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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Wt examples: PieExample Class Reference</title>
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<div class="contents">
<h1>PieExample Class Reference<br>
<small>
[<a class="el" href="group__chartsexample.html">Charts example</a>]</small>
</h1><!-- doxytag: class="PieExample" --><!-- doxytag: inherits="Wt::WContainerWidget" -->A Widget that demonstrates a Pie chart.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="ChartsExample_8h-source.html">ChartsExample.h</a>></code>
<p>
<div class="dynheader">
Inheritance diagram for PieExample:</div>
<div class="dynsection">
<p><center><img src="classPieExample__inherit__graph.png" border="0" usemap="#PieExample__inherit__map" alt="Inheritance graph"></center>
<map name="PieExample__inherit__map">
<area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html" title="Wt::WContainerWidget" alt="" coords="5,304,157,331"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WInteractWidget.html" title="Wt::WInteractWidget" alt="" coords="11,229,152,256"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWebWidget.html" title="Wt::WWebWidget" alt="" coords="20,155,143,181"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWidget.html" title="Wt::WWidget" alt="" coords="33,80,129,107"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WObject.html" title="Wt::WObject" alt="" coords="33,5,129,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classPieExample-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPieExample.html#23e7441e0e0e19e4dda48ee17bf651ca">PieExample</a> (<a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html">Wt::WContainerWidget</a> *<a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWidget.html#3461e31818c4d2f516641bdaf508312a">parent</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates the pie chart example. <a href="#23e7441e0e0e19e4dda48ee17bf651ca"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A Widget that demonstrates a Pie chart.
<p>Definition at line <a class="el" href="ChartsExample_8h-source.html#l00059">59</a> of file <a class="el" href="ChartsExample_8h-source.html">ChartsExample.h</a>.</p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="23e7441e0e0e19e4dda48ee17bf651ca"></a><!-- doxytag: member="PieExample::PieExample" ref="23e7441e0e0e19e4dda48ee17bf651ca" args="(Wt::WContainerWidget *parent)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">PieExample::PieExample </td>
<td>(</td>
<td class="paramtype"><a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html">Wt::WContainerWidget</a> * </td>
<td class="paramname"> <em>parent</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Creates the pie chart example.
<p>
<p>Definition at line <a class="el" href="ChartsExample_8C-source.html#l00228">228</a> of file <a class="el" href="ChartsExample_8C-source.html">ChartsExample.C</a>.</p>
<div class="fragment"><pre class="fragment"><a name="l00228"></a>00228 :
<a name="l00229"></a>00229 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html#520ba6e52a36a7f2efbef1a31a69e898">WContainerWidget</a>(parent)
<a name="l00230"></a>00230 {
<a name="l00231"></a>00231 <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WText.html">WText</a>(WString::tr(<span class="stringliteral">"pie chart"</span>), <span class="keyword">this</span>);
<a name="l00232"></a>00232
<a name="l00233"></a>00233 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WAbstractItemModel.html">WAbstractItemModel</a> *model = <a class="code" href="ChartsExample_8C.html#ffec5e7d98eb601a40bf039d67cd7982">readCsvFile</a>(<span class="stringliteral">"pie.csv"</span>, <span class="keyword">this</span>);
<a name="l00234"></a>00234
<a name="l00235"></a>00235 <span class="keywordflow">if</span> (!model)
<a name="l00236"></a>00236 <span class="keywordflow">return</span>;
<a name="l00237"></a>00237
<a name="l00238"></a>00238 <span class="comment">/*</span>
<a name="l00239"></a>00239 <span class="comment"> * If we have JavaScript, show an Ext table view that allows editing</span>
<a name="l00240"></a>00240 <span class="comment"> * of the model.</span>
<a name="l00241"></a>00241 <span class="comment"> */</span>
<a name="l00242"></a>00242 <span class="keywordflow">if</span> (wApp->environment().javaScript()) {
<a name="l00243"></a>00243 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html">WContainerWidget</a> *w = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html#520ba6e52a36a7f2efbef1a31a69e898">WContainerWidget</a>(<span class="keyword">this</span>);
<a name="l00244"></a>00244 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Ext_1_1TableView.html">Ext::TableView</a> *table = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Ext_1_1TableView.html">Ext::TableView</a>(w);
<a name="l00245"></a>00245 table-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWebWidget.html#07719d06da0dd17af2381c663e8fb0b7">setMargin</a>(10, Top | Bottom);
