diff options
Diffstat (limited to 'bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/autoedit/StructuredAutoEditStrategyCSS.java')
| -rw-r--r-- | bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/autoedit/StructuredAutoEditStrategyCSS.java | 596 |
1 files changed, 0 insertions, 596 deletions
diff --git a/bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/autoedit/StructuredAutoEditStrategyCSS.java b/bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/autoedit/StructuredAutoEditStrategyCSS.java deleted file mode 100644 index 43e9c53d08..0000000000 --- a/bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/autoedit/StructuredAutoEditStrategyCSS.java +++ /dev/null @@ -1,596 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004, 2009 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.wst.css.ui.internal.autoedit; - -import org.eclipse.core.runtime.Preferences; -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.jface.text.DocumentCommand; -import org.eclipse.jface.text.IAutoEditStrategy; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.IRegion; -import org.eclipse.ui.IEditorPart; -import org.eclipse.ui.IWorkbenchPage; -import org.eclipse.ui.IWorkbenchWindow; -import org.eclipse.ui.PlatformUI; -import org.eclipse.ui.texteditor.ITextEditor; -import org.eclipse.ui.texteditor.ITextEditorExtension3; -import org.eclipse.wst.css.core.internal.CSSCorePlugin; -import org.eclipse.wst.css.core.internal.parserz.CSSRegionContexts; -import org.eclipse.wst.css.core.internal.preferences.CSSCorePreferenceNames; -import org.eclipse.wst.css.core.internal.util.RegionIterator; -import org.eclipse.wst.css.ui.internal.Logger; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; -import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion; - -public class StructuredAutoEditStrategyCSS implements IAutoEditStrategy { - protected IStructuredDocument structuredDocument = null; - - class CompoundRegion { - - /* textRegion can be null if the offset is at the end of the document */ - CompoundRegion(IStructuredDocumentRegion documentRegion, ITextRegion textRegion) { - super(); - this.documentRegion = documentRegion; - this.textRegion = textRegion; - } - - IStructuredDocumentRegion getDocumentRegion() { - return documentRegion; - } - - ITextRegion getTextRegion() { - return textRegion; - } - - int getStart() { - return (textRegion != null) ? textRegion.getStart() : documentRegion.getStart(); - } - - int getEnd() { - return (textRegion != null) ? textRegion.getEnd() : documentRegion.getEnd(); - } - - String getType() { - return (textRegion != null) ? textRegion.getType() : CSSRegionContexts.CSS_UNKNOWN; - } - - String getText() { - return (textRegion != null) ? documentRegion.getText(textRegion) : ""; //$NON-NLS-1$ - } - - int getStartOffset() { - return (textRegion != null) ? documentRegion.getStartOffset(textRegion) : documentRegion.getStartOffset(); - } - - int getEndOffset() { - return (textRegion != null) ? documentRegion.getEndOffset(textRegion) : documentRegion.getEndOffset(); - } - - private IStructuredDocumentRegion documentRegion; - private ITextRegion textRegion; - - } - - /** - */ - protected void autoIndentAfterClose(DocumentCommand command, String regionType) { - if (!setRangeForClose(command)) - return; - - int position = command.offset + command.length; - - if (position == -1 || structuredDocument.getLength() == 0) { - return; - } - - // get open brace region - CompoundRegion region = prevCorrespondence(position, regionType); - - // get indentation - String str = getIndentFor(region, false); - - // append to input - if (str != null) - command.text = str + command.text; - } - - /** - * Copies the indentation of the previous line. - */ - protected void autoIndentAfterNewLine(DocumentCommand command) { - // select nearest white spaces to replace with new-line - setRangeForNewLine(command); - - // get position - int position = command.offset; - - if (position == -1 || structuredDocument.getLength() == 0) { - return; - } - - // get current region - CompoundRegion currentRegion = getRegion(command.offset + command.length); - - // get key region - CompoundRegion keyRegion = getPrevKeyRegion(position, currentRegion); - - // get indent string - String str = getIndentFor(keyRegion, true); - - // check another indentation - int shift = needShift(keyRegion, command.offset + command.length); - - // create text to replace - StringBuffer buf = new StringBuffer(command.text); - if (str != null) - buf.append(str); - while (shift-- != 0) - buf.append(getIndentString()); - command.text = buf.toString(); - - } - - /** - */ - public void customizeDocumentCommand(IDocument document, DocumentCommand command) { - Object textEditor = getActiveTextEditor(); - if (!