modeGetFolder should have some different wording from modeOpen. Bug

160672, r=caillon,timeless, sr=bryner

xpfe/components/filepicker/res/content/filepicker.js

@@ -83,6 +83,11 @@ function filepickerLoad() {
     newDirButton.removeAttribute("hidden");
   }
 
+  if (filePickerMode == nsIFilePicker.modeGetFolder) {
+    var textInputLabel = document.getElementById("textInputLabel");
+    textInputLabel.value = gFilePickerBundle.getString("dirTextInputLabel");
+  }
+  
   if ((filePickerMode == nsIFilePicker.modeOpen) ||
       (filePickerMode == nsIFilePicker.modeOpenMultiple) ||
       (filePickerMode == nsIFilePicker.modeSave)) {
@@ -237,14 +242,24 @@ function selectOnOK()
     //promptService.alert(window, "Problem", "normalize failed, continuing");
   }
 
-  if (!file.exists() && (filePickerMode != nsIFilePicker.modeSave)) {
+  var fileExists = file.exists();
+  
+  if (!fileExists && (filePickerMode == nsIFilePicker.modeOpen ||
+                      filePickerMode == nsIFilePicker.modeOpenMultiple)) {
     showErrorDialog("errorOpenFileDoesntExistTitle",
                     "errorOpenFileDoesntExistMessage",
                     file);
     return false;
   }
 
-  if (file.exists()) {
+  if (!fileExists && filePickerMode == nsIFilePicker.modeGetFolder) {
+    showErrorDialog("errorDirDoesntExistTitle",
+                    "errorDirDoesntExistMessage",
+                    file);
+    return false;
+  }
+
+  if (fileExists) {
     isDir = file.isDirectory();
     isFile = file.isFile();
   }

xpfe/components/filepicker/res/content/filepicker.xul

@@ -85,7 +85,7 @@
 
   <rows>
     <row align="center">
-      <label value="&textInput.label;"/>
+      <label value="&textInput.label;" id="textInputLabel"/>
       <textbox id="textInput" flex="1" oninput="doEnabling()" 
                onfocus="onTextFieldFocus();"/>
     </row>

xpfe/components/filepicker/res/locale/en-US/filepicker.properties

@@ -14,6 +14,8 @@ xulTitle=XUL Files
 xulFilter=*.xul
 appsTitle=Applications
 
+dirTextInputLabel=Directory name:
+
 confirmFileReplacing=%S already exists.\nDo you want to replace it?
 openButtonLabel=Open
 saveButtonLabel=Save
@@ -22,6 +24,8 @@ noButtonLabel=No
 
 errorOpenFileDoesntExistTitle=Error opening %S
 errorOpenFileDoesntExistMessage=File %S doesn't exist
+errorDirDoesntExistTitle=Error accessing %S
+errorDirDoesntExistMessage=Directory %S doesn't exist
 errorDirNotReadableMessage=Directory %S is not readable or does not exist.
 
 errorOpeningFileTitle=Error opening %S