diff python/qtpropertyviewer.py @ 109:ad14c7c52589

Created qt property viewer
author Windel Bouwman
date Thu, 03 Jan 2013 18:33:29 +0100
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python/qtpropertyviewer.py	Thu Jan 03 18:33:29 2013 +0100
@@ -0,0 +1,103 @@
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+import sys
+
+class QtPropertyModel(QAbstractTableModel):
+   def __init__(self):
+      super().__init__()
+      self.InspectedWidget = None
+   def getInspectedWidget(self):
+      return self.inspectedWidget
+   def setInspectedWidget(self, w):
+      self.inspectedWidget = w
+      if isinstance(self.inspectedWidget, QObject):
+         mo = self.inspectedWidget.metaObject()
+         self.metaprops = [mo.property(i) for i in range(mo.propertyCount())]
+         self.metaprops = sorted(self.metaprops, key=lambda mp: mp.name())
+      else:
+         self.metaprops = []
+      self.modelReset.emit()
+   InspectedWidget = property(getInspectedWidget, setInspectedWidget)
+   def rowCount(self, parent):
+      return len(self.metaprops)
+   def columnCount(self, parent):
+      return 2
+   def headerData(self, section, orientation, role):
+      if orientation == Qt.Horizontal and role == Qt.DisplayRole:
+         if section == 0:
+            return 'Property'
+         elif section == 1:
+            return 'Value'
+   def data(self, index, role):
+      if index.isValid():
+         row = index.row()
+         col = index.column()
+         metaprop = self.metaprops[row]
+         if role == Qt.DisplayRole:
+            propname = metaprop.name()
+            if col == 0:
+               return propname
+            elif col == 1:
+               if metaprop.isReadable():
+                  propval = metaprop.read(self.inspectedWidget)
+                  return propval
+               return 'NOT READABLE'
+            return '{0}, {1}'.format(row, col)
+         elif role == Qt.BackgroundRole:
+            if col == 1:
+               if metaprop.isWritable():
+                  return QBrush(Qt.green)
+               else:
+                  return QBrush(Qt.red)
+         elif role == Qt.CheckStateRole:
+            if col == 1:
+               val = metaprop.read(self.inspectedWidget)
+               if type(val) is bool:
+                  val = Qt.Checked if val else Qt.Unchecked
+                  return val
+
+   def flags(self, index):
+      if index.isValid():
+         row = index.row()
+         col = index.column()
+         metaprop = self.metaprops[row]
+         if col == 1 and metaprop.isWritable():
+            val = metaprop.read(self.inspectedWidget)
+            if type(val) == bool:
+               return super().flags(index) | Qt.ItemIsEditable | Qt.ItemIsUserCheckable
+            else:
+               return super().flags(index) | Qt.ItemIsEditable
+         else:
+            return super().flags(index)
+   def setData(self, index, value, role):
+      if index.isValid():
+         row = index.row()
+         col = index.column()
+         metaprop = self.metaprops[row]
+         if role == Qt.EditRole:
+            metaprop.write(self.inspectedWidget, value)
+            return True
+         elif role == Qt.CheckStateRole:
+            value = True if value == Qt.Checked else False
+            metaprop.write(self.inspectedWidget, value)
+            return True
+         else:
+            print('unknown role:', role)
+            return False
+      return False
+
+class QtPropertyViewer(QWidget):
+   """
+      The binviewer consists of a hex view, a ascii view
+      and perhaps others..
+   """
+   def __init__(self):
+      super().__init__()
+      tableView = QTableView()
+      l = QVBoxLayout(self)
+      l.addWidget(tableView)
+      header = tableView.horizontalHeader()
+      header.setResizeMode(QHeaderView.ResizeToContents)
+      self.propertyModel = QtPropertyModel()
+      tableView.setModel(self.propertyModel)
+