NumberOfLevelsWizardPage.java example

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teiid-designer-master
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 * JBoss, Home of Professional Open Source.
 *
 * See the LEGAL.txt file distributed with this work for information regarding copyright ownership and licensing.
 *
 * See the AUTHORS.txt file distributed with this work for a full listing of individual contributors.
 */
package org.teiid.designer.xml.ui.wizards;

import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Spinner;
import org.teiid.designer.xml.ui.ModelerXmlUiConstants;

/**
 * NumberOfLevelsWizardPage
 *
 * @since 8.0
 */
public class NumberOfLevelsWizardPage extends WizardPage implements ModelerXmlUiConstants {
    public static final int MIN_LEVELS = 1;
    public static final int MAX_LEVELS = 5;

    private NumberOfLevelsPanel panel;

    public NumberOfLevelsWizardPage() {
        super("numberOfLevelsWizardPage"); //$NON-NLS-1$
        String title = Util.getString("NumberOfLevelsWizardPage.title"); //$NON-NLS-1$
        setTitle(title);
        String description = Util.getString("NumberOfLevelsWizardPage.description"); //$NON-NLS-1$
        setDescription(description);
    }

    @Override
	public void createControl( Composite parent ) {
        panel = new NumberOfLevelsPanel(parent);
        setControl(panel);
    }

    public int getValue() {
        return panel.getSpinnerValue();
    }
}// end NumberOfLevelsWizardPage

class NumberOfLevelsPanel extends Composite implements ModelerXmlUiConstants {
    private Spinner spinner;
    private Button allLevelsChk;

    public NumberOfLevelsPanel( Composite parent ) {
        super(parent, SWT.NONE);
        initialize();
    }

    private void initialize() {
        GridLayout layout = new GridLayout();
        this.setLayout(layout);
        GridData overallGridData = new GridData(GridData.FILL_HORIZONTAL);
        this.setLayoutData(overallGridData);
        Composite spinnerRow = new Composite(this, SWT.NONE);
        GridLayout spinnerRowLayout = new GridLayout();
        spinnerRow.setLayout(spinnerRowLayout);
        spinnerRowLayout.numColumns = 2;
        spinnerRowLayout.marginHeight = 10;
        GridData spinnerRowGridData = new GridData(GridData.FILL_HORIZONTAL);
        spinnerRow.setLayoutData(spinnerRowGridData);
        spinnerRowGridData.horizontalAlignment = GridData.HORIZONTAL_ALIGN_CENTER;
        Label spinnerLabel = new Label(spinnerRow, SWT.NONE);
        String labelText = Util.getString("NumberOfLevelsWizardPage.numberOfLevels"); //$NON-NLS-1$
        spinnerLabel.setText(labelText);
        spinner = new Spinner(spinnerRow, SWT.NONE);
        spinner.setMinimum(NumberOfLevelsWizardPage.MIN_LEVELS);
        spinner.setMaximum(NumberOfLevelsWizardPage.MAX_LEVELS);
        spinner.setToolTipText(Util.getString("NumberOfLevelsWizardPage.spinner.toolTip", //$NON-NLS-1$
                                              spinner.getMinimum(),
                                              spinner.getMaximum()));

        allLevelsChk = new Button(spinnerRow, SWT.CHECK);
        allLevelsChk.setText(Util.getString("NumberOfLevelsWizardPage.btnTxt")); //$NON-NLS-1$
        allLevelsChk.addSelectionListener(new SelectionListener() {

            @Override
			public void widgetDefaultSelected( SelectionEvent e ) {
            }

            @Override
			public void widgetSelected( SelectionEvent e ) {
                allLevelsChkSelected();
            }

        });
    }

    public int getSpinnerValue() {
        if (allLevelsChk.getSelection()) {
            return -1;
        }

        return spinner.getSelection();
    }

    void allLevelsChkSelected() {
        if (this.allLevelsChk.getSelection()) {
            this.spinner.setEnabled(false);
        } else {
            this.spinner.setEnabled(true);
        }
    }
}// end NumberOfLevelsPanel