X-Git-Url: http://git.onelab.eu/?p=sface.git;a=blobdiff_plain;f=sface%2Fscreens%2Fmainscreen.py;h=96b5728b9436af8f8767f2ce453d71acbeffc636;hp=f55289683300bae17f8f76dd9330a047006c589a;hb=875c4f3aa289cba9ed73de07e4e1fab1770ae9ec;hpb=ec32b764aaea2419c6e43cca236aa7f91e5b6de1 diff --git a/sface/screens/mainscreen.py b/sface/screens/mainscreen.py index f552896..96b5728 100644 --- a/sface/screens/mainscreen.py +++ b/sface/screens/mainscreen.py @@ -1,87 +1,467 @@ +import os from PyQt4.QtCore import * from PyQt4.QtGui import * +from sfa.util.rspecHelper import RSpec from sface.sfahelper import * -from sface.sficonfig import config +from sface.config import config +from sface.sfiprocess import SfiProcess from sface.screens.sfascreen import SfaScreen +already_in_nodes = [] + +node_status = { "in": "Already Selected", + "out": "Not Selected", + "add": "To be Added", + "remove": "To be Removed"} + +class NodeView(QTreeView): + def __init__(self, parent): + QTreeView.__init__(self, parent) + + self.setAnimated(True) + self.setItemsExpandable(True) + self.setRootIsDecorated(True) + self.setAlternatingRowColors(True) +# self.setSelectionMode(self.MultiSelection) + self.setAttribute(Qt.WA_MacShowFocusRect, 0) + self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding) + self.setToolTip("Double click on a row to change its status") + + def mouseDoubleClickEvent(self, event): + index = self.currentIndex() + model = index.model() + status_index = model.index(index.row(), 2, index.parent()) + status_data = status_index.data().toString() + hostname_index = model.index(index.row(), 1, index.parent()) + hostname_data = hostname_index.data().toString() + + if status_data == node_status['in']: + model.setData(status_index, QString(node_status['remove'])) + elif status_data == node_status['out']: + model.setData(status_index, QString(node_status['add'])) + elif status_data in (node_status['add'], node_status['remove']): + if hostname_data in already_in_nodes: model.setData(status_index, QString(node_status['in'])) + else: model.setData(status_index, QString(node_status['out'])) + + model.emit(SIGNAL("dataChanged(QModelIndex, QModelIndex)"), hostname_index, hostname_index) + + def currentChanged(self, current, previous): + model = current.model() + hostname_index = model.index(current.row(), 1, current.parent()) + hostname_data = hostname_index.data().toString() + self.emit(SIGNAL('hostnameClicked(QString)'), hostname_data) + + + +class NodeNameDelegate(QStyledItemDelegate): + def __init__(self, parent): + QStyledItemDelegate.__init__(self, parent) + + def paint(self, painter, option, index): + model = index.model() + data = "%s" % index.data().toString() + status_index = model.index(index.row(), 2, index.parent()) + status_data = status_index.data().toString() + + if status_data not in (node_status['in'], node_status['remove'], node_status['add']): + # default view + QStyledItemDelegate.paint(self, painter, option, index) + return + + fm = QFontMetrics(option.font) + rect = option.rect + rect.setWidth(fm.width(QString(data)) + 8) + rect.setHeight(rect.height() - 2) + rect.setX(rect.x() + 4) + x, y, h, w = rect.x(), rect.y(), rect.height(), rect.width() + + path = QPainterPath() + path.addRoundedRect(x, y, w, h, 4, 4) + + painter.save() + painter.setRenderHint(QPainter.Antialiasing) + painter.drawRoundedRect(rect, 4, 4) + + if status_data == node_status['in']: # already in the slice + painter.fillPath(path, QColor.fromRgb(0, 250, 0)) + painter.setPen(QColor.fromRgb(0, 0, 0)) + painter.drawText(option.rect, 0, QString(data)) + + elif status_data == node_status['add']: # newly added to the slice + painter.fillPath(path, QColor.fromRgb(0, 250, 0)) + painter.setPen(QColor.fromRgb(0, 0, 0)) + painter.drawText(option.rect, 0, QString(data)) + painter.drawRect(x + w + 10, y + 3, 10, 10) + painter.fillRect(x + w + 10, y + 3, 10, 10, QColor.fromRgb(0, 250, 0)) + + elif status_data == node_status['remove']: # removed from the slice + painter.fillPath(path, QColor.fromRgb(250, 0, 0)) + painter.setPen(QColor.fromRgb(0, 0, 0)) + painter.drawText(option.rect, 0, QString(data)) + painter.drawRect(x + w + 10, y + 3, 10, 10) + painter.fillRect(x + w + 10, y + 3, 10, 10, QColor.fromRgb(250, 0, 0)) + + painter.restore() + + +class TreeItem: + def __init__(self, data, parent=None): + self.parentItem = parent + self.itemData = data + self.childItems = [] + + def clear(self): + for child in self.childItems: + child.clear() + del child + del self.childItems + self.childItems = [] + + def allChildItems(self): + all = [] + for c in self.childItems: + all.append(c) + if c.childItems: + for cc in c.childItems: + all.append(cc) + return all + + def appendChild(self, child): + self.childItems.append(child) + + def child(self, row): + return self.childItems[row] + + def childCount(self): + return len(self.childItems) + + def childNumber(self): + if self.parentItem: + return self.parentItem.childItems.index(self) + return 0 + + def columnCount(self): + return len(self.itemData) + + def data(self, column): + return self.itemData[column] + + def insertChildren(self, position, count, columns): + if position < 0 or position > len(self.childItems): + return False + + for row in range(count): + data = self.data(columns) + item = TreeItem(data, self) + self.childItems.insert(position, item) + + return True + + def insertColumns(self, position, columns): + if position < 0 or position > len(self.itemData): + return False + + for column in range(columns): + self.itemData.insert(position, QVariant()) + + for child in self.childItems: + child.insertColumns(position, columns) + + return True + + def setData(self, column, value): + if column < 0 or column >= len(self.itemData): + return False + + self.itemData[column] = value + return True + + def parent(self): + return self.parentItem + + +class NodeModel(QAbstractItemModel): + def __init__(self, parent): + QAbstractItemModel.__init__(self, parent) + self.__initRoot() + + def clear(self): + self.rootItem.clear() + self.__initRoot() + + def __initRoot(self): + self.rootItem = TreeItem([QString("Testbed"), QString("Hostname"), QString("Status")]) + + def getItem(self, index): + if index.isValid(): + item = index.internalPointer() + if isinstance(item, TreeItem): + return item + return self.rootItem + + def headerData(self, section, orientation, role): + if orientation == Qt.Horizontal and role in (Qt.DisplayRole, Qt.EditRole): + return self.rootItem.data(section) + return QVariant() + + def index(self, row, column, parent): + if not self.hasIndex(row, column, parent): + return QModelIndex() + + parentItem = self.getItem(parent) + childItem = parentItem.child(row) + if childItem: + return self.createIndex(row, column, childItem) + else: + return QModelIndex() + + def insertColumns(self, position, columns, parent): + self.beginInsertColumns(parent, position, position + columns -1) + ret = self.rootItem.insertColumns(position, columns) + self.endInsertColumns() + return ret + + def insertRows(self, position, rows, parent): + parentItem = self.getItem(parent) + self.beginInsertRows(parent, position, position + rows -1) + ret = parentItem.insertChildren(position, rows, self.rootItem.columnCount()) + self.endInsertRows() + return ret + + def parent(self, index): + if not index.isValid(): + return QModelIndex() + + childItem = self.getItem(index) + parentItem = childItem.parent() + if parentItem is self.rootItem: + return QModelIndex() + + return self.createIndex(parentItem.childNumber(), 0, parentItem) + + def rowCount(self, parent=QModelIndex()): + parentItem = self.getItem(parent) + return parentItem.childCount() + + def columnCount(self, parent=None): + return self.rootItem.columnCount() + + def data(self, index, role): + if not index.isValid(): + return QVariant() + + if role != Qt.DisplayRole and role != Qt.EditRole: + return QVariant() + + item = self.getItem(index) + return item.data(index.column()) + + def flags(self, index): + if not index.isValid(): + return 0 + return Qt.ItemIsEnabled | Qt.ItemIsSelectable# | Qt.ItemIsEditable + + def setData(self, index, value, role): + if role != Qt.EditRole: + return False + + item = self.getItem(index) + ret = item.setData(index.column(), value) + if ret: + self.emit(SIGNAL("dataChanged(QModelIndex, QModelIndex)"), index, index) + return ret + class SliceWidget(QWidget): - def __init__(self, parent=None): + def __init__(self, parent): QWidget.