author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 08:45:44 +0200 | |
changeset 0 | 4e91876724a2 |
child 18 | bcb43dc84c44 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Rename command handler |
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* |
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*/ |
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#include "glxcommandhandlerrename.h" |
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#include <bautils.h> |
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#include <data_caging_path_literals.hrh> |
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#include <StringLoader.h> |
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#include <glxuiutilities.rsg> |
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#include <mglxmedialist.h> |
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#include <glxuistd.h> |
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#include <glxcommandhandlers.hrh> |
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#include <glxuiutility.h> |
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#include <glxtextentrypopup.h> |
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#include <glxattributeretriever.h> |
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#include <glxattributecontext.h> |
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#include <glxfetchcontextremover.h> |
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#include <glxresourceutilities.h> // for CGlxResourceUtilities |
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#include <glxgeneraluiutilities.h> |
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#include <glxicons.mbg> |
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#include <glxtracer.h> |
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#include <glxlog.h> |
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|
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#include "glxcommandfactory.h" |
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|
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namespace |
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{ |
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const TInt KNameMaxLength = 128; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Two-phased constructor. |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C CGlxCommandHandlerRename* CGlxCommandHandlerRename::NewL( |
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MGlxMediaListProvider* aMediaListProvider, TBool aHasToolbarItem ) |
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{ |
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CGlxCommandHandlerRename* self = new ( ELeave ) CGlxCommandHandlerRename |
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( aMediaListProvider, aHasToolbarItem ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// C++ default constructor can NOT contain any code, that |
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// might leave. |
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// --------------------------------------------------------------------------- |
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// |
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CGlxCommandHandlerRename::CGlxCommandHandlerRename( MGlxMediaListProvider* |
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aMediaListProvider, TBool aHasToolbarItem ) |
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: CGlxMpxCommandCommandHandler( aMediaListProvider, aHasToolbarItem ) |
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{ |
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// Do nothing |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Symbian 2nd phase constructor can leave. |
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// --------------------------------------------------------------------------- |
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// |
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void CGlxCommandHandlerRename::ConstructL() |
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{ |
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iRenameText = HBufC::NewL( KNameMaxLength ); |
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|
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// Load resource file |
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TParse parse; |
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parse.Set( KGlxUiUtilitiesResource, &KDC_APP_RESOURCE_DIR, NULL ); |
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TFileName resourceFile; |
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resourceFile.Append( parse.FullName() ); |
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CGlxResourceUtilities::GetResourceFilenameL( resourceFile ); |
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iResourceOffset = CCoeEnv::Static()->AddResourceFileL( resourceFile ); |
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|
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// Add supported command |
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TCommandInfo info( EGlxCmdRename ); |
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// This setup disables the command if a static item is focused, |
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// if the view is empty or if more than one item is selected. |
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info.iMinSelectionLength = 1; |
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info.iMaxSelectionLength = 1; |
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// Filter out system items |
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info.iDisallowSystemItems = ETrue; |
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// Allow animated GIFs to be renamed |
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info.iStopAnimationForExecution = ETrue; |
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|
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AddCommandL( info ); |
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104 |
|
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iErrorCallback = new (ELeave) CAsyncCallBack( TCallBack( HandleErrorL, this ), |
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CActive::EPriorityStandard ); |
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107 |
} |
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108 |
|
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109 |
// --------------------------------------------------------------------------- |
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// Destructor |
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// --------------------------------------------------------------------------- |
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112 |
// |
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EXPORT_C CGlxCommandHandlerRename::~CGlxCommandHandlerRename() |
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114 |
{ |
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delete iRenameText; |
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116 |
|
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iErrorCallback->Cancel(); |
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delete iErrorCallback; |
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119 |
|
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if ( iResourceOffset ) |
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121 |
{ |
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CCoeEnv::Static()->DeleteResourceFile( iResourceOffset ); |
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123 |
} |
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124 |
} |
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125 |
|
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126 |
