| package org.eclipse.ui.actions; |
| |
| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved. |
| */ |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.ui.*; |
| import org.eclipse.ui.help.WorkbenchHelp; |
| import org.eclipse.ui.internal.IHelpContextIds; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| import org.eclipse.ui.internal.WorkbenchPlugin; |
| import org.eclipse.ui.internal.misc.Assert; |
| import org.eclipse.ui.internal.dialogs.DialogUtil; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import java.util.Iterator; |
| |
| /** |
| * Standard action for opening a system editor on the currently selected file |
| * resource. |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| */ |
| public class OpenSystemEditorAction extends SelectionListenerAction { |
| |
| /** |
| * The id of this action. |
| */ |
| public static final String ID = PlatformUI.PLUGIN_ID + ".OpenSystemEditorAction";//$NON-NLS-1$ |
| |
| /** |
| * The workbench page to open the editor in. |
| */ |
| private IWorkbenchPage workbenchPage; |
| /** |
| * Creates a new action that will open system editors on the then-selected file |
| * resources. |
| * |
| * @param page the workbench page in which to open the editor |
| */ |
| public OpenSystemEditorAction(IWorkbenchPage page) { |
| super(WorkbenchMessages.getString("OpenSystemEditorAction.text")); //$NON-NLS-1$ |
| setToolTipText(WorkbenchMessages.getString("OpenSystemEditorAction.toolTip")); //$NON-NLS-1$ |
| setId(ID); |
| WorkbenchHelp.setHelp(this, IHelpContextIds.OPEN_SYSTEM_EDITOR_ACTION); |
| Assert.isNotNull(page); |
| this.workbenchPage = page; |
| } |
| /** |
| * Return the workbench page to open the editor in. |
| * |
| * @return the workbench page to open the editor in |
| */ |
| IWorkbenchPage getWorkbenchPage() { |
| return workbenchPage; |
| } |
| /** |
| * Opens a system editor on the given file resource. |
| * |
| * @param file the file resource |
| */ |
| void openFile(IFile file) { |
| if (getWorkbenchPage() == null) { |
| IStatus status = new Status(IStatus.ERROR, WorkbenchPlugin.PI_WORKBENCH, 1, WorkbenchMessages.getString("OpenSystemEditorAction.pageError"), null); //$NON-NLS-1$ |
| WorkbenchPlugin.log(WorkbenchMessages.getString("OpenSystemEditorAction.logTitle"), status); //$NON-NLS-1$ |
| return; |
| } |
| try { |
| getWorkbenchPage().openSystemEditor(file); |
| } catch (PartInitException e) { |
| DialogUtil.openError( |
| getWorkbenchPage().getWorkbenchWindow().getShell(), |
| WorkbenchMessages.getString("OpenSystemEditorAction.dialogTitle"), //$NON-NLS-1$ |
| e.getMessage(), |
| e); |
| } |
| } |
| /* (non-Javadoc) |
| * Method declared on IAction. |
| */ |
| public void run() { |
| Iterator enum = getSelectedResources().iterator(); |
| while (enum.hasNext()) { |
| IResource resource = (IResource) enum.next(); |
| if (resource instanceof IFile) |
| openFile((IFile) resource); |
| } |
| } |
| /** |
| * The <code>OpenSystemEditorAction</code> implementation of this |
| * <code>SelectionListenerAction</code> method enables the action only |
| * if the selection contains just file resources. |
| */ |
| protected boolean updateSelection(IStructuredSelection selection) { |
| return super.updateSelection(selection) && selectionIsOfType(IResource.FILE); |
| } |
| } |