Package uk.ac.starlink.datanode.nodes
Class HTMLDataNode
- java.lang.Object
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- uk.ac.starlink.datanode.nodes.DefaultDataNode
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- uk.ac.starlink.datanode.nodes.HTMLDataNode
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- All Implemented Interfaces:
DataNode
public class HTMLDataNode extends DefaultDataNode
DataNode implementation which describes a top-level HTML document. The formatted HTML page is displayed and hyperlinks can be followed. Note that if links are followed then the original document must be reloaded in order to display the original page again.- Version:
- $Id$
- Author:
- David Giaretta (Starlink)
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Field Summary
Fields Modifier and Type Field Description java.io.File
file
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Constructor Summary
Constructors Constructor Description HTMLDataNode(java.io.File file)
Constructs a URL to be displayed in the pane, if possible.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
allowsChildren()
HTML type does not allow children.void
configureDetail(DetailViewer dv)
Sets up a pane to display the HTML file.java.lang.String
getNodeTLA()
Returns Three Letter Acronym "HTM".java.lang.String
getNodeType()
Returns a short sentence indicating what kind of node this is.-
Methods inherited from class uk.ac.starlink.datanode.nodes.DefaultDataNode
beep, getChildIterator, getChildMaker, getCreator, getDataObject, getDescription, getIcon, getLabel, getName, getParentObject, getPathElement, getPathSeparator, hasDataObject, makeChild, makeErrorChild, registerDataObject, setChildMaker, setCreator, setDescription, setIconID, setLabel, setName, setParentObject, toString
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Constructor Detail
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HTMLDataNode
public HTMLDataNode(java.io.File file) throws NoSuchDataException
Constructs a URL to be displayed in the pane, if possible.- Throws:
NoSuchDataException
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Method Detail
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allowsChildren
public boolean allowsChildren()
HTML type does not allow children.- Specified by:
allowsChildren
in interfaceDataNode
- Overrides:
allowsChildren
in classDefaultDataNode
- Returns:
- false
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getNodeTLA
public java.lang.String getNodeTLA()
Returns Three Letter Acronym "HTM".- Specified by:
getNodeTLA
in interfaceDataNode
- Overrides:
getNodeTLA
in classDefaultDataNode
- Returns:
- "HTM"
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getNodeType
public java.lang.String getNodeType()
Description copied from interface:DataNode
Returns a short sentence indicating what kind of node this is. The return value should be just a few words. As a rough guideline it should indicate what the implementing class is.- Specified by:
getNodeType
in interfaceDataNode
- Overrides:
getNodeType
in classDefaultDataNode
- Returns:
- a short description of the type of this
DataNode
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configureDetail
public void configureDetail(DetailViewer dv)
Sets up a pane to display the HTML file. Also activates the hyperlinks. Note that if any hyperlinks are followed then the new page will be cached and displayed until the original docuemnt is reloaded.- Specified by:
configureDetail
in interfaceDataNode
- Overrides:
configureDetail
in classDefaultDataNode
- Parameters:
dv
- the detail viewer which this node is given an opportunity to configure
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