__init__(self, parent) - self.nodeView = QTreeView(self) - self.nodeView.setRootIsDecorated(False) - self.nodeView.setAlternatingRowColors(True) - self.nodeView.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding) + self.network_names = [] + self.process = SfiProcess(self) + + self.slicename = QLabel("", self) + self.updateSliceName() + self.slicename.setScaledContents(False) + searchlabel = QLabel ("Search: ", self) + searchlabel.setScaledContents(False) + searchbox = QLineEdit(self) + searchbox.setAttribute(Qt.WA_MacShowFocusRect, 0) + + toplayout = QHBoxLayout() + toplayout.addWidget(self.slicename, 0, Qt.AlignLeft) + toplayout.addStretch() + toplayout.addWidget(searchlabel, 0, Qt.AlignRight) + toplayout.addWidget(searchbox, 0, Qt.AlignRight) - self.nodeModel = QStandardItemModel(0, 3, self) - self.nodeModel.setHeaderData(0, Qt.Horizontal, QString("Testbed")) - self.nodeModel.setHeaderData(1, Qt.Horizontal, QString("Hostname")) - self.nodeModel.setHeaderData(2, Qt.Horizontal, QString("IsIn")) + self.nodeView = NodeView(self) + self.nodeModel = NodeModel(self) + self.filterModel = QSortFilterProxyModel(self) # enable filtering - self.nodeView.setModel(self.nodeModel) + self.nodeNameDelegate = NodeNameDelegate(self) - label = QLabel("Refresh", self) - label.setScaledContents(False) - self.connect(label, SIGNAL('linkActivated(QString)'), self.refresh) + refresh = QPushButton("Update Slice Data", self) + refresh.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum) + submit = QPushButton("Submit", self) + submit.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum) - slicename = QLabel ("Slice : %s"%(config.getSlice() or "None"),self) + bottomlayout = QHBoxLayout() + bottomlayout.addWidget(refresh, 0, Qt.AlignLeft) + bottomlayout.addStretch() + bottomlayout.addWidget(submit, 0, Qt.AlignRight) layout = QVBoxLayout() - layout.addWidget(label) - layout.addWidget(slicename) + layout.addLayout(toplayout) layout.addWidget(self.nodeView) + layout.addLayout(bottomlayout) self.setLayout(layout) self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding) + + self.connect(refresh, SIGNAL('clicked()'), self.refresh) + self.connect(submit, SIGNAL('clicked()'), self.submit) + self.connect(searchbox, SIGNAL('textChanged(QString)'), self.filter) + self.connect(self.nodeView, SIGNAL('hostnameClicked(QString)'), + self.nodeSelectionChanged) + + self.updateView() + + def submitFinished(self): + self.setStatus("Slice data submitted.") + QTimer.singleShot(1000, self.refresh) + + def refreshFinished(self): + self.setStatus("Slice data updated.", timeout=5000) + self.updateView() + self.parent().signalAll("rspecUpdated") + + def readSliceRSpec(self): + rspec_file = config.getSliceRSpecFile() + if os.path.exists(rspec_file): + xml = open(rspec_file).read() + return xml + return None + + def setStatus(self, msg, timeout=None): + self.parent().setStatus(msg, timeout) + + def checkRunningProcess(self): + if self.process.isRunning(): + self.setStatus("There is already a process running. Please wait.") + return True + return False + + def filter(self, filter_string): + # for hierarchical models QSortFilterProxyModel applies the + # sort recursively. if the parent doesn't match the criteria + # we won't be able to match the children. so we need to match + # parent (by matching the network_names) + networks = ["^%s$" % n for n in self.network_names] + filters = networks + [str(filter_string)] + self.filterModel.setFilterRegExp(QRegExp('|'.join(filters))) + + def submit(self): + if self.checkRunningProcess(): + return + + rspec = RSpec(self.readSliceRSpec()) + no_change = True + all_child = self.nodeModel.rootItem.allChildItems() + for c in all_child: + testbed, hostname, status = c.itemData + if isinstance(status, QVariant): + status = status.toString() + + if status == node_status['add']: + rspec.add_sliver(hostname) + no_change = False + elif str(status) == node_status['remove']: + rspec.remove_sliver(hostname) + no_change = False - def refresh(self, link=None): - data = SfaData() - if not data.getSlice(): - print 'slice not set yet' + if no_change: + self.setStatus("No