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<div class="title">/home/koen/project/wt/public-git/wt/examples/treelist/DemoTreeList.C</div> </div>
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<a href="DemoTreeList_8C.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2008 Emweb bvba, Kessel-Lo, Belgium.</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * See the LICENSE file for terms of use.</span>
<a name="l00005"></a>00005 <span class="comment"> */</span>
<a name="l00006"></a>00006 <span class="preprocessor">#include <boost/lexical_cast.hpp></span>
<a name="l00007"></a>00007
<a name="l00008"></a>00008 <span class="preprocessor">#include <Wt/WApplication></span>
<a name="l00009"></a>00009 <span class="preprocessor">#include <Wt/WText></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include <Wt/WImage></span>
<a name="l00011"></a>00011 <span class="preprocessor">#include <Wt/WPushButton></span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="preprocessor">#include "<a class="code" href="DemoTreeList_8h.html">DemoTreeList.h</a>"</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include "<a class="code" href="TreeNode_8h.html">TreeNode.h</a>"</span>
<a name="l00015"></a>00015 <span class="preprocessor">#include "<a class="code" href="IconPair_8h.html">IconPair.h</a>"</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="keyword">using namespace </span>Wt;
<a name="l00018"></a>00018 <span class="keyword">using</span> std::rand;
<a name="l00019"></a>00019
<a name="l00020"></a><a class="code" href="classDemoTreeList.html#a5b07059aecf22b392e2d055cf451b0c7">00020</a> <a class="code" href="classDemoTreeList.html#a5b07059aecf22b392e2d055cf451b0c7" title="Create a DemoTreeList.">DemoTreeList::DemoTreeList</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html">WContainerWidget</a> *parent)
<a name="l00021"></a>00021 : <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html">WContainerWidget</a>(parent),
<a name="l00022"></a>00022 testCount_(0)
<a name="l00023"></a>00023 {
<a name="l00024"></a>00024 <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a2cfe66d9b62940f889e99538a9f478d2">addWidget</a>
<a name="l00025"></a>00025 (<span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html">WText</a>(<span class="stringliteral">"<h2>Wt Tree List example</h2>"</span>
<a name="l00026"></a>00026 <span class="stringliteral">"<p>This is a simple demo of a treelist, implemented using"</span>
<a name="l00027"></a>00027 <span class="stringliteral">" <a href='http://witty.sourceforge.net/'>Wt</a>.</p>"</span>
<a name="l00028"></a>00028 <span class="stringliteral">"<p>The leafs of the tree contain the source code of the "</span>
<a name="l00029"></a>00029 <span class="stringliteral">"tree-list in the classes <b>TreeNode</b> and "</span>
<a name="l00030"></a>00030 <span class="stringliteral">"<b>IconPair</b>, as well as the implementation of this "</span>
<a name="l00031"></a>00031 <span class="stringliteral">"demo itself in the class <b>DemoTreeList</b>.</p>"</span>));
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <a class="code" href="classDemoTreeList.html#a5b3471e575b6bf0dfa9e19cc41510d7d">tree_</a> = <a class="code" href="classDemoTreeList.html#ac1ddf9da261c37e9255eaa1fb972d6e2" title="Create a "map" node, and insert in the given parent.">makeTreeMap</a>(<span class="stringliteral">"Examples"</span>, 0);
<a name="l00034"></a>00034 <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a2cfe66d9b62940f889e99538a9f478d2">addWidget</a>(<a class="code" href="classDemoTreeList.html#a5b3471e575b6bf0dfa9e19cc41510d7d">tree_</a>);
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a> *treelist = <a class="code" href="classDemoTreeList.html#ac1ddf9da261c37e9255eaa1fb972d6e2" title="Create a "map" node, and insert in the given parent.">makeTreeMap</a>(<span class="stringliteral">"Tree List"</span>, <a class="code" href="classDemoTreeList.html#a5b3471e575b6bf0dfa9e19cc41510d7d">tree_</a>);
