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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Wt examples: FolderView Class Reference</title>
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<div class="contents">
<h1>FolderView Class Reference<br>
<small>
[<a class="el" href="group__treeviewdragdrop.html">Drag and drop in WTreeView example</a>]</small>
</h1><!-- doxytag: class="FolderView" --><!-- doxytag: inherits="Wt::WTreeView" -->A specialized treeview that supports a custom drop event.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="FolderView_8h-source.html">FolderView.h</a>></code>
<p>
<div class="dynheader">
Inheritance diagram for FolderView:</div>
<div class="dynsection">
<p><center><img src="classFolderView__inherit__graph.png" border="0" usemap="#FolderView__inherit__map" alt="Inheritance graph"></center>
<map name="FolderView__inherit__map">
<area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WTreeView.html" title="Wt::WTreeView" alt="" coords="31,304,140,331"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WAbstractItemView.html" title="Wt::WAbstractItemView" alt="" coords="5,229,165,256"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WCompositeWidget.html" title="Wt::WCompositeWidget" alt="" coords="5,155,165,181"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWidget.html" title="Wt::WWidget" alt="" coords="37,80,133,107"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WObject.html" title="Wt::WObject" alt="" coords="37,5,133,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classFolderView-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="classFolderView.html#61d205958444a0a7f23cd9558e697c5c">FolderView</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>=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#61d205958444a0a7f23cd9558e697c5c"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Static Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classFolderView.html#f50f30fffaedf2e6e4b1e0d65acc9df0">FileSelectionMimeType</a> = "application/x-computers-selection"</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constant that indicates the mime type for a selection of files. <a href="#f50f30fffaedf2e6e4b1e0d65acc9df0"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classFolderView.html#7a33bd20f3847bed7fdd1fba82c1496f">dropEvent</a> (const <a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WDropEvent.html">Wt::WDropEvent</a> &event, const <a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WModelIndex.html">Wt::WModelIndex</a> &target)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Drop event. <a href="#7a33bd20f3847bed7fdd1fba82c1496f"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A specialized treeview that supports a custom drop event.
<p>Definition at line <a class="el" href="FolderView_8h-source.html#l00019">19</a> of file <a class="el" href="FolderView_8h-source.html">FolderView.h</a>.</p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="61d205958444a0a7f23cd9558e697c5c"></a><!-- doxytag: member="FolderView::FolderView" ref="61d205958444a0a7f23cd9558e697c5c" args="(Wt::WContainerWidget *parent=0)" -->
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<tr>
<td class="memname">FolderView::FolderView </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> = <code>0</code> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Constructor.
<p>
<p>Definition at line <a class="el" href="FolderView_8C-source.html#l00019">19</a> of file <a class="el" href="FolderView_8C-source.html">FolderView.C</a>.</p>
<div class="fragment"><pre class="fragment"><a name="l00020"></a>00020 : <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WTreeView.html#a6555aa2d53557340824faa314b318f2">WTreeView</a>(parent)
<a name="l00021"></a>00021 {
<a name="l00022"></a>00022 <span class="comment">/*</span>
<a name="l00023"></a>00023 <span class="comment"> * Accept drops for the custom mime type.</span>
<a name="l00024"></a>00024 <span class="comment"> */</span>
<a name="l00025"></a>00025 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWidget.html#ebee4b24e8128c08ae4aa3682adf6d8f">acceptDrops</a>(<a class="code" href="classFolderView.html#f50f30fffaedf2e6e4b1e0d65acc9df0" title="Constant that indicates the mime type for a selection of files.">FileSelectionMimeType</a>);
<a name="l00026"></a>00026 }
</pre></div>
<p>
</div>
</div><p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="7a33bd20f3847bed7fdd1fba82c1496f"></a><!-- doxytag: member="FolderView::dropEvent" ref="7a33bd20f3847bed7fdd1fba82c1496f" args="(const Wt::WDropEvent &event, const Wt::WModelIndex &target)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">void FolderView::dropEvent </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WDropEvent.html">Wt::WDropEvent</a> & </td>
<td class="paramname"> <em>event</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WModelIndex.html">Wt::WModelIndex</a> & </td>
<td class="paramname"> <em>target</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [protected, virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Drop event.
