doc/src/snippets/code/doc_src_q3ptrdict.qdoc
branchRCL_3
changeset 7 3f74d0d4af4c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/code/doc_src_q3ptrdict.qdoc	Thu Apr 08 14:19:33 2010 +0300
@@ -0,0 +1,107 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+Q3PtrDict<char> fields; // void* keys, char* values
+
+QLineEdit *le1 = new QLineEdit( this );
+le1->setText( "Simpson" );
+QLineEdit *le2 = new QLineEdit( this );
+le2->setText( "Homer" );
+QLineEdit *le3 = new QLineEdit( this );
+le3->setText( "45" );
+
+fields.insert( le1, "Surname" );
+fields.insert( le2, "Forename" );
+fields.insert( le3, "Age" );
+
+Q3PtrDictIterator<char> it( fields );
+for( ; it.current(); ++it )
+    cout << it.current() << endl;
+cout << endl;
+
+if ( fields[le1] ) // Prints "Surname: Simpson"
+    cout << fields[le1] << ": " << le1->text() << endl; 
+if ( fields[le2] ) // Prints "Forename: Homer"
+    cout << fields[le2] << ": " << le2->text() << endl; 
+
+fields.remove( le1 ); // Removes le1 from the dictionary
+cout << le1->text() << endl; // Prints "Simpson"
+//! [0]
+
+
+//! [1]
+Q3PtrDict<ItemType> dict;
+    ...
+if ( dict.find( key ) )
+    dict.remove( key );
+dict.insert( key, item );
+//! [1]
+
+
+//! [2]
+Q3PtrDict<char> fields;
+
+QLineEdit *le1 = new QLineEdit( this );
+le1->setText( "Simpson" );
+QLineEdit *le2 = new QLineEdit( this );
+le2->setText( "Homer" );
+QLineEdit *le3 = new QLineEdit( this );
+le3->setText( "45" );
+
+fields.insert( le1, "Surname" );
+fields.insert( le2, "Forename" );
+fields.insert( le3, "Age" );
+
+Q3PtrDictIterator<char> it( fields );
+for( ; it.current(); ++it ) {
+    QLineEdit *le = (QLineEdit)it.currentKey();
+    cout << it.current() << ": " << le->text() << endl;
+}
+cout << endl;
+
+// Output (random order):
+//  Forename: Homer
+//  Age: 45
+//  Surname: Simpson
+//! [2]
+
+