Doc: add UI Forms tutorial

Based on the Qt Quick Controls UI Forms example.

Change-Id: Iec42b7559161f980e4f482c63bfc40a22f5e77f8
Reviewed-by: Tim Jenssen <tim.jenssen@theqtcompany.com>

doc/examples/uiforms/Notes.qml

@@ -0,0 +1,74 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.4
+import my.customermodel.singleton 1.0
+
+NotesForm {
+    id: form
+
+    function readData() {
+        CustomerModel.selection.forEach(function (rowIndex) {
+            form.textArea1.text = CustomerModel.get(rowIndex).notes
+        })
+
+        save.enabled = true
+        cancel.enabled = true
+        form.textArea1.enabled = true
+    }
+
+    function writeData() {
+        CustomerModel.selection.forEach(function (rowIndex) {
+            var data = CustomerModel.get(rowIndex)
+            data.notes = form.textArea1.text
+            CustomerModel.set(rowIndex, data)
+        })
+    }
+
+    cancel.onClicked: readData()
+    save.onClicked: writeData()
+
+    Connections {
+        target: CustomerModel.selection
+        onSelectionChanged: form.readData()
+    }
+
+    Component.onCompleted: readData()
+}