def listResults(self):
#Window.alert(str(len(self.results)))
row = 0
Entry = FlexTable()
Entry.addStyleName("comments")
for r in self.results:
self.addRow(Entry,r, row)
row = row+1
self.mainPanel.add(Entry)
class StockWatcher:
def onModuleLoad(self):
'''
This is the main entry point method.
'''
# Setup JSON RPC
self.remote = DataService()
# Initialize member variables
self.mainPanel = VerticalPanel()
self.stocksFlexTable = FlexTable()
self.addPanel = HorizontalPanel()
self.newSymbolTextBox = TextBox()
self.lastUpdatedLabel = Label()
self.addStockButton = Button('Add', self.addStock)
self.stocks = []
self.stocksTableColumns = ['Symbol', 'Price', 'Change', 'Remove']
# Add styles to elements in the stock list table
self.stocksFlexTable.getRowFormatter().addStyleName(0, 'watchListHeader')
self.stocksFlexTable.addStyleName('watchList')
self.stocksFlexTable.getCellFormatter().addStyleName(0, 1, 'watchListNumericColumn')
self.stocksFlexTable.getCellFormatter().addStyleName(0, 2, 'watchListNumericColumn')
self.stocksFlexTable.getCellFormatter().addStyleName(0, 3, 'watchListRemoveColumn')
# Create table for stock data
for i in range(len(self.stocksTableColumns)):
self.stocksFlexTable.setText(0, i, self.stocksTableColumns[i])
# Assemble Add Stock panel
self.addPanel.add(self.newSymbolTextBox)
self.addPanel.add(self.addStockButton)
self.addPanel.addStyleName('addPanel')
# Assemble Main panel
self.mainPanel.add(self.stocksFlexTable)
self.mainPanel.add(self.addPanel)
self.mainPanel.add(self.lastUpdatedLabel)
# Associate the Main panel with the HTML host page
RootPanel().add(self.mainPanel)
# Move cursor focus to the input box
self.newSymbolTextBox.setFocus(True)
# Setup timer to refresh list automatically
refresh = self.refreshWatchlist
class MyTimer(Timer):
def run(self):
refresh()
refreshTimer = MyTimer()
refreshTimer.scheduleRepeating(5000)
# Listen for keyboard events in the input box
self_addStock = self.addStock
class StockTextBox_KeyboardHandler():
def onKeyPress(self, sender, keycode, modifiers):
if keycode == KEY_ENTER:
self_addStock()
def onKeyDown(self, sender, keycode, modifiers): return
def onKeyUp(self, sender, keycode, modifiers): return
self.newSymbolTextBox.addKeyboardListener(StockTextBox_KeyboardHandler())
# Load the stocks
self.remote.getStocks(self)
def addStock(self, sender, symbol=None):
'''
Add stock to FlexTable. Executed when the user clicks the addStockButton
or presses enter in the newSymbolTextBox
'''
if symbol is None:
# Get the symbol
symbol = self.newSymbolTextBox.getText().upper().trim()
self.newSymbolTextBox.setText('')
# Don't add the stock if it's already in the table
if symbol in self.stocks:
return
# Tell the server that we're adding this stock
self.remote.addStock(symbol, self)
self.newSymbolTextBox.setFocus(True)
# Stocks code must be between 1 and 10 chars that are numbers/letters/dots
p = re.compile('^[0-9A-Z\\.]{1,10}$')
if p.match(symbol) == None:
Window.alert('"%s" is not a valid symbol.' % symbol)
self.newSymbolTextBox.selectAll()
return
# Add the stock to the table
row = self.stocksFlexTable.getRowCount()
self.stocks.append(symbol)
self.stocksFlexTable.setText(row, 0, symbol)
self.stocksFlexTable.setWidget(row, 2, Label())
self.stocksFlexTable.getCellFormatter().addStyleName(row, 1, 'watchListNumericColumn')
