoom</a></td>
<td>Private method determining the zoom level index given a zoom factor.</td>
</tr><tr>
<td><a href="#SvgDiagram.__print">__print</a></td>
<td>Private slot to the actual printing.</td>
</tr><tr>
<td><a href="#SvgDiagram.__printDiagram">__printDiagram</a></td>
<td>Private slot called to print the diagram.</td>
</tr><tr>
<td><a href="#SvgDiagram.__printPreviewDiagram">__printPreviewDiagram</a></td>
<td>Private slot called to show a print preview of the diagram.</td>
</tr><tr>
<td><a href="#SvgDiagram.__showContextMenu">__showContextMenu</a></td>
<td>Private slot to show the context menu of the listview.</td>
</tr><tr>
<td><a href="#SvgDiagram.__zoom">__zoom</a></td>
<td>Private method to get the current zoom factor in percent.</td>
</tr><tr>
<td><a href="#SvgDiagram.__zoomIn">__zoomIn</a></td>
<td>Private method to zoom into the SVG.</td>
</tr><tr>
<td><a href="#SvgDiagram.__zoomOut">__zoomOut</a></td>
<td>Private method to zoom out of the SVG.</td>
</tr><tr>
<td><a href="#SvgDiagram.__zoomReset">__zoomReset</a></td>
<td>Private method to reset the zoom value.</td>
</tr><tr>
<td><a href="#SvgDiagram.event">event</a></td>
<td>Public method handling events.</td>
</tr><tr>
<td><a href="#SvgDiagram.gestureEvent">gestureEvent</a></td>
<td>Protected method handling gesture events.</td>
</tr><tr>
<td><a href="#SvgDiagram.getDiagramName">getDiagramName</a></td>
<td>Public method to retrieve a name for the diagram.</td>
</tr><tr>
<td><a href="#SvgDiagram.wheelEvent">wheelEvent</a></td>
<td>Protected method to handle wheel events.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="SvgDiagram.__init__" ID="SvgDiagram.__init__"></a>
<h4>SvgDiagram (Constructor)</h4>
<b>SvgDiagram</b>(<i>svgFile, parent=None, name=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>svgFile</i></dt>
<dd>
filename of a SVG graphics file to show (string)
</dd><dt><i>parent</i></dt>
<dd>
parent widget of the view (QWidget)
</dd><dt><i>name</i></dt>
<dd>
name of the view widget (string)
</dd>
</dl><a NAME="SvgDiagram.__adjustScrollBar" ID="SvgDiagram.__adjustScrollBar"></a>
<h4>SvgDiagram.__adjustScrollBar</h4>
<b>__adjustScrollBar</b>(<i>scrollBar, factor</i>)
<p>
        Private method to adjust a scrollbar by a certain factor.
</p><dl>
<dt><i>scrollBar</i></dt>
<dd>
reference to the scrollbar object (QScrollBar)
</dd><dt><i>factor</i></dt>
<dd>
factor to adjust by (float)
</dd>
</dl><a NAME="SvgDiagram.__doZoom" ID="SvgDiagram.__doZoom"></a>
<h4>SvgDiagram.__doZoom</h4>
<b>__doZoom</b>(<i>value</i>)
<p>
        Private method to set the zoom value in percent.
</p><dl>
<dt><i>value</i></dt>
<dd>
zoom value in percent (integer)
</dd>
</dl><a NAME="SvgDiagram.__initActions" ID="SvgDiagram.__initActions"></a>
<h4>SvgDiagram.__initActions</h4>
<b>__initActions</b>(<i></i>)
<p>
        Private method to initialize the view actions.
</p><a NAME="SvgDiagram.__initContextMenu" ID="SvgDiagram.__initContextMenu"></a>
<h4>SvgDiagram.__initContextMenu</h4>
<b>__initContextMenu</b>(<i></i>)
<p>
        Private method to initialize the context menu.
</p><a NAME="SvgDiagram.__initToolBars" ID="SvgDiagram.__initToolBars"></a>
<h4>SvgDiagram.__initToolBars</h4>
<b>__initToolBars</b>(<i></i>)
<p>
        Private method to populate the toolbars with our actions.
</p><a NAME="SvgDiagram.__levelForZoom" ID="SvgDiagram.__levelForZoom"></a>
<h4>SvgDiagram.__levelForZoom</h4>
<b>__levelForZoom</b>(<i>zoom</i>)
<p>
        Private method determining the zoom level index given a zoom factor.