<a name="l00037"></a>00037 <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a> *wstateicon = <a class="code" href="classDemoTreeList.html#ac1ddf9da261c37e9255eaa1fb972d6e2" title="Create a "map" node, and insert in the given parent.">makeTreeMap</a>(<span class="stringliteral">"class IconPair"</span>, treelist);
<a name="l00038"></a>00038 <a class="code" href="classDemoTreeList.html#aef0149499570b8b89cbabe75879e30b6" title="Create a "file" node, and insert in the given parent.">makeTreeFile</a>(<span class="stringliteral">"<a href=\"IconPair.h\">IconPair.h</a>"</span>, wstateicon);
<a name="l00039"></a>00039 <a class="code" href="classDemoTreeList.html#aef0149499570b8b89cbabe75879e30b6" title="Create a "file" node, and insert in the given parent.">makeTreeFile</a>(<span class="stringliteral">"<a href=\"IconPair.C\">IconPair.C</a>"</span>, wstateicon);
<a name="l00040"></a>00040 <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a> *wtreenode = <a class="code" href="classDemoTreeList.html#ac1ddf9da261c37e9255eaa1fb972d6e2" title="Create a "map" node, and insert in the given parent.">makeTreeMap</a>(<span class="stringliteral">"class TreeNode"</span>, treelist);
<a name="l00041"></a>00041 <a class="code" href="classDemoTreeList.html#aef0149499570b8b89cbabe75879e30b6" title="Create a "file" node, and insert in the given parent.">makeTreeFile</a>(<span class="stringliteral">"<a href=\"TreeNode.h\">TreeNode.h</a>"</span>, wtreenode);
<a name="l00042"></a>00042 <a class="code" href="classDemoTreeList.html#aef0149499570b8b89cbabe75879e30b6" title="Create a "file" node, and insert in the given parent.">makeTreeFile</a>(<span class="stringliteral">"<a href=\"TreeNode.C\">TreeNode.C</a>"</span>, wtreenode);
<a name="l00043"></a>00043 <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a> *demotreelist = <a class="code" href="classDemoTreeList.html#ac1ddf9da261c37e9255eaa1fb972d6e2" title="Create a "map" node, and insert in the given parent.">makeTreeMap</a>(<span class="stringliteral">"class DemoTreeList"</span>, treelist);
<a name="l00044"></a>00044 <a class="code" href="classDemoTreeList.html#aef0149499570b8b89cbabe75879e30b6" title="Create a "file" node, and insert in the given parent.">makeTreeFile</a>(<span class="stringliteral">"<a href=\"DemoTreeList.h\">DemoTreeList.h</a>"</span>, demotreelist);
<a name="l00045"></a>00045 <a class="code" href="classDemoTreeList.html#aef0149499570b8b89cbabe75879e30b6" title="Create a "file" node, and insert in the given parent.">makeTreeFile</a>(<span class="stringliteral">"<a href=\"DemoTreeList.C\">DemoTreeList.C</a>"</span>, demotreelist);
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <a class="code" href="classDemoTreeList.html#af38b14ae38847b7f8c47d56fe5e89b34">testMap_</a> = <a class="code" href="classDemoTreeList.html#ac1ddf9da261c37e9255eaa1fb972d6e2" title="Create a "map" node, and insert in the given parent.">makeTreeMap</a>(<span class="stringliteral">"Test map"</span>, <a class="code" href="classDemoTreeList.html#a5b3471e575b6bf0dfa9e19cc41510d7d">tree_</a>);
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="comment">/*</span>
<a name="l00050"></a>00050 <span class="comment"> * Buttons to dynamically demonstrate changing the tree contents.</span>
<a name="l00051"></a>00051 <span class="comment"> */</span>
<a name="l00052"></a>00052 <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a2cfe66d9b62940f889e99538a9f478d2">addWidget</a>
<a name="l00053"></a>00053 (<span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html">WText</a>(<span class="stringliteral">"<p>Use the following buttons to change the tree "</span>
<a name="l00054"></a>00054 <span class="stringliteral">"contents:</p>"</span>));
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <a class="code" href="classDemoTreeList.html#a4f796ef14583c6b7fc0aec13508d83ee">addMapButton_</a>
