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1 /* |
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2 * Copyright (c) 2002-2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: ?Description |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDES |
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20 #include "CAknCommonDialogsQueryDialog.h" |
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21 |
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22 #include <apparc.h> |
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23 #include <aknnotewrappers.h> |
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24 #include <bautils.h> |
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25 #include <StringLoader.h> |
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26 #include <commondialogs.rsg> |
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27 #include <aknQueryControl.h> |
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28 |
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29 #include <AknTasHook.h> // for testability hooks |
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30 #include "MAknFileSelectionObserver.h" |
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31 |
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32 // ============================ MEMBER FUNCTIONS =============================== |
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33 |
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34 // ----------------------------------------------------------------------------- |
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35 // CAknCommonDialogsQueryDialog |
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36 // |
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37 // |
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38 // ----------------------------------------------------------------------------- |
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39 // |
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40 CAknCommonDialogsQueryDialog::CAknCommonDialogsQueryDialog( |
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41 MAknFileSelectionObserver* aObserver, |
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42 const TDesC& aPath, |
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43 TDes& aDataText, |
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44 const TDesC& aExtension, |
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45 CCoeEnv* aCoeEnv ) |
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46 : CAknTextQueryDialog( aDataText ), |
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47 iPath( aPath ), |
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48 iExtension( aExtension ), |
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49 iObserver( aObserver ), |
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50 iCoeEnv( aCoeEnv ) |
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51 { |
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52 AKNTASHOOK_ADD( this, "CAknCommonDialogsQueryDialog" ); |
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53 } |
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54 |
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55 // Destructor |
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56 CAknCommonDialogsQueryDialog::~CAknCommonDialogsQueryDialog() |
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57 { |
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58 AKNTASHOOK_REMOVE(); |
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59 } |
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60 |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CAknCommonDialogsQueryDialog::OkToExitL |
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64 // |
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65 // |
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66 // ----------------------------------------------------------------------------- |
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67 // |
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68 TBool CAknCommonDialogsQueryDialog::OkToExitL( TInt aButtonId ) |
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69 { |
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70 // Call OkToExitL of the base class |
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71 TBool returnValue( CAknTextQueryDialog::OkToExitL( aButtonId ) ); |
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72 |
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73 if( returnValue ) |
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74 { |
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75 // User wants to go with the typed filename |
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76 |
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77 TBool userCancelled( EFalse ); |
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78 if( !FileNameAllowedL( iPath, iDataText, iExtension, userCancelled ) ) |
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79 { |
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80 // If user cancelled the "rename" query, this dialog must exit, |
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81 // so return ETrue, but clear the given name first: |
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82 if( userCancelled ) |
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83 { |
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84 iDataText.Zero(); |
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85 return ETrue; |
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86 } |
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87 // Otherwise if the name is not allowed, it is not Ok to exit. |
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88 // CAknQueryControl::SetTextL() is used here to get the |
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89 // user-written text selected: |
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90 CAknQueryControl* queryCtrl = QueryControl(); |
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91 queryCtrl->SetTextL( iDataText ); |
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92 return EFalse; |
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93 } |
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94 |
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95 // Filename is valid, ask observer's opinion too. |
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96 |
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97 if( iObserver ) |
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98 { |
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99 TEntry entry; |
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100 entry.iName = iDataText; |
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101 if( !iObserver->OkToExitL( iPath, entry ) ) |
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102 { |
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103 // Observer doesn't think the file is Ok, don't exit. But first, |
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104 // make the user-written text selected: |
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105 CAknQueryControl* queryCtrl = QueryControl(); |
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106 queryCtrl->SetTextL( iDataText ); |
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107 return EFalse; |
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108 } |
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109 } |
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110 } |
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111 return returnValue; |
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112 } |
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113 |
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114 // ----------------------------------------------------------------------------- |
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115 // CAknCommonDialogsQueryDialog::FileNameAllowedL |
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116 // |
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117 // |
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118 // ----------------------------------------------------------------------------- |
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119 // |
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120 TBool CAknCommonDialogsQueryDialog::FileNameAllowedL( |
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121 const TDesC& aPath, const TDesC& aFileName, const TDesC& aExtension, |
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122 TBool& aUserCancelled ) |
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123 { |
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124 // Create a TFileName descriptor and set full path and filename to it |
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125 TFileName fileName( aPath ); |
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126 fileName += aFileName; |
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127 fileName += aExtension; |
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128 // Create a TParsePtrC with the full path and filename, parsed filename points |