(textEditor instanceof ITextEditorExtension3 && ((ITextEditorExtension3) textEditor).getInsertMode() == ITextEditorExtension3.SMART_INSERT)) - return; - - // return; - // /* - structuredDocument = (IStructuredDocument) document; - - if (command.length == 0 && command.text != null) { - if (endsWith(document.getLegalLineDelimiters(), command.text) != -1) { - autoIndentAfterNewLine(command); - } else if (command.text.equals("}")) {//$NON-NLS-1$ - autoIndentAfterClose(command, CSSRegionContexts.CSS_RBRACE); - } else if (command.text.equals("]")) {//$NON-NLS-1$ - autoIndentAfterClose(command, CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_END); - } else if (command.text.equals(")")) {//$NON-NLS-1$ - autoIndentAfterClose(command, CSSRegionContexts.CSS_DECLARATION_VALUE_PARENTHESIS_CLOSE); - } - } - // */ - - // spaces for tab character - if (command.text != null && command.text.length() > 0 && command.text.charAt(0) == '\t') - smartInsertForTab(command, document); - } - - /** - */ - protected String getIndentFor(CompoundRegion region, boolean indentForNextRegion) { - if (region == null) - return null; - IStructuredDocumentRegion flatNode = region.getDocumentRegion(); - if (flatNode == null) - return null; - - try { - if (region.getType() == CSSRegionContexts.CSS_LBRACE || region.getType() == CSSRegionContexts.CSS_DELIMITER || region.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER) { - // get meanful flat node - RegionIterator it = new RegionIterator(flatNode, region.getTextRegion()); - it.prev(); - while (it.hasPrev()) { - ITextRegion r = it.prev(); - region = new CompoundRegion(it.getStructuredDocumentRegion(), r); - if (region.getType() != CSSRegionContexts.CSS_S) - break; - } - flatNode = region.getDocumentRegion(); - // get indent string - int position = flatNode.getStart(); - int line = structuredDocument.getLineOfOffset(position); - int start = structuredDocument.getLineOffset(line); - int end = findEndOfWhiteSpace(structuredDocument, start, position); - return structuredDocument.get(start, end - start); - } else if (region.getType() == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_START || - // region.getType() == CSSRegionContexts.CSS_PARENTHESIS_OPEN || - region.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION || region.getType() == CSSRegionContexts.CSS_DECLARATION_SEPARATOR) { - int position = flatNode.getStart() + region.getStart(); - int line = structuredDocument.getLineOfOffset(position); - int start = structuredDocument.getLineOffset(line); - int end = findEndOfWhiteSpace(structuredDocument, start, position); - StringBuffer buf = new StringBuffer(structuredDocument.get(start, end - start)); - position += region.getText().length(); - if (indentForNextRegion) { - int tokenStart = findEndOfWhiteSpace(structuredDocument, position, structuredDocument.getLineOffset(line) + structuredDocument.getLineLength(line) - 1); - if (tokenStart < structuredDocument.getLineOffset(line) + structuredDocument.getLineLength(line) - 1) { - position = tokenStart; - } - } - while (position - end > 0) { - buf.append(" ");//$NON-NLS-1$ - end++; - } - return buf.toString(); - } else - return "";//$NON-NLS-1$ - } catch (BadLocationException excp) { - Logger.logException(excp); - } - return null; - } - - /** - */ - protected CompoundRegion getPrevKeyRegion(int position, CompoundRegion currentRegion) { - if (currentRegion == null) { - if (structuredDocument.getLastStructuredDocumentRegion() == null) - return null; - } - - if (currentRegion != null && (currentRegion.getType() == CSSRegionContexts.CSS_RBRACE || currentRegion.getType() == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_END || currentRegion.