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org.apache.batik.swing.svg
Class JSVGComponent.BridgeUserAgent

java.lang.Object
  extended by org.apache.batik.swing.svg.JSVGComponent.BridgeUserAgent
All Implemented Interfaces:
UserAgent
Direct Known Subclasses:
JSVGCanvas.CanvasUserAgent
Enclosing class:
JSVGComponent
protected class JSVGComponent.BridgeUserAgent
extends Object
implements UserAgent

To hide the user-agent methods.

Field Summary
protected  Map extensions
           
 
Constructor Summary
protected JSVGComponent.BridgeUserAgent()
          Creates a new user agent.
 
Method Summary
 void checkLoadExternalResource(ParsedURL resourceURL, ParsedURL docURL)
          This method throws a SecurityException if the resource found at url and referenced from docURL should not be loaded.
 void checkLoadScript(String scriptType, ParsedURL scriptURL, ParsedURL docURL)
          This method throws a SecurityException if the script of given type, found at url and referenced from docURL should not be loaded.
 void deselectAll()
          Informs the user agent that the text selection should be cleared.
 void displayError(Exception ex)
          Displays an error resulting from the specified Exception.
 void displayError(String message)
          Displays an error message in the User Agent interface.
 void displayMessage(String message)
          Displays a message in the User Agent interface.
protected  void fireLinkActivatedEvent(org.w3c.dom.svg.SVGAElement elt, String href)
          Fires a LinkActivatedEvent.
 String getAlternateStyleSheet()
          Returns this user agent's alternate style-sheet title.
 float getBolderFontWeight(float f)
          Returns a bolder font-weight.
 org.w3c.dom.svg.SVGDocument getBrokenLinkDocument(Element e, String url, String message)
          This implementation provides a true SVG Document that it annotates with some information about why the real document can't be loaded (unfortunately right now tool tips are broken for content referenced by images so you can't actually see the info).
 Point getClientAreaLocationOnScreen()
          Returns the location on the screen of the client area in the UserAgent.
 String getDefaultFontFamily()
          Returns the default font family.
 EventDispatcher getEventDispatcher()
          Returns the EventDispatcher used by the UserAgent to dispatch events on GVT.
 ExternalResourceSecurity getExternalResourceSecurity(ParsedURL resourceURL, ParsedURL docURL)
          Returns the security settings for the given resource url and document url
 FontFamilyResolver getFontFamilyResolver()
          Returns the Font Family Resolver
 String getLanguages()
          Returns the language settings.
 float getLighterFontWeight(float f)
          Returns a lighter font-weight.
 String getMedia()
          Returns this user agent's CSS media.
 float getMediumFontSize()
          Returns the medium font size.
 float getPixelToMM()
          Returns the size of a px CSS unit in millimeters.
 float getPixelUnitToMillimeter()
          Returns the size of a px CSS unit in millimeters.
 ScriptSecurity getScriptSecurity(String scriptType, ParsedURL scriptURL, ParsedURL docURL)
          Returns the security settings for the given script type, script url and document url
 AffineTransform getTransform()
          Returns the AffineTransform currently applied to the drawing by the UserAgent.
 String getUserStyleSheetURI()
          Returns the user stylesheet uri.
 Dimension2D getViewportSize()
          Returns the default size of the viewport of this user agent (0, 0).
 String getXMLParserClassName()
          Returns the class name of the XML parser.
 void handleElement(Element elt, Object data)
          Notifies the UserAgent that the input element has been found in the document.
 boolean hasFeature(String s)
          Tells whether the given feature is supported by this user agent.
 boolean isXMLParserValidating()
          Returns true if the XML parser must be in validation mode, false otherwise depending on the SVGUserAgent.
 void loadDocument(String url)
          This method should load a new document described by the supplied URL.
 void openLink(org.w3c.dom.svg.SVGAElement elt)
          Opens a link.
 void registerExtension(BridgeExtension ext)
          Lets the bridge tell the user agent that the following extension is supported by the bridge.
 void setSVGCursor(Cursor cursor)
          Informs the user agent to change the cursor.
 void setTextSelection(Mark start, Mark end)
          Informs the user agent that the text selection has changed.
 void setTransform(AffineTransform at)
          Sets the AffineTransform to be applied to the drawing by the UserAgent.
 void showAlert(String message)
          Shows an alert dialog box.
 boolean showConfirm(String message)
          Shows a confirm dialog box.
 String showPrompt(String message)
          Shows a prompt dialog box.
 String showPrompt(String message, String defaultValue)
          Shows a prompt dialog box.
 boolean supportExtension(String s)
          Tells whether the given extension is supported by this user agent.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

extensions

protected Map extensions
Constructor Detail

JSVGComponent.BridgeUserAgent

protected JSVGComponent.BridgeUserAgent()
Creates a new user agent.

