def __init__(self, parent=None, f=0):
"""
UI Element property inspector made up of two QTreeViews
"""
QWidget.__init__(self, parent)
self.ui = Ui_TrickplayInspector()
self.ui.setupUi(self)
self.ui.refresh.setEnabled(False)
self.ui.search.setEnabled(False)
# Ignore signals while updating elements internally
self.preventChanges = False
# Searches find multiple items with the same name
#self.lastSearchedText = None
#self.lastSearchedItem = None
# Models
self.inspectorModel = TrickplayElementModel(self)
self.propertyModel = TrickplayPropertyModel()
self.ui.inspector.setModel(self.inspectorModel)
self.ui.property.setModel(self.propertyModel)
self.ui.lineEdit.setPlaceholderText("Search by GID or Name")
self.setHeaders(self.inspectorModel, ['UI Element', 'Name'])
self.setHeaders(self.propertyModel, ['Property', 'Value'])
# QTreeView selectionChanged signal doesn't seem to work here...
# Use the selection model instead
QObject.connect(
self.ui.inspector.selectionModel(),
SIGNAL('selectionChanged(QItemSelection, QItemSelection)'),
self.selectionChanged)
# For changing checkboxes (visibility)
QObject.connect(
self.inspectorModel,
SIGNAL("dataChanged(const QModelIndex &, const QModelIndex &)"),
self.inspectorDataChanged)
# For changing UI Element properties
QObject.connect(
self.propertyModel,
SIGNAL("dataChanged(const QModelIndex&,const QModelIndex&)"),
self.propertyDataChanged)
QObject.connect(self.ui.refresh, SIGNAL("clicked()"), self.refresh)
QObject.connect(self.ui.search, SIGNAL("clicked()"), self.userSearch)
QObject.connect(self.ui.lineEdit, SIGNAL('returnPressed()'),
self.userSearch)
def __init__(self, parent = None, f = 0):
"""
UI Element property inspector made up of two QTreeViews
"""
QWidget.__init__(self, parent)
self.ui = Ui_TrickplayInspector()
self.ui.setupUi(self)
self.ui.refresh.setEnabled(False)
self.ui.search.setEnabled(False)
# Ignore signals while updating elements internally
self.preventChanges = False
# Searches find multiple items with the same name
#self.lastSearchedText = None
#self.lastSearchedItem = None
# Models
self.inspectorModel = TrickplayElementModel(self)
self.propertyModel = TrickplayPropertyModel()
self.ui.inspector.setModel(self.inspectorModel)
self.ui.property.setModel(self.propertyModel)
self.ui.lineEdit.setPlaceholderText("Search by GID or Name")
self.setHeaders(self.inspectorModel, ['UI Element', 'Name'])
self.setHeaders(self.propertyModel, ['Property', 'Value'])
# QTreeView selectionChanged signal doesn't seem to work here...
# Use the selection model instead
QObject.connect(self.ui.inspector.selectionModel(),
SIGNAL('selectionChanged(QItemSelection, QItemSelection)'),
self.selectionChanged)
# For changing checkboxes (visibility)
QObject.connect(self.inspectorModel,
SIGNAL("dataChanged(const QModelIndex &, const QModelIndex &)"),
self.inspectorDataChanged)
# For changing UI Element properties
QObject.connect(self.propertyModel,
SIGNAL("dataChanged(const QModelIndex&,const QModelIndex&)"),
self.propertyDataChanged)
QObject.connect(self.ui.refresh,
SIGNAL("clicked()"),
self.refresh)
QObject.connect(self.ui.search,
SIGNAL("clicked()"),
self.userSearch)
QObject.connect(self.ui.lineEdit,
SIGNAL('returnPressed()'),
self.userSearch)
class TrickplayInspector(QWidget):
def __init__(self, parent=None, f=0):
"""
UI Element property inspector made up of two QTreeViews
"""
QWidget.__init__(self, parent)
self.ui = Ui_TrickplayInspector()
self.ui.setupUi(self)
self.ui.refresh.setEnabled(False)
self.ui.search.setEnabled(False)
# Ignore signals while updating elements internally
self.preventChanges = False
# Searches find multiple items with the same name
#self.lastSearchedText = None
#self.lastSearchedItem = None
# Models
self.inspectorModel = TrickplayElementModel(self)
self.propertyModel = TrickplayPropertyModel()
self.ui.inspector.setModel(self.inspectorModel)
self.ui.property.setModel(self.propertyModel)
self.ui.lineEdit.setPlaceholderText("Search by GID or Name")
self.setHeaders(self.inspectorModel, ['UI Element', 'Name'])
self.setHeaders(self.propertyModel, ['Property', 'Value'])
