private void changeIcon() {
QIcon icon = new QIcon();
for (int row = 0; row < imagesTable.rowCount(); ++row) {
QTableWidgetItem item0 = imagesTable.item(row, 0);
QTableWidgetItem item1 = imagesTable.item(row, 1);
QTableWidgetItem item2 = imagesTable.item(row, 2);
if (item0.checkState() == Qt.CheckState.Checked) {
QIcon.Mode mode;
if (item1.text().equals(tr("Normal"))) {
mode = QIcon.Mode.Normal;
} else if (item1.text().equals(tr("Active"))) {
mode = QIcon.Mode.Active;
} else if (item1.text().equals(tr("Disabled"))) {
mode = QIcon.Mode.Disabled;
} else {
mode = QIcon.Mode.Selected;
}
QIcon.State state;
if (item2.text().equals(tr("On"))) {
state = QIcon.State.On;
} else {
state = QIcon.State.Off;
}
String fileName = (String) item0.data(Qt.ItemDataRole.UserRole);
QImage image = new QImage(fileName);
if (!image.isNull()) icon.addPixmap(QPixmap.fromImage(image), mode, state);
}
}
previewArea.setIcon(icon);
}
void changeHeight() {
Integer newHeight =
QInputDialog.getInteger(
this,
tr("Change table height"),
tr("Input the number of rows required (1-20):"),
tableWidget.rowCount(),
1,
20,
1);
if (newHeight != null) tableWidget.setRowCount(newHeight);
}
void changeWidth() {
Integer newWidth =
QInputDialog.getInteger(
this,
tr("Change table width"),
tr("Input the number of columns required (1-20):"),
tableWidget.columnCount(),
1,
20,
1);
if (newWidth != null) tableWidget.setColumnCount(newWidth);
}
private void createImagesGroupBox() {
imagesGroupBox = new QGroupBox(tr("Images"));
imagesTable = new QTableWidget();
imagesTable.setSelectionMode(QAbstractItemView.SelectionMode.NoSelection);
imagesTable.setItemDelegate(new ImageDelegate(this));
List<String> labels = new LinkedList<String>();
labels.add(tr("Image"));
labels.add(tr("Mode"));
labels.add(tr("State"));
imagesTable.horizontalHeader().setDefaultSectionSize(90);
imagesTable.setColumnCount(3);
imagesTable.setHorizontalHeaderLabels(labels);
imagesTable.horizontalHeader().setResizeMode(0, QHeaderView.ResizeMode.Stretch);
imagesTable.horizontalHeader().setResizeMode(1, QHeaderView.ResizeMode.Fixed);
imagesTable.horizontalHeader().setResizeMode(2, QHeaderView.ResizeMode.Fixed);
imagesTable.verticalHeader().hide();
imagesTable.itemChanged.connect(this, "changeIcon()");
QVBoxLayout layout = new QVBoxLayout();
layout.addWidget(imagesTable);
imagesGroupBox.setLayout(layout);
}
void setupTableItems() {
// ! [1]
tableWidget.setRowCount(10);
tableWidget.setColumnCount(5);
// ! [1]
for (int row = 0; row < tableWidget.rowCount(); ++row) {
for (int column = 0; column < tableWidget.columnCount(); ++column) {
// ! [2]
QTableWidgetItem newItem = new QTableWidgetItem("" + (row + 1) + ", " + (column + 1));
tableWidget.setItem(row, column, newItem);
// ! [2]
}
}
}
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 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 createContextMenu() {
imagesTable.setContextMenuPolicy(Qt.ContextMenuPolicy.ActionsContextMenu);
imagesTable.addAction(addImagesAct);
imagesTable.addAction(removeAllImagesAct);
}
private void removeAllImages() {
imagesTable.setRowCount(0);
changeIcon();
}