Package lupos.gui.operatorgraph.graphwrapper

Source Code of lupos.gui.operatorgraph.graphwrapper.GraphWrapperASTRIF

/**
* Copyright (c) 2013, Institute of Information Systems (Sven Groppe and contributors of LUPOSDATE), University of Luebeck
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
*   - Redistributions of source code must retain the above copyright notice, this list of conditions and the following
*     disclaimer.
*   - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
*     following disclaimer in the documentation and/or other materials provided with the distribution.
*   - Neither the name of the University of Luebeck nor the names of its contributors may be used to endorse or promote
*     products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package lupos.gui.operatorgraph.graphwrapper;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.util.Arrays;
import java.util.Hashtable;
import java.util.LinkedList;
import java.util.List;

import lupos.gui.operatorgraph.AbstractSuperGuiComponent;
import lupos.gui.operatorgraph.DrawObject;
import lupos.gui.operatorgraph.GraphWrapperIDTuple;
import lupos.gui.operatorgraph.OperatorGraph;
import lupos.gui.operatorgraph.prefix.Prefix;
import lupos.gui.operatorgraph.viewer.ElementPanel;
import lupos.rif.generated.syntaxtree.INode;
import lupos.rif.generated.syntaxtree.NodeChoice;
import lupos.rif.generated.syntaxtree.NodeList;
import lupos.rif.generated.syntaxtree.NodeListOptional;
import lupos.rif.generated.syntaxtree.NodeOptional;
import lupos.rif.generated.syntaxtree.NodeSequence;
import lupos.rif.generated.syntaxtree.NodeToken;
import lupos.rif.visitor.ChildrenSyntaxTreeVisitor;
import xpref.datatypes.BooleanDatatype;

/**
* Graphwrapper for RIF Abstract Syntaxtree in lupos.rif.generated.syntaxtree
*/
public class GraphWrapperASTRIF extends GraphWrapper {
  public GraphWrapperASTRIF(final INode element) {
    super(element);
  }

  @Override
  public AbstractSuperGuiComponent createObject(final OperatorGraph parent) {
    return new ElementPanel(parent, this);
  }

  @Override
  public void drawAnnotationsBackground(final Graphics2D g2d,
      final Dimension size) {
  }

  @Override
  public void drawBackground(final Graphics2D g2d, final Dimension size) {
    try {
      if (!BooleanDatatype.getValues("ast_useStyledBoxes").get(0)
          .booleanValue()) {
        DrawObject.drawSimpleBoxOuterLines(g2d, 0, 0, size.width - 1,
            size.height - 1, Color.WHITE, Color.BLACK);
      } else {
        DrawObject drawObject = null;

        if (instanceOf(this.element, Arrays.asList(NodeToken.class))) {
          drawObject = this
              .getOperatorStyle("ast_style_terminalnode");
        } else
          drawObject = this
              .getOperatorStyle("ast_style_nonterminalnode");

        if (drawObject != null) {
          drawObject.draw(g2d, 0, 0, size.width, size.height);
        } else {
          DrawObject.drawGradientPaintRoundBox(g2d, 0, 0, size.width,
              size.height, Color.LIGHT_GRAY, Color.WHITE);
        }
      }
    } catch (final Exception e) {
      System.err.println(e);
      e.printStackTrace();
    }
  }

  @Override
  public Hashtable<GraphWrapper, AbstractSuperGuiComponent> drawLineAnnotations(
      final OperatorGraph parent) {
    return new Hashtable<GraphWrapper, AbstractSuperGuiComponent>();
  }

  @Override
  public LinkedList<GraphWrapper> getContainerElements() {
    return new LinkedList<GraphWrapper>();
  }

  @Override
  public LinkedList<GraphWrapper> getPrecedingElements() {
    final LinkedList<GraphWrapper> precedingElements = new LinkedList<GraphWrapper>();

    if (((INode) element).getParent() != null) {
      INode parent = ((INode) element).getParent();
      while (instanceOf(parent, Arrays.asList(NodeList.class,
          NodeListOptional.class, NodeSequence.class,
          NodeOptional.class, NodeChoice.class)))
        parent = parent.getParent();

      precedingElements.add(new GraphWrapperASTRIF(parent));
    }

    return precedingElements;
  }

  @Override
  public LinkedList<GraphWrapperIDTuple> getSucceedingElements() {
    final List<INode> children = ((INode) element).accept(
        new ChildrenSyntaxTreeVisitor(), null);
    final LinkedList<GraphWrapperIDTuple> succedingElements = new LinkedList<GraphWrapperIDTuple>();

    if (children != null) {
      for (int i = 0; i < children.size(); ++i) {
        if (children.get(i) != null)
          succedingElements.add(new GraphWrapperIDTuple(
              new GraphWrapperASTRIF(children.get(i)), i));
      }
    }

    return succedingElements;
  }

  @Override
  public boolean isContainer() {
    return false;
  }

  @Override
  public StringBuffer serializeObjectAndTree() {
    return new StringBuffer();
  }

  @Override
  public String toString(final Prefix prefixInstance) {
    return element instanceof NodeToken ? element.toString() : element
        .getClass().getSimpleName().replaceAll("RIF", "");
  }

  @Override
  public INode getElement() {
    return (INode) this.element;
  }

  @Override
  public boolean usePrefixesActive() {
    return false;
  }

  @Override
  public String getWantedPreferencesID() {
    return "ast_useStyledBoxes";
  }
}
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