<a name="l00057"></a>00057 = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WPushButton.html">WPushButton</a>(<span class="stringliteral">"Add map"</span>, <span class="keyword">this</span>);
<a name="l00058"></a>00058 <a class="code" href="classDemoTreeList.html#a4f796ef14583c6b7fc0aec13508d83ee">addMapButton_</a>-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html#ae11e050cce0d4a8f742afa3ef92bfe8c">clicked</a>().connect(<span class="keyword">this</span>, &<a class="code" href="classDemoTreeList.html#a59023d58bc5bb025d463935ed6f57b6b" title="Add a map.">DemoTreeList::addMap</a>);
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <a class="code" href="classDemoTreeList.html#aa77bb14d293f3efde79a47d3b4a5214e">removeMapButton_</a>
<a name="l00061"></a>00061 = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WPushButton.html">WPushButton</a>(<span class="stringliteral">"Remove map"</span>, <span class="keyword">this</span>);
<a name="l00062"></a>00062 <a class="code" href="classDemoTreeList.html#aa77bb14d293f3efde79a47d3b4a5214e">removeMapButton_</a>-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html#ae11e050cce0d4a8f742afa3ef92bfe8c">clicked</a>().connect(<span class="keyword">this</span>, &<a class="code" href="classDemoTreeList.html#a32e8d75762ff66fcab135cd55c6bcca6" title="Remove a map.">DemoTreeList::removeMap</a>);
<a name="l00063"></a>00063 <a class="code" href="classDemoTreeList.html#aa77bb14d293f3efde79a47d3b4a5214e">removeMapButton_</a>-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#a5f68ea0ab29adfb8e559153fca281e03">disable</a>();
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a2cfe66d9b62940f889e99538a9f478d2">addWidget</a>
<a name="l00066"></a>00066 (<span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html">WText</a>(<span class="stringliteral">"<p>Remarks:"</span>
<a name="l00067"></a>00067 <span class="stringliteral">"<ul>"</span>
<a name="l00068"></a>00068 <span class="stringliteral">"<li><p>This is not the instantiation of a pre-defined "</span>
<a name="l00069"></a>00069 <span class="stringliteral">"tree list component, but the full implementation of such "</span>
<a name="l00070"></a>00070 <span class="stringliteral">"a component, in about 350 lines of C++ code !</p> "</span>
<a name="l00071"></a>00071 <span class="stringliteral">"<p>In comparison, the <a href='http://myfaces.apache.org'> "</span>
<a name="l00072"></a>00072 <span class="stringliteral">"Apache MyFaces</a> JSF implementation of tree2, with similar "</span>
<a name="l00073"></a>00073 <span class="stringliteral">"functionality, uses about 2400 lines of Java, and 140 lines "</span>
<a name="l00074"></a>00074 <span class="stringliteral">"of JavaScript code.</p></li>"</span>
<a name="l00075"></a>00075 <span class="stringliteral">"<li><p>Once loaded, the tree list does not require any "</span>
<a name="l00076"></a>00076 <span class="stringliteral">"interaction with the server for handling the click events on "</span>
<a name="l00077"></a>00077 <span class="stringliteral">"the <img src='icons/nav-plus-line-middle.gif' /> and "</span>
<a name="l00078"></a>00078 <span class="stringliteral">"<img src='icons/nav-minus-line-middle.gif' /> icons, "</span>
<a name="l00079"></a>00079 <span class="stringliteral">"because these events have been connected to slots using "</span>
<a name="l00080"></a>00080 <span class="stringliteral">"STATIC connections. Such connections are converted to the "</span>
<a name="l00081"></a>00081 <span class="stringliteral">"appropriate JavaScript code that is inserted into the page. "</span>
<a name="l00082"></a>00082 <span class="stringliteral">"Still, the events are signaled to the server to update the "</span>
<a name="l00083"></a>00083 <span class="stringliteral">"application state.</p></li>"</span>
<a name="l00084"></a>00084 <span class="stringliteral">"<li><p>In contrast, the buttons for manipulating the tree "</span>
<a name="l00085"></a>00085 <span class="stringliteral">"contents use DYNAMIC connections, and thus the update "</span>