# QTreeView selectionChanged signal doesn't seem to work here...
# Use the selection model instead
QObject.connect(
self.ui.inspector.selectionModel(),
SIGNAL('selectionChanged(QItemSelection, QItemSelection)'),
self.selectionChanged)
# For changing checkboxes (visibility)
QObject.connect(
self.inspectorModel,
SIGNAL("dataChanged(const QModelIndex &, const QModelIndex &)"),
self.inspectorDataChanged)
# For changing UI Element properties
QObject.connect(
self.propertyModel,
SIGNAL("dataChanged(const QModelIndex&,const QModelIndex&)"),
self.propertyDataChanged)
QObject.connect(self.ui.refresh, SIGNAL("clicked()"), self.refresh)
QObject.connect(self.ui.search, SIGNAL("clicked()"), self.userSearch)
QObject.connect(self.ui.lineEdit, SIGNAL('returnPressed()'),
self.userSearch)
def refresh(self):
"""
Fill the inspector with Trickplay UI element data
"""
self.preventChanges = True
# Reselect gid of last item selected
gid = None
try:
index = self.selected(self.ui.inspector)
item = self.inspectorModel.itemFromIndex(index)
gid = item['gid']
except:
gid = 1
# Get all new data
self.inspectorModel.empty()
self.inspectorModel.fill()
self.propertyModel.empty()
self.preventChanges = False
# Find the last item after getting new data so that
# both trees reflect the changes
result = self.search(gid, 'gid')
if result:
self.selectItem(result)
def setHeaders(self, model, headers):
"""
Set headers for a given model
"""
model.setHorizontalHeaderLabels(headers)
def selected(self, view=None):
"""
Return the selected index from the view given or None
"""
view = view or self.ui.inspector
try:
i = view.selectionModel().selection()
return i.indexes()[0]
except:
return None
def userSearch(self):
"""
Perform a search and select the item found
TODO:
If search is pressed multiple times with the same string, then
search for the next item matching the search
"""
text = self.ui.lineEdit.text()
# Search by gid if possible, otherwise name
property = None
try:
text = int(text)
property = 'gid'
except:
property = 'name'
#item = None
#if self.lastSearchedText == text:
# item = self.lastSearchedItem
result = self.search(text, property)
if result:
print('Found', result['gid'], result['name'])
#self.lastSearchedText = text
#self.lastSearchedItem = item
self.selectItem(result)
else:
print('UI Element not found')
def search(self, value, property, start=None):
"""
Search for a node by one of its properties
"""
return self.inspectorModel.search(property, value, start)
def selectItem(self, item):
"""
Select a row of the inspector model (as the result of a search)
"""
topLeft = item.index()
bottomRight = item.partner().index()
self.ui.inspector.scrollTo(topLeft, 3)
self.ui.inspector.selectionModel().select(
QItemSelection(topLeft, bottomRight),
QItemSelectionModel.SelectCurrent)
# "selectionChanged(QItemSelection, QItemSelection)"
def selectionChanged(self, selected, deselected):
"""
Re-populate the property view every time a new UI element
is selected in the inspector view.
