Class LineTag

java.lang.Object
jakarta.servlet.jsp.tagext.TagSupport
org.deltava.taglib.JSTag
org.deltava.taglib.googlemap.GoogleMapEntryTag
org.deltava.taglib.googlemap.LineTag
All Implemented Interfaces:
jakarta.servlet.jsp.tagext.IterationTag, jakarta.servlet.jsp.tagext.JspTag, jakarta.servlet.jsp.tagext.Tag, Serializable
public class LineTag extends GoogleMapEntryTag
A JSP Tag to generate a Google Maps GPolyline created out of GMarkers.
Since:
1.0
Version:
8.2
Author:
Luke
See Also:

  • Field Summary

    Fields inherited from class GoogleMapEntryTag

    API_JS_NAME
    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 JSTag

    _jsVarName
    Modifier and Type
    Field
    Description
    protected String
    _jsVarName
    The name of the Javascript variable to create.

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

    id, pageContext

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

    EVAL_BODY_AGAIN

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

    EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

  • Constructor Summary

    Constructors
    Constructor
    Description
    LineTag()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    doEndTag()
    Renders the tag to the JSP output stream, generating a Google Maps Polyline.
    int
    doStartTag()
    Validates that the JavaScript source variable exists.
    void
    release()
    Releases the tag's state variables.
    void
    setColor(String color)
    Sets the line's color.
    void
    setGeodesic(boolean isGC)
    Renders the line as part of a Great Circle route.
    void
    setSrc(String varName)
    Sets the JavaScript variable name for the line source.
    void
    setTransparency(double trans)
    Sets the line's transparency.
    void
    setWidth(int width)
    Sets the line's width.

    Methods inherited from class GoogleMapEntryTag

    generateIconMarker, generateMarker, getAPIVersion
    Modifier and Type
    Method
    Description
    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 JSTag

    setConst, setVar, writeVariableName
    Modifier and Type
    Method
    Description
    final void
    setConst(boolean isConst)
    Marks the JavaScript variable as a constnt.
    final void
    setVar(String varName)
    Sets the JavaScript variable to create.
    protected void
    writeVariableName()
    Writes the variable name to the JSP output stream

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

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

    Methods inherited from class Object

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

  • Constructor Details

    • LineTag

      public LineTag()

  • Method Details

    • setSrc

      public void setSrc(String varName)
      Sets the JavaScript variable name for the line source.
      Parameters:
      varName - the variable name

    • setColor

      public void setColor(String color)
      Sets the line's color.
      Parameters:
      color - the color as an HTML #RRGGBB value

    • setWidth

      public void setWidth(int width)
      Sets the line's width.
      Parameters:
      width - the width in pixels

    • setTransparency

      public void setTransparency(double trans)
      Sets the line's transparency.
      Parameters:
      trans - the transparancy, as a percentage

    • setGeodesic

      public void setGeodesic(boolean isGC)
      Renders the line as part of a Great Circle route.
      Parameters:
      isGC - TRUE if geodesic, otherwise FALSE

    • release

      public void release()
      Releases the tag's state variables.
      Specified by:
      release in interface jakarta.servlet.jsp.tagext.Tag
      Overrides:
      release in class JSTag

    • doStartTag

      public int doStartTag() throws jakarta.servlet.jsp.JspException
      Validates that the JavaScript source variable exists.
      Specified by:
      doStartTag in interface jakarta.servlet.jsp.tagext.Tag
      Overrides:
      doStartTag in class GoogleMapEntryTag
      Returns:
      TagSupport.SKIP_BODY always
      Throws:
      IllegalStateException - if the JavaScript definitions are not in place
      jakarta.servlet.jsp.JspException
      See Also:

    • doEndTag

      public int doEndTag() throws jakarta.servlet.jsp.JspException
      Renders the tag to the JSP output stream, generating a Google Maps Polyline.
      Specified by:
      doEndTag in interface jakarta.servlet.jsp.tagext.Tag
      Overrides:
      doEndTag in class jakarta.servlet.jsp.tagext.TagSupport
      Returns:
      TagSupport.EVAL_PAGE always
      Throws:
      jakarta.servlet.jsp.JspException - if an error occurs