us.ihmc.simulationconstructionset.gui.YoEnumEntryContainer Maven / Gradle / Ivy
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Simulation Construction Set
package us.ihmc.simulationconstructionset.gui;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import javax.swing.BoxLayout;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.SwingConstants;
import us.ihmc.yoVariables.variable.YoEnum;
import us.ihmc.yoVariables.variable.YoVariable;
public class YoEnumEntryContainer implements YoVariableEntryContainer, ActionListener
{
private static final int ENTRY_BOX_HEIGHT = YoEntryBox.COMPONENT_HEIGHT;
private static final int HORIZONTAL_LABEL_BORDER = 6;
private static final int MAX_TOTAL_LENGTH = YoEntryBox.MAX_COMPONENT_LENGTH;
private static final int HORIZONTAL_ENTRYBOX_SLOP = 6;
private static final int COMBO_BOX_MIN_LENGTH = 28;
private YoEnum variableInThisBox;
// private LinkedHashMap enumToNameMap;
// private LinkedHashMap indexToEnumMap;
// private LinkedHashMap enumToIndexMap;
private YoEntryBox yoEntryBox;
private JLabel label;
private JComboBox comboBox;
private boolean updating = false;
protected YoEnumEntryContainer(String[] enumValues)
{
}
@Override
public YoVariable getVariable()
{
return variableInThisBox;
}
@Override
public synchronized void update(YoEntryBox yoEntryBox)
{
if (!comboBox.hasFocus())
{
if (variableInThisBox != null)
{
if (comboBox.getSelectedIndex() != getIndexOf(variableInThisBox.getOrdinal()))
{
updating = true;
comboBox.setSelectedIndex(getIndexOf(variableInThisBox.getOrdinal()));
updating = false;
}
}
}
}
@Override
public void actionPerformed(YoEntryBox yoEntryBox, ActionEvent evt)
{
// System.out.println("YoEnumEntryContainer: someone gave me an actionPerformed!");
}
@Override
public void removeVariable(YoVariable variable)
{
if (getVariable() == variable)
variableInThisBox = null;
label.setText(YoEntryBox.DEFAULT_UNBOUND_ENTRY_BOX_LABEL);
label.setName(""); //YoEntryBox.DEFAULT_UNBOUND_ENTRY_BOX_LABEL);
}
@Override
public void setup(YoEntryBox yoEntryBox)
{
this.yoEntryBox = yoEntryBox;
label = new JLabel(YoEntryBox.DEFAULT_UNBOUND_ENTRY_BOX_LABEL);
// label.setName(YoEntryBox.DEFAULT_UNBOUND_ENTRY_BOX_LABEL);
label.setHorizontalAlignment(SwingConstants.RIGHT);
comboBox = new JComboBox<>(new String[] {YoEntryBox.DEFAULT_UNBOUND_ENTRY_BOX_LABEL});
this.yoEntryBox = yoEntryBox;
BoxLayout mgr = new BoxLayout(yoEntryBox, BoxLayout.X_AXIS);
yoEntryBox.setLayout(mgr);
yoEntryBox.add(label);
yoEntryBox.add(comboBox);
}
@Override
public void shutdown(YoEntryBox yoEntryBox)
{
variableInThisBox = null;
yoEntryBox.remove(label);
yoEntryBox.remove(comboBox);
label = null;
comboBox = null;
}
@Override
public void bindToVariable(YoEntryBox yoEntryBox, YoVariable variable)
{
if (variable instanceof YoEnum)
{
YoEnum yoEnum = (YoEnum) variable;
// if (yoEnum.getEnumType() == enumType)
// {
variableInThisBox = yoEnum;
label.setText(variableInThisBox.getName());
labelTextLength = label.getFontMetrics(label.getFont()).stringWidth(label.getText());
setupComboBox();
// }
// else
// {
// throw new RuntimeException("Variable " + variable.getName() + " does not have correct enum type");
// }
}
else
{
throw new RuntimeException("Cannot bind a YoEnumEntryContainer to a varible which is not an YoEnum!");
}
}
private void setupComboBox()
{
comboBox.setVisible(false);
ArrayList stringCollection = new ArrayList<>();
stringCollection.addAll(Arrays.asList(variableInThisBox.getEnumValuesAsString()));
if (variableInThisBox.isNullAllowed())
{
stringCollection.add("null");
