diff options
Diffstat (limited to 'bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/doubleclick/XMLDoubleClickStrategy.java')
| -rw-r--r-- | bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/doubleclick/XMLDoubleClickStrategy.java | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/doubleclick/XMLDoubleClickStrategy.java b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/doubleclick/XMLDoubleClickStrategy.java deleted file mode 100644 index 4d35d879f3..0000000000 --- a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/doubleclick/XMLDoubleClickStrategy.java +++ /dev/null @@ -1,324 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2006 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 - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ -package org.eclipse.wst.xml.ui.internal.doubleclick; - -import org.eclipse.jface.text.DefaultTextDoubleClickStrategy; -import org.eclipse.jface.text.ITextViewer; -import org.eclipse.swt.graphics.Point; -import org.eclipse.wst.sse.core.StructuredModelManager; -import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; -import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion; -import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; -import org.w3c.dom.Node; - - -public class XMLDoubleClickStrategy extends DefaultTextDoubleClickStrategy { - protected static final char DOUBLE_QUOTE = '\"'; - protected static final char SINGLE_QUOTE = '\''; - protected static final char SPACE = ' '; - protected int fCaretPosition = -1; - protected int fDoubleClickCount = 0; - protected Node fNode = null; - protected IStructuredDocumentRegion fStructuredDocumentRegion = null; - protected String fStructuredDocumentRegionText = ""; //$NON-NLS-1$ - protected IStructuredModel fStructuredModel = null; - protected ITextViewer fTextViewer; - protected ITextRegion fTextRegion = null; - - public void doubleClicked(ITextViewer textViewer) { - fTextViewer = textViewer; - try { - fStructuredModel = StructuredModelManager.getModelManager().getExistingModelForRead(fTextViewer.getDocument()); - - if (fStructuredModel != null) { - int caretPosition = textViewer.getSelectedRange().x; - if (caretPosition < 0) { - return; - } - - fNode = (Node) fStructuredModel.getIndexedRegion(caretPosition); - if (fNode == null) { - return; - } - - updateDoubleClickCount(caretPosition); - updateStructuredDocumentRegion(); - updateTextRegion(); - - if (fNode.getNodeType() == Node.TEXT_NODE) { - processTextDoubleClicked(); - } - else { - processElementDoubleClicked(); - } - } - } - finally { - if (fStructuredModel != null) { - fStructuredModel.releaseFromRead(); - } - } - } - - protected Point getWord(String string, int cursor) { - if (string == null) { - return null; - } - - int wordStart = 0; - int wordEnd = string.length(); - - wordStart = string.lastIndexOf(SPACE, cursor - 1); - int temp = string.lastIndexOf(SINGLE_QUOTE, cursor - 1); - wordStart = Math.max(wordStart, temp); - temp = string.lastIndexOf(DOUBLE_QUOTE, cursor - 1); - wordStart = Math.max(wordStart, temp); - if (wordStart == -1) { - wordStart = cursor; - } - else { - wordStart++; - } - - wordEnd = string.indexOf(SPACE, cursor); - if (wordEnd == -1) { - wordEnd = string.length(); - } - temp = string.indexOf(SINGLE_QUOTE, cursor); - if (temp == -1) { - temp = string.length(); - } - wordEnd = Math.min(wordEnd, temp); - temp = string.indexOf(DOUBLE_QUOTE, cursor); - if (temp == -1) { - temp = string.length(); - } - wordEnd = Math.min(wordEnd, temp); - if (wordEnd == string.length()) { - wordEnd = cursor; - } - - if ((wordStart == wordEnd) && !isQuoted(string)) { - wordStart = 0; - wordEnd = string.length(); - } - - return new Point(wordStart, wordEnd); - } - - protected boolean isQuoted(String string) { - if ((string == null) || (string.length() < 2)) { - return false; - } - - int lastIndex = string.length() - 1; - char firstChar = string.charAt(0); - char lastChar = string.charAt(lastIndex); - - return (((firstChar == SINGLE_QUOTE) && (lastChar == SINGLE_QUOTE)) || ((firstChar == DOUBLE_QUOTE) && (lastChar == DOUBLE_QUOTE))); - } - - protected void processElementAttrEqualsDoubleClicked2Times() { - int prevRegionOffset = fStructuredDocumentRegion.getStartOffset(fTextRegion) - 1; - ITextRegion prevRegion = fStructuredDocumentRegion.getRegionAtCharacterOffset(prevRegionOffset); - int nextRegionOffset = fStructuredDocumentRegion.getEndOffset(fTextRegion); - ITextRegion nextRegion = fStructuredDocumentRegion.getRegionAtCharacterOffset(nextRegionOffset); - - if ((prevRegion != null) && (prevRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME) && (nextRegion != null) && (nextRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE)) { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStartOffset(prevRegion), nextRegion.getTextEnd() - prevRegion.getStart()); - } - } - - protected void processElementAttrNameDoubleClicked2Times() { - int nextRegionOffset = fStructuredDocumentRegion.getEndOffset(fTextRegion); - ITextRegion nextRegion = fStructuredDocumentRegion.getRegionAtCharacterOffset(nextRegionOffset); - - if (nextRegion != null) { - nextRegionOffset = fStructuredDocumentRegion.getEndOffset(nextRegion); - nextRegion = fStructuredDocumentRegion.getRegionAtCharacterOffset(nextRegionOffset); - if ((nextRegion != null) && (nextRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE)) { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStartOffset(fTextRegion), nextRegion.getTextEnd() - fTextRegion.getStart()); - } - else { - // attribute has no value - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStart(), fStructuredDocumentRegion.getLength()); - fDoubleClickCount = 0; - } - } - } - - protected void processElementAttrValueDoubleClicked() { - String regionText = fStructuredDocumentRegion.getText(fTextRegion); - - if (fDoubleClickCount == 1) { - Point word = getWord(regionText, fCaretPosition - fStructuredDocumentRegion.getStartOffset(fTextRegion)); - if (word.x == word.y) { // no word found; select whole region - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStartOffset(fTextRegion), regionText.length()); - fDoubleClickCount++; - } - else { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStartOffset(fTextRegion) + word.x, word.y - word.x); - } - } - else if (fDoubleClickCount == 2) { - if (isQuoted(regionText)) { - // ==> // Point word = getWord(regionText, fCaretPosition - - // fStructuredDocumentRegion.getStartOffset(fTextRegion)); - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStartOffset(fTextRegion), regionText.length()); - } - else { - processElementAttrValueDoubleClicked2Times(); - } - } - else if (fDoubleClickCount == 3) { - if (isQuoted(regionText)) { - processElementAttrValueDoubleClicked2Times(); - } - else { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStart(), fStructuredDocumentRegion.getLength()); - fDoubleClickCount = 0; - } - } - else { // fDoubleClickCount == 4 - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStart(), fStructuredDocumentRegion.getLength()); - fDoubleClickCount = 0; - } - } - - protected void processElementAttrValueDoubleClicked2Times() { - int prevRegionOffset = fStructuredDocumentRegion.getStartOffset(fTextRegion) - 1; - ITextRegion prevRegion = fStructuredDocumentRegion.getRegionAtCharacterOffset(prevRegionOffset); - - if (prevRegion != null) { - prevRegionOffset = fStructuredDocumentRegion.getStartOffset(prevRegion) - 1; - prevRegion = fStructuredDocumentRegion.getRegionAtCharacterOffset(prevRegionOffset); - if ((prevRegion != null) && (prevRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME)) { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStartOffset(prevRegion), fTextRegion.getTextEnd() - prevRegion.getStart()); - } - } - } - - protected void processElementDoubleClicked() { - if (fTextRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) { - processElementAttrValueDoubleClicked(); // special handling for - } - else { - if (fDoubleClickCount == 1) { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStart() + fTextRegion.getStart(), fTextRegion.getTextLength()); - } - else if (fDoubleClickCount == 2) { - if (fTextRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME) { - processElementAttrNameDoubleClicked2Times(); - } - else if (fTextRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_EQUALS) { - processElementAttrEqualsDoubleClicked2Times(); - } - else { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStart(), fStructuredDocumentRegion.getLength()); - fDoubleClickCount = 0; - } - } - else { // fDoubleClickCount == 3 - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStart(), fStructuredDocumentRegion.getLength()); - fDoubleClickCount = 0; - } - } - } - - protected void processTextDoubleClicked() { - if (fDoubleClickCount == 1) { - super.doubleClicked(fTextViewer); - - Point selectedRange = fTextViewer.getSelectedRange(); - if ((selectedRange.x == fStructuredDocumentRegion.getStartOffset(fTextRegion)) && (selectedRange.y == fTextRegion.getTextLength())) { - // only one word in region, skip one level of double click - // selection - fDoubleClickCount++; - } - } - else if (fDoubleClickCount == 2) { - if (fTextRegion.getType() == DOMRegionContext.UNDEFINED) { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStart(), fStructuredDocumentRegion.getLength()); - fDoubleClickCount = 0; - } - else { - if (isQuoted(fStructuredDocumentRegion.getFullText(fTextRegion))) { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStartOffset(fTextRegion) + 1, fTextRegion.getTextLength() - 2); - } - else { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStartOffset(fTextRegion), fTextRegion.getTextLength()); - } - } - } - else { - if ((fDoubleClickCount == 3) && isQuoted(fStructuredDocumentRegion.getFullText(fTextRegion))) { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStartOffset(fTextRegion), fTextRegion.getTextLength()); - } - else { - if ((fDoubleClickCount == 3) && isQuoted(fStructuredDocumentRegionText)) { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStart() + 1, fStructuredDocumentRegion.getLength() - 2); - } - else { - fTextViewer.setSelectedRange(fStructuredDocumentRegion.getStart(), fStructuredDocumentRegion.getLength()); - fDoubleClickCount = 0; - } - } - } - } - - public void setModel(IStructuredModel structuredModel) { - fStructuredModel = structuredModel; - } - - protected void updateDoubleClickCount(int caretPosition) { - if (fCaretPosition == caretPosition) { - if (fStructuredDocumentRegion != null) { - fDoubleClickCount++; - } - else { - fDoubleClickCount = 1; - } - } - else { - fCaretPosition = caretPosition; - fDoubleClickCount = 1; - } - } - - protected void updateStructuredDocumentRegion() { - fStructuredDocumentRegion = fStructuredModel.getStructuredDocument().getRegionAtCharacterOffset(fCaretPosition); - if (fStructuredDocumentRegion != null) { - fStructuredDocumentRegionText = fStructuredDocumentRegion.getText(); - } - else { - fStructuredDocumentRegionText = ""; //$NON-NLS-1$ - } - } - - protected void updateTextRegion() { - if (fStructuredDocumentRegion != null) { - fTextRegion = fStructuredDocumentRegion.getRegionAtCharacterOffset(fCaretPosition); - // if fTextRegion is null, it means we are at just past the last - // fStructuredDocumentRegion, - // at the very end of the document, so we'll use the last text - // region in the document - if (fTextRegion == null) { - fTextRegion = fStructuredDocumentRegion.getRegionAtCharacterOffset(fCaretPosition - 1); - } - } - else { - fTextRegion = null; - } - } -} |