diff options
Diffstat (limited to 'bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/contentassist/CSSContentAssistContext.java')
| -rw-r--r-- | bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/contentassist/CSSContentAssistContext.java | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/contentassist/CSSContentAssistContext.java b/bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/contentassist/CSSContentAssistContext.java deleted file mode 100644 index afdb65e047..0000000000 --- a/bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/contentassist/CSSContentAssistContext.java +++ /dev/null @@ -1,402 +0,0 @@ -/***************************************************************************** - * Copyright (c) 2004 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.contentassist; - -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.wst.css.core.internal.metamodel.CSSMetaModel; -import org.eclipse.wst.css.core.internal.metamodel.util.CSSMetaModelFinder; -import org.eclipse.wst.css.core.internal.parserz.CSSRegionContexts; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSDocument; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSModel; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode; -import org.eclipse.wst.css.core.internal.util.CSSUtil; -import org.eclipse.wst.css.core.internal.util.RegionIterator; -import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion; -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; - -class CSSContentAssistContext { - - private int fReplaceBegin = -1; - private String fTextToReplace = null; - private String fTextToCompare = null; - private int fTargetPos = -1; - private ICSSNode fTargetNode = null; - private int fCursorPos = -1; - private IStructuredDocument fStructuredDocument = null; - private int fDocumentOffset = 0; - private char fQuote = 0; - private ICSSModel fModel = null; - - /** - * - */ - private CSSContentAssistContext() { - super(); - } - - /** - * - */ - CSSContentAssistContext(int documentPosition, ICSSNode node, int documentOffset, char quote) { - super(); - fCursorPos = documentPosition; - fDocumentOffset = documentOffset; - fQuote = quote; - initialize(node.getOwnerDocument()); - } - - /** - * @return int - */ - int getCursorPos() { - return fCursorPos; - } - - /** - * @return int - */ - int getDocumentOffset() { - return fDocumentOffset; - } - - IStructuredDocument getStructuredDocument() { - return fStructuredDocument; - } - - ICSSModel getModel() { - return fModel; - } - - private ICSSNode getNodeAt(int offset) { - return (ICSSNode) ((fModel != null) ? fModel.getIndexedRegion(offset) : null); - } - - /** - * - * @return char - */ - char getQuoteOfStyleAttribute() { - return fQuote; - } - - ITextRegion getRegionByOffset(int offset) { - ITextRegion region = null; - if (fStructuredDocument != null) { - IStructuredDocumentRegion flatNode = fStructuredDocument.getRegionAtCharacterOffset(offset); - if (flatNode != null) { - region = flatNode.getRegionAtCharacterOffset(offset); - } - } - return region; - } - - /** - * - */ - // String getRegionText() { - // ITextRegion targetRegion = getTargetRegion(); - // if (targetRegion != null) { - // return targetRegion.getText(); - // } else { - // return ""; //$NON-NLS-1$ - // } - // } - /** - * - */ - int getReplaceBegin() { - return fReplaceBegin; - } - - ICSSNode getTargetNode() { - return fTargetNode; - } - - private int getTargetPos() { - return fTargetPos; - } - - ITextRegion getTargetRegion() { - return getRegionByOffset(getTargetPos()); - } - - private IStructuredDocumentRegion getTargetDocumentRegion() { - return getDocumentRegionByOffset(getTargetPos()); - } - - private