在Java的JTable列中显示BarChar [英] Show BarChar In JTable Column In Java
本文介绍了在Java的JTable列中显示BarChar的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我有JTable，因为我需要显示Chart，但是我已经厌倦了几个Code，但是无法实现我想要的功能.这是我到目前为止所做的尝试
I have JTable in that I need to Show Chart but i have tired several Code but not able to achieve waht i wanted to make. here what i have tried so far
http://www.jroller.com/Thierry/entry/swing_barchart_rendering_in_a
我想根据这张图片实现
但是我怎么都没有得到同样的渲染器. 请任何建议将受到欢迎.
but how ever i dont get any Render-er for same. Please Any suggestion will be welcomed.
推荐答案
好的，这是个主意...
Okay, here's an idea...
您可以创建一个布局管理器，而不是使用JTable，该管理器将计算偏移量并允许元素重叠列"
Instead of using a JTable, you could create a layout manager which would calculate the offsets and allow for elements to overlap "columns"
原型示例-!!请勿在生产中使用！！
这仅是一个示例，应该用于学习，不要在生产中尝试使用它，还有很多地方需要改进，例如适当的事件通知API
This is an EXAMPLE only and should be used to LEARN from, do not try using this in production, there is a lot that needs to improved, such as a proper event notification API
此示例利用了JIDE公共层API(特别是JideScrollPane)，您可以从
This example makes use of the JIDE Common Layer API (the JideScrollPane in particular), you can get a copy from here
import com.jidesoft.swing.JideScrollPane;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.LayoutManager2;
import java.awt.LinearGradientPaint;
import java.awt.Point;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JViewport;
import javax.swing.ScrollPaneConstants;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
import javax.swing.border.MatteBorder;
public class WorkSheetReport {
public static final Color WORKING_HOURS_COLOR = new Color(93, 89, 88);
public static final Color LUNCH_HOURS_COLOR = new Color(215, 142, 27);
public static final Color OTHER_HOURS_COLOR = new Color(30, 141, 213);
public static void main(String[] args) {
new WorkSheetReport();
}
public WorkSheetReport() {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
ex.printStackTrace();
}
DefaultTimeSheetReport report = new DefaultTimeSheetReport();
report.add(createTimeSheet(
"NWD/Full"));
report.add(createTimeSheet(
"Present",
new DefaultTimeEntry(WorkType.WORK, 10, 12.5),
new DefaultTimeEntry(WorkType.LUNCH, 12.5, 13.25),
new DefaultTimeEntry(WorkType.WORK, 13.25, 18),
new DefaultTimeEntry(WorkType.OTHER, 18, 18.5),
new DefaultTimeEntry(WorkType.WORK, 18.5, 20.5)));
report.add(createTimeSheet(
"0.5UUPL",
new DefaultTimeEntry(WorkType.WORK, 10, 12.5),
new DefaultTimeEntry(WorkType.LUNCH, 12.5, 17.75),
new DefaultTimeEntry(WorkType.OTHER, 17.75, 18),
new DefaultTimeEntry(WorkType.WORK, 18, 20)));
report.add(createTimeSheet(
"Present",
new DefaultTimeEntry(WorkType.WORK, 11, 13),
new DefaultTimeEntry(WorkType.LUNCH, 13, 13.5),
new DefaultTimeEntry(WorkType.WORK, 13.5, 17.75),
new DefaultTimeEntry(WorkType.OTHER, 17.75, 18),
new DefaultTimeEntry(WorkType.WORK, 18, 20.5)));
report.add(createTimeSheet(
"Present",
new DefaultTimeEntry(WorkType.WORK, 10, 12.75),
new DefaultTimeEntry(WorkType.LUNCH, 12.75, 13.5),
new DefaultTimeEntry(WorkType.WORK, 13.5, 17.5),
new DefaultTimeEntry(WorkType.OTHER, 17.5, 17.75),
new DefaultTimeEntry(WorkType.WORK, 17.75, 20.5)));
report.add(createTimeSheet(
"Present",
new DefaultTimeEntry(WorkType.WORK, 9.75, 12),
new DefaultTimeEntry(WorkType.LUNCH, 12, 12.5),
new DefaultTimeEntry(WorkType.WORK, 12.5, 17.25),
new DefaultTimeEntry(WorkType.OTHER, 17.25, 17.75),
new DefaultTimeEntry(WorkType.WORK, 17.75, 20)));
report.add(createTimeSheet(
"Present",
new DefaultTimeEntry(WorkType.WORK, 10, 11.75),
