from Sink import Sink,SinkInfo
from pyjamas.ui.Button import Button
from pyjamas.ui.HorizontalPanel import HorizontalPanel
from pyjamas.ui.HTML import HTML
from pyjamas.ui.PasswordTextBox import PasswordTextBox
from pyjamas.ui.TextArea import TextArea
from pyjamas.ui.TextBox import TextBox
from pyjamas.ui.TextBoxBase import TextBoxBase
from pyjamas.ui.VerticalPanel import VerticalPanel
from pyjamas.ui.Widget import Widget
class Text(Sink):
def __init__(self):
Sink.__init__(self)
self.fPasswordText = PasswordTextBox()
self.fTextArea = TextArea()
self.fTextBox = TextBox()
panel = VerticalPanel()
panel.setSpacing(8)
panel.add(HTML("Normal text box:"))
panel.add(self.createTextThing(self.fTextBox))
panel.add(HTML("Password text box:"))
panel.add(self.createTextThing(self.fPasswordText))
panel.add(HTML("Text area:"))
panel.add(self.createTextThing(self.fTextArea))
self.initWidget(panel)
def onShow(self):
pass
def createTextThing(self, textBox):
p = HorizontalPanel()
p.setSpacing(4)
p.add(textBox)
echo = HTML()
select_all = Button("select all")
p.add(select_all)
p.add(echo)
listener=TextBoxListener(self, textBox, echo, select_all)
select_all.addClickListener(listener)
textBox.addKeyboardListener(listener)
textBox.addClickListener(listener)
return p
def updateText(self, text, echo):
echo.setHTML("Text: " + text.getText() + "<br>" + "Selection: %d" % text.getCursorPos() + ", %d" % text.getSelectionLength())
class TextBoxListener:
def __init__(self, parent, textBox, echo, select_all):
self.textBox=textBox
self.echo=echo
self.parent=parent
self.select_all=select_all
def onClick(self, sender):
if sender == self.select_all:
self.textBox.selectAll()
self.textBox.setFocus(True)
self.parent.updateText(self.textBox, self.echo)
def onKeyUp(self, sender, keyCode, modifiers):
self.parent.updateText(self.textBox, self.echo)
def onKeyDown(self, sender, keyCode, modifiers):
pass
def onKeyPress(self, sender, keyCode, modifiers):
pass
def init():
text="GWT includes the standard complement of text-entry widgets, each of which "
text+="supports keyboard and selection events you can use to control text entry. "
text+="In particular, notice that the selection range for each widget is "
text+="updated whenever you press a key. "
text+="This can be a bit tricky on some browsers, but the GWT class library "
text+="takes care of the plumbing for you automatically."
return SinkInfo("Text", text, Text)
|