xdev.ui.ganttchart.utils.XdevGanttUtils Maven / Gradle / Ivy
package xdev.ui.ganttchart.utils;
/*-
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* XDEV BI Suite
* %%
* Copyright (C) 2011 - 2021 XDEV Software
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
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*/
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Iterator;
import java.util.List;
import com.jidesoft.gantt.GanttChart;
import com.jidesoft.gantt.GanttEntry;
import com.jidesoft.gantt.GanttModel;
import com.jidesoft.range.TimeRange;
import com.jidesoft.scale.DatePeriod;
import com.jidesoft.scale.DatePeriodConverter;
import com.jidesoft.scale.ScaleArea;
import xdev.ui.ganttchart.UpdateableGanttEntry;
import xdev.ui.ganttchart.XdevGanttEntry;
import xdev.ui.ganttchart.template.GanttTemplate;
/**
* Provides utility methods to initialize {@link GanttTemplate} scale type
* specific parts.
*
*
* The GanttCharts {@link ScaleArea} should be initialized with
* {@link XdevGanttUtils#initializeDateScaleArea(GanttChart)} to set up default
* UI-layout and localization preferences.
*
*
* @author XDEV Software jwill
* @since 4.0
*/
public class XdevGanttUtils
{
/**
* If a {@link GanttTemplate} gets configured manually, this scale area
* initialization has to be invoked.
*
*
* The initialization includes default period initialization and default
* localization.
*
*
* @param chart
* the {@link GanttChart} to modify the scale area from.
*/
public static void initializeDateScaleArea(final GanttChart> chart)
{
final ScaleArea localScaleArea = chart.getScaleArea();
localScaleArea.setDefaultPeriodConverter(DatePeriodConverter
.createDefaultPeriodConverter(localScaleArea));
final Iterator localObject = DatePeriod.getDefaultDatePeriods().iterator();
while(localObject.hasNext())
{
final DatePeriod localDatePeriod = localObject.next();
localScaleArea.setPeriodConverter(localDatePeriod,
DatePeriodConverter.createPeriodConverter(localScaleArea,localDatePeriod));
}
}
/**
* Returns the first {@link GanttEntry} start value.
*
* @param chart
* the ganttchart to operate with.
* @return the start value of the first found {@link GanttEntry}.
*/
public static > T getFirstEntryStart(
final GanttChart> chart)
{
if(chart.getEntryCount() > 0)
{
T lowest = chart.getEntryAt(0).getRange().lower();
for(int i = 1; i < chart.getEntryCount(); i++)
{
if(chart.getEntryAt(i).getRange().lower().compareTo(lowest) == -1)
{
lowest = chart.getEntryAt(i).getRange().lower();
}
}
return lowest;
}
throw new NullPointerException(
"No research could be initiated due to the missing gantt entries");
}
/**
* Suited for Default DateScaleModel
* (d/DatePeriod.Day_OF_MONTH/-/DatePeriod.MONTH/mm-/DatePeriod.Year/yyyy)
*
* @return a list of sample entries.