new DefaultTimeEntry(WorkType.LUNCH, 11.75, 12.25),
new DefaultTimeEntry(WorkType.WORK, 12.25, 17.5),
new DefaultTimeEntry(WorkType.OTHER, 17.5, 18),
new DefaultTimeEntry(WorkType.WORK, 18, 20.25)));
report.add(createTimeSheet(
"NWD/Full"));
report.add(createTimeSheet(
"Present",
new DefaultTimeEntry(WorkType.WORK, 10, 12.5),
new DefaultTimeEntry(WorkType.LUNCH, 12.5, 13.5),
new DefaultTimeEntry(WorkType.WORK, 13.5, 18),
new DefaultTimeEntry(WorkType.OTHER, 18, 18.5),
new DefaultTimeEntry(WorkType.WORK, 18.5, 20.5)));
TimeSheetReportPane pane = new TimeSheetReportPane(report);
JFrame frame = new JFrame("Testing");
frame.getContentPane().setBackground(Color.BLACK);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JideScrollPane sp = new JideScrollPane(pane);
sp.setColumnHeadersHeightUnified(true);
frame.add(sp);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
protected TimeSheet createTimeSheet(String name, TimeEntry... entries) {
DefaultTimeSheet ts = new DefaultTimeSheet(name);
for (TimeEntry entry : entries) {
ts.add(entry);
}
return ts;
}
protected static String format(double time) {
time *= 60 * 60; // to seconds
int hours = (int) Math.floor(time / (60 * 60));
double remainder = time % (60 * 60);
int mins = (int) Math.floor(remainder / 60);
int secs = (int) Math.floor(time % 60);
return hours + ":" + mins + ":" + secs;
}
public class TimeSheetReportPane extends JPanel {
private TimeSheetReport report;
private int columnWidth;
private int rowHeight;
public TimeSheetReportPane(TimeSheetReport report) {
this.report = report;
setLayout(new GridBagLayout());
setBackground(Color.BLACK);
FontMetrics fm = getFontMetrics(UIManager.getFont("Label.font"));
columnWidth = fm.stringWidth("0000");
rowHeight = fm.getHeight() + 8;
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.weightx = 1;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.insets = new Insets(0, 0, 1, 0);
int count = 0;
for (TimeSheet ts : report) {
Color color = getColorForSheet(count);
TimeSheetPane pane = new TimeSheetPane(this, ts);
pane.setBackground(color);
add(pane, gbc);
count++;
}
gbc.weighty = 1;
JPanel fill = new JPanel();
fill.setOpaque(false);
add(fill, gbc);
}
public Color getColorForSheet(int index) {
Color endColor = Color.GRAY;
Color startColor = Color.DARK_GRAY;
double progress = (double) index / (double) getReport().size();
return blend(startColor, endColor, progress);
}
public TimeSheetReport getReport() {
return report;
}
public int getRowHeight() {
return rowHeight;
}
public int getColumnWidth() {
return columnWidth;
}
@Override
public void addNotify() {
super.addNotify();
configureEnclosingScrollPane();
}
protected void configureEnclosingScrollPane() {
Container parent = getParent();
if (parent instanceof JViewport) {
JViewport viewport = (JViewport) parent;
parent = viewport.getParent();
if (parent instanceof JideScrollPane) {
JideScrollPane sp = (JideScrollPane) parent;
sp.setRowFooterView(new RowFooter(this));
}
if (parent instanceof JScrollPane) {
JScrollPane sp = (JScrollPane) parent;
JLabel leftHeader = new JLabel("Status");
leftHeader.setForeground(Color.WHITE);
leftHeader.setBackground(Color.BLACK);
leftHeader.setOpaque(true);
leftHeader.setHorizontalAlignment(JLabel.CENTER);
leftHeader.setVerticalAlignment(JLabel.TOP);
leftHeader.setBorder(new EdgeBorder(EdgeBorder.Edge.RIGHT, Color.WHITE, Color.BLACK));
sp.setCorner(ScrollPaneConstants.UPPER_LEFT_CORNER, leftHeader);
JLabel rightHeader = new JLabel("Working Hr");
rightHeader.setForeground(Color.WHITE);
rightHeader.setBackground(Color.BLACK);
