From 5a597cd71a57cc99442c6b0a4342bc00969097b4 Mon Sep 17 00:00:00 2001
From: "Zane U. Ji" <ZaneUJi@gmail.com>
Date: Tue, 20 May 2014 22:36:03 +0800
Subject: [PATCH] Feature #69 Add "current XPath" shortcut

---
 ChangeLog             |  1 +
 src/xmlcopyeditor.cpp | 49 +++++++++++++++++++++++++++++++++++++++++++
 src/xmlcopyeditor.h   |  3 +++
 src/xmlctrl.cpp       | 24 +++++++++++++++++++++
 src/xmlctrl.h         |  1 +
 5 files changed, 78 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 555937d..9762e55 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,5 @@
 1.2.1.2
+  + Feature #69 Add "current XPath" shortcut
   + Click on the error message to jump to the error location
   * Bug #99 fix desktop file (Marco Rodrigues)
 
diff --git a/src/xmlcopyeditor.cpp b/src/xmlcopyeditor.cpp
index f59cc94..3dec286 100644
--- a/src/xmlcopyeditor.cpp
+++ b/src/xmlcopyeditor.cpp
@@ -159,6 +159,7 @@ BEGIN_EVENT_TABLE ( MyFrame, wxFrame )
 	EVT_MENU ( ID_LOCATION_PANE_VISIBLE, MyFrame::OnLocationPaneVisible )
 	EVT_MENU ( ID_PROTECT_TAGS, MyFrame::OnProtectTags )
 	EVT_MENU ( ID_WRAP_WORDS, MyFrame::OnWrapWords )
+	EVT_MENU ( ID_COPY_XPATH, MyFrame::OnCopyXPath )
 	EVT_MENU_RANGE ( ID_SHOW_TAGS, ID_HIDE_TAGS, MyFrame::OnVisibilityState )
 	EVT_MENU_RANGE ( ID_ASSOCIATE_DTD_PUBLIC, ID_ASSOCIATE_XSL, MyFrame::OnAssociate )
 	EVT_MENU_RANGE ( wxID_FILE1, wxID_FILE9, MyFrame::OnHistoryFile )
@@ -201,6 +202,7 @@ BEGIN_EVENT_TABLE ( MyFrame, wxFrame )
 	EVT_UPDATE_UI ( ID_CLOSE_FIND_REPLACE_PANE, MyFrame::OnUpdateCloseFindReplacePane )
 	EVT_UPDATE_UI ( ID_CLOSE_COMMAND_PANE, MyFrame::OnUpdateCloseCommandPane )
 	EVT_UPDATE_UI ( ID_RELOAD, MyFrame::OnUpdateReload )
+	EVT_UPDATE_UI ( ID_COPY_XPATH, MyFrame::OnUpdateCopyXPath )
 	EVT_IDLE ( MyFrame::OnIdle )
 	EVT_AUINOTEBOOK_PAGE_CLOSE ( wxID_ANY, MyFrame::OnPageClosing )
 #ifdef __WXMSW__
@@ -5194,6 +5196,10 @@ wxMenuBar *MyFrame::getMenuBar()
 	    ID_XPATH,
 	    _ ( "&Evaluate XPath...\tF9" ),
 	    _ ( "Evaluate XPath..." ) );
+	xmlMenu->Append (
+	    ID_COPY_XPATH,
+	    _ ( "Copy &The Current XPath" ),
+	    _ ( "Copy The Current XPath" ) );
 
 	xmlMenu->AppendSeparator();
 	xmlMenu->Append (
@@ -6019,6 +6025,49 @@ void MyFrame::OnPromptGenerated ( wxNotifyEvent &event )
 	insertEntityPanel->update ( doc, wxEmptyString, wxEmptyString, true );
 }
 
