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
}
                });
    }
    /** (non-Javadoc)
     * Method declared on IDialogPage.
     */
    public void createControl(Composite parent) {
        initializeDialogUnits(parent);
        
        Composite topLevel = new Composite(parent, SWT.NONE);
        topLevel.setLayout(new GridLayout());
        topLevel.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL
                | GridData.HORIZONTAL_ALIGN_FILL));
        topLevel.setFont(parent.getFont());
        PlatformUI.getWorkbench().getHelpSystem().setHelp(topLevel,
				IIDEHelpContextIds.NEW_FILE_WIZARD_PAGE);
        
        resourceGroup = new ResourceAndContainerGroup(
                topLevel,
                this,
                getNewFileLabel(),
                IDEWorkbenchMessages.WizardNewFileCreationPage_file, false, SIZING_CONTAINER_GROUP_HEIGHT);
        resourceGroup.setAllowExistingResources(false);
        initialPopulateContainerNameField();
        createAdvancedControls(topLevel);
        if (initialFileName != null) {
			resourceGroup.setResource(initialFileName);
		}
        validatePage();