rightHeader.setOpaque(true);
rightHeader.setHorizontalAlignment(JLabel.CENTER);
rightHeader.setBorder(new EdgeBorder(EdgeBorder.Edge.LEFT, Color.WHITE, Color.BLACK));
sp.setCorner(ScrollPaneConstants.UPPER_RIGHT_CORNER, rightHeader);
sp.setRowHeaderView(new RowHeader(this));
sp.setColumnHeaderView(new ColumnHeader(this));
}
}
}
}
public class ColumnHeader extends JPanel {
private TimeSheetReportPane reportPane;
public ColumnHeader(TimeSheetReportPane tsrp) {
reportPane = tsrp;
setBackground(Color.BLACK);
setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridheight = GridBagConstraints.REMAINDER;
gbc.weighty = 1;
gbc.fill = GridBagConstraints.VERTICAL;
gbc.ipady = 8;
Border border = new MatteBorder(0, 0, 0, 1, Color.GRAY);
for (int hour = 8; hour < 25; hour++) {
JLabel label = new JLabel(Integer.toString(hour)) {
@Override
public Dimension getPreferredSize() {
Dimension dim = super.getPreferredSize();
dim.width = reportPane.getColumnWidth();
return dim;
}
@Override
public Dimension getMinimumSize() {
return getPreferredSize();
}
};
label.setVerticalAlignment(JLabel.TOP);
label.setHorizontalAlignment(JLabel.CENTER);
label.setForeground(Color.WHITE);
label.setBorder(border);
add(label, gbc);
}
gbc.weightx = 1;
JPanel fill = new JPanel();
fill.setOpaque(false);
add(fill, gbc);
}
}
public class RowHeader extends JPanel {
private TimeSheetReportPane reportPane;
public RowHeader(TimeSheetReportPane tsrp) {
reportPane = tsrp;
setBackground(Color.BLACK);
setLayout(new GridBagLayout());
TimeSheetReport tsr = reportPane.getReport();
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.weightx = 1;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.ipadx = 16;
gbc.ipady = 2;
gbc.insets = new Insets(0, 0, 1, 0);
int index = 0;
for (TimeSheet ts : tsr) {
JLabel label = new JLabel(ts.getName()) {
@Override
public Dimension getPreferredSize() {
Dimension dim = super.getPreferredSize();
dim.height = reportPane.getRowHeight();
return dim;
}
@Override
public Dimension getMinimumSize() {
return getPreferredSize();
}
};
label.setHorizontalAlignment(JLabel.CENTER);
label.setForeground(Color.WHITE);
label.setBackground(reportPane.getColorForSheet(index));
label.setOpaque(true);
add(label, gbc);
index++;
}
gbc.weighty = 1;
JPanel fill = new JPanel();
fill.setOpaque(false);
add(fill, gbc);
}
}
public class RowFooter extends JPanel {
private TimeSheetReportPane reportPane;
public RowFooter(TimeSheetReportPane tsrp) {
reportPane = tsrp;
setBackground(Color.BLACK);
setLayout(new GridBagLayout());
TimeSheetReport tsr = reportPane.getReport();
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.weightx = 1;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.ipadx = 36;
gbc.ipady = 2;
gbc.insets = new Insets(0, 0, 1, 0);
int index = 0;
for (TimeSheet ts : tsr) {
double time = ts.getWorkingHours();
String workHrs = "";
if (time > 0) {
workHrs = format(time);
}
JLabel label = new JLabel(workHrs) {
@Override
public Dimension getPreferredSize() {
Dimension dim = super.getPreferredSize();
dim.height = reportPane.getRowHeight();
return dim;
}
@Override
public Dimension getMinimumSize() {
return getPreferredSize();
}
};
label.setHorizontalAlignment(JLabel.CENTER);
label.setForeground(Color.WHITE);
label.setBackground(reportPane.getColorForSheet(index));
label.setOpaque(true);
add(label, gbc);
index++;
}
gbc.weighty = 1;
JPanel fill = new JPanel();
fill.setOpaque(false);
add(fill, gbc);
}
}
public static class EdgeBorder implements Border {
public enum Edge {
LEFT,
RIGHT
}
private Edge edge;
