Draft: Introduced Hatch command + object

src/Mod/Draft/draftguitools/gui_hatch.py

@@ -0,0 +1,132 @@
+#***************************************************************************
+#*                                                                         *
+#*   Copyright (c) 2021 Yorik van Havre <yorik@uncreated.net>              *
+#*                                                                         *
+#*   This program is free software; you can redistribute it and/or modify  *
+#*   it under the terms of the GNU Lesser General Public License (LGPL)    *
+#*   as published by the Free Software Foundation; either version 2 of     *
+#*   the License, or (at your option) any later version.                   *
+#*   for detail see the LICENCE text file.                                 *
+#*                                                                         *
+#*   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 Library General Public License for more details.                  *
+#*                                                                         *
+#*   You should have received a copy of the GNU Library 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                                                                   *
+#*                                                                         *
+#***************************************************************************
+
+
+"""This module contains FreeCAD commands for the Draft workbench"""
+
+import os
+import FreeCAD
+from draftutils.translate import translate, QT_TRANSLATE_NOOP
+
+
+class Draft_Hatch:
+
+
+    def GetResources(self):
+
+        return {'Pixmap'  : "Draft_Hatch",
+                'MenuText': QT_TRANSLATE_NOOP("Draft_Hatch", "Hatch"),
+                'Accel': "H, A",
+                'ToolTip' : QT_TRANSLATE_NOOP("Draft_Hatch", "Create hatches on selected faces")}
+
+    def Activated(self):
+
+        import FreeCADGui
+
+        if FreeCADGui.Selection.getSelection():
+            FreeCADGui.Control.showDialog(Draft_Hatch_TaskPanel(FreeCADGui.Selection.getSelection()[0]))
+        else:
+            FreeCAD.Console.PrintError(translate("Draft","You must choose a base object before using this command")+"\n")
+
+
+class Draft_Hatch_TaskPanel:
+
+
+    def __init__(self,baseobj):
+
+        import FreeCADGui
+        from PySide import QtCore,QtGui
+        import Draft_rc
+
+        self.baseobj = baseobj
+        self.form = FreeCADGui.PySideUic.loadUi(":/ui/dialogHatch.ui")
+        self.form.setWindowIcon(QtGui.QIcon(":/icons/Draft_Hatch.svg"))
+        self.form.File.fileNameChanged.connect(self.onFileChanged)
+        self.p1 = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/TechDraw/PAT")
+        self.p2 = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Draft")
+        self.form.File.setFileName(self.p1.GetString("FilePattern",""))
+        pat = self.p1.GetString("NamePattern","")
+        if pat in [self.form.Pattern.itemText(i) for i in range(self.form.Pattern.count())]:
+            self.form.Pattern.setCurrentText(pat)
+        self.form.Scale.setValue(self.p2.GetFloat("HatchPatternScale",1000.0))
+        self.form.Rotation.setValue(self.p2.GetFloat("HatchPatternRotation",0.0))
+
+    def accept(self):
+
+        import FreeCADGui
+
+        self.p1.SetString("FilePattern",self.form.File.property("fileName"))
+        self.p1.SetString("NamePattern",self.form.Pattern.currentText())
+        self.p2.SetFloat("HatchPatternScale",self.form.Scale.value())
+        self.p2.SetFloat("HatchPatternRotation",self.form.Rotation.value())
+        if hasattr(self.baseobj,"File") and hasattr(self.baseobj,"Pattern"):
+            # modify existing hatch object
+            o = "FreeCAD.ActiveDocument.getObject(\""+self.baseobj.Name+"\")"
+            FreeCADGui.doCommand(o+".File=\""+self.form.File.property("fileName")+"\"")
+            FreeCADGui.doCommand(o+".Pattern=\""+self.form.Pattern.currentText()+"\"")
+            FreeCADGui.doCommand(o+".Scale="+str(self.form.Scale.value()))
+            FreeCADGui.doCommand(o+".Rotation="+str(self.form.Rotation.value()))
+        else:
+            # create new hatch object
+            FreeCAD.ActiveDocument.openTransaction("Create Hatch")
+            FreeCADGui.addModule("Draft")
+            cmd = "Draft.makeHatch("
+            cmd += "baseobject=FreeCAD.ActiveDocument.getObject(\""+self.baseobj.Name
+            cmd += "\"),filename=\""+self.form.File.property("fileName")
+            cmd += "\",pattern=\""+self.form.Pattern.currentText()
+            cmd += "\",scale="+str(self.form.Scale.value())
+            cmd += ",rotation="+str(self.form.Rotation.value())+")"
+            FreeCADGui.doCommand(cmd)
+            FreeCAD.ActiveDocument.commitTransaction()
+        FreeCADGui.doCommand("FreeCAD.ActiveDocument.recompute()")
+        self.reject()
+
+    def reject(self):
+
+        import FreeCADGui
+
+        FreeCADGui.Control.closeDialog()
+        FreeCAD.ActiveDocument.recompute()
+
+    def onFileChanged(self,filename):
+
+        pat = self.form.Pattern.currentText()
+        self.form.Pattern.clear()
+        patterns = self.getPatterns(filename)
+        self.form.Pattern.addItems(patterns)
+        if pat in patterns:
+            self.form.Pattern.setCurrentText(pat)
+
+    def getPatterns(self,filename):
+
+        """returns a list of pattern names found in a PAT file"""
+        patterns = []
+        if os.path.exists(filename):
+            with open(filename) as patfile:
+                for line in patfile:
+                    if line.startswith("*"):
+                        patterns.append(line.split(",")[0][1:])
+        return patterns
+
+if FreeCAD.GuiUp:
+    import FreeCADGui
+    FreeCADGui.addCommand("Draft_Hatch",Draft_Hatch())