"""
GUI Automated Testing

This module contains interface to the TextBox component.
"""

__author__ = "Lukas Cenovsky (lukas.cenovsky@bakalari.cz)"
__version__ = "0.2"
__date__ = "August 2008"
__copyright__ = "Copyright (c) 2008 Lukas Cenovsky"

from time import sleep
from Win32API import Win32API
from BaseComponent import BaseComponent

class TextBox(BaseComponent):
    """interface to the TextBox component"""

    def FocusEditor(self):
        """ set cursor to the text edit
            we cannot test if it contains the focus because the method
            self._control.Focused does not work"""
        self.guiat.Activate()
        self._CheckVisibility()
        pos = self.location
        Win32API.MouseClick(pos[0] + (pos[2]/2), pos[1] + (pos[3]/2))
        sleep(0.2)

    def Clear(self):
        """ clear the text from text edit
            simulate pressing Home key and multiple Delete keys until the text edit is empty"""
        self.FocusEditor()
        Win32API.SendKey(Win32API.VK_HOME)
        # sending just len(TextBox.Text) Delete keys might not be enough
        for i in range(2000):
            if self.value == '':
                break
            else:
                Win32API.SendKey(Win32API.VK_DELETE)
        if self.value != '':
            raise Exception("Text not cleared: '%s'" % self.value)

    def Write(self, aString):
        """ write text to the control"""
        self.Clear()
        Win32API.SendString(aString)
        sleep(0.2)
        if self.value != aString:
            raise Exception("Text '%s' not written correctly: '%s'" % \
                    (aString, self.value))

    # property providing easy access to the text box component value
    value = property(lambda self: self._control.Text, Write)