+void MyFrame::OnCopyXPath ( wxCommandEvent &event )
+{
+	XmlDoc *doc = getActiveDocument();
+	if ( !doc )
+		return;
+
+	wxBusyCursor cursor;
+
+	wxString xpath = doc->getCurrentXPath();
+	// Write the XPath to the clipboard
+	if ( xpath.IsEmpty() )
+	{
+		messagePane ( _("The current XPath is empty."), CONST_WARNING );
+	}
+	else if ( wxTheClipboard->Open() )
+	{
+		// This data objects are held by the clipboard,
+		// so do not delete them in the app.
+		wxTheClipboard->SetData ( new wxTextDataObject ( xpath ) );
+		wxTheClipboard->Close();
+
+		wxString message = wxString::Format
+					( _("The current XPath has been copied to the clipboard:[br][b]%s[/b]")
+					, xpath.c_str()
+					);
+		messagePane ( message, CONST_INFO );
+	}
+	else
+	{
+		wxString message = wxString::Format
+				( _("Failed to copy the current XPath to the clipboard:[br][b]%s[/b]")
+				, xpath.c_str()
+				);
+		messagePane ( message, CONST_STOP );
+		htmlReport->SetFocus(); // This is needed to make Ctrl + C work
+	}
+}
+
+void MyFrame::OnUpdateCopyXPath ( wxUpdateUIEvent& event )
+{
+	event.Enable ( getActiveDocument() );
+}
+
 wxString MyFrame::getAuxPath ( const wxString& fileName )
 {
 	if ( fileName.Find ( _T ( ".xsl" ) ) != wxNOT_FOUND ||
diff --git a/src/xmlcopyeditor.h b/src/xmlcopyeditor.h
index 274602b..d4f9ce2 100644
--- a/src/xmlcopyeditor.h
+++ b/src/xmlcopyeditor.h
@@ -125,6 +125,7 @@ enum
 	ID_CREATE_SCHEMA,
 	ID_DTD_TO_SCHEMA,
 	ID_XPATH,
+	ID_COPY_XPATH,
 	ID_XSLT,
 	ID_XSLT_TEI_FO,
 	ID_XSLT_TEI_HTML,
@@ -320,6 +321,8 @@ class MyFrame : public wxFrame
 		void OnDropFiles ( wxDropFilesEvent& event );
 #endif
 		void OnPromptGenerated ( wxNotifyEvent &event );
+		void OnCopyXPath ( wxCommandEvent &event );
+		void OnUpdateCopyXPath ( wxUpdateUIEvent& event );
 		void setStrictScrolling ( bool b );
 		void validateRelaxNG (
 		    XmlDoc *doc,
diff --git a/src/xmlctrl.cpp b/src/xmlctrl.cpp
index cb14782..185bcf2 100644
--- a/src/xmlctrl.cpp
+++ b/src/xmlctrl.cpp
@@ -2366,3 +2366,27 @@ void XmlCtrl::toggleComment()
 		SetSelection ( pos, pos );
 	}
 }
+
+wxString XmlCtrl::getCurrentXPath()
+{
+	wxString xpath;
+	int pos = GetCurrentPos();
+	for ( ; ; )
+	{
+		pos = findPreviousStartTag ( pos, 1, '>' );
+		if ( pos <= 0 )
+			break;
+
+		wxString name = getLastElementName ( pos );
+		size_t pos = name.Index ( ':' );
+		if ( pos != wxString::npos && pos < name.length() )
+		{
+			++pos;
+			name = _T("*[local-name()='")
+					+ name.substr ( pos, name.length() - pos ) + _T("']");
+		}
+		xpath = _T("/") + name + xpath;
+	}
+
+	return xpath;
+}
diff --git a/src/xmlctrl.h b/src/xmlctrl.h
index c1dc08a..480ec9c 100644
--- a/src/xmlctrl.h
+++ b/src/xmlctrl.h
@@ -160,6 +160,7 @@ class XmlCtrl: public wxStyledTextCtrl
 		void setValidationRequired ( bool b );
 		bool selectCurrentElement();
 		void toggleComment();
+		wxString getCurrentXPath();
 	private:
 		ValidationThread *validationThread; // used for background validation
 		XmlPromptGenerator *mPromptGeneratorThread;