examples: Remove the Find Files example

The example follows bad and outdated practices:

- running time consuming and I/O heavy workload in the GUI thread
- calling processEvents to keep the UI responsive
- showing results only at the end of a search rather than continuously

Perhaps this example can be rewritten at some point to apply modern
practices (at least use a thread and emit signals), but it seems
to have low overall educational value.

Fixes: QTBUG-111002
Task-number: QTBUG-108751
Task-number: PYSIDE-2206
Change-Id: I6bd6a77e34fa59de548e2ba53483eda092165c33
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

2 files changed, 0 insertions, 187 deletions

diff --git a/examples/widgets/dialogs/findfiles/findfiles.py b/examples/widgets/dialogs/findfiles/findfiles.py
deleted file mode 100644
index 7f2093c42..000000000
--- a/examples/widgets/dialogs/findfiles/findfiles.py
+++ /dev/null
@@ -1,184 +0,0 @@
-# Copyright (C) 2013 Riverbank Computing Limited.
-# Copyright (C) 2022 The Qt Company Ltd.
-# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-"""PySide6 port of the widgets/dialogs/findfiles example from Qt v5.x"""
-
-import sys
-
-from PySide6.QtCore import (QCoreApplication, QDir, QFile, QFileInfo,
-                            QIODevice, QTextStream, QUrl, Qt)
-from PySide6.QtGui import QDesktopServices
-from PySide6.QtWidgets import (QAbstractItemView, QApplication, QComboBox,
-                               QDialog, QFileDialog, QGridLayout, QHBoxLayout,
-                               QHeaderView, QLabel, QProgressDialog,
-                               QPushButton, QSizePolicy, QTableWidget,
-                               QTableWidgetItem)
-
-
-class Window(QDialog):
-    def __init__(self, parent=None):
-        super().__init__(parent)
-
-        self._browse_button = self.create_button("&Browse...", self.browse)
-        self._find_button = self.create_button("&Find", self.find)
-
-        self._file_combo_box = self.create_combo_box("*")
-        self._text_combo_box = self.create_combo_box()
-        self._directory_combo_box = self.create_combo_box(QDir.currentPath())
-
-        file_label = QLabel("Named:")
-        text_label = QLabel("Containing text:")
-        directory_label = QLabel("In directory:")
-        self._files_found_label = QLabel()
-
-        self.create_files_table()
-
-        buttons_layout = QHBoxLayout()
-        buttons_layout.addStretch()
-        buttons_layout.addWidget(self._find_button)
-
-        main_layout = QGridLayout()
-        main_layout.addWidget(file_label, 0, 0)
-        main_layout.addWidget(self._file_combo_box, 0, 1, 1, 2)
-        main_layout.addWidget(text_label, 1, 0)
-        main_layout.addWidget(self._text_combo_box, 1, 1, 1, 2)
-        main_layout.addWidget(directory_label, 2, 0)
-        main_layout.addWidget(self._directory_combo_box, 2, 1)
-        main_layout.addWidget(self._browse_button, 2, 2)
-        main_layout.addWidget(self._files_table, 3, 0, 1, 3)
-        main_layout.addWidget(self._files_found_label, 4, 0)
-        main_layout.addLayout(buttons_layout, 5, 0, 1, 3)
-        self.setLayout(main_layout)
-
-        self.setWindowTitle("Find Files")
-        self.resize(500, 300)
-
-    def browse(self):
-        directory = QFileDialog.getExistingDirectory(self, "Find Files",
-                QDir.currentPath())
-
-        if directory:
-            if self._directory_combo_box.findText(directory) == -1:
-                self._directory_combo_box.addItem(directory)
-
-            self._directory_combo_box.setCurrentIndex(self._directory_combo_box.findText(directory))
-
-    @staticmethod
-    def update_combo_box(comboBox):
-        if comboBox.findText(comboBox.currentText()) == -1:
-            comboBox.addItem(comboBox.currentText())
-
-    def find(self):
-        self._files_table.setRowCount(0)
-
-        file_name = self._file_combo_box.currentText()
-        text = self._text_combo_box.currentText()
-        path = self._directory_combo_box.currentText()
-
