Java Doc for Group.java in  » Report » datavision-1.1.0 » jimm » datavision » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Report » datavision 1.1.0 » jimm.datavision   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    jimm.datavision.Group Group public class Group implements Writeable(Code) A group uses a Selectable object to define record grouping. A group may contain multiple header and footer sections. author:    Jim Menard, jimm@io.com Field Summary final public static  int SORT_ASCENDING      Sort records by the group's selectable in ascending order (the default). final public static  int SORT_DESCENDING      Sort records by the group's selectable in descending order. protected  boolean firstValue      protected  SectionArea footers      protected  SectionArea headers      protected  boolean newValue      protected  int recordCount      protected  Report report      protected  Selectable selectable      protected  int sortOrder      protected  Object value      Constructor Summary public   Group(Report report, Selectable selectable)      Constructor. Method Summary public  boolean contains(Section s)      Returns true if the specified section is inside this group, either as a header or a footer. public static  Group create(Report report, Selectable selectable)      Creates a new group and gives it a header section containing a selectable field and an empty footer section. public  SectionArea footers()      Returns the footers. public  void forceFooterOutput()      Layout engines need to call this method when a group's footer is being output not because this group has a new value but because some previous group's value changed and we want to output this group's footer. public  int getRecordCount()      Returns the number of records in the group so far. public  Selectable getSelectable()      Returns the selectable used by this group. public  String getSelectableName()      public  int getSortOrder()      Returns the sort order (either SORT_ASCENDING or SORT_DESCENDING). public  Object getValue()      Returns the value of this group's selectable. public  SectionArea headers()      Returns the headers. public  boolean isFirstValue()      Returns true when this is the first value ever seen by the group during a report run. public  boolean isNewValue()      Returns true when the value of the selectable has changed. public  void reloadSelectable(DataSource dataSource)      Reloads reference to selectable. public  void reset()      Called by a report when it starts running, this method prepares the group for use. public  void setSelectable(Selectable newSelectable)      Sets the selectable used by this group. public  void setSortOrder(int newSortOrder)      Sets the sort order. public  void setValue(Report report)      Sets the group value that is returned by getValue. public static  String sortOrderIntToString(int order)      public static  int sortOrderStringToInt(String order)      public  void updateCounter()      public  void writeXML(XMLWriter out)      Writes this group as an XML tag. Field Detail SORT_ASCENDING final public static int SORT_ASCENDING(Code) Sort records by the group's selectable in ascending order (the default). SORT_DESCENDING final public static int SORT_DESCENDING(Code) Sort records by the group's selectable in descending order. firstValue protected boolean firstValue(Code) footers protected SectionArea footers(Code) headers protected SectionArea headers(Code) newValue protected boolean newValue(Code) recordCount protected int recordCount(Code) report protected Report report(Code) selectable protected Selectable selectable(Code) sortOrder protected int sortOrder(Code) value protected Object value(Code) Constructor Detail Group public Group(Report report, Selectable selectable)(Code) Constructor. Parameters:   report - a report Parameters:   selectable - a selectable thingie Method Detail contains public boolean contains(Section s)(Code) Returns true if the specified section is inside this group, either as a header or a footer. Parameters:   s - a section true if the section is within this group create public static Group create(Report report, Selectable selectable)(Code) Creates a new group and gives it a header section containing a selectable field and an empty footer section. Parameters:   report - a report Parameters:   selectable - a selectable object a new group with a header section containing a column field andan empty footer section footers public SectionArea footers()(Code) Returns the footers. the footers section area forceFooterOutput public void forceFooterOutput()(Code) Layout engines need to call this method when a group's footer is being output not because this group has a new value but because some previous group's value changed and we want to output this group's footer. See Also:   jimm.datavision.layout.LayoutEngine.groupFooters getRecordCount public int getRecordCount()(Code) Returns the number of records in the group so far. the number of records in the group so far getSelectable public Selectable getSelectable()(Code) Returns the selectable used by this group. a selectable getSelectableName public String getSelectableName()(Code) getSortOrder public int getSortOrder()(Code) Returns the sort order (either SORT_ASCENDING or SORT_DESCENDING). either SORT_ASCENDING or SORT_DESCENDING getValue public Object getValue()(Code) Returns the value of this group's selectable. Only valid while the report is running. the value of the selectable; undefined when the reportis not running headers public SectionArea headers()(Code) Returns the headers. the headers section area isFirstValue public boolean isFirstValue()(Code) Returns true when this is the first value ever seen by the group during a report run. true if this is the first value ever seen isNewValue public boolean isNewValue()(Code) Returns true when the value of the selectable has changed. true when the value of the selectable haschanged reloadSelectable public void reloadSelectable(DataSource dataSource)(Code) Reloads reference to selectable. reset public void reset()(Code) Called by a report when it starts running, this method prepares the group for use. setSelectable public void setSelectable(Selectable newSelectable)(Code) Sets the selectable used by this group. Parameters:   newSelectable - the new selectable setSortOrder public void setSortOrder(int newSortOrder)(Code) Sets the sort order. Parameters:   newSortOrder - either SORT_ASCENDING orSORT_DESCENDING setValue public void setValue(Report report)(Code) Sets the group value that is returned by getValue. This method should only be called by the report while it is running. Parameters:   report - the report from which we retrieve our selectable's value sortOrderIntToString public static String sortOrderIntToString(int order)(Code) sortOrderStringToInt public static int sortOrderStringToInt(String order)(Code) updateCounter public void updateCounter()(Code) writeXML public void writeXML(XMLWriter out)(Code) Writes this group as an XML tag. Asks each section to write itself as well. Parameters:   out - a writer that knows how to write XML Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)