public void treeView_ItemDrag(object sender, ItemDragEventArgs e, ControlTreeView controlTreeView, ControlMain controlMain, Word.Document CurrentDocument, Office.CustomXMLPart CurrentPart, XmlDocument OwnerDocument, bool _PictureContentControlsReplace) { object missing = System.Type.Missing; TreeNode tn = (TreeNode)e.Item; if (tn == null) { Debug.Fail("no tn"); return; } //check if this is something we can drag if (((XmlNode)tn.Tag).NodeType == XmlNodeType.ProcessingInstruction || ((XmlNode)tn.Tag).NodeType == XmlNodeType.Comment) return; if (controlMain.modeControlEnabled == false // ie always mode bind || controlMain.controlMode1.isModeBind()) { if (!ControlTreeView.IsLeafNode(tn) || ((XmlNode)tn.Tag).NodeType == XmlNodeType.Text && !ControlTreeView.IsLeafNode(tn.Parent)) return; } // repeats and conditions; let them drag any node //get an nsmgr NameTable nt = new NameTable(); //generate the xpath and the ns manager XmlNamespaceManager xmlnsMgr = new XmlNamespaceManager(nt); string strXPath = Utilities.XpathFromXn(CurrentPart.NamespaceManager, (XmlNode)tn.Tag, true, xmlnsMgr); log.Info("Dragging XPath: " + strXPath); string prefixMappings = Utilities.GetPrefixMappings(xmlnsMgr); // OpenDoPE TagData td = new TagData(""); String val = ((XmlNode)tn.Tag).InnerText; DesignMode designMode = new OpenDoPEModel.DesignMode(CurrentDocument); // Special case for pictures, since drag/drop does not seem // to work properly (the XHTML pasted doesn't do what it should?) bool isPicture = ContentDetection.IsBase64Encoded(val); if (isPicture && !_PictureContentControlsReplace) { designMode.Off(); log.Debug("Special case handling for pictures.."); // Selection can't be textual content, so ensure it isn't. // It is allowed to be a picture, so in the future we could // leave the selection alone if it is just a picture. Globals.ThisAddIn.Application.Selection.Collapse(ref missing); // Are they dragging to an existing picture content control Word.ContentControl picCC = ContentControlMaker.getActiveContentControl(CurrentDocument, Globals.ThisAddIn.Application.Selection); try { if (picCC == null || (picCC.Type != Word.WdContentControlType.wdContentControlPicture)) { picCC = CurrentDocument.ContentControls.Add( Word.WdContentControlType.wdContentControlPicture, ref missing); designMode.restoreState(); } } catch (COMException ce) { // Will happen if you try to drag a text node onto an existing image content control log.Debug("Ignoring " + ce.Message); return; } XPathsPartEntry xppe = new XPathsPartEntry(controlMain.model); xppe.setup(null, CurrentPart.Id, strXPath, prefixMappings, false); xppe.save(); td.set("od:xpath", xppe.xpathId); picCC.Tag = td.asQueryString(); picCC.Title = "Data value: " + xppe.xpathId; picCC.XMLMapping.SetMappingByNode(Utilities.MxnFromTn(tn, CurrentPart, true)); return; } log.Debug("\n\ntreeView_ItemDrag for WdSelectionType " + Globals.ThisAddIn.Application.Selection.Type.ToString()); bool isXHTML = false; bool isFlatOPC = ContentDetection.IsFlatOPCContent(val); if (!isFlatOPC) isXHTML = ContentDetection.IsXHTMLContent(val); if (Globals.ThisAddIn.Application.Selection.Type != Microsoft.Office.Interop.Word.WdSelectionType.wdSelectionIP) { // ie something is selected, since "inline paragraph selection" // just means the cursor is somewhere inside // a paragraph, but with nothing selected. designMode.Off(); // Selection types: http://msdn.microsoft.com/en-us/library/microsoft.office.interop.word.wdselectiontype(v=office.11).aspx log.Debug("treeView_ItemDrag fired, but interpreted as gesture for WdSelectionType " + Globals.ThisAddIn.Application.Selection.Type.ToString()); Word.ContentControl parentCC = ContentControlMaker.getActiveContentControl(CurrentDocument, Globals.ThisAddIn.Application.Selection); // Insert bind | condition | repeat // depending on which mode button is pressed. if (controlMain.modeControlEnabled == false // ie always mode bind || controlMain.controlMode1.isModeBind()) { log.Debug("In bind mode"); Word.ContentControl