Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_contacts_model_app_ui_8cpp_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<h1>examples/ForumNokia/ContactsModel/src/ContactsModelAppUi.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright © 2008 Nokia Corporation.</span>
<a name="l00003"></a>00003 <span class="comment"> */</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="comment">// INCLUDE FILES</span>
<a name="l00006"></a>00006 <span class="preprocessor">#include "ContactsModelAppUi.h"</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include "ContactsModelContainer.h"</span>
<a name="l00008"></a>00008 <span class="preprocessor">#include "ContactsModelDocument.h"</span>
<a name="l00009"></a>00009 <span class="preprocessor">#include <ContactsModel.rsg></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include "ContactsModel.hrh"</span>
<a name="l00011"></a>00011
<a name="l00012"></a>00012 <span class="preprocessor">#include <AknCommonDialogs.h></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include <CAknFileSelectionDialog.h></span>
<a name="l00014"></a>00014 <span class="preprocessor">#include <CAknFileNamePromptDialog.h></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <aknnotewrappers.h></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <eikmenup.h></span>
<a name="l00017"></a>00017 <span class="preprocessor">#include <f32file.h></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include <s32file.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <avkon.hrh></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <maknfileselectionobserver.h></span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KDefaultFileName, <span class="stringliteral">"vcard"</span>);
<a name="l00023"></a>00023 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFailedToOpen, <span class="stringliteral">"Failed to open file for import"</span>);
<a name="l00024"></a>00024 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFailedToImport, <span class="stringliteral">"Failed to import"</span>);
<a name="l00025"></a>00025 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFailedToCreateFile, <span class="stringliteral">"Failed to create file for export"</span>);
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="keyword">const</span> TInt KBufferSize = 256;
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="comment">// ================= MEMBER FUNCTIONS =======================</span>
<a name="l00030"></a>00030 <span class="comment">//</span>
<a name="l00031"></a>00031 <span class="comment">// ----------------------------------------------------------</span>
<a name="l00032"></a>00032 <span class="comment">// CContactsModelAppUi::ConstructL()</span>
<a name="l00033"></a>00033 <span class="comment">// ----------------------------------------------------------</span>
<a name="l00034"></a>00034 <span class="comment">//</span>
<a name="l00035"></a><a class="code" href="class_c_contacts_model_app_ui.html#a4bf02a459be067e9226818909716a807">00035</a> <span class="keywordtype">void</span> <a class="code" href="class_c_contacts_model_app_ui.html#a4bf02a459be067e9226818909716a807">CContactsModelAppUi::ConstructL</a>()
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 BaseConstructL(EAknEnableSkin);
<a name="l00038"></a>00038
<a name="l00039"></a>00039 iAppContainer = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_contacts_model_container.html">CContactsModelContainer</a>;
<a name="l00040"></a>00040 iAppContainer->SetMopParent( <span class="keyword">this</span> );
<a name="l00041"></a>00041 iAppContainer-><a class="code" href="class_c_contacts_model_container.html#ac468c2165d1177d612ced36d7c0fe262">ConstructL</a>( ClientRect(), (<a class="code" href="class_c_contacts_model_document.html">CContactsModelDocument</a>*)(iDocument) );
<a name="l00042"></a>00042 AddToStackL( iAppContainer );
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="comment">// ----------------------------------------------------</span>
<a name="l00046"></a>00046 <span class="comment">// CContactsModelAppUi::~CContactsModelAppUi()</span>
<a name="l00047"></a>00047 <span class="comment">// Destructor</span>
<a name="l00048"></a>00048 <span class="comment">// Frees reserved resources</span>
<a name="l00049"></a>00049 <span class="comment">// ----------------------------------------------------</span>
<a name="l00050"></a>00050 <span class="comment">//</span>