Method Detail

getViewportSize

public Dimension2D getViewportSize()
Returns the default size of the viewport of this user agent (0, 0).

Specified by:
getViewportSize in interface UserAgent

getEventDispatcher

public EventDispatcher getEventDispatcher()
Returns the EventDispatcher used by the UserAgent to dispatch events on GVT.

Specified by:
getEventDispatcher in interface UserAgent

displayError

public void displayError(String message)
Displays an error message in the User Agent interface.

displayError

public void displayError(Exception ex)
Displays an error resulting from the specified Exception.

Specified by:
displayError in interface UserAgent

displayMessage

public void displayMessage(String message)
Displays a message in the User Agent interface.

Specified by:
displayMessage in interface UserAgent

showAlert

public void showAlert(String message)
Shows an alert dialog box.

Specified by:
showAlert in interface UserAgent

showPrompt

public String showPrompt(String message)
Shows a prompt dialog box.

Specified by:
showPrompt in interface UserAgent

showPrompt

public String showPrompt(String message,
                         String defaultValue)
Shows a prompt dialog box.

Specified by:
showPrompt in interface UserAgent

showConfirm

public boolean showConfirm(String message)
Shows a confirm dialog box.

Specified by:
showConfirm in interface UserAgent

getPixelUnitToMillimeter

public float getPixelUnitToMillimeter()
Returns the size of a px CSS unit in millimeters.

Specified by:
getPixelUnitToMillimeter in interface UserAgent

getPixelToMM

public float getPixelToMM()
Returns the size of a px CSS unit in millimeters. This will be removed after next release.

Specified by:
getPixelToMM in interface UserAgent
See Also:
getPixelUnitToMillimeter()

getDefaultFontFamily

public String getDefaultFontFamily()
Returns the default font family.

Specified by:
getDefaultFontFamily in interface UserAgent

getMediumFontSize

public float getMediumFontSize()
Returns the medium font size.

Specified by:
getMediumFontSize in interface UserAgent

getLighterFontWeight

public float getLighterFontWeight(float f)
Returns a lighter font-weight.

Specified by:
getLighterFontWeight in interface UserAgent

getBolderFontWeight

public float getBolderFontWeight(float f)
Returns a bolder font-weight.

Specified by:
getBolderFontWeight in interface UserAgent

getLanguages

public String getLanguages()
Returns the language settings.

Specified by:
getLanguages in interface UserAgent

getUserStyleSheetURI

public String getUserStyleSheetURI()
Returns the user stylesheet uri.

Specified by:
getUserStyleSheetURI in interface UserAgent
Returns:
null if no user style sheet was specified.

openLink

public void openLink(org.w3c.dom.svg.SVGAElement elt)
Opens a link.

Specified by:
openLink in interface UserAgent
Parameters:
elt - The activated link element.

fireLinkActivatedEvent

protected void fireLinkActivatedEvent(org.w3c.dom.svg.SVGAElement elt,
                                      String href)
Fires a LinkActivatedEvent.

setSVGCursor

public void setSVGCursor(Cursor cursor)
Informs the user agent to change the cursor.

Specified by:
setSVGCursor in interface UserAgent
Parameters:
cursor - the new cursor

setTextSelection

public void setTextSelection(Mark start,
                             Mark end)
Informs the user agent that the text selection has changed.

Specified by:
setTextSelection in interface UserAgent
Parameters:
start - The Mark for the start of the selection.
end - The Mark for the end of the selection.

deselectAll

public void deselectAll()
Informs the user agent that the text selection should be cleared.

Specified by:
deselectAll in interface UserAgent

getXMLParserClassName

public String getXMLParserClassName()
Returns the class name of the XML parser.

Specified by:
getXMLParserClassName in interface UserAgent

isXMLParserValidating

public boolean isXMLParserValidating()
Returns true if the XML parser must be in validation mode, false otherwise depending on the SVGUserAgent.

Specified by:
isXMLParserValidating in interface UserAgent

getTransform

public AffineTransform getTransform()
Returns the AffineTransform currently applied to the drawing by the UserAgent.

Specified by:
getTransform in interface UserAgent

setTransform

public void setTransform(AffineTransform at)
Sets the AffineTransform to be applied to the drawing by the UserAgent.

