3 from PyQt4.QtCore import *
4 from PyQt4.QtGui import *
6 from sfa.util.rspecHelper import RSpec
7 from sface.sfahelper import *
8 from sface.config import config
9 from sface.sfiprocess import SfiProcess
10 from sface.screens.sfascreen import SfaScreen
12 class NodeView(QTreeView):
13 def __init__(self, parent):
14 QTreeView.__init__(self, parent)
16 self.setAnimated(True)
17 self.setItemsExpandable(True)
18 self.setRootIsDecorated(True)
19 self.setAlternatingRowColors(True)
20 self.setAttribute(Qt.WA_MacShowFocusRect, 0)
21 self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
23 class SelectDelegate(QStyledItemDelegate):
26 class NodeNameDelegate(QStyledItemDelegate):
27 def __init__(self, parent):
28 QStyledItemDelegate.__init__(self)
30 def paint(self, painter, option, index):
31 data = "%s" % index.data().toString()
33 # model = index.model()
34 # select_index = model.index(index.row(), 2, index.parent())
35 # select_data = select_index.data().toString()
36 # if select_data == "false":
38 # model.setData(index, QString("*%s" % data), Qt.EditRole)
39 # model.setData(select_index, QString("true"), Qt.EditRole)
42 if data.startswith("*"): # already in the sliver
43 data = " %s " % data[1:]
45 fm = QFontMetrics(option.font)
47 rect.setWidth(fm.width(QString(data)))
48 rect.setHeight(rect.height() - 2)
49 rect.setX(rect.x() + 1)
50 x, y, h, w = rect.x(), rect.y(), rect.height(), rect.width()
53 path.addRoundedRect(x, y, w, h, 4, 4)
56 painter.setRenderHint(QPainter.Antialiasing)
57 painter.drawRoundedRect(rect, 4, 4)
58 painter.fillPath(path, QColor.fromRgb(0, 250, 0))
59 painter.setPen(QColor.fromRgb(0, 0, 0))
60 painter.drawText(option.rect, 0, QString(data))
62 else: # others, fall back to default view
63 QStyledItemDelegate.paint(self, painter, option, index)
66 def __init__(self, data, parent=None):
67 self.parentItem = parent
72 for child in self.childItems:
78 def appendChild(self, child):
79 self.childItems.append(child)
82 return self.childItems[row]
85 return len(self.childItems)
87 def childNumber(self):
89 return self.parentItem.childItems.index(self)
92 def columnCount(self):
93 return len(self.itemData)
95 def data(self, column):
96 return self.itemData[column]
98 def insertChildren(self, position, count, columns):
99 if position < 0 or position > len(self.childItems):
102 for row in range(count):
103 data = self.data(columns)
104 item = TreeItem(data, self)
105 self.childItems.insert(position, item)
109 def insertColumns(self, position, columns):
110 if position < 0 or position > len(self.itemData):
113 for column in range(columns):
114 self.itemData.insert(position, QVariant())
116 for child in self.childItems:
117 child.insertColumns(position, columns)
121 def setData(self, column, value):
122 if column < 0 or column >= len(self.itemData):
125 self.itemData[column] = value
129 if (self.parentItem):
131 return self.parentItem.childItems.index(self)
137 return self.parentItem
141 class NodeModel(QAbstractItemModel):
142 def __init__(self, parent):
143 QAbstractItemModel.__init__(self, parent)
147 self.rootItem.clear()
150 def __initRoot(self):
151 self.rootItem = TreeItem([QString("Testbed"), QString("Hostname"), QString("Selected")])
154 def getItem(self, index):
156 item = index.internalPointer()
160 def headerData(self, section, orientation, role):
161 if orientation == Qt.Horizontal and role == Qt.DisplayRole:
162 return self.rootItem.data(section)
165 def index(self, row, column, parent):
166 if not self.hasIndex(row, column, parent):
169 parentItem = self.getItem(parent)
171 childItem = parentItem.child(row)
173 return self.createIndex(row, column, childItem)
177 def insertColumns(self, position, columns, parent):
178 self.beginInsertColumns(parent, position, position + columns -1)
179 ret = self.rootItem.insertColumns(position, columns)
180 self.endInsertColumns()
183 def insertRows(self, position, rows, parent):
184 parentItem = self.getItem(parent)
185 self.beginInsertRows(parent, position, position + rows -1)
186 ret = parentItem.insertChildren(position, rows, self.rootItem.columnCount())
190 def parent(self, index):
191 if not index.isValid():
194 childItem = self.getItem(index)
195 parentItem = childItem.parent()
197 if parentItem is self.rootItem:
200 return self.createIndex(parentItem.row(), 0, parentItem)
202 def rowCount(self, parent=QModelIndex()):
203 parentItem = self.getItem(parent)
204 return parentItem.childCount()
206 def columnCount(self, parent=None):
