2025-09-03 13:20:23 +02:00

817 lines
34 KiB
Python

from sqlalchemy import or_, and_, not_, String
from PyQt5.QtWidgets import QProgressBar, QMainWindow, QTableWidget, QTableWidgetItem, QLineEdit, QStyledItemDelegate, QTextEdit, QWidget, QVBoxLayout, QHBoxLayout, QPushButton, QComboBox, QStyle, QLabel
from logline_leviathan.database.database_manager import get_db_session, EntitiesTable, DistinctEntitiesTable, EntityTypesTable, ContextTable, FileMetadata, session_scope
from PyQt5.QtCore import pyqtSignal, Qt, QThread, pyqtSignal, QTimer
from PyQt5.QtGui import QTextDocument, QTextOption
from fuzzywuzzy import fuzz
import re
import logging
import html
class QueryThread(QThread):
queryCompleted = pyqtSignal(list, list) # Signal to indicate completion
def __init__(self, db_query_instance, query_text):
super(QueryThread, self).__init__()
self.db_query_instance = db_query_instance
self.query_text = query_text
def run(self):
base_query, search_terms = self.db_query_instance.prepare_query(self.query_text)
query_lambda = self.db_query_instance.parse_query(self.query_text)
# Pass the lambda function directly to filter
results = base_query.filter(query_lambda).all()
# Calculate scored results
scored_results = [(result, self.db_query_instance.calculate_match_score(result, self.query_text)) for result in results]
self.queryCompleted.emit(scored_results, search_terms)
class DatabaseGUIQuery:
def __init__(self):
self.db_session = get_db_session()
self.entity_types = EntityTypesTable
self.entities = EntitiesTable
self.distinct_entities = DistinctEntitiesTable
self.context = ContextTable
self.file_metadata = FileMetadata
def parse_query(self, query):
if not query.strip():
return lambda _: False
# Split and strip special characters for database query
tokens = re.findall(r'"[^"]+"|\S+', query)
stripped_tokens = [token.strip('+-"') for token in tokens]
filters = []
for token in stripped_tokens:
search_condition = f'%{token.replace("*", "%")}%'
condition = or_(
self.distinct_entities.distinct_entity.like(search_condition),
self.entity_types.entity_type.like(search_condition),
self.entity_types.gui_name.like(search_condition),
self.entity_types.gui_tooltip.like(search_condition),
self.entity_types.script_parser.like(search_condition),
self.file_metadata.file_name.like(search_condition),
self.file_metadata.file_path.like(search_condition),
self.file_metadata.file_mimetype.like(search_condition),
self.entities.line_number.cast(String).like(search_condition),
self.context.context_large.like(search_condition)
# Add other fields as needed
)
filters.append(condition)
return lambda: or_(*filters)
def parse_search_terms(self, query):
tokens = query.split()
search_terms = [token.lstrip('+-') for token in tokens if not token.startswith('-') and not token.startswith('+')]
return search_terms
def prepare_query(self, query):
search_terms = self.parse_search_terms(query)
# Construct the base query with proper joins
base_query = self.db_session.query(
self.distinct_entities.distinct_entity,
self.entity_types.gui_name,
self.file_metadata.file_name,
self.entities.line_number,
self.entities.entry_timestamp,
self.context.context_large
).join(
self.entities, self.distinct_entities.distinct_entities_id == self.entities.distinct_entities_id
).join(
self.file_metadata, self.entities.file_id == self.file_metadata.file_id
).join(
self.context, self.entities.entities_id == self.context.entities_id
).join(
self.entity_types, self.entities.entity_types_id == self.entity_types.entity_type_id
).distinct()
# Apply filters and return results
return base_query, search_terms
def display_results(self, results, search_terms):
self.results_window = ResultsWindow(results, search_terms)
self.results_window.show()
def calculate_match_score(self, result, query):
# Adjusted weights and thresholds
distinct_entity_weight = 4
file_name_weight = 4
timestamp_weight = 1
line_number_weight = 1
context_weight = 5
multiple_term_weight = 1
order_weight = 8 # Increased weight for exact order of terms
fuzzy_match_weight = 0.3 # More discerning fuzzy match
threshold_for_fuzzy = 90 # Higher threshold for fuzzy matches
proximity_weight = 2 # Increased weight for proximity
positive_operand_weight = 10 # Weight for terms with '+'
negative_operand_penalty = -5 # Penalty for terms with '-'
exact_match_weight = 10 # Increased weight for exact sequence match
score = 0
# Extracting operands and terms
tokens = re.findall(r'"[^"]+"|\S+', query)
processed_terms = [(token.startswith('+'), token.startswith('-'), token.strip('+-"').lower()) for token in tokens]
# Normalize result fields
lower_distinct_entity = result.distinct_entity.lower()
