| /******************************************************************************* |
| * Copyright (c) 2006, 2007 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.pde.internal.ui.commands; |
| |
| import org.eclipse.core.commands.Command; |
| import org.eclipse.core.commands.ParameterizedCommand; |
| import org.eclipse.core.expressions.IEvaluationContext; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.viewers.*; |
| import org.eclipse.pde.internal.ui.IHelpContextIds; |
| import org.eclipse.pde.internal.ui.PDEUIMessages; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.forms.FormDialog; |
| import org.eclipse.ui.forms.IManagedForm; |
| import org.eclipse.ui.forms.widgets.ScrolledForm; |
| |
| public class CommandComposerDialog extends FormDialog { |
| |
| private CommandComposerPart fCCP; |
| private ParameterizedCommand fPC; |
| private Button fOKButton; |
| |
| public CommandComposerDialog(Shell parentShell, int filterType, ParameterizedCommand preselectedCommand, IEvaluationContext snapshot) { |
| super(parentShell); |
| setShellStyle(SWT.MODELESS | SWT.SHELL_TRIM | SWT.BORDER); |
| fCCP = new CommandComposerPart(); |
| fCCP.setFilterType(filterType); |
| fCCP.setPresetCommand(preselectedCommand); |
| fCCP.setSnapshotContext(snapshot); |
| } |
| |
| protected void createFormContent(IManagedForm mform) { |
| ScrolledForm form = mform.getForm(); |
| mform.getToolkit().decorateFormHeading(form.getForm()); |
| initializeDialogUnits(form); |
| fCCP.createCC(form, mform.getToolkit(), new ISelectionChangedListener() { |
| public void selectionChanged(SelectionChangedEvent event) { |
| updateOkButtonEnablement(event.getSelection()); |
| } |
| }); |
| applyDialogFont(form); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite) |
| */ |
| protected void createButtonsForButtonBar(Composite parent) { |
| super.createButtonsForButtonBar(parent); |
| // Update the button enablement only after the button is created |
| fOKButton = getButton(IDialogConstants.OK_ID); |
| |
| CommandList list = fCCP.getCommandList(); |
| // Ensure the tree viewer was created |
| if (list == null) { |
| updateOkButtonEnablement(false); |
| return; |
| } |
| // Retrieve the current selection |
| ISelection selection = list.getSelection(); |
| // Update the OK button based on the current selection |
| updateOkButtonEnablement(selection); |
| } |
| |
| /** |
| * @param selection |
| */ |
| private void updateOkButtonEnablement(Object selection) { |
| // Ensure there is a selection |
| if (selection == null) { |
| updateOkButtonEnablement(false); |
| return; |
| } |
| // Ensure the selection is structured |
| if ((selection instanceof IStructuredSelection) == false) { |
| updateOkButtonEnablement(false); |
| return; |
| } |
| IStructuredSelection sSelection = (IStructuredSelection) selection; |
| // Ensure the selection is a command |
| if (sSelection.getFirstElement() instanceof Command) { |
| // Enable button |
| updateOkButtonEnablement(true); |
| return; |
| } |
| // Disable button |
| updateOkButtonEnablement(false); |
| } |
| |
| /** |
| * @param enabled |
| */ |
| private void updateOkButtonEnablement(boolean enabled) { |
| if (fOKButton != null) { |
| fOKButton.setEnabled(enabled); |
| } |
| } |
| |
| protected void configureShell(Shell newShell) { |
| newShell.setText(PDEUIMessages.CommandSerializerPart_name); |
| super.configureShell(newShell); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IHelpContextIds.COMMAND_COMPOSER_DIALOG); |
| } |
| |
| public void okPressed() { |
| fPC = fCCP.getParameterizedCommand(); |
| super.okPressed(); |
| } |
| |
| public boolean close() { |
| fCCP.dispose(); |
| return super.close(); |
| } |
| |
| public ParameterizedCommand getCommand() { |
| return fPC; |
| } |
| } |