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Diffstat (limited to 'bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/ReadOnlyController.java')
-rw-r--r--bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/ReadOnlyController.java343
1 files changed, 0 insertions, 343 deletions
diff --git a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/ReadOnlyController.java b/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/ReadOnlyController.java
deleted file mode 100644
index f80e718468..0000000000
--- a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/ReadOnlyController.java
+++ /dev/null
@@ -1,343 +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.core.internal.document;
-
-
-
-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;
-import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList;
-import org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMText;
-import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;
-import org.w3c.dom.Node;
-
-
-class ReadOnlyController {
-
- class Span {
- int length;
- int offset;
-
- Span(int offset, int length) {
- this.offset = offset;
- this.length = length;
- }
- }
-
- private static ReadOnlyController fInstance;
-
- static synchronized ReadOnlyController getInstance() {
- if (fInstance == null) {
- fInstance = new ReadOnlyController();
- }
- return fInstance;
- }
-
- static private void lock(IStructuredDocument doc, int offset, int length, boolean canInsertBefore, boolean canInsertAfter) {
- if (doc == null) {
- return;
- }
- if (doc instanceof BasicStructuredDocument) {
- ((BasicStructuredDocument)doc).makeReadOnly(offset, length, canInsertBefore, canInsertAfter);
- } else {
- doc.makeReadOnly(offset, length);
- }
- }
-
- static private void lock(IStructuredDocumentRegion node, boolean canInsertBefore, boolean canInsertAfter) {
- if (node == null) {
- return;
- }
- IStructuredDocument doc = node.getParentDocument();
- if (doc == null) {
- return;
- }
- if (doc instanceof BasicStructuredDocument) {
- ((BasicStructuredDocument)doc).makeReadOnly(node.getStart(), node.getLength(), canInsertBefore, canInsertAfter);
- } else {
- doc.makeReadOnly(node.getStart(), node.getLength());
- }
- }
-
- static private void unlock(IStructuredDocumentRegion node) {
- if (node == null) {
- return;
- }
- IStructuredDocument doc = node.getParentDocument();
- if (doc == null) {
- return;
- }
- doc.clearReadOnly(node.getStart(), node.getLength());
- }
-
- private ReadOnlyController() {
- super();
- }
-
- private Span getDataSpan(IDOMNode node) {
- switch (node.getNodeType()) {
- case Node.ELEMENT_NODE :
- return getDataSpanForElement((IDOMElement) node);
- case Node.TEXT_NODE :
- return getDataSpanForText((IDOMText) node);
- default :
- return new Span(0, -1);
- }
- }
-
- private Span getDataSpanForElement(IDOMElement node) {
- IStructuredDocumentRegion docRegion = node.getStartStructuredDocumentRegion();
- if (docRegion == null) {
- return new Span(0, -1);
- }
-
- ITextRegionList regions = docRegion.getRegions();
- if (regions == null) {
- return new Span(0, -1);
- }
-
- String startType;
- String endType;
- if (node.isCommentTag()) {
- startType = DOMRegionContext.XML_COMMENT_OPEN;
- endType = DOMRegionContext.XML_COMMENT_CLOSE;
- } else {
- startType = DOMRegionContext.XML_TAG_NAME;
- endType = DOMRegionContext.XML_TAG_CLOSE;
- }
-
- int startOffset = -1;
- int endOffset = -1;
- ITextRegion prevRegion = null;
- ITextRegion region;
- for (int i = 0; i < regions.size(); i++) {
- region = regions.get(i);
- String type = region.getType();
- if (type == startType) {
- startOffset = region.getEnd();
- } else if (type == endType && prevRegion != null) {
- endOffset = prevRegion.getTextEnd();
- }
- prevRegion = region;
- }
-
- if (0 <= startOffset && 0 <= endOffset) {
- return new Span(startOffset, endOffset - startOffset);
- } else {
- return new Span(0, -1);
- }
- }
-
- private Span getDataSpanForText(IDOMText node) {
- IStructuredDocumentRegion docRegion = ((NodeImpl) node).getStructuredDocumentRegion();
- if (docRegion == null) {
- return new Span(0, -1);
- }
- return new Span(0, docRegion.getLength());
- }
-
- /**
- * This method is used from parent's setChildEditable()
- *
- * case 1:<parent><node attr="value"/> <node2></parent>
- * x####################x case 2:<parent><node attr="value"> <child>
- * </child> </node> </parent> x###################? ?#######x (? :
