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1
19
27
28 package org.netbeans.modules.xml.schema.abe;
29
30 import java.awt.Color  ;
31 import java.awt.Component ;
32 import java.awt.Dimension ;
33 import java.awt.Graphics ;
34 import java.awt.Polygon ;
35 import java.awt.event.ActionEvent ;
36 import java.awt.event.ActionListener ;
37 import java.awt.event.ComponentAdapter ;
38 import java.awt.event.ComponentEvent ;
39 import java.awt.event.ComponentListener ;
40 import java.awt.event.MouseAdapter ;
41 import java.awt.event.MouseEvent ;
42 import java.beans.PropertyChangeEvent ;
43 import java.beans.PropertyChangeListener ;
44 import java.util.ArrayList ;
45 import java.util.List ;
46 import javax.swing.JPanel ;
47 import javax.swing.SwingUtilities ;
48
49
53 class ExpandCollapseButton extends JPanel {
54 private static final long serialVersionUID = 7526472295622776147L;
55
56 public static final int WIDTH = 12;
57 public static final int HEIGHT = 12;
58
59 boolean mouseInside = false;
60
61 public ExpandCollapseButton(String str){
62 this(str, true);
63 }
64
65 public ExpandCollapseButton(String str, final boolean autoChangeState){
66 if(!str.equals("+") && !str.equals("-"))
68 throw new IllegalArgumentException ("Arg can be only + or -");
69 this.text = str;
70 setOpaque(false);
71 addMouseListener(new MouseAdapter (){
72 public void mouseClicked(MouseEvent e) {
73 super.mouseClicked(e);
74 fireActionPerformedEvent();
75 if(autoChangeState)
76 setText(getText().equals("+") ? "-" : "+");
77 }
78
79 public void mouseExited(MouseEvent e) {
80 super.mouseExited(e);
81 mouseInside = false;
82 repaint();
83 }
84
85 public void mouseEntered(MouseEvent e) {
86 super.mouseEntered(e);
87 mouseInside = true;
88 repaint();
89 }
90
91 });
92
93 }
94
95
96 List <ActionListener > all = new ArrayList <ActionListener >();
97 public void addActionListener(ActionListener al){
98 all.add(al);
99 }
100
101 private void fireActionPerformedEvent(){
102 for(ActionListener al: all){
103 al.actionPerformed(new ActionEvent (this, 1980, getText()));
104 }
105 }
106
107 public boolean isExpanded(){
108 return getText().equals("-") ? true : false;
109 }
110
111 public boolean isCollapsed(){
112 return !isExpanded();
113 }
114
115 public void paintComponent(Graphics g){
116 super.paintComponent(g);
117
118 int w = 10 - 2; int h = 10 - 2; int xo = 0;
121 int yo = 0;
123 if(mouseInside)
124 g.setColor(InstanceDesignConstants.MOUSEOVER_EXPAND_BUTTON_COLOR);
125 else
126 g.setColor(InstanceDesignConstants.DARK_BLUE);
127 if(dragMode)
128 g.setColor(Color.WHITE);
129
130 Polygon shape = null;
131 if(getText().equals("+"))
132 shape = new Polygon (
133 new int[] {xo, xo , xo+w, xo},
134 new int[] {yo, yo+h, yo+h/2, yo}, 3);
135 else{
136 shape = new Polygon (
137 new int[] {xo, xo+w, xo+w/2, xo },
138 new int[] {yo, yo , yo+h, yo }, 3);
139 }
140 g.drawPolygon(shape);
141 g.fillPolygon(shape);
142 }
143
144 public Dimension getPreferredSize(){
145 Dimension dim = new Dimension (WIDTH, HEIGHT);
146 return dim;
147 }
148
149 public Dimension getMinimumSize(){
150 return getPreferredSize();
151 }
152
153
154 public Dimension getMaximumSize(){
155 return getPreferredSize();
156 }
157
158 String text;
159 public synchronized String getText(){
160 return text;
161 }
162
163 public synchronized void setText(String text){
164 this.text = text;
165 repaint();
166 }
167
168 boolean dragMode = false;
169 public void setDragMode(boolean dragMode) {
170 this.dragMode = dragMode;
171 repaint();
172 }
173
174 public void setWatchForComponent(Component comp){
175 comp.addComponentListener(new ComponentAdapter () {
176 public void componentShown(ComponentEvent e) {
177 SwingUtilities.invokeLater(new Runnable (){
178 public void run() {
179 if(ExpandCollapseButton.this.isCollapsed())
180 ExpandCollapseButton.this.setText("-");
181 }
182 });
183 }
184 public void componentHidden(ComponentEvent e) {
185 SwingUtilities.invokeLater(new Runnable (){
186 public void run() {
187 if(ExpandCollapseButton.this.isExpanded())
188 ExpandCollapseButton.this.setText("+");
189 }
190
191 });
192 }
193 });
194 }
195 } |
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