components for android added

[mardrone] / mardrone / imports / com / meego / extras / Tumbler.qml

diff --git a/mardrone/imports/com/meego/extras/Tumbler.qml b/mardrone/imports/com/meego/extras/Tumbler.qml
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Components project.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 1.1
+import com.nokia.meego 1.0
+import "Tumbler.js" as Engine
+import "constants.js" as C
+
+/*
+   Class: Tumbler
+   A tumbler.
+*/
+ImplicitSizeItem {
+    id: root
+
+    /*
+     * Property: items
+     * [ListModel] Array of ListModel for each column of the dialog.
+     */
+    property list<Item> columns
+
+    /*
+     * Event: changed
+     * Is emitted when the value of the tumbler changes.
+     */
+    signal changed(int index)
+
+    /* private */
+    property bool privateDelayInit: false
+    property list<Item> privateTemplates
+
+    implicitWidth: C.TUMBLER_WIDTH
+    implicitHeight: screen.displayWidth > screen.displayHeight ?
+                        C.TUMBLER_HEIGHT_LANDSCAPE :
+                        C.TUMBLER_HEIGHT_PORTRAIT
+
+    /* private */
+    function privateInitialize() {
+        if (!internal.initialized) {
+            Engine.initialize();
+            internal.initialized = true;
+        }
+    }
+
+    /* private */
+    function privateForceUpdate() {
+        Engine.forceUpdate();
+    }
+
+    anchors.fill: parent
+    clip: true
+    Component.onCompleted: {
+        if (!privateDelayInit && !internal.initialized) {
+            Engine.initialize();
+            internal.initialized = true;
+        }
+    }
+    onChanged: {
+        if (internal.movementCount == 0)
+            Engine.forceUpdate();
+    }
+    onColumnsChanged: {
+        if (internal.initialized) {
+            // when new columns are added, the system first removes all
+            // the old columns
+            internal.initialized = false;
+            Engine.clear();
+            internal.reInit = true;
+        } else if (internal.reInit && columns.length > 0) {
+            // timer is used because the new columns are added one by one
+            // we only want to act after the last column is added
+            internal.reInit = false;
+            columnChangedTimer.restart();
+        }
+    }
+    onWidthChanged: {
+        Engine.layout();
+    }
+
+    QtObject {
+        id: internal
+
+        property int movementCount: 0
+        property bool initialized: false
+        property bool reInit: false
+        property bool hasLabel: false
+
+        property Timer timer: Timer {
+            id: columnChangedTimer
+            interval: 50
+            onTriggered: {
+                Engine.initialize();
+                internal.initialized = true;
+            }
+        }
+    }
+
+    BorderImage {
+        width: parent.width
+        height: internal.hasLabel ?
+                    parent.height - C.TUMBLER_LABEL_HEIGHT : // decrease by bottom text height
+                    parent.height
+        source: "image://theme/" + theme.colorString + "meegotouch-list-fullwidth-background-selected"
+        anchors.top: parent.top
+        border { left: C.TUMBLER_BORDER_MARGIN; top: C.TUMBLER_BORDER_MARGIN; right: C.TUMBLER_BORDER_MARGIN; bottom: C.TUMBLER_BORDER_MARGIN }
+    }
+
+    Rectangle {
+        width: parent.width
+        height: internal.hasLabel ?
+                    parent.height - C.TUMBLER_LABEL_HEIGHT - 2 * C.TUMBLER_BORDER_MARGIN : // decrease by bottom text & border height
+                    parent.height - 2*C.TUMBLER_BORDER_MARGIN
+        color: C.TUMBLER_COLOR
+        anchors { top: parent.top; topMargin: C.TUMBLER_BORDER_MARGIN }
+    }
+
+    Row {
+        id: tumblerRow
+        anchors { fill: parent; topMargin: 1 }
+    }
+}