private Color startColor;
private Color endColor;
public EdgeBorder(Edge edge, Color startColor, Color endColor) {
this.edge = edge;
this.startColor = startColor;
this.endColor = endColor;
}
@Override
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
int xPos = x;
switch (edge) {
case RIGHT:
xPos = x + (width - 1);
}
LinearGradientPaint lgp = new LinearGradientPaint(
new Point(x, 0),
new Point(x, height),
new float[]{0, 1},
new Color[]{startColor, endColor});
Graphics2D g2d = (Graphics2D) g;
g2d.setPaint(lgp);
g2d.drawLine(xPos, y, xPos, y + height);
}
@Override
public Insets getBorderInsets(Component c) {
int left = edge == Edge.LEFT ? 1 : 0;
int right = edge == Edge.RIGHT ? 1 : 0;
return new Insets(0, left, 0, right);
}
@Override
public boolean isBorderOpaque() {
return false;
}
}
/**
* Blend two colors.
*
* @param color1 First color to blend.
* @param color2 Second color to blend.
* @param ratio Blend ratio. 0.5 will give even blend, 1.0 will return color1,
* 0.0 will return color2 and so on.
* @return Blended color.
*/
public static Color blend(Color color1, Color color2, double ratio) {
float r = (float) ratio;
float ir = (float) 1.0 - r;
float rgb1[] = new float[3];
float rgb2[] = new float[3];
color1.getColorComponents(rgb1);
color2.getColorComponents(rgb2);
float red = rgb1[0] * r + rgb2[0] * ir;
float green = rgb1[1] * r + rgb2[1] * ir;
float blue = rgb1[2] * r + rgb2[2] * ir;
if (red < 0) {
red = 0;
} else if (red > 255) {
red = 255;
}
if (green < 0) {
green = 0;
} else if (green > 255) {
green = 255;
}
if (blue < 0) {
blue = 0;
} else if (blue > 255) {
blue = 255;
}
Color color = null;
try {
color = new Color(red, green, blue);
} catch (IllegalArgumentException exp) {
exp.printStackTrace();
}
return color;
}
public class TimeSheetPane extends JPanel {
private final JPanel timeEntriesPane;
public TimeSheetPane(TimeSheetReportPane reportPane, TimeSheet ts) {
timeEntriesPane = new JPanel(new TimeSheetLayoutManager(reportPane.getColumnWidth(), reportPane.getRowHeight()));
timeEntriesPane.setBackground(Color.BLACK);
setBorder(new EmptyBorder(1, 0, 1, 0));
setLayout(new BorderLayout());
add(timeEntriesPane);
for (TimeEntry te : ts) {
JLabel label = createLabel(te.getType().getColor());
String startTime = format(te.getStartTime());
String duration = format(te.getDuration());
label.setToolTipText("<html>StartTime: " + startTime + "<br>Duration: " + duration);
timeEntriesPane.add(label, te);
}
}
protected JLabel createLabel(Color color) {
JLabel label = new JLabel();
label.setOpaque(true);
label.setBackground(color);
return label;
}
}
public class TimeSheetLayoutManager implements LayoutManager2 {
private Map<Component, TimeEntry> mapConstraints;
private int colWidth;
private int rowHeight;
public TimeSheetLayoutManager(int colWidth, int rowHeight) {
mapConstraints = new HashMap<>(25);
this.colWidth = colWidth;
this.rowHeight = rowHeight;
}
@Override
public void addLayoutComponent(Component comp, Object constraints) {
if (constraints instanceof TimeEntry) {
mapConstraints.put(comp, (TimeEntry) constraints);
} else {
throw new IllegalArgumentException(
constraints == null ? "Null is not a valid constraint"
: constraints.getClass().getName() + " is not a valid TimeEntry constraint"
);
}
}
@Override
public Dimension maximumLayoutSize(Container target) {
return preferredLayoutSize(target);
}
@Override
public float getLayoutAlignmentX(Container target) {
return 0.5f;
}
@Override
public float getLayoutAlignmentY(Container target) {
return 0.5f;
}
@Override
public void invalidateLayout(Container target) {
