def columnCount(self, parent=QtCore.QModelIndex()):
return len(self._header)
def setRootTagRef(self, rootTagRef, keepExpanded=False):
if rootTagRef is self.rootTagRef:
return
self.rootTagRef = rootTagRef
if rootTagRef is None:
self.treeView.setModel(None)
self.model = None
return
self.model = NBTTreeModel(rootTagRef.rootTag,
self.editorSession.worldEditor.blocktypes)
expanded = []
current = None
if keepExpanded and self.proxyModel:
current = self.proxyModel.data(self.treeView.currentIndex(),
NBTTreeModel.NBTPathRole)
def addExpanded(parentIndex):
for row in range(self.proxyModel.rowCount(parentIndex)):
index = self.proxyModel.index(row, 0, parentIndex)
if self.treeView.isExpanded(index):
expanded.append(
self.proxyModel.data(index,
NBTTreeModel.NBTPathRole))
addExpanded(index)
addExpanded(QtCore.QModelIndex())
self.model.dataChanged.connect(self.dataDidChange)
self.model.rowsInserted.connect(self.rowsDidInsert)
self.model.rowsRemoved.connect(self.rowsDidRemove)
self.proxyModel = NBTFilterProxyModel(self)
self.proxyModel.setSourceModel(self.model)
# self.proxyModel.setDynamicSortFilter(True)
self.treeView.setModel(self.proxyModel)
header = self.treeView.header()
header.setStretchLastSection(False)
header.setResizeMode(1, header.ResizeMode.Stretch)
header.setResizeMode(2, header.ResizeMode.Fixed)
header.setResizeMode(3, header.ResizeMode.Fixed)
if keepExpanded:
for path in expanded:
matches = self.proxyModel.match(
self.proxyModel.index(0, 0, QtCore.QModelIndex()),
NBTTreeModel.NBTPathRole,
path,
flags=Qt.MatchExactly | Qt.MatchRecursive)
for i in matches:
self.treeView.setExpanded(i, True)
if current is not None:
matches = self.proxyModel.match(
self.proxyModel.index(0, 0, QtCore.QModelIndex()),
NBTTreeModel.NBTPathRole,
current,
flags=Qt.MatchExactly | Qt.MatchRecursive)
if len(matches):
self.treeView.setCurrentIndex(matches[0])
else:
self.treeView.expandToDepth(0)
self.treeView.sortByColumn(0, Qt.AscendingOrder)
self.treeView.resizeColumnToContents(0)
self.treeView.resizeColumnToContents(1)
self.treeView.resizeColumnToContents(2)
self.treeView.resizeColumnToContents(3)
def rowCount(self, index=QtCore.QModelIndex()):
count = 1
node = index.internalPointer()
if node is not None:
count = len(node.child)
return count
def rowCount(self, parent=QtCore.QModelIndex()):
parentItem = self.getItem(parent)
return parentItem.childCount()
def reset(self):
self.beginRemoveRows(QtCore.QModelIndex(), 0, len(self.file_names) - 1)
self.file_names = []
self.file_info = []
self.endRemoveRows()
def rowCount(self, index=QtCore.QModelIndex()):
return len(self.ships)
def columnCount(self, parent=QtCore.QModelIndex()):
return 3
def parent(self, index):
node = self.getNode(index)
parent_node = node.parent()
if parent_node == self.root_node:
return QtCore.QModelIndex()
return self.createIndex(parent_node.row(), 0, parent_node)
def myClearSelection(self): self.widget.selectionModel().setCurrentIndex(QtCore.QModelIndex(), QtGui.QItemSelectionModel.Clear)
def insertRow(self, position, parent=QtCore.QModelIndex(), tagID=None):
return self.insertRows(position, 1, parent, tagID)
def removeRow(self, position, parent=QtCore.QModelIndex()):
self.removeRows(position, 1, parent)
def rowCount(self, parent=QtCore.QModelIndex()):
if not parent.isValid():
return 1
parentItem = self.getItem(parent)
return parentItem.childCount()
def data(self, index=QtCore.QModelIndex(), role=QtCore.Qt.DisplayRole):
return None
def flags(self, index=QtCore.QModelIndex()):
return QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled
def parent(self, index):
return QtCore.QModelIndex()
def rowCount(self, index=QtCore.QModelIndex()):
return len(self.data_list)
def rowCount(self, parent=QtCore.QModelIndex()):
if parent.isValid():
return 0
return len(self.properties)
def addElem(self, msg):
self.beginInsertRows(QtCore.QModelIndex(), len(self.data_list)\
, len(self.data_list))
self.data_list.append(ListItem(msg))
self.endInsertRows()
