Author: yradtsevich Date: 2010-04-21 05:31:44 -0400 (Wed, 21 Apr 2010) New Revision: 21575 Modified: trunk/vpe/plugins/org.jboss.tools.vpe/src/org/jboss/tools/vpe/dnd/VpeDnD.java Log: https://jira.jboss.org/jira/browse/JBIDE-5042 Enhance DnD support in VPE - Code cleanup has been done. Modified: trunk/vpe/plugins/org.jboss.tools.vpe/src/org/jboss/tools/vpe/dnd/VpeDnD.java =================================================================== --- trunk/vpe/plugins/org.jboss.tools.vpe/src/org/jboss/tools/vpe/dnd/VpeDnD.java 2010-04-21 09:10:45 UTC (rev 21574) +++ trunk/vpe/plugins/org.jboss.tools.vpe/src/org/jboss/tools/vpe/dnd/VpeDnD.java 2010-04-21 09:31:44 UTC (rev 21575) @@ -15,12 +15,12 @@ import org.eclipse.core.resources.IFile; import org.eclipse.swt.graphics.Point; -import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.widgets.Display; import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion; import org.eclipse.wst.sse.ui.StructuredTextEditor; import org.eclipse.wst.xml.core.internal.document.ElementImpl; import org.jboss.tools.common.model.XModelObject; +import org.jboss.tools.common.model.filesystems.XFileObject; import org.jboss.tools.common.model.options.PreferenceModelUtilities; import org.jboss.tools.common.model.ui.editors.dnd.DropUtils; import org.jboss.tools.common.model.ui.editors.dnd.context.IDNDTextEditor; @@ -67,13 +67,12 @@ * @author Max Areshkau * @author Yahor Radtsevich (yradtsevich) */ -// TODO: cleanup the code +// NOTE: the code has been cleaned after SVN revision 21574, many methods +// have been removed. To find the old code refer to older revisions. public class VpeDnD implements MozillaDndListener { private static final String TAG_TAGLIB = "taglib"; //$NON-NLS-1$ - private static int HUGE_DISTANCE = 999999; - - /* + /* * Default transfer data */ private static final String VPE_ELEMENT = ""; //$NON-NLS-1$ @@ -189,7 +188,7 @@ .isDataFlavorSupported(VpeController.MODEL_FLAVOR)) { XModelObject object = PreferenceModelUtilities.getPreferenceModel() .getModelBuffer().source(); - if (object.getFileType() == XModelObject.FILE + if (object.getFileType() == XFileObject.FILE && !TLDUtil.isTaglib(object)) { final IFile f = (IFile) EclipseResourceUtil.getResource(object); return getSimpleDropResolver(f != null); @@ -767,67 +766,6 @@ } else { return new VpeVisualInnerDragInfo(element); } - - // fix of JBIDE-4998 -// nsISelection selection = visualSelectionController.getSelection( -// nsISelectionController.SELECTION_NORMAL); -// nsIDOMNode focusNode = selection.getFocusNode(); -// nsIDOMNode anchorNode = selection.getAnchorNode(); -// //when we select input this function return null -// //but we select elemnt -// if(focusNode==null && anchorNode==null) { -// nsIDOMNode visualNode =(nsIDOMNode) event.getTarget() -// .queryInterface(nsIDOMNode.NS_IDOMNODE_IID); -// //fix of JBIDE-1097 -// if(HTML.TAG_SPAN.equalsIgnoreCase(visualNode.getNodeName())) { -// if(visualBuilder.getXulRunnerEditor().getLastSelectedElement() != null -// && !visualBuilder.getNodeBounds( -// visualBuilder.getXulRunnerEditor() -// .getLastSelectedElement()) -// .contains(VisualDomUtil.getMousePoint(event))) { -// return null; -// } -// } -// int offset = (int) VisualDomUtil.getOffset(visualNode); -// selection.removeAllRanges(); -// selection.collapse(visualNode.getParentNode(), offset); -// try { -// selection.extend(visualNode.getParentNode(), offset + 1); -// } catch(XPCOMException