}
calculateStringFoldingParameters(stringCollection);
String[] stringsArray = new String[stringCollection.size()];
stringCollection.toArray(stringsArray);
comboBox = new JComboBox<>(stringsArray);
comboBox.setSelectedIndex(getIndexOf(variableInThisBox.getOrdinal()));
yoEntryBox.add(comboBox);
comboBox.addActionListener(this);
//comboBox.setFocusable(false);
doLayout();
}
private void doLayout()
{
int desiredLabelLength = labelTextLength + HORIZONTAL_LABEL_BORDER;
Dimension labelDimension = new Dimension(desiredLabelLength, ENTRY_BOX_HEIGHT);
label.setPreferredSize(labelDimension);
int remainingSpace = MAX_TOTAL_LENGTH - desiredLabelLength;
int desiredComboBoxLength = pixelLengthOfLongestComboBoxEntry + COMBO_BOX_MIN_LENGTH;
if (remainingSpace < desiredComboBoxLength)
desiredComboBoxLength = remainingSpace;
Dimension comboBoxDimension = new Dimension(desiredComboBoxLength, ENTRY_BOX_HEIGHT);
comboBox.setPreferredSize(comboBoxDimension);
yoEntryBox.setPreferredSize(new Dimension(desiredLabelLength + desiredComboBoxLength + HORIZONTAL_ENTRYBOX_SLOP, ENTRY_BOX_HEIGHT));
}
private int calculateStringLengthInComboBox(String string)
{
return comboBox.getFontMetrics(comboBox.getFont()).stringWidth(string);
}
@Override
public boolean isEventSource(YoEntryBox yoEntryBox, FocusEvent evt)
{
return evt.getSource().equals(comboBox);
}
@Override
public void focusLost(YoEntryBox yoEntryBox)
{
}
@Override
public void focusGained(YoEntryBox yoEntryBox)
{
}
@Override
public void actionPerformed(ActionEvent e)
{
if (!updating)
{
int selectedIndex = comboBox.getSelectedIndex();
int ordinal = getOrdinalOf(selectedIndex);
variableInThisBox.set(ordinal, true);
YoEntryBox.informVariableChangedListeners(getVariable());
}
// System.out.println("YoEnumEntryContainer: actionPerformed ActionEvent e has source: "+e.getSource());
// System.out.println("YoEnumEntryContainer: Hey, I haz an actionPerformed!");
// modifier = 16 means mouse click generated action. Other than that is key based. enter key does not generate an action, when it really should.
}
// private void setUpMaps(Class enumType)
// {
// E[] enumConstants = enumType.getEnumConstants();
// enumToNameMap = new LinkedHashMap();
// indexToEnumMap = new LinkedHashMap();
// enumToIndexMap = new LinkedHashMap();
// int i = 0;
// for (E enumConstant : enumConstants)
// {
// enumToNameMap.put(enumConstant, enumConstant.toString());
// indexToEnumMap.put(i, enumConstant);
// enumToIndexMap.put(enumConstant, i);
// i++;
// }
// if (this.variableInThisBox.getAllowNullValue())
// {
// enumToNameMap.put(null, "null");
// indexToEnumMap.put(i, null);
// enumToIndexMap.put(null, i);
// }
// }
private int pixelLengthOfLongestComboBoxEntry = 10;
public static final int STRING_LENGTH_CAP = 10;
public static final int STRING_LENGTH_LOWER_BOUND = 5;
public static final int STRING_TRUNCATION_FUNCTION_START_LENGTH = 10;
private int labelTextLength;
public void calculateStringFoldingParameters(Collection strings)
{
int maxSize = 0;
for (String string : strings)
{
int stringLength = calculateStringLengthInComboBox(string);
if (stringLength > maxSize)
maxSize = stringLength;
}
pixelLengthOfLongestComboBoxEntry = maxSize;
}
private int getOrdinalOf(int index)
{
if (variableInThisBox.isNullAllowed())
{
if (index == variableInThisBox.getEnumSize())
{
return -1;
}
}
return index;
}
private int getIndexOf(int ordinal)
{
if (variableInThisBox.isNullAllowed())
{
if (ordinal == YoEnum.NULL_VALUE)
{
return variableInThisBox.getEnumSize();
}
}
return ordinal;
}
}