126 lines
4.3 KiB
Python
126 lines
4.3 KiB
Python
import sys, os
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if __name__ == "__main__" and (__package__ is None or __package__==''):
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parent_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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sys.path.insert(0, parent_dir)
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import examples
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__package__ = "examples"
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import pyqtgraph as pg
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import subprocess
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from pyqtgraph.python2_3 import basestring
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from pyqtgraph.Qt import QtGui, QT_LIB
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from .utils import buildFileList, path, examples
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from .syntax import PythonHighlighter
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if QT_LIB == 'PySide':
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from .exampleLoaderTemplate_pyside import Ui_Form
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elif QT_LIB == 'PySide2':
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from .exampleLoaderTemplate_pyside2 import Ui_Form
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elif QT_LIB == 'PyQt5':
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from .exampleLoaderTemplate_pyqt5 import Ui_Form
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else:
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from .exampleLoaderTemplate_pyqt import Ui_Form
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class ExampleLoader(QtGui.QMainWindow):
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def __init__(self):
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QtGui.QMainWindow.__init__(self)
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self.ui = Ui_Form()
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self.cw = QtGui.QWidget()
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self.setCentralWidget(self.cw)
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self.ui.setupUi(self.cw)
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self.setWindowTitle("PyQtGraph Examples")
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self.codeBtn = QtGui.QPushButton('Run Edited Code')
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self.codeLayout = QtGui.QGridLayout()
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self.ui.codeView.setLayout(self.codeLayout)
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self.hl = PythonHighlighter(self.ui.codeView.document())
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self.codeLayout.addItem(QtGui.QSpacerItem(100,100,QtGui.QSizePolicy.Expanding,QtGui.QSizePolicy.Expanding), 0, 0)
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self.codeLayout.addWidget(self.codeBtn, 1, 1)
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self.codeBtn.hide()
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global examples
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self.itemCache = []
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self.populateTree(self.ui.exampleTree.invisibleRootItem(), examples)
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self.ui.exampleTree.expandAll()
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self.resize(1000,500)
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self.show()
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self.ui.splitter.setSizes([250,750])
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self.ui.loadBtn.clicked.connect(self.loadFile)
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self.ui.exampleTree.currentItemChanged.connect(self.showFile)
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self.ui.exampleTree.itemDoubleClicked.connect(self.loadFile)
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self.ui.codeView.textChanged.connect(self.codeEdited)
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self.codeBtn.clicked.connect(self.runEditedCode)
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def populateTree(self, root, examples):
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for key, val in examples.items():
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item = QtGui.QTreeWidgetItem([key])
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self.itemCache.append(item) # PyQt 4.9.6 no longer keeps references to these wrappers,
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# so we need to make an explicit reference or else the .file
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# attribute will disappear.
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if isinstance(val, basestring):
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item.file = val
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else:
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self.populateTree(item, val)
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root.addChild(item)
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def currentFile(self):
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item = self.ui.exampleTree.currentItem()
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if hasattr(item, 'file'):
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global path
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return os.path.join(path, item.file)
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return None
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def loadFile(self, edited=False):
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extra = []
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qtLib = str(self.ui.qtLibCombo.currentText())
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gfxSys = str(self.ui.graphicsSystemCombo.currentText())
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if qtLib != 'default':
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extra.append(qtLib.lower())
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elif gfxSys != 'default':
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extra.append(gfxSys)
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if edited:
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path = os.path.abspath(os.path.dirname(__file__))
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proc = subprocess.Popen([sys.executable, '-'] + extra, stdin=subprocess.PIPE, cwd=path)
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code = str(self.ui.codeView.toPlainText()).encode('UTF-8')
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proc.stdin.write(code)
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proc.stdin.close()
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else:
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fn = self.currentFile()
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if fn is None:
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return
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if sys.platform.startswith('win'):
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os.spawnl(os.P_NOWAIT, sys.executable, '"'+sys.executable+'"', '"' + fn + '"', *extra)
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else:
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os.spawnl(os.P_NOWAIT, sys.executable, sys.executable, fn, *extra)
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def showFile(self):
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fn = self.currentFile()
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if fn is None:
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self.ui.codeView.clear()
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return
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if os.path.isdir(fn):
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fn = os.path.join(fn, '__main__.py')
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text = open(fn).read()
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self.ui.codeView.setPlainText(text)
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self.ui.loadedFileLabel.setText(fn)
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self.codeBtn.hide()
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def codeEdited(self):
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self.codeBtn.show()
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def runEditedCode(self):
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self.loadFile(edited=True)
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def run():
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app = QtGui.QApplication([])
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loader = ExampleLoader()
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app.exec_()
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if __name__ == '__main__':
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run()
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