Package com.mxgraph.reader
Class mxGraphViewReader
java.lang.Object
org.xml.sax.helpers.DefaultHandler
com.mxgraph.reader.mxGraphViewReader
- All Implemented Interfaces:
ContentHandler
,DTDHandler
,EntityResolver
,ErrorHandler
- Direct Known Subclasses:
mxGraphViewImageReader
An abstract converter that renders display XML data onto a canvas.
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected mxICanvas
Holds the canvas to be used for rendering the graph.protected boolean
Specifies if labels should be rendered as HTML markup.protected double
Holds the global scale of the graph. -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionabstract mxICanvas
createCanvas
(Map<String, Object> attrs) Returns the canvas to be used for rendering.Returns the canvas that is used for rendering the graph.boolean
Returns the htmlLabels switch.void
parseElement
(String tagName, Map<String, Object> attrs) Parses the given element and paints it onto the canvas.parsePoints
(String pts) Parses the list of points into an object-oriented representation.parseState
(mxCellState state, boolean edge) Parses the bounds, absolute points and label information from the style of the state into its respective fields and returns the label of the cell.void
setHtmlLabels
(boolean value) Sets the htmlLabels switch.void
startElement
(String uri, String localName, String qName, Attributes atts) Methods inherited from class org.xml.sax.helpers.DefaultHandler
characters, endDocument, endElement, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.xml.sax.ContentHandler
declaration
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Field Details
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canvas
Holds the canvas to be used for rendering the graph. -
scale
protected double scaleHolds the global scale of the graph. This is set just before createCanvas is called. -
htmlLabels
protected boolean htmlLabelsSpecifies if labels should be rendered as HTML markup.
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Constructor Details
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mxGraphViewReader
public mxGraphViewReader()
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Method Details
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setHtmlLabels
public void setHtmlLabels(boolean value) Sets the htmlLabels switch. -
isHtmlLabels
public boolean isHtmlLabels()Returns the htmlLabels switch. -
createCanvas
Returns the canvas to be used for rendering.- Parameters:
attrs
- Specifies the attributes of the new canvas.- Returns:
- Returns a new canvas.
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getCanvas
Returns the canvas that is used for rendering the graph.- Returns:
- Returns the canvas.
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startElement
public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException - Specified by:
startElement
in interfaceContentHandler
- Overrides:
startElement
in classDefaultHandler
- Throws:
SAXException
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parseElement
Parses the given element and paints it onto the canvas.- Parameters:
tagName
- Name of the node to be parsed.attrs
- Attributes of the node to be parsed.
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parseState
Parses the bounds, absolute points and label information from the style of the state into its respective fields and returns the label of the cell. -
parsePoints
Parses the list of points into an object-oriented representation.- Parameters:
pts
- String containing a list of points.- Returns:
- Returns the points as a list of mxPoints.
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