lower_file_name = result.file_name.lower()
timestamp_str = str(result.entry_timestamp).lower()
line_number_str = str(result.line_number).lower()
words_in_context = result.context_large.lower().split()
# Check matches in various fields with operand consideration
for is_positive, is_negative, term in processed_terms:
if term in lower_distinct_entity:
score += positive_operand_weight if is_positive else (negative_operand_penalty if is_negative else distinct_entity_weight)
if term in lower_file_name:
score += positive_operand_weight if is_positive else (negative_operand_penalty if is_negative else file_name_weight)
if term in timestamp_str:
score += positive_operand_weight if is_positive else (negative_operand_penalty if is_negative else timestamp_weight)
if term in line_number_str:
score += positive_operand_weight if is_positive else (negative_operand_penalty if is_negative else line_number_weight)
if term in words_in_context:
score += positive_operand_weight if is_positive else (negative_operand_penalty if is_negative else context_weight)
# Creating a cleaned substring of search terms in the exact order they appear in the query
exact_terms_substring = ' '.join([token.strip('+-"').lower() for token in tokens])
# Check for exact order of terms in the context
if exact_terms_substring and exact_terms_substring in ' '.join(words_in_context):
score += exact_match_weight
# Check for exact order of terms
if '"' in query:
exact_query = ' '.join(term for _, _, term in processed_terms)
if exact_query in ' '.join(words_in_context):
score += order_weight
# Additional weight for multiple different terms
unique_terms = set(term for _, _, term in processed_terms)
score += len(unique_terms) * multiple_term_weight
# Proximity score calculation
for _, _, term in processed_terms:
if term in words_in_context:
# Find the positions of the term and the entity in the context
term_pos = words_in_context.index(term)
entity_pos = words_in_context.index(lower_distinct_entity) if lower_distinct_entity in words_in_context else 0
# Calculate the distance and adjust the score
distance = abs(term_pos - entity_pos)
proximity_score = max(0, proximity_weight - distance * 0.01) # Reduce score based on distance
score += proximity_score
# Fuzzy matching
all_text = f"{result.distinct_entity} {result.file_name} {result.entry_timestamp} {result.line_number} {result.context_large}".lower()
for _, _, term in processed_terms:
fuzzy_score = max(fuzz.partial_ratio(term, word) for word in all_text.split())
if fuzzy_score > threshold_for_fuzzy:
score += (fuzzy_score / 100) * fuzzy_match_weight
# Normalize the score
max_possible_positive_score = (
distinct_entity_weight + file_name_weight +
timestamp_weight + line_number_weight +
context_weight * len(processed_terms) + # Assuming each term can match in the context
order_weight + exact_match_weight +
len(processed_terms) * multiple_term_weight + # Each term contributes to multiple_term_weight
len(processed_terms) * positive_operand_weight # Each term could have a positive operand
)
# Considering the negative operand penalty
max_possible_negative_score = len(processed_terms) * negative_operand_penalty
# The maximum score is the sum of the possible positive score and the absolute value of the possible negative score
max_possible_score = max_possible_positive_score + abs(max_possible_negative_score)
# Normalizing the score to a scale of 100
score = (score / max_possible_score) * 100
return score
def get_entity_types(self):
with session_scope() as session:
# Query to filter entity types that have either regex_pattern or script_parser
return [entity_type.gui_name for entity_type in session.query(EntityTypesTable)
.filter(or_(EntityTypesTable.regex_pattern.isnot(None),
EntityTypesTable.script_parser.isnot(None)))
.all()]
COLUMN_WIDTHS = [200, 100, 250, 100, 120, 600, 80] # Adjust these values as needed
COLUMN_NAMES = ['Distinct Entity', 'Entity Type', 'File Name', 'Line Number', 'Timestamp', 'Context', 'Match Score']
DEFAULT_ROW_HEIGHT = 120
FILTER_EDIT_WIDTH = 150
class ResultsWindow(QMainWindow):
def __init__(self, db_query_instance, parent=None):
super(ResultsWindow, self).__init__(parent)
self.db_query_instance = db_query_instance
self.loaded_data_count = 0
self.total_data = []
self.current_filters = {}
self.setWindowTitle("Suchergebnis")
self.setGeometry(800, 600, 1500, 600) # Adjust size as needed
# Create central widget and set layout
centralWidget = QWidget(self)
self.setCentralWidget(centralWidget)
mainLayout = QVBoxLayout(centralWidget)
queryFieldLayout = QHBoxLayout()
self.databaseQueryLineEdit = QueryLineEdit(self)
self.databaseQueryLineEdit.setPlaceholderText(" Suchbegriff eingeben...")