// --------------------------------------------------------------------------- |
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// Create a rename command |
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// --------------------------------------------------------------------------- |
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129 |
// |
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CMPXCommand* CGlxCommandHandlerRename::CreateCommandL(TInt /*aCommandId*/, |
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MGlxMediaList& aMediaList, TBool& /*aConsume*/) const |
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132 |
{ |
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TRACER( "CGlxCommandHandlerRename::CreateCommandL" ); |
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134 |
|
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// Return value |
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CMPXCommand* command = NULL; |
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137 |
|
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// Prompt the user for the new name |
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139 |
// |
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140 |
// Show popup with the item's current title |
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141 |
TPtr textPtr = iRenameText->Des(); |
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142 |
GetTitleL( textPtr, aMediaList ); |
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143 |
// store the current name. |
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TBuf<KNameMaxLength> currentName; |
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currentName.Copy(textPtr); |
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146 |
|
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// Load the title for the popup |
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HBufC* title = StringLoader::LoadLC( R_GLX_POPUP_RENAME_TITLE ); |
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149 |
CGlxTextEntryPopup* popup = CGlxTextEntryPopup::NewL( *title, |
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150 |
textPtr ); |
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151 |
|
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152 |
|
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153 |
|
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if ( popup->ExecuteLD() == EEikBidOk && currentName != *iRenameText) |
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155 |
{ |
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156 |
// Text entry was successful |
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157 |
// There can be no selection when renaming, so assume that path contains focused item |
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158 |
CMPXCollectionPath* path = aMediaList.PathLC( NGlxListDefs::EPathFocusOrSelection ); |
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159 |
// Create the rename command with the relevant text |
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160 |
command = TGlxCommandFactory::RenameCommandLC( *iRenameText, *path ); |
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161 |
CleanupStack::Pop( command ); |
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162 |
CleanupStack::PopAndDestroy( path) ; |
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163 |
} |
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164 |
|
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165 |
CleanupStack::PopAndDestroy( title ); |
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166 |
|
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167 |
return command; |
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168 |
} |
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169 |
|
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170 |
// ----------------------------------------------------------------------------- |
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171 |
// Handle an error |
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172 |
// ----------------------------------------------------------------------------- |
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173 |
// |
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174 |
void CGlxCommandHandlerRename::HandleErrorL(TInt aErrorCode) |
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175 |
{ |
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176 |
TRACER( "CGlxCommandHandlerRename::HandleErrorL" ); |
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177 |
|
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// Callback is required because the code to handle the error is blocking |
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// There is only ever one command issued, store the error to handle later |
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iError = aErrorCode; |
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181 |
|
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182 |
__ASSERT_DEBUG( !iErrorCallback->IsActive(), Panic( EGlxPanicLogicError ) ); |
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183 |
iErrorCallback->CallBack(); |
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184 |
} |
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185 |
|
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186 |
// ----------------------------------------------------------------------------- |
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187 |
// Callback to handle an error |
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188 |
// ----------------------------------------------------------------------------- |
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189 |
// |
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190 |
TBool CGlxCommandHandlerRename::HandleErrorL(TAny* aPtr) |
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191 |
{ |
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192 |
TRACER( "CGlxCommandHandlerRename::HandleErrorL" ); |
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193 |
|
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194 |
static_cast<CGlxCommandHandlerRename*>( aPtr )->HandleErrorL(); |
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195 |
return 0; |
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196 |
} |
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197 |
|
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198 |
// ----------------------------------------------------------------------------- |
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199 |
// Handle an error - e.g. if user inputs a name that already exists. |
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200 |
// ----------------------------------------------------------------------------- |
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201 |
// |
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202 |
void CGlxCommandHandlerRename::HandleErrorL() |
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203 |
{ |
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204 |
TRACER( "CGlxCommandHandlerRename::HandleErrorL" ); |
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205 |
|
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206 |
// If name already exists, Show rename query and allow the user to try again |
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207 |
// See EMYP-7A2E6J |
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if ( iError == KErrAlreadyExists ) |
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{ |
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HBufC* text = StringLoader::LoadLC( R_GLX_RENAME_QUERY, *iRenameText ); |
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|
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TBool confirmed = GlxGeneralUiUtilities::ConfirmQueryL( R_GLX_QUERY_OK_CANCEL, *text ); |
