import org.eclipse.jface.bindings.keys.KeyStroke;
import org.eclipse.jface.bindings.keys.ParseException;
import org.eclipse.jface.fieldassist.ContentProposalAdapter;
import org.eclipse.jface.fieldassist.IContentProposal;
import org.eclipse.jface.fieldassist.IContentProposalProvider;
import org.eclipse.jface.fieldassist.IControlContentAdapter;
import org.eclipse.jface.fieldassist.TextContentAdapter;
import org.eclipse.jface.window.ApplicationWindow;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Text;
/**
* コードアシストの手習い
*
* @author nakawakashigeto
*
*/
public class Main extends ApplicationWindow {
public Main() {
super(null);
}
public static void main(String[] args) {
Main window = new Main();
window.setBlockOnOpen(true);
window.open();
Display.getCurrent().dispose();
}
protected Control createContents(Composite parent) {
Text text = new Text(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
IControlContentAdapter contentAdapter = new TextContentAdapter();
/*
* 提案する内容提供します。
*/
IContentProposalProvider provider = new IContentProposalProvider() {
public IContentProposal[] getProposals(String content, int pos) {
return createProposals(content, pos);
}
};
/*
* ctrl + spaceでコードアシストするようにしています。
*/
ContentProposalAdapter contentProposalAdapter = new ContentProposalAdapter(
text, contentAdapter, provider, keystroke("Ctrl+Space"), null);
return parent;
}
/**
* <p>
* 入力された文字列が「あなたは」で終わっている場合に提案します。
* </p>
*
* @param content
* @param pos
* @return
*/
static public IContentProposal[] createProposals(final String content,
final int pos) {
if (content.length() == 0 || !(0 < (pos - 3))
|| "あなたは".equals(content.substring(pos - 3, pos))) {
return new IContentProposal[] {};
}
String[] strings = { "愉快な人","ちょっとあぶない", "いい人", "いやな人", "楽しい人"};
IContentProposal[] proposals = new IContentProposal[strings.length];
for (int i = 0; i < proposals.length; i++) {
final String s = strings[i];
proposals[i] = new IContentProposal() {
public String getContent() {
return "、ずばり" + s;
}
public int getCursorPosition() {
return 0;
}
public String getDescription() {
return "あなたは" + s;
}
public String getLabel() {
return s;
}
};
}
return proposals;
}
static KeyStroke keystroke(String s) {
try {
return KeyStroke.getInstance(s);
} catch (ParseException e) {
e.printStackTrace();
}
return null;
}
}
eclipse
google app engine
Leiningen
これでぐっすり眠れますね。
