-package jp.sourceforge.moreemacs.handlers;\r
-\r
-import java.util.List;\r
-\r
-import jp.sourceforge.moreemacs.utils.CodePointIterator;\r
-import jp.sourceforge.moreemacs.utils.ColumnUtils;\r
-import jp.sourceforge.moreemacs.utils.DocumentCharSequence;\r
-import jp.sourceforge.moreemacs.utils.DocumentTransaction;\r
-\r
-import org.eclipse.jface.text.BadLocationException;\r
-import org.eclipse.jface.text.IDocument;\r
-import org.eclipse.jface.text.IRegion;\r
-import org.eclipse.jface.text.TextUtilities;\r
-\r
-public final class YankRectangleExecution extends TextEditorExecution {\r
- @Override\r
- public void execute() throws BadLocationException {\r
- if(!textEditor.isEditable()) {\r
- return;\r
- }\r
- \r
- List<String> rectangle = RectangleStorage.getRectangle();\r
- if(rectangle == null) {\r
- return;\r
- }\r
- \r
- int current = cursor.offset();\r
- int row = doc.getLineOfOffset(current);\r
- int column = ColumnUtils.getColumn(doc, current, getTabStop());\r
- \r
-\r
- int offset = cursor.offset();\r
- DocumentTransaction transaction = new DocumentTransaction(doc); \r
- transaction.begin();\r
- try {\r
- ensureLines(doc, row + rectangle.size());\r
- offset = yankRectangle(doc, row, column, rectangle);\r
- } finally {\r
- transaction.end();\r
- }\r
- cursor.move(offset);\r
- }\r
- \r
- private void ensureLines(IDocument doc, int lines) throws BadLocationException {\r
- int n = lines - doc.getNumberOfLines();\r
- if(n <= 0) {\r
- return;\r
- }\r
-\r
- StringBuilder builder = new StringBuilder();\r
- String delim = TextUtilities.getDefaultLineDelimiter(doc);\r
- for(int i = 0; i < n; i++) {\r
- builder.append(delim);\r
- }\r
- doc.replace(doc.getLength(), 0, builder.toString());\r
- \r
- }\r
-\r
- private int yankRectangle(IDocument doc,\r
- int row, int column, List<String> rectangle)\r
- throws BadLocationException {\r
- int offset = cursor.offset();\r
- for(int i = 0; i < rectangle.size(); i++) {\r
- offset = yankString(doc, row+i, column, rectangle.get(i));\r
- }\r
- return offset;\r
- }\r
-\r
- private int yankString(IDocument doc, int row, int column, String str)\r
- throws BadLocationException\r
- {\r
- IRegion line = doc.getLineInformation(row);\r
- int col = 0;\r
-\r
- CharSequence seq = new DocumentCharSequence(doc, line.getOffset(), line.getLength());\r
- \r
- for(CodePointIterator itr = new CodePointIterator(seq); itr.hasNext(); ) {\r
- int offset = line.getOffset() + itr.index();\r
- int codePoint = itr.next();\r
- if(col >= column) {\r
- doc.replace(offset, 0, str);\r
- return offset+str.length();\r
- }\r
- col = ColumnUtils.getNextColumn(col, codePoint, getTabStop());\r
- }\r
- \r
-\r
- StringBuilder builder = new StringBuilder();\r
- for(int i = 0; i < column-col; i++) {\r
- builder.append(" ");\r
- }\r
- builder.append(str);\r
- doc.replace(line.getOffset()+line.getLength(), 0, builder.toString());\r
- return line.getOffset()+line.getLength()+builder.length();\r
- }\r
-}\r
+package jp.sourceforge.moreemacs.handlers;
+
+import java.util.List;
+
+import jp.sourceforge.moreemacs.utils.CodePointIterator;
+import jp.sourceforge.moreemacs.utils.ColumnUtils;
+import jp.sourceforge.moreemacs.utils.DocumentCharSequence;
+import jp.sourceforge.moreemacs.utils.DocumentTransaction;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.TextUtilities;
+
+public final class YankRectangleExecution extends TextEditorExecution {
+ @Override
+ public void execute() throws BadLocationException {
+ if(!textEditor.isEditable()) {
+ return;
+ }
+
+ List<String> rectangle = RectangleStorage.getRectangle();
+ if(rectangle == null) {
+ return;
+ }
+
+ int current = cursor.offset();
+ int row = doc.getLineOfOffset(current);
+ int column = ColumnUtils.getColumn(doc, current, getTabStop());
+
+
+ int offset = cursor.offset();
+ DocumentTransaction transaction = new DocumentTransaction(doc);
+ transaction.begin();
+ try {
+ ensureLines(doc, row + rectangle.size());
+ offset = yankRectangle(doc, row, column, rectangle);
+ } finally {
+ transaction.end();
+ }
+ cursor.move(offset);
+ }
+
+ private void ensureLines(IDocument doc, int lines) throws BadLocationException {
+ int n = lines - doc.getNumberOfLines();
+ if(n <= 0) {
+ return;
+ }
+
+ StringBuilder builder = new StringBuilder();
+ String delim = TextUtilities.getDefaultLineDelimiter(doc);
+ for(int i = 0; i < n; i++) {
+ builder.append(delim);
+ }
+ doc.replace(doc.getLength(), 0, builder.toString());
+
+ }
+
+ private int yankRectangle(IDocument doc,
+ int row, int column, List<String> rectangle)
+ throws BadLocationException {
+ int offset = cursor.offset();
+ for(int i = 0; i < rectangle.size(); i++) {
+ offset = yankString(doc, row+i, column, rectangle.get(i));
+ }
+ return offset;
+ }
+
+ private int yankString(IDocument doc, int row, int column, String str)
+ throws BadLocationException
+ {
+ IRegion line = doc.getLineInformation(row);
+ int col = 0;
+
+ CharSequence seq = new DocumentCharSequence(doc, line.getOffset(), line.getLength());
+
+ for(CodePointIterator itr = new CodePointIterator(seq); itr.hasNext(); ) {
+ int offset = line.getOffset() + itr.index();
+ int codePoint = itr.next();
+ if(col >= column) {
+ doc.replace(offset, 0, str);
+ return offset+str.length();
+ }
+ col = ColumnUtils.getNextColumn(col, codePoint, getTabStop());
+ }
+
+
+ StringBuilder builder = new StringBuilder();
+ for(int i = 0; i < column-col; i++) {
+ builder.append(" ");
+ }
+ builder.append(str);
+ doc.replace(line.getOffset()+line.getLength(), 0, builder.toString());
+ return line.getOffset()+line.getLength()+builder.length();
+ }
+}
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