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_PARENTHESIS_CLOSE)) { - return prevCorrespondence(currentRegion); - } - - RegionIterator it = new RegionIterator(structuredDocument, position - 1); - while (it.hasPrev()) { - ITextRegion r = it.prev(); - CompoundRegion region = new CompoundRegion(it.getStructuredDocumentRegion(), r); - if (region.getType() == CSSRegionContexts.CSS_LBRACE || - // region.getType() == CSSRegionContexts.CSS_RBRACE || - region.getType() == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_START || - // region.getType() == - // CSSRegionContexts.CSS_BRACKET_CLOSE || - // // region.getType() == - // CSSRegionContexts.CSS_PARENTHESIS_OPEN || - // region.getType() == - // CSSRegionContexts.CSS_PARENTHESIS_CLOSE || - region.getType() == CSSRegionContexts.CSS_DELIMITER || region.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER || - // region.getType() == CSSRegionContexts.CSS_COLON || - // region.getType() == CSSRegionContexts.CSS_COMMENT - // || - region.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION) { - return region; - } else if (region.getType() == CSSRegionContexts.CSS_RBRACE || region.getType() == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_END || region.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_PARENTHESIS_CLOSE) { - // skip to LBRACE - CompoundRegion pc = prevCorrespondence(region); - // guard for NPE - //https://bugs.eclipse.org/bugs/show_bug.cgi?id=111318 - if (pc == null) break; - it.reset(pc.getDocumentRegion(), pc.getTextRegion()); - it.prev(); - } else if (region.getType() == CSSRegionContexts.CSS_STRING) { - RegionIterator itTmp = new RegionIterator(structuredDocument, position); - if (region == itTmp.prev()) - return region; // position is inside of string - } else if (region.getType() == CSSRegionContexts.CSS_COMMENT) { - RegionIterator itTmp = new RegionIterator(structuredDocument, position); - if (region == itTmp.prev()) - return region; // position is inside of comment - } else if (region.getType() == CSSRegionContexts.CSS_UNKNOWN) { - String str = region.getText(); - if (str.charAt(str.length() - 1) == '\\') - return region; - } else if (region.getType() == CSSRegionContexts.CSS_DECLARATION_SEPARATOR) { - RegionIterator itPrev = new RegionIterator(region.getDocumentRegion(), region.getTextRegion()); - while (itPrev.hasPrev()) { - ITextRegion regionPrev = itPrev.prev(); - if (regionPrev.getType() == CSSRegionContexts.CSS_RBRACE) { - break; - } else if (regionPrev.getType() == CSSRegionContexts.CSS_DELIMITER || regionPrev.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER) { - return region; - } else if (regionPrev.getType() == CSSRegionContexts.CSS_LBRACE) { - while (itPrev.hasPrev()) { - regionPrev = itPrev.prev(); - if (regionPrev.getType() == CSSRegionContexts.CSS_MEDIA) - break; - if (regionPrev.getType() == CSSRegionContexts.CSS_LBRACE || regionPrev.getType() == CSSRegionContexts.CSS_RBRACE || regionPrev.getType() == CSSRegionContexts.CSS_DELIMITER || regionPrev.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER) - return region; - } - if (regionPrev.getType() == CSSRegionContexts.CSS_MEDIA) - break; - else - return region; - } - } - } - } - return null; - } - - /** - */ - protected CompoundRegion getRegion(int position) { - IStructuredDocumentRegion flatNode = structuredDocument.getRegionAtCharacterOffset(position); - if (flatNode != null) - return new CompoundRegion(flatNode, flatNode.getRegionAtCharacterOffset(position)); - return null; - } - - /** - */ - protected int needShift(CompoundRegion region, int position) { - int shift = 0; - if (region == null || region.getType() == CSSRegionContexts.CSS_DELIMITER || region.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER || region.getType() == CSSRegionContexts.CSS_LBRACE) { - // get non space region - CompoundRegion cr = getRegion(position - 1); - RegionIterator it = new RegionIterator(cr.getDocumentRegion(), cr.getTextRegion()); - ITextRegion nearestRegion = null; - while (it.hasPrev()) { - nearestRegion = it.prev(); - if (nearestRegion.getType() != CSSRegionContexts.CSS_S && nearestRegion.getType() != CSSRegionContexts.CSS_COMMENT) - break; - } - if (nearestRegion != null && (nearestRegion.getType() == CSSRegionContexts.CSS_LBRACE || nearestRegion.getType() == CSSRegionContexts.CSS_RBRACE || nearestRegion.getType() == CSSRegionContexts.CSS_DELIMITER || nearestRegion.