self.stocksFlexTable.getCellFormatter().addStyleName(row, 2, 'watchListNumericColumn')
self.stocksFlexTable.getCellFormatter().addStyleName(row, 3, 'watchListRemoveColumn')
# Add a button to remove this stock from the table
def _removeStockButton_Click(event):
if symbol not in self.stocks:
return
removedIndex = self.stocks.index(symbol)
self.remote.deleteStock(symbol, self)
self.stocks.remove(symbol)
self.stocksFlexTable.removeRow(removedIndex + 1)
removeStockButton = Button('x', _removeStockButton_Click)
removeStockButton.addStyleDependentName('remove')
self.stocksFlexTable.setWidget(row, 3, removeStockButton)
# Get the stock price
self.refreshWatchlist()
def refreshWatchlist(self):
'''
Update the price change for each stock
'''
MAX_PRICE = 100.0
MAX_PRICE_CHANGE = 0.02
prices = []
for i in range(len(self.stocks)):
price = random.random() * MAX_PRICE
change = price * MAX_PRICE_CHANGE * (random.random() * 2.0 - 1.0)
prices.append(StockPrice(self.stocks[i], price, change))
self.updateTable(prices)
def updateTable(self, prices):
'''
Update the price and change fields of all the rows in the stock table
prices -- List of StockPrice objects for all rows
'''
# Type checking
assert isinstance(prices, list)
for price in prices:
assert isinstance(price, StockPrice)
# Nothing to do...
if len(prices) == 0:
return
# Update each individual row
for i in range(len(prices)):
self.updateRow(prices[i])
# Display timestamp showing last refresh
self.lastUpdatedLabel.setText("Last update: %s" % datetime.datetime.now().strftime("%m/%d/%Y %I:%M:%S %p"))
def updateRow(self, price):
'''
Update a single row in the stock table
price -- StockPrice object for a single row
'''
# Type checking
assert isinstance(price, StockPrice)
# Make sure the stock is still in the stock table
if price.symbol not in self.stocks:
return
# Find the index of
row = self.stocks.index(price.symbol) + 1
# Populate the price and change fields with new data
self.stocksFlexTable.setText(row, 1, '%.2f' % price.price)
changeWidget = self.stocksFlexTable.getWidget(row, 2)
changeWidget.setText('%.2f (%.2f%%)' % (price.change, price.getChangePercent()))
# Change the color of the text in the Change field based on its value
changeStyleName = 'noChange'
if price.getChangePercent() < -0.1:
changeStyleName = 'negativeChange'
else:
changeStyleName = 'positiveChange'
changeWidget.setStyleName(changeStyleName)
def onRemoteResponse(self, response, request_info):
'''
Called when a response is received from a RPC.
'''
if request_info.method in DataService.methods:
# Compare self.stocks and the stocks in response
stocks_set = set(self.stocks)
response_set = set(response)
# Add the differences
for symbol in list(response_set.difference(stocks_set)):
self.addStock(None, symbol)
else:
Window.alert('Unrecognized JSONRPC method.')
def onRemoteError(self, code, message, request_info):
Window.alert(message)
class MovieRatings:
def onModuleLoad(self):
# Setup JSON RPC
self.remote = DataService()
### Initialize member variables
self.mainPanel = HorizontalPanel()
self.rightPanel = VerticalPanel()
self.moviesPanel = VerticalPanel()
self.topRatedPanel = VerticalPanel()
self.categoriesPanel = VerticalPanel()
self.moviesFlexTable = FlexTable()
self.topRatedMoviesFlexTable = FlexTable()
self.topCategoryMoviesFlexTable = FlexTable()
self.lessThanFiveLabel = Label('There are less than 5 movies. Add more movies!')
