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+/****************************************************************************
+**
+** Copyright (C) 2012 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.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/* JavaScript functions for creating, handling and
+ * destroying the bars of the adjuster component. */
+
+var maxBars = 10;
+var firstBarHeight = 5;
+var bars = new Array(maxBars);
+var colors = new Array(maxBars);
+var barWidthFactor = 2.3;
+
+function createBars() {
+ var barWidth = adjuster.width/maxBars/barWidthFactor;
+ for (var i = 1; i <= maxBars; i++) {
+ //Create, configure and store the bars.
+ var bar = Qt.createQmlObject('import QtQuick 1.0; Rectangle {smooth: true}', adjuster, "dynamicBar");
+ bar.width = barWidth;
+ bar.height = firstBarHeight+(i/maxBars)*(adjuster.height*0.8-firstBarHeight);
+ bar.radius = bar.width/2;
+ bar.x = (i-1)*(barWidthFactor*barWidth);
+ bar.y = adjuster.height/2 - bar.height/2;
+ bars[i-1] = bar;
+
+ //Calculate and store the colors
+ if (i < maxBars/2) {
+ colors[i-1] = Qt.rgba(1-i/(maxBars/2), 1, 1-i/(maxBars/2), i);
+ }
+ else {
+ colors[i-1] = Qt.rgba((i-(maxBars/2))/(maxBars/2), 1-((i-(maxBars/2))/(maxBars/2)), 0, i);
+ }
+ }
+}
+
+function destroyBars() {
+ for (var i = 0; i < maxBars; i++) {
+ bars[i].color = "transparent" //Colors must be set to transparent or otherwise the bars will stay appeared.
+ bars[i].destroy();
+ }
+}
+
+function fillBars(barNumber) {
+ //Set the color for the bars (transparent from the selected bar to the end).
+ for (var i = 0; i < maxBars; i++) {
+ if (i < barNumber) {
+ bars[i].color = colors[i];
+ }
+ else {
+ bars[i].color = "black";
+ }
+ }
+}