</p><dl>
<dt><i>zoom</i></dt>
<dd>
zoom factor (integer)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
index of zoom factor (integer)
</dd>
</dl><a NAME="SvgDiagram.__print" ID="SvgDiagram.__print"></a>
<h4>SvgDiagram.__print</h4>
<b>__print</b>(<i>printer</i>)
<p>
        Private slot to the actual printing.
</p><dl>
<dt><i>printer</i></dt>
<dd>
reference to the printer object (QPrinter)
</dd>
</dl><a NAME="SvgDiagram.__printDiagram" ID="SvgDiagram.__printDiagram"></a>
<h4>SvgDiagram.__printDiagram</h4>
<b>__printDiagram</b>(<i></i>)
<p>
        Private slot called to print the diagram.
</p><a NAME="SvgDiagram.__printPreviewDiagram" ID="SvgDiagram.__printPreviewDiagram"></a>
<h4>SvgDiagram.__printPreviewDiagram</h4>
<b>__printPreviewDiagram</b>(<i></i>)
<p>
        Private slot called to show a print preview of the diagram.
</p><a NAME="SvgDiagram.__showContextMenu" ID="SvgDiagram.__showContextMenu"></a>
<h4>SvgDiagram.__showContextMenu</h4>
<b>__showContextMenu</b>(<i>coord</i>)
<p>
        Private slot to show the context menu of the listview.
</p><dl>
<dt><i>coord</i></dt>
<dd>
the position of the mouse pointer (QPoint)
</dd>
</dl><a NAME="SvgDiagram.__zoom" ID="SvgDiagram.__zoom"></a>
<h4>SvgDiagram.__zoom</h4>
<b>__zoom</b>(<i></i>)
<p>
        Private method to get the current zoom factor in percent.
</p><dl>
<dt>Returns:</dt>
<dd>
current zoom factor in percent (integer)
</dd>
</dl><a NAME="SvgDiagram.__zoomIn" ID="SvgDiagram.__zoomIn"></a>
<h4>SvgDiagram.__zoomIn</h4>
<b>__zoomIn</b>(<i></i>)
<p>
        Private method to zoom into the SVG.
</p><a NAME="SvgDiagram.__zoomOut" ID="SvgDiagram.__zoomOut"></a>
<h4>SvgDiagram.__zoomOut</h4>
<b>__zoomOut</b>(<i></i>)
<p>
        Private method to zoom out of the SVG.
</p><a NAME="SvgDiagram.__zoomReset" ID="SvgDiagram.__zoomReset"></a>
<h4>SvgDiagram.__zoomReset</h4>
<b>__zoomReset</b>(<i></i>)
<p>
        Private method to reset the zoom value.
</p><a NAME="SvgDiagram.event" ID="SvgDiagram.event"></a>
<h4>SvgDiagram.event</h4>
<b>event</b>(<i>evt</i>)
<p>
        Public method handling events.
</p><dl>
<dt><i>evt</i></dt>
<dd>
reference to the event (QEvent)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating, if the event was handled (boolean)
</dd>
</dl><a NAME="SvgDiagram.gestureEvent" ID="SvgDiagram.gestureEvent"></a>
<h4>SvgDiagram.gestureEvent</h4>
<b>gestureEvent</b>(<i>evt</i>)
<p>
        Protected method handling gesture events.
</p><dl>
<dt><i>evt</i></dt>
<dd>
reference to the gesture event (QGestureEvent
</dd>
</dl><a NAME="SvgDiagram.getDiagramName" ID="SvgDiagram.getDiagramName"></a>
<h4>SvgDiagram.getDiagramName</h4>
<b>getDiagramName</b>(<i></i>)
<p>
        Public method to retrieve a name for the diagram.
</p><dl>
<dt>Returns:</dt>
<dd>
name for the diagram
</dd>
</dl><a NAME="SvgDiagram.wheelEvent" ID="SvgDiagram.wheelEvent"></a>
<h4>SvgDiagram.wheelEvent</h4>
<b>wheelEvent</b>(<i>evt</i>)
<p>
        Protected method to handle wheel events.
</p><dl>
<dt><i>evt</i></dt>
<dd>
reference to the wheel event (QWheelEvent)
</dd>
</dl>
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