be-graphes/src/main/org/insa/graphics/AlgorithmPanel.java
2018-03-13 22:58:27 +01:00

436 lines
14 KiB
Java

package org.insa.graphics;
import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.util.ArrayList;
import java.util.List;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.border.EmptyBorder;
import org.insa.algo.AbstractAlgorithm;
import org.insa.algo.AbstractInputData;
import org.insa.algo.AbstractInputData.ArcFilter;
import org.insa.algo.AbstractInputData.Mode;
import org.insa.algo.AlgorithmFactory;
import org.insa.algo.ArcFilterFactory;
import org.insa.graph.Node;
import org.insa.graphics.NodesInputPanel.InputChangedEvent;
import org.insa.graphics.drawing.Drawing;
import org.insa.graphics.drawing.components.MapViewDrawing;
import org.insa.graphics.utils.ColorUtils;
public class AlgorithmPanel extends JPanel implements DrawingChangeListener {
/**
*
*/
private static final long serialVersionUID = 1L;
public class StartActionEvent extends ActionEvent {
/**
*
*/
private static final long serialVersionUID = 4090710269781229078L;
protected static final String START_EVENT_COMMAND = "allInputFilled";
protected static final int START_EVENT_ID = 0x1;
private final List<Node> nodes;
private final AbstractInputData.Mode mode;
private final Class<? extends AbstractAlgorithm<?>> algoClass;
private final AbstractInputData.ArcFilter arcFilter;
private final boolean graphicVisualization;
private final boolean textualVisualization;
public StartActionEvent(Class<? extends AbstractAlgorithm<?>> algoClass, List<Node> nodes,
Mode mode, ArcFilter arcFilter, boolean graphicVisualization,
boolean textualVisualization) {
super(AlgorithmPanel.this, START_EVENT_ID, START_EVENT_COMMAND);
this.nodes = nodes;
this.mode = mode;
this.algoClass = algoClass;
this.graphicVisualization = graphicVisualization;
this.textualVisualization = textualVisualization;
this.arcFilter = arcFilter;
}
/**
* @return Nodes associated with this event.
*/
public List<Node> getNodes() {
return this.nodes;
}
/**
* @return Mode associated with this event.
*/
public Mode getMode() {
return this.mode;
}
/**
* @return Arc filter associated with this event.
*/
public ArcFilter getArcFilter() {
return this.arcFilter;
}
/**
* @return Algorithm class associated with this event.
*/
public Class<? extends AbstractAlgorithm<?>> getAlgorithmClass() {
return this.algoClass;
}
/**
* @return true if graphic visualization is enabled.
*/
public boolean isGraphicVisualizationEnabled() {
return this.graphicVisualization;
}
/**
* @return true if textual visualization is enabled.
*/
public boolean isTextualVisualizationEnabled() {
return this.textualVisualization;
}
};
// Input panels for node.
protected NodesInputPanel nodesInputPanel;
// Solution
protected SolutionPanel solutionPanel;
// Component that can be enabled/disabled.
private ArrayList<JComponent> components = new ArrayList<>();
// Graphic / Text checkbox observer
private final JCheckBox graphicObserverCheckbox, textualObserverCheckbox;
// Drawing
private Drawing drawing = null;
private JButton startAlgoButton;
// Start listeners
List<ActionListener> startActionListeners = new ArrayList<>();
/**
* Create a new AlgorithmPanel with the given parameters.
*
* @param parent Parent component for this panel. Only use for centering
* dialogs.
* @param baseAlgorithm Base algorithm for this algorithm panel.
* @param title Title of the panel.
* @param nodeNames Names of the input nodes.
* @param enableModeSelection <code>true</code> to enable {@link Mode}
* selection.
* @param enableArcFilterSelection <code>true</code> to enable {@link ArcFilter}
* selection.
