tdf#97635 Added unindentation using shift-tab (mimicked eclipse behavior)
Change-Id: Iaf64451c92f3465751032dde9c283141e548b3ca Reviewed-on: https://gerrit.libreoffice.org/72228 Tested-by: Jenkins Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>
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@ -45,6 +45,9 @@ import javax.swing.undo.UndoManager;
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import java.util.List;
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import java.util.ArrayList;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class PlainSourceView extends JScrollPane implements
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ScriptSourceView, DocumentListener {
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@ -171,6 +174,25 @@ public class PlainSourceView extends JScrollPane implements
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ta.addKeyListener(new KeyAdapter(){
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@Override
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public void keyReleased(KeyEvent ke){
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// if shift + tab was pressed, remove the first tab before any code begins
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if (ke.isShiftDown() && ke.getKeyCode() == KeyEvent.VK_TAB) {
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try {
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int caretOffset = ta.getCaretPosition();
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int lineOffset = ta.getLineOfOffset(caretOffset);
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int startOffset = ta.getLineStartOffset(lineOffset);
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int endOffset = ta.getLineEndOffset(lineOffset);
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Pattern pattern = Pattern.compile("^ *(\\t)");
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Matcher matcher = pattern.matcher(ta.getText(startOffset, endOffset - startOffset));
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if (matcher.find()) {
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ta.replaceRange(null, startOffset + matcher.start(1), startOffset + matcher.end(1));
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}
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} catch (BadLocationException e) {
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// could not find correct location of the tab
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}
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}
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if(ke.getKeyCode() == KeyEvent.VK_SPACE || ke.getKeyCode() == KeyEvent.VK_ENTER){
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compoundEdit.end();
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undoManager.addEdit(compoundEdit);
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