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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.motorola.studio.android.command;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.PlatformUI;
/**
* Abstract class intended to be used to create menu commands
* for items in the MOTODEV Menu
*/
abstract class NewWizardHandler extends AbstractHandler
{
private static final int WIZARD_WIDTH = 500;
/**
* Opens a wizard
*
* @param wizard the wizard to be opened
*/
protected void openWizard(final INewWizard wizard)
{
if (!PlatformUI.getWorkbench().isClosing())
{
Shell shell = new Shell();
ISelection selection =
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService()
.getSelection();
IStructuredSelection structuredSelection;
if (selection instanceof IStructuredSelection)
{
structuredSelection = (IStructuredSelection) selection;
}
else
{
structuredSelection = new StructuredSelection();
}
wizard.init(PlatformUI.getWorkbench(), structuredSelection);
WizardDialog dialog = new WizardDialog(shell, wizard);
dialog.setPageSize(WIZARD_WIDTH, SWT.DEFAULT);
shell.pack();
centralizeShell(shell);
dialog.open();
}
}
/**
* Centralizes a shell on the display
*
* @param shell The shell to be centralized
*/
private void centralizeShell(Shell shell)
{
int displayWidth = shell.getDisplay().getClientArea().width;
int displayHeight = shell.getDisplay().getClientArea().height;
int x = (displayWidth - shell.getSize().x) / 2;
int y = (displayHeight - shell.getSize().y) / 2;
shell.setLocation(x, y);
}
}
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