ex) { -// //just ignore exception -// // throws when we trying drag element which already resizing -// return null; -// } -// focusNode = selection.getFocusNode(); -// anchorNode = selection.getAnchorNode(); -// } -// if (focusNode != null && focusNode.equals(anchorNode)) { -// int focusOffset = selection.getFocusOffset(); -// int anchorOffset = selection.getAnchorOffset(); -// int offset = Math.min(focusOffset, anchorOffset); -// int length = Math.max(focusOffset, anchorOffset) - offset; -// -// int focusNodeType = focusNode.getNodeType(); -// if (focusNodeType == nsIDOMNode.ELEMENT_NODE) { -// if (length == 1) { -// nsIDOMNodeList children = focusNode.getChildNodes(); -// nsIDOMNode selectedNode = children.item( -// Math.min(focusOffset, anchorOffset)); -// if (visualBuilder.getNodeBounds(selectedNode).contains(VisualDomUtil.getMousePoint(event))) { -// int selectedNodeType = selectedNode.getNodeType(); -// if (selectedNodeType == nsIDOMNode.ELEMENT_NODE) { -// return new VpeVisualInnerDragInfo((nsIDOMElement)selectedNode.queryInterface(nsIDOMElement.NS_IDOMELEMENT_IID)); -// } else if (selectedNodeType == nsIDOMNode.TEXT_NODE) { -// return new VpeVisualInnerDragInfo(selectedNode, 0, selectedNode.getNodeValue().length()); -// } -// } -// } -// } else if (focusNodeType == nsIDOMNode.TEXT_NODE) { -// return new VpeVisualInnerDragInfo(focusNode, offset, length); -// } -// } -// -// return null; } private VpeSourceDropInfo getDropInfo(nsIDOMEvent event) { @@ -867,552 +805,9 @@ } return new VpeSourceDropInfo(dropContainer, dropOffset, canDrop); - -// nsIDOMNSUIEvent nsuiEvent = (nsIDOMNSUIEvent) -// event.queryInterface(nsIDOMNSUIEvent.NS_IDOMNSUIEVENT_IID); -// int mouseX = nsuiEvent.getPageX(); -// int mouseY = nsuiEvent.getPageY(); -// nsIDOMNode dropContainer = null; -// int dropOffset = 0; -// -// nsIDOMDocument document = vpeController.getVisualBuilder() -// .getOriginalTargetNode(event).getOwnerDocument(); -// -// nsIDOMNode originalNode = DndUtil.getElementFromPoint(document, mouseX, mouseY); -//// if (originalNode != null) { -//// if (dropableArea == null) { -//// dropableArea = new DropableArea(document); -//// dropableArea.setDropSpots(EnumSet.allOf(DropSpot.class)); -//// } -//// dropableArea.setNode(originalNode); -//// dropableArea.setHighlightedSpot(mouseX, mouseY); -//// dropableArea.setVisible(true); -//// dropableArea.redraw(); -//// } -// -// if (originalNode == null || originalNode.getParentNode() == null || -// originalNode.getParentNode().getNodeType() == Node.DOCUMENT_NODE) { -// return new VpeVisualDropInfo(null, 0); -// } -// if (originalNode.getNodeType() == Node.TEXT_NODE) { -// dropContainer = nsuiEvent.getRangeParent(); -// nsIDOMNode containerForPseudoContent = VpePseudoContentCreator -// .getContainerForPseudoContent(dropContainer); -// if (containerForPseudoContent != null) { -// dropContainer = containerForPseudoContent; -// dropOffset = 0; -// } else { -// dropOffset = nsuiEvent.getRangeOffset(); -// } -// } else { -// int closestXDistance = HUGE_DISTANCE; -// int closestYDistance = HUGE_DISTANCE; -// boolean inNodeFlag = false; -// nsIDOMNode closestNode = null; -// -// nsIDOMNodeList childen = originalNode.getChildNodes(); -// long count = childen.getLength(); -// for (long i = 0; i < count; i++) { -// nsIDOMNode child = childen.item(i); -// if (VpeVisualDomBuilder.isPseudoElement(child) -// || VpeVisualDomBuilder.isAnonElement(child)) { -// continue; -// } -// Rectangle