- * editable if node.isEditable() == true)
- */
- void lockBoth(IDOMNode node) {
- if (node == null) {
- return;
- }
-
- IStructuredDocumentRegion flatNode;
- boolean canInsert = false;
-
- // end node (element)
- if (node.getNodeType() == Node.ELEMENT_NODE) {
- flatNode = node.getEndStructuredDocumentRegion();
- if (flatNode != null) {
- canInsert = node.isChildEditable();
- lock(flatNode, canInsert, false);
- }
- }
- // start node
- flatNode = node.getStartStructuredDocumentRegion();
- if (flatNode != null) {
- lock(flatNode, false, canInsert);
- }
- }
-
- void lockData(IDOMNode node) {
- if (node == null) {
- return;
- }
-
- Span span = getDataSpan(node);
- if (0 <= span.length) {
- lock(node.getModel().getStructuredDocument(), node.getStartOffset() + span.offset, span.length, false, false);
- }
- }
-
- /**
- * lock itself and all descendants
- */
- void lockDeep(IDOMNode node) {
- if (node == null) {
- return;
- }
-
- int offset = node.getStartOffset();
- int length = node.getEndOffset() - offset;
-
- boolean canInsert = true;
- IDOMNode parent = (IDOMNode) node.getParentNode();
- if (parent != null && !parent.isChildEditable()) {
- canInsert = false;
- }
- lock(node.getStructuredDocument(), offset, length, canInsert, canInsert);
- }
-
- /**
- * This method is used from parent's setChildEditable()
- *
- * case 1:<parent><node attr="value"/> <node2></parent> x######x x##x
- * case 2:<parent><node attr="value"> <child></child> </node> </parent>
- * x######x x#? ?#######x (? : editable if node.isEditable() == true)
- */
- void lockNode(IDOMNode node) {
- if (node == null) {
- return;
- }
- if (!node.isDataEditable()) {
- lockBoth(node);
- return;
- }
-
- IStructuredDocumentRegion flatNode;
- boolean canInsert = false;
-
- // end node (element)
- if (node.getNodeType() == Node.ELEMENT_NODE) {
- flatNode = node.getEndStructuredDocumentRegion();
- if (flatNode != null) {
- canInsert = node.isChildEditable();
- lock(flatNode, canInsert, false);
- }
- }
- // start node
- flatNode = node.getStartStructuredDocumentRegion();
- if (flatNode != null) {
- Span span = getDataSpan(node);
- if (0 <= span.length) {
- IStructuredDocument structuredDocument = flatNode.getParentDocument();
- int offset, length;
- offset = flatNode.getStart();
- length = span.offset;
- lock(structuredDocument, offset, length, false, false);
- offset = offset + span.offset + span.length;
- length = flatNode.getEnd() - offset;
- lock(structuredDocument, offset, length, canInsert, false);
- } else {
- lock(flatNode, false, canInsert);
- }
- }
- }
-
- private void unlock(IStructuredDocument doc, int offset, int length) {
- if (doc == null) {
- return;
- }
- doc.clearReadOnly(offset, length);
- }
-
- void unlockBoth(IDOMNode node) {
- if (node == null) {
- return;
- }
-
- IStructuredDocumentRegion flatNode;
- // start node
- flatNode = node.getStartStructuredDocumentRegion();
- if (flatNode != null) {
- unlock(flatNode);
- }
- // end node
- flatNode = node.getEndStructuredDocumentRegion();
- if (flatNode != null) {
- unlock(flatNode);
- }
- }
-
- void unlockData(IDOMNode node) {
- if (node == null) {
- return;
- }
-
- Span span = getDataSpan(node);
- if (0 <= span.length) {
- unlock(node.getModel().getStructuredDocument(), span.offset, span.length);
- }
- }
-
- void unlockDeep(IDOMNode node) {
- if (node == null) {
- return;
- }
-
- int offset = node.getStartOffset();
- int length = node.getEndOffset() - offset;
-
- unlock(node.getStructuredDocument(), offset, length);
- }
-
- void unlockNode(IDOMNode node) {
- if (node == null) {
- return;
- }
-
- IStructuredDocumentRegion flatNode;
- // end node
- if (node.getNodeType() == Node.ELEMENT_NODE) {
- flatNode = node.getEndStructuredDocumentRegion();
- if (flatNode != null) {
- unlock(flatNode);
- }
- }
-
- // start node
- flatNode = node.getStartStructuredDocumentRegion();
- if (flatNode != null) {
- if (node.isDataEditable()) {
- unlock(flatNode);
- } else {
- Span span = getDataSpan(node);
- if (span.length <= 0) {
- unlock(flatNode);
- } else {
- IStructuredDocument structuredDocument = flatNode.getParentDocument();
- int offset, length;
- offset = flatNode.getStart();
- length = span.offset - offset;
- unlock(structuredDocument, offset, length);
- offset = span.offset + span.length;
- length = flatNode.getEnd() - span.offset;
- unlock(structuredDocument, offset, length);
- }
- }
- }
- }
-}

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