forked from fanruan/design
Henry.Wang
3 years ago
4 changed files with 331 additions and 105 deletions
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package com.fr.design.base.clipboard; |
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import java.util.List; |
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public class ClipboardHelper { |
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public static String formatExcelString(List<List<Object>> table) { |
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StringBuffer stringBuffer = new StringBuffer(); |
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for (int row = 0; row < table.size(); row++) { |
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List<Object> rowValue = table.get(row); |
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for (int col = 0; col < rowValue.size(); col++) { |
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Object cell = rowValue.get(col); |
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stringBuffer.append(cell); |
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if (col != rowValue.size() - 1) { |
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stringBuffer.append("\t"); |
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} |
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} |
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if (row != table.size() - 1) { |
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stringBuffer.append("\n"); |
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} |
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} |
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return stringBuffer.toString(); |
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} |
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} |
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@ -0,0 +1,203 @@
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package com.fr.design.data.datapane.preview; |
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import com.fr.design.base.clipboard.ClipboardHelper; |
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import com.fr.design.gui.itable.SortableJTable; |
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import com.fr.design.gui.itable.TableSorter; |
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import com.fr.log.FineLoggerFactory; |
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import com.fr.stable.os.OperatingSystem; |
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import javax.swing.table.TableCellRenderer; |
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import java.awt.*; |
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import java.awt.datatransfer.Clipboard; |
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import java.awt.datatransfer.StringSelection; |
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import java.awt.datatransfer.Transferable; |
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import java.awt.event.KeyAdapter; |
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import java.awt.event.KeyEvent; |
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import java.awt.event.MouseAdapter; |
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import java.awt.event.MouseEvent; |
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import java.util.ArrayList; |
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import java.util.Collections; |
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import java.util.Comparator; |
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public class CopyableJTable extends SortableJTable { |
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//区域选中用到的定位数据
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public int startRow = -1; |
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public int startCol = -1; |
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public int endRow = -1; |
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public int endCol = -1; |
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//单元格不连续多选用到的定位数据
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java.util.List<Point> pointList = new ArrayList<>(); |
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//shift键是否被按下
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public boolean isShiftDown = false; |
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//control\command键是否被按下
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public boolean isControlDown = false; |
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//是否可以复制
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public boolean isCopy = true; |
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int ctrlKeyCode = 17; |
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int cKeyCode = 67; |
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int shiftKeyCode = 16; |
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int commandKeyCode = 157; |
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//选中单元格的背景色
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Color selectBackGround = new Color(54, 133, 242, 63); |
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public CopyableJTable(TableSorter tableModel) { |
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super(tableModel); |
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initListener(); |
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} |
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private void initListener() { |
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CopyableJTable self = this; |
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this.addMouseMotionListener(new java.awt.event.MouseAdapter() { |
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@Override |
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public void mouseDragged(MouseEvent evt) { |
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int row = self.rowAtPoint(evt.getPoint()); |
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int col = self.columnAtPoint(evt.getPoint()); |
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if (self.updateEndPoint(row, col)) { |
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self.repaint(); |
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} |
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} |
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}); |
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this.addMouseListener(new MouseAdapter() { |
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public void mousePressed(MouseEvent e) { |
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int row = self.rowAtPoint(e.getPoint()); |
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int col = self.columnAtPoint(e.getPoint()); |
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if (!self.isControlDown) { |
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self.clearPoint(); |
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} |
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if (self.isShiftDown) { |
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self.clearPoint(); |
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} else { |
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self.updateStartPoint(row, col); |
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} |
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self.addPoint(row, col); |
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self.updateEndPoint(row, col); |
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self.repaint(); |
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} |
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}); |
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this.addKeyListener(new KeyAdapter() { |
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@Override |
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public void keyPressed(KeyEvent e) { |
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if (isControlKey(e)) { |
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isControlDown = true; |
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} else if (e.getKeyCode() == shiftKeyCode) { |
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isShiftDown = true; |
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} else if (e.getKeyCode() == cKeyCode) { |
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if (isControlDown && isCopy) { |
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self.copy(); |
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isCopy = false; |
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} |
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} |
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} |
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@Override |
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public void keyReleased(KeyEvent e) { |
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if (isControlKey(e)) { |
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isControlDown = false; |
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isCopy = true; |
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} else if (e.getKeyCode() == shiftKeyCode) { |
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isShiftDown = false; |
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} |
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} |
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private boolean isControlKey(KeyEvent e) { |
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if (e.getKeyCode() == ctrlKeyCode) { |
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return true; |
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} |
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if (e.getKeyCode() == commandKeyCode && OperatingSystem.isMacos()) { |
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return true; |
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} |
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return false; |
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} |
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}); |
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} |
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@Override |
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public Component prepareRenderer(TableCellRenderer renderer, int row, int column) { |
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Component comp = super.prepareRenderer(renderer, row, column); |
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if (isChoose(row, column)) { |
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comp.setBackground(selectBackGround); |
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} else { |
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comp.setBackground(this.getBackground()); |
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} |
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return comp; |
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} |
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private boolean updateEndPoint(int row, int col) { |
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if (endRow != row || endCol != col) { |
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endRow = row; |
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endCol = col; |
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return true; |
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} |
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return false; |
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} |
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private boolean updateStartPoint(int row, int col) { |
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if (startRow != row || startCol != col) { |
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startRow = row; |
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startCol = col; |
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return true; |
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} |
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return false; |
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} |
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private void addPoint(int row, int col) { |
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pointList.add(new Point(row, col)); |
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} |
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private void clearPoint() { |
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pointList = new ArrayList<>(); |
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} |
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private void copy() { |
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FineLoggerFactory.getLogger().info("copy cell value"); |
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java.util.List<java.util.List<Object>> table = new ArrayList<>(); |
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if ((startRow != endRow || startCol != endCol) && |
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Math.min(startRow, endRow) > -1 && Math.min(startCol, endCol) > -1) { |
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for (int i = Math.min(startRow, endRow); i <= Math.max(startRow, endRow); i++) { |
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table.add(new ArrayList<>()); |
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for (int j = Math.min(startCol, endCol); j <= Math.max(startCol, endCol); j++) { |
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Object text = this.getValueAt(i, j); |
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table.get(i - Math.min(startRow, endRow)).add(text); |
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} |
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} |
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} else if (pointList.size() > 0) { |
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Collections.sort(pointList, Comparator.comparing(Point::getX).thenComparing(Point::getY)); |
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int startRow = pointList.get(0).x; |
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int currentRow = startRow; |
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table.add(new ArrayList<>()); |
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for (Point point : pointList) { |
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while (currentRow < point.x) { |
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table.add(new ArrayList<>()); |
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currentRow++; |
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} |
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Object text = this.getValueAt(point.x, point.y); |
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table.get(currentRow - startRow).add(text); |
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} |
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} |
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Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard(); |
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Transferable tText = new StringSelection(ClipboardHelper.formatExcelString(table)); |
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clip.setContents(tText, null); |
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} |
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private boolean isChoose(int row, int col) { |
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if (row >= Math.min(startRow, endRow) && row <= Math.max(startRow, endRow)) { |
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if (col >= Math.min(startCol, endCol) && col <= Math.max(startCol, endCol)) { |
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return true; |
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} |
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} |
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for (Point point : pointList) { |
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if (point.x == row && point.y == col) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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