Code for Order Form Example
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package com.trolltech.examples;
import com.trolltech.qt.*;
import com.trolltech.qt.core.*;
import com.trolltech.qt.gui.*;
import java.util.*;
@QtJambiExample(name = "Order Form")
public class OrderForm extends QMainWindow
{
private static class DetailsDialog extends QDialog
{
private QLabel nameLabel;
private QLabel addressLabel;
private QCheckBox offersCheckBox;
private QLineEdit nameEdit;
private List<String> items;
private QTableWidget itemsTable;
private QTextEdit addressEdit;
private QDialogButtonBox buttonBox;
public DetailsDialog(String title, QWidget parent)
{
nameLabel = new QLabel(tr("Name:"));
addressLabel = new QLabel(tr("Address:"));
addressLabel.setAlignment(Qt.AlignmentFlag.createQFlags
(Qt.AlignmentFlag.AlignLeft, Qt.AlignmentFlag.AlignTop));
nameEdit = new QLineEdit();
addressEdit = new QTextEdit();
offersCheckBox = new QCheckBox(tr("Send information about products and "
+ "special offers"));
setupItemsTable();
buttonBox = new QDialogButtonBox(new QDialogButtonBox.StandardButtons(
QDialogButtonBox.StandardButton.Ok,
QDialogButtonBox.StandardButton.Cancel));
buttonBox.accepted.connect(this, "verify()");
buttonBox.rejected.connect(this, "reject()");
QGridLayout mainLayout = new QGridLayout();
mainLayout.addWidget(nameLabel, 0, 0);
mainLayout.addWidget(nameEdit, 0, 1);
mainLayout.addWidget(addressLabel, 1, 0);
mainLayout.addWidget(addressEdit, 1, 1);
mainLayout.addWidget(itemsTable, 0, 2, 2, 1);
mainLayout.addWidget(offersCheckBox, 2, 1, 1, 2);
mainLayout.addWidget(buttonBox, 3, 0, 1, 3);
setLayout(mainLayout);
setWindowTitle(title);
}
public void verify()
{
if (!nameEdit.text().equals("") &&
!addressEdit.toPlainText().equals("")) {
accept();
return;
}
QMessageBox.StandardButton answer;
answer = QMessageBox.warning(this, tr("Incomplete Form"),
tr("The form does not contain all the necessary information.\n"
+ "Do you want to discard it?"),
new QMessageBox.StandardButtons(QMessageBox.StandardButton.Yes,
QMessageBox.StandardButton.No));
if (answer.equals(QMessageBox.StandardButton.Yes))
reject();
}
public List<QPair<String, Integer>> orderItems()
{
List<QPair<String, Integer>> orderList = new Vector<QPair<String, Integer>>();
for (int row = 0; row < items.size(); ++row) {
int quantity = Integer.parseInt(
(String) itemsTable.item(row, 1).data(Qt.ItemDataRole.DisplayRole));
orderList.add(new QPair<String, Integer>(itemsTable.item(row, 0).text(),
Math.max(0, quantity)));
}
return orderList;
}
public String senderName()
{
return nameEdit.text();
}
public String senderAddress()
{
return addressEdit.toPlainText();
}
public boolean sendOffers()
{
return offersCheckBox.isChecked();
}
private void setupItemsTable()
{
items = new Vector<String>();
items.add(tr("T-shirt"));
items.add(tr("Badge"));
items.add(tr("Reference book"));
items.add(tr("Coffee cup"));
itemsTable = new QTableWidget(items.size(), 2);
for (int row = 0; row < items.size(); ++row) {
QTableWidgetItem name = new QTableWidgetItem(items.get(row));
name.setFlags(new Qt.ItemFlags(Qt.ItemFlag.ItemIsEnabled, Qt.ItemFlag.ItemIsSelectable));
itemsTable.setItem(row, 0, name);
QTableWidgetItem quantity = new QTableWidgetItem("1");
itemsTable.setItem(row, 1, quantity);
}
}
}
public OrderForm() {
QMenu fileMenu = new QMenu(tr("&File"), this);
QAction newAction = fileMenu.addAction(tr("&New..."));
newAction.setShortcut(tr("Ctrl+N"));
printAction = new QAction(tr("&Print..."), this);
fileMenu.addAction(printAction);
printAction.setShortcut(tr("Ctrl+P"));
printAction.setEnabled(false);
QAction quitAction = fileMenu.addAction(tr("E&xit"));
quitAction.setShortcut(tr("Ctrl+Q"));
menuBar().addMenu(fileMenu);
letters = new QTabWidget();
newAction.triggered.connect(this, "openDialog()");
printAction.triggered.connect(this, "printFile()");
quitAction.triggered.connect(this, "close()");
setCentralWidget(letters);
setWindowTitle(tr("Order Form"));
createSample();
}
public void createSample()
{
DetailsDialog dialog =
new DetailsDialog("Dialog with default values", this);
createLetter("Mr. Smith", "12 High Street\nSmall Town\nThis country",
dialog.orderItems(), true);
}
public void openDialog() {
DetailsDialog dialog =
new DetailsDialog(tr("Enter Customer Details"), this);
if (dialog.exec() == QDialog.DialogCode.Accepted.value())
createLetter(dialog.senderName(), dialog.senderAddress(),
dialog.orderItems(), dialog.sendOffers());
}
public void printFile() {
QTextEdit editor = (QTextEdit) letters.currentWidget();