*/
public static List> createSampleGanttEntries()
{
final DateFormat formatter = new SimpleDateFormat("d-M-yyyy");
final List> entryList = new ArrayList<>();
// ######################### SAMPLE DATES #############################
final Calendar entryC1 = new GregorianCalendar(Calendar.getInstance().get(Calendar.YEAR),Calendar
.getInstance().get(Calendar.MONTH),Calendar.getInstance()
.get(Calendar.DAY_OF_MONTH));
entryC1.add(Calendar.MONTH,1);
final Calendar entryC2 = new GregorianCalendar(Calendar.getInstance().get(Calendar.YEAR),Calendar
.getInstance().get(Calendar.MONTH),Calendar.getInstance()
.get(Calendar.DAY_OF_MONTH));
entryC2.add(Calendar.MONTH,1);
entryC2.add(Calendar.DAY_OF_MONTH,10);
final Calendar entry2C2 = new GregorianCalendar(Calendar.getInstance().get(Calendar.YEAR),
Calendar.getInstance().get(Calendar.MONTH),Calendar.getInstance().get(
Calendar.DAY_OF_MONTH));
entry2C2.add(Calendar.MONTH,1);
entry2C2.add(Calendar.DAY_OF_MONTH,5);
final Calendar entry3C1 = new GregorianCalendar(Calendar.getInstance().get(Calendar.YEAR),
Calendar.getInstance().get(Calendar.MONTH),Calendar.getInstance().get(
Calendar.DAY_OF_MONTH));
entry3C1.add(Calendar.MONTH,1);
entry3C1.add(Calendar.DAY_OF_MONTH,13);
final Calendar entry3C2 = new GregorianCalendar(Calendar.getInstance().get(Calendar.YEAR),
Calendar.getInstance().get(Calendar.MONTH),Calendar.getInstance().get(
Calendar.DAY_OF_MONTH));
entry3C2.add(Calendar.MONTH,1);
entry3C2.add(Calendar.DAY_OF_MONTH,25);
// ################### SAMPLE ENTRIES ##########################
final UpdateableGanttEntry entry = new XdevGanttEntry<>("Entry",Date.class,
new TimeRange(getDate(entryC1,formatter),getDate(entryC2,formatter)),0.3);
entryList.add(entry);
final UpdateableGanttEntry entry2 = new XdevGanttEntry<>("Entry2",Date.class,
new TimeRange(getDate(entryC1,formatter),getDate(entry2C2,formatter)),0.5);
entryList.add(entry2);
final UpdateableGanttEntry entry3 = new XdevGanttEntry<>("Entry2",Date.class,
new TimeRange(getDate(entry3C1,formatter),getDate(entry3C2,formatter)),0.0);
entryList.add(entry3);
return entryList;
}
private static Date getDate(final Calendar date, final DateFormat format)
{
final String dateString = date.get(Calendar.DAY_OF_MONTH) + "-" + date.get(Calendar.MONTH) + "-"
+ date.get(Calendar.YEAR);
try
{
return format.parse(dateString);
}
catch(final ParseException e)
{
e.printStackTrace();
}
return null;
}
public static , ET extends GanttEntry> List getEntries(
final GanttModel model)
{
final List entryList = new ArrayList<>();
for(int i = 0; i < model.getEntryCount(); i++)
{
entryList.add(model.getEntryAt(i));
}
return entryList;
}
public static > Date getMaxDate(final List entries)
{
final List entryDateList = new ArrayList<>();
for(final GanttEntry ganttEntry : entries)
{
entryDateList.add(ganttEntry.getRange().upper());
}
return Collections.max(entryDateList);
}
public static > ET getMaxDateEntry(final List entries)
{
final List entryDateList = new ArrayList<>();
for(final GanttEntry ganttEntry : entries)
{
entryDateList.add(ganttEntry.getRange().upper());
}
final Date maxDate = Collections.max(entryDateList);
for(final ET entry : entries)
{
if(entry.getRange().upper().equals(maxDate))
{
return entry;
}
}
return null;
}
public static > Date getMinDate(final List entries)
{
final List entryDateList = new ArrayList<>();
for(final GanttEntry ganttEntry : entries)
{
entryDateList.add(ganttEntry.getRange().lower());
}
return Collections.min(entryDateList);
}
public static > ET getMinDateEntry(final List entries)
{
final List entryDateList = new ArrayList<>();
for(final GanttEntry ganttEntry : entries)
{
entryDateList.add(ganttEntry.getRange().lower());
}
final Date minDate = Collections.min(entryDateList);
for(final ET entry : entries)
{
if(entry.getRange().lower().equals(minDate))
{
return entry;
}
}
return null;
}
// Have to cast here because of jide typing. The childs
// should be always the same type.
@SuppressWarnings("unchecked")
public static , ET extends GanttEntry> List getChildEntries(
final ET entry)
{
final List childs = new ArrayList<>();
for(int i = 0; i < entry.getChildrenCount(); i++)
{
childs.add((ET)entry.getChildAt(i));
}
return childs;
}
}
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