self.databaseQueryLineEdit.returnPressed.connect(self.execute_query_from_results_window)
self.databaseQueryLineEdit.setStyleSheet("""
QLineEdit {
background-color: #3C4043;
color: white;
min-height: 20px;
}
""")
queryFieldLayout.addWidget(self.databaseQueryLineEdit)
# Create a progress bar for query in progress
self.queryProgressBar = QProgressBar(self)
self.queryProgressBar.setRange(0, 1) # Indeterminate mode
self.queryProgressBar.setFixedWidth(100) # Initially hidden
queryFieldLayout.addWidget(self.queryProgressBar)
executeQueryButton = QPushButton("Suche ausführen", self)
executeQueryButton.clicked.connect(self.execute_query_from_results_window)
queryFieldLayout.addWidget(executeQueryButton)
mainLayout.addLayout(queryFieldLayout)
# Create a horizontal layout for filter options
filterLayout = QHBoxLayout()
mainLayout.addLayout(filterLayout)
# Add the table widget to the main layout
self.tableWidget = QTableWidget()
mainLayout.addWidget(self.tableWidget)
# Updated stylesheet for the entire ResultsWindow
stylesheet = """
/* Styles for QTableWidget and headers */
QTableWidget, QHeaderView::section {
background-color: #2A2F35;
color: white;
border: 1px solid #4A4A4A;
}
/* Style for QLineEdit */
QLineEdit {
background-color: #3A3F44;
color: white;
border: 1px solid #4A4A4A;
}
/* Style for QPushButton */
QPushButton {
background-color: #4B5563;
color: white;
border-radius: 4px;
padding: 5px;
margin: 5px;
}
QPushButton:hover {
background-color: #5C677D;
}
QPushButton:pressed {
background-color: #2A2F35;
}
/* Style for empty rows and other areas */
QWidget {
background-color: #2A2F35;
color: white;
}
"""
self.setStyleSheet(stylesheet)
# Apply default row height after setting up the table
self.tableWidget.verticalHeader().setDefaultSectionSize(DEFAULT_ROW_HEIGHT)
self.clearAllButton = QPushButton("Alle Filteroptionen loeschen", self)
self.clearAllButton.clicked.connect(self.clear_all_filters)
filterLayout.addWidget(self.clearAllButton)
# Adding filter options after table setup
self.entityTypeComboBox = QComboBox()
filterLayout.addWidget(self.entityTypeComboBox)
# Initialize filterWidgets before calling setup_table
self.filterWidgets = []
# Create and add QLineEdit widgets to the filter layout
for i, column_name in enumerate(COLUMN_NAMES):
# Skipping the filter creation for certain columns
if column_name in ['Entity Type', 'Context']:
continue
filter_edit = QLineEdit(self)
filter_edit.setFixedWidth(FILTER_EDIT_WIDTH)
filter_edit.setPlaceholderText(f"Filtern nach {column_name}")
filter_edit.textChanged.connect(lambda text, col=i: self.apply_filter(text, col))
self.filterWidgets.append(filter_edit)
filterLayout.addWidget(filter_edit)
self.dataLoadTimer = QTimer(self)
self.dataLoadTimer.timeout.connect(self.load_more_data)
# Create and add the Dismiss button
self.dismissButton = QPushButton("Schließen", self)
self.dismissButton.clicked.connect(self.dataLoadTimer.stop)
self.dismissButton.clicked.connect(self.close)
mainLayout.addWidget(self.dismissButton)
self.populate_entity_type_combobox()
# Adjust column widths and filter widgets' widths
self.adjust_column_widths()
#self.tableWidget.verticalScrollBar().valueChanged.connect(self.check_scroll)
def populate_entity_type_combobox(self):
entity_types = DatabaseGUIQuery().get_entity_types()
self.entityTypeComboBox.addItem("Alle verfügbaren Typen", None) # Default option
for entity_type in entity_types:
self.entityTypeComboBox.addItem(entity_type, entity_type)
self.entityTypeComboBox.currentIndexChanged.connect(self.filter_by_entity_type)
def clear_table(self):
self.tableWidget.clear()
self.tableWidget.setRowCount(0)
self.tableWidget.setColumnCount(0)
def adjust_column_widths(self):
for column, width in enumerate(COLUMN_WIDTHS):
self.tableWidget.setColumnWidth(column, width)
