Page 69 - การโปรแกรมคอมพิวเตอร์ขั้นสูง

การ​เขียนโ​ปรแกรม​จาวาแ​ อพเพล็ต 12-59

ตาราง (ตอ่ )

SoundApplet.java

76 Object source = event.getSource();
77 if (source == playButton) {
78 onceClip = soundList.getClip(chosenFile);
79 onceClip.play();
80 stopButton.setEnabled(true);
81 showStatus("Playing sound " + chosenFile + ".");
82 if (onceClip == null) {
83 showStatus("Sound " + chosenFile + " not loaded yet.");
84 }
85 return;
86 }
87
88 if (source == loopButton) {
89 loopClip = soundList.getClip(chosenFile);
90
91 looping = true;
92 loopClip.loop();
93 loopButton.setEnabled(false);
94 stopButton.setEnabled(true);
95 showStatus("Playing sound " + chosenFile + " continuously.");
96 if (loopClip == null) {
97 showStatus("Sound " + chosenFile + " not loaded yet.");
98 }
99 return;
100 }
101
102 if (source == stopButton) {
103 if (looping) {
104 looping = false;
105 loopClip.stop();
106 loopButton.setEnabled(true);
107 }
108 else if (onceClip != null) {
109 onceClip.stop();
110 }
111 stopButton.setEnabled(false);
112 showStatus("Stopped playing " + chosenFile + ".");