*
* @see ArcFilterFactory
*/
public AlgorithmPanel(Component parent, Class<? extends AbstractAlgorithm<?>> baseAlgorithm,
String title, String[] nodeNames, boolean enableModeSelection,
boolean enableArcFilterSelection) {
super();
setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
setBorder(new EmptyBorder(15, 15, 15, 15));
// Set title.
add(createTitleLabel(title));
add(Box.createVerticalStrut(8));
// Add algorithm selection
JComboBox<String> algoSelect = createAlgoritmSelectComboBox(baseAlgorithm);
if (algoSelect.getItemCount() > 1) {
add(algoSelect);
components.add(algoSelect);
}
// Add inputs for node.
this.nodesInputPanel = createNodesInputPanel(nodeNames);
add(this.nodesInputPanel);
components.add(this.nodesInputPanel);
JComboBox<ArcFilter> arcFilterSelect = new JComboBox<>(
ArcFilterFactory.getAllFilters().toArray(new ArcFilter[0]));
arcFilterSelect.setBackground(Color.WHITE);
// Add mode selection
JPanel modeAndObserverPanel = new JPanel();
modeAndObserverPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
modeAndObserverPanel.setLayout(new GridBagLayout());
JRadioButton lengthModeButton = new JRadioButton("Length");
lengthModeButton.setSelected(true);
JRadioButton timeModeButton = new JRadioButton("Time");
ButtonGroup group = new ButtonGroup();
group.add(lengthModeButton);
group.add(timeModeButton);
graphicObserverCheckbox = new JCheckBox("Graphic");
graphicObserverCheckbox.setSelected(true);
textualObserverCheckbox = new JCheckBox("Textual");
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.HORIZONTAL;
if (enableModeSelection) {
c.gridx = 0;
c.gridy = 0;
c.weightx = 0;
modeAndObserverPanel.add(new JLabel("Mode: "), c);
c.gridx = 1;
c.weightx = 1;
modeAndObserverPanel.add(lengthModeButton, c);
c.gridx = 2;
c.weightx = 1;
modeAndObserverPanel.add(timeModeButton, c);
}
c.gridy = 2;
c.gridx = 0;
c.weightx = 0;
modeAndObserverPanel.add(new JLabel("Visualization: "), c);
c.gridx = 1;
c.weightx = 1;
modeAndObserverPanel.add(graphicObserverCheckbox, c);
c.gridx = 2;
c.weightx = 1;
modeAndObserverPanel.add(textualObserverCheckbox, c);
if (enableArcFilterSelection) {
c.gridy = 1;
c.gridx = 0;
c.weightx = 0;
modeAndObserverPanel.add(new JLabel("Restrictions: "), c);
c.gridx = 1;
c.gridwidth = 2;
c.weightx = 1;
modeAndObserverPanel.add(arcFilterSelect, c);
}
components.add(timeModeButton);
components.add(lengthModeButton);
components.add(arcFilterSelect);
components.add(textualObserverCheckbox);
add(modeAndObserverPanel);
solutionPanel = new SolutionPanel(parent);
solutionPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
solutionPanel.setVisible(false);
add(Box.createVerticalStrut(10));
add(solutionPanel);
// Bottom panel
JPanel bottomPanel = new JPanel();
bottomPanel.setLayout(new BoxLayout(bottomPanel, BoxLayout.LINE_AXIS));
startAlgoButton = new JButton("Start");
startAlgoButton.setEnabled(false);
startAlgoButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
AbstractInputData.Mode mode = lengthModeButton.isSelected()
? AbstractInputData.Mode.LENGTH
: AbstractInputData.Mode.TIME;
for (ActionListener lis: startActionListeners) {
lis.actionPerformed(new StartActionEvent(
AlgorithmFactory.getAlgorithmClass(baseAlgorithm,
(String) algoSelect.getSelectedItem()),
nodesInputPanel.getNodeForInputs(), mode,
(AbstractInputData.ArcFilter) arcFilterSelect.getSelectedItem(),
graphicObserverCheckbox.isSelected(),
textualObserverCheckbox.isSelected()));
}
}
});
JButton hideButton = new JButton("Hide");
hideButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
nodesInputPanel.setEnabled(false);
setVisible(false);
}
});
bottomPanel.add(startAlgoButton);
bottomPanel.add(Box.createHorizontalGlue());
bottomPanel.add(hideButton);
components.add(hideButton);
bottomPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
add(Box.createVerticalStrut(8));
add(bottomPanel);
nodesInputPanel.addInputChangedListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
InputChangedEvent evt = (InputChangedEvent) e;
startAlgoButton.setEnabled(allNotNull(evt.getNodes()));
}
});
addComponentListener(new ComponentAdapter() {
@Override
public void componentShown(ComponentEvent e) {
setEnabled(true);
nodesInputPanel.setVisible(true);
}
@Override
public void componentHidden(ComponentEvent e) {
setEnabled(false);
nodesInputPanel.setVisible(false);
}
});
setEnabled(false);
}
/**
* Create the title JLabel for this panel.
