net.bpelunit.toolsupport.editors.wizards.pages.ActivityWizardPage.java Source code

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Here is the source code for net.bpelunit.toolsupport.editors.wizards.pages.ActivityWizardPage.java

Source

/**
 * This file belongs to the BPELUnit utility and Eclipse plugin set. See enclosed
 * license file for more information.
 * 
 */
package net.bpelunit.toolsupport.editors.wizards.pages;

import net.bpelunit.toolsupport.ToolSupportActivator;
import net.bpelunit.toolsupport.editors.wizards.ActivityEditMode;
import net.bpelunit.toolsupport.editors.wizards.WizardPageCode;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;

/**
 * The abstract ActivityWizardPage is the parent class for all activity wizard pages of the BPELUnit
 * activity wizards.
 * 
 * @version $Id$
 * @author Philip Mayer
 * 
 */
public abstract class ActivityWizardPage extends WizardPage {

    /**
     * Font metrics
     */
    private FontMetrics fontMetrics;

    protected ActivityWizardPage(String pageName, ActivityEditMode mode) {
        super(pageName);
        setImageDescriptor(ToolSupportActivator.getImageDescriptor("icons/new_wiz.png"));
        setTitle((mode == ActivityEditMode.ADD ? "Add" : "Edit") + " a " + pageName + " activity");
    }

    @Override
    protected void initializeDialogUnits(Control testControl) {
        super.initializeDialogUnits(testControl);

        GC gc = new GC(testControl);
        gc.setFont(JFaceResources.getDialogFont());
        fontMetrics = gc.getFontMetrics();
        gc.dispose();
    }

    protected FontMetrics getFontMetrics() {
        return fontMetrics;
    }

    public void createControl(Composite parent) {

        initializeDialogUnits(parent);

        Composite composite = new Composite(parent, SWT.NONE);
        composite.setFont(parent.getFont());

        int nColumns = 4;

        GridLayout layout = new GridLayout();
        layout.numColumns = nColumns;
        composite.setLayout(layout);

        createFieldControls(composite, nColumns);

        setControl(composite);

        Dialog.applyDialogFont(composite);
    }

    /**
     * 
     * @param composite
     * @param nColumns
     */
    protected abstract void createFieldControls(Composite composite, int nColumns);

    /**
     * Returns the contents code of this wizard page.
     * 
     * @return
     */
    public abstract WizardPageCode getCode();

}