private double getThisWeeksOrdersCost() {
double totalCost = 0.0;
for (PurchasingTransaction order : database.getPurchasingTransactions()) {
if (isDateInCurrentWeek(order.getTransactionDate())) totalCost += order.getTransactionCost();
}
return totalCost;
}
// update content on panel when a new order is added to the system
public void newOrderAdded() {
lblOrdersThisWeek.setText(getNoOrdersThisWeek() + "");
lblTotalOrders.setText(database.getPurchasingTransactions().size() + "");
lblWeeksCost.setText(String.format("€%.2f", getThisWeeksOrdersCost()));
lblTotalCost.setText(String.format("€%.2f", getTotalCostOfOrders()));
refreshCharts();
}
private double getTotalCostOfOrders() {
double totalCost = 0.0;
for (PurchasingTransaction order : database.getPurchasingTransactions()) {
totalCost += order.getTransactionCost();
}
return totalCost;
}
private double getPercentCostThisWeek() {
double weeksCost = 0.0;
double totalCost = 0.0;
for (PurchasingTransaction order : database.getPurchasingTransactions()) {
if (isDateInCurrentWeek(order.getTransactionDate())) {
weeksCost += order.getTransactionCost();
}
totalCost += order.getTransactionCost();
}
return (double) weeksCost / totalCost * 100;
}
private double getPercentEarlierCost() {
double totalCost = 0.0;
double earlierCost = 0.0;
for (PurchasingTransaction order : database.getPurchasingTransactions()) {
if (!isDateInCurrentWeek(order.getTransactionDate())) {
earlierCost += order.getTransactionCost();
}
totalCost += order.getTransactionCost();
}
return (double) earlierCost / totalCost * 100;
}
private void setNumberChartContent() {
// get values for numbers data set
int totalOrders = database.getPurchasingTransactions().size();
int difference = totalOrders - ordersThisWeek;
double percentEarlierOrders = (double) difference / totalOrders * 100;
double percentThisWeek = (double) ordersThisWeek / totalOrders * 100;
// set up pie chart that displays proportions of orders this week
PieDataset dataSet =
createChartDataSet(
percentEarlierOrders, percentThisWeek, "Earlier orders", "Orders this week");
numbersChart = createPieChart(dataSet, "Proportions of orders this week");
}
private int getNoOrdersThisWeek() {
int noOrders = 0;
// set start of week object to preceding Monday at 00:00:00
Calendar startOfWeek = Calendar.getInstance();
startOfWeek.set(Calendar.DAY_OF_YEAR, (Calendar.DAY_OF_YEAR - Calendar.DAY_OF_WEEK));
for (PurchasingTransaction order : database.getPurchasingTransactions()) {
if (isDateInCurrentWeek(order.getTransactionDate())) {
noOrders++;
}
}
ordersThisWeek = noOrders;
return noOrders;
}
private void setUpTxtPanelLabels() {
totalOrdersLabel = new JLabel("Total number of orders in system:", JLabel.CENTER);
thisWeeksOrdersLabel = new JLabel("Number of orders this week:", JLabel.CENTER);
totalCostLabel = new JLabel("Total cost of orders in system:", JLabel.CENTER);
weeksCostLabel = new JLabel("Cost of this weeks orders:", JLabel.CENTER);
totalOrdersLabel.setOpaque(true);
totalOrdersLabel.setBackground(new Color(107, 106, 104));
totalOrdersLabel.setForeground(Color.WHITE);
thisWeeksOrdersLabel.setBackground(new Color(107, 106, 104));
thisWeeksOrdersLabel.setForeground(Color.WHITE);
thisWeeksOrdersLabel.setOpaque(true);
totalCostLabel.setBackground(new Color(107, 106, 104));
totalCostLabel.setForeground(Color.WHITE);
totalCostLabel.setOpaque(true);
weeksCostLabel.setBackground(new Color(107, 106, 104));
weeksCostLabel.setForeground(Color.WHITE);
weeksCostLabel.setOpaque(true);
lblTotalOrders = new JLabel(database.getPurchasingTransactions().size() + "", JLabel.CENTER);
lblOrdersThisWeek = new JLabel(getNoOrdersThisWeek() + "", JLabel.CENTER);
lblTotalCost = new JLabel(String.format("€%.2f", getTotalCostOfOrders()), JLabel.CENTER);
lblWeeksCost = new JLabel(String.format("€%.2f", getThisWeeksOrdersCost()), JLabel.CENTER);
lblTotalOrders.setBackground(Color.LIGHT_GRAY);
lblTotalOrders.setOpaque(true);
lblOrdersThisWeek.setBackground(Color.LIGHT_GRAY);
lblOrdersThisWeek.setOpaque(true);
lblTotalCost.setBackground(Color.LIGHT_GRAY);
lblTotalCost.setOpaque(true);
lblWeeksCost.setBackground(Color.LIGHT_GRAY);
lblWeeksCost.setOpaque(true);
// add labels to panel
txtPanel.add(totalOrdersLabel);
txtPanel.add(lblTotalOrders);
txtPanel.add(thisWeeksOrdersLabel);
txtPanel.add(lblOrdersThisWeek);
txtPanel.add(totalCostLabel);
txtPanel.add(lblTotalCost);
txtPanel.add(weeksCostLabel);
txtPanel.add(lblWeeksCost);
}