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129 // its data to the created TFileName |
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130 TParsePtrC parsedFile( fileName ); |
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131 // Temporary descriptor pointer |
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132 TPtrC temp( parsedFile.Name() ); |
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133 |
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134 RFs fs( iCoeEnv->FsSession() ); |
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135 TBool badFileName( EFalse ); |
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136 TBool illegalCharacters( EFalse ); |
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137 _LIT( KSingleDotCharacter, "." ); |
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138 _LIT( KDualDotCharacter, ".." ); |
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139 _LIT( KCarriageReturn, "\x2029" ); |
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140 |
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141 if( ( temp.Compare( KSingleDotCharacter ) == 0 ) || |
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142 ( temp.Compare( KDualDotCharacter ) == 0 ) || |
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143 ( aFileName.Find( KCarriageReturn ) != KErrNotFound ) || |
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144 ( ( aFileName.Compare( KSingleDotCharacter ) == 0 ) && |
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145 ( aExtension.Compare( KNullDesC ) == 0 ) ) ) |
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146 { |
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147 // If filename consists only of "." or ".." it is BAD file name |
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148 badFileName= ETrue; |
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149 } |
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150 else |
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151 { |
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152 // Also RFs::IsValidName tells efficiently if the filename is ok. |
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153 // Get the name and extension for next check |
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154 temp.Set( parsedFile.FullName() ); |
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155 illegalCharacters = !fs.IsValidName( temp ); |
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156 |
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157 // RFs::IsValidName does not check if filename includes '\' and mirror '?' |
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158 TChar backslash( '\\' ); |
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159 _LIT( KMirrorQuestion, "\x061F" ); |
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160 if (( aFileName.Locate( backslash ) != KErrNotFound ) || |
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161 ( aFileName.Find( KMirrorQuestion ) != KErrNotFound ) ) |
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162 { |
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163 illegalCharacters = ETrue; |
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164 } |
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165 } |
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166 |
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167 if( badFileName || illegalCharacters ) |
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168 { |
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169 // Depending on the error, read loc string |
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170 HBufC* text = iCoeEnv->AllocReadResourceLC( badFileName ? |
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171 R_CFD_QTN_FLDR_BAD_FILE_NAME : R_CFD_QTN_FLDR_ILLEGAL_CHARACTERS ); |
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172 CAknErrorNote* note = new( ELeave ) CAknErrorNote( EFalse ); |
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173 note->ExecuteLD( *text ); |
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174 CleanupStack::PopAndDestroy(); // text |
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175 return EFalse; |
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176 } |
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177 |
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178 // the filename is valid |
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179 |
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180 // Get the full filename and path for FileExists check |
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181 temp.Set( parsedFile.FullName() ); |
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182 if( !BaflUtils::FileExists( fs, temp ) ) |
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183 { |
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184 // If the file does not exist, accept it |
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185 return ETrue; |
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186 } |
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187 |
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188 // The file already exists |
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189 // Check if it's a folder (it cannot be overwritten). |
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190 TBool overwriteNotAllowed( EFalse ); |
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191 User::LeaveIfError( BaflUtils:: IsFolder( fs, temp, overwriteNotAllowed ) ); |
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192 temp.Set( parsedFile.Name() ); |
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193 |
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194 CAknQueryDialog* dialog = new( ELeave ) CAknQueryDialog(); |
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195 dialog->PrepareLC( R_CFD_CONFIRMATION_QUERY ); |
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196 HBufC* confirmationText = NULL; |
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197 if( overwriteNotAllowed ) |
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198 { |
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199 confirmationText = StringLoader::LoadLC( // "Name %U already in use. |
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200 R_CFD_QTN_FLDR_RENAME_QUERY, temp ); // Rename?" |
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201 } |
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202 else |
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203 { |
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204 confirmationText = StringLoader::LoadLC( // "%U already exists! |
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205 R_CFD_QTN_FLDR_OVERWRITE_QUERY, temp ); // Overwrite?" |
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206 } |
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207 dialog->SetPromptL( *confirmationText ); |
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208 CleanupStack::PopAndDestroy(); // confirmationText |
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209 TInt result( dialog->RunLD() ); |
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210 |
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211 if( ( result == EAknSoftkeyYes ) || ( result == EAknSoftkeyOk ) ) |
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212 { |
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213 // User accepted overwrite or OK'ed the rename query: |
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214 return !overwriteNotAllowed; |
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215 } |
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216 |
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217 // User answered "No", if it was rename query, this dialog must be exited: |
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218 if ( overwriteNotAllowed ) |
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219 { |
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220 aUserCancelled = ETrue; |
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221 return EFalse; |
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222 } |
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223 |
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224 // User didnt' accept overwrite, ask a new name from user. |
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225 |
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226 HBufC* renamePrompt = iCoeEnv->AllocReadResourceLC( R_CFD_QTN_FLDR_ITEM_NAME_PRMPT ); // "New name:" |
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227 SetPromptL( *renamePrompt ); |
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228 CleanupStack::PopAndDestroy(); // renamePrompt |
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229 |
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230 return EFalse; |
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231 } |
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232 |
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233 // End of File |