<a name="l00086"></a>00086 <span class="stringliteral">"is computed at server-side, and communicated back to the "</span>
<a name="l00087"></a>00087 <span class="stringliteral">"browser (by default using AJAX).</p></li>"</span>
<a name="l00088"></a>00088 <span class="stringliteral">"<li><p>When loading a page, only visible widgets (that are not "</span>
<a name="l00089"></a>00089 <span class="stringliteral">"<b>setHidden(true)</b>) are transmitted. "</span>
<a name="l00090"></a>00090 <span class="stringliteral">"The remaining widgets are loaded in the background after "</span>
<a name="l00091"></a>00091 <span class="stringliteral">"rendering the page. "</span>
<a name="l00092"></a>00092 <span class="stringliteral">"As a result the application is loaded as fast as possible.</p>"</span>
<a name="l00093"></a>00093 <span class="stringliteral">"</li>"</span>
<a name="l00094"></a>00094 <span class="stringliteral">"<li><p>The browser reload button is supported and behaves as "</span>
<a name="l00095"></a>00095 <span class="stringliteral">"expected: the page is reloaded from the server. Again, "</span>
<a name="l00096"></a>00096 <span class="stringliteral">"only visible widgets are transmitted immediately.</p> "</span>
<a name="l00097"></a>00097 <span class="stringliteral">"<p>(For the curious, this is the way to see the actual "</span>
<a name="l00098"></a>00098 <span class="stringliteral">"HTML/JavaScript code !)</p></li>"</span>
<a name="l00099"></a>00099 <span class="stringliteral">"</ul></p>"</span>));
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a><a class="code" href="classDemoTreeList.html#a59023d58bc5bb025d463935ed6f57b6b">00102</a> <span class="keywordtype">void</span> <a class="code" href="classDemoTreeList.html#a59023d58bc5bb025d463935ed6f57b6b" title="Add a map.">DemoTreeList::addMap</a>()
<a name="l00103"></a>00103 {
<a name="l00104"></a>00104 <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a> *node
<a name="l00105"></a>00105 = <a class="code" href="classDemoTreeList.html#ac1ddf9da261c37e9255eaa1fb972d6e2" title="Create a "map" node, and insert in the given parent.">makeTreeMap</a>(<span class="stringliteral">"Map "</span> + boost::lexical_cast<std::string>(++<a class="code" href="classDemoTreeList.html#a297ac3606b05e9185efc802cf0ebbadd">testCount_</a>),
<a name="l00106"></a>00106 <a class="code" href="classDemoTreeList.html#af38b14ae38847b7f8c47d56fe5e89b34">testMap_</a>);
<a name="l00107"></a>00107 <a class="code" href="classDemoTreeList.html#aef0149499570b8b89cbabe75879e30b6" title="Create a "file" node, and insert in the given parent.">makeTreeFile</a>(<span class="stringliteral">"File "</span> + boost::lexical_cast<std::string>(<a class="code" href="classDemoTreeList.html#a297ac3606b05e9185efc802cf0ebbadd">testCount_</a>),
<a name="l00108"></a>00108 node);
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <a class="code" href="classDemoTreeList.html#aa77bb14d293f3efde79a47d3b4a5214e">removeMapButton_</a>-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#ae6935d8baca9d37dd1d080b4383da87c">enable</a>();
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112
<a name="l00113"></a><a class="code" href="classDemoTreeList.html#a32e8d75762ff66fcab135cd55c6bcca6">00113</a> <span class="keywordtype">void</span> <a class="code" href="classDemoTreeList.html#a32e8d75762ff66fcab135cd55c6bcca6" title="Remove a map.">DemoTreeList::removeMap</a>()
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 <span class="keywordtype">int</span> numMaps = <a class="code" href="classDemoTreeList.html#af38b14ae38847b7f8c47d56fe5e89b34">testMap_</a>-><a class="code" href="classTreeNode.html#a73afc6b5f7587505a5c1ba1cf2a51341" title="Returns the list of children.">childNodes</a>().size();
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (numMaps > 0) {
<a name="l00118"></a>00118 <span class="keywordtype">int</span> c = rand() % numMaps;