207 return self.rootItem.columnCount()
209 def data(self, index, role):
210 if not index.isValid():
213 if role != Qt.DisplayRole and role != Qt.EditRole:
216 item = self.getItem(index)
217 return item.data(index.column())
219 def flags(self, index):
220 if not index.isValid():
222 return Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsEditable
224 def setData(self, index, value, role):
225 if role != Qt.EditRole:
228 item = self.getItem(index)
229 ret = item.setData(index.column(), value)
231 self.emit(SIGNAL("dataChanged(QModelIndex, QModelIndex)"), index, index)
236 class SliceWidget(QWidget):
237 def __init__(self, parent):
238 QWidget.__init__(self, parent)
240 slicename = QLabel ("Slice : %s"%(config.getSlice() or "None"),self)
241 slicename.setScaledContents(False)
242 searchlabel = QLabel ("Search: ", self)
243 searchlabel.setScaledContents(False)
244 searchbox = QLineEdit(self)
245 searchbox.setAttribute(Qt.WA_MacShowFocusRect, 0)
247 toplayout = QHBoxLayout()
248 toplayout.addWidget(slicename, 0, Qt.AlignLeft)
249 toplayout.addStretch()
250 toplayout.addWidget(searchlabel, 0, Qt.AlignRight)
251 toplayout.addWidget(searchbox, 0, Qt.AlignRight)
253 self.nodeView = NodeView(self)
254 self.nodeModel = NodeModel(self)
255 self.filterModel = QSortFilterProxyModel(self) # enable filtering
256 self.filterModel.setSourceModel(self.nodeModel)
257 self.nodeView.setModel(self.filterModel)
258 self.filterModel.setDynamicSortFilter(True)
259 self.nodeView.setModel(self.nodeModel)
261 self.nodeNameDelegate = NodeNameDelegate(self)
262 self.selectDelegate = SelectDelegate(self)
264 refresh = QPushButton("Update Slice Data", self)
265 refresh.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
266 submit = QPushButton("Submit", self)
267 submit.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
269 bottomlayout = QHBoxLayout()
270 bottomlayout.addWidget(refresh, 0, Qt.AlignLeft)
271 bottomlayout.addStretch()
272 bottomlayout.addWidget(submit, 0, Qt.AlignRight)
274 layout = QVBoxLayout()
275 layout.addLayout(toplayout)
276 layout.addWidget(self.nodeView)
277 layout.addLayout(bottomlayout)
278 self.setLayout(layout)
279 self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
281 self.connect(refresh, SIGNAL('clicked()'), self.refresh)
282 self.connect(submit, SIGNAL('clicked()'), self.submit)
283 self.connect(searchbox, SIGNAL('textChanged(QString)'), self.filter)
287 def filter(self, filter):
288 self.filterModel.setFilterRegExp(QRegExp(filter))
291 self.parent().setStatus("TODO: Submit not implemented yet!", 3000)
293 def readSliceRSpec(self):
294 rspec_file = config.getSliceRSpecFile()
295 if os.path.exists(rspec_file):
296 xml = open(rspec_file).read()
301 if not config.getSlice():
302 self.parent().setStatus("<font color='red'>Slice not set yet!</font>", timeout=None)
305 self.process = SfiProcess()
306 outfile = self.process.getRSpecFromSM()
307 self.parent().setStatus("Updating slice data. This may take some time...", timeout=None)
309 self.connect(self.process, SIGNAL('finished()'), self.refreshFinished)
311 def refreshFinished(self):
313 self.parent().setStatus("<font color='green'>Slice data updated.</font>", timeout=5000)
316 def updateView(self):
317 self.nodeModel.clear()
318 rspec_string = self.readSliceRSpec()
322 networks = rspec_get_networks(rspec_string)
323 for network in networks:
324 networkItem = TreeItem([QString(network), QString(""), QString("")], self.nodeModel.rootItem)
326 all_nodes = rspec_get_nodes_from_network(rspec_string, network)
327 sliver_nodes = rspec_get_sliver_nodes_from_network(rspec_string, network)
328 available_nodes = filter(lambda x:x not in sliver_nodes, all_nodes)
330 for node in sliver_nodes:
331 nodeItem = TreeItem([QString(""), QString("*%s" % node), QString("true")], networkItem)
332 networkItem.appendChild(nodeItem)
334 for node in available_nodes:
335 nodeItem = TreeItem([QString(""), QString(node), QString("false")], networkItem)
336 networkItem.appendChild(nodeItem)
338 self.nodeModel.rootItem.appendChild(networkItem)
340 self.nodeView.expandAll()
341 self.nodeView.resizeColumnToContents(1)
342 self.nodeView.setItemDelegateForColumn(1, self.nodeNameDelegate)
343 self.nodeView.setItemDelegateForColumn(2, self.selectDelegate)
346 class MainScreen(SfaScreen):
347 def __init__(self, parent):
348 SfaScreen.__init__(self, parent)
350 slice = SliceWidget(self)
351 self.init(slice, "Main Window", "OneLab Federation GUI")