import sys, os ## make sure this pyqtgraph is importable before any others sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..')) from pyqtgraph.Qt import QtCore, QtGui, USE_PYSIDE if USE_PYSIDE: from exampleLoaderTemplate_pyside import Ui_Form else: from exampleLoaderTemplate_pyqt import Ui_Form import os, sys from pyqtgraph.pgcollections import OrderedDict examples = OrderedDict([ ('Command-line usage', 'CLIexample.py'), ('Basic Plotting', 'Plotting.py'), ('ImageView', 'ImageView.py'), ('ParameterTree', 'parametertree.py'), ('Crosshair / Mouse interaction', 'crosshair.py'), ('Data Slicing', 'DataSlicing.py'), ('Plot Customization', 'customPlot.py'), ('Dock widgets', 'dockarea.py'), ('Console', 'ConsoleWidget.py'), ('Histograms', 'histogram.py'), ('GraphicsItems', OrderedDict([ ('Scatter Plot', 'ScatterPlot.py'), #('PlotItem', 'PlotItem.py'), ('IsocurveItem', 'isocurve.py'), ('ImageItem - video', 'ImageItem.py'), ('ImageItem - draw', 'Draw.py'), ('Region-of-Interest', 'ROIExamples.py'), ('GraphicsLayout', 'GraphicsLayout.py'), ('LegendItem', 'Legend.py'), ('Text Item', 'text.py'), ('Linked Views', 'linkedViews.py'), ('Arrow', 'Arrow.py'), ('ViewBox', 'ViewBox.py'), ])), ('Benchmarks', OrderedDict([ ('Video speed test', 'VideoSpeedTest.py'), ('Line Plot update', 'PlotSpeedTest.py'), ('Scatter Plot update', 'ScatterPlotSpeedTest.py'), ])), ('3D Graphics', OrderedDict([ ('Volumetric', 'GLVolumeItem.py'), ('Isosurface', 'GLMeshItem.py'), ('Image', 'GLImageItem.py'), ('Scatter Plot', 'GLScatterPlotItem.py'), ])), ('Widgets', OrderedDict([ ('PlotWidget', 'PlotWidget.py'), ('SpinBox', 'SpinBox.py'), ('ConsoleWidget', 'ConsoleWidget.py'), ('TreeWidget', 'TreeWidget.py'), ('DataTreeWidget', 'DataTreeWidget.py'), ('GradientWidget', 'GradientWidget.py'), #('TableWidget', '../widgets/TableWidget.py'), ('ColorButton', 'ColorButton.py'), #('CheckTable', '../widgets/CheckTable.py'), #('VerticalLabel', '../widgets/VerticalLabel.py'), ('JoystickButton', 'JoystickButton.py'), ])), ('GraphicsScene', 'GraphicsScene.py'), ('Flowcharts', 'Flowchart.py'), #('Canvas', '../canvas'), #('MultiPlotWidget', 'MultiPlotWidget.py'), ]) path = os.path.abspath(os.path.dirname(__file__)) class ExampleLoader(QtGui.QMainWindow): def __init__(self): QtGui.QMainWindow.__init__(self) self.ui = Ui_Form() self.cw = QtGui.QWidget() self.setCentralWidget(self.cw) self.ui.setupUi(self.cw) global examples self.populateTree(self.ui.exampleTree.invisibleRootItem(), examples) self.ui.exampleTree.expandAll() self.resize(1000,500) self.show() self.ui.splitter.setSizes([250,750]) self.ui.loadBtn.clicked.connect(self.loadFile) self.ui.exampleTree.currentItemChanged.connect(self.showFile) self.ui.exampleTree.itemDoubleClicked.connect(self.loadFile) def populateTree(self, root, examples): for key, val in examples.items(): item = QtGui.QTreeWidgetItem([key]) if isinstance(val, basestring): item.file = val else: self.populateTree(item, val) root.addChild(item) def currentFile(self): item = self.ui.exampleTree.currentItem() if hasattr(item, 'file'): global path return os.path.join(path, item.file) return None def loadFile(self): fn = self.currentFile() if fn is None: return if sys.platform.startswith('win'): os.spawnl(os.P_NOWAIT, sys.executable, sys.executable, '"' + fn + '"') else: os.spawnl(os.P_NOWAIT, sys.executable, sys.executable, fn) def showFile(self): fn = self.currentFile() if fn is None: self.ui.codeView.clear() return if os.path.isdir(fn): fn = os.path.join(fn, '__main__.py') text = open(fn).read() self.ui.codeView.setPlainText(text) def run(): app = QtGui.QApplication([]) loader = ExampleLoader() app.exec_() if __name__ == '__main__': run()