org.eclipse.scout.sdk.ui/src/org/eclipse/scout/sdk/ui/dialog/TemplateFromFormFieldDialog.java

/*******************************************************************************
 * Copyright (c) 2010 BSI Business Systems Integration AG.
 * 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:
 *     BSI Business Systems Integration AG - initial API and implementation
 ******************************************************************************/
package org.eclipse.scout.sdk.ui.dialog;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.core.IType;
import org.eclipse.scout.commons.StringUtility;
import org.eclipse.scout.sdk.Texts;
import org.eclipse.scout.sdk.extensions.targetpackage.DefaultTargetPackage;
import org.eclipse.scout.sdk.extensions.targetpackage.IDefaultTargetPackage;
import org.eclipse.scout.sdk.ui.fields.StyledTextField;
import org.eclipse.scout.sdk.ui.fields.javacode.EntityTextField;
import org.eclipse.scout.sdk.ui.internal.ScoutSdkUi;
import org.eclipse.scout.sdk.util.ScoutUtility;
import org.eclipse.scout.sdk.util.type.TypeUtility;
import org.eclipse.scout.sdk.workspace.IScoutBundle;
import org.eclipse.scout.sdk.workspace.type.ScoutTypeUtility;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.Control;
import org.eclipse.swt.widgets.Shell;

/**
 * <h3>{@link TemplateFromFormFieldDialog}</h3>
 *
 * @author Andreas Hoegger
 * @since 1.0.8 20.09.2010
 */
public class TemplateFromFormFieldDialog extends AbstractStatusDialog {

  private StyledTextField m_templateNameField;
  private Button m_replaceExistingFormField;
  private Button m_createExternalFormDataField;
  private EntityTextField m_entityField;

  private final IType m_formField;
  private final IScoutBundle m_clientBundle;

  private String m_templateName;
  private String m_packageName;
  private boolean m_replaceFormField;
  private boolean m_createExternalFormData;

  /**
   * @param parentShell
   */
  public TemplateFromFormFieldDialog(Shell parentShell, String templateName, IType formField) {
    super(parentShell);
    m_formField = formField;
    m_templateName = templateName;
    m_replaceFormField = true;
    m_createExternalFormData = true;
    m_clientBundle = ScoutTypeUtility.getScoutBundle(formField.getJavaProject());
    setTargetPackage(DefaultTargetPackage.get(m_clientBundle, IDefaultTargetPackage.CLIENT_TEMPLATE_FORMFIELD));
    setShellStyle(getShellStyle() | SWT.RESIZE);
    setTitle(Texts.get("CreateTemplateOf", getFormField().getElementName()));
    setMessage(Texts.get("TemplateDesc"));
  }

  @Override
  protected void configureShell(Shell newShell) {
    super.configureShell(newShell);
    newShell.setText(Texts.get("TemplateSupport"));
  }

  @Override
  protected Control createDialogArea(Composite parent) {
    int labelColWidthPercent = 20;

    Composite container = new Composite(parent, SWT.NONE);
    m_templateNameField = getFieldToolkit().createStyledTextField(container, Texts.get("TemplateName"), labelColWidthPercent);
    m_templateNameField.setReadOnlyPrefix("Abstract");
    m_templateNameField.setText(getTemplateName());
    m_templateNameField.addModifyListener(new ModifyListener() {
      @Override
      public void modifyText(ModifyEvent e) {
        m_templateName = m_templateNameField.getText();
        pingStateChanging();
      }
    });

    if (DefaultTargetPackage.isPackageConfigurationEnabled()) {
      m_entityField = getFieldToolkit().createEntityTextField(container, Texts.get("EntityTextField"), m_clientBundle, labelColWidthPercent);
      m_entityField.setText(getTargetPackage());
      m_entityField.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
          setTargetPackageInternal(m_entityField.getText());
          pingStateChanging();
        }
      });
      m_entityField.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.FILL_HORIZONTAL));
    }

    m_replaceExistingFormField = new Button(container, SWT.CHECK);
    m_replaceExistingFormField.setText(Texts.get("UseTemplateFor", getFormField().getElementName()));
    m_replaceExistingFormField.setSelection(isReplaceFormField());
    m_replaceExistingFormField.addSelectionListener(new SelectionAdapter() {
      @Override
      public void widgetSelected(SelectionEvent e) {
        m_replaceFormField = m_replaceExistingFormField.getSelection();
        pingStateChanging();
      }
    });

    m_createExternalFormDataField = new Button(container, SWT.CHECK);
    m_createExternalFormDataField.setText(Texts.get("CreateExternalFormData"));
    m_createExternalFormDataField.setSelection(isCreateExternalFormData());
    m_createExternalFormDataField.addSelectionListener(new SelectionAdapter() {
      @Override
      public void widgetSelected(SelectionEvent e) {
        m_createExternalFormData = m_createExternalFormDataField.getSelection();
        pingStateChanging();
      }
    });

    // layout
    container.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH));
    container.setLayout(new GridLayout(1, true));
    m_templateNameField.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.FILL_HORIZONTAL));
    m_replaceExistingFormField.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.FILL_HORIZONTAL));
    m_createExternalFormDataField.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.FILL_HORIZONTAL));
    return container;
  }

  @Override
  protected void validate(MultiStatus multiStatus) {
    multiStatus.add(getStatusTemplateName());
    multiStatus.add(getStatusTargetPackge());
  }

  protected IStatus getStatusTargetPackge() {
    return ScoutUtility.validatePackageName(getTargetPackage());
  }

  private IStatus getStatusTemplateName() {
    if (StringUtility.isNullOrEmpty(getTemplateName()) || "Abstrat".equals(getTemplateName())) {
      return new Status(IStatus.ERROR, ScoutSdkUi.PLUGIN_ID, Texts.get("NameNotValid"));
    }
    IScoutBundle bundle = ScoutTypeUtility.getScoutBundle(getFormField());
    if (TypeUtility.existsType(bundle.getPackageName(getTargetPackage()) + "." + getTemplateName())) {
      return new Status(IStatus.ERROR, ScoutSdkUi.PLUGIN_ID, Texts.get("TemplateAlreadyExists"));
    }
    return Status.OK_STATUS;
  }

  /**
   * @return the formField
   */
  public IType getFormField() {
    return m_formField;
  }

  /**
   * @return the templateName
   */
  public String getTemplateName() {
    return m_templateName;
  }

  /**
   * @return the replaceFormField
   */
  public boolean isReplaceFormField() {
    return m_replaceFormField;
  }

  /**
   * @return the createExternalFormData
   */
  public boolean isCreateExternalFormData() {
    return m_createExternalFormData;
  }

  public String getTargetPackage() {
    return m_packageName;
  }

  public void setTargetPackage(String targetPackage) {
    try {
      setStateChanging(true);
      setTargetPackageInternal(targetPackage);
      if (isControlCreated() && m_entityField != null) {
        m_entityField.setText(targetPackage);
      }
    }
    finally {
      setStateChanging(false);
    }
  }

  protected void setTargetPackageInternal(String targetPackage) {
    m_packageName = targetPackage;
  }
}