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backspace unindent handler from Python integrated into Ruby

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This commit is contained in:
Dmitry Jemerov
2008-09-03 15:40:05 +04:00
parent dee18688f8
commit d1d37e3562
1 changed files with 2 additions and 27 deletions
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python/src/com/jetbrains/python/editor/PythonBackspaceHandler.java
+2 -27
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@@ -1,11 +1,10 @@
package com.jetbrains.python.editor;
import com.intellij.codeInsight.editorActions.BackspaceHandler;
import com.intellij.codeInsight.editorActions.BackspaceHandlerDelegate;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.LogicalPosition;
import com.intellij.psi.PsiFile;
import com.intellij.psi.codeStyle.CodeStyleSettings;
import com.intellij.psi.codeStyle.CodeStyleSettingsManager;
import com.jetbrains.python.PythonFileType;
/**
@@ -15,32 +14,8 @@ public class PythonBackspaceHandler extends BackspaceHandlerDelegate {
private LogicalPosition myTargetPosition;
public void beforeCharDeleted(final char c, final PsiFile file, final Editor editor) {
myTargetPosition = null;
if (PythonFileType.INSTANCE != file.getFileType()) return;
if (editor.getSelectionModel().hasSelection() || editor.getSelectionModel().hasBlockSelection()) return;
LogicalPosition caretPos = editor.getCaretModel().getLogicalPosition();
if (caretPos.line == 1 || caretPos.column == 0) {
return;
}
int lineStartOffset = editor.getDocument().getLineStartOffset(caretPos.line);
int lineEndOffset = editor.getDocument().getLineEndOffset(caretPos.line);
CharSequence charSeq = editor.getDocument().getCharsSequence();
// smart backspace is activated only if all characters in the caret line
// are whitespace characters
for(int pos=lineStartOffset; pos<lineEndOffset; pos++) {
if (charSeq.charAt(pos) != '\t' && charSeq.charAt(pos) != ' ' &&
charSeq.charAt(pos) != '\n') {
return;
}
}
CodeStyleSettings settings = CodeStyleSettingsManager.getSettings(file.getProject());
int column = caretPos.column - settings.getIndentSize(PythonFileType.INSTANCE);
if (column < 0) column = 0;
myTargetPosition = new LogicalPosition(caretPos.line, column);
myTargetPosition = BackspaceHandler.getBackspaceUnindentPosition(file, editor);
}
public boolean charDeleted(final char c, final PsiFile file, final Editor editor) {