EMSUSD-993: When opening a file dependency in the AE, the dialog does…

…n't open to the location of the file

* If we can resolve path to absolute, open the file dialog on that path.
* Fix spelling mistakes

lib/mayaUsd/resources/ae/usdschemabase/custom_image_control.py

@@ -29,6 +29,9 @@
 
 import ufe
 
+import os
+from pxr import Sdf
+
 try:
     from PySide2 import QtCore
 except:
@@ -132,8 +135,19 @@ def filenameBrowser(self, callback):
 
         ImageCustomControl.fixFileDialogSplitters()
 
+        # Determine if we can get an absolute path from the attribute value.
+        # If we can then try and find the starting directory from that path.
+        startDir = None
+        usdAttr = self.prim.GetAttribute(self.attrName)
+        usdValue = usdAttr.Get()
+        if isinstance(usdValue, Sdf.AssetPath):
+            resolvedPath = usdValue.resolvedPath
+            if os.path.exists(resolvedPath):
+                # Use forward slashes in path to avoid any problems. Maya accepts them all platforms.
+                startDir = os.path.abspath(os.path.dirname(resolvedPath)).replace(os.sep, '/')
+
         dialogArgs = {
-            'startDir'          : mel.eval("""setWorkingDirectory("%s", "image", "sourceImages")""" % workspace),
+            'startDir'          : startDir if startDir else mel.eval("""setWorkingDirectory("%s", "image", "sourceImages")""" % workspace),
             'filter'            : mel.eval("buildImageFileFilterList()"),
             'caption'           : getMayaUsdLibString('kOpenImage'),
             'createCallback'    : "mayaUsd_ImageFileRelative_UICreate",

lib/mayaUsd/utils/utilFileSystem.h

@@ -250,7 +250,7 @@ std::string getNumberSuffix(const std::string& text);
 MAYAUSD_CORE_PUBLIC
 std::string increaseNumberSuffix(const std::string& text);
 
-/*! \brief returns the aboluste path relative to the maya file
+/*! \brief returns the absolute path relative to the Maya file
  */
 MAYAUSD_CORE_PUBLIC
 std::string resolveRelativePathWithinMayaContext(
@@ -273,10 +273,10 @@ bool pathAppendPath(std::string& a, const std::string& b);
 /**
  * Appends `b` to the path `a` and returns a path (by appending two input paths).
  *
- * @param a         A string that respresents the first path
- * @param b         A string that respresents the second path
+ * @param a         A string that represents the first path
+ * @param b         A string that represents the second path
  *
- * @return         the two paths joined by a seperator
+ * @return         the two paths joined by a separator
  */
 MAYAUSD_CORE_PUBLIC
 std::string appendPaths(const std::string& a, const std::string& b);
@@ -308,17 +308,17 @@ void pathRemoveExtension(std::string& filePath);
 MAYAUSD_CORE_PUBLIC
 std::string pathFindExtension(std::string& filePath);
 
-// Backup a file and restore it if not commited.
+// Backup a file and restore it if not committed.
 class FileBackup
 {
 public:
     FileBackup(const std::string& filename);
     ~FileBackup();
 
-    // Once commited, the backup will not be put back into the original file.
+    // Once committed, the backup will not be put back into the original file.
     void commit();
 
-    // Force restoration of the original file if successfully backed-up, even if commited.
+    // Force restoration of the original file if successfully backed-up, even if committed.
     void restore();
 
     // Return the backup file name.