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a> *child = <a class="code" href="classDemoTreeList.html#af38b14ae38847b7f8c47d56fe5e89b34">testMap_</a>-><a class="code" href="classTreeNode.html#a73afc6b5f7587505a5c1ba1cf2a51341" title="Returns the list of children.">childNodes</a>()[c];
<a name="l00121"></a>00121 <a class="code" href="classDemoTreeList.html#af38b14ae38847b7f8c47d56fe5e89b34">testMap_</a>-><a class="code" href="classTreeNode.html#aa772a12f5220a2256247048a1edcc581" title="Removes a child node.">removeChildNode</a>(child);
<a name="l00122"></a>00122 <span class="keyword">delete</span> child;
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keywordflow">if</span> (numMaps == 1)
<a name="l00125"></a>00125 <a class="code" href="classDemoTreeList.html#aa77bb14d293f3efde79a47d3b4a5214e">removeMapButton_</a>-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#a5f68ea0ab29adfb8e559153fca281e03">disable</a>();
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128
<a name="l00129"></a><a class="code" href="classDemoTreeList.html#ac1ddf9da261c37e9255eaa1fb972d6e2">00129</a> <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a> *<a class="code" href="classDemoTreeList.html#ac1ddf9da261c37e9255eaa1fb972d6e2" title="Create a "map" node, and insert in the given parent.">DemoTreeList::makeTreeMap</a>(<span class="keyword">const</span> std::string name, <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a> *parent)
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 <a class="code" href="classIconPair.html" title="An icon pair (identical to WIconPair)">IconPair</a> *labelIcon
<a name="l00132"></a>00132 = <span class="keyword">new</span> <a class="code" href="classIconPair.html" title="An icon pair (identical to WIconPair)">IconPair</a>(<span class="stringliteral">"icons/yellow-folder-closed.png"</span>,
<a name="l00133"></a>00133 <span class="stringliteral">"icons/yellow-folder-open.png"</span>,
<a name="l00134"></a>00134 <span class="keyword">false</span>);
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a> *node = <span class="keyword">new</span> <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a>(name, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#a140dea437d52d3d7c438ea3bd16a1480ae06bb9ae9a26d13c3dcf9f20d5067885">PlainText</a>, labelIcon, 0);
<a name="l00137"></a>00137 <span class="keywordflow">if</span> (parent)
<a name="l00138"></a>00138 parent-><a class="code" href="classTreeNode.html#aa3bca1b27d9cbb05b0fa13504498179e" title="Adds a child node.">addChildNode</a>(node);
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keywordflow">return</span> node;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00143"></a><a class="code" href="classDemoTreeList.html#aef0149499570b8b89cbabe75879e30b6">00143</a> <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a> *<a class="code" href="classDemoTreeList.html#aef0149499570b8b89cbabe75879e30b6" title="Create a "file" node, and insert in the given parent.">DemoTreeList::makeTreeFile</a>(<span class="keyword">const</span> std::string name,
<a name="l00144"></a>00144 <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a> *parent)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 <a class="code" href="classIconPair.html" title="An icon pair (identical to WIconPair)">IconPair</a> *labelIcon
<a name="l00147"></a>00147 = <span class="keyword">new</span> <a class="code" href="classIconPair.html" title="An icon pair (identical to WIconPair)">IconPair</a>(<span class="stringliteral">"icons/document.png"</span>, <span class="stringliteral">"icons/yellow-folder-open.png"</span>,
<a name="l00148"></a>00148 <span class="keyword">false</span>);
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a> *node = <span class="keyword">new</span> <a class="code" href="classTreeNode.html" title="Example implementation of a single tree list node.">TreeNode</a>(name, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#a140dea437d52d3d7c438ea3bd16a1480a847ab5a73b906fea275bd16877b420a4">XHTMLText</a>, labelIcon, 0);
