net.sourceforge.jeuclid.elements.presentation.general
Class AbstractRoot

java.lang.Object
  net.sourceforge.jeuclid.dom.AbstractPartialNodeImpl
      net.sourceforge.jeuclid.dom.AbstractPartialElementImpl
          net.sourceforge.jeuclid.dom.AbstractChangeTrackingElement
              net.sourceforge.jeuclid.elements.AbstractJEuclidElement
                  net.sourceforge.jeuclid.elements.presentation.general.AbstractRoot

All Implemented Interfaces:

ChangeTrackingInterface, DisplayableNode, JEuclidElement, JEuclidNode, Element, MathMLElement, Node

Direct Known Subclasses:

Menclose.Longdiv, Mroot, Msqrt

public abstract class AbstractRoot
extends AbstractJEuclidElement

common superclass for root like elements (root, sqrt).

Version:

$Revision: 310 $

Author:

Max Berger

Nested Class Summary

Nested classes/interfaces inherited from class net.sourceforge.jeuclid.dom.AbstractPartialElementImpl

AbstractPartialElementImpl.AttributeNodeMap, AbstractPartialElementImpl.AttrImpl

Nested classes/interfaces inherited from class net.sourceforge.jeuclid.dom.AbstractPartialNodeImpl

AbstractPartialNodeImpl.NodeList

Field Summary

static char

STANDARD_ROOT_CHAR Char for left part of root rendering.

Fields inherited from class net.sourceforge.jeuclid.elements.AbstractJEuclidElement

ALIGN_AXIS, ALIGN_BASELINE, ALIGN_BOTTOM, ALIGN_CENTER, ALIGN_LEFT, ALIGN_RIGHT, ALIGN_TOP, ATTR_CLASS, ATTR_DEPRECATED_BACKGROUND, ATTR_DEPRECATED_COLOR, ATTR_DEPRECATED_FONTFAMILY, ATTR_DEPRECATED_FONTSIZE, ATTR_DEPRECATED_FONTSTYLE, ATTR_DEPRECATED_FONTWEIGHT, ATTR_HREF, ATTR_ID, ATTR_MATHBACKGROUND, ATTR_MATHCOLOR, ATTR_MATHSIZE, ATTR_MATHVARIANT, ATTR_STYLE, ATTR_XREF, TRIVIAL_SPACE_MAX, URI

Fields inherited from interface org.w3c.dom.Node

ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_POSITION_CONTAINED_BY, DOCUMENT_POSITION_CONTAINS, DOCUMENT_POSITION_DISCONNECTED, DOCUMENT_POSITION_FOLLOWING, DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, DOCUMENT_POSITION_PRECEDING, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, NOTATION_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE

Constructor Summary

AbstractRoot(MathBase base, char root)
Default constructor.

Method Summary

float	calculateAscentHeight(Graphics2D g) Returns the current height of the upper part (over the base line).
float	calculateDescentHeight(Graphics2D g) Calculates descent height (under the base line) of the element.
float	calculateWidth(Graphics2D g) Caculates width of the element.
protected abstract JEuclidElement	getActualIndex() retrieve the actual index for this radical.
protected abstract List<JEuclidElement>	getContent() retrieve the content of this radical element.
void	paint(Graphics2D g, float posX, float posY) Paints this element.

Methods inherited from class net.sourceforge.jeuclid.elements.AbstractJEuclidElement

addMathElement, addText, calculateHeight, changeHook, debug, getAbsoluteScriptLevel, getAscentHeight, getBackgroundColor, getClassName, getContents, getDescentHeight, getFont, getFontMetrics, getFontsizeInPoint, getForegroundColor, getGlobalLineCorrector, getHeight, getHref, getId, getIndexOfMathElement, getInheritedScriptlevel, getMathAttribute, getMathbackground, getMathBase, getMathcolor, getMathElement, getMathElementCount, getMathElementStyle, getMathsize, getMathsizeInPoint, getMathvariant, getMathvariantAsVariant, getMiddleShift, getOwnerMathElement, getPaintedPosX, getPaintedPosY, getParent, getScriptlevelForChild, getScriptSizeMultiplier, getText, getWidth, getXCenter, getXref, hasChildPostscripts, hasChildPrescripts, isCalculatingSize, isChildBlock, recalculateSize, setCalculatingSize, setClassName, setDefaultMathAttribute, setFakeParent, setGlobalLineCorrector, setHref, setId, setMathAttributes, setMathbackground, setMathBase, setMathcolor, setMathElement, setMathElementStyle, setMathsize, setMathvariant, setScriptSizeMultiplier, setXref