Specified by:
setTransform in interface UserAgent

getMedia

public String getMedia()
Returns this user agent's CSS media.

Specified by:
getMedia in interface UserAgent

getAlternateStyleSheet

public String getAlternateStyleSheet()
Returns this user agent's alternate style-sheet title.

Specified by:
getAlternateStyleSheet in interface UserAgent

getClientAreaLocationOnScreen

public Point getClientAreaLocationOnScreen()
Returns the location on the screen of the client area in the UserAgent.

Specified by:
getClientAreaLocationOnScreen in interface UserAgent

hasFeature

public boolean hasFeature(String s)
Tells whether the given feature is supported by this user agent.

Specified by:
hasFeature in interface UserAgent

supportExtension

public boolean supportExtension(String s)
Tells whether the given extension is supported by this user agent.

Specified by:
supportExtension in interface UserAgent

registerExtension

public void registerExtension(BridgeExtension ext)
Lets the bridge tell the user agent that the following extension is supported by the bridge.

Specified by:
registerExtension in interface UserAgent

handleElement

public void handleElement(Element elt,
                          Object data)
Notifies the UserAgent that the input element has been found in the document. This is sometimes called, for example, to handle <a> or <title> elements in a UserAgent-dependant way.

Specified by:
handleElement in interface UserAgent

getScriptSecurity

public ScriptSecurity getScriptSecurity(String scriptType,
                                        ParsedURL scriptURL,
                                        ParsedURL docURL)
Returns the security settings for the given script type, script url and document url

Specified by:
getScriptSecurity in interface UserAgent
Parameters:
scriptType - type of script, as found in the type attribute of the <script> element.
scriptURL - url for the script, as defined in the script's xlink:href attribute. If that attribute was empty, then this parameter should be null
docURL - url for the document into which the script was found.

checkLoadScript

public void checkLoadScript(String scriptType,
                            ParsedURL scriptURL,
                            ParsedURL docURL)
                     throws SecurityException
This method throws a SecurityException if the script of given type, found at url and referenced from docURL should not be loaded. This is a convenience method to call checkLoadScript on the ScriptSecurity strategy returned by getScriptSecurity.

Specified by:
checkLoadScript in interface UserAgent
Parameters:
scriptType - type of script, as found in the type attribute of the <script> element.
scriptURL - url for the script, as defined in the script's xlink:href attribute. If that attribute was empty, then this parameter should be null
docURL - url for the document into which the script was found.
Throws:
SecurityException

getExternalResourceSecurity

public ExternalResourceSecurity getExternalResourceSecurity(ParsedURL resourceURL,
                                                            ParsedURL docURL)
Returns the security settings for the given resource url and document url

Specified by:
getExternalResourceSecurity in interface UserAgent
Parameters:
resourceURL - url for the script, as defined in the resource's xlink:href attribute. If that attribute was empty, then this parameter should be null
docURL - url for the document into which the script was found.

checkLoadExternalResource

public void checkLoadExternalResource(ParsedURL resourceURL,
                                      ParsedURL docURL)
                               throws SecurityException
This method throws a SecurityException if the resource found at url and referenced from docURL should not be loaded. This is a convenience method to call checkLoadExternalResource on the ExternalResourceSecurity strategy returned by getExternalResourceSecurity.

Specified by:
checkLoadExternalResource in interface UserAgent
Parameters:
resourceURL - url for the resource, as defined in the resource's xlink:href attribute. If that attribute was empty, then this parameter should be null
docURL - url for the document into which the resource was found.
Throws:
SecurityException

getBrokenLinkDocument

public org.w3c.dom.svg.SVGDocument getBrokenLinkDocument(Element e,
                                                         String url,
                                                         String message)
This implementation provides a true SVG Document that it annotates with some information about why the real document can't be loaded (unfortunately right now tool tips are broken for content referenced by images so you can't actually see the info).

Specified by:
getBrokenLinkDocument in interface UserAgent
Parameters:
e - The <image> element that can't be loaded.
url - The resolved url that can't be loaded.
message - As best as can be determined the reason it can't be loaded (not available, corrupt, unknown format,...).

loadDocument

public void loadDocument(String url)
This method should load a new document described by the supplied URL.

Specified by:
loadDocument in interface UserAgent
Parameters:
url - The url to be loaded as a string.

getFontFamilyResolver

public FontFamilyResolver getFontFamilyResolver()
Description copied from interface: UserAgent
Returns the Font Family Resolver

Specified by:
getFontFamilyResolver in interface UserAgent
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