-        self.update_combo_box(self._file_combo_box)
-        self.update_combo_box(self._text_combo_box)
-        self.update_combo_box(self._directory_combo_box)
-
-        self._current_dir = QDir(path)
-        if not file_name:
-            file_name = "*"
-        files = self._current_dir.entryList([file_name],
-                QDir.Files | QDir.NoSymLinks)
-
-        if text:
-            files = self.find_files(files, text)
-        self.show_files(files)
-
-    def find_files(self, files, text):
-        progress_dialog = QProgressDialog(self)
-
-        progress_dialog.setCancelButtonText("&Cancel")
-        progress_dialog.setRange(0, len(files))
-        progress_dialog.setWindowTitle("Find Files")
-
-        found_files = []
-
-        for i in range(len(files)):
-            progress_dialog.setValue(i)
-            n = len(files)
-            progress_dialog.setLabelText(f"Searching file number {i} of {n}...")
-            QCoreApplication.processEvents()
-
-            if progress_dialog.wasCanceled():
-                break
-
-            in_file = QFile(self._current_dir.absoluteFilePath(files[i]))
-
-            if in_file.open(QIODevice.ReadOnly):
-                stream = QTextStream(in_file)
-                while not stream.atEnd():
-                    if progress_dialog.wasCanceled():
-                        break
-                    line = stream.readLine()
-                    if text in line:
-                        found_files.append(files[i])
-                        break
-
-        progress_dialog.close()
-
-        return found_files
-
-    def show_files(self, files):
-        for fn in files:
-            file = QFile(self._current_dir.absoluteFilePath(fn))
-            size = QFileInfo(file).size()
-
-            file_name_item = QTableWidgetItem(fn)
-            file_name_item.setFlags(file_name_item.flags() ^ Qt.ItemIsEditable)
-            size_kb = int((size + 1023) / 1024)
-            size_item = QTableWidgetItem(f"{size_kb} KB")
-            size_item.setTextAlignment(Qt.AlignVCenter | Qt.AlignRight)
-            size_item.setFlags(size_item.flags() ^ Qt.ItemIsEditable)
-
-            row = self._files_table.rowCount()
-            self._files_table.insertRow(row)
-            self._files_table.setItem(row, 0, file_name_item)
-            self._files_table.setItem(row, 1, size_item)
-
-        n = len(files)
-        self._files_found_label.setText(f"{n} file(s) found (Double click on a file to open it)")
-
-    def create_button(self, text, member):
-        button = QPushButton(text)
-        button.clicked.connect(member)
-        return button
-
-    def create_combo_box(self, text=""):
-        combo_box = QComboBox()
-        combo_box.setEditable(True)
-        combo_box.addItem(text)
-        combo_box.setSizePolicy(QSizePolicy.Expanding,
-                QSizePolicy.Preferred)
-        return combo_box
-
-    def create_files_table(self):
-        self._files_table = QTableWidget(0, 2)
-        self._files_table.setSelectionBehavior(QAbstractItemView.SelectRows)
-
-        self._files_table.setHorizontalHeaderLabels(("File Name", "Size"))
-        self._files_table.horizontalHeader().setSectionResizeMode(0, QHeaderView.Stretch)
-        self._files_table.verticalHeader().hide()
-        self._files_table.setShowGrid(False)
-
-        self._files_table.cellActivated.connect(self.open_file_of_item)
-
-    def open_file_of_item(self, row, column):
-        item = self._files_table.item(row, 0)
-
-        QDesktopServices.openUrl(QUrl(self._current_dir.absoluteFilePath(item.text())))
-
-
-if __name__ == '__main__':
-
-    import sys
-
-    app = QApplication(sys.argv)
-    window = Window()
-    window.show()
-    sys.exit(app.exec())
diff --git a/examples/widgets/dialogs/findfiles/findfiles.pyproject b/examples/widgets/dialogs/findfiles/findfiles.pyproject
deleted file mode 100644
index c2fae6dff..000000000
--- a/examples/widgets/dialogs/findfiles/findfiles.pyproject
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "files": ["findfiles.py"]
-}