/**
* Copies the text passed in from the component to the model, replacing any content already there
* entirely.
*/
public void updateModelFromComponent(String newText) {
try {
doc.remove(0, doc.getLength());
doc.insertString(0, newText, null);
componentJustChanged = true; // Let the twin routine know not to run
// as a result of this change (no need to
// sync component/model twice).
} catch (BadLocationException e) {
// Shouldn't ever happen since we're replacing the whole lot
e.printStackTrace();
}
}
/** Reads the text from the model and replaces the text in the component. */
public void updateComponentFromModel() {
// We set this flag when a keypress fires a model
// change - this ensures that if the model was just
// updated from the component, the resulting Document
// change doesn't fire a component update (losing
// the caret position and looking weird to the user).
// Besides - if this flag is set, the two have just
// been synced so there's no need to do it again.
if (componentJustChanged) {
componentJustChanged = false;
return;
}
try {
comp.setText(doc.getText(0, doc.getLength()));
} catch (BadLocationException e) {
// Shouldn't ever happen
e.printStackTrace();
}
}