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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
** agreement between you and The Qt Company.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
import QtQuick 2.0
import QtCharts 2.0
Rectangle {
id: legend
color: "lightgray"
property int seriesCount: 0
property variant seriesNames: []
property variant seriesColors: []
signal entered(string seriesName)
signal exited(string seriesName)
signal selected(string seriesName)
function addSeries(seriesName, color) {
var names = seriesNames;
names[seriesCount] = seriesName;
seriesNames = names;
var colors = seriesColors;
colors[seriesCount] = color;
seriesColors = colors;
seriesCount++;
}
Gradient {
id: buttonGradient
GradientStop { position: 0.0; color: "#F0F0F0" }
GradientStop { position: 1.0; color: "#A0A0A0" }
}
Gradient {
id: buttonGradientHovered
GradientStop { position: 0.0; color: "#FFFFFF" }
GradientStop { position: 1.0; color: "#B0B0B0" }
}
//![2]
Component {
id: legendDelegate
Rectangle {
id: rect
//![2]
property string name: seriesNames[index]
property color markerColor: seriesColors[index]
gradient: buttonGradient
border.color: "#A0A0A0"
border.width: 1
radius: 4
implicitWidth: label.implicitWidth + marker.implicitWidth + 30
implicitHeight: label.implicitHeight + marker.implicitHeight + 10
Row {
id: row
spacing: 5
anchors.verticalCenter: parent.verticalCenter
anchors.left: parent.left
anchors.leftMargin: 5
Rectangle {
id: marker
anchors.verticalCenter: parent.verticalCenter
color: markerColor
opacity: 0.3
radius: 4
width: 12
height: 10
}
Text {
id: label
anchors.verticalCenter: parent.verticalCenter
anchors.verticalCenterOffset: -1
text: name
}
}
//![3]
MouseArea {
id: mouseArea
anchors.fill: parent
hoverEnabled: true
onEntered: {
rect.gradient = buttonGradientHovered;
legend.entered(label.text);
}
onExited: {
rect.gradient = buttonGradient;
legend.exited(label.text);
marker.opacity = 0.3;
marker.height = 10;
}
onClicked: {
legend.selected(label.text);
marker.opacity = 1.0;
marker.height = 12;
}
}
//![3]
}
}
//![1]
Row {
id: legendRow
anchors.centerIn: parent
spacing: 10
Repeater {
id: legendRepeater
model: seriesCount
delegate: legendDelegate
}
}
//![1]
}
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