private static Long getIdForSelection(Node selectedSourceNode, VpvVisualModel visualModel) {
Long id = null;
if (selectedSourceNode != null && visualModel != null) {
Map<Node, Node> sourceVisuaMapping = visualModel.getSourceVisualMapping();
Node visualNode = null;
Node sourceNode = selectedSourceNode;
do {
visualNode = sourceVisuaMapping.get(sourceNode);
sourceNode = DomUtil.getParentNode(sourceNode);
} while (visualNode == null && sourceNode != null);
if (!(visualNode instanceof Element)) { // text node, comment, etc
visualNode = DomUtil.getParentNode(visualNode); // should be element now or null
}
String idString = null;
if (visualNode instanceof Element) {
Element elementNode = (Element) visualNode;
idString = elementNode.getAttribute(VpvDomBuilder.ATTR_VPV_ID);
}
if (idString != null && !idString.isEmpty()) {
try {
id = Long.parseLong(idString);
} catch (NumberFormatException e) {
Activator.logError(e);
}
}
}
return id;
}
public static void navigateToVisual(
IEditorPart currentEditor, Browser browser, VpvVisualModel visualModel, int x, int y) {
String stringToEvaluate = ""; // $NON-NLS-1$
if (OS.LINUX.equals(PlatformUtil.getOs())) {
/* outerHTML is not available with XulRunner we shipping, so <code>result</code> variable will be null
* because we make it default browser on Linux this workaround is used
* @see JBIDE-17454
*/
stringToEvaluate =
"var selected = document.elementFromPoint("
+ x
+ ", "
+ y
+ ");"
+ //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
"var temp = document.createElement('div');"
+ //$NON-NLS-1$
"temp.appendChild(selected.cloneNode(true));"
+ //$NON-NLS-1$
"return temp.innerHTML;"; //$NON-NLS-1$
} else {
stringToEvaluate =
"return document.elementFromPoint("
+ x
+ ", "
+ y
+ ").outerHTML;"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
String result = (String) browser.evaluate(stringToEvaluate);
if (result != null) {
String selectedElementId =
TransformUtil.getSelectedElementId(result, "(?<=data-vpvid=\").*?(?=\")"); // $NON-NLS-1$
Long id =
(selectedElementId != null
&& !selectedElementId.isEmpty()) // avoiding NumberFormatException
? Long.parseLong(selectedElementId)
: null;
NavigationUtil.outlineSelectedElement(browser, id);
String fileExtension = EditorUtil.getFileExtensionFromEditor(currentEditor);
if (SuitableFileExtensions.isHTML(fileExtension)) {
try {
Node visualNode = TransformUtil.getVisualNodeByVpvId(visualModel, selectedElementId);
Node sourseNode = TransformUtil.getSourseNodeByVisualNode(visualModel, visualNode);
if (sourseNode != null && sourseNode instanceof IDOMNode) {
int startOffset = ((IDOMNode) sourseNode).getStartOffset();
int endOffset = ((IDOMNode) sourseNode).getEndOffset();
StructuredTextEditor editor =
(StructuredTextEditor) currentEditor.getAdapter(StructuredTextEditor.class);
editor.selectAndReveal(startOffset, endOffset - startOffset);
}
} catch (XPathExpressionException e) {
Activator.logError(e);
}
}
}
}