components for android added

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

diff --git a/mardrone/imports/com/meego/extras/Tumbler.js b/mardrone/imports/com/meego/extras/Tumbler.js
new file mode 100644 (file)
index 0000000..6b92ff4
--- /dev/null
+++ b/mardrone/imports/com/meego/extras/Tumbler.js
@@ -0,0 +1,137 @@
+/****************************************************************************
+**
+** 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+var __columns = [];
+var __autoColumnWidth = 0;
+var __suppressLayoutUpdates = false;
+
+function initialize() {
+    // check the width requested by fixed width columns
+    var requestedWidth = 0;
+    var requestedCount = 0;
+    var invisibleCount = 0;
+    for (var i = 0; i < columns.length; i++) {
+        if (columns[i].visible) {
+            if (columns[i].width > 0 && !columns[i].privateIsAutoWidth) {
+                requestedWidth += columns[i].width;
+                requestedCount++;
+            }
+        } else {
+            invisibleCount++;
+        }
+    }
+
+    // allocate the rest to auto width columns
+    if ((columns.length - requestedCount - invisibleCount) > 0) {
+        __autoColumnWidth = Math.floor((parent.width - requestedWidth) / (columns.length - requestedCount - invisibleCount));
+    }
+
+    for (var i = 0; i < columns.length; i++) {
+        var comp = Qt.createComponent("TumblerTemplate.qml");
+        var newObj = comp.createObject(tumblerRow);
+        if (!columns[i].width || columns[i].privateIsAutoWidth) {
+            columns[i].width = __autoColumnWidth;
+            columns[i].privateIsAutoWidth = true;
+        }
+        if (columns[i].label) {
+            // enable label for the tumbler
+            internal.hasLabel = true;
+        }
+        newObj.height = root.height;
+        newObj.index = i;
+        newObj.tumblerColumn = columns[i];
+        newObj.widthChanged.connect(layout);
+        newObj.visibleChanged.connect(layout);
+        __columns.push(newObj);
+    }
+    privateTemplates = __columns;
+}
+
+function clear() {
+    var count = __columns.length;
+    for (var i = 0; i < count; i++) {
+        var tmp = __columns.pop();
+        tmp.destroy();
+    }
+}
+
+function forceUpdate() {
+    for (var i = 0; i < columns.length; i++) {
+        columns[i].selectedIndex = __columns[i].view.currentIndex;
+    }
+}
+
+function layout() {
+    if (__suppressLayoutUpdates) {
+        // guard against onWidthChanged triggering again during this process
+        return;
+    }
+    var requestedWidth = 0;
+    var requestedCount = 0;
+    var invisibleCount = 0;
+    for (var i = 0; i < columns.length; i++) {
+        if (columns[i].visible) {
+            var w = columns[i].width;
+            var a = columns[i].privateIsAutoWidth;
+            if (!a || (a && w != __autoColumnWidth)) {
+                requestedWidth += columns[i].width;
+                requestedCount++;
+                columns[i].privateIsAutoWidth = false;
+            } else {
+                columns[i].privateIsAutoWidth = true;
+            }
+        } else {
+            invisibleCount++;
+        }
+    }
+
+    if ((columns.length - requestedCount - invisibleCount) > 0) {
+        __autoColumnWidth = Math.floor((parent.width - requestedWidth) / (columns.length - requestedCount - invisibleCount));
+    }
+
+    // guard against onWidthChanged triggering again during this process
+    __suppressLayoutUpdates = true;
+    for (var i = 0; i < columns.length; i++) {
+        if (columns[i].privateIsAutoWidth) {
+            columns[i].width = __autoColumnWidth;
+        }
+    }
+    __suppressLayoutUpdates = false;
+}