Added chapter5 of the "extendig QML Tutorial".

2 files changed, 145 insertions, 0 deletions

diff --git a/examples/declarative/extending/chapter5-listproperties/app.qml b/examples/declarative/extending/chapter5-listproperties/app.qml
new file mode 100644
index 0000000..1b6d924
--- /dev/null
+++ b/examples/declarative/extending/chapter5-listproperties/app.qml
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** 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 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 Nokia Corporation and its Subsidiary(-ies) 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+//![0]
+import Charts 1.0
+import QtQuick 1.0
+
+Item {
+    width: 300; height: 200
+
+    PieChart {
+        anchors.centerIn: parent
+        width: 100; height: 100
+
+        slices: [
+            PieSlice {
+                anchors.fill: parent
+                color: "red"
+                fromAngle: 0; angleSpan: 110
+            },
+            PieSlice {
+                anchors.fill: parent
+                color: "black"
+                fromAngle: 110; angleSpan: 50
+            },
+            PieSlice {
+                anchors.fill: parent
+                color: "blue"
+                fromAngle: 160; angleSpan: 100
+            }
+        ]
+    }
+}
+//![0]
diff --git a/examples/declarative/extending/chapter5-listproperties/listproperties.py b/examples/declarative/extending/chapter5-listproperties/listproperties.py
new file mode 100644
index 0000000..63f9cde
--- /dev/null
+++ b/examples/declarative/extending/chapter5-listproperties/listproperties.py
@@ -0,0 +1,75 @@
+
+import sys
+from PySide.QtCore import *
+from PySide.QtGui import *
+from PySide.QtDeclarative import *
+
+class PieSlice (QDeclarativeItem):
+
+    def __init__(self, parent = None):
+        QDeclarativeItem.__init__(self, parent)
+        # need to disable this flag to draw inside a QDeclarativeItem
+        self.setFlag(QGraphicsItem.ItemHasNoContents, False)
+        self._color = QColor()
+        self._fromAngle = 0
+        self._angleSpan = 0
+
+    def getColor(self):
+        return self._color
+
+    def setColor(self, value):
+        self._color = value
+
+    def getFromAngle(self):
+        return self._angle
+
+    def setFromAngle(self, value):
+        self._fromAngle = value
+
+    def getAngleSpan(self):
+        return self._angleSpan
+
+    def setAngleSpan(self, value):
+        self._angleSpan = value
+
+    color = Property(QColor, getColor, setColor)
+    fromAngle = Property(int, getFromAngle, setFromAngle)
+    angleSpan = Property(int, getAngleSpan, setAngleSpan)
+
+    def paint(self, painter, options, widget):
+        pen = QPen(self._color, 2)
+        painter.setPen(pen);
+        painter.setRenderHints(QPainter.Antialiasing, True);
+        painter.drawPie(self.boundingRect(), self._fromAngle * 16, self._angleSpan * 16);
+
+class PieChart (QDeclarativeItem):
+
+    def __init__(self, parent = None):
+        QDeclarativeItem.__init__(self, parent)
+        self._name = u''
+        self._slices = []
+
+    def getName(self):
+        return self._name
+
+    def setName(self, value):
+        self._name = value
+
+    name = Property(unicode, getName, setName)
+
+    def appendSlice(self, _slice):
+        _slice.setParentItem(self)
+        self._slices.append(_slice)
+
+    slices = ListProperty(PieSlice, appendSlice)
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+
+    qmlRegisterType(PieChart, 'Charts', 1, 0, 'PieChart');
+    qmlRegisterType(PieSlice, "Charts", 1, 0, "PieSlice");
+
+    view = QDeclarativeView()
+    view.setSource(QUrl.fromLocalFile('app.qml'))
+    view.show()
+    sys.exit(app.exec_())