self.moviesListLabel = Label('Movies List')
self.addPanel = VerticalPanel()
self.newMovieCategoryTextBox = TextBox()
self.newMovieNameTextBox = TextBox()
self.newMovieRatingListBox = ListBox(False)
self.addMovieButton = Button('Add', self.addMovieButton_Click)
self.movies = []
self.topRatedMovies = []
self.categories = {}
self.MAX_RATING = 10
### Add Movie Panel
# Add ratings to list box
for i in range(self.MAX_RATING + 1):
self.newMovieRatingListBox.addItem(str(i))
# Add label and textbox to horizontal panel
self.labelPanel = HorizontalPanel()
self.labelPanel.add(Label("Add a movie:"))
self.categoryPanel = HorizontalPanel()
self.categoryPanel.add(Label("Category: "))
self.categoryPanel.add(self.newMovieCategoryTextBox)
self.namePanel = HorizontalPanel()
self.namePanel.add(Label("Movie Name: "))
self.namePanel.add(self.newMovieNameTextBox)
self.ratingPanel = HorizontalPanel()
self.ratingPanel.add(Label("Movie Rating: "))
self.ratingPanel.add(self.newMovieRatingListBox)
self.labelPanel.addStyleName("addLabel")
self.labelPanel.setSpacing(5)
self.categoryPanel.addStyleName("addPanel")
self.categoryPanel.setSpacing(5)
self.namePanel.addStyleName("addPanel")
self.namePanel.setSpacing(5)
self.ratingPanel.addStyleName("addPanel")
self.ratingPanel.setSpacing(5)
self.newMovieCategoryTextBox.addStyleName("addPanel-input")
self.newMovieNameTextBox.addStyleName("addPanel-input")
self.newMovieRatingListBox.addStyleName("addPanel-input")
self.addPanel.add(self.labelPanel)
self.addPanel.add(self.categoryPanel)
self.addPanel.add(self.namePanel)
self.addPanel.add(self.ratingPanel)
self.addPanel.add(self.addMovieButton)
self.addPanel.addStyleName("addPanel")
self.addMovieButton.addStyleName('addButton')
self.addPanel.add(self.addMovieButton)
self.addPanel.addStyleName('addPanel')
### Movies table
self.moviesFlexTable.setText(0, 1, "Category")
self.moviesFlexTable.setText(0, 2, "Title")
self.moviesFlexTable.setText(0, 3, "Rating")
self.moviesFlexTable.addStyleName("movieList")
self.moviesFlexTable.getRowFormatter().addStyleName(0, "listHeader")
self.moviesFlexTable.setCellPadding(6)
self.moviesFlexTable.getCellFormatter().setStyleName(0, 1, "listHeaderColumn")
self.moviesFlexTable.getCellFormatter().setStyleName(0, 2, "listHeaderColumn")
self.moviesListLabel.addStyleName("listLabel")
self.moviesPanel.add(self.moviesListLabel)
self.moviesPanel.add(self.moviesFlexTable)
self.moviesPanel.setStyleName("moviesPanel")
### Top rated movies table
self.topRatedMoviesFlexTable.setText(0, 0, "Category")
self.topRatedMoviesFlexTable.setText(0, 1, "Title")
self.topRatedMoviesFlexTable.setText(0, 2, "Rating")
self.topRatedMoviesFlexTable.addStyleName("topMoviesList")
self.topRatedMoviesFlexTable.getRowFormatter().addStyleName(0, "listHeader")
self.topRatedMoviesFlexTable.setCellPadding(6)
self.topRatedMoviesFlexTable.getCellFormatter().setStyleName(0, 0, "listHeaderColumn")
self.topRatedMoviesFlexTable.getCellFormatter().setStyleName(0, 1, "listHeaderColumn")
self.topRatedLabel = Label("Top 5 Rated Movies")
self.topRatedLabel.addStyleName("listLabel")
self.lessThanFiveLabel.addStyleName("noticeLabel")
self.topRatedPanel.add(self.topRatedLabel)
self.topRatedPanel.add(self.topRatedMoviesFlexTable)
self.topRatedPanel.add(self.lessThanFiveLabel)
self.topRatedPanel.setStyleName("topRatedPanel")
### Categories table
self.topCategoryMoviesFlexTable.setText(0, 0, "Category")
self.topCategoryMoviesFlexTable.setText(0, 1, "Top Movie")
self.topCategoryMoviesFlexTable.setText(0, 2, "Average Rating")
self.topCategoryMoviesFlexTable.addStyleName("topCategoryMoviesList")
self.topCategoryMoviesFlexTable.getRowFormatter().addStyleName(0, "listHeader")
self.topCategoryMoviesFlexTable.setCellPadding(6)
self.topCategoryMoviesFlexTable.getCellFormatter().setStyleName(0, 0, "listHeaderColumn")
self.topCategoryMoviesFlexTable.getCellFormatter().setStyleName(0, 1, "listHeaderColumn")
self.categoriesLabel = Label("Movie Categories")
self.categoriesLabel.addStyleName("listLabel")
self.categoriesPanel.add(self.categoriesLabel)
