From 1ce24c879f0a41f9a74342494aea2ce7bb0012a6 Mon Sep 17 00:00:00 2001
From: Jose Luis Cercos-Pita <jlcercos@gmail.com>
Date: Fri, 11 Jul 2014 13:57:44 +0200
Subject: [PATCH] Added units mangement to the outline drawing tool

---
 src/Mod/Ship/shipOutlineDraw/TaskPanel.py | 67 ++++++++++++-----------
 1 file changed, 34 insertions(+), 33 deletions(-)

diff --git a/src/Mod/Ship/shipOutlineDraw/TaskPanel.py b/src/Mod/Ship/shipOutlineDraw/TaskPanel.py
index 73a1dc375..665bd90d7 100644
--- a/src/Mod/Ship/shipOutlineDraw/TaskPanel.py
+++ b/src/Mod/Ship/shipOutlineDraw/TaskPanel.py
@@ -24,6 +24,7 @@
 import FreeCAD as App
 from FreeCAD import Base, Vector
 import FreeCADGui as Gui
+import Units
 import Part
 from PySide import QtGui, QtCore
 import Preview
@@ -301,7 +302,7 @@ class TaskPanel:
         form.sections.setRowCount(nRow + 1)
         self.skip = True
         for i in range(0, nRow):
-            string = '{0}'.format(SectionList[i])
+            string = '{} m'.format(SectionList[i])
             item = QtGui.QTableWidgetItem(string)
             form.sections.setItem(i, 0, item)
         self.skip = False
@@ -327,55 +328,55 @@ class TaskPanel:
         form.sections = self.widget(QtGui.QTableWidget, "Sections")
         form.sectionType = self.widget(QtGui.QComboBox, "SectionType")
 
+        # Add an empty item at the end of the list
         nRow = form.sections.rowCount()
         item = form.sections.item(nRow - 1, 0)
         if item:
             if(item.text() != ''):
                 form.sections.setRowCount(nRow + 1)
-        # Ensure that the new introduced item is a number
+
         ID = form.sectionType.currentIndex()
         if ID == 0:
-            SectionList = self.LSections[:]
+            SectionList = self.LSections
         elif ID == 1:
-            SectionList = self.BSections[:]
+            SectionList = self.BSections
         elif ID == 2:
-            SectionList = self.TSections[:]
+            SectionList = self.TSections
+
         item = form.sections.item(row, column)
+        # Look for deleted row (empty string)
+        if not item.text():
+            del SectionList[row]
+            form.sections.removeRow(row)
+            self.obj = self.preview.update(self.ship.Length.getValueAs('m').Value,
+                                           self.ship.Breadth.getValueAs('m').Value,
+                                           self.ship.Draft.getValueAs('m').Value,
+                                           self.LSections,
+                                           self.BSections,
+                                           self.TSections,
+                                           self.ship.Shape)
+            return
+
+        # Get the new section value
         try:
-            if 'toFloat' in dir(item.text()):
-                (number, flag) = item.text().toFloat()
-                if not flag:
-                    raise ValueError('The string cannot be converted into a'
-                                     ' number')
-            else:
-                number = float(item.text())
+            qty = Units.Quantity(item.text())
+            number = qty.getValueAs('m').Value
         except:
             number = 0.0
-        string = '{}'.format(number)
+
+        string = '{} m'.format(number)
         item.setText(string)
         # Regenerate the list
-        SectionList = []
+        del SectionList[:]
         for i in range(0, nRow):
             item = form.sections.item(i, 0)
             try:
-                if 'toFloat' in dir(item.text()):
-                    (number, flag) = item.text().toFloat()
-                    if not flag:
-                        raise ValueError('The string cannot be converted into a'
-                                         ' number')
-                else:
-                    number = float(item.text())
+                qty = Units.Quantity(item.text())
+                number = qty.getValueAs('m').Value
             except:
-                continue
+                number = 0.0
             SectionList.append(number)
-        # Paste it into the section type list
-        ID = form.sectionType.currentIndex()
-        if ID == 0:
-            self.LSections = SectionList[:]
-        elif ID == 1:
-            self.BSections = SectionList[:]
-        elif ID == 2:
-            self.TSections = SectionList[:]
+
         self.obj = self.preview.update(self.ship.Length.getValueAs('m').Value,
                                        self.ship.Breadth.getValueAs('m').Value,
                                        self.ship.Draft.getValueAs('m').Value,
@@ -397,11 +398,11 @@ class TaskPanel:
         form.sections.setRowCount(1)
         ID = form.sectionType.currentIndex()
         if ID == 0:
-            self.LSections = []
+            del self.LSections[:]
         elif ID == 1:
-            self.BSections = []
+            del self.BSections[:]
         elif ID == 2:
-            self.TSections = []
+            del self.TSections[:]
         self.setSectionType(ID)
 
     def onCreateButton(self):