<a name="l00246"></a>00246 table-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWebWidget.html#07719d06da0dd17af2381c663e8fb0b7">setMargin</a>(WLength::Auto, Left | Right);
<a name="l00247"></a>00247 table-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWebWidget.html#e1b84e31581405358b6d57ec14505234">resize</a>(300, 175);
<a name="l00248"></a>00248 table-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Ext_1_1TableView.html#e749720b6992ecf62a900bbc45a5607d">setModel</a>(model);
<a name="l00249"></a>00249 table-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Ext_1_1TableView.html#88f1de406a741b47533311d249a168dc">setAutoExpandColumn</a>(0);
<a name="l00250"></a>00250
<a name="l00251"></a>00251 table-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Ext_1_1TableView.html#8fce08c9e2b06463377342e03f2970d2">setEditor</a>(0, <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Ext_1_1LineEdit.html">Ext::LineEdit</a>());
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i < model-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WAbstractItemModel.html#bcf7912a95a0a60f8e9b1c37d30b8383">columnCount</a>(); ++i)
<a name="l00254"></a>00254 table-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Ext_1_1TableView.html#8fce08c9e2b06463377342e03f2970d2">setEditor</a>(i, <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Ext_1_1NumberField.html">Ext::NumberField</a>());
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="comment">/*</span>
<a name="l00258"></a>00258 <span class="comment"> * Create the pie chart.</span>
<a name="l00259"></a>00259 <span class="comment"> */</span>
<a name="l00260"></a>00260 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Chart_1_1WPieChart.html">WPieChart</a> *chart = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Chart_1_1WPieChart.html">WPieChart</a>(<span class="keyword">this</span>);
<a name="l00261"></a>00261 chart-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Chart_1_1WAbstractChart.html#a23d116689e939301470398df8ad5c8b">setModel</a>(model); <span class="comment">// set the model</span>
<a name="l00262"></a>00262 chart-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Chart_1_1WPieChart.html#a40bfd3f2095106f8081596b235de4c6">setLabelsColumn</a>(0); <span class="comment">// set the column that holds the labels</span>
<a name="l00263"></a>00263 chart-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Chart_1_1WPieChart.html#3692ea22a1417e599e9358b0ed5a723d">setDataColumn</a>(1); <span class="comment">// set the column that holds the data</span>
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <span class="comment">// configure location and type of labels</span>
<a name="l00266"></a>00266 chart-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Chart_1_1WPieChart.html#89324f6159e5893e1ddd368718d00e5d">setDisplayLabels</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/group__charts.html#gg9345394a8eeda6800d8a24c5df44d98388861128e109b6a63e76a311dc57e408">Outside</a> | <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/group__charts.html#gg9345394a8eeda6800d8a24c5df44d98360df9add81425373c20fafe8c4e40b0e">TextLabel</a> | <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/group__charts.html#gg9345394a8eeda6800d8a24c5df44d983307741727c5ef5e33efcd347a0853e50">TextPercentage</a>);
<a name="l00267"></a>00267
<a name="l00268"></a>00268 <span class="comment">// enable a 3D effect</span>
<a name="l00269"></a>00269 chart-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Chart_1_1WPieChart.html#e36d57f4c2801cb8599a1bc99e340a24">setPerspectiveEnabled</a>(<span class="keyword">true</span>, 0.2);
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="comment">// explode the first item</span>
<a name="l00272"></a>00272 chart-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Chart_1_1WPieChart.html#4a2bfe0c147b5433d340d49351b5032c">setExplode</a>(0, 0.3);
<a name="l00273"></a>00273
<a name="l00274"></a>00274 chart-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WPaintedWidget.html#a57b940110d240951d0e3a6d03390319">resize</a>(800, 300); <span class="comment">// WPaintedWidget must be given explicit size</span>
<a name="l00275"></a>00275
<a name="l00276"></a>00276 chart-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWebWidget.html#07719d06da0dd17af2381c663e8fb0b7">setMargin</a>(10, Top | Bottom); <span class="comment">// add margin vertically</span>
<a name="l00277"></a>00277 chart-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWebWidget.html#07719d06da0dd17af2381c663e8fb0b7">setMargin</a>(WLength::Auto, Left | Right); <span class="comment">// center horizontally</span>
<a name="l00278"></a>00278 }
</pre></div>
<p>
</div>
</div><p>
<hr>The documentation for this class was generated from the following files:<ul>
<li>/home/koen/project/wt/public-git/wt/examples/charts/<a class="el" href="ChartsExample_8h-source.html">ChartsExample.h</a><li>/home/koen/project/wt/public-git/wt/examples/charts/<a class="el" href="ChartsExample_8C-source.html">ChartsExample.C</a></ul>
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