org.jboss.tools.common.model.ui.editors.dnd.DropWizardDialog.java Source code

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Here is the source code for org.jboss.tools.common.model.ui.editors.dnd.DropWizardDialog.java

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/*******************************************************************************
 * Copyright (c) 2007 Exadel, Inc. and Red Hat, Inc.
 * Distributed under license by Red Hat, Inc. All rights reserved.
 * This program is 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:
 *     Exadel, Inc. and Red Hat, Inc. - initial API and implementation
 ******************************************************************************/
package org.jboss.tools.common.model.ui.editors.dnd;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.swt.events.TraverseEvent;
import org.eclipse.swt.events.TraverseListener;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.jboss.tools.common.model.plugin.ModelPlugin;

public class DropWizardDialog extends WizardDialog {
    private static final int DO_WIDTH_VALUE = 450;
    private static final int DO_HEIGHT_VALUE = 530;
    private static final int DO_WIDTH_VALUE_LINUX = 550;

    public DropWizardDialog(Shell parentShell, IWizard newWizard) {
        super(parentShell, newWizard);
    }

    protected void configureShell(Shell newShell) {
        Control shell = newShell == null ? null : newShell.getParent();
        super.configureShell(newShell);

        int width = getPreferredWidth();
        int height = DO_HEIGHT_VALUE;
        Display d = shell != null ? shell.getDisplay() : ModelPlugin.getDefault().getWorkbench().getDisplay();
        int x = d.getBounds().width / 2 - width / 2;
        int y = d.getBounds().height / 2 - height / 2;

        if (shell != null) {
            x = shell.getBounds().x + shell.getBounds().width / 2 - width / 2;
            y = shell.getBounds().y + shell.getBounds().height / 2 - height / 2;
            if (y + height > d.getBounds().height) {
                y = d.getBounds().height - height;
            }
        }

        newShell.setBounds(x, y, width, height);
    }

    protected int getPreferredWidth() {
        String os_name = System.getProperty("os.name"); //$NON-NLS-1$
        if (os_name != null && os_name.indexOf("Windows") >= 0) //$NON-NLS-1$
            return DO_WIDTH_VALUE;
        return DO_WIDTH_VALUE_LINUX;
    }

    @Override
    public void updateButtons() {
        boolean canFlipToNextPage = false;
        boolean canFinish = getWizard().canFinish();
        if (getButton(IDialogConstants.BACK_ID) != null) {
            getButton(IDialogConstants.BACK_ID).setEnabled(getCurrentPage().getPreviousPage() != null);
        }
        if (getButton(IDialogConstants.NEXT_ID) != null) {
            canFlipToNextPage = getCurrentPage().canFlipToNextPage();
            getButton(IDialogConstants.NEXT_ID).setEnabled(canFlipToNextPage);
        }
        getButton(IDialogConstants.FINISH_ID).setEnabled(canFinish);
        getShell().setDefaultButton(null);
    }

    /*
     *
     * a part of https://jira.jboss.org/jira/browse/JBIDE-5876 fix
     *
     */

    @Override
    protected Button createButton(Composite parent, int id, String label, boolean defaultButton) {
        Button button = super.createButton(parent, id, label, defaultButton);
        if (id == IDialogConstants.FINISH_ID) {
            getShell().setDefaultButton(null);
        }
        return button;
    }

    @Override
    public void create() {
        super.create();
        getShell().addTraverseListener(new TraverseListener() {

            public void keyTraversed(TraverseEvent e) {
                if (e.character == '\r') {
                    Button finishButton = getButton(IDialogConstants.FINISH_ID);
                    Button cancelButton = getButton(IDialogConstants.CANCEL_ID);
                    if (!finishButton.isFocusControl() && !cancelButton.isFocusControl()) {
                        if (finishButton.isEnabled()) {
                            buttonPressed(IDialogConstants.FINISH_ID);
                        } else {
                            handleShellCloseEvent();
                        }
                    }
                }
            }
        });
    }

}