def execute_query_from_results_window(self):
self.dataLoadTimer.start(2000)
query_text = self.databaseQueryLineEdit.text()
if not query_text:
return
self.clear_table()
self.queryProgressBar.setRange(0, 0)
self.query_thread = QueryThread(self.db_query_instance, query_text)
self.query_thread.queryCompleted.connect(self.on_query_completed)
self.query_thread.start()
def set_query_and_execute(self, query_text):
self.databaseQueryLineEdit.setText(query_text)
self.execute_query_from_results_window()
def on_query_completed(self, results, search_terms):
logging.debug(f"Query completed with {len(results)} results") # Debug statementself.queryProgressBar.setRange(0, 1)
self.total_data = results
self.search_terms = search_terms
self.loaded_data_count = 0
self.setup_table(search_terms)
self.apply_all_filters()
def setup_table(self, search_terms=[]):
# Set up the table columns and headers
self.tableWidget.setColumnCount(7)
self.tableWidget.setHorizontalHeaderLabels(['Distinct Entity', 'Entity Type', 'File Name', 'Line Number', 'Timestamp', 'Context', 'Match Score'])
highlight_delegate = HighlightDelegate(self, search_terms)
self.tableWidget.setItemDelegateForColumn(0, highlight_delegate)
self.tableWidget.setItemDelegateForColumn(1, highlight_delegate)
self.tableWidget.setItemDelegateForColumn(3, highlight_delegate)
# Apply column widths
self.adjust_column_widths()
# Disable sorting when initially populating data
self.tableWidget.setSortingEnabled(False)
# Load initial subset of data
self.load_more_data()
# Enable sorting by 'Match Score' after data is populated
self.tableWidget.setSortingEnabled(True)
self.tableWidget.sortItems(6, Qt.DescendingOrder)
def add_table_row(self, row_index, result, score):
self.tableWidget.insertRow(row_index)
# Distinct Entity with highlighting
distinct_entity_item = QTableWidgetItem(str(result[0]))
self.tableWidget.setItem(row_index, 0, distinct_entity_item)
# Entity Type
entity_type_item = QTableWidgetItem(str(result[1]))
self.tableWidget.setItem(row_index, 1, entity_type_item)
# File Name - using CellWidget
file_name_widget = CellWidget(str(result[2]), self.filterWidgets[1], self.search_terms)
self.tableWidget.setCellWidget(row_index, 2, file_name_widget)
file_name_item = QTableWidgetItem()
file_name_item.setData(Qt.UserRole, str(result[2]))
self.tableWidget.setItem(row_index, 2, file_name_item)
# Line Number
line_number_item = QTableWidgetItem(str(result[3]))
self.tableWidget.setItem(row_index, 3, line_number_item)
# Timestamp - using CellWidget
timestamp_widget = CellWidget(str(result[4]), self.filterWidgets[3], self.search_terms)
self.tableWidget.setCellWidget(row_index, 4, timestamp_widget)
timestamp_item = QTableWidgetItem()
timestamp_item.setData(Qt.UserRole, str(result[4]))
self.tableWidget.setItem(row_index, 4, timestamp_item)
# Context - using ScrollableTextWidget
scrollable_widget = ScrollableTextWidget(result[5], self.search_terms, str(result[0]))
self.tableWidget.setCellWidget(row_index, 5, scrollable_widget)
# Match Score
match_score_item = NumericTableWidgetItem("{:.4f}".format(float(score)))
self.tableWidget.setItem(row_index, 6, match_score_item)
# Apply highlight delegate if needed
highlight_delegate = HighlightDelegate(self, self.search_terms)
self.tableWidget.setItemDelegateForRow(row_index, highlight_delegate)
# Restore sorting, if it was enabled
self.tableWidget.setSortingEnabled(True)
# Check if total rows exceed 100 and remove the lowest 20% if so
if self.tableWidget.rowCount() > 500:
self.remove_lowest_scoring_rows(10) # 20% to be removed
def load_more_data(self):
if not self.is_new_data_available():
return # No new data available, just return
start_index = self.loaded_data_count
chunk_size = 50 # Adjust this number based on performance
