Package org.deltava.taglib.googlemap

Class GoogleMapEntryTag

java.lang.Object

javax.servlet.jsp.tagext.TagSupport

org.deltava.taglib.JSTag

org.deltava.taglib.googlemap.GoogleMapEntryTag

All Implemented Interfaces:

Serializable, IterationTag, JspTag, Tag

Direct Known Subclasses:

BoundsTag, LineTag, MarkerArrayTag, MarkerTag, PointArrayTag, PointTag

abstract class GoogleMapEntryTag
extends JSTag

An abstract class to support Google Maps JSP tags.

Since:

1.0

Version:

6.0

Author:

Luke

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final String	API_JS_NAME	Internal name used to check for Google Maps API inclusion.

Fields inherited from class org.deltava.taglib.JSTag

_jsVarName

Fields inherited from class javax.servlet.jsp.tagext.TagSupport

id, pageContext

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface javax.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

Constructors

Constructor	Description
GoogleMapEntryTag()

Method Summary

Modifier and Type	Method	Description
int	doStartTag()	Executed before the Tag is rendered.
protected static String	generateIconMarker(GeoLocation loc, int paletteCode, int iconCode, String label)	Generates a call to googleIconMarker() to generate a Google Maps icon marker.
protected static String	generateMarker(GeoLocation loc, String color, String label)	Generates a call to googleMarker() to generate a Google Maps marker.
protected int	getAPIVersion()	Returns the Google Maps API version used on this page.

Methods inherited from class org.deltava.taglib.JSTag

release, setConst, setVar, writeVariableName

Methods inherited from class javax.servlet.jsp.tagext.TagSupport

doAfterBody, doEndTag, findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object

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

Field Details

API_JS_NAME

static final String API_JS_NAME

Internal name used to check for Google Maps API inclusion.

See Also:

• Constant Field Values

Constructor Details

GoogleMapEntryTag

GoogleMapEntryTag()

Method Details

doStartTag

public int doStartTag()
               throws JspException

Executed before the Tag is rendered. This will check for the presence of required JavaScript files in the request. Tags that do not require this check can override this method.

Specified by:

doStartTag in interface Tag

Overrides:

doStartTag in class TagSupport

Returns:

TagSupport.SKIP_BODY always

Throws:

IllegalStateException - if the Google Maps API or googleMaps.js not included in request

JspException

getAPIVersion

protected int getAPIVersion()

Returns the Google Maps API version used on this page.

Returns:

the API major version

generateMarker

protected static String generateMarker(GeoLocation loc,
 String color,
 String label)

Generates a call to googleMarker() to generate a Google Maps marker.

Parameters:

loc - the location

color - the icon color

label - the label HTML text, or null if none

Returns:

a JavaScript function call definition

generateIconMarker

protected static String generateIconMarker(GeoLocation loc,
 int paletteCode,
 int iconCode,
 String label)

Generates a call to googleIconMarker() to generate a Google Maps icon marker.

Parameters:

loc - the location

paletteCode - the Google Earth palette code

iconCode - the Google Earth icon code

label - the label HTML text, or null if none

Returns:

a JavaScript function call definition