bundles/org.simantics.g2d/src/org/simantics/g2d/tooltip/EditableTextTooltipProvider.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.g2d.tooltip;
  13
  14 import java.awt.Frame;
  15 import java.awt.Label;
  16 import java.awt.TextField;
  17 import java.awt.event.FocusEvent;
  18 import java.awt.event.FocusListener;
  19 import java.awt.event.KeyEvent;
  20 import java.awt.event.KeyListener;
  21
  22 import javax.swing.BoxLayout;
  23
  24 import org.simantics.g2d.element.IElement;
  25
  26 public abstract class EditableTextTooltipProvider implements FocusableTooltipProvider {
  27         private Frame frame;
  28         private TextField field;
  29
  30         @Override
  31         public void showTooltip(final IElement element, int x, int y) {
  32                 if (frame != null) {
  33                         frame.setVisible(false);
  34                         frame.dispose();
  35                         frame = null;
  36                 }
  37                 frame = new Frame(getTooltipText(element));
  38                 frame.setFocusableWindowState(false);
  39                 frame.setUndecorated(true);
  40                 frame.addFocusListener(new FocusListener() {
  41
  42                         @Override
  43                         public void focusLost(FocusEvent arg0) {
  44                                 System.out.println("Lost " + arg0);
  45
  46                         }
  47
  48                         @Override
  49                         public void focusGained(FocusEvent arg0) {
  50                                 System.out.println("Lost " + arg0);
  51                         }
  52                 });
  53                 Label label = new Label("Press 'F9' to focus");
  54                 field = new TextField(getTooltipText(element));
  55                 field.setFocusable(false);
  56                 field.setEditable(false);
  57                 field.addKeyListener(new KeyListener() {
  58
  59                         @Override
  60                         public void keyTyped(KeyEvent arg0) {
  61
  62                         }
  63
  64                         @Override
  65                         public void keyReleased(KeyEvent arg0) {
  66                                 if (arg0.getKeyCode() == KeyEvent.VK_ENTER) {
  67                                         setText(element, field.getText());
  68                                         frame.setVisible(false);
  69                                 }
  70                         }
  71
  72                         @Override
  73                         public void keyPressed(KeyEvent arg0) {
  74
  75                         }
  76                 });
  77                 frame.setLayout(new BoxLayout(frame, BoxLayout.Y_AXIS));
  78                 frame.add(label);
  79                 frame.add(field);
  80                 frame.pack();
  81                 frame.setVisible(true);
  82                 frame.setLocation(x,y-32);
  83
  84         }
  85
  86         @Override
  87         public void hideTooltip(IElement element) {
  88                 if (frame != null) {
  89                         frame.setVisible(false);
  90                         frame.dispose();
  91                         frame = null;
  92                 }
  93         }
  94
  95         public void focus() {
  96                 frame.setFocusableWindowState(true);
  97                 frame.setFocusable(true);
  98                 field.setFocusable(true);
  99                 field.setEditable(true);
 100                 frame.requestFocus();
 101                 frame.requestFocusInWindow();
 102                 //frame.transferFocus();
 103                 System.out.println(field.isFocusOwner() + " " + frame.isFocused());
 104         }
 105
 106         @Override
 107         public boolean hasFocus() {
 108                 return field.isFocusOwner();
 109         }
 110
 111         public abstract String getTooltipText(IElement element);
 112
 113         public abstract void setText(IElement element, String text);
 114
 115 }