<a name="l00051"></a><a class="code" href="class_c_contacts_model_app_ui.html#ab2a31bc10219e2748972c56de1dfab98">00051</a> <a class="code" href="class_c_contacts_model_app_ui.html#ab2a31bc10219e2748972c56de1dfab98">CContactsModelAppUi::~CContactsModelAppUi</a>()
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <span class="keywordflow">if</span> (iAppContainer)
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 RemoveFromStack( iAppContainer );
<a name="l00056"></a>00056 <span class="keyword">delete</span> iAppContainer;
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">// ------------------------------------------------------------------------------</span>
<a name="l00061"></a>00061 <span class="comment">// CContactsModelAppUi::DynInitMenuPaneL(TInt aResourceId,CEikMenuPane* aMenuPane)</span>
<a name="l00062"></a>00062 <span class="comment">// This function is called by the EIKON framework just before it displays</span>
<a name="l00063"></a>00063 <span class="comment">// a menu pane. Its default implementation is empty, and by overriding it,</span>
<a name="l00064"></a>00064 <span class="comment">// the application can set the state of menu items dynamically according</span>
<a name="l00065"></a>00065 <span class="comment">// to the state of application data.</span>
<a name="l00066"></a>00066 <span class="comment">// ------------------------------------------------------------------------------</span>
<a name="l00067"></a>00067 <span class="comment">//</span>
<a name="l00068"></a>00068 <span class="keywordtype">void</span> CContactsModelAppUi::DynInitMenuPaneL(
<a name="l00069"></a>00069 TInt aResourceId,CEikMenuPane* aMenuPane)
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 <span class="keywordflow">if</span> (aResourceId == R_CONTACTSMODEL_MENU)
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <span class="keywordflow">if</span>(iAppContainer-><a class="code" href="class_c_contacts_model_container.html#a673952e47d42be81a85df0832375895c">ItemCount</a>() < 1)
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 aMenuPane->SetItemDimmed(EContactsModelCmdAppExport, ETrue);
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="comment">// ----------------------------------------------------</span>
<a name="l00081"></a>00081 <span class="comment">// CContactsModelAppUi::HandleKeyEventL(</span>
<a name="l00082"></a>00082 <span class="comment">// const TKeyEvent& aKeyEvent,TEventCode /*aType*/)</span>
<a name="l00083"></a>00083 <span class="comment">// takes care of key event handling</span>
<a name="l00084"></a>00084 <span class="comment">// ----------------------------------------------------</span>
<a name="l00085"></a>00085 <span class="comment">//</span>
<a name="l00086"></a>00086 TKeyResponse CContactsModelAppUi::HandleKeyEventL(
<a name="l00087"></a>00087 <span class="keyword">const</span> TKeyEvent& <span class="comment">/*aKeyEvent*/</span>,TEventCode <span class="comment">/*aType*/</span>)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <span class="keywordflow">return</span> EKeyWasNotConsumed;
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="comment">// ----------------------------------------------------</span>
<a name="l00093"></a>00093 <span class="comment">// CContactsModelAppUi::HandleCommandL(TInt aCommand)</span>
<a name="l00094"></a>00094 <span class="comment">// takes care of command handling</span>
<a name="l00095"></a>00095 <span class="comment">// ----------------------------------------------------</span>
<a name="l00096"></a>00096 <span class="comment">//</span>
<a name="l00097"></a>00097 <span class="keywordtype">void</span> CContactsModelAppUi::HandleCommandL(TInt aCommand)
<a name="l00098"></a>00098 {
<a name="l00099"></a>00099 <span class="keywordflow">switch</span> ( aCommand )
<a name="l00100"></a>00100 {
<a name="l00101"></a>00101 <span class="keywordflow">case</span> EAknSoftkeyExit:
<a name="l00102"></a>00102 <span class="keywordflow">case</span> EEikCmdExit:
<a name="l00103"></a>00103 {
<a name="l00104"></a>00104 Exit();
<a name="l00105"></a>00105 <span class="keywordflow">break</span>;
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 <span class="keywordflow">case</span> EContactsModelCmdAppImport:
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109
<a name="l00110"></a>00110 TBuf<KBufferSize> fileName;
<a name="l00111"></a>00111 <span class="comment">//select file to import from</span>
<a name="l00112"></a>00112 <span class="keywordflow">if</span>(AknCommonDialogs::RunSelectDlgLD(fileName, R_FILE_SELECTION_DIALOG))
<a name="l00113"></a>00113 {
<a name="l00114"></a>00114 <span class="comment">//import to the default contact database</span>