"""
print(selected, deselected)
if not self.preventChanges:
self.preventChanges = True
index = self.selected(self.ui.inspector)
item = self.inspectorModel.itemFromIndex(index)
data = item.TPJSON()
print "-----------"
print data
print "-----------"
self.propertyModel.fill(data)
self.preventChanges = False
# "dataChanged(const QModelIndex &, const QModelIndex &)"
def inspectorDataChanged(self, topLeft, bottomRight):
"""
Change UI Element visibility using checkboxes
"""
if not self.preventChanges:
self.preventChanges = True
item = topLeft.model().itemFromIndex(topLeft)
# Only nodes in the first column have checkboxes
if 0 == item.column():
checkState = bool(item.checkState())
if self.sendData(item['gid'], 'is_visible', checkState):
item['is_visible'] = checkState
self.propertyModel.fill(item.TPJSON())
self.preventChanges = False
# "dataChanged(const QModelIndex &, const QModelIndex &)"
def propertyDataChanged(self, topLeft, bottomRight):
"""
Change UI Element properties
"""
if not self.preventChanges:
self.preventChanges = True
model = topLeft.model()
item = model.itemFromIndex(topLeft)
gid = item['gid']
# For example, if changing { 'size' : { 'w' : 100 , 'h' : 200 } },
# then subtitle would be 'size' and title would be 'w' or 'h'
title = model.title(item)
subtitle = model.subtitle(item)
value = model.prepareData(item)
if self.sendData(gid, subtitle + title, value):
model.updateData(item)
else:
model.revertData(item)
print('Error >> Unable to send data to Trickplay')
self.preventChanges = False
def sendData(self, gid, property, value):
"""
Send changed properties to Trickplay device
"""
try:
property, value = modelToData(property, value)
except BadDataException, (e):
print("Error >> Invalid data entered", e.value)
return False
print('Sending:', gid, property, value)
return connection.send({'gid': gid, 'properties': {property: value}})
class TrickplayInspector(QWidget):
def __init__(self, parent = None, f = 0):
"""
UI Element property inspector made up of two QTreeViews
"""
QWidget.__init__(self, parent)
self.ui = Ui_TrickplayInspector()
self.ui.setupUi(self)
self.ui.refresh.setEnabled(False)
self.ui.search.setEnabled(False)
# Ignore signals while updating elements internally
self.preventChanges = False
# Searches find multiple items with the same name
#self.lastSearchedText = None
#self.lastSearchedItem = None
# Models
self.inspectorModel = TrickplayElementModel(self)
self.propertyModel = TrickplayPropertyModel()
self.ui.inspector.setModel(self.inspectorModel)
self.ui.property.setModel(self.propertyModel)
self.ui.lineEdit.setPlaceholderText("Search by GID or Name")
self.setHeaders(self.inspectorModel, ['UI Element', 'Name'])
self.setHeaders(self.propertyModel, ['Property', 'Value'])