<p>
<p>Reimplemented from <a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WAbstractItemView.html#e80a4371f19e9c0c14f1cc961da17b87">Wt::WAbstractItemView</a>.</p>
<p>Definition at line <a class="el" href="FolderView_8C-source.html#l00028">28</a> of file <a class="el" href="FolderView_8C-source.html">FolderView.C</a>.</p>
<div class="fragment"><pre class="fragment"><a name="l00030"></a>00030 {
<a name="l00031"></a>00031 <span class="comment">/*</span>
<a name="l00032"></a>00032 <span class="comment"> * We reimplement the drop event to handle the dropping of a</span>
<a name="l00033"></a>00033 <span class="comment"> * selection of computers.</span>
<a name="l00034"></a>00034 <span class="comment"> *</span>
<a name="l00035"></a>00035 <span class="comment"> * The test below would always be true in this case, since we only</span>
<a name="l00036"></a>00036 <span class="comment"> * indicated support for that particular mime type.</span>
<a name="l00037"></a>00037 <span class="comment"> */</span>
<a name="l00038"></a>00038 <span class="keywordflow">if</span> (event.<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WDropEvent.html#14e3c3a1cb956319cefe63bddc29a0de">mimeType</a>() == <a class="code" href="classFolderView.html#f50f30fffaedf2e6e4b1e0d65acc9df0" title="Constant that indicates the mime type for a selection of files.">FileSelectionMimeType</a>) {
<a name="l00039"></a>00039 <span class="comment">/*</span>
<a name="l00040"></a>00040 <span class="comment"> * The source object for a drag of a selection from a WTreeView is</span>
<a name="l00041"></a>00041 <span class="comment"> * a WItemSelectionModel.</span>
<a name="l00042"></a>00042 <span class="comment"> */</span>
<a name="l00043"></a>00043 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WItemSelectionModel.html">WItemSelectionModel</a> *selection
<a name="l00044"></a>00044 = <span class="keyword">dynamic_cast<</span><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WItemSelectionModel.html">WItemSelectionModel</a> *<span class="keyword">></span>(<span class="keyword">event</span>.source());
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="preprocessor">#ifdef WT_THREADED</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span> <span class="keywordtype">int</span> result = WMessageBox::show
<a name="l00048"></a>00048 (<span class="stringliteral">"Drop event"</span>,
<a name="l00049"></a>00049 <span class="stringliteral">"Move "</span>
<a name="l00050"></a>00050 + boost::lexical_cast<std::string>(selection-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WItemSelectionModel.html#4c366757fa7e6b5b6519d34e3c2ac084">selectedIndexes</a>().size())
<a name="l00051"></a>00051 + <span class="stringliteral">" files to folder '"</span>
<a name="l00052"></a>00052 + boost::any_cast<WString>(target.<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WModelIndex.html#7f05920329ca4b7fdbb10931afdb634e">data</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/group__modelview.html#gg0ae864e12320f9f89172735e075ed0685ed17aded8a0e3b712698cf85a218f1f">DisplayRole</a>)).toUTF8()
<a name="l00053"></a>00053 + <span class="stringliteral">"' ?"</span>,
<a name="l00054"></a>00054 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/namespaceWt.html#270a5e1af09979a6559f0f39e3d930625bf8c24f48fc404ccfea9ae2248a989c">Yes</a> | <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/namespaceWt.html#270a5e1af09979a6559f0f39e3d930624ca128eca84d1965d7ac1bb8a6936e58">No</a>);
<a name="l00055"></a>00055 <span class="preprocessor">#else</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span> <span class="keywordtype">int</span> result = <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/namespaceWt.html#270a5e1af09979a6559f0f39e3d930625bf8c24f48fc404ccfea9ae2248a989c">Yes</a>;
<a name="l00057"></a>00057 <span class="preprocessor">#endif</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span>
