/*
* Copyright 2008 Ayman Al-Sairafi ayman.alsairafi@gmail.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License
* at http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jsyntaxpane.actions;
import java.awt.event.ActionEvent;
import java.util.Map;
import javax.swing.text.JTextComponent;
import javax.swing.text.TextAction;
import jsyntaxpane.SyntaxDocument;
import jsyntaxpane.Token;
import jsyntaxpane.util.Configuration;
import jsyntaxpane.util.JarServiceProvider;
/**
* Completion Actions:
* All completions are based on a simple String to String Map.
*/
public class MapCompletionAction extends TextAction implements SyntaxAction {
Map<String, String> completions;
public MapCompletionAction() {
super("MAP_COMPLETION");
}
public void actionPerformed(ActionEvent e) {
JTextComponent target = getTextComponent(e);
if (target != null && target.getDocument() instanceof SyntaxDocument) {
SyntaxDocument sDoc = (SyntaxDocument) target.getDocument();
int dot = target.getCaretPosition();
Token token = sDoc.getTokenAt(dot);
if (token != null) {
String abbriv = ActionUtils.getTokenStringAt(sDoc, dot);
if (completions.containsKey(abbriv)) {
String completed = completions.get(abbriv);
if (completed.indexOf('|') >= 0) {
int ofst = completed.length() - completed.indexOf('|') - 1;
sDoc.replaceToken(token, completed.replace("|", ""));
target.setCaretPosition(target.getCaretPosition() - ofst);
} else {
sDoc.replaceToken(token, completed);
}
}
}
}
}
/**
* The completions will for now reside on another properties style file
* referenced by prefix.Completions.File
*
* @param config
* @param prefix
* @param name
*/
public void config(Configuration config, String prefix, String name) {
String completionsFile = config.getPrefixProperty(prefix, "Completions.File", "NONE");
if(completionsFile != null) {
completions = JarServiceProvider.readStringsMap(completionsFile);
}
}
public TextAction getAction(String key) {
return this;
}
}