# QTreeView selectionChanged signal doesn't seem to work here...
# Use the selection model instead
QObject.connect(self.ui.inspector.selectionModel(),
SIGNAL('selectionChanged(QItemSelection, QItemSelection)'),
self.selectionChanged)
# For changing checkboxes (visibility)
QObject.connect(self.inspectorModel,
SIGNAL("dataChanged(const QModelIndex &, const QModelIndex &)"),
self.inspectorDataChanged)
# For changing UI Element properties
QObject.connect(self.propertyModel,
SIGNAL("dataChanged(const QModelIndex&,const QModelIndex&)"),
self.propertyDataChanged)
QObject.connect(self.ui.refresh,
SIGNAL("clicked()"),
self.refresh)
QObject.connect(self.ui.search,
SIGNAL("clicked()"),
self.userSearch)
QObject.connect(self.ui.lineEdit,
SIGNAL('returnPressed()'),
self.userSearch)
def refresh(self):
"""
Fill the inspector with Trickplay UI element data
"""
self.preventChanges = True
# Reselect gid of last item selected
gid = None
try:
index = self.selected(self.ui.inspector)
item = self.inspectorModel.itemFromIndex(index)
gid = item['gid']
except:
gid = 1
# Get all new data
self.inspectorModel.empty()
self.inspectorModel.fill()
self.propertyModel.empty()
self.preventChanges = False
# Find the last item after getting new data so that
# both trees reflect the changes
result = self.search(gid, 'gid')
if result:
self.selectItem(result)
def setHeaders(self, model, headers):
"""
Set headers for a given model
"""
model.setHorizontalHeaderLabels(headers)
def selected(self, view = None):
"""
Return the selected index from the view given or None
"""
view = view or self.ui.inspector
try:
i = view.selectionModel().selection()
return i.indexes()[0]
except:
return None
def userSearch(self):
"""
Perform a search and select the item found
TODO:
If search is pressed multiple times with the same string, then
search for the next item matching the search
"""
text = self.ui.lineEdit.text()
# Search by gid if possible, otherwise name
property = None
try:
text = int(text)
property = 'gid'
except:
property = 'name'
#item = None
#if self.lastSearchedText == text:
# item = self.lastSearchedItem
result = self.search(text, property)
if result:
print('Found', result['gid'], result['name'])
#self.lastSearchedText = text
#self.lastSearchedItem = item
self.selectItem(result)
else:
print('UI Element not found')
def search(self, value, property, start = None):
"""
Search for a node by one of its properties
"""
return self.inspectorModel.search(property, value, start)
def selectItem(self, item):
"""
Select a row of the inspector model (as the result of a search)
"""
topLeft = item.index()
bottomRight = item.partner().index()
self.ui.inspector.scrollTo(topLeft, 3)
self.ui.inspector.selectionModel().select(
QItemSelection(topLeft, bottomRight),
QItemSelectionModel.SelectCurrent)
# "selectionChanged(QItemSelection, QItemSelection)"
def selectionChanged(self, selected, deselected):
"""
Re-populate the property view every time a new UI element
is selected in the inspector view.
"""
print (selected, deselected)
if not self.preventChanges:
self.preventChanges = True
index = self.selected(self.ui.inspector)
item = self.inspectorModel.itemFromIndex(index)
data = item.TPJSON()
print "-----------"
print data
print "-----------"
self.propertyModel.fill(data)
self.preventChanges = False
# "dataChanged(const QModelIndex &, const QModelIndex &)"
def inspectorDataChanged(self, topLeft, bottomRight):
"""
Change UI Element visibility using checkboxes
"""
if not self.preventChanges:
self.preventChanges = True
item = topLeft.model().itemFromIndex(topLeft)
# Only nodes in the first column have checkboxes
if 0 == item.column():
checkState = bool(item.checkState())
if self.sendData(item['gid'], 'is_visible', checkState):
item['is_visible'] = checkState
self.propertyModel.fill(item.TPJSON())
self.preventChanges = False
# "dataChanged(const QModelIndex &, const QModelIndex &)"
def propertyDataChanged(self, topLeft, bottomRight):
"""
Change UI Element properties
"""
if not self.preventChanges:
self.preventChanges = True
model = topLeft.model()
item = model.itemFromIndex(topLeft)
gid = item['gid']
# For example, if changing { 'size' : { 'w' : 100 , 'h' : 200 } },
# then subtitle would be 'size' and title would be 'w' or 'h'
title = model.title(item)
subtitle = model.subtitle(item)
value = model.prepareData(item)
if self.sendData(gid, subtitle + title, value):
model.updateData(item)
else:
model.revertData(item)
print('Error >> Unable to send data to Trickplay')
self.preventChanges = False
def sendData(self, gid, property, value):
"""
Send changed properties to Trickplay device
"""
try:
property, value = modelToData(property, value)
except BadDataException, (e):
print("Error >> Invalid data entered", e.value)
return False
print('Sending:', gid, property, value)
return connection.send({'gid': gid,
'properties' : {property : value}})