[英]How to change all highlighted words in jTextPane to the word given in jTextField?
我编写了一种方法,用于查找TextPane中所有与TextField1
给定的单词(您搜索的单词)相同的单词(名为textContent
),并将其突出显示为黄色:
private void findAlleActionPerformed(java.awt.event.ActionEvent evt) {
int j = 0;
int i = 0;
int index = 0;
String search = TextField1.getText();
try{
if(!TextField1.getText().isEmpty()){
while(i != -1){
i = textContent.getText().indexOf(search, j);
if(i == -1)
break;
if(evt.getSource() == findAll || evt.getSource() == findAllButton){
textContent.select(i, i + search.length());
}
Color c = Color.YELLOW;
Style s = textContent.addStyle("TextBackground", null);
StyleConstants.setBackground(s, c);
StyledDocument d = textContent.getStyledDocument();
d.setCharacterAttributes(textContent.getSelectionStart(), textContent.getSelectionEnd() - textContent.getSelectionStart(), textContent.getStyle("TextBackground"), false);
j = i + search.length();
index++;
}
if (index > 0){
textContent.grabFocus();
textContent.setCaretPosition(textContent.getText().indexOf(search, 0) );
if(evt.getSource() == findAll || evt.getSource() == findAllButton){
status.setText("Term: " + TextField1.getText() + ". Number of apperances: " + index);
}
} else {
textContent.grabFocus();
if(evt.getSource() == findAll || evt.getSource() == findAllButton){
status.setText("Term " + search + " was not found.");
}
}
}
} catch (Exception e){
status.setText("Error finding requested term.");
System.err.print(e);
}
}
现在,我正在制作另一个方法changeAllActionperformed()
,它将用TextField2
给定的单词替换所有突出显示的单词。 我尝试使用textContent.replaceSelection(TextField2.getText());
但是问题在于,它会将新单词放在第一个要强调的单词的前面,甚至没有删除它。 我想删除所有突出显示的单词,并将其全部替换为Textfield2
的新单词。 我怎么做?
有什么理由不能这么简单吗?
String replaced = textContent.getText().replace(search, TextField2.getText());
textContent.setText(replaced);
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