components for android added

[mardrone] / mardrone / imports / Qt / labs / components.1.1 / Checkable.qml

diff --git a/mardrone/imports/Qt/labs/components.1.1/Checkable.qml b/mardrone/imports/Qt/labs/components.1.1/Checkable.qml
new file mode 100644 (file)
index 0000000..c46339b
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+++ b/mardrone/imports/Qt/labs/components.1.1/Checkable.qml
@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** 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
+
+QtObject {
+    id: root
+    property bool checked: false
+    property variant value: null
+    property QtObject exclusiveGroup: null
+    property bool enabled: false
+
+    onEnabledChanged: {
+        if (!enabled) {
+            exclusiveGroup = null;
+            checked = false;
+        }
+    }
+
+    function toggle() {
+        if (!enabled)
+            return;
+        if (!exclusiveGroup) {
+            checked = !checked;
+        } else {
+            // In an exclusive group, there is no 'checked = false'. The invariant
+            // of the group doesn't allow to "uncheck" the checked item. Note that
+            // the group watches for changes in the checked variable of its items.
+            checked = true;
+        }
+    }
+
+    onExclusiveGroupChanged: {
+        if (exclusiveGroup) {
+            enabled = true;
+            // Note that we don't need to remove the previous group,
+            // since it is watching the 'exclusiveGroup' property changes
+            // in this item and will automatically remove us.
+            exclusiveGroup.__add(root);
+        }
+    }
+
+    Component.onDestruction: {
+        // If there's a previous group, it will be watching for
+        // this change and will remove this item.
+        exclusiveGroup = null;
+    }
+}