}
@Override
public void addLayoutComponent(String name, Component comp) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void removeLayoutComponent(Component comp) {
mapConstraints.remove(comp);
}
@Override
public Dimension preferredLayoutSize(Container parent) {
return new Dimension(colWidth * (24 - 8), rowHeight);
}
@Override
public Dimension minimumLayoutSize(Container parent) {
return preferredLayoutSize(parent);
}
@Override
public void layoutContainer(Container parent) {
Insets insets = parent.getInsets();
int width = parent.getWidth() - (insets.left + insets.right);
int height = rowHeight;
int hourWidth = colWidth;
int offset = 8;
for (Component comp : mapConstraints.keySet()) {
TimeEntry te = mapConstraints.get(comp);
double startTime = te.getStartTime();
double duration = te.getDuration();
startTime -= offset;
int x = (int) Math.round(startTime * hourWidth);
int unitWidth = (int) Math.round(duration * hourWidth);
comp.setLocation(x, insets.top);
comp.setSize(unitWidth, height);
}
}
}
public enum WorkType {
WORK(WORKING_HOURS_COLOR),
LUNCH(LUNCH_HOURS_COLOR),
OTHER(OTHER_HOURS_COLOR);
private Color color;
private WorkType(Color color) {
this.color = color;
}
public Color getColor() {
return color;
}
}
public interface TimeEntry {
public WorkType getType();
public double getStartTime();
public double getDuration();
}
public interface TimeSheet extends Iterable<TimeEntry> {
public String getName();
public int size();
public TimeEntry get(int index);
public double getWorkingHours();
}
public interface TimeSheetReport extends Iterable<TimeSheet> {
public int size();
public TimeSheet get(int index);
}
public class DefaultTimeEntry implements TimeEntry {
private final double startTime;
private final double endTime;
private final WorkType workType;
public DefaultTimeEntry(WorkType type, double startTime, double endTime) {
this.startTime = startTime;
this.endTime = endTime;
this.workType = type;
}
@Override
public double getStartTime() {
return startTime;
}
public double getEndTime() {
return endTime;
}
@Override
public double getDuration() {
return endTime - startTime;
}
@Override
public WorkType getType() {
return workType;
}
}
public class DefaultTimeSheet implements TimeSheet {
private final List<TimeEntry> timeEntries;
private final String name;
public DefaultTimeSheet(String name) {
this.name = name;
timeEntries = new ArrayList<>(25);
}
public TimeSheet add(TimeEntry te) {
timeEntries.add(te);
return this;
}
@Override
public Iterator<TimeEntry> iterator() {
return timeEntries.iterator();
}
@Override
public int size() {
return timeEntries.size();
}
@Override
public TimeEntry get(int index) {
return timeEntries.get(index);
}
@Override
public String getName() {
return name;
}
@Override
public double getWorkingHours() {
double time = 0;
for (TimeEntry te : this) {
switch (te.getType()) {
case WORK:
time += te.getDuration();
break;
}
}
return time;
}
}
public class DefaultTimeSheetReport implements TimeSheetReport {
private final List<TimeSheet> timeSheets;
public DefaultTimeSheetReport() {
timeSheets = new ArrayList<>(25);
}
public DefaultTimeSheetReport add(TimeSheet ts) {
timeSheets.add(ts);
return this;
}
@Override
public int size() {
return timeSheets.size();
}
@Override
public TimeSheet get(int index) {
return timeSheets.get(index);
}
@Override
public Iterator<TimeSheet> iterator() {
return timeSheets.iterator();
}
}
}
这篇关于在Java的JTable列中显示BarChar的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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