refactory: added UI removed from core plugin.

[phpeclipse.git] / net.sourceforge.phpeclipse.ui / src / net / sourceforge / phpdt / internal / ui / actions / ActionUtil.java

diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/actions/ActionUtil.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/actions/ActionUtil.java
new file mode 100644 (file)
index 0000000..5c19554
--- /dev/null
+++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/actions/ActionUtil.java
@@ -0,0 +1,105 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.ui.actions;
+
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.core.IJavaProject;
+import net.sourceforge.phpdt.core.IPackageFragment;
+import net.sourceforge.phpdt.core.IPackageFragmentRoot;
+import net.sourceforge.phpdt.internal.corext.refactoring.util.ResourceUtil;
+//import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+import net.sourceforge.phpeclipse.phpeditor.PHPEditor;
+import net.sourceforge.phpeclipse.ui.WebUI;
+
+import org.eclipse.core.resources.IFolder;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IProjectNature;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.swt.widgets.Shell;
+
+/*
+ * http://dev.eclipse.org/bugs/show_bug.cgi?id=19104
+ */
+public class ActionUtil {
+
+       private ActionUtil() {
+       }
+
+       // bug 31998 we will have to disable renaming of linked packages (and cus)
+       public static boolean mustDisableJavaModelAction(Shell shell, Object element) {
+               if (!(element instanceof IPackageFragment)
+                               && !(element instanceof IPackageFragmentRoot))
+                       return false;
+
+               IResource resource = ResourceUtil.getResource(element);
+               if ((resource == null) || (!(resource instanceof IFolder))
+                               || (!resource.isLinked()))
+                       return false;
+
+               MessageDialog
+                               .openInformation(
+                                               shell,
+                                               ActionMessages.getString("ActionUtil.not_possible"), ActionMessages.getString("ActionUtil.no_linked")); //$NON-NLS-1$ //$NON-NLS-2$
+               return true;
+       }
+
+       public static boolean isProcessable(Shell shell, PHPEditor editor) {
+               if (editor == null)
+                       return true;
+               IJavaElement input = SelectionConverter.getInput(editor);
+               // if a Java editor doesn't have an input of type Java element
+               // then it is for sure not on the build path
+               if (input == null) {
+                       MessageDialog.openInformation(shell, ActionMessages
+                                       .getString("ActionUtil.notOnBuildPath.title"), //$NON-NLS-1$
+                                       ActionMessages
+                                                       .getString("ActionUtil.notOnBuildPath.message")); //$NON-NLS-1$
+                       return false;
+               }
+               return isProcessable(shell, input);
+       }
+
+       public static boolean isProcessable(Shell shell, Object element) {
+               if (!(element instanceof IJavaElement))
+                       return true;
+
+               if (isOnBuildPath((IJavaElement) element))
+                       return true;
+               MessageDialog.openInformation(shell, ActionMessages
+                               .getString("ActionUtil.notOnBuildPath.title"), //$NON-NLS-1$
+                               ActionMessages.getString("ActionUtil.notOnBuildPath.message")); //$NON-NLS-1$
+               return false;
+       }
+
+       public static boolean isOnBuildPath(IJavaElement element) {
+               // fix for bug http://dev.eclipse.org/bugs/show_bug.cgi?id=20051
+               if (element.getElementType() == IJavaElement.JAVA_PROJECT)
+                       return true;
+               IJavaProject project = element.getJavaProject();
+               try {
+                       // if (!project.isOnClasspath(element))
+                       // return false;
+                       IProject resourceProject = project.getProject();
+                       if (resourceProject == null)
+                               return false;
+                       IProjectNature nature = resourceProject
+                                       .getNature(/*WebUI*/PHPeclipsePlugin.PHP_NATURE_ID);
+                       // We have a Java project
+                       if (nature != null)
+                               return true;
+               } catch (CoreException e) {
+               }
+               return false;
+       }
+}