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index.zulzul<?page title="Dashboard with Charts" contentType="text/html;charset=UTF-8"?>
<zk xmlns:n="native">
<style>
.card {
padding: 20px;
border-radius: 12px;
background: white;
box-shadow: 0 2px 5px rgba(0,0,0,0.15);
margin: 10px;
}
.title {
font-weight: bold;
font-size: 16px;
margin-bottom: 10px;
display: block;
}
</style>
<window title="Dashboard" border="none" width="100%" style="padding:20px;">
<label value="Dashboard Overview"
style="font-size:22px;font-weight:bold;margin-bottom:20px;"/>
<hlayout spacing="20px">
<div width="50%">
<div class="card">
<label value="Sales Distribution (Pie Chart)" class="title"/>
<chart type="pie" width="100%" height="250px">
<attribute name="model">
<![CDATA[
new org.zkoss.zul.SimplePieModel() {{
add("Electronics", 45);
add("Clothing", 25);
add("Grocery", 20);
add("Others", 10);
}};
]]>
</attribute>
</chart>
</div>
</div>
<div width="50%">
<div class="card">
<label value="Monthly Orders (Bar Chart)" class="title"/>
<chart type="bar" width="100%" height="250px">
<attribute name="model">
<![CDATA[
new org.zkoss.zul.CategoryModel() {{
setValue("Orders", "Jan", 120);
setValue("Orders", "Feb", 150);
setValue("Orders", "Mar", 180);
setValue("Orders", "Apr", 100);
}};
]]>
</attribute>
</chart>
</div>
</div>
</hlayout>
<hlayout spacing="20px">
<div width="50%">
<div class="card">
<label value="User Growth (Line Chart)" class="title"/>
<chart type="line" width="100%" height="250px">
<attribute name="model">
<![CDATA[
new org.zkoss.zul.CategoryModel() {{
setValue("Users", "Week 1", 50);
setValue("Users", "Week 2", 70);
setValue("Users", "Week 3", 120);
setValue("Users", "Week 4", 150);
}};
]]>
</attribute>
</chart>
</div>
</div>
<div width="50%">
<div class="card">
<label value="Quarterly Revenue" class="title"/>
<label value="₹ 24,50,000"
style="font-size:42px;font-weight:bold;color:#007bff;"/>
<label value="Updated automatically" style="color:gray;"/>
</div>
</div>
</hlayout>
</window>
</zk>
TestComposer.javajava
import java.util.*;
import org.zkoss.bind.annotation.Command;
import org.zkoss.bind.annotation.Init;
public class DashboardViewModel {
// sample fields
private List<String> labels;
private List<Integer> lineData;
private List<Integer> barData;
private Map<String,Integer> doughnutMap;
private List<Integer> availableYears = Arrays.asList(2023, 2024, 2025);
private Integer selectedYear = 2025;
private int totalRevenue;
private int totalOrders;
private List<Product> topProducts;
@Init
public void init() {
loadSampleData(selectedYear);
}
private void loadSampleData(int year) {
// create month labels
labels = Arrays.asList("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec");
// sample random-ish data
Random r = new Random(year);
lineData = new ArrayList<>();
barData = new ArrayList<>();
for (int i=0;i<12;i++){
int sales = 500 + r.nextInt(1500);
int orders = 20 + r.nextInt(80);
lineData.add(sales);
barData.add(orders);
}
doughnutMap = new LinkedHashMap<>();
doughnutMap.put("Electronics", 12000);
doughnutMap.put("Apparel", 8000);
doughnutMap.put("Home", 6000);
// KPIs
totalRevenue = lineData.stream().mapToInt(Integer::intValue).sum();
totalOrders = barData.stream().mapToInt(Integer::intValue).sum();
topProducts = Arrays.asList(
new Product("Widget A", 4500),
new Product("Widget B", 3200),
new Product("Widget C", 2100)
);
}
// Expose JSON strings so the zul's JS can parse them directly.
public String getLabelsJson(){
return toJsonArray(labels);
}
public String getLineDataJson(){
return toJsonArray(lineData);
}
}