cc = null; try { if (isFlatOPC || isXHTML || (isPicture && _PictureContentControlsReplace)) { // Rich text if (parentCC != null && ContentControlOpenDoPEType.isBound(parentCC)) { // Reuse existing cc cc = ContentControlMaker.MakeOrReuse(true, Word.WdContentControlType.wdContentControlRichText, CurrentDocument, Globals.ThisAddIn.Application.Selection); } else { // Make new cc cc = ContentControlMaker.MakeOrReuse(true, Word.WdContentControlType.wdContentControlRichText, CurrentDocument, Globals.ThisAddIn.Application.Selection); } if (isFlatOPC) { log.Debug(".. contains block content "); // Ensure block level Inline2Block i2b = new Inline2Block(); cc = i2b.convertToBlockLevel(cc, false, true); if (cc == null) { MessageBox.Show("Problems inserting block level WordML at this location."); return; } } else if (isXHTML // and thus not picture && Inline2Block.containsBlockLevelContent(val)) { log.Debug(".. contains block content "); // Ensure block level Inline2Block i2b = new Inline2Block(); cc = i2b.convertToBlockLevel(cc, false, true); if (cc == null) { MessageBox.Show("Problems inserting block level XHTML at this location."); return; } } } else { // Plain text if (parentCC != null && ContentControlOpenDoPEType.isBound(parentCC)) { // Reuse existing cc cc = ContentControlMaker.MakeOrReuse(true, Word.WdContentControlType.wdContentControlText, CurrentDocument, Globals.ThisAddIn.Application.Selection); } else { // Make new cc cc = ContentControlMaker.MakeOrReuse(false, Word.WdContentControlType.wdContentControlText, CurrentDocument, Globals.ThisAddIn.Application.Selection); } cc.MultiLine = true; // Is a text content control always run-level? // No, not if you have a single para selected and you do drag gesture // (or if you remap a rich text control) } } catch (Exception ex) { log.Error("Couldn't add content control: " + ex.Message); return; } XPathsPartEntry xppe = new XPathsPartEntry(controlMain.model); xppe.setup(null, CurrentPart.Id, strXPath, prefixMappings, true); xppe.save(); td.set("od:xpath", xppe.xpathId); if (isFlatOPC) { // <?mso-application progid="Word.Document"?> // <pkg:package xmlns:pkg="http://schemas.microsoft.com/office/2006/xmlPackage"> td.set("od:progid", "Word.Document"); cc.Title = "Word: " + xppe.xpathId; //cc.Range.Text = val; // don't escape it cc.Range.InsertXML(val, ref missing); } else if (isXHTML) { td.set("od:ContentType", "application/xhtml+xml"); cc.Title = "XHTML: " + xppe.xpathId; cc.Range.Text = val; // don't escape it } else if (isPicture) { PictureUtils.setPictureHandler(td); cc.Title = "Image: " + xppe.xpathId; string picContent = CurrentPart.SelectSingleNode(strXPath).Text; PictureUtils.pastePictureIntoCC(cc, Convert.FromBase64String(picContent)); } else { cc.XMLMapping.SetMappingByNode(Utilities.MxnFromTn(tn, CurrentPart, true)); string nodeXML = cc.XMLMapping.CustomXMLNode.XML; log.Info(nodeXML); cc.Title = "Data value: " + xppe.xpathId; } cc.Tag = td.asQueryString(); designMode.restoreState(); } else if (controlMain.controlMode1.isModeCondition()) { log.Debug("In condition mode"); Word.ContentControl cc = null; try { // always make new cc = ContentControlMaker.MakeOrReuse(false, Word.WdContentControlType.wdContentControlRichText, CurrentDocument, Globals.ThisAddIn.Application.Selection); } catch (Exception ex) { log.Error("Couldn't add content control: " + ex.Message); return; } ConditionsPartEntry cpe = new ConditionsPartEntry(controlMain.model); cpe.setup(CurrentPart.Id, strXPath, prefixMappings, true); cpe.save(); cc.Title = "Conditional: " + cpe.conditionId; // Write tag td.set("od:condition", cpe.conditionId); cc.Tag = td.asQueryString(); designMode.On(); } else if (controlMain.controlMode1.isModeRepeat()) { log.Debug("In repeat mode"); Word.ContentControl cc = null; try { // always make new cc = ContentControlMaker.MakeOrReuse(false, Word.WdContentControlType.wdContentControlRichText, CurrentDocument, Globals.ThisAddIn.Application.Selection); } catch (Exception ex) { log.Error("Couldn't