rect = XulRunnerVpeUtils.getElementBounds(child); -// int fromTop = mouseY - rect.y; -// int fromBottom = mouseY - rect.y - rect.height; -// -// int yDistance; -// if (fromTop > 0 && fromBottom < 0) { -// yDistance = 0; -// } else { -// yDistance = Math.min(Math.abs(fromTop), Math.abs(fromBottom)); -// } -// -// if (yDistance <= closestYDistance && rect.width > 0 && rect.height > 0) { -// if (yDistance < closestYDistance) { -// closestXDistance = HUGE_DISTANCE; -// } -// int fromLeft = mouseX - rect.x; -// int fromRight = mouseX - rect.x - rect.width; -// -// int xDistance; -// if (fromLeft > 0 && fromRight < 0) { -// xDistance = 0; -// } else { -// xDistance = Math.min(Math.abs(fromLeft), Math.abs(fromRight)); -// } -// if (xDistance == 0 && yDistance == 0) { -// closestNode = child; -// inNodeFlag = true; -// break; -// } -// -// if (xDistance < closestXDistance || (xDistance == closestXDistance && rect.x <= mouseX)) { -// closestXDistance = xDistance; -// closestYDistance = yDistance; -// closestNode = child; -// } -// } -// } -// -// if (closestNode == null) { -// closestNode = originalNode; -// inNodeFlag = true; -// } -// if (inNodeFlag) { -// if (closestNode.getNodeType() == Node.TEXT_NODE) { -// dropContainer = nsuiEvent.getRangeParent(); -// dropOffset = nsuiEvent.getRangeOffset(); -// } else { -// if (HTML.TAG_COLGROUP.equalsIgnoreCase(closestNode.getNodeName())) { -// nsIDOMNode nearChild = getNearChild(closestNode, mouseX, mouseY); -// if (nearChild != null && nearChild.getNodeType() == Node.ELEMENT_NODE) { -// dropContainer = nearChild; -// } else { -// dropContainer = closestNode; -// } -// } else { -// dropContainer = closestNode; -// } -// dropOffset = 0; -// } -// } else { -// dropContainer = closestNode.getParentNode(); -// dropOffset = (int)VisualDomUtil.getOffset(closestNode); -// Rectangle rect = XulRunnerVpeUtils.getElementBounds(closestNode); -// if (canInsertAfter(mouseX, mouseY, rect)) { -// dropOffset++; -// } -// } -// } } private interface DropResolver { public boolean canDrop(Node node); } - -// TODO: delete the following methods, as they are never used -// this method is never used -// private boolean canInsertAfter(int x, int y, Rectangle rect) { -// if (y > (rect.y + rect.height) || x > (rect.x + rect.width)) { -// return true; -// } -// return y >= rect.x && x > (rect.x + rect.width / 2); -// } - -// this method is never used -// private MozillaDropInfo canExternalDrop(nsIDOMMouseEvent mouseEvent, String flavor, String data) { -// InnerDragBuffer.object = null; -// vpeController.onHideTooltip(); -// -// if (vpeController.getDropWindow().isActive()) { -// if (!mouseEvent.getAltKey()) { -// vpeController.getDropWindow().close(); -// } else { -// return new MozillaDropInfo(false, null, 0); -// } -// } -// if (mouseEvent.getAltKey()) { -// nsIDOMNode visualNode = (nsIDOMNode) mouseEvent.getTarget() -// .queryInterface(nsIDOMNode.NS_IDOMNODE_IID); -// Node sourceNode = vpeController.getDomMapping().getNearSourceNode(visualNode); -// if (sourceNode != null) { -// if (ModelTransfer.MODEL.equals(flavor)) { -// // XModelObject object = -// // PreferenceModelUtilities.getPreferenceModel(). -// // getModelBuffer().source(); -// // InnerDragBuffer.object = object; -// } else { -// vpeController.getDropWindow().setFlavor(flavor); -// } -// vpeController.getDropWindow().setActive(true); -// vpeController.getDropWindow().setEventPosition(mouseEvent.getScreenX(), mouseEvent -// .getScreenY()); -// vpeController.getDropWindow().setInitialTargetNode(sourceNode); -// vpeController.getDropWindow().open(); -// mouseEvent.stopPropagation(); -// mouseEvent.preventDefault(); -// return new MozillaDropInfo(false, null, 0); -// } -// } -// boolean canDrop = false; -// nsIDOMNode caretParent = null; -// long caretOffset = 0; -// -// if (VpeController.MODEL_FLAVOR.equals(flavor)) { -// XModelObject object = PreferenceModelUtilities.getPreferenceModel() -// .getModelBuffer().source(); -// if (object.getFileType() == XModelObject.FILE -// && !TLDUtil.isTaglib(object)) { -// IFile f = (IFile) EclipseResourceUtil.getResource(object); -// canDrop = f != null; -// VpeVisualDropInfo visualDropInfo = getDropInfo(mouseEvent); -// caretParent = visualDropInfo.getDropContainer(); -// caretOffset = visualDropInfo.getDropOffset(); -// } else { -// String tagname = vpeController.getTagName(object); -// if (tagname.indexOf("taglib") >= 0)tagname = "taglib"; //$NON-NLS-1$ //$NON-NLS-2$ -// Node sourceDragNode = ((Document) vpeController.getModel().getAdapter( -// Document.class)).createElement(tagname); -// VpeVisualDropInfo visualDropInfo = getDropInfo(mouseEvent); -// if (visualDropInfo.getDropContainer() != null) { -// VpeSourceDropInfo sourceDropInfo -// = getSourceDropInfo( -// sourceDragNode, visualDropInfo, true); -// canDrop = sourceDropInfo.canDrop(); -// if (canDrop) { -// VpeVisualDropInfo newVisualDropInfo -// = getDropInfo( -// sourceDropInfo.getContainer(), -// sourceDropInfo.getOffset()); -// if (newVisualDropInfo != null) { -// correctVisualDropPosition(mouseEvent, -// newVisualDropInfo, visualDropInfo); -// caretParent = newVisualDropInfo.getDropContainer(); -// caretOffset = newVisualDropInfo.getDropOffset(); -// } -// } -// } -// visualDropInfo.release(); -// } -// } else if (XulRunnerEditor.TRANS_FLAVOR_kFileMime.equals(flavor) -// || XulRunnerEditor.TRANS_FLAVOR_kURLMime.equals(flavor)) { -// VpeVisualDropInfo visualDropInfo = getDropInfo(mouseEvent); -// caretParent = visualDropInfo.getDropContainer(); -// caretOffset = visualDropInfo.getDropOffset(); -// canDrop = true; -// -// } -// if (VpeDebug.PRINT_VISUAL_INNER_DRAGDROP_EVENT) { -// System.out.println(" canDrop: " + canDrop //$NON-NLS-1$ -// + (canDrop ? -// " container: " //$NON-NLS-1$ -// + caretParent.getNodeName() -// + " offset: " //$NON-NLS-1$ -// + caretOffset -// : "")); //$NON-NLS-1$ -// } -// return new MozillaDropInfo(canDrop, caretParent, caretOffset); -// -// } - -// this method is never used -// private VpeSourceDropInfo getSourceDropInfo(Node dragNode, -// Node container, int offset, boolean checkParentsTemplates) { -// // Thread.dumpStack(); -// boolean canDrop = false; -// switch (container.getNodeType()) { -// case Node.ELEMENT_NODE: -// VpeNodeMapping nodeMapping = vpeController.getDomMapping() -// .getNodeMapping(container); -// if (nodeMapping != null && nodeMapping instanceof VpeElementMapping) { -// canDrop = ((VpeElementMapping) nodeMapping).getTemplate() -// .canInnerDrop(vpeController.getPageContext(), container, dragNode); -// } -// if (!canDrop) { -// if (!checkParentsTemplates) -// return new VpeSourceDropInfo(container, offset, -// canDrop); -// // offset = ((NodeImpl)container).getIndex(); -// // container = container.getParentNode(); -// // TODO Max Areshkau unclear logic , if we can