<a name="l00059"></a>00059 <span class="keywordflow">if</span> (result == Yes) {
<a name="l00060"></a>00060 <span class="comment">/*</span>
<a name="l00061"></a>00061 <span class="comment"> * You can access the source model from the selection and</span>
<a name="l00062"></a>00062 <span class="comment"> * manipulate it.</span>
<a name="l00063"></a>00063 <span class="comment"> */</span>
<a name="l00064"></a>00064 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WAbstractItemModel.html">WAbstractItemModel</a> *sourceModel = selection-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WItemSelectionModel.html#42fb83302389cc2942cc09a198c0ee00">model</a>();
<a name="l00065"></a>00065
<a name="l00066"></a>00066 WModelIndexSet toChange = selection-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WItemSelectionModel.html#4c366757fa7e6b5b6519d34e3c2ac084">selectedIndexes</a>();
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keywordflow">for</span> (WModelIndexSet::const_reverse_iterator i = toChange.rbegin();
<a name="l00069"></a>00069 i != toChange.rend(); ++i) {
<a name="l00070"></a>00070 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WModelIndex.html">WModelIndex</a> index = *i;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="comment">/*</span>
<a name="l00073"></a>00073 <span class="comment"> * Copy target folder to file. Since we are using a</span>
<a name="l00074"></a>00074 <span class="comment"> * dynamic WSortFilterProxyModel that filters on folder, this</span>
<a name="l00075"></a>00075 <span class="comment"> * will also result in the removal of the file from the</span>
<a name="l00076"></a>00076 <span class="comment"> * current view.</span>
<a name="l00077"></a>00077 <span class="comment"> */</span>
<a name="l00078"></a>00078 std::map<int, boost::any> data = <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WAbstractItemView.html#bd583faed8e2fc3936d1b5545c4bbf84">model</a>()-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WAbstractItemModel.html#74055362d502d80375c6599f6f8ea1cf">itemData</a>(target);
<a name="l00079"></a>00079 data[<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/group__modelview.html#gg0ae864e12320f9f89172735e075ed068ab6678fc176854f7990d6cff4eed779e">DecorationRole</a>] = index.<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WModelIndex.html#7f05920329ca4b7fdbb10931afdb634e">data</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/group__modelview.html#gg0ae864e12320f9f89172735e075ed068ab6678fc176854f7990d6cff4eed779e">DecorationRole</a>);
<a name="l00080"></a>00080 sourceModel-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WAbstractItemModel.html#c60d1042bf1bcea9c262d3de30c520fd">setItemData</a>(index, data);
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 }
</pre></div>
<p>
</div>
</div><p>
<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="f50f30fffaedf2e6e4b1e0d65acc9df0"></a><!-- doxytag: member="FolderView::FileSelectionMimeType" ref="f50f30fffaedf2e6e4b1e0d65acc9df0" args="" -->
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<td class="memname">const char * <a class="el" href="classFolderView.html#f50f30fffaedf2e6e4b1e0d65acc9df0">FolderView::FileSelectionMimeType</a> = "application/x-computers-selection"<code> [static]</code> </td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Constant that indicates the mime type for a selection of files.
<p>
Every kind of dragged data should be identified using a unique mime type.
<p>Definition at line <a class="el" href="FolderView_8h-source.html#l00026">26</a> of file <a class="el" href="FolderView_8h-source.html">FolderView.h</a>.</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/treeview-dragdrop/<a class="el" href="FolderView_8h-source.html">FolderView.h</a><li>/home/koen/project/wt/public-git/wt/examples/treeview-dragdrop/<a class="el" href="FolderView_8C-source.html">FolderView.C</a></ul>
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