add content control: " + ex.Message); return; } // Need to drop eg [1] (if any), so BetterForm-based interactive processing works if (strXPath.EndsWith("]")) { strXPath = strXPath.Substring(0, strXPath.LastIndexOf("[")); log.Debug("Having dropped '[]': " + strXPath); } XPathsPartEntry xppe = new XPathsPartEntry(controlMain.model); xppe.setup("rpt", CurrentPart.Id, strXPath, prefixMappings, false); // no Q for repeat xppe.save(); cc.Title = "Repeat: " + xppe.xpathId; // Write tag td.set("od:repeat", xppe.xpathId); cc.Tag = td.asQueryString(); designMode.On(); } return; } // end if (Globals.ThisAddIn.Application.Selection.Type != Microsoft.Office.Interop.Word.WdSelectionType.wdSelectionIP) // Selection.Type: Microsoft.Office.Interop.Word.WdSelectionType.wdSelectionIP // ie cursor is somewhere inside a paragraph, but with nothing selected. log.Info("In wdSelectionIP specific code."); // leave designMode alone here // Following processing uses clipboard HTML to implement drag/drop processing // Could avoid dealing with that (what's the problem anyway?) if they are dragging onto an existing content control, with: //Word.ContentControl existingCC = ContentControlMaker.getActiveContentControl(CurrentDocument, Globals.ThisAddIn.Application.Selection); //if (existingCC != null) return; // But that stops them from dragging any more content into a repeat. string title = ""; string tag = ""; bool needBind = false; log.Debug(strXPath); Office.CustomXMLNode targetNode = CurrentPart.SelectSingleNode(strXPath); string nodeContent = targetNode.Text; // or ((XmlNode)tn.Tag).InnerXml // Insert bind | condition | repeat // depending on which mode button is pressed. if (controlMain.modeControlEnabled == false // ie always mode bind || controlMain.controlMode1.isModeBind()) { log.Debug("In bind mode"); // OpenDoPE: create w:tag=od:xpath=x1 // and add XPath to xpaths part XPathsPartEntry xppe = new XPathsPartEntry(controlMain.model); xppe.setup(null, CurrentPart.Id, strXPath, prefixMappings, false); // Don't setup Q until after drop xppe.save(); // Write tag td.set("od:xpath", xppe.xpathId); // Does this node contain XHTML? // TODO: error handling log.Info(nodeContent); if (isFlatOPC) { // <?mso-application progid="Word.Document"?> // <pkg:package xmlns:pkg="http://schemas.microsoft.com/office/2006/xmlPackage"> td.set("od:progid", "Word.Document"); title = "Word: " + xppe.xpathId; needBind = false; // make it a rich text control } else if (isXHTML) { td.set("od:ContentType", "application/xhtml+xml"); // TODO since this is a run-level sdt, // the XHTML content will need to be run-level. // Help the user with this? // Or in a run-level context, docx4j could convert // p to soft-enter? But what to do about tables? title = "XHTML: " + xppe.xpathId; needBind = false; // make it a rich text control // Word will only replace our HTML-imported-to-docx with the raw HTML // if we have the bind. // Without this, giving the user visual feedback in Word is a TODO } else if (isPicture) { designMode.Off(); log.Debug("NEW Special case handling for pictures.."); //object missing = System.Type.Missing; Globals.ThisAddIn.Application.Selection.Collapse(ref missing); // Are they dragging to an existing picture content control Word.ContentControl picCC = ContentControlMaker.getActiveContentControl(CurrentDocument, Globals.ThisAddIn.Application.Selection); try { if (picCC == null || (picCC.Type != Word.WdContentControlType.wdContentControlPicture)) { picCC = CurrentDocument.ContentControls.Add( Word.WdContentControlType.wdContentControlRichText, ref missing); designMode.restoreState(); } } catch (COMException ce) { // Will happen if you try to drag a text node onto an existing image content control log.Debug("Ignoring " + ce.Message); return; } PictureUtils.setPictureHandler(td); picCC.Title = "Image: " + xppe.xpathId; picCC.Tag = td.asQueryString(); PictureUtils.pastePictureIntoCC(picCC, Convert.FromBase64String(nodeContent)); return; } else { title = "Data value: " + xppe.xpathId; needBind = true; } tag = td.asQueryString(); } else if (controlMain.controlMode1.isModeCondition()) { log.Debug("In condition mode"); ConditionsPartEntry cpe = new ConditionsPartEntry(controlMain.model); cpe.setup(CurrentPart.Id, strXPath, prefixMappings, false); cpe.save(); title = "Conditional: " + cpe.conditionId; // Write tag td.set("od:condition", cpe.conditionId); tag = td.asQueryString(); } else if (controlMain.controlMode1.isModeRepeat()) { log.Debug("In repeat mode"); // Need to drop eg [1] (if any), so BetterForm-based interactive processing works if (strXPath.EndsWith("]")) { strXPath = strXPath.Substring(0, strXPath.LastIndexOf("[")); log.Debug("Having dropped '[]': " + strXPath); } XPathsPartEntry xppe = new XPathsPartEntry(controlMain.model); xppe.setup("rpt", CurrentPart.Id, strXPath, prefixMappings, false); xppe.save(); title = "Data value: " + xppe.xpathId; // Write tag td.set("od:repeat", xppe.xpathId); tag = td.asQueryString(); } //create the HTML string strHTML = string.Empty; if (isFlatOPC) { // <?mso-application progid="Word.Document"?> // <pkg:package xmlns:pkg="http://schemas.microsoft.com/office/2006/xmlPackage"> nodeContent = ControlTreeView.EscapeXHTML(nodeContent); strHTML = ClipboardUtilities.GenerateClipboardHTML(needBind, strXPath, Utilities.GetPrefixMappings(xmlnsMgr), CurrentPart.Id, Utilities.MappingType.RichText, title, tag, nodeContent); } else if (isXHTML) { // need to escape eg <span> for it to get through the Clipboard nodeContent = ControlTreeView.EscapeXHTML(nodeContent); // use a RichText control, and set nodeContent strHTML = ClipboardUtilities.GenerateClipboardHTML(needBind, strXPath, Utilities.GetPrefixMappings(xmlnsMgr), CurrentPart.Id, Utilities.MappingType.RichText, title, tag, nodeContent); // alternatively, this could be done in DocumentEvents.doc_ContentControlAfterAdd // but to do it there, we'd need to manually resolve the XPath to // find the value of the CustomXMLNode it pointed to. } else if (!needBind) { // For conditions & repeats, we use a RichText control strHTML = ClipboardUtilities.GenerateClipboardHTML(needBind, strXPath, Utilities.GetPrefixMappings(xmlnsMgr), CurrentPart.Id, Utilities.MappingType.RichText, title, tag); } else { // Normal bind if (OwnerDocument.Schemas.Count > 0) { switch (Utilities.CheckNodeType((XmlNode)tn.Tag)) { case Utilities.MappingType.Date: strHTML = ClipboardUtilities.GenerateClipboardHTML(needBind, strXPath, prefixMappings, CurrentPart.Id, Utilities.MappingType.Date, title, tag); break; case Utilities.MappingType.DropDown: strHTML = ClipboardUtilities.GenerateClipboardHTML(needBind, strXPath, prefixMappings, CurrentPart.Id, Utilities.MappingType.DropDown, title, tag); break; case Utilities.MappingType.Picture: strHTML = ClipboardUtilities.GenerateClipboardHTML(needBind, strXPath, prefixMappings, CurrentPart.Id, Utilities.MappingType.Picture, title, tag); break; default: strHTML = ClipboardUtilities.GenerateClipboardHTML(needBind, strXPath, prefixMappings, CurrentPart.Id, Utilities.MappingType.Text, title, tag); break; } } else { //String val = ((XmlNode)tn.Tag).InnerText; if (ContentDetection.IsBase64Encoded(val)) { // Force picture content control strHTML = ClipboardUtilities.GenerateClipboardHTML(needBind, strXPath, Utilities.GetPrefixMappings(xmlnsMgr), CurrentPart.Id, Utilities.MappingType.Picture, title, tag); } else { strHTML = ClipboardUtilities.GenerateClipboardHTML(needBind, strXPath, Utilities.GetPrefixMappings(xmlnsMgr), CurrentPart.Id, Utilities.MappingType.Text, title, tag); } } } // All cases:- //notify ourselves of a pending drag/drop controlMain.NotifyDragDrop(true); //throw it on the clipboard to drag DataObject dobj = new DataObject(); dobj.SetData(DataFormats.Html, strHTML); dobj.SetData(DataFormats.Text, tn.Text); controlTreeView.DoDragDrop(dobj, DragDropEffects.Move); //notify ourselves of a completed drag/drop controlMain.NotifyDragDrop(false); Clipboard.SetData(DataFormats.Text, ((XmlNode)tn.Tag).InnerXml); }