<a name="l00115"></a>00115 ImportL(fileName);
<a name="l00116"></a>00116 <span class="comment">//update listbox to display imported contacts</span>
<a name="l00117"></a>00117 HandleModelChangeL();
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keywordflow">break</span>;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 <span class="keywordflow">case</span> EContactsModelCmdAppExport:
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 <span class="comment">//get file to export to</span>
<a name="l00125"></a>00125 TFileName defaultFileName(KDefaultFileName);
<a name="l00126"></a>00126 <span class="keywordflow">if</span>(AknCommonDialogs::RunSaveDlgLD(defaultFileName, R_MEMORY_SELECTION_DIALOG))
<a name="l00127"></a>00127 {
<a name="l00128"></a>00128 <span class="comment">//and export selected item</span>
<a name="l00129"></a>00129 ExportL(defaultFileName, iAppContainer-><a class="code" href="class_c_contacts_model_container.html#a07afcb84d5b8d19acd6067c641d65cd0">GetSelectedItem</a>());
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="keywordflow">break</span>;
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordflow">default</span>:
<a name="l00136"></a>00136 <span class="keywordflow">break</span>;
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 }
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="comment">// ----------------------------------------------------</span>
<a name="l00141"></a>00141 <span class="comment">// CContactsModelAppUi::ImportL(TDesC& aFileName)</span>
<a name="l00142"></a>00142 <span class="comment">// Import new contact information (VCard)</span>
<a name="l00143"></a>00143 <span class="comment">// ----------------------------------------------------</span>
<a name="l00144"></a>00144 <span class="comment">//</span>
<a name="l00145"></a>00145 <span class="keywordtype">void</span> CContactsModelAppUi::ImportL(<span class="keyword">const</span> TDesC& aFileName)
<a name="l00146"></a>00146 {
<a name="l00147"></a>00147 <span class="comment">// Create a file to read contacts</span>
<a name="l00148"></a>00148 RFs fileSession;
<a name="l00149"></a>00149 User::LeaveIfError(fileSession.Connect());
<a name="l00150"></a>00150 CleanupClosePushL(fileSession);
<a name="l00151"></a>00151
<a name="l00152"></a>00152 RFile file;
<a name="l00153"></a>00153 <span class="keywordflow">if</span> (file.Open(fileSession, aFileName, EFileRead) != KErrNone)
<a name="l00154"></a>00154 {
<a name="l00155"></a>00155 CAknInformationNote* informationNote = <span class="keyword">new</span> (ELeave)CAknInformationNote;
<a name="l00156"></a>00156 informationNote->ExecuteLD(KFailedToOpen);
<a name="l00157"></a>00157 CleanupStack::PopAndDestroy(); <span class="comment">// Close fileSession</span>
<a name="l00158"></a>00158 <span class="keywordflow">return</span>;
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160 CleanupClosePushL(file);
<a name="l00161"></a>00161
<a name="l00162"></a>00162 <span class="comment">//open file</span>
<a name="l00163"></a>00163 RFileReadStream inputFileStream(file);
<a name="l00164"></a>00164 CleanupClosePushL(inputFileStream);
<a name="l00165"></a>00165
<a name="l00166"></a>00166 TInt result = ((<a class="code" href="class_c_contacts_model_document.html">CContactsModelDocument</a>*)iDocument)->ImportL(inputFileStream);
<a name="l00167"></a>00167 <span class="keywordflow">if</span>(result!=KErrNone)
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 CAknInformationNote* informationNote = <span class="keyword">new</span> (ELeave)CAknInformationNote;
<a name="l00170"></a>00170 informationNote->ExecuteLD(KFailedToImport);
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="comment">// Clean up</span>
<a name="l00174"></a>00174 CleanupStack::PopAndDestroy(); <span class="comment">// Close inputFileStream</span>
<a name="l00175"></a>00175
<a name="l00176"></a>00176 CleanupStack::PopAndDestroy(); <span class="comment">// Close file</span>
<a name="l00177"></a>00177 CleanupStack::PopAndDestroy(); <span class="comment">// Close fileSession</span>
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="comment">// read from the default database to display new items</span>
<a name="l00180"></a>00180 ((<a class="code" href="class_c_contacts_model_document.html">CContactsModelDocument</a>*)iDocument)->UpdateContactsL();
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182
<a name="l00183"></a>00183 <span class="comment">// ----------------------------------------------------</span>