Methods inherited from class net.sourceforge.jeuclid.dom.AbstractChangeTrackingElement

addListener, appendChild, fireChanged, fireChangeForSubTree, replaceChild, setAttribute, setTextContent

Methods inherited from class net.sourceforge.jeuclid.dom.AbstractPartialElementImpl

getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getAttributes, getElementsByTagName, getElementsByTagNameNS, getLocalName, getNodeName, getNodeType, getSchemaTypeInfo, hasAttribute, hasAttributeNS, removeAttribute, removeAttributeNode, removeAttributeNS, setAttributeNode, setAttributeNodeNS, setAttributeNS, setIdAttribute, setIdAttributeNode, setIdAttributeNS, toString

Methods inherited from class net.sourceforge.jeuclid.dom.AbstractPartialNodeImpl

cloneNode, compareDocumentPosition, getBaseURI, getChildNodes, getFeature, getFirstChild, getLastChild, getNamespaceURI, getNextSibling, getNodeValue, getOwnerDocument, getParentNode, getPrefix, getPreviousSibling, getTextContent, getUserData, hasAttributes, hasChildNodes, insertBefore, isDefaultNamespace, isEqualNode, isSameNode, isSupported, lookupNamespaceURI, lookupPrefix, normalize, removeChild, setNodeValue, setPrefix, setUserData

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.w3c.dom.Element

getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getElementsByTagName, getElementsByTagNameNS, getSchemaTypeInfo, getTagName, hasAttribute, hasAttributeNS, removeAttribute, removeAttributeNode, removeAttributeNS, setAttribute, setAttributeNode, setAttributeNodeNS, setAttributeNS, setIdAttribute, setIdAttributeNode, setIdAttributeNS

Methods inherited from interface org.w3c.dom.Node

appendChild, cloneNode, compareDocumentPosition, getAttributes, getBaseURI, getChildNodes, getFeature, getFirstChild, getLastChild, getLocalName, getNamespaceURI, getNextSibling, getNodeName, getNodeType, getNodeValue, getOwnerDocument, getParentNode, getPrefix, getPreviousSibling, getTextContent, getUserData, hasAttributes, hasChildNodes, insertBefore, isDefaultNamespace, isEqualNode, isSameNode, isSupported, lookupNamespaceURI, lookupPrefix, normalize, removeChild, replaceChild, setNodeValue, setPrefix, setTextContent, setUserData

Methods inherited from interface net.sourceforge.jeuclid.dom.ChangeTrackingInterface

addListener, fireChanged, fireChangeForSubTree

Field Detail

STANDARD_ROOT_CHAR

public static final char STANDARD_ROOT_CHAR

Char for left part of root rendering.

See Also:

Constant Field Values

Constructor Detail

AbstractRoot

public AbstractRoot(MathBase base,
                    char root)

Default constructor.

Parameters:

base - MathBase to use.

root - Character to use for the root symbol.

Method Detail

getActualIndex

protected abstract JEuclidElement getActualIndex()

retrieve the actual index for this radical.

Returns:

a MathElement representing what to draw as the index

getContent

protected abstract List<JEuclidElement> getContent()

retrieve the content of this radical element.

Returns:

A List<MathElement> with the contents for this element.

calculateAscentHeight

public float calculateAscentHeight(Graphics2D g)

Returns the current height of the upper part (over the base line).

Specified by:

calculateAscentHeight in interface JEuclidElement

Specified by:

calculateAscentHeight in class AbstractJEuclidElement

Parameters:

g - Graphics2D context to use.

Returns:

Height of the upper part.

calculateDescentHeight

public float calculateDescentHeight(Graphics2D g)

Calculates descent height (under the base line) of the element.

Specified by:

calculateDescentHeight in interface JEuclidElement

Specified by:

calculateDescentHeight in class AbstractJEuclidElement

Parameters:

g - Graphics2D context to use.

Returns:

Descent height value.

calculateWidth

public float calculateWidth(Graphics2D g)

Caculates width of the element.

Specified by:

calculateWidth in class AbstractJEuclidElement

Parameters:

g - Graphics2D context to use.

Returns:

Width of the element.

paint

public void paint(Graphics2D g,
                  float posX,
                  float posY)

Paints this element.

Specified by:

paint in interface DisplayableNode

Overrides:

paint in class AbstractJEuclidElement

Parameters:

g - The graphics context to use for painting

posX - The first left position for painting

posY - The position of the baseline