<a name="l00151"></a>00151 <span class="keywordflow">if</span> (parent)
<a name="l00152"></a>00152 parent-><a class="code" href="classTreeNode.html#aa3bca1b27d9cbb05b0fa13504498179e" title="Adds a child node.">addChildNode</a>(node);
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="keywordflow">return</span> node;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a><a class="code" href="DemoTreeList_8C.html#acb337c09cd35644b56da8b0e5bb17b9c">00157</a> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html">WApplication</a> *<a class="code" href="ComposeExample_8C.html#acb337c09cd35644b56da8b0e5bb17b9c">createApplication</a>(<span class="keyword">const</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WEnvironment.html">WEnvironment</a>& env)
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159 <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html">WApplication</a> *app = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html">WApplication</a>(env);
<a name="l00160"></a>00160 <span class="keyword">new</span> <a class="code" href="classDemoTreeList.html" title="A demonstration of the treelist.">DemoTreeList</a>(app-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html#a17e118a04d962459484a12989a80bc05">root</a>());
<a name="l00161"></a>00161
<a name="l00162"></a>00162 <span class="comment">/*</span>
<a name="l00163"></a>00163 <span class="comment"> * The look & feel of the tree node is configured using a CSS style sheet.</span>
<a name="l00164"></a>00164 <span class="comment"> * If you are not familiar with CSS, you can use the WCssDecorationStyle</span>
<a name="l00165"></a>00165 <span class="comment"> * class ...</span>
<a name="l00166"></a>00166 <span class="comment"> */</span>
<a name="l00167"></a>00167 <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WCssDecorationStyle.html">WCssDecorationStyle</a> treeNodeLabelStyle;
<a name="l00168"></a>00168 treeNodeLabelStyle.<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WCssDecorationStyle.html#a5e552350f0955212ea237994a98638dc">font</a>().<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WFont.html#adf4922a79463304dedc2114049c054c1">setFamily</a>(WFont::Serif, <span class="stringliteral">"Helvetica"</span>);
<a name="l00169"></a>00169 app-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html#a6a9a20d65ce9e7c2f62b27387c94e10d">styleSheet</a>().<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WCssStyleSheet.html#ad2c989b38a7ee084a7c9b681e16e8a8c">addRule</a>(<span class="stringliteral">".treenodelabel"</span>, treeNodeLabelStyle);
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <span class="comment">/*</span>
<a name="l00172"></a>00172 <span class="comment"> * ... or if you speak CSS fluently, you can add verbatim rules.</span>
<a name="l00173"></a>00173 <span class="comment"> */</span>
<a name="l00174"></a>00174 app-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html#a6a9a20d65ce9e7c2f62b27387c94e10d">styleSheet</a>().<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WCssStyleSheet.html#ad2c989b38a7ee084a7c9b681e16e8a8c">addRule</a>(<span class="stringliteral">".treenodechildcount"</span>,
<a name="l00175"></a>00175 <span class="stringliteral">"color:blue; font-family:Helvetica,serif;"</span>);
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="keywordflow">return</span> app;
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179
<a name="l00180"></a><a class="code" href="DemoTreeList_8C.html#a3c04138a5bfe5d72780bb7e82a18e627">00180</a> <span class="keywordtype">int</span> <a class="code" href="ComposeExample_8C.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182 <span class="keywordflow">return</span> WRun(argc, argv, &<a class="code" href="ComposeExample_8C.html#acb337c09cd35644b56da8b0e5bb17b9c">createApplication</a>);
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184
</pre></div></div>
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