<a name="l00184"></a>00184 <span class="comment">// CContactsModelAppUi::ExportL(TDesC& aFileName, TInt aItemIndex)</span>
<a name="l00185"></a>00185 <span class="comment">// Export contact information</span>
<a name="l00186"></a>00186 <span class="comment">// ----------------------------------------------------</span>
<a name="l00187"></a>00187 <span class="comment">//</span>
<a name="l00188"></a>00188 <span class="keywordtype">void</span> CContactsModelAppUi::ExportL(<span class="keyword">const</span> TDesC& aFileName, TInt aItemIndex)
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 <span class="comment">// Create a file to write contacts</span>
<a name="l00191"></a>00191 RFs fileSession;
<a name="l00192"></a>00192 User::LeaveIfError(fileSession.Connect());
<a name="l00193"></a>00193 CleanupClosePushL(fileSession);
<a name="l00194"></a>00194
<a name="l00195"></a>00195 RFile file;
<a name="l00196"></a>00196 <span class="keywordflow">if</span> (file.Replace(fileSession, aFileName, EFileWrite) != KErrNone)
<a name="l00197"></a>00197 {
<a name="l00198"></a>00198 CAknInformationNote* informationNote = <span class="keyword">new</span> (ELeave)CAknInformationNote;
<a name="l00199"></a>00199 informationNote->ExecuteLD(KFailedToCreateFile);
<a name="l00200"></a>00200 CleanupStack::PopAndDestroy(); <span class="comment">// Close fileSession</span>
<a name="l00201"></a>00201 <span class="keywordflow">return</span>;
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203 CleanupClosePushL(file);
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="comment">//open file</span>
<a name="l00206"></a>00206 RFileWriteStream outputFileStream(file);
<a name="l00207"></a>00207 CleanupClosePushL(outputFileStream);
<a name="l00208"></a>00208
<a name="l00209"></a>00209 ((<a class="code" href="class_c_contacts_model_document.html">CContactsModelDocument</a>*)iDocument)->ExportL(outputFileStream, aItemIndex);
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <span class="comment">// Clean up</span>
<a name="l00212"></a>00212 CleanupStack::PopAndDestroy(); <span class="comment">// Close outputFileStream</span>
<a name="l00213"></a>00213
<a name="l00214"></a>00214 CleanupStack::PopAndDestroy(); <span class="comment">// Close file</span>
<a name="l00215"></a>00215 CleanupStack::PopAndDestroy(); <span class="comment">// Close fileSession</span>
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217
<a name="l00218"></a>00218 <span class="keywordtype">void</span> CContactsModelAppUi::HandleModelChangeL()
<a name="l00219"></a>00219 {
<a name="l00220"></a>00220 <span class="comment">//read from the document to the listbox model</span>
<a name="l00221"></a>00221 iAppContainer-><a class="code" href="class_c_contacts_model_container.html#ac0d028bfd2850ff55aa811fd4f899728">UpdateL</a>();
<a name="l00222"></a>00222 <span class="comment">//and redraw</span>
<a name="l00223"></a>00223 iAppContainer->DrawNow();
<a name="l00224"></a>00224 }
<a name="l00225"></a>00225
<a name="l00226"></a>00226 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00227"></a>00227 <span class="comment">// CDBMSAppUi::HandleResourceChangeL()</span>
<a name="l00228"></a>00228 <span class="comment">// Called by framework when resource is changed.</span>
<a name="l00229"></a>00229 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00230"></a>00230 <span class="comment">//</span>
<a name="l00231"></a>00231 <span class="keywordtype">void</span> CContactsModelAppUi::HandleResourceChangeL(TInt aType)
<a name="l00232"></a>00232 {
<a name="l00233"></a>00233 CAknAppUi::HandleResourceChangeL(aType); <span class="comment">//call to upper class</span>
<a name="l00234"></a>00234
<a name="l00235"></a>00235 <span class="comment">// ADDED FOR SCALABLE UI SUPPORT</span>
<a name="l00236"></a>00236 <span class="comment">// *****************************</span>
<a name="l00237"></a>00237 <span class="comment">//if ( aType == KEikDynamicLayoutVariantSwitch )</span>
<a name="l00238"></a>00238 <span class="comment">//hard coded constant so it can be compiled with first edition</span>
<a name="l00239"></a>00239 <span class="keywordflow">if</span> ( aType == 0x101F8121 )
<a name="l00240"></a>00240 {
<a name="l00241"></a>00241 <span class="keywordflow">if</span>(iAppContainer)
<a name="l00242"></a>00242 iAppContainer->SetRect( ClientRect() );
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244 }
<a name="l00245"></a>00245
<a name="l00246"></a>00246 <span class="comment">// End of File</span>
<a name="l00247"></a>00247
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