def rowCount(self, parent=QtCore.QModelIndex()):
return len(self.columns)
def removeCustomBlocks(self):
self.beginRemoveRows(QtCore.QModelIndex(), len(self.blocktypes),
len(self.blocktypes) + len(self.customBlocks) - 1)
self.customBlocks = []
self.endRemoveRows()
def columnCount(self, parent=QtCore.QModelIndex()):
return self.rootItem.columnCount()
def printImage(self):
if self.model.rowCount(QtCore.QModelIndex()) * self.model.columnCount(QtCore.QModelIndex()) > 90000:
answer = QtGui.QMessageBox.question(self, "Large Image Size",
"The printed image may be very large. Are you sure that "
"you want to print it?",
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No)
if answer == QtGui.QMessageBox.No:
return
printer = QtGui.QPrinter(QtGui.QPrinter.HighResolution)
dlg = QtGui.QPrintDialog(printer, self)
dlg.setWindowTitle("Print Image")
if dlg.exec_() != QtGui.QDialog.Accepted:
return
painter = QtGui.QPainter()
painter.begin(printer)
rows = self.model.rowCount(QtCore.QModelIndex())
columns = self.model.columnCount(QtCore.QModelIndex())
sourceWidth = (columns+1) * ItemSize
sourceHeight = (rows+1) * ItemSize
painter.save()
xscale = printer.pageRect().width() / float(sourceWidth)
yscale = printer.pageRect().height() / float(sourceHeight)
scale = min(xscale, yscale)
painter.translate(printer.pageRect().x()+printer.pageRect().width()/2,
printer.pageRect().y()+printer.pageRect().height()/2)
painter.scale(scale, scale)
painter.translate(-sourceWidt/2, -sourceHeight/2)
option = QtGui.QStyleOptionViewItem()
parent = QtCore.QModelIndex()
progress = QtGui.QProgressDialog("Printing...", "Cancel", 0, rows,
self)
y = ItemSize / 2.0
for row in range(rows):
progress.setValue(row)
QtGui.qApp.processEvents()
if progress.wasCanceled():
break
x = ItemSize / 2.0
for col in range(columns):
option.rect = QtCore.QRect(x, y, ItemSize, ItemSize)
self.view.itemDelegate.paint(painter, option,
self.model.index(row, column, parent))
x = x + ItemSize
y = y + ItemSize
progress.setValue(rows)
painter.restore()
painter.end()
if progress.wasCanceled():
QtGui.QMessageBox.information(self, "Printing canceled",
"The printing process was canceled.",
QtGui.QMessageBox.Cancel)
def insertColumns(self, position, columns, parent=QtCore.QModelIndex()):
self.beginInsertColumns(parent, position, position + columns - 1)
success = self.rootItem.insertColumns(position, columns)
self.endInsertColumns()
return success
class LaunchListModel(QtCore.QAbstractListModel):
'''
The model to manage the files with launch files.
'''
NOT_FOUND = -1
NOTHING = 0
RECENT_FILE = 1
LAUNCH_FILE = 2
FOLDER = 3
PACKAGE = 4
STACK = 5
RECENT_LENGTH = 5
def __init__(self):
'''
Creates a new list model. Loads the required icons.
'''
QtCore.QAbstractListModel.__init__(self)
self.icons = {
LaunchListModel.FOLDER:
QtGui.QIcon(":/icons/crystal_clear_folder.png"),
LaunchListModel.STACK:
QtGui.QIcon(":/icons/crystal_clear_stack.png"),
LaunchListModel.PACKAGE:
QtGui.QIcon(":/icons/crystal_clear_package.png"),
LaunchListModel.LAUNCH_FILE:
QtGui.QIcon(":/icons/crystal_clear_launch_file.png"),
LaunchListModel.RECENT_FILE:
QtGui.QIcon(":/icons/crystal_clear_launch_file_recent.png")
}
self.items = []
self.currentPath = None
self.load_history = self._getLoadHistory()
self.root_paths = [
os.path.normpath(p)
for p in os.getenv("ROS_PACKAGE_PATH").split(':')
]
self._setNewList(self._moveUp(None))
def _getRootItems(self):
result = list(self.load_history)
result[len(result):] = self.root_paths
return result
#%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
#%%%%%%%%%%%%% Overloaded methods %%%%%%%%
#%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
def rowCount(self, parent=QtCore.QModelIndex()):
'''
Tell the view how many rows we have present in our data.
@param parent: parent of the list
@type parent: L{QtCore.QModelIndex}
'''
return len(self.items)
def data(self, index, role=QtCore.Qt.DisplayRole):
'''
The view asks us for all sorts of information about our data...