end_index = min(start_index + chunk_size, len(self.total_data))
# Calculate the average match score of the current items
average_score = self.calculate_average_score()
# Sort the chunk by match score in descending order
sorted_chunk = sorted(self.total_data[start_index:end_index], key=lambda x: x[1], reverse=True)
for row_data in sorted_chunk:
score = row_data[1]
if score > average_score:
row_index = start_index + len(sorted_chunk) # Adjust index based on the sorted chunk
if self.matches_current_filters(row_index, row_data):
self.insert_row_in_sorted_order(row_data)
# Reapply filters after loading new data
self.apply_all_filters()
# Update loaded_data_count or other mechanism to keep track of processed data
self.update_data_tracking(end_index)
self.tableWidget.update() # Refresh the table
def remove_lowest_scoring_rows(self, percentage):
total_rows = self.tableWidget.rowCount()
rows_to_remove = total_rows * percentage // 100
# Collect scores and associated row indices
score_rows = []
for row in range(total_rows):
score_item = self.tableWidget.item(row, 6) # Assuming column 6 is Match Score
if score_item:
score_rows.append((float(score_item.text()), row))
# Sort by scores (ascending) and select the lowest ones
score_rows.sort(key=lambda x: x[0])
lowest_score_rows = score_rows[:rows_to_remove]
# Remove rows with the lowest scores
for _, row in sorted(lowest_score_rows, key=lambda x: x[1], reverse=True):
self.tableWidget.removeRow(row)
def is_new_data_available(self):
return self.loaded_data_count < len(self.total_data)
def calculate_average_score(self):
total_score = 0
row_count = self.tableWidget.rowCount()
for row_index in range(row_count):
score_item = self.tableWidget.item(row_index, 6) # Assuming column 6 is Match Score
total_score += float(score_item.text()) if score_item else 0
return total_score / row_count if row_count > 0 else 0
def update_data_tracking(self, end_index):
# Update loaded_data_count or implement other mechanism to keep track of processed data
self.loaded_data_count = end_index
def insert_row_in_sorted_order(self, row_data):
row_index = 0
score = row_data[1]
# Find the correct position based on match score
while row_index < self.tableWidget.rowCount():
current_score_item = self.tableWidget.item(row_index, 6) # Assuming column 6 is Match Score
current_score = float(current_score_item.text()) if current_score_item else 0
if score > current_score:
break
row_index += 1
self.add_table_row(row_index, row_data[0], score)
def matches_current_filters(self, row_index, row_data):
for column, filter_text in self.current_filters.items():
if not self.is_match(row_index, column, filter_text, row_data):
return False
return True
def is_match(self, row_index, column, filter_text, row_data):
# Extract text from the cell or widget
widget = self.tableWidget.cellWidget(row_index, column)
if isinstance(widget, CellWidget):
# CellWidget contains a QLabel with HTML-formatted text
document = QTextDocument()
document.setHtml(widget.label.text())
text = document.toPlainText()
elif isinstance(widget, ScrollableTextWidget):
# ScrollableTextWidget contains a QTextEdit with HTML-formatted text
text = widget.text_edit.toPlainText()
else:
# Standard QTableWidgetItem
item = self.tableWidget.item(row_index, column)
text = item.text() if item else ""
# Compare the extracted plain text with the filter text
return filter_text.lower() in text.lower()
def apply_filter(self, text, column):
self.current_filters[column] = text.lower()
self.apply_all_filters()
def extract_row_data(self, row_index):
# Construct row_data from the table content
row_data = []
for column in range(self.tableWidget.columnCount()):
cell_data = self.get_cell_data(row_index, column)
row_data.append(cell_data)
return row_data
def get_cell_data(self, row_index, column):
