com.inet.report.chart.dataset
Class GanttOneGroupDataset

java.lang.Object
  com.inet.report.chart.dataset.AbstractDataset
      com.inet.report.chart.dataset.GanttForEachRecordDataset
          com.inet.report.chart.dataset.GanttOneGroupDataset

All Implemented Interfaces:

BaseDataset, GanttDataset, java.io.Serializable

Direct Known Subclasses:

GanttTwoGroupsDataset

public class GanttOneGroupDataset
extends GanttForEachRecordDataset

This is a dataset used by Gantt charts. This evaluates data sorted by one group for three data fields (start, end and progress).

Since:

8.0

See Also:

Serialized Form

Field Summary

Fields inherited from class com.inet.report.chart.dataset.GanttForEachRecordDataset

FIELDS_COUNT

Fields inherited from interface com.inet.report.chart.dataset.BaseDataset

TOKEN_DATASET

Constructor Summary

GanttOneGroupDataset(Chart2 chart)
Creates a new empty dataset.

Method Summary

Group	getCategoryGroup() Returns the category group.
protected java.lang.String	getName() FOR INTERNAL USE ONLY Returns the XML attribute name for this dataset.
java.util.List	getReferencedObject() FOR INTERNAL USE ONLY
void	removeCategoryGroup() Removes the category group.
protected void	resetSummaryFields(Group group, boolean isCategoryGroup) Resets the group properties of summary fields.
protected void	saveGroups(java.io.PrintWriter out, int depth) Writes the groups properties to output.
void	setCategoryGroup(Field field) Creates a category group on this field.
java.lang.String	verify(ChartStyle style) Verifies the group and sum properties of current dataset.

Methods inherited from class com.inet.report.chart.dataset.GanttForEachRecordDataset

getChart, getDataField, getDataField, getDataFields, getEndField, getLabelProvider, getProgressField, getStartField, setEndField, setProgressField, setStartField

Constructor Detail

GanttOneGroupDataset

public GanttOneGroupDataset(Chart2 chart)

Creates a new empty dataset.

Parameters:

chart - the chart (null not permitted)

Since:

8.0

Method Detail

getCategoryGroup

public Group getCategoryGroup()

Returns the category group. The category group is the first group of chart.

Overrides:

getCategoryGroup in class GanttForEachRecordDataset

Returns:

the group or null if this group was not initialized.

Since:

8.0

See Also:

setCategoryGroup(Field), removeCategoryGroup()

setCategoryGroup

public void setCategoryGroup(Field field)

Creates a category group on this field. This group is for sorting and consolidating records with same values on the group axis, i.e. the x axis by PlotOrientation.VERTICAL. To change the sort order of data in this group get this with getCategoryGroup() and use the Group properties. SummaryField, SpecialField and GroupField are unsupported field types.

Parameters:

field - the group field (null not permitted)

Throws:

java.lang.IllegalArgumentException - if field is null or from unsupported field type.

Since:

8.0

See Also:

Group, getCategoryGroup(), removeCategoryGroup()

removeCategoryGroup

public void removeCategoryGroup()

Removes the category group. Note: this dataset is incomplete without a category group and cannot be used by the chart.

Since:

8.0

See Also:

setCategoryGroup(Field), getCategoryGroup()

resetSummaryFields

protected void resetSummaryFields(Group group,
                                  boolean isCategoryGroup)

Resets the group properties of summary fields.

Parameters:

group - the group

isCategoryGroup - this is a category or series group

Since:

8.0

verify

public java.lang.String verify(ChartStyle style)

Verifies the group and sum properties of current dataset.

Specified by:

verify in interface BaseDataset

Overrides:

verify in class GanttForEachRecordDataset

Parameters:

style - the chart style

Returns:

the error message or empty string if all properties are correct.

getReferencedObject

public java.util.List getReferencedObject()

FOR INTERNAL USE ONLY

Overrides:

getReferencedObject in class com.inet.report.chart.dataset.AbstractDataset

Returns:

FOR INTERNAL USE ONLY

saveGroups

protected void saveGroups(java.io.PrintWriter out,
                          int depth)

Writes the groups properties to output. Overwrites this to save intern properties direct to PrintWriter without building a StringBuffer.

Overrides:

saveGroups in class com.inet.report.chart.dataset.AbstractDataset

Parameters:

out - the output

depth - the depth of XML indent

getName

protected java.lang.String getName()

FOR INTERNAL USE ONLY Returns the XML attribute name for this dataset.

Overrides:

getName in class GanttForEachRecordDataset

Returns:

the name.