--- /dev/null
+/*
+ * Created on Oct 15, 2004
+ *
+ * The MIT License
+ * Copyright (c) 2004 Stephen Milligan
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the Software
+ * is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package net.sourceforge.phpeclipse.phpeditor.actions;
+
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.ITextSelection;
+import org.eclipse.jface.text.TextSelection;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.ui.IEditorActionDelegate;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.texteditor.ITextEditor;
+
+/**
+ * @author Stephen Milligan
+ */
+public class RTrimAction implements IEditorActionDelegate {
+
+ ITextEditor editor = null;
+
+ /**
+ *
+ */
+ public RTrimAction() {
+ super();
+ }
+
+ public void setActiveEditor(IAction action, IEditorPart targetEditor) {
+
+ if (targetEditor instanceof ITextEditor) {
+ editor = (ITextEditor) targetEditor;
+ }
+ }
+
+ /**
+ * this gets called for every action
+ */
+ public void run(IAction action) {
+ IDocument doc = editor.getDocumentProvider().getDocument(
+ editor.getEditorInput());
+ ITextSelection sel = (ITextSelection) editor.getSelectionProvider()
+ .getSelection();
+
+ int currentLine = 0;
+ int originalCursorOffset = sel.getOffset();
+ int cursorOffset = originalCursorOffset;
+ int originalSelectionLength = sel.getLength();
+ int selectionLength = originalSelectionLength;
+ String oldText;
+ int lineEnd;
+
+ try {
+
+ while (currentLine < doc.getNumberOfLines()) {
+ int offset = doc.getLineOffset(currentLine);
+ int length = doc.getLineLength(currentLine);
+ oldText = doc.get(offset, length);
+ String lineDelimiter = doc.getLineDelimiter(currentLine);
+ if (lineDelimiter == null) lineDelimiter = "";
+
+ // -- Starts at the end of the line, looking for the first
+ // non-first 'white space'
+ // -- it then breaks out. No point in carrying on, as we have
+ // found our true line end
+ for (lineEnd = oldText.length() - lineDelimiter.length(); lineEnd > 0; --lineEnd) {
+ if (oldText.charAt(lineEnd - 1) != '\t'
+ && oldText.charAt(lineEnd - 1) != ' ') {
+ break;
+ }
+ }
+
+ // -- Only replace the line if the lengths are different
+ if (lineEnd != oldText.length() - lineDelimiter.length()) {
+ String newText = oldText.substring(0, lineEnd) + lineDelimiter;
+ doc.replace(offset, length, newText);
+
+// if (offset + length <= cursorOffset) {
+// if (oldText.length() != newText.length()) {
+// cursorOffset -= oldText.length() - newText.length();
+// }
+// } else if (offset <= cursorOffset + selectionLength
+// && selectionLength > 0) {
+// selectionLength -= oldText.length() - newText.length();
+// } else if (offset + length == cursorOffset + 2) {
+// // Check if the cursor is at the end of the line.
+// cursorOffset -= 2;
+// }
+
+ int oldEndOffset = offset + length - lineDelimiter.length();
+ int newEndOffset = offset + lineEnd;
+
+ if (cursorOffset >= oldEndOffset) {
+ cursorOffset -= oldText.length() - newText.length();
+ } else if (cursorOffset >= newEndOffset) {
+ cursorOffset = newEndOffset;
+ }
+ if (selectionLength > 0) {
+ int selectionEndOffset = cursorOffset + selectionLength;
+ if (selectionEndOffset >= oldEndOffset) {
+ if (cursorOffset <= newEndOffset) {
+ // full overlap
+ selectionLength -= oldText.length() - newText.length();
+ } else {
+ // starts inside
+ selectionLength -= oldEndOffset - cursorOffset;
+ }
+ } else if (selectionEndOffset >= newEndOffset) {
+ if (cursorOffset <= newEndOffset) {
+ // ends inside
+ selectionLength -= selectionEndOffset - newEndOffset;
+ } else {
+ // full inside
+ selectionLength = 0;
+ }
+ }
+ }
+ }
+ currentLine++;
+ }
+
+ TextSelection selection = new TextSelection(doc, cursorOffset,
+ selectionLength);
+ editor.getSelectionProvider().setSelection(selection);
+ } catch (Exception blx) {
+ blx.printStackTrace();
+ }
+ }
+
+ public void selectionChanged(IAction action, ISelection selection) {
+ }
+}
\ No newline at end of file
git://secure.phpeclipse.com / phpeclipse.git / blobdiff