@param index: parent of the list
@type index: L{QtCore.QModelIndex}
@param role: the art of the data
@type role: L{QtCore.Qt.DisplayRole}
@see: U{http://www.pyside.org/docs/pyside-1.0.1/PySide/QtCore/Qt.html}
'''
if role == QtCore.Qt.DisplayRole:
# return the displayed item name
pathItem, path, pathId = self.items[index.row()]
if pathId == LaunchListModel.RECENT_FILE:
return ''.join([
pathItem, ' [',
str(LaunchConfig.packageName(os.path.dirname(path))[0]),
']'
]).decode(sys.getfilesystemencoding())
else:
return pathItem
elif role == QtCore.Qt.ToolTipRole:
# return the tooltip of the item
pathItem, path, pathId = self.items[index.row()]
return path
elif role == QtCore.Qt.DecorationRole:
# return the showed icon
pathItem, path, pathId = self.items[index.row()]
if pathId > LaunchListModel.NOTHING and self.icons.has_key(pathId):
return self.icons[pathId]
return None
else:
# We don't care about anything else, so return None
return None
def flags(self, index):
'''
Make the only selectable
@param index: parent of the list
@type index: L{QtCore.QModelIndex}
@return: Flag or the requestet item
@rtype: L{PySide.QtCore.Qt.ItemFlag}
@see: U{http://www.pyside.org/docs/pyside-1.0.1/PySide/QtCore/Qt.html}
'''
return QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled
#%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
#%%%%%%%%%%%%% External usage %%%%%%%%
#%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
def reloadCurrentPath(self):
'''
Reloads the current path.
'''
if self.currentPath is None:
self._setNewList(self._moveUp(self.currentPath))
else:
self._setNewList(self._moveDown(self.currentPath))
def isLaunchFile(self, row):
'''
Tests for the given row whether it is a launch file or not.
@return: C{True} if it is a launch file
@rtype: C{boolean}
'''
if row >= 0 and row < len(self.items):
pathItem, path, pathId = self.items[row]
return not path is None and os.path.isfile(path) and path.endswith(
'.launch')
return False
def getFilePath(self, item):
'''
Returns for the given item the file path if this is a file. Otherwise the
folder will be expanded and None will be returned.
@param item: the list item
@type item: C{str}
@return: path of the launch file or None
@rtype: C{str} or C{None}
'''
for pathItem, path, id in self.items:
if item == pathItem:
if item == '..':
root_path, items = self._moveUp(os.path.dirname(path))
elif os.path.isfile(path):
return path
else:
root_path, items = self._moveDown(path)
self._setNewList((root_path, items))
return None
def setPath(self, path):
'''
Shows the new path in the launch configuration view. Only if the new path
is in ros package paths
@param path: new path
@type path: C{str}
'''
if self._is_in_ros_packages(path):
self._setNewList(self._moveDown(path))
def add2LoadHistory(self, file):
try:
self.load_history.remove(file)
except:
pass
self.load_history.append(file)
if len(self.load_history) > self.RECENT_LENGTH:
self.load_history.pop(0)
self._storeLoadHistory(self.load_history)
#%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
#%%%%%%%%%%%%% Functionality %%%%%%%%
#%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
def _setNewList(self, (root_path, items)):
'''
Sets the list to the given path and insert the items. If the root path is not
None the additional item '..' to go up will be inserted. The items parameter
is a tupel with three values (the displayed name, the path of the item, the id
of the item).
@see: L{LaunchListModel._addPathToList()}
@param root_path: the root directory
@type root_path: C{str}
@param items: the list with characterized items
@type items: C{[(item, path, id)]}
'''
self.beginRemoveRows(QtCore.QModelIndex(), 0, len(self.items))
del self.items[:]
self.endRemoveRows()
# add new items
if not root_path is None:
self._addPathToList('..', root_path, LaunchListModel.NOTHING)
for item_name, item_path, item_id in items:
self._addPathToList(item_name, item_path, item_id)
self.currentPath = root_path
def refresh(self):
self.model.dataChanged.emit(QtCore.QModelIndex(), QtCore.QModelIndex())
def mousePressEvent(self, event):
if not self.indexAt(event.pos()).isValid():
self.clearSelection()
self.clearFocus()
self.setCurrentIndex(QtCore.QModelIndex())
QtGui.QTreeView.mousePressEvent(self, event)
def rowCount(self, parent=QtCore.QModelIndex()):
return len(self._detviews)
def index(self, row, column, parent=QtCore.QModelIndex()):
if parent.isValid():
return QtCore.QModelIndex()
return self.createIndex(row, column, None)
def columnCount(self, index=QtCore.QModelIndex()):
return 1
def rowCount(self, index=QtCore.QModelIndex()): return len(self.translations)
