/*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.flex.compiler.internal.fxg.dom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.flex.compiler.fxg.dom.IFXGNode;
import org.apache.flex.compiler.internal.fxg.dom.types.ScalingGrid;
import org.apache.flex.compiler.problems.FXGInvalidScaleGridGroupChildProblem;
import org.apache.flex.compiler.problems.FXGInvalidScaleGridRotationAttributeProblem;
import org.apache.flex.compiler.problems.ICompilerProblem;
import static org.apache.flex.compiler.fxg.FXGConstants.*;
public class GroupNode extends GraphicContentNode implements IMaskingNode
{
//--------------------------------------------------------------------------
//
// Attributes
//
//--------------------------------------------------------------------------
public double scaleGridLeft = 0.0;
public double scaleGridRight = 0.0;
public double scaleGridTop = 0.0;
public double scaleGridBottom = 0.0;
//--------------------------------------------------------------------------
//
// Children
//
//--------------------------------------------------------------------------
public List<GraphicContentNode> children;
@Override
public List<IFXGNode> getChildren()
{
List<IFXGNode> childrenRes = new ArrayList<IFXGNode>();
childrenRes.addAll(super.getChildren());
if(children != null)
childrenRes.addAll(children);
return childrenRes;
}
//--------------------------------------------------------------------------
//
// IFXGNode Implementation
//
//--------------------------------------------------------------------------
/**
* Adds an FXG child node to this Group node.
*
* @param child - a child FXG node to be added to this node.
* @param problems problem collection used to collect problems occurred within this method
*/
@Override
public void addChild(IFXGNode child, Collection<ICompilerProblem> problems)
{
if (child instanceof GraphicContentNode)
{
if (children == null)
children = new ArrayList<GraphicContentNode>();
GraphicContentNode graphicContent = (GraphicContentNode)child;
graphicContent.setParentGraphicContext(createGraphicContext());
if (child instanceof GroupNode)
{
if (isInsideScaleGrid())
{
// A child Group cannot exist in a Group that
// defines the scale grid
problems.add(new FXGInvalidScaleGridGroupChildProblem(getDocumentPath(), child.getStartLine(), child.getStartColumn()));
return;
}
}
children.add(graphicContent);
}
else
{
super.addChild(child, problems);
}
}
/**
* @return The unqualified name of a Group node, without tag markup.
*/
@Override
public String getNodeName()
{
return FXG_GROUP_ELEMENT;
}
/**
* Sets an FXG attribute on this Group node.
*
* @param name - the unqualified attribute name
* @param value - the attribute value
* @param problems problem collection used to collect problems occurred within this method
*/
@Override
public void setAttribute(String name, String value, Collection<ICompilerProblem> problems)
{
if (FXG_SCALEGRIDLEFT_ATTRIBUTE.equals(name))
{
scaleGridLeft = DOMParserHelper.parseDouble(this, value, name, scaleGridLeft, problems);
definesScaleGrid = true;
}
else if (FXG_SCALEGRIDTOP_ATTRIBUTE.equals(name))
{
scaleGridTop = DOMParserHelper.parseDouble(this, value, name, scaleGridTop, problems);
definesScaleGrid = true;
}
else if (FXG_SCALEGRIDRIGHT_ATTRIBUTE.equals(name))
{
scaleGridRight = DOMParserHelper.parseDouble(this, value, name, scaleGridRight, problems);
definesScaleGrid = true;
}
else if (FXG_SCALEGRIDBOTTOM_ATTRIBUTE.equals(name))
{
scaleGridBottom = DOMParserHelper.parseDouble(this, value, name, scaleGridBottom, problems);
definesScaleGrid = true;
}
else
{
super.setAttribute(name, value, problems);
}
if ((definesScaleGrid) && (this.rotationSet))
{
problems.add(new FXGInvalidScaleGridRotationAttributeProblem(getDocumentPath(), getStartLine(), getStartColumn()));
return;
}
}
@Override
public GraphicContext createGraphicContext()
{
GraphicContext context = super.createGraphicContext();
if (definesScaleGrid())
{
ScalingGrid scalingGrid = new ScalingGrid();
scalingGrid.scaleGridLeft = scaleGridLeft;
scalingGrid.scaleGridTop = scaleGridTop;
scalingGrid.scaleGridRight = scaleGridRight;
scalingGrid.scaleGridBottom = scaleGridBottom;
context.scalingGrid = scalingGrid;
}
return context;
}
public boolean definesScaleGrid()
{
return definesScaleGrid;
}
public boolean isInsideScaleGrid()
{
return insideScaleGrid || definesScaleGrid;
}
public void setInsideScaleGrid(boolean value)
{
insideScaleGrid = value;
}
private boolean definesScaleGrid;
private boolean insideScaleGrid;
//--------------------------------------------------------------------------
//
// IMaskingNode Implementation
//
//--------------------------------------------------------------------------
private int maskIndex;
/**
* @return the index of a mask in a parent DisplayObject's list of children.
* This can be used to access the mask programmatically at runtime.
*/
@Override
public int getMaskIndex()
{
return maskIndex;
}
/**
* Records the index of this mask in the parent DisplayObject's list of
* children. (Optional).
* @param index - the child index to the mask
*/
@Override
public void setMaskIndex(int index)
{
maskIndex = index;
}
}