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comparison python/libs/widgets/astviewer.py @ 64:4a27c28c7d0f

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File movage
author windel
date Sun, 07 Oct 2012 17:13:47 +0200
parents python/apps/ide/astviewer.py@32078200cdd6
children
comparison
equal deleted inserted replaced
63:32078200cdd6 64:4a27c28c7d0f
1 from PyQt4.QtCore import *
2 from PyQt4.QtGui import *
3
4 def astToNamedElement(astNode, parentNode):
5 """ Helper to convert and AST tree to NamedElement tree: """
6 item = QStandardItem(str(astNode))
7 item.setData(astNode)
8 parentNode.appendRow(item)
9 for c in astNode.getChildren():
10 astToNamedElement(c, item)
11
12 # The actual widget:
13 class AstViewer(QTreeView):
14 sigNodeSelected = pyqtSignal(object)
15 def __init__(self, parent=None):
16 super(AstViewer, self).__init__(parent)
17 self.setHeaderHidden(True)
18 self.clicked.connect(self.selectHandler)
19
20 def setAst(self, ast):
21 """ Create a new model and add all ast elements to it """
22 model = QStandardItemModel()
23 if ast:
24 astToNamedElement(ast, model.invisibleRootItem())
25 self.setModel( model )
26 self.expandAll()
27
28 def selectHandler(self, index):
29 if not index.isValid():
30 return
31 model = self.model()
32 item = model.itemFromIndex(index)
33 node = item.data()
34 self.sigNodeSelected.emit(node)
35
36