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER)) - shift--; - else if (region == null) - shift--; - shift++; - } - if (region != null && region.getType() == CSSRegionContexts.CSS_LBRACE) { - RegionIterator it = new RegionIterator(structuredDocument, position); - if (!it.hasPrev() || it.prev().getType() != CSSRegionContexts.CSS_RBRACE) - shift++; - else - shift = 0; - } - return shift; - } - - /** - */ - protected CompoundRegion prevCorrespondence(int position, String regionType) { - RegionIterator it = new RegionIterator(structuredDocument, position - 1); - ITextRegion region = null; - int nest = 1; - if (regionType == CSSRegionContexts.CSS_RBRACE) { - // skip to LBRACE - while (it.hasPrev()) { - region = it.prev(); - if (region.getType() == CSSRegionContexts.CSS_LBRACE) - nest--; - else if (region.getType() == CSSRegionContexts.CSS_RBRACE) - nest++; - if (nest <= 0) - break; - } - if (nest == 0) - return new CompoundRegion(it.getStructuredDocumentRegion(), region); - } - if (regionType == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_END) { - // skip to BRACKET_OPEN - while (it.hasPrev()) { - region = it.prev(); - if (region.getType() == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_START) - nest--; - else if (region.getType() == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_END) - nest++; - if (nest <= 0) - break; - } - if (nest == 0) - return new CompoundRegion(it.getStructuredDocumentRegion(), region); - } - if (regionType == CSSRegionContexts.CSS_DECLARATION_VALUE_PARENTHESIS_CLOSE) { - // skip to PARENTHESIS_OPEN - while (it.hasPrev()) { - region = it.prev(); - if (// region.getType() == - // CSSRegionContexts.CSS_PARENTHESIS_OPEN || - region.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION) - nest--; - else if (region.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_PARENTHESIS_CLOSE) - nest++; - if (nest <= 0) - break; - } - if (nest == 0) - return new CompoundRegion(it.getStructuredDocumentRegion(), region); - } - return null; - } - - /** - */ - protected CompoundRegion prevCorrespondence(CompoundRegion region) { - if (region == null) - return null; - - IStructuredDocumentRegion flatNode = region.getDocumentRegion(); - int position = flatNode.getStart() + region.getStart(); - return prevCorrespondence(position, region.getType()); - } - - /** - * Insert the method's description here. - * - * @return boolean - * @param command - * org.eclipse.jface.text.DocumentCommand - */ - protected boolean setRangeForClose(DocumentCommand command) { - int position = command.offset; - - if (position == -1 || structuredDocument.getLength() == 0) { - return false; - } - - try { - // find start of line - int p = (position == structuredDocument.getLength() ? position - 1 : position); - - int line = structuredDocument.getLineOfOffset(p); - int start = structuredDocument.getLineOffset(line); - RegionIterator it = new RegionIterator(structuredDocument, start); - boolean allWhiteSpace = false; - // check whether the text from lStart to position is white space - // or not - while (it.hasNext()) { - ITextRegion region = it.next(); - if (region.getType() != CSSRegionContexts.CSS_S) - break; - if (it.getStructuredDocumentRegion().getEndOffset(region) > p) { - allWhiteSpace = true; - break; - } - } - if (allWhiteSpace) { - command.length = command.length - (start - command.offset); - command.offset = start; - return true; - } - } catch (BadLocationException excp) { - Logger.logException(excp); - } - return false; - } - - /** - */ - protected void setRangeForNewLine(DocumentCommand command) { - int position = command.offset; - - if (position == -1 || structuredDocument.getLength() == 0) { - return; - } - - try { - // add pre-nearest white spaces to replace target - if (position > 0) { - IStructuredDocumentRegion flatNode = structuredDocument.getRegionAtCharacterOffset(position - 1); - if (flatNode != null) { - ITextRegion region = flatNode.getRegionAtCharacterOffset(position - 1); - if (region.getType() == CSSRegionContexts.CSS_S) { - int end = command.offset + command.length; - int nLine = structuredDocument.getLineOfOffset(position); - int nStartPos = structuredDocument.getLineOffset(nLine); - if (nStartPos < flatNode.getStartOffset(region)) - nStartPos = flatNode.getStartOffset(region); - command.offset = nStartPos; - command.length = end - command.offset; - } - } - } - - // add post-nearest white spaces to replace target - if (position < structuredDocument.getLength()) { - IStructuredDocumentRegion flatNode = structuredDocument.getRegionAtCharacterOffset(position); - if (flatNode != null) { - ITextRegion region = flatNode.getRegionAtCharacterOffset(position); - if (region.getType() == CSSRegionContexts.CSS_S) { - int nLine = structuredDocument.getLineOfOffset(position); - String currentLineDelim = structuredDocument.getLineDelimiter(nLine); - int nEndPos = structuredDocument.getLineOffset(nLine) + structuredDocument.getLineLength(nLine) - ((currentLineDelim != null) ? currentLineDelim.length() : 0); - if (nEndPos > flatNode.getEndOffset(region)) - nEndPos = flatNode.getEndOffset(region); - command.length = nEndPos - command.offset; - } - } - } - } catch (BadLocationException e) { - // do not customize command - } - - } - - private static int endsWith(String[] searchStrings, String text) { - for (int i = 0; i < searchStrings.length; i++) { - if (text.endsWith(searchStrings[i])) - return i; - } - return -1; - } - - private static int findEndOfWhiteSpace(IDocument document, int offset, int end) throws BadLocationException { - while (offset < end) { - char c = document.getChar(offset); - if (c != ' ' && c != '\t') { - return offset; - } - offset++; - } - return end; - } - - - private String getIndentString() { - StringBuffer indent = new StringBuffer(); - - Preferences preferences = CSSCorePlugin.getDefault().getPluginPreferences(); - if (preferences != null) { - char indentChar = ' '; - String indentCharPref = preferences.getString(CSSCorePreferenceNames.INDENTATION_CHAR); - if (CSSCorePreferenceNames.TAB.equals(indentCharPref)) { - indentChar = '\t'; - } - int indentationWidth = preferences.getInt(CSSCorePreferenceNames.INDENTATION_SIZE); - - for (int i = 0; i < indentationWidth; i++) { - indent.append(indentChar); - } - } - return indent.toString(); - } - - /** - * Return the active text editor if possible, otherwise the active editor - * part. - * - * @return - */ - private Object getActiveTextEditor() { - IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); - if (window != null) { - IWorkbenchPage page = window.getActivePage(); - if (page != null) { - IEditorPart editor = page.getActiveEditor(); - if (editor != null) { - if (editor instanceof ITextEditor) - return editor; - ITextEditor textEditor = (ITextEditor) editor.getAdapter(ITextEditor.class); - if (textEditor != null) - return textEditor; - return editor; - } - } - } - return null; - } - - /** - * Insert spaces for tabs - * - * @param command - */ - private void smartInsertForTab(DocumentCommand command, IDocument document) { - // tab key was pressed. now check preferences to see if need to insert - // spaces instead of tab - Preferences preferences = CSSCorePlugin.getDefault().getPluginPreferences(); - if (CSSCorePreferenceNames.SPACE.equals(preferences.getString(CSSCorePreferenceNames.INDENTATION_CHAR))) { - int indentationWidth = preferences.getInt(CSSCorePreferenceNames.INDENTATION_SIZE); - - StringBuffer indent = new StringBuffer(); - if (indentationWidth != 0) { - int indentSize = indentationWidth; - try { - IRegion firstLine = document.getLineInformationOfOffset(command.offset); - int offsetInLine = command.offset - firstLine.getOffset(); - int remainder = offsetInLine % indentationWidth; - - indentSize = indentationWidth - remainder; - } catch (BadLocationException e) { - Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e); - } - - for (int i = 0; i < indentSize; i++) - indent.append(' '); - } - - // replace \t characters with spaces - command.text = indent.toString(); - } - } -} |