change in slice data. Not submitting!", timeout=3000) return - if not data.SFACE_DEBUG: - rspec_string = data.getRSpecFromSM() - else: - print 'SFACE_DEBUG : using local file' - import os - rspec_string = open(os.path.expanduser("~/.sfi/%s.rspec"%data.getSlice())).read() - networks = self.rspec_get_networks(rspec_string) - networks.reverse() + self.disconnect(self.process, SIGNAL('finished()'), self.refreshFinished) + self.connect(self.process, SIGNAL('finished()'), self.submitFinished) + + self.process.applyRSpec(rspec) + self.setStatus("Sending slice data (RSpec). This will take some time...") + + + def refresh(self): + if not config.getSlice(): + self.setStatus("Slice not set yet!") + return + + if self.process.isRunning(): + self.setStatus("There is already a process running. Please wait.") + return + + self.disconnect(self.process, SIGNAL('finished()'), self.submitFinished) + self.connect(self.process, SIGNAL('finished()'), self.refreshFinished) + + self.process.getRSpecFromSM() + self.setStatus("Updating slice data. This will take some time...") + def updateView(self): + global already_in_nodes + already_in_nodes = [] + self.network_names = [] + self.nodeModel.clear() + + rspec_string = self.readSliceRSpec() + if not rspec_string: + return None + + networks = rspec_get_networks(rspec_string) for network in networks: -# nodes = self.rspec_get_sliver_nodes_from_network(rspec_string, network) -# for node in nodes: self.addNode(network, node, True) -# nodes = self.rspec_get_other_nodes_from_network(rspec_string, network) -# for node in nodes: self.addNode(network, node, False) - # hacky - i'm just gettin used to this xml navigation stuff - xml_nodes = self.rspec_get_xml_nodes_from_network(rspec_string, network) - from lxml import etree - # addNode inserts before, so let's start with the ones that are not in - for xml_node in xml_nodes: - if not xml_node.xpath('sliver'): - self.addNode(network,xml_node.xpath('hostname/text()')[0],False) - for xml_node in xml_nodes: - if xml_node.xpath('sliver'): - self.addNode(network,xml_node.xpath('hostname/text()')[0],True) - + self.network_names.append(network) + networkItem = TreeItem([QString(network), QString(""), QString("")], self.nodeModel.rootItem) + + all_nodes = rspec_get_nodes_from_network(rspec_string, network) + sliver_nodes = rspec_get_sliver_nodes_from_network(rspec_string, network) + available_nodes = filter(lambda x:x not in sliver_nodes, all_nodes) + + already_in_nodes += sliver_nodes + + for node in sliver_nodes: + nodeItem = TreeItem([QString(""), QString("%s" % node), QString(node_status['in'])], networkItem) + networkItem.appendChild(nodeItem) - def addNode(self, testbed, hostname, mark): - self.nodeModel.insertRow(0) - self.nodeModel.setData(self.nodeModel.index(0,0), QString(testbed)) - self.nodeModel.setData(self.nodeModel.index(0,1), QString(hostname)) - if mark:msg="x" - else: msg="-" - self.nodeModel.setData(self.nodeModel.index(0,2), QString(msg)) + for node in available_nodes: + nodeItem = TreeItem([QString(""), QString(node), QString(node_status['out'])], networkItem) + networkItem.appendChild(nodeItem) + self.nodeModel.rootItem.appendChild(networkItem) + + self.filterModel.setSourceModel(self.nodeModel) + self.filterModel.setFilterKeyColumn(-1) + self.filterModel.setDynamicSortFilter(True) + + self.nodeView.setItemDelegateForColumn(1, self.nodeNameDelegate) + self.nodeView.setModel(self.filterModel) + self.nodeView.expandAll() + self.nodeView.resizeColumnToContents(1) + + def updateSliceName(self): + self.slicename.setText("Slice : %s" % (config.getSlice() or "None")) + + def nodeSelectionChanged(self, hostname): + self.parent().nodeSelectionChanged(hostname) class MainScreen(SfaScreen): - def __init__(self, parent=None): + def __init__(self, parent): SfaScreen.__init__(self, parent) slice = SliceWidget(self) - self.init(slice, "Main Window", "PlanetLab Federation GUI") -# slice.refresh() + self.init(slice, "Main Window", "OneLab Federation GUI") + + def configurationChanged(self): + self.widget.updateSliceName() + self.widget.updateView() + + def nodeSelectionChanged(self, hostname): + self.mainwin.nodeSelectionChanged(hostname)