drop on element -// // why we trying to drop -// // this on parent -// // return getSourceDropInfo(dragNode, container, offset, -// // false); -// return new VpeSourceDropInfo(container, offset, canDrop); -// } -// break; -// case Node.TEXT_NODE: -// case Node.DOCUMENT_NODE: -// canDrop = true; -// break; -// case Node.ATTRIBUTE_NODE: -// canDrop = true; -// break; -// } -// if (canDrop) { -// return new VpeSourceDropInfo(container, offset, canDrop); -// } else { -// return new VpeSourceDropInfo(null, 0, canDrop); -// } -// } - -// this method is never used -// private VpeSourceDropInfo getSourceDropInfo(Node sourceDragNode, -// VpeVisualDropInfo visualDropInfo, boolean checkParentTemplates) { -// nsIDOMNode visualDropContainer = visualDropInfo.getDropContainer(); -// long visualDropOffset = visualDropInfo.getDropOffset(); -// Node sourceDropContainer = null; -// int sourceDropOffset = 0; -// -// switch (visualDropContainer.getNodeType()) { -// case nsIDOMNode.ELEMENT_NODE: -// nsIDOMNode visualOffsetNode = null; -// boolean afterFlag = false; -// long visualChildCount = VisualDomUtil -// .getChildCount(visualDropContainer); -// if (visualDropOffset < visualChildCount) { -// visualOffsetNode = VisualDomUtil.getChildNode( -// visualDropContainer, visualDropOffset); -// if (VpeVisualDomBuilder.isPseudoElement(visualOffsetNode) -// || VpeVisualDomBuilder.isAnonElement(visualOffsetNode)) { -// visualOffsetNode = VpeVisualDomBuilder -// .getLastAppreciableVisualChild(visualDropContainer); -// afterFlag = true; -// } -// } else { -// visualOffsetNode = VpeVisualDomBuilder.getLastAppreciableVisualChild(visualDropContainer); -// afterFlag = visualChildCount != 0; -// } -// if (visualOffsetNode != null) { -// Node sourceOffsetNode = vpeController.getDomMapping() -// .getSourceNode(visualOffsetNode); -// if (sourceOffsetNode != null) { -// sourceDropContainer = sourceOffsetNode.getParentNode(); -// sourceDropOffset = ((NodeImpl) sourceOffsetNode).getIndex(); -// if (afterFlag) { -// sourceDropOffset++; -// } -// } -// } -// if (sourceDropContainer == null) { -// sourceDropContainer = vpeController.getDomMapping() -// .getNearSourceNode(visualDropContainer); -// if (sourceDropContainer != null) { -// sourceDropOffset = sourceDropContainer.getChildNodes() -// .getLength(); -// } -// } -// if (sourceDropContainer == null) { -// sourceDropContainer = vpeController.getDomMapping() -// .getNearSourceNode( -// vpeController.getVisualBuilder().getContentArea()); -// sourceDropOffset = sourceDropContainer.getChildNodes() -// .getLength(); -// } -// break; -// case nsIDOMNode.TEXT_NODE: -// VpeNodeMapping nodeMapping = vpeController.getDomMapping() -// .getNearNodeMapping(visualDropContainer); -// // switch (nodeMapping.getType()) { -// // case VpeNodeMapping.TEXT_MAPPING: -// sourceDropContainer = nodeMapping.getSourceNode(); -// sourceDropOffset = TextUtil.sourceInnerPosition(sourceDropContainer -// .getNodeValue(), visualDropOffset); -// // break; -// // case VpeNodeMapping.ELEMENT_MAPPING: -// // it's attribute -// if (VpeVisualDomBuilder.isTextEditable(visualDropContainer)) { -// String[] atributeNames = ((VpeElementMapping) nodeMapping) -// .getTemplate().getOutputAttributeNames(); -// if (atributeNames != null && atributeNames.length > 0) { -// Element sourceElement = (Element) nodeMapping -// .getSourceNode(); -// sourceDropContainer = sourceElement -// .getAttributeNode(atributeNames[0]); -// sourceDropOffset = TextUtil.sourceInnerPosition( -// sourceDropContainer.getNodeValue(), -// visualDropOffset); -// } -// } -// } -// if (sourceDropContainer != null) { -// return getSourceDropInfo(sourceDragNode, sourceDropContainer, -// sourceDropOffset, checkParentTemplates); -// } else { -// return new VpeSourceDropInfo(null, 0, false); -// } -// } - -// this method is never used -// private void correctVisualDropPosition(nsIDOMMouseEvent mouseEvent, -// VpeVisualDropInfo newVisualDropInfo, -// VpeVisualDropInfo oldVisualDropInfo) { -// nsIDOMNode newVisualDropContainer = newVisualDropInfo -// .getDropContainer(); -// nsIDOMNode oldVisualDropContainer = oldVisualDropInfo -// .getDropContainer(); -// -// if (newVisualDropContainer.equals(oldVisualDropContainer)) { -// newVisualDropInfo.setDropOffset(oldVisualDropInfo.getDropOffset()); -// return; -// } -// -// nsIDOMNode child = oldVisualDropContainer; -// while (child != null && child.getNodeType() != Node.DOCUMENT_NODE) { -// nsIDOMNode parent = child.getParentNode(); -// if (newVisualDropContainer.equals(parent)) { -// long offset = VisualDomUtil.getOffset(child); -// Rectangle rect = XulRunnerVpeUtils.getElementBounds(child); -// -// nsIDOMNSUIEvent nsuiEvent = (nsIDOMNSUIEvent) -// mouseEvent.queryInterface(nsIDOMNSUIEvent.NS_IDOMNSUIEVENT_IID); -// int mouseX = nsuiEvent.getPageX(); -// int mouseY = nsuiEvent.getPageY(); -// -// if (canInsertAfter(mouseX, mouseY, rect)) { -// offset++; -// } -// newVisualDropInfo.setDropOffset(offset); -// } -// child = parent; -// } -// } - -// this method is never used -// private VpeVisualDropInfo getDropInfo(Node sourceDropContainer, -// int sourceDropOffset) { -// nsIDOMNode visualDropContainer = null; -// long visualDropOffset = 0; -// -// switch (sourceDropContainer.getNodeType()) { -// case Node.TEXT_NODE: -// visualDropContainer = vpeController.getDomMapping().getVisualNode(sourceDropContainer); -// visualDropOffset = TextUtil.visualInnerPosition(sourceDropContainer -// .getNodeValue(), sourceDropOffset); -// break; -// case Node.ELEMENT_NODE: -// case Node.DOCUMENT_NODE: -// NodeList sourceChildren = sourceDropContainer.getChildNodes(); -// if (sourceDropOffset < sourceChildren.getLength()) { -// Node sourceChild = sourceChildren.item(sourceDropOffset); -// nsIDOMNode visualChild = vpeController.getDomMapping().getVisualNode(sourceChild); -// if (visualChild != null) { -// visualDropContainer = visualChild.getParentNode(); -// -// visualDropOffset = VisualDomUtil.getOffset(visualChild); -// } -// } -// if (visualDropContainer == null) { -// visualDropContainer = vpeController.getDomMapping() -// .getNearVisualNode(sourceDropContainer); -// nsIDOMNode visualChild = VpeVisualDomBuilder.getLastAppreciableVisualChild(visualDropContainer); -// if (visualChild != null) { -// visualDropOffset = VisualDomUtil.getOffset(visualChild) + 1; -// } else { -// visualDropOffset = 0; -// } -// } -// break; -// case Node.ATTRIBUTE_NODE: -// Element sourceElement = ((Attr) sourceDropContainer) -// .getOwnerElement(); -// VpeElementMapping elementMapping = vpeController.getDomMapping() -// .getNearElementMapping(sourceElement); -// nsIDOMNode textNode = elementMapping.getTemplate() -// .getOutputTextNode(vpeController.getPageContext(), sourceElement, -// elementMapping.getData()); -// if (textNode != null) { -// visualDropContainer = textNode; -// visualDropOffset = TextUtil.visualInnerPosition( -// sourceDropContainer.getNodeValue(), sourceDropOffset); -// } -// break; -// } -// if (visualDropContainer == null) { -// return null; -// } -// return new VpeVisualDropInfo(visualDropContainer, visualDropOffset); -// } - -// this method is never used -// private nsIDOMNode getNearChild(nsIDOMNode container, int x, int y) { -// int closestXDistance = HUGE_DISTANCE; -// int closestYDistance = HUGE_DISTANCE; -// nsIDOMNode closestNode = null; -// -// nsIDOMNodeList childen = container.getChildNodes(); -// long count = childen.getLength(); -// for (long i = 0; i < count; i++) { -// nsIDOMNode child = childen.item(i); -// if (VpeVisualDomBuilder.isPseudoElement(child) || VpeVisualDomBuilder.isAnonElement(child)) { -// continue; -// } -// Rectangle rect = XulRunnerVpeUtils.getElementBounds(child); -// int fromTop = y - rect.y; -// int fromBottom = y - rect.y - rect.height; -// -// int yDistance; -// if (fromTop > 0 && fromBottom < 0) { -// yDistance = 0; -// } else { -// yDistance = Math.min(Math.abs(fromTop), Math.abs(fromBottom)); -// } -// -// if (yDistance <= closestYDistance && rect.width > 0 && rect.height > 0) { -// if (yDistance < closestYDistance) { -// closestXDistance = HUGE_DISTANCE; -// } -// int fromLeft = x - rect.x; -// int fromRight = x - rect.x - rect.width; -// -// int xDistance; -// if (fromLeft > 0 && fromRight < 0) { -// xDistance = 0; -// } else { -// xDistance = Math.min(Math.abs(fromLeft), Math.abs(fromRight)); -// } -// if (xDistance == 0 && yDistance == 0) { -// closestNode = child; -// break; -// } -// if (xDistance < closestXDistance || (xDistance == closestXDistance && rect.x <= x)) { -// closestXDistance = xDistance; -// closestYDistance = yDistance; -// closestNode = child; -// } -// } -// } -// return closestNode; -// } - -// this method is never used -// public VpeSourceDropInfo canExternalDropMacro(XModelObject object, Node parentNode, int offset) { -// String tagname = vpeController.getTagName(object); -// Node sourceDragNode = ((Document) vpeController.getModel().getAdapter(Document.class)) -// .createElement(tagname); -// return vpeController.getVisualBuilder().getSourceDropInfo(sourceDragNode, parentNode, -// offset, false); -// } - -// this method is never used -// public void _dragOver(nsIDOMEvent event) { -// if (!vpeController.getSwitcher() -// .startActiveEditor(VpeController.ActiveEditorSwitcher.ACTIVE_EDITOR_VISUAL)) { -// return; -// } -// try { -// if (VpeDebug.PRINT_VISUAL_DRAGDROP_EVENT) { -// System.out.println("<<<<<<<<<<<<<<<<<<<< dragOver"); //$NON-NLS-1$ -// } -// // browser.computeDropPosition(event); -// boolean canDrop = !vpeController.getXulRunnerEditor().isMozillaDragFlavor(); -// if (canDrop) { -// Clipboard clipboard = new Clipboard(Display.getCurrent()); -// canDrop = clipboard.getContents(ModelTransfer.getInstance()) != null; -// } -// if (canDrop) { -// canDrop = VpeDndUtil.isDropEnabled((IModelObjectEditorInput) -// vpeController.getSourceEditor().getEditorInput()); -// } -// if (canDrop) { -// VpeVisualCaretInfo caretInfo = vpeController.getSelectionBuilder() -// .getVisualCaretInfo(event); -// canDrop = caretInfo.exist(); -// if (canDrop) { -// caretInfo.showCaret(); -// } else { -// caretInfo.hideCaret(); -// } -// } -// if (!canDrop) { -// event.stopPropagation(); -// event.preventDefault(); -// } -// } finally { -// vpeController.getSwitcher().stopActiveEditor(); -// } -// } }