widget = self.tableWidget.cellWidget(row_index, column)
if isinstance(widget, CellWidget):
document = QTextDocument()
document.setHtml(widget.label.text())
return document.toPlainText()
elif isinstance(widget, ScrollableTextWidget):
return widget.text_edit.toPlainText()
else:
item = self.tableWidget.item(row_index, column)
return item.text() if item else ""
def apply_all_filters(self):
for row_index in range(self.tableWidget.rowCount()):
row_data = self.extract_row_data(row_index)
if self.matches_current_filters(row_index, row_data):
self.tableWidget.showRow(row_index)
else:
self.tableWidget.hideRow(row_index)
def filter_by_entity_type(self):
selected_type = self.entityTypeComboBox.currentData()
#logging.debug(f"Filtering by entity type: {selected_type}")
# Update the current filters dictionary
entity_type_column = COLUMN_NAMES.index('Entity Type') # Assuming 'Entity Type' is one of the column names
if selected_type is None:
# Clear the filter for entity type if 'All Entity Types' is selected
if entity_type_column in self.current_filters:
del self.current_filters[entity_type_column]
else:
# Set the filter for entity type
self.current_filters[entity_type_column] = selected_type.lower()
# Reapply all filters including the entity type filter
self.apply_all_filters()
def on_filter_change(self):
# Reapply all filters
self.apply_all_filters()
def clear_all_filters(self):
for filter_widget in self.filterWidgets:
filter_widget.clear()
self.current_filters.clear() # Clear all filters
#logging.debug("All filters cleared")
for row in range(self.tableWidget.rowCount()):
self.tableWidget.showRow(row) # Show all rows
# Optionally reapply entity type filter if it should be independent
self.filter_by_entity_type()
@staticmethod
def strip_html_tags(text):
return re.sub('<[^<]+?>', '', text)
class QueryLineEdit(QLineEdit):
returnPressed = pyqtSignal()
def keyPressEvent(self, event):
if event.key() == Qt.Key_Return:
self.returnPressed.emit()
else:
super().keyPressEvent(event)
class HighlightDelegate(QStyledItemDelegate):
def __init__(self, parent=None, search_terms=None):
super().__init__(parent)
self.search_terms = search_terms or []
def paint(self, painter, option, index):
painter.save()
# Set text color and other options
options = QTextOption()
options.setWrapMode(QTextOption.WrapAtWordBoundaryOrAnywhere)
document = QTextDocument()
document.setDefaultTextOption(options)
document.setDefaultFont(option.font)
# Prepare highlighted text
text = index.model().data(index)
highlighted_text = self.get_highlighted_text(text)
document.setHtml(highlighted_text)
# Set the width of the document to the cell width
document.setTextWidth(option.rect.width())
# Draw the contents
painter.translate(option.rect.topLeft())
document.drawContents(painter)
painter.restore()
def get_highlighted_text(self, text):
if text is None:
text = ""
text_with_color = f"<span style='color: white;'>{text}</span>"
for term in self.search_terms:
# Retain the '+' at the beginning and strip other special characters
is_positive = term.startswith('+')
clean_term = re.sub(r'[^\w\s]', '', term.lstrip('+-')).lower()
if is_positive and clean_term.lower() in text.lower():
# Use regex for case-insensitive search and replace
regex = re.compile(re.escape(clean_term), re.IGNORECASE)
highlighted_term = f"<span style='background-color: yellow; color: black;'>{clean_term}</span>"
text_with_color = regex.sub(highlighted_term, text_with_color)
return text_with_color.replace("\n", "<br>")
class ScrollableTextWidget(QWidget):
def __init__(self, text, search_terms, distinct_entity, parent=None):
super().__init__(parent)
layout = QVBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
self.text_edit = CustomTextEdit(self)
self.text_edit.setReadOnly(True)
