plugins/org.eclipse.egf.pattern.ui/src/org/eclipse/egf/pattern/ui/editors/pages/DebugPage.java

/**
 * <copyright>
 * 
 * Copyright (c) 2009-2010 Thales Corporate Services S.A.S.
 * 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:
 * Thales Corporate Services S.A.S - initial API and implementation
 * 
 * </copyright>
 */

package org.eclipse.egf.pattern.ui.editors.pages;

import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.validation.IValidator;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.egf.model.fcore.FcorePackage;
import org.eclipse.egf.model.pattern.Pattern;
import org.eclipse.egf.pattern.ui.Messages;
import org.eclipse.emf.databinding.EMFUpdateValueStrategy;
import org.eclipse.emf.databinding.edit.EMFEditProperties;
import org.eclipse.emf.databinding.edit.IEMFEditValueProperty;
import org.eclipse.jface.databinding.swt.IWidgetValueProperty;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.forms.IManagedForm;
import org.eclipse.ui.forms.editor.FormEditor;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.ScrolledForm;

/**
 * @author Thomas Guiu
 * 
 */
public class DebugPage extends PatternEditorPage {

  public static final String ID = "OverviewPage"; //$NON-NLS-1$

  private Text text;

  private Text label;

  public DebugPage(FormEditor editor) {
    super(editor, ID, Messages.OverviewPage_title);

  }

  @Override
  protected void doCreateFormContent(IManagedForm managedForm) {
    FormToolkit toolkit = managedForm.getToolkit();
    ScrolledForm form = managedForm.getForm();
    form.getBody().setLayout(new GridLayout());

    text = toolkit.createText(form.getBody(), getPattern().getName(), SWT.BORDER);
    text.addModifyListener(new ModifyListener() {

      public void modifyText(ModifyEvent e) {
        Pattern pattern = getPattern();// pattern.eResource()
        // System.out.println("pattern = " + pattern + "\tresource = " +
        // pattern.eResource());
        // System.out.println("Parent is " + pattern.getSuperPattern()
        // == null ? "none" : pattern.getSuperPattern().getName()));
        System.out.println("Parent = " + pattern.getSuperPattern() + "\t");
        String text2 = text.getText();
        // Command cmd = SetCommand.create(getEditingDomain(), pattern,
        // FcorePackage.Literals.MODEL_ELEMENT__NAME, text2);
        // if (cmd.canExecute()) {
        // execute(cmd);
        // }
      }

    });
    GridData gd = new GridData(GridData.FILL_HORIZONTAL);
    text.setLayoutData(gd);

    label = toolkit.createText(form.getBody(), "", SWT.BORDER);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    label.setLayoutData(gd);

  }

  void bindParentName() {
    IEMFEditValueProperty mprop = EMFEditProperties.value(getEditingDomain(), FcorePackage.Literals.NAMED_MODEL_ELEMENT__NAME);
    IWidgetValueProperty labelProp = WidgetProperties.text(SWT.Modify);
    IObservableValue uiObs = labelProp.observeDelayed(400, label);
    IObservableValue mObs = mprop.observe(getPattern().getSuperPattern());
    addBinding(ctx.bindValue(uiObs, mObs, new EMFUpdateValueStrategy().setBeforeSetValidator(new IValidator() {

      public IStatus validate(Object value) {

        return Status.OK_STATUS;
      }
    }), null));
  }

  void bindName() {
    IEMFEditValueProperty mprop = EMFEditProperties.value(getEditingDomain(), FcorePackage.Literals.NAMED_MODEL_ELEMENT__NAME);
    IWidgetValueProperty textProp = WidgetProperties.text(SWT.Modify);
    IObservableValue uiObs = textProp.observeDelayed(400, text);
    IObservableValue mObs = mprop.observe(getPattern());

    addBinding(ctx.bindValue(uiObs, mObs, new EMFUpdateValueStrategy().setBeforeSetValidator(new IValidator() {

      public IStatus validate(Object value) {

        return Status.OK_STATUS;
      }
    }), null));
  }

  @Override
  protected void bind() {
    bindName();
    bindParentName();
  }
}