self.categoriesPanel.add(self.topCategoryMoviesFlexTable)
self.categoriesPanel.setStyleName("categoriesPanel")
### Assemble Main panel
self.rightPanel.add(self.topRatedPanel)
self.rightPanel.add(self.categoriesPanel)
self.mainPanel.add(self.moviesPanel)
self.mainPanel.add(self.rightPanel)
self.mainPanel.setStyleName("mainPanel")
self.mainPanel.setSpacing(25)
# Associate panels with the HTML host page
RootPanel('addPanel').add(self.addPanel)
RootPanel('main').add(self.mainPanel)
# Move cursor focus to the input box
self.newMovieNameTextBox.setFocus(True)
# Load the movies
self.remote.getMovies(self)
def verifyInputs(self, name, category):
if len(name) == 0:
Window.alert("Movie name cannot be empty.")
return False
if len(name) > 100:
Window.alert("Movie name is too long. Maximum length is 100 characters.")
return False
if len(category) == 0:
Window.alert("Category cannot be empty.")
return False
p = re.compile('^[0-9A-Za-z\\.\\-\\(\\) ]{1,100}$')
if p.match(category) == None:
Window.alert('"%s" is not a valid category.' % category)
return False
return True
def addMovieButton_Click(self, event):
name = self.newMovieNameTextBox.getText().trim()
cat = self.newMovieCategoryTextBox.getText().trim().lower()
category = cat[0].upper() + cat[1:]
rating = self.newMovieRatingListBox.getSelectedIndex()
if not self.verifyInputs(name, category):
return
movie = Movie(name, category, rating)
if movie in self.movies:
Window.alert("'" + name + "' is already in table.")
self.newMovieNameTextBox.selectAll()
return
self.remote.addMovie((name, category, rating), self)
self.newMovieNameTextBox.setText('')
def addMovie(self, sender, movie):
self.movies.append(movie)
row = self.moviesFlexTable.getRowCount()
self.moviesFlexTable.setText(row, 1, movie.category)
self.moviesFlexTable.setText(row, 2, movie.name)
self.moviesFlexTable.setText(row, 3, movie.rating)
# Adds buttons for remove, edit, save and cancel
removeMovieButton = Button("x")
editMovieButton = Button("Edit")
saveButton = Button("Save")
cancelButton = Button("Cancel")
# Save and cancel are hidden by default
saveButton.setVisible(False)
cancelButton.setVisible(False)
# Add buttons to row
buttons = HorizontalPanel()
buttons.add(removeMovieButton)
buttons.add(editMovieButton)
buttons.add(cancelButton)
buttons.add(saveButton)
self.moviesFlexTable.setWidget(row, 0, buttons)
def removeMovieButton_Click(sender):
self.remote.deleteMovie((movie.name, movie.category), self)
removeMovieButton.addClickListener(removeMovieButton_Click)
def editMovieButton_Click(sender):
# Add textboxes and listbox
editMovieButton.setVisible(False)
cancelButton.setVisible(True)
saveButton.setVisible(True)
editCategory = TextBox()
editName = TextBox()
editRating = ListBox(False)
for i in range(self.MAX_RATING + 1):
editRating.addItem(str(i))
# Variable width textboxes
catlen = len(movie.category)
namelen = len(movie.name)
if (catlen > 8):
editCategory.setWidth(str(catlen*10) + "px")
else:
editCategory.setWidth("80px")
if (namelen > 8):
editName.setWidth(str(namelen*10) + "px")
else:
editName.setWidth("80px")
self.moviesFlexTable.setWidget(row, 1, editCategory)
self.moviesFlexTable.setWidget(row, 2, editName)
self.moviesFlexTable.setWidget(row, 3, editRating)
editCategory.setText(movie.category)
editName.setText(movie.name)
editRating.setSelectedIndex(movie.rating)
editMovieButton.addClickListener(editMovieButton_Click)
def saveButton_Click(sender):
catText = self.moviesFlexTable.getWidget(row, 1)
nameText = self.moviesFlexTable.getWidget(row, 2)
ratingList = self.moviesFlexTable.getWidget(row, 3)
newCategory = catText.getText().trim().lower()
newCategory = newCategory[0].upper() + newCategory[1:]
newName = nameText.getText().trim()
newRating = ratingList.getSelectedIndex()
if not self.verifyInputs(newName, newCategory):
return
# Removes temporarily to check for duplicates
self.movies.remove(movie)
newMovie = Movie(newName, newCategory, newRating)
if newMovie in self.movies:
Window.alert("'" + newName + "' is already in table.")
