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<h1>/home/koen/project/wt/public-git/wt/examples/composer/OptionList.C</h1><a href="OptionList_8C.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// This may look like C code, but it's really -*- C++ -*-</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 2008 Emweb bvba, Kessel-Lo, Belgium.</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * See the LICENSE file for terms of use.</span>
<a name="l00006"></a>00006 <span class="comment"> */</span>
<a name="l00007"></a>00007 
<a name="l00008"></a>00008 <span class="preprocessor">#include "<a class="code" href="OptionList_8h.html">OptionList.h</a>"</span>
<a name="l00009"></a>00009 <span class="preprocessor">#include "<a class="code" href="Option_8h.html">Option.h</a>"</span>
<a name="l00010"></a>00010 
<a name="l00011"></a><a class="code" href="classOptionList.html#36f29d1c413236e28880b0307d438070">00011</a> <a class="code" href="classOptionList.html#36f29d1c413236e28880b0307d438070" title="Create an OptionList.">OptionList::OptionList</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html">WContainerWidget</a> *<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWidget.html#3461e31818c4d2f516641bdaf508312a">parent</a>)
<a name="l00012"></a>00012   : <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html">WContainerWidget</a>(parent),
<a name="l00013"></a>00013     <a class="code" href="classOptionList.html#51f0ec3f162144435b233c25a689b8f7" title="The option that needs its stateless code updated.">optionNeedReset_</a>(0)
<a name="l00014"></a>00014 {
<a name="l00015"></a>00015   <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWebWidget.html#e1b84e31581405358b6d57ec14505234">resize</a>(WLength::Auto, <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WLength.html">WLength</a>(2.5, WLength::FontEx));
<a name="l00016"></a>00016 }
<a name="l00017"></a>00017 
<a name="l00018"></a><a class="code" href="classOptionList.html#358bf988ce23142cabf3e19dcbc2a158">00018</a> <span class="keywordtype">void</span> <a class="code" href="classOptionList.html#358bf988ce23142cabf3e19dcbc2a158" title="Add an Option to the list.">OptionList::add</a>(<a class="code" href="classOption.html" title="A clickable option.">Option</a> *option)
<a name="l00019"></a>00019 {
<a name="l00020"></a>00020   <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html#2cfe66d9b62940f889e99538a9f478d2">addWidget</a>(option);
<a name="l00021"></a>00021   option-&gt;<a class="code" href="classOption.html#2bdf69d2dbaddda6c91cf4b1e720b77c">setOptionList</a>(<span class="keyword">this</span>);
<a name="l00022"></a>00022 
<a name="l00023"></a>00023   <span class="keywordflow">if</span> (!<a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>.empty()) {
<a name="l00024"></a>00024     <a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>.back()-&gt;addSeparator();
<a name="l00025"></a>00025   }
<a name="l00026"></a>00026 
<a name="l00027"></a>00027   <a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>.push_back(option);
<a name="l00028"></a>00028 }
<a name="l00029"></a>00029 
<a name="l00030"></a><a class="code" href="classOptionList.html#5b0013e09c5f269f33aa5c9bfb17e32b">00030</a> <span class="keywordtype">void</span> <a class="code" href="classOptionList.html#5b0013e09c5f269f33aa5c9bfb17e32b" title="Update the stateless implementations after an Option has been hidden or shown.">OptionList::update</a>()
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032   <span class="keywordflow">if</span> (<a class="code" href="classOptionList.html#51f0ec3f162144435b233c25a689b8f7" title="The option that needs its stateless code updated.">optionNeedReset_</a> != 0)
<a name="l00033"></a>00033     <a class="code" href="classOptionList.html#51f0ec3f162144435b233c25a689b8f7" title="The option that needs its stateless code updated.">optionNeedReset_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WObject.html#92d8b00edc79b7a60d41d7c088f50436">resetLearnedSlots</a>();
<a name="l00034"></a>00034 
<a name="l00035"></a>00035   <a class="code" href="classOptionList.html#51f0ec3f162144435b233c25a689b8f7" title="The option that needs its stateless code updated.">optionNeedReset_</a> = 0;
<a name="l00036"></a>00036 }
<a name="l00037"></a>00037 
