org.eclipse.osbp.xtext.signal.ui/xtend-gen/org/eclipse/osbp/xtext/signal/ui/contentassist/SignalDSLProposalProvider.java

/**
 * Copyright (c) 2011, 2018 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 * 
 *  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:
 * 	   Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
 * 
 * generated by Xtext 2.11.0
 */
package org.eclipse.osbp.xtext.signal.ui.contentassist;

import com.google.inject.Inject;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.osbp.xtext.basic.ui.contentassist.BasicDSLProposalProviderHelper;
import org.eclipse.osbp.xtext.signal.SignalHandler;
import org.eclipse.osbp.xtext.signal.SignalHandlerTypeEnum;
import org.eclipse.osbp.xtext.signal.SignalTypeEnum;
import org.eclipse.osbp.xtext.signal.SignalWatcher;
import org.eclipse.osbp.xtext.signal.ui.contentassist.AbstractSignalDSLProposalProvider;
import org.eclipse.osbp.xtext.signal.ui.contentassist.DirectoryNameTextApplier;
import org.eclipse.xtext.Assignment;
import org.eclipse.xtext.EcoreUtil2;
import org.eclipse.xtext.RuleCall;
import org.eclipse.xtext.common.ui.contentassist.TerminalsProposalProvider;
import org.eclipse.xtext.ui.editor.contentassist.ConfigurableCompletionProposal;
import org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext;
import org.eclipse.xtext.ui.editor.contentassist.ICompletionProposalAcceptor;

/**
 * See https://www.eclipse.org/Xtext/documentation/304_ide_concepts.html#content-assist
 * on how to customize the content assistant.
 */
@SuppressWarnings("all")
public class SignalDSLProposalProvider extends AbstractSignalDSLProposalProvider {
  @Inject
  private TerminalsProposalProvider provider;
  
  @Inject
  private BasicDSLProposalProviderHelper providerHelper;
  
  @Override
  public void complete_QualifiedName(final EObject model, final RuleCall ruleCall, final ContentAssistContext context, final ICompletionProposalAcceptor acceptor) {
    this.providerHelper.complete_PackageName(model, ruleCall, context, acceptor, this);
  }
  
  @Override
  public void completeSignalWatcher_Directory(final EObject model, final Assignment assignment, final ContentAssistContext context, final ICompletionProposalAcceptor acceptor) {
    this.directoryPickerProposal(model, context, acceptor);
  }
  
  public void directoryPickerProposal(final EObject model, final ContentAssistContext context, final ICompletionProposalAcceptor acceptor) {
    ICompletionProposal _createCompletionProposal = this.createCompletionProposal("Select directory...", context);
    ConfigurableCompletionProposal dirName = ((ConfigurableCompletionProposal) _createCompletionProposal);
    if ((dirName != null)) {
      DirectoryNameTextApplier applier = new DirectoryNameTextApplier();
      applier.setContext(context);
      dirName.setTextApplier(applier);
    }
    acceptor.accept(dirName);
  }
  
  /**
   * This method decided which proposals will be valid.
   */
  @Override
  protected boolean isValidProposal(final String proposal, final String prefix, final ContentAssistContext context) {
    boolean result = super.isValidProposal(proposal, prefix, context);
    EObject _currentModel = context.getCurrentModel();
    if ((_currentModel instanceof SignalHandler)) {
      EObject _currentModel_1 = context.getCurrentModel();
      result = this.isValidProposalSignalHandlerType(proposal, prefix, ((SignalHandler) _currentModel_1), result);
    }
    return result;
  }
  
  private boolean isValidProposalSignalHandlerType(final String proposal, final String prefix, final SignalHandler handler, final boolean result) {
    if ((handler != null)) {
      final EObject watcher = EcoreUtil2.resolve(handler.eContainer(), handler.eResource());
      if (((watcher != null) && (watcher instanceof SignalWatcher))) {
        SignalTypeEnum _signal = ((SignalWatcher) watcher).getSignal();
        if (_signal != null) {
          switch (_signal) {
            case ALL:
              return true;
            case CREATESIGNALS:
              return SignalHandlerTypeEnum.DOAFTERCREATE.getLiteral().equals(proposal);
            case DELETESIGNALS:
              return SignalHandlerTypeEnum.DOAFTERDELETE.getLiteral().equals(proposal);
            case MODIFYSIGNALS:
              return SignalHandlerTypeEnum.DOAFTERMODIFY.getLiteral().equals(proposal);
            default:
              return false;
          }
        } else {
          return false;
        }
      }
    }
    return result;
  }
  
  @Override
  public void complete_INT(final EObject model, final RuleCall ruleCall, final ContentAssistContext context, final ICompletionProposalAcceptor acceptor) {
    this.provider.complete_INT(model, ruleCall, context, acceptor);
  }
  
  @Override
  public void complete_STRING(final EObject model, final RuleCall ruleCall, final ContentAssistContext context, final ICompletionProposalAcceptor acceptor) {
    this.provider.complete_STRING(model, ruleCall, context, acceptor);
  }
}