Bug 162916 [Undo] [IDE] Invalid thread access from new file wizard
Build: I20061031-0656 1) Create a simple project 2) In the file system, add file "a.txt" to the project 3) Back in Eclipse, do File > New > File, select the project and enter a name of "a.txt". An internal error occurs because it is trying to open an error dialog from a modal context thread: org.eclipse.swt.SWTException: Invalid thread access at org.eclipse.swt.SWT.error(SWT.java:3407) at org.eclipse.swt.SWT.error(SWT.java:3330) at org.eclipse.swt.SWT.error(SWT.java:3301) at org.eclipse.swt.widgets.Widget.error(Widget.java:432) at org.eclipse.swt.widgets.Shell.<init>(Shell.java:271) at org.eclipse.swt.widgets.Shell.<init>(Shell.java:357) at org.eclipse.jface.window.Window.createShell(Window.java:482) at org.eclipse.jface.window.Window.create(Window.java:425) at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1111) at org.eclipse.jface.window.Window.open(Window.java:785) at org.eclipse.jface.dialogs.ErrorDialog.open(ErrorDialog.java:296) at org.eclipse.jface.dialogs.ErrorDialog.openError(ErrorDialog.java:360) at org.eclipse.jface.dialogs.ErrorDialog.openError(ErrorDialog.java:325) at org.eclipse.ui.dialogs.WizardNewFileCreationPage$4.run(WizardNewFileCreationPage.java:343) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:113)
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/WizardNewFileCreationPage.java
GridData.FILL_HORIZONTAL));
            GridLayout layout = new GridLayout();
            layout.marginHeight = 0;
            layout.marginWidth = 0;
            linkedResourceParent.setLayout(layout);
            advancedButton = new Button(linkedResourceParent, SWT.PUSH);
            advancedButton.setFont(linkedResourceParent.getFont());
            advancedButton.setText(IDEWorkbenchMessages.showAdvanced);
            GridData data = setButtonLayoutData(advancedButton);
            data.horizontalAlignment = GridData.BEGINNING;
            advancedButton.setLayoutData(data);
            advancedButton.addSelectionListener(new SelectionAdapter() {
                public void widgetSelected(SelectionEvent e) {
                    handleAdvancedButtonSelect();
                }
            });
        }
        linkedResourceGroup = new CreateLinkedResourceGroup(IResource.FILE,
                new Listener() {
                    public void handleEvent(Event e) {
                        setPageComplete(validatePage());
                        firstLinkCheck = false;
                    }
                },
                new CreateLinkedResourceGroup.IStringValue(){
					public void setValue(String string) {
						resourceGroup.setResource(string);
					}
					public String getValue() {
						return resourceGroup.getResource();