1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/******************************************************************************
*
* 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";
}
}
}
|