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authorJerome Pasion <jerome.pasion@nokia.com>2011-03-03 16:27:38 +0100
committerJerome Pasion <jerome.pasion@nokia.com>2011-03-03 16:27:38 +0100
commit3978b7d5064e12c413b0938b5ebe7b3fe0e00c87 (patch)
treeff7ce3b3de4efa30838ce61c1b0186e784c086e3 /demos/mobile/guitartuner/src/mycomponents/adjustbars.js
parent350f284bc6842e27ccf26f292e21b5f22a8ef0d7 (diff)
downloadqt4-tools-3978b7d5064e12c413b0938b5ebe7b3fe0e00c87.tar.gz
Added 4 mobile demos. Added links and descriptions for them.
Reviewed-by: David Boddie
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+/******************************************************************************
+ *
+ * Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * Contact: Nokia Corporation (qt-info@nokia.com)
+ *
+ * $QT_BEGIN_LICENSE:BSD$
+ * 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 the author organization 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 <COPYRIGHT HOLDER> 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";
+ }
+ }
+}