Add more examples of XPath expressions to XmlRole.

Task-number: QTBUG-10852

2 files changed, 95 insertions, 0 deletions

diff --git a/doc/src/snippets/declarative/xmlrole.qml b/doc/src/snippets/declarative/xmlrole.qml
new file mode 100644
index 0000000..6d04daf
--- /dev/null
+++ b/doc/src/snippets/declarative/xmlrole.qml
@@ -0,0 +1,81 @@
+/****************************************************************************
+**
+** 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 QtDeclarative module 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import Qt 4.7
+
+Rectangle {
+    width: 300; height: 200
+
+//![0]
+XmlListModel {
+    id: model
+//![0]
+    source: "xmlrole.xml"
+
+//![1]
+    // XmlRole queries will be made on <book> elements
+    query: "/catalogue/book"
+
+    // query the book title
+    XmlRole { name: "title"; query: "title/string()" }
+
+    // query the book's year
+    XmlRole { name: "year"; query: "year/number()" }
+
+    // query the book's type (the '@' indicates 'type' is an attribute, not an element)
+    XmlRole { name: "type"; query: "@type/string()" }
+
+    // query the book's first listed author (note in XPath the first index is 1, not 0)
+    XmlRole { name: "first_author"; query: "author[1]/string()" }
+}
+//![1]
+
+ListView {
+    width: 300; height: 200
+    model: model
+    delegate: Column {
+        Text { text: title + " (" + type + ")"; font.bold: true }
+        Text { text: first_author }
+        Text { text: year }
+    }
+}
+
+}
diff --git a/doc/src/snippets/declarative/xmlrole.xml b/doc/src/snippets/declarative/xmlrole.xml
new file mode 100644
index 0000000..c9f999e
--- /dev/null
+++ b/doc/src/snippets/declarative/xmlrole.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="iso-8859-1" ?>
+<catalogue>
+    <book type="Hardcover">
+        <title>C++ GUI Programming with Qt 4</title>
+        <year>2006</year>
+        <author>Jasmin Blanchette</author>
+        <author>Mark Summerfield</author>
+    </book>
+    <book type="Paperback">
+        <title>Programming with Qt</title>
+        <year>2002</year>
+        <author>Matthias Kalle Dalheimer</author>
+    </book>
+ </catalogue>