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Data Grid
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Tree List
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Vector Map - Tooltips: HTML Markup Support
To set the tooltip's content, specify the contentTemplate. Inside the template, you can identify the map area or marker for which the tooltip is displayed and thus display information related to that map element.
In this demo, the contentTemplate property is used to display the PieChart component in the tooltip.
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Backend API
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@(Html.DevExtreme().VectorMap()
.ID("vector-map")
.Layers(l => l.Add()
.Name("areas")
.DataSource(new JS("DevExpress.viz.map.sources.world"))
.Palette(VizPalette.Violet)
.ColorGroups(new double[] { 0, 10000, 50000, 100000, 500000, 1000000, 10000000, 50000000 })
.ColorGroupingField("total")
.Label(lbl => lbl
.Enabled(true)
.DataField("name")
)
.Customize("vectorMap_areasLayer_customize")
)
.Legends(l => l.Add()
.Source(s => s
.Layer("areas")
.Grouping("color")
)
.CustomizeText("vectorMap_areasLegend_customizeText")
)
.Title(t => t
.Text("Nominal GDP")
.Subtitle(st => st.Text("(in millions of US dollars)"))
)
.Export(e => e.Enabled(true))
.Tooltip(t => t
.Enabled(true)
.ContentTemplate((@<text>
<% var name = attribute('name');
var countryGDPData = countriesGDP[name];
var total = countryGDPData && countryGDPData.total;
var pieData = getPieData(name); %>
<h4> <%- name %> </h4>
<% if(total) { %> <div id="nominal">Nominal GDP: $ <%- format(total) %>M</div> <% } %>
<% if(pieData) { %>
@(Html.DevExtreme()
.PieChart()
.Animation(false)
.ID("gdp-sectors")
.DataSource(new JS("pieData"))
.Series(s=>s.Add()
.ArgumentField("name")
.ValueField("value")
.Label(l=>l
.Visible(true)
.Connector(c=>c
.Visible(true)
.Width(1))
.CustomizeText("pieChart_label_customizeText")
)
)
.Legend(l=>l.Visible(false))
)
<% } else { %>
<div>No economic development data</div>
<% } %>
</text>))
)
.Bounds(new JS("[-180, 85, 180, -60]"))
)
<script src="~/Scripts/data/countriesGDP.js"></script>
<script>
var format = new Intl.NumberFormat("en-US", { maximumFractionDigits: 0 }).format;
function getPieData(name) {
return countriesGDP[name] ? [
{ name: 'industry', value: countriesGDP[name].industry },
{ name: 'services', value: countriesGDP[name].services },
{ name: 'agriculture', value: countriesGDP[name].agriculture }
] : null;
}
function vectorMap_areasLayer_customize(elements) {
$.each(elements, function (_, element) {
var countryGDPData = countriesGDP[element.attribute("name")];
element.attribute("total", countryGDPData && countryGDPData.total || 0);
});
}
function pieChart_label_customizeText(pointInfo) {
return pointInfo.argument[0].toUpperCase()
+ pointInfo.argument.slice(1)
+ ": $" + pointInfo.value + "M";
}
function vectorMap_areasLegend_customizeText(arg) {
return format(arg.start) + " to " + format(arg.end);
}
</script>
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