*
* @param title Title for the label.
*
* @return A new JLabel containing the given title with proper font.
*/
protected JLabel createTitleLabel(String title) {
JLabel titleLabel = new JLabel(title);
titleLabel.setBackground(Color.RED);
titleLabel.setHorizontalAlignment(JLabel.LEFT);
titleLabel.setAlignmentX(Component.LEFT_ALIGNMENT);
Font font = titleLabel.getFont();
font = font.deriveFont(Font.BOLD, 18);
titleLabel.setFont(font);
return titleLabel;
}
/**
* Create the combo box for the algorithm selection.
*
* @param baseAlgorithm Base algorithm for which the select box should be
* created.
*
* @return A new JComboBox containing algorithms for the given base algorithm.
*
* @see AlgorithmFactory
*/
protected JComboBox<String> createAlgoritmSelectComboBox(
Class<? extends AbstractAlgorithm<?>> baseAlgorithm) {
JComboBox<String> algoSelect = new JComboBox<>(
AlgorithmFactory.getAlgorithmNames(baseAlgorithm).toArray(new String[0]));
algoSelect.setBackground(Color.WHITE);
algoSelect.setAlignmentX(Component.LEFT_ALIGNMENT);
return algoSelect;
}
/**
* Create a node input panel with the given node input names.
*
* @param nodeNames Field names for the inputs to create.
*
* @return A new NodesInputPanel containing inputs for the given names.
*/
protected NodesInputPanel createNodesInputPanel(String[] nodeNames) {
NodesInputPanel panel = new NodesInputPanel();
panel.setAlignmentX(Component.LEFT_ALIGNMENT);
for (int i = 0; i < nodeNames.length; ++i) {
panel.addTextField(nodeNames[i] + ": ", ColorUtils.getColor(i));
}
panel.setEnabled(false);
return panel;
}
/**
* Check if the given list of nodes does not contain any <code>null</code>
* value.
*
* @param nodes List of {@link Node} to check.
*
* @return <code>true</code> if the list does not contain any <code>null</code>
* value, <code>false</code> otherwise.
*/
protected boolean allNotNull(List<Node> nodes) {
boolean allNotNull = true;
for (Node node: nodes) {
allNotNull = allNotNull && node != null;
}
return allNotNull;
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
nodesInputPanel.setEnabled(enabled);
solutionPanel.setEnabled(enabled);
for (JComponent component: components) {
component.setEnabled(enabled);
}
graphicObserverCheckbox.setEnabled(enabled && !(drawing instanceof MapViewDrawing));
enabled = enabled && allNotNull(this.nodesInputPanel.getNodeForInputs());
startAlgoButton.setEnabled(enabled);
}
/**
* Add a new start action listener to this class.
*
* @param listener Listener to add.
*/
public void addStartActionListener(ActionListener listener) {
this.startActionListeners.add(listener);
}
@Override
public void onDrawingLoaded(Drawing oldDrawing, Drawing newDrawing) {
if (newDrawing instanceof MapViewDrawing) {
graphicObserverCheckbox.setSelected(false);
graphicObserverCheckbox.setEnabled(false);
}
else {
graphicObserverCheckbox.setSelected(true);
graphicObserverCheckbox.setEnabled(true);
}
this.drawing = newDrawing;
}
@Override
public void onRedrawRequest() {
}
}