ENH: Update ScriptedLoadableModuleWidget to support UI editing from installation

git-svn-id: http://svn.slicer.org/Slicer4/trunk@27710 3bd1e089-480b-0410-8dfb-8563597acbee

Author: jcfr

Base/Python/slicer/ScriptedLoadableModule.py

@@ -150,18 +150,14 @@ def createHLayout(elements):
     self.editSourceButton.connect('clicked()', self.onEditSource)
 
     self.editModuleUiButton = None
-    # Current limitation: Qt Designer is only availabe in the build tree,
-    # not bundled with the installed application. Therefore, the "Edit UI"
-    # button may only shown if the application is not installed.
-    if not slicer.app.isInstalled:
-      moduleUiFileName = self.resourcePath('UI/%s.ui' % self.moduleName)
-      print(moduleUiFileName)
-      import os.path
-      if os.path.isfile(moduleUiFileName):
-        # Module UI file exists
-        self.editModuleUiButton = qt.QPushButton("Edit UI")
-        self.editModuleUiButton.toolTip = "Edit the module's .ui file."
-        self.editModuleUiButton.connect('clicked()', lambda filename=moduleUiFileName: slicer.util.startQtDesigner(moduleUiFileName))
+    moduleUiFileName = self.resourcePath('UI/%s.ui' % self.moduleName)
+    print(moduleUiFileName)
+    import os.path
+    if os.path.isfile(moduleUiFileName):
+      # Module UI file exists
+      self.editModuleUiButton = qt.QPushButton("Edit UI")
+      self.editModuleUiButton.toolTip = "Edit the module's .ui file."
+      self.editModuleUiButton.connect('clicked()', lambda filename=moduleUiFileName: slicer.util.startQtDesigner(moduleUiFileName))
 
     # restart Slicer button
     # (use this during development, but remove it when delivering

Base/Python/slicer/util.py

@@ -285,14 +285,14 @@ def loadUI(path):
 
 def startQtDesigner(args = None):
   """ Start Qt Designer application to allow editing UI files.
-  This only works if the launcher has properly configured with --designer option,
-  which is currently only available in the build tree, not in installed applications.
   """
-
+  import os
   import slicer
   import subprocess
-  executableFilePath = slicer.app.launcherExecutableFilePath
-  cmdLineArguments = ['--designer']
+  executableFilePath = os.path.join(slicer.app.slicerHome, "bin", "SlicerDesigner")
+  if slicer.app.os == 'win':
+    executableFilePath += ".exe"
+  cmdLineArguments = []
   if args is not None:
     if isinstance(args, basestring):
       cmdLineArguments.append(args)