from PySide.QtCore import *
from PySide.QtGui import *


class HelpForm(QDialog):

	def __init__(self, page, parent=None):
		super(HelpForm, self).__init__(parent)
		self.setAttribute(Qt.WA_DeleteOnClose)
		self.setAttribute(Qt.WA_GroupLeader)

		backAction = QAction(QIcon(":/back.png"), self.tr("&Back"),
		                    self)

		#icon = self.style().standardIcon(QStyle.SP_ArrowLeft)
		#backAction = QAction(icon, self.tr("&Back"),self)

		backAction.setShortcut(QKeySequence.Back)
		homeAction = QAction(QIcon(":/home.png"), self.tr("&Home"),
							 self)
		homeAction.setShortcut(self.tr("Home"))
		self.pageLabel = QLabel()

		toolBar = QToolBar()
		toolBar.addAction(backAction)
		toolBar.addAction(homeAction)
		toolBar.addWidget(self.pageLabel)

		self.textBrowser = QTextBrowser()

		layout = QVBoxLayout()
		layout.addWidget(toolBar)
		layout.addWidget(self.textBrowser, 1)
		self.setLayout(layout)

		self.connect(backAction, SIGNAL("triggered()"),
					 self.textBrowser, SLOT("backward()"))
		self.connect(homeAction, SIGNAL("triggered()"),
					 self.textBrowser, SLOT("home()"))
		self.connect(self.textBrowser, SIGNAL("sourceChanged(QUrl)"),
					 self.updatePageTitle)

		self.textBrowser.setSearchPaths([":/"])
		self.textBrowser.setSource(QUrl(page))
		self.resize(600, 600)
		self.setWindowTitle("SimNDT")


	def updatePageTitle(self):
		self.pageLabel.setText(self.textBrowser.documentTitle())