QPrinter printer = new QPrinter();
QPrintDialog dialog = new QPrintDialog(printer, this);
dialog.setWindowTitle(tr("Print Document"));
if (editor.textCursor().hasSelection())
dialog.addEnabledOption(
QAbstractPrintDialog.PrintDialogOption.PrintSelection);
if (dialog.exec() != QDialog.DialogCode.Accepted.value())
return;
editor.print(printer);
}
private void createLetter(String name, String address,
List<QPair<String, Integer>> orderItems,
boolean sendOffers) {
QTextEdit editor = new QTextEdit();
int tabIndex = letters.addTab(editor, name);
letters.setCurrentIndex(tabIndex);
QTextCursor cursor = new QTextCursor(editor.textCursor());
cursor.movePosition(QTextCursor.MoveOperation.Start);
QTextFrame topFrame = cursor.currentFrame();
QTextFrameFormat topFrameFormat = topFrame.frameFormat();
topFrameFormat.setPadding(16);
topFrame.setFrameFormat(topFrameFormat);
QTextCharFormat textFormat = new QTextCharFormat();
QTextCharFormat boldFormat = new QTextCharFormat();
boldFormat.setFontWeight(QFont.Weight.Bold.value());
QTextFrameFormat referenceFrameFormat = new QTextFrameFormat();
referenceFrameFormat.setBorder(1);
referenceFrameFormat.setPadding(8);
referenceFrameFormat.setPosition(QTextFrameFormat.Position.FloatRight);
referenceFrameFormat.setWidth(new QTextLength(QTextLength.Type.PercentageLength, 40));
cursor.insertFrame(referenceFrameFormat);
cursor.insertText("A company", boldFormat);
cursor.insertBlock();
cursor.insertText("321 City Street");
cursor.insertBlock();
cursor.insertText("Industry Park");
cursor.insertBlock();
cursor.insertText("Another country");
cursor.setPosition(topFrame.lastPosition());
cursor.insertText(name, textFormat);
for (String line : address.split("\n")) {
cursor.insertBlock();
cursor.insertText(line);
}
cursor.insertBlock();
cursor.insertBlock();
QDate date = QDate.currentDate();
cursor.insertText(tr("Date: ") + date.toString("d MMMM yyyy"),
textFormat);
cursor.insertBlock();
QTextFrameFormat bodyFrameFormat = new QTextFrameFormat();
bodyFrameFormat.setWidth(new QTextLength(QTextLength.Type.PercentageLength, 100));
cursor.insertFrame(bodyFrameFormat);
cursor.insertText(tr("I would like to place an order for the following "
+ "items:"), textFormat);
cursor.insertBlock();
cursor.insertBlock();
QTextTableFormat orderTableFormat = new QTextTableFormat();
orderTableFormat.setAlignment(Qt.AlignmentFlag.AlignHCenter);
QTextTable orderTable = cursor.insertTable(1, 2, orderTableFormat);
QTextFrameFormat orderFrameFormat = cursor.currentFrame().frameFormat();
orderFrameFormat.setBorder(1);
cursor.currentFrame().setFrameFormat(orderFrameFormat);
cursor = orderTable.cellAt(0, 0).firstCursorPosition();
cursor.insertText(tr("Product"), boldFormat);
cursor = orderTable.cellAt(0, 1).firstCursorPosition();
cursor.insertText(tr("Quantity"), boldFormat);
for (int i = 0; i < orderItems.size(); ++i) {
QPair<String, Integer> item = orderItems.get(i);
int row = orderTable.rows();
orderTable.insertRows(row, 1);
cursor = orderTable.cellAt(row, 0).firstCursorPosition();
cursor.insertText(item.first, textFormat);
cursor = orderTable.cellAt(row, 1).firstCursorPosition();
cursor.insertText("" + item.second, textFormat);
}
cursor.setPosition(topFrame.lastPosition());
cursor.insertBlock();
cursor.insertText(tr("Please update my records to take account of the "
+ "following privacy information:"));
cursor.insertBlock();
QTextTable offersTable = cursor.insertTable(2, 2);
cursor = offersTable.cellAt(0, 1).firstCursorPosition();
cursor.insertText(tr("I want to receive more information about your "
+ "company's products and special offers."), textFormat);
cursor = offersTable.cellAt(1, 1).firstCursorPosition();
cursor.insertText(tr("I do not want to receive any promotional information "
+ "from your company."), textFormat);
if (sendOffers)
cursor = offersTable.cellAt(0, 0).firstCursorPosition();
else
cursor = offersTable.cellAt(1, 0).firstCursorPosition();
cursor.insertText("X", boldFormat);
cursor.setPosition(topFrame.lastPosition());
cursor.insertBlock();
cursor.insertText(tr("Sincerely,"), textFormat);
cursor.insertBlock();
cursor.insertBlock();
cursor.insertBlock();
cursor.insertText(name);
printAction.setEnabled(true);
}
@Override
public QSize sizeHint() {
return new QSize(500, 550);
}
private QAction printAction;
private QTabWidget letters;
public static void main(String args[])
{
QApplication.initialize(args);
OrderForm window = new OrderForm();
window.show();
QApplication.exec();
}
}
Copyright © 2008 Nokia |
Trademarks |
Qt Jambi 4.4.3_01 |