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index.zulzul<?xml version="1.0" encoding="UTF-8"?>
<window apply="org.zkoss.bind.BindComposer"
viewModel="@id('vm') @init('com.example.DashboardViewModel')"
title="Dashboard" border="normal" width="100%" height="100%">
<!-- include Chart.js from CDN -->
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<vlayout style="padding:12px; gap:12px;">
<!-- Top bar -->
<hlayout width="100%" pack="between" style="align-items:center;">
<label value="Sales Dashboard" style="font-size:20px; font-weight:600;"/>
<hlayout spacing="8px">
<button label="Refresh" onClick="vm.refresh()"/>
</hlayout>
</hlayout>
<!-- Main layout: sidebar + content -->
<hlayout width="100%" height="600px" spacing="12px">
<!-- Sidebar -->
<vlayout width="250px" spacing="8px">
<panel title="Filters" collapsible="true" width="100%">
<vlayout style="padding:8px; gap:8px;">
<combobox model="@load(vm.availableYears)" selectedItem="@bind(vm.selectedYear)"/>
<button label="Apply" onClick="vm.applyFilters()"/>
</vlayout>
</panel>
<panel title="KPIs" width="100%">
<vlayout style="padding:8px; gap:8px;">
<label value="Total Revenue: ${vm.totalRevenue}"/>
<label value="Orders: ${vm.totalOrders}"/>
<label value="Avg Order Value: ${vm.avgOrderValue}"/>
</vlayout>
</panel>
</vlayout>
<!-- Content area -->
<vlayout flex="1" spacing="12px">
<hlayout width="100%" spacing="12px">
<panel title="Sales Over Time" width="70%">
<div style="padding:12px;"><canvas id="lineChart" width="600" height="250"></canvas></div>
</panel>
<panel title="Sales by Category" width="30%">
<div style="padding:12px;"><canvas id="doughnutChart" width="250" height="250"></canvas></div>
</panel>
</hlayout>
<hlayout width="100%">
<panel title="Top Products" width="50%">
<listbox model="@load(vm.topProducts)">
<listhead>
<listheader label="Product"/>
<listheader label="Revenue"/>
</listhead>
<template name="model" var="item">
<listitem>
<listcell label="${item.name}"/>
<listcell label="${item.revenue}"/>
</listitem>
</template>
</listbox>
</panel>
<panel title="Monthly Orders" width="50%">
<div style="padding:12px;"><canvas id="barChart" width="600" height="250"></canvas></div>
</panel>
</hlayout>
</vlayout>
</window>TestComposer.javajavapackage com.example;
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(){
}