Avoid NPE when deleting a project

diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/ui/editor/ShowExternalPreviewAction.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/ui/editor/ShowExternalPreviewAction.java
index bef108a..7b6dd8e 100644 (file)
--- a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/ui/editor/ShowExternalPreviewAction.java
+++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/ui/editor/ShowExternalPreviewAction.java
@@ -52,7 +52,7 @@ public class ShowExternalPreviewAction extends TextEditorAction {
     IFile previewFile = getFile();
     BrowserUtil.showPreview(previewFile, false, "");
   }
-  
+
   public void refresh(int type) {
     IFile fileToParse = getFile();
     if (fileToParse == null) {
@@ -99,22 +99,25 @@ public class ShowExternalPreviewAction extends TextEditorAction {
   }
 
   public static String getLocalhostURL(IPreferenceStore store, IFile file) {
-    if (store == null) {
-      store = WebUI.getDefault().getPreferenceStore();
-    }
-    // IPath path = file.getFullPath();
-    String localhostURL = file.getLocation().toString();
-    String lowerCaseFileName = localhostURL.toLowerCase();
-    //  String documentRoot = store.getString(PHPeclipsePlugin.DOCUMENTROOT_PREF);
-    IPath documentRootPath = ProjectPrefUtil.getDocumentRoot(file.getProject());
-    String documentRoot = documentRootPath.toString().toLowerCase();
-    if (lowerCaseFileName.startsWith(documentRoot)) {
-      localhostURL = localhostURL.substring(documentRoot.length());
-    } else {
-      return null;
+    if (file != null) {
+      if (store == null) {
+        store = WebUI.getDefault().getPreferenceStore();
+      }
+      // IPath path = file.getFullPath();
+      String localhostURL = file.getLocation().toString();
+      String lowerCaseFileName = localhostURL.toLowerCase();
+      //  String documentRoot = store.getString(PHPeclipsePlugin.DOCUMENTROOT_PREF);
+      IPath documentRootPath = ProjectPrefUtil.getDocumentRoot(file.getProject());
+      String documentRoot = documentRootPath.toString().toLowerCase();
+      if (lowerCaseFileName.startsWith(documentRoot)) {
+        localhostURL = localhostURL.substring(documentRoot.length());
+      } else {
+        return null;
+      }
+      //    return store.getString(PHPeclipsePlugin.LOCALHOST_PREF) + localhostURL;
+      return ProjectPrefUtil.getMiscProjectsPreferenceValue(file.getProject(), IPreferenceConstants.PHP_LOCALHOST_PREF)
+          + localhostURL;
     }
-    //    return store.getString(PHPeclipsePlugin.LOCALHOST_PREF) + localhostURL;
-    return ProjectPrefUtil.getMiscProjectsPreferenceValue(file.getProject(), IPreferenceConstants.PHP_LOCALHOST_PREF)
-        + localhostURL;
+    return "http://localhost";
   }
 }
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