# Apply styles including scrollbar styles
self.text_edit.setStyleSheet("""
QTextEdit {
background-color: #2A2F35; /* Dark blue-ish background */
color: white; /* White text */
}
QTextEdit QScrollBar:vertical {
border: none;
background-color: #3A3F44; /* Dark scrollbar background */
width: 8px; /* Width of the scrollbar */
}
QTextEdit QScrollBar::handle:vertical {
background-color: #6E6E6E; /* Scroll handle color */
border-radius: 4px; /* Rounded corners for the handle */
}
QTextEdit QScrollBar::add-line:vertical, QTextEdit QScrollBar::sub-line:vertical {
background: none;
}
""")
# Set the text with highlighting
self.setHighlightedText(text, search_terms, distinct_entity)
layout.addWidget(self.text_edit)
# Scroll to the distinct entity
self.scroll_to_text(distinct_entity)
def setHighlightedText(self, text, search_terms, distinct_entity):
if text is None:
text = ""
# Wrap the original text in a span to maintain color
text_with_color = f"<span style='color: white;'>{text}</span>"
# Highlight distinct entity in a different color
if distinct_entity:
distinct_entity_escaped = html.escape(distinct_entity)
text_with_color = re.sub(
re.escape(distinct_entity_escaped),
lambda match: f"<span style='background-color: blue; color: white;'>{match.group()}</span>",
text_with_color,
flags=re.IGNORECASE
)
for term in search_terms:
# Check if the term starts with '+'
is_positive = term.startswith('+')
clean_term = re.sub(r'[^\w\s]', '', term.lstrip('+-'))
# If the term starts with '+', highlight all matches regardless of case
if is_positive or clean_term.lower() in text.lower():
regex = re.compile(re.escape(clean_term), re.IGNORECASE)
highlighted_term = f"<span style='background-color: yellow; color: black;'>{clean_term}</span>"
text_with_color = regex.sub(highlighted_term, text_with_color)
self.text_edit.setHtml(text_with_color.replace("\n", "<br>"))
def scroll_to_text(self, text):
if text:
cursor = self.text_edit.document().find(text)
self.text_edit.setTextCursor(cursor)
class CustomTextEdit(QTextEdit):
def __init__(self, parent=None):
super().__init__(parent)
self.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded) # Enable vertical scrollbar as needed
def wheelEvent(self, event):
# Always handle the wheel event within QTextEdit
super().wheelEvent(event)
# Stop propagation of the event to parent
if self.verticalScrollBar().isVisible():
event.accept()
else:
event.ignore()
class CellWidget(QWidget):
def __init__(self, text, filter_edit, search_terms, parent=None):
super(CellWidget, self).__init__(parent)
self.layout = QHBoxLayout(self)
self.label = QLabel(text)
self.setHighlightedText(text, search_terms)
self.button = QPushButton()
icon = self.button.style().standardIcon(QStyle.SP_CommandLink) # Example of a standard icon
self.button.setIcon(icon)
self.button.setFixedSize(20, 20) # Adjust size as needed
self.button.clicked.connect(lambda: filter_edit.setText(text))
self.layout.addWidget(self.label)
self.layout.addWidget(self.button)
self.layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(self.layout)
def setHighlightedText(self, text, search_terms):
if text is None:
text = ""
# Wrap the original text in a span to maintain color
text_with_color = f"<span style='color: white;'>{text}</span>"
for term in search_terms:
# Strip leading operands (+ or -) and special characters
clean_term = re.sub(r'[^\w\s]', '', term.lstrip('+-'))
# Use regex for case-insensitive search and replace
regex = re.compile(re.escape(clean_term), re.IGNORECASE)
highlighted_term = f"<span style='background-color: yellow; color: black;'>{clean_term}</span>"
text_with_color = regex.sub(highlighted_term, text_with_color)
self.label.setText(text_with_color)
class NumericTableWidgetItem(QTableWidgetItem):
def __lt__(self, other):
return float(self.text()) < float(other.text())