Source code for tuiview.vectorquerywindow

"""
Module that contains the VectorQueryDockWidget
"""

# This file is part of 'TuiView' - a simple Raster viewer
# Copyright (C) 2012  Sam Gillingham
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

from PyQt5.QtWidgets import QDockWidget, QAction, QWidget, QToolBar
from PyQt5.QtWidgets import QVBoxLayout, QTreeWidget, QTreeWidgetItem
from PyQt5.QtGui import QIcon
from PyQt5.QtCore import pyqtSignal

[docs]class VectorQueryDockWidget(QDockWidget): """ Dockable window that is a combined profile and ruler """ queryClosed = pyqtSignal(QDockWidget, name='queryClosed') def __init__(self, parent): QDockWidget.__init__(self, "Vector Query", parent) # create a new widget that lives in the dock window self.dockWidget = QWidget() self.mainLayout = QVBoxLayout() self.toolBar = QToolBar(self.dockWidget) self.setupActions() self.setupToolbar() self.mainLayout.addWidget(self.toolBar) self.treeWidget = QTreeWidget(self) self.treeWidget.setColumnCount(2) self.treeWidget.setHeaderLabels(["Field", "Value"]) self.mainLayout.addWidget(self.treeWidget) self.dockWidget.setLayout(self.mainLayout) # tell the dock window this is the widget to display self.setWidget(self.dockWidget) self.resize(400, 400)
[docs] def setupActions(self): """ Create the actions to be shown on the toolbar """ self.followAction = QAction(self) self.followAction.setText("&Follow Vector Query Tool") self.followAction.setStatusTip("Follow Vector Query Tool") self.followAction.setIcon(QIcon(":/viewer/images/queryvector.png")) self.followAction.setCheckable(True) self.followAction.setChecked(True)
[docs] def setupToolbar(self): """ Add the actions to the toolbar """ self.toolBar.addAction(self.followAction)
[docs] def vectorLocationSelected(self, results, layer): """ called in response to vectorLocationSelected signal """ if not self.followAction.isChecked(): return title = "Vector Query: %s" % layer.title self.setWindowTitle(title) self.treeWidget.clear() for result in results: item = QTreeWidgetItem(["Feature", ""]) for key in sorted(result.keys()): child = QTreeWidgetItem([key, result[key]]) item.addChild(child) self.treeWidget.addTopLevelItem(item) self.treeWidget.expandItem(item)
[docs] def closeEvent(self, event): """ Window is being closed - inform parent window """ self.queryClosed.emit(self)