public mainwindow() {
QMenu fileMenu = new QMenu(tr("File"));
QAction quitAction = fileMenu.addAction(tr("Exit"));
quitAction.setShortcut(tr("Ctrl+Q"));
QMenu tableMenu = new QMenu(tr("Table"));
QAction tableWidthAction = tableMenu.addAction(tr("Change Table Width"));
QAction tableHeightAction = tableMenu.addAction(tr("Change Table Height"));
menuBar().addMenu(fileMenu);
menuBar().addMenu(tableMenu);
// ! [0]
tableWidget = new QTableWidget(this);
// ! [0]
tableWidget.setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection);
quitAction.triggered.connect(this, "close()");
tableWidthAction.triggered.connect(this, "changeWidth()");
tableHeightAction.triggered.connect(this, "changeHeight()");
setupTableItems();
setCentralWidget(tableWidget);
setWindowTitle(tr("Table Widget Resizing"));
}
private void createActions() {
addImagesAct = new QAction(tr("&Add Images..."), this);
addImagesAct.setShortcut(tr("Ctrl+A"));
addImagesAct.triggered.connect(this, "addImages()");
removeAllImagesAct = new QAction(tr("&Remove All Images"), this);
removeAllImagesAct.setShortcut(tr("Ctrl+R"));
removeAllImagesAct.triggered.connect(this, "removeAllImages()");
exitAct = new QAction(tr("&Quit"), this);
exitAct.setShortcut(tr("Ctrl+Q"));
exitAct.triggered.connect(this, "close()");
styleActionGroup = new QActionGroup(this);
for (String styleName : QStyleFactory.keys()) {
QAction action = new QAction(styleActionGroup);
action.setText(styleName + " Style");
action.setData(styleName);
action.setCheckable(true);
action.triggered.connect(this, "changeStyle(boolean)");
}
guessModeStateAct = new QAction(tr("&Guess Image Mode/State"), this);
guessModeStateAct.setCheckable(true);
guessModeStateAct.setChecked(true);
aboutAct = new QAction(tr("&About"), this);
aboutAct.triggered.connect(this, "about()");
aboutQtAct = new QAction(tr("About &Qt"), this);
aboutQtAct.triggered.connect(QApplication.instance(), "aboutQt()");
}
private void checkCurrentStyle() {
for (QAction action : styleActionGroup.actions()) {
String styleName = action.data().toString();
QStyle candidate = QStyleFactory.create(styleName);
if (candidate.objectName().equals(QApplication.style().objectName())) {
action.trigger();
return;
}
}
}
private void changeStyle(boolean checked) {
if (!checked) return;
QAction action = (QAction) QSignalEmitter.signalSender();
QStyle style = QStyleFactory.create((String) action.data());
if (style != null) {
QApplication.setStyle(style);
QApplication.setPalette(style.standardPalette());
}
setTextOnRadioButtons();
changeSize(true);
}
private void createActions() {
openAct = new QAction(tr("&Open..."), this);
openAct.setShortcut(tr("Ctrl+O"));
openAct.triggered.connect(this, "open()");
saveAsActs = new LinkedList<QAction>();
for (QByteArray format : QImageWriter.supportedImageFormats()) {
String text = new String(format.toByteArray()).toUpperCase() + "...";
QAction action = new QAction(text, this);
action.setData(format);
action.triggered.connect(this, "save()");
saveAsActs.add(action);
}
printAct = new QAction(tr("&Print..."), this);
printAct.triggered.connect(scribbleArea, "print()");
exitAct = new QAction(tr("E&xit"), this);
exitAct.setShortcut(tr("Ctrl+Q"));
exitAct.triggered.connect(this, "close()");
penColorAct = new QAction(tr("&Pen Color..."), this);
penColorAct.triggered.connect(this, "penColor()");
penWidthAct = new QAction(tr("Pen &Width..."), this);
penWidthAct.triggered.connect(this, "penWidth()");
clearScreenAct = new QAction(tr("&Clear Screen"), this);
clearScreenAct.setShortcut(tr("Ctrl+L"));
clearScreenAct.triggered.connect(scribbleArea, "clearImage()");
aboutAct = new QAction(tr("&About"), this);
aboutAct.triggered.connect(this, "about()");
aboutQtAct = new QAction(tr("About &Qt"), this);
aboutQtAct.triggered.connect(QApplication.instance(), "aboutQt()");
}
private void addImages() {
List<String> fileNames =
QFileDialog.getOpenFileNames(
this,
tr("Open Images"),
"",
new QFileDialog.Filter(tr("Images (*.png *.xpm *.jpg);;" + "All Files (*)")));
if (!fileNames.isEmpty()) {
for (String fileName : fileNames) {
int row = imagesTable.rowCount();
imagesTable.setRowCount(row + 1);
String imageName = new QFileInfo(fileName).baseName();
QTableWidgetItem item0 = new QTableWidgetItem(imageName);
item0.setData(Qt.ItemDataRole.UserRole, fileName);
Qt.ItemFlags flags = item0.flags();
flags.clear(Qt.ItemFlag.ItemIsEditable);
item0.setFlags(flags);
QTableWidgetItem item1 = new QTableWidgetItem(tr("Normal"));
QTableWidgetItem item2 = new QTableWidgetItem(tr("Off"));
if (guessModeStateAct.isChecked()) {
if (fileName.contains("_act")) {
item1.setText(tr("Active"));
} else if (fileName.contains("_dis")) {
item1.setText(tr("Disabled"));
} else if (fileName.contains("_sel")) {
item1.setText(tr("Selected"));
}
if (fileName.contains("_on")) item2.setText(tr("On"));
}
imagesTable.setItem(row, 0, item0);
imagesTable.setItem(row, 1, item1);
imagesTable.setItem(row, 2, item2);
imagesTable.openPersistentEditor(item1);
imagesTable.openPersistentEditor(item2);
item0.setCheckState(Qt.CheckState.Checked);
}
}
}
private void save() {
QAction action = (QAction) QSignalEmitter.signalSender();
QByteArray fileFormat = QVariant.toByteArray(action.data());
saveFile(new String(fileFormat.toByteArray()));
}