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from pyjamas.ui.Composite import Composite
from pyjamas.ui.DockPanel import DockPanel
from pyjamas.ui.HTML import HTML
from pyjamas.ui.HorizontalPanel import HorizontalPanel
from pyjamas.ui.DockPanel import DockPanel
from pyjamas.ui import HasAlignment
from pyjamas.ui.Button import Button
from pyjamas.ui.Grid import Grid
from pyjamas.ui.RootPanel import RootPanel
class NavBar(Composite):
def __init__(self, owner):
Composite.__init__(self)
self.owner = owner
self.bar = DockPanel()
self.gotoFirst = Button("<<", self)
self.gotoNext = Button(">", self)
self.gotoPrev = Button("<", self)
self.status = HTML()
self.initWidget(self.bar)
self.bar.setStyleName("navbar")
self.status.setStyleName("status")
buttons = HorizontalPanel()
buttons.add(self.gotoFirst)
buttons.add(self.gotoPrev)
buttons.add(self.gotoNext)
self.bar.add(buttons, DockPanel.EAST)
self.bar.setCellHorizontalAlignment(buttons, HasAlignment.ALIGN_RIGHT)
self.bar.add(self.status, DockPanel.CENTER)
self.bar.setVerticalAlignment(HasAlignment.ALIGN_MIDDLE)
self.bar.setCellHorizontalAlignment(self.status, HasAlignment.ALIGN_RIGHT)
self.bar.setCellVerticalAlignment(self.status, HasAlignment.ALIGN_MIDDLE)
self.bar.setCellWidth(self.status, "100%")
self.gotoPrev.setEnabled(False)
self.gotoFirst.setEnabled(False)
def onClick(self, sender):
if sender == self.gotoNext:
self.owner.startRow += self.owner.getDataRowCount()
self.owner.refresh()
elif sender == self.gotoPrev:
self.owner.startRow -= self.owner.getDataRowCount()
if self.owner.startRow < 0:
self.owner.startRow = 0
self.owner.refresh()
elif sender == self.gotoFirst:
self.owner.startRow = 0
self.owner.refresh()
class RowDataAcceptorImpl:
def __init__(self, owner):
self.owner = owner
def accept(self, startRow, data):
destRowCount = self.owner.getDataRowCount()
destColCount = self.owner.grid.getCellCount(0)
srcRowIndex = 0
srcRowCount = len(data)
destRowIndex = 1
while srcRowIndex < srcRowCount:
srcRowData = data[srcRowIndex]
for srcColIndex in range(destColCount):
cellHTML = srcRowData[srcColIndex]
self.owner.grid.setText(destRowIndex, srcColIndex, cellHTML)
srcRowIndex += 1
destRowIndex += 1
isLastPage = False
while destRowIndex < destRowCount + 1:
isLastPage = True
for destColIndex in range(destColCount):
self.owner.grid.clearCell(destRowIndex, destColIndex)
destRowIndex += 1
self.owner.navbar.gotoNext.setEnabled(not isLastPage)
self.owner.navbar.gotoFirst.setEnabled(startRow > 0)
self.owner.navbar.gotoPrev.setEnabled(startRow > 0)
self.owner.setStatusText(str(startRow + 1) + " - " + str(startRow + srcRowCount))
def failed(self, message):
msg = "Failed to access data"
if message:
msg = "%s: %s" % (msg, message)
RootPanel().add(HTML(msg))
class DynaTableWidget(Composite):
def __init__(self, provider, columns, columnStyles, rowCount):
Composite.__init__(self)
self.acceptor = RowDataAcceptorImpl(self)
self.outer = DockPanel()
self.startRow = 0
self.grid = Grid()
self.navbar = NavBar(self)
self.provider = provider
self.initWidget(self.outer)
self.grid.setStyleName("table")
self.outer.add(self.navbar, DockPanel.NORTH)
self.outer.add(self.grid, DockPanel.CENTER)
self.initTable(columns, columnStyles, rowCount)
self.setStyleName("DynaTable-DynaTableWidget")
def initTable(self, columns, columnStyles, rowCount):
self.grid.resize(rowCount + 1, len(columns))
for i in range(len(columns)):
self.grid.setText(0, i, columns[i])
if columnStyles:
self.grid.cellFormatter.setStyleName(0, i, columnStyles[i] + "header")
def setStatusText(self, text):
self.navbar.status.setText(text)
def clearStatusText(self, text):
self.navbar.status.setHTML("&nbsp;")
def refresh(self):
self.navbar.gotoFirst.setEnabled(False)
self.navbar.gotoPrev.setEnabled(False)
self.navbar.gotoNext.setEnabled(False)
self.setStatusText("Please wait...")
self.provider.updateRowData(self.startRow, self.grid.getRowCount() - 1, self.acceptor)
def setRowCount(self, rows):
self.grid.resizeRows(rows)
def getDataRowCount(self):
return self.grid.getRowCount() - 1