IStructuredDocumentRegion getDocumentRegionByOffset(int offset) { - return (fStructuredDocument != null) ? fStructuredDocument.getRegionAtCharacterOffset(offset) : null; - } - - ITextRegion getTargetRegionPrevious() { - ITextRegion previousRegion = null; - ITextRegion targetRegion = getTargetRegion(); - RegionIterator iterator = null; - if (targetRegion == null) { - if (0 < fCursorPos) { - iterator = new RegionIterator(fStructuredDocument, fCursorPos - 1); - } - } else { - iterator = getRegionIterator(); - if (iterator.hasPrev()) { - iterator.prev(); - } else { - iterator = null; - } - } - if (iterator != null) { - while (iterator.hasPrev()) { - ITextRegion region = iterator.prev(); - String type = region.getType(); - if (type != CSSRegionContexts.CSS_S && type != CSSRegionContexts.CSS_COMMENT && type != CSSRegionContexts.CSS_CDO && type != CSSRegionContexts.CSS_CDC) { - previousRegion = region; - break; - } - } - } - - return previousRegion; - } - - /** - * @return java.lang.String - */ - String getTextToCompare() { - return fTextToCompare; - } - - /** - * - */ - String getTextToReplace() { - return fTextToReplace; - } - - /** - * - */ - private void initialize(ICSSDocument doc) { - if (doc == null) { - return; - } - ICSSModel model = doc.getModel(); - fModel = model; - fStructuredDocument = model.getStructuredDocument(); - - initializeTargetPos(); - initializeTargetText(); - initializeTargetNode(); - } - - /** - * - */ - private void initializeTargetNode() { - if (fCursorPos == 0) { - fTargetNode = fModel.getDocument(); - return; - } - - // find edge of tree node - ICSSNode cursorNode = getNodeAt(fCursorPos); - if (cursorNode == null) { // end of document - cursorNode = fModel.getDocument(); - } - ICSSNode node = null; - IStructuredDocumentRegion flatNode = fStructuredDocument.getRegionAtCharacterOffset(fCursorPos - 1); - while (flatNode != null && (node = getNodeAt(flatNode.getStartOffset())) == cursorNode && ((IndexedRegion) node).getStartOffset() != flatNode.getStartOffset()) { - flatNode = flatNode.getPrevious(); - } - if (flatNode == null) { // top of document - fTargetNode = (node == null) ? fModel.getDocument() : node; - return; - } - // v<--| - // AAAAAA - // BBBBBBBBBB cursorNode:A , node:B -> target is A - if (cursorNode != null) { - for (ICSSNode parent = cursorNode.getParentNode(); parent != null; parent = parent.getParentNode()) { - if (parent == cursorNode) { - fTargetNode = cursorNode; - return; - } - } - } - // v<--| - // AAA - // BBBBBBBBBB cursorNode:B , node:A -> depend on A's node type - short nodeType = node.getNodeType(); - if (nodeType == ICSSNode.STYLEDECLITEM_NODE || nodeType == ICSSNode.CHARSETRULE_NODE || nodeType == ICSSNode.IMPORTRULE_NODE) { - String type = CSSUtil.getStructuredDocumentRegionType(flatNode); - if (type == CSSRegionContexts.CSS_DELIMITER || type == CSSRegionContexts.CSS_DECLARATION_DELIMITER) { - fTargetNode = node.getParentNode(); - } else { - fTargetNode = node; - } - // fTargetNode = (bOverSemiColon) ? node.getParentNode() : node; - } else if (CSSUtil.getStructuredDocumentRegionType(flatNode) == CSSRegionContexts.CSS_RBRACE) { - fTargetNode = node.getParentNode(); - } else { - fTargetNode = node; - } - - return; - } - - /** - * - */ - private void initializeTargetPos() { - if (fCursorPos == 0 || isSpecialDelimiterRegion(fCursorPos - 1)) { - fTargetPos = fCursorPos; - } else { - fTargetPos = fCursorPos - 1; - } - } - - /** - * - */ - private void initializeTargetText() { - ITextRegion targetRegion = getTargetRegion(); - IStructuredDocumentRegion documentRegion = getTargetDocumentRegion(); - if (targetRegion == null) { - fReplaceBegin = fCursorPos; - fTextToReplace = ""; //$NON-NLS-1$ - fTextToCompare = ""; //$NON-NLS-1$ - } else { - String regionText = documentRegion.getText(targetRegion); - int regionStart = documentRegion.getStartOffset(targetRegion); - if (regionStart == fCursorPos || regionText.trim().length() == 0 || regionStart + regionText.length() - 1 < fTargetPos) { - // to insertion - fReplaceBegin = fCursorPos; - fTextToReplace = ""; //$NON-NLS-1$ - fTextToCompare = ""; //$NON-NLS-1$ - } else { - // to replace - fReplaceBegin = regionStart; - fTextToReplace = regionText; - fTextToCompare = regionText.substring(0, fCursorPos - fReplaceBegin); - } - } - } - - /** - * - */ - private boolean isSpecialDelimiterRegion(int pos) { - ITextRegion region = getRegionByOffset(pos); - String type = region.getType(); - return (type == CSSRegionContexts.CSS_LBRACE || type == CSSRegionContexts.CSS_RBRACE || type == CSSRegionContexts.CSS_DELIMITER || type == CSSRegionContexts.CSS_DECLARATION_SEPARATOR || type == CSSRegionContexts.CSS_DECLARATION_DELIMITER || type == CSSRegionContexts.CSS_DECLARATION_VALUE_OPERATOR); - } - - /** - * - */ - boolean isTargetPosAfterOf(String regionType) { - int start = ((IndexedRegion) fTargetNode).getStartOffset(); - if (start < 0 || ((IndexedRegion) fTargetNode).getEndOffset() <= 0) { - return false; - } - - RegionIterator iRegion = new RegionIterator(fStructuredDocument, start); - while (iRegion.hasNext()) { - ITextRegion region = iRegion.next(); - if (fTargetPos < iRegion.getStructuredDocumentRegion().getTextEndOffset(region)) { - break; - } - if (region.getType() == regionType) { - return true; - } - } - - return false; - } - - /** - * - */ - boolean isTargetPosBeforeOf(String regionType) { - return !isTargetPosAfterOf(regionType); - } - - /** - * @return boolean - * @param regionType - * java.lang.String - */ - boolean targetFollows(String regionType) { - RegionIterator iRegion; - ITextRegion region = null; - if (fStructuredDocument.getLength() <= fTargetPos) { - iRegion = new RegionIterator(fStructuredDocument, fStructuredDocument.getLength() - 1); - } else { - iRegion = new RegionIterator(fStructuredDocument, fTargetPos); - try { - if (!Character.isWhitespace(fStructuredDocument.getChar(fTargetPos)) && iRegion.hasPrev()) { - region = iRegion.prev(); - } - } catch (BadLocationException e) { - iRegion = new RegionIterator(fStructuredDocument, fStructuredDocument.getLength() - 1); - } - } - while (iRegion.hasPrev()) { - region = iRegion.prev(); - String type = region.getType(); - if (type == CSSRegionContexts.CSS_S || type == CSSRegionContexts.CSS_COMMENT) { - continue; - } else { - break; - } - } - if (region != null && region.getType() == regionType) { - return true; - } else { - return false; - } - } - - /** - * - */ - boolean targetHas(String regionType) { - int start = ((IndexedRegion) fTargetNode).getStartOffset(); - int end = ((IndexedRegion) fTargetNode).getEndOffset(); - if (start < 0 || end <= 0) { - return false; - } - RegionIterator iRegion = new RegionIterator(fStructuredDocument, start); - while (iRegion.hasNext()) { - ITextRegion region = iRegion.next(); - if (end <= iRegion.getStructuredDocumentRegion().getStartOffset(region)) { - break; - } - if (region.getType() == regionType) { - return true; - } - } - return false; - } - - RegionIterator getRegionIterator() { - return new RegionIterator(getStructuredDocument(), getTargetPos()); - } - - /** - * - */ - CSSMetaModel getMetaModel() { - CSSMetaModelFinder finder = CSSMetaModelFinder.getInstance(); - return finder.findMetaModelFor(getModel()); - } -}
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