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107 suodatus kaavamääräyksille ja kaavamääräysryhmille #108
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nmaarnio
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107-suodatus-kaavamääräyksille-ja-kaavamääräysryhmille
Jan 16, 2025
The head ref may contain hidden characters: "107-suodatus-kaavam\u00E4\u00E4r\u00E4yksille-ja-kaavam\u00E4\u00E4r\u00E4ysryhmille"
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88 changes: 88 additions & 0 deletions
88
arho_feature_template/gui/components/tree_with_search_widget.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| from __future__ import annotations | ||
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| from typing import Any | ||
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| from qgis.gui import QgsFilterLineEdit | ||
| from qgis.PyQt.QtCore import Qt | ||
| from qgis.PyQt.QtWidgets import QSizePolicy, QTreeWidget, QTreeWidgetItem, QVBoxLayout, QWidget | ||
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| class TreeWithSearchWidget(QWidget): | ||
| """A widget combining a QTreeWidget and QgsFilterLineEdit.""" | ||
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| def __init__(self): | ||
| super().__init__() | ||
| self.search = QgsFilterLineEdit(self) | ||
| self.search.setShowClearButton(True) | ||
| self.search.setShowSearchIcon(True) | ||
| self.search.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed) | ||
| self.search.valueChanged.connect(self.filter_tree_items) | ||
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| self.tree = QTreeWidget(self) | ||
| self.tree.setHeaderHidden(True) | ||
| self.tree.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Expanding) | ||
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| layout = QVBoxLayout() | ||
| layout.addWidget(self.search) | ||
| layout.addWidget(self.tree) | ||
| self.setLayout(layout) | ||
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| self.setContentsMargins(0, 0, 0, 0) | ||
| layout.setContentsMargins(0, 0, 0, 0) | ||
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| def add_item_to_tree( | ||
| self, text: str | None, model: Any | None = None, parent: QTreeWidgetItem | None = None | ||
| ) -> QTreeWidgetItem: | ||
| item = QTreeWidgetItem(parent) | ||
| if text: | ||
| item.setText(0, text) | ||
| item.setToolTip(0, text) # Set text as tooltip in case the tree width is not enough to show item text | ||
| if model: | ||
| item.setData(0, Qt.UserRole, model) | ||
| if not parent: | ||
| self.tree.addTopLevelItem(item) | ||
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| return item | ||
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| def filter_tree_items(self): | ||
| search_text = self.search.value().lower() | ||
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| # Iterate over all group (top-level) items in the tree | ||
| for i in range(self.tree.topLevelItemCount()): | ||
| group_item = self.tree.topLevelItem(i) | ||
| group_item.setHidden(True) # Initially hide the top-level item | ||
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| matches_group = search_text in group_item.text(0).lower() | ||
| if matches_group: | ||
| # If group matches, show it and all its children | ||
| self.show_all_children(group_item) | ||
| group_item.setHidden(False) | ||
| else: | ||
| # Otherwise, recursively filter its children | ||
| matches_child = self.filter_children(group_item, search_text) | ||
| group_item.setHidden(not matches_child) | ||
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| def filter_children(self, parent_item: QTreeWidgetItem, search_text: str) -> bool: | ||
| """Recursively filter children and return True if any child matches.""" | ||
| has_match = False | ||
| for i in range(parent_item.childCount()): | ||
| child = parent_item.child(i) | ||
| matches = search_text in child.text(0).lower() | ||
| child.setHidden(not matches) | ||
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| if child.childCount() > 0: | ||
| matches |= self.filter_children(child, search_text) | ||
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| if matches: | ||
| has_match = True | ||
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| return has_match | ||
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| def show_all_children(self, parent_item: QTreeWidgetItem): | ||
| """Show the parent item and all its children recursively.""" | ||
| parent_item.setHidden(False) | ||
| for i in range(parent_item.childCount()): | ||
| child = parent_item.child(i) | ||
| child.setHidden(False) | ||
| if child.childCount() > 0: | ||
| self.show_all_children(child) | ||
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Tää on tosiaan aika simppeli widget eikä niin väliä, mutta oliko joku syy miksi tätä ei tehty Designerilla ui-tiedostoksi?
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Eipä juuri. Taisin vaan ajatella, että kivempi laittaa yhteen tiedostoon kun mahtui hyvin / oli sen verran vähän alustuskoodia