nameText.selectAll()
return
self.remote.editMovie((movie.name, movie.category), (newMovie.name, newMovie.category, newMovie.rating), self)
saveButton.addClickListener(saveButton_Click)
def cancelButton_Click(sender):
self.moviesFlexTable.remove(self.moviesFlexTable.getWidget(row, 1))
self.moviesFlexTable.remove(self.moviesFlexTable.getWidget(row, 2))
self.moviesFlexTable.remove(self.moviesFlexTable.getWidget(row, 3))
# Reverts fields to old movie info
self.moviesFlexTable.setText(row, 1, movie.category)
self.moviesFlexTable.setText(row, 2, movie.name)
self.moviesFlexTable.setText(row, 3, movie.rating)
cancelButton.setVisible(False)
saveButton.setVisible(False)
editMovieButton.setVisible(True)
cancelButton.addClickListener(cancelButton_Click)
def updateTopRatedMovies(self):
numTopRated = len(self.topRatedMovies)
self.clearTable(self.topRatedMoviesFlexTable)
for row in range(numTopRated):
self.topRatedMoviesFlexTable.setText(row+1, 0, self.topRatedMovies[row].category)
self.topRatedMoviesFlexTable.setText(row+1, 1, self.topRatedMovies[row].name)
self.topRatedMoviesFlexTable.setText(row+1, 2, self.topRatedMovies[row].rating)
# Label should only be visible if less than 5 movies
self.lessThanFiveLabel.setVisible(numTopRated < 5)
def updateCategories(self):
self.clearTable(self.topCategoryMoviesFlexTable)
for row, cat in enumerate(self.categories):
self.topCategoryMoviesFlexTable.setText(row+1, 0, cat + " (" + str(self.categories[cat][2]) + ")")
self.topCategoryMoviesFlexTable.setText(row+1, 1, self.categories[cat][0])
self.topCategoryMoviesFlexTable.setText(row+1, 2, "%.1f" % float(self.categories[cat][1]))
def clearTable(self, table):
try:
for i in range(table.getRowCount()):
table.removeRow(1)
except:
pass
# Called when a response is received from a RPC.
def onRemoteResponse(self, response, request_info):
if request_info.method in ['getMovies', 'addMovie', 'deleteMovie', 'editMovie']:
# Clear current and add all
self.movies = []
self.clearTable(self.moviesFlexTable)
for m in response:
movie = Movie(m[0], m[1], m[2])
self.addMovie(None, movie)
self.moviesListLabel.setText("Movies List (" + str(len(self.movies)) + ")")
self.remote.getTopRated(self)
self.remote.getCategories(self)
if request_info.method == 'getTopRated':
# Update top rated
self.topRatedMovies = []
for m in response:
movie = Movie(m[0], m[1], m[2])
self.topRatedMovies.append(movie)
self.updateTopRatedMovies()
if request_info.method == 'getCategories':
# Update categories
self.categories = response
self.updateCategories()
