#!/usr/bin/env python
#
# Copyright (c) 2000, by Arun Sharma
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. The name of the developer may NOT be used to endorse or promote products
#    derived from this software without specific prior written permission.

# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#      $Id: $


import sys, string, fileinput

from qt import QWidget, QPopupMenu, QSplitter, QSize 
from qt import SIGNAL, CTRL, Key_Q, Key_O, Key_S

from kdecore import KApplication, KDNDDropZone
from kdecore import kapp, DndURL, i18n, Icon

from kdeui import KTMainWindow, KTreeList, KTreeListItem, KTabListBox 
from kdeui import KMsgBox
from kfile import KFileDialog

class KLogViewWidget(QWidget):
    def __init__(self, parent, filename, *args):
	apply(QWidget.__init__,(self, parent,) + args)

	tlist = self.tlist = KTabListBox(self, "Logs", 4)
	tlist.setColumn(0, "Date", 80)
	tlist.setColumn(1, "Time", 80)
	tlist.setColumn(2, "Source", 150)
	tlist.setColumn(3, "Message", 800)
	tlist.setSeparator('#')
	tlist.show()
	tlist.setMinimumSize(QSize(800, 400))

	# Now populate the tablist
	for line in fileinput.input(filename):
	    if (string.find(line, 'last message repeated') != -1):
		continue
	    
	    date = line[:6]
	    time = line[8:16]
	    host, source, message = string.split(line[16:], ' ', 2)
	    # strip the colon
	    source = source[:-1]
	    tlist.insertItem(string.join((date, time, source, message), '#'))


class KLogView(KTMainWindow):
    TOOLBAR_EXIT = 0
    TOOLBAR_OPEN = 1
    TOOLBAR_SAVE = 2

    def __init__(self, *args):
	if len(sys.argv) > 1:
	    filename = sys.argv[1]
	    sys.argv = sys.argv[2:]
	else:
	    # Default log file
	    filename = "/var/log/messages"
	
	apply(KTMainWindow.__init__,(self,) + args)

	# The main widget.

	if filename:
	    mainw = KLogViewWidget(self, filename)
	    self.view = mainw
	    self.setView(mainw)


	# Create the drop zone.

	self.dropZone = KDNDDropZone(self,DndURL)
	self.connect(self.dropZone,SIGNAL("dropAction(KDNDDropZone *)"),self.slotDropEvent);

	# Build the menus.

	self.fileMenu = QPopupMenu()
	self.fileMenu.insertItem(i18n("&Open"),self.open,CTRL+Key_O)
	self.fileMenu.insertItem(i18n("&Save"),self.save,CTRL+Key_S)
	self.fileMenu.insertItem(i18n("&Quit"),kapp.quit,CTRL+Key_Q)

	self.menuBar().insertItem(i18n("&File"),self.fileMenu)
	self.menuBar().insertSeparator()

	self.helpMenu = kapp.getHelpMenu(1,i18n(
				"KLogView --- A KDE based " +
				"Log viewer\n\n" +
				"(c) 1999 Arun Sharma\n" +
				"KLogView lets you " +
				"graphically view common log files"))
	self.menuBar().insertItem(i18n("&Help"),self.helpMenu)

	# Build the toolbar.

	self.toolBar().insertButton(Icon("fileopen.xpm"),KLogView.TOOLBAR_OPEN,1,i18n("Open"))
	self.toolBar().insertButton(Icon("filefloppy.xpm"),KLogView.TOOLBAR_SAVE,1,i18n("Save"))
	self.toolBar().insertButton(Icon("exit.xpm"),KLogView.TOOLBAR_EXIT,1,i18n("Exit"))

	self.connect(self.toolBar(),SIGNAL("clicked(int)"),self.slotToolbarClicked)
	self.enableStatusBar()

    def slotToolbarClicked(self,item):
	if item == KLogView.TOOLBAR_EXIT:
	    kapp.quit()
	else:
	    if item == KLogView.TOOLBAR_OPEN:
		self.open()
	    else:
		if item == KLogView.TOOLBAR_SAVE:
		    self.save()


    def slotDropEvent(self,zone):
	u = zone.getURLList()[0]
	print "Dropped", u

    def open(self):
	file = KFileDialog.getOpenFileName(".", "*.xml")
	if file:
	    self.hide()
	    mainw = KLogViewWidget(self, file)
	    self.view = mainw
	    self.setView(mainw)
	    self.show()

    def save(self):
	KMsgBox.message(None, "KLogView: Unimplemented",
			"This feature is not implemented")


app = KApplication(sys.argv,"klogviewer")
widget = KLogView()
widget.view.setMinimumSize(QSize(800, 450))
widget.setMinimumSize(QSize(800, 450))
widget.show()

app.exec_loop()