forked from syncfusion/blazor-samples
-
Notifications
You must be signed in to change notification settings - Fork 0
/
EmptyPoint.razor
152 lines (144 loc) · 5.79 KB
/
EmptyPoint.razor
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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
@page "/RangeSelector/EmptyPoint"
@using Syncfusion.EJ2.Blazor.Charts
@using Newtonsoft.Json
@inherits SampleBaseComponent;
@if (emptyData == null)
{
<div class="stockchartloader"></div>
}
else
{
<div class="control-section" align="center">
<h4 id="days" style="font-family: Segoe UI;font-weight: 500; font-style:normal; font-size:15px;">AAPL 2012-17</h4>
<div id="container">
<EjsRangeNavigator Value="@value" LabelPosition="AxisPosition.Outside" ValueType=Syncfusion.EJ2.Blazor.Charts.RangeValueType.DateTime>
<RangeNavigatorEvents Changed="onRangeChanged"></RangeNavigatorEvents>
<RangeNavigatorMajorGridLines Width="0"></RangeNavigatorMajorGridLines>
<RangeNavigatorMajorTickLines Width="0"></RangeNavigatorMajorTickLines>
<RangeNavigatorBorder Width="0"></RangeNavigatorBorder>
<RangeNavigatorRangeTooltipSettings Enable="true" DisplayMode="TooltipDisplayMode.Always"></RangeNavigatorRangeTooltipSettings>
<RangeNavigatorSeriesCollection>
<RangeNavigatorSeries Fill="url(#material-gradient-chart)" DataSource="@emptyData" Width="2" XName="x" Type="RangeNavigatorType.Area" YName="open">
</RangeNavigatorSeries>
</RangeNavigatorSeriesCollection>
</EjsRangeNavigator>
</div>
<div id="chartcontainer">
<EjsChart>
<ChartArea><ChartAreaBorder Width="0" Color="transparent"></ChartAreaBorder></ChartArea>
<ChartPrimaryXAxis ValueType="Syncfusion.EJ2.Blazor.Charts.ValueType.DateTime" EdgeLabelPlacement="EdgeLabelPlacement.Shift" ZoomFactor="@ZF" ZoomPosition="@ZP">
<ChartAxisMajorGridLines Width="0"></ChartAxisMajorGridLines>
<ChartAxisCrosshairTooltip Enable="true"></ChartAxisCrosshairTooltip>
</ChartPrimaryXAxis>
<ChartPrimaryYAxis RangePadding="ChartRangePadding.Normal">
<ChartAxisMajorTickLines Width="0"></ChartAxisMajorTickLines>
<ChartAxisLineStyle Width="0"></ChartAxisLineStyle>
</ChartPrimaryYAxis>
<ChartSeriesCollection>
<ChartSeries Fill="url(#material-gradient-chart)" DataSource="@emptyData" XName="x" YName="open" Name="Sales" Width="2" Type="ChartSeriesType.Area">
</ChartSeries>
</ChartSeriesCollection>
<ChartTooltipSettings Enable="true" Shared="true"></ChartTooltipSettings>
<ChartLegendSettings Visible="false"></ChartLegendSettings>
</EjsChart>
</div>
</div>
}
@code{
double ZF = 1;
double ZP = 0;
private ChartData[] emptyData;
protected override async Task OnInitializedAsync()
{
await Task.Run(() =>
{
emptyData = JsonConvert.DeserializeObject<ChartData[]>(System.IO.File.ReadAllText("./wwwroot/scripts/range-navigator/chartdata.json"));
int max = 250;
for (int i = 0; i <= max; i++)
{
if (i > 45 && 50 > i)
{
emptyData[i].open = null;
}
else if (i > 95 && 100 > i)
{
emptyData[i].open = null;
}
else if (i > 145 && 150 > i)
{
emptyData[i].open = null;
}
else if (i > 195 && 200 > i)
{
emptyData[i].open = null;
}
else if (i > 245 && 250 > i)
{
emptyData[i].open = null;
}
}
});
}
public class ChartData
{
public DateTime x;
public Nullable<Double> open;
}
private DateTime[] value = new DateTime[] { new DateTime(2013, 12, 27), new DateTime(2015, 03, 23) };
public void onRangeChanged(IChangedEventArgs args)
{
ZF = args.ZoomFactor;
ZP = args.ZoomPosition;
StateHasChanged();
}
}
<style>
#control-container {
padding: 0px !important;
}
#material-gradient-chart stop {
stop-color: #00bdae;
}
#fabric-gradient-chart stop {
stop-color: #4472c4;
}
#bootstrap-gradient-chart stop {
stop-color: #a16ee5;
}
#bootstrap4-gradient-chart stop {
stop-color: #a16ee5;
}
#highcontrast-gradient-chart stop {
stop-color: #79ECE4;
}
.chart-gradient stop[offset="0"] {
stop-opacity: 0.9;
}
.chart-gradient stop[offset="1"] {
stop-opacity: 0.3;
}
</style>
<svg style="height: 0">
<defs>
<linearGradient id="material-gradient-chart" style="opacity: 0.75" class="chart-gradient" x1="0" x2="0" y1="0" y2="1">
<stop offset="0"></stop>
<stop offset="1"></stop>
</linearGradient>
<linearGradient id="fabric-gradient-chart" style="opacity: 0.75" class="chart-gradient" x1="0" x2="0" y1="0" y2="1">
<stop offset="0"></stop>
<stop offset="1"></stop>
</linearGradient>
<linearGradient id="bootstrap-gradient-chart" style="opacity: 0.75" class="chart-gradient" x1="0" x2="0" y1="0" y2="1">
<stop offset="0"></stop>
<stop offset="1"></stop>
</linearGradient>
<linearGradient id="bootstrap4-gradient-chart" style="opacity: 0.75" class="chart-gradient" x1="0" x2="0" y1="0" y2="1">
<stop offset="0"></stop>
<stop offset="1"></stop>
</linearGradient>
<linearGradient id="highcontrast-gradient-chart" style="opacity: 0.75" class="chart-gradient" x1="0" x2="0" y1="0" y2="1">
<stop offset="0"></stop>
<stop offset="1"></stop>
</linearGradient>
</defs>
</svg>