Stub debug client gui.

Change-Id: Ib422c66bc36245e1fc3c450765d7555da5c8dda0

secop/gui/nodectrl.py

@@ -0,0 +1,92 @@
+#  -*- coding: utf-8 -*-
+# *****************************************************************************
+# Copyright (c) 2015-2016 by the authors, see LICENSE
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# Module authors:
+#   Alexander Lenz <alexander.lenz@frm2.tum.de>
+#
+# *****************************************************************************
+
+import pprint
+
+from PyQt4.QtGui import QWidget, QTextCursor, QFont, QFontMetrics
+from PyQt4.QtCore import pyqtSignature as qtsig, Qt
+
+from secop.gui.util import loadUi
+
+class NodeCtrl(QWidget):
+    def __init__(self, node, parent=None):
+        super(NodeCtrl, self).__init__(parent)
+        loadUi(self, 'nodectrl.ui')
+
+        self._node = node
+
+        self.contactPointLabel.setText(self._node.contactPoint)
+        self.equipmentIdLabel.setText(self._node.equipmentId)
+        self.protocolVersionLabel.setText(self._node.protocolVersion)
+        self._clearLog()
+
+    @qtsig('')
+    def on_sendPushButton_clicked(self):
+        msg = self.msgLineEdit.text().strip()
+
+        if not msg:
+            return
+
+        self._addLogEntry('<span style="font-weight:bold">Request:</span> '
+                          '%s:' % msg, raw=True)
+        msg = msg.split(' ', 2)
+        reply = self._node.syncCommunicate(*msg)
+        self._addLogEntry(reply, newline=True, pretty=True)
+
+    @qtsig('')
+    def on_clearPushButton_clicked(self):
+        self._clearLog()
+
+    def _clearLog(self):
+        self.logTextBrowser.clear()
+
+        self._addLogEntry('SECoP Communication Shell')
+        self._addLogEntry('=========================')
+        self._addLogEntry('', newline=True)
+
+    def _addLogEntry(self, msg, newline=False, pretty=False, raw=False):
+
+        if pretty:
+            msg = pprint.pformat(msg, width=self._getLogWidth())
+
+        if not raw:
+            msg = '<pre>%s</pre>' % Qt.escape(str(msg)).replace('\n', '<br />')
+
+        content = ''
+        if self.logTextBrowser.toPlainText():
+            content = self.logTextBrowser.toHtml()
+        content += msg
+
+        if newline:
+            content += '<br />'
+
+        self.logTextBrowser.setHtml(content)
+        self.logTextBrowser.moveCursor(QTextCursor.End)
+
+    def _getLogWidth(self):
+        fontMetrics = QFontMetrics(QFont('Monospace'))
+        # calculate max avail characters by using an a (which is possible
+        # due to monospace)
+        result = self.logTextBrowser.width() / fontMetrics.width('a')
+        return result
+