<a name="l00038"></a><a class="code" href="classOptionList.html#3d7599510d4a5a1da8a197990d50e597">00038</a> <span class="keywordtype">void</span> <a class="code" href="classOptionList.html#3d7599510d4a5a1da8a197990d50e597" title="An option changed visibility: possibly update the separators inbetween.">OptionList::optionVisibilityChanged</a>(<a class="code" href="classOption.html" title="A clickable option.">Option</a> *opt, <span class="keywordtype">bool</span> hidden)
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040   <span class="comment">/*</span>
<a name="l00041"></a>00041 <span class="comment">   * Check if it was the last visible option, in that case the second last</span>
<a name="l00042"></a>00042 <span class="comment">   * visible option loses its separator.</span>
<a name="l00043"></a>00043 <span class="comment">   */</span>
<a name="l00044"></a>00044   <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = <a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>.size() - 1; i &gt; 0; --i) {
<a name="l00045"></a>00045     <span class="keywordflow">if</span> (<a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>[i] == opt) {
<a name="l00046"></a>00046       <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = i - 1; j &gt;= 0; --j) {
<a name="l00047"></a>00047         <span class="keywordflow">if</span> (!<a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>[j]-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWebWidget.html#594cbc1789cb8e2123bc5d968aa320ea">isHidden</a>()) {
<a name="l00048"></a>00048           <span class="keywordflow">if</span> (hidden)
<a name="l00049"></a>00049             <a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>[j]-&gt;hideSeparator();
<a name="l00050"></a>00050           <span class="keywordflow">else</span>
<a name="l00051"></a>00051             <a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>[j]-&gt;showSeparator();
<a name="l00052"></a>00052           <span class="keywordflow">break</span>;
<a name="l00053"></a>00053         }
<a name="l00054"></a>00054       }
<a name="l00055"></a>00055       <span class="keywordflow">break</span>;
<a name="l00056"></a>00056     } <span class="keywordflow">else</span>
<a name="l00057"></a>00057       <span class="keywordflow">if</span> (!<a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>[i]-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWebWidget.html#594cbc1789cb8e2123bc5d968aa320ea">isHidden</a>())
<a name="l00058"></a>00058         <span class="keywordflow">break</span>;
<a name="l00059"></a>00059   }
<a name="l00060"></a>00060 
<a name="l00061"></a>00061   <span class="comment">/*</span>
<a name="l00062"></a>00062 <span class="comment">   * The Option to the right needs to relearn its stateless</span>
<a name="l00063"></a>00063 <span class="comment">   * slot code for hide() and show().</span>
<a name="l00064"></a>00064 <span class="comment">   */</span>
<a name="l00065"></a>00065   <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; <a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>.size(); ++i) {
<a name="l00066"></a>00066     <span class="keywordflow">if</span> (<a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>[i] == opt) {
<a name="l00067"></a>00067       <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> j = i + 1; j &lt; <a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>.size(); ++j) {
<a name="l00068"></a>00068         <span class="keywordflow">if</span> (!<a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>[j]-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWebWidget.html#594cbc1789cb8e2123bc5d968aa320ea">isHidden</a>()) {
<a name="l00069"></a>00069           <a class="code" href="classOptionList.html#51f0ec3f162144435b233c25a689b8f7" title="The option that needs its stateless code updated.">optionNeedReset_</a> = <a class="code" href="classOptionList.html#8c4df58ec022c0c79fb897448efa8a1f" title="The list of options.">options_</a>[j];
<a name="l00070"></a>00070           <span class="keywordflow">break</span>;
<a name="l00071"></a>00071         }
<a name="l00072"></a>00072       }
<a name="l00073"></a>00073 
<a name="l00074"></a>00074       <span class="keywordflow">break</span>;
<a name="l00075"></a>00075     }
<a name="l00076"></a>00076   }
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078 
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