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main.py
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from __future__ import with_statement
from PyQt4 import QtCore
from PyQt4.QtCore import SIGNAL, QSize
from PyQt4.QtGui import QMainWindow, QMenu, \
QWidget, QHBoxLayout, QFileDialog, QTabWidget, \
QDialog, QListWidget, QListWidgetItem, QVBoxLayout,\
QPushButton, QAbstractItemView, QTabBar, QApplication, \
QProgressBar, QProgressDialog
from gui.gutil import minimum_size_policy
from gui.merge import MergePanel
from gui.tracks import TrackPanel
from las.file import LasFile
class ApplicationWindow(QMainWindow):
def __init__(self):
self.tracks = []
QMainWindow.__init__(self)
minimum_size_policy(self)
self.track_panels = []
self.merge_views = []
self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
self.setWindowTitle("Curve Editor")
self.main_widget = FileTabPanel(self)
self.file_tab_panel = self.main_widget
self.file_menu = FileMenu(self)
self.menuBar().addMenu(self.file_menu)
self.tracks_menu = TracksMenu(self)
self.menuBar().addMenu(self.tracks_menu)
self.main_widget.setFocus()
self.setCentralWidget(self.main_widget)
self.updateGeometry()
def closeEvent(self, ce):
self.close()
def sizeHint(self):
return QSize(400, 700)
def track_panel_with_focus(self):
return self.file_tab_panel.currentWidget()
def create_new_track_panel(self, lasfile):
track_panel = TrackPanel(lasfile, self, self.file_tab_panel)
track_panel.add_new_track()
self.track_panels.append(track_panel)
self.file_tab_panel.addTab(track_panel, track_panel.curve_source.name())
return track_panel
def create_new_merge_view(self, track_panels):
merge_view = MergePanel([tv.curve_source for tv in track_panels], None)
self.merge_views.append(merge_view)
self.file_tab_panel.addTab(merge_view, merge_view.name)
class FileTabPanel(QTabWidget):
def __init__(self, main_window):
QTabWidget.__init__(self, main_window)
class FileMenu(QMenu):
def __init__(self, parent):
self.app_window = parent
QMenu.__init__(self, '&File', parent)
self.addAction('&Open', self.open,
QtCore.Qt.CTRL + QtCore.Qt.Key_O)
self.addAction('&Save', self.save,
QtCore.Qt.CTRL + QtCore.Qt.Key_S)
self.addAction('&Save As', self.save_as)
self.addAction('&Quit', self.quit,
QtCore.Qt.CTRL + QtCore.Qt.Key_Q)
def open(self):
dialog = QFileDialog(self, "Open LAS")
dialog.setFileMode(QFileDialog.ExistingFiles)
if dialog.exec_():
filenames = dialog.selectedFiles()
show_progress = len(filenames) > 1
if show_progress:
progress = QProgressDialog(self.app_window)
progress.forceShow()
progress.setMinimum(0)
progress.setMaximum(len(filenames) - 1)
for filename in filenames:
if LasFile.is_lasfile(filename):
lasfile = LasFile.from_(filename)
if show_progress:
progress.setValue(progress.value() + 1)
else:
raise "%s is not a las file!!" % filename
self.app_window.create_new_track_panel(lasfile)
if show_progress:
progress.hide()
def save(self):
track_panel = self.app_window.track_panel_with_focus()
lasfile = track_panel.curve_source
filename = lasfile.path
with open(filename, "w") as f:
f.write(lasfile.to_las())
def save_as(self):
track_panel = self.app_window.track_panel_with_focus()
lasfile = track_panel.curve_source
dialog = QFileDialog(self, "Save As")
dialog.setAcceptMode(QFileDialog.AcceptSave)
if dialog.exec_():
filename, = dialog.selectedFiles()
with open(filename, "w") as f:
f.write(lasfile.to_las())
def quit(self):
QApplication.quit()
class TracksMenu(QMenu):
def __init__(self, main_window):
self.main_window = main_window
QMenu.__init__(self, '&Tracks', main_window)
self.addAction('&Add', self.add_track)
self.addAction('&Remove', self.remove_track)
self.addAction('&Merge', self.merge_tracks)
self.addAction('&Set Index', self.set_index)
def add_track(self):
track_panel = self.main_window.track_panel_with_focus()
track_panel.add_new_track()
for tp in self.main_window.track_panels:
tp.layout.invalidate()
def remove_track(self):
track_panel = self.main_window.track_panel_with_focus()
track_panel.remove_track()
def merge_tracks(self):
dialog = MergeDialog(self.main_window.track_panels)
if dialog.exec_():
track_panels = dialog.selected_track_panels()
self.main_window.create_new_merge_view(track_panels)
def set_index(self):
track_panel = self.main_window.track_panel_with_focus()
dialog = IndexDialog(track_panel)
if dialog.exec_():
new_index = dialog.index()
track_panel.set_index(new_index)
class IndexDialog(QDialog):
def __init__(self, track_panel, parent = None):
QDialog.__init__(self, parent)
self.track_panel = track_panel
self.layout = QVBoxLayout(self)
self.list = QListWidget(self)
curve_names = self.track_panel.curve_source.available_curves()
for curve_name in curve_names:
self.list.addItem(QListWidgetItem(curve_name, self.list))
self.ok_button = QPushButton("ok", self)
minimum_size_policy(self.ok_button)
QWidget.connect(self.ok_button, SIGNAL("clicked()"),
self.accept)
self.list.updateGeometry()
self.layout.addWidget(self.list)
self.layout.addWidget(self.ok_button)
self.updateGeometry()
self.adjustSize()
def index(self):
selected, = self.list.selectedItems()
return selected.text()
class MergeDialog(QDialog):
def __init__(self, track_panels, parent = None):
QDialog.__init__(self, parent)
self.track_panels = track_panels
self.layout = QVBoxLayout(self)
self.list = QListWidget(self)
self.list.setSelectionMode(QAbstractItemView.MultiSelection)
for tv in track_panels:
name = tv.curve_source.name()
self.list.addItem(QListWidgetItem(name, self.list))
self.ok_button = QPushButton("ok", self)
minimum_size_policy(self.ok_button)
QWidget.connect(self.ok_button, SIGNAL("clicked()"),
self.accept)
self.list.updateGeometry()
self.layout.addWidget(self.list)
self.layout.addWidget(self.ok_button)
self.updateGeometry()
self.adjustSize()
def selected_track_panels(self):
selected = self.list.selectedItems()
names = [s.text() for s in selected]
return [tv for tv in self.track_panels
if tv.curve_source.name() in names]
if __name__ == '__main__':
import sys
qapp = QApplication(sys.argv)
window = ApplicationWindow()
window.show()
qapp.exec_()