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if ( confirmed ) |
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{ |
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// Let user have another try at entering the new name |
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ExecuteL( EGlxCmdRename ); |
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} |
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|
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CleanupStack::PopAndDestroy( text ); |
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} |
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else |
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222 |
{ |
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// Call the base class' implementation |
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CGlxMpxCommandCommandHandler::HandleErrorL( iError ); |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Retrieve the current item's title string |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxCommandHandlerRename::GetTitleL( TDes& aTitle, |
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MGlxMediaList& aList ) const |
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{ |
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TRACER( "CGlxCommandHandlerRename::GetTitleL" ); |
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|
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// Set the title to a blank name by default |
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aTitle = KNullDesC; |
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239 |
|
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// Create an iterator to retrieve the relevant attribute |
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TGlxSelectionIterator iterator; |
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// only want the title of one item |
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iterator.SetRange( 1 ); |
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CGlxAttributeContext* context = new( ELeave ) |
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CGlxAttributeContext( &iterator ); |
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CleanupStack::PushL( context ); |
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|
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// Want to read the title attribute |
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// Configure the context |
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context->AddAttributeL( KMPXMediaGeneralTitle ); |
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251 |
|
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// Add the context to the media list |
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aList.AddContextL( context, KGlxFetchContextPriorityBlocking ); |
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254 |
|
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// TGlxContextRemover will remove the context when it goes out of scope |
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// Used here to avoid a trap and still have safe cleanup |
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TGlxFetchContextRemover contextRemover( context, aList ); |
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// put to cleanupstack as cleanupstack is emptied before stack objects |
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// are deleted |
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CleanupClosePushL( contextRemover ); |
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// Yuck - a leave and a return code! |
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// EFalse => don't show a progress dialog |
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TInt err = GlxAttributeRetriever::RetrieveL( *context, aList, EFalse ); |
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// Using a distinct error value as "LeaveIfError( FuncL() );" looks bad |
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User::LeaveIfError( err ); |
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// context off the list |
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CleanupStack::PopAndDestroy( &contextRemover ); |
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268 |
|
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// Now get the title of the relevant item: if *an* item is selected use its |
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// title, otherwise use the item with focus |
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// Get the index of the item to rename |
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TInt index = KErrNotFound; |
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// first see if there's a selected item... |
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if ( aList.SelectionCount() == 1 ) |
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275 |
{ |
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// Find the index of the selected item |
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index = aList.Count(); |
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do |
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279 |
{ |
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--index; |
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} |
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while ( !aList.IsSelected( index ) && index > 0 ); |
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283 |
} |
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else |
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285 |
{ |
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// Use the index of the item with focus |
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index = aList.FocusIndex(); |
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} |
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289 |
|
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if ( index != KErrNotFound ) |
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291 |
{ |
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// use iterator to get the right item |
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iterator.SetToFirst( &aList ); |
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const CGlxMedia* media = aList.Item( iterator++ ).Properties(); |
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if( media ) |
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296 |
{ |
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// found the item's media properties, extract the title |
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aTitle = media->ValueText( KMPXMediaGeneralTitle ) ; |
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} |
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} |
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CleanupStack::PopAndDestroy( context ); |
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} |
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303 |
|
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//----------------------------------------------------------------------------- |
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// PopulateToolbar |
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//----------------------------------------------------------------------------- |
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307 |
// |
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void CGlxCommandHandlerRename::PopulateToolbarL() |
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309 |
{ |
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TRACER( "CGlxCommandHandlerRename::PopulateToolbar" ); |
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311 |
} |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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