ui/impl/com/intellij/ui/TableToolTipHandler.java

   1 package com.intellij.ui;
   2
   3 import javax.swing.*;
   4 import java.awt.*;
   5
   6 public class TableToolTipHandler extends AbstractToolTipHandler<TableCellKey, JTable> {
   7   protected TableToolTipHandler(JTable table) {
   8     super(table);
   9   }
  10
  11   public static void install(JTable table) {
  12     new TableToolTipHandler(table);
  13   }
  14
  15   public Rectangle getCellBounds(TableCellKey tableCellKey, Component rendererComponent) {
  16     Rectangle cellRect = getCellRect(tableCellKey);
  17     cellRect.width = rendererComponent.getPreferredSize().width;
  18     return cellRect;
  19   }
  20
  21   private Rectangle getCellRect(TableCellKey tableCellKey) {
  22     return myComponent.getCellRect(tableCellKey.myRowIndex, tableCellKey.myColumnIndex, false);
  23   }
  24
  25   public Component getRendererComponent(TableCellKey key) {
  26     int modelColumnIndex = myComponent.convertColumnIndexToModel(key.myColumnIndex);
  27     return myComponent.getCellRenderer(key.myRowIndex, key.myColumnIndex).
  28       getTableCellRendererComponent(myComponent,
  29                                     myComponent.getModel().getValueAt(key.myRowIndex, modelColumnIndex),
  30                                     myComponent.getSelectionModel().isSelectedIndex(key.myRowIndex),
  31                                     myComponent.hasFocus(),
  32                                     key.myRowIndex,key.myColumnIndex
  33       );
  34   }
  35
  36   public Rectangle getVisibleRect(TableCellKey key) {
  37     Rectangle columnVisibleRect = myComponent.getVisibleRect();
  38     Rectangle cellRect = getCellRect(key);
  39     int visibleRight = Math.min(columnVisibleRect.x + columnVisibleRect.width, cellRect.x + cellRect.width);
  40     columnVisibleRect.x = Math.min(columnVisibleRect.x, cellRect.x);
  41     columnVisibleRect.width = Math.max(0, visibleRight - columnVisibleRect.x);
  42     return columnVisibleRect;
  43   }
  44
  45   //private Rectangle getColumnRectangle(int columnIndex) {
  46   //  TableColumnModel cm = getColumnModel();
  47   //  if (getComponentOrientation().isLeftToRight()) {
  48   //    for (int i = 0; i < column; i++) {
  49   //      r.x += cm.getColumn(i).getWidth();
  50   //    }
  51   //  }
  52   //  else {
  53   //    for (int i = cm.getColumnCount() - 1; i > column; i--) {
  54   //      r.x += cm.getColumn(i).getWidth();
  55   //    }
  56   //  }
  57   //  r.width = cm.getColumn(column).getWidth();
  58   //}
  59
  60   public TableCellKey getCellKeyForPoint(Point point) {
  61     int rowIndex = myComponent.rowAtPoint(point);
  62     if (rowIndex == -1) {
  63       return null;
  64     }
  65
  66     int columnIndex = myComponent.columnAtPoint(point); // column index in visible coordinates
  67     if (columnIndex == -1) {
  68       return null;
  69     }
  70
  71     return new TableCellKey(rowIndex, columnIndex);
  72   }
  73 }