public ReplaceAction Replacing(ReplacingArgs e)
{
//获取当前节点
var node = e.MatchNode;
//获取当前文档
Document doc = node.Document as Document;
DocumentBuilder builder = new DocumentBuilder(doc);
//将光标移动到指定节点
builder.MoveTo(node);
//插入图片
builder.InsertHtml(html);
return ReplaceAction.Replace;
}
/// <summary>
/// This method is called by the Aspose.Words find and replace engine for each match.
/// This method replaces the match string, even if it spans multiple runs.
/// </summary>
ReplaceAction IReplacingCallback.Replacing(ReplacingArgs e)
{
// This is a Run node that contains either the beginning or the complete match.
Node currentNode = e.MatchNode;
// The first (and may be the only) run can contain text before the match,
// in this case it is necessary to split the run.
if (e.MatchOffset > 0)
currentNode = SplitRun((Run)currentNode, e.MatchOffset);
// This array is used to store all nodes of the match for further removing.
ArrayList runs = new ArrayList();
// Find all runs that contain parts of the match string.
int remainingLength = e.Match.Value.Length;
while (
(remainingLength > 0) &&
(currentNode != null) &&
(currentNode.GetText().Length <= remainingLength))
{
runs.Add(currentNode);
remainingLength = remainingLength - currentNode.GetText().Length;
// Select the next Run node.
// Have to loop because there could be other nodes such as BookmarkStart etc.
do
{
currentNode = currentNode.NextSibling;
}
while ((currentNode != null) && (currentNode.NodeType != NodeType.Run));
}
// Split the last run that contains the match if there is any text left.
if ((currentNode != null) && (remainingLength > 0))
{
SplitRun((Run)currentNode, remainingLength);
runs.Add(currentNode);
}
// Create Document Buidler and insert text.
DocumentBuilder builder = new DocumentBuilder(e.MatchNode.Document as Document);
builder.MoveTo((Run)runs[runs.Count - 1]);
builder.Write(mText);
// Now remove all runs in the sequence.
foreach (Run run in runs)
run.Remove();
// Signal to the replace engine to do nothing because we have already done all what we wanted.
return ReplaceAction.Skip;
}
/// <summary>
/// Finds and splits the match runs and returns them in an ArrayList.
/// </summary>
public ArrayList FindAndSplitMatchRuns(ReplacingArgs args)
{
// This is a Run node that contains either the beginning or the complete match.
Node currentNode = args.MatchNode;
// The first (and may be the only) run can contain text before the match,
// in this case it is necessary to split the run.
if (args.MatchOffset > 0)
currentNode = SplitRun((Run)currentNode, args.MatchOffset);
// This array is used to store all nodes of the match for further removing.
ArrayList runs = new ArrayList();
// Find all runs that contain parts of the match string.
int remainingLength = args.Match.Value.Length;
while (
(remainingLength > 0) &&
(currentNode != null) &&
(currentNode.GetText().Length <= remainingLength))
{
runs.Add(currentNode);
remainingLength = remainingLength - currentNode.GetText().Length;
// Select the next Run node.
// Have to loop because there could be other nodes such as BookmarkStart etc.
do
{
currentNode = currentNode.NextSibling;
}
while ((currentNode != null) && (currentNode.NodeType != NodeType.Run));
}
// Split the last run that contains the match if there is any text left.
if ((currentNode != null) && (remainingLength > 0))
{
SplitRun((Run)currentNode, remainingLength);
runs.Add(currentNode);
}
return runs;
}
ReplaceAction IReplacingCallback.Replacing(ReplacingArgs args)
{
// Create a builder to insert the field.
DocumentBuilder builder = new DocumentBuilder((Document)args.MatchNode.Document);
// Move to the first node of the match.
builder.MoveTo(args.MatchNode);
// If the user specified text to be used in the field as display text then use that, otherwise use the
// Match string as the display text.
string insertText;
if (!string.IsNullOrEmpty(mFieldText))
insertText = mFieldText;
else
insertText = args.Match.Value;
// Insert the TC field before this node using the specified string as the display text and user defined switches.
builder.InsertField(string.Format("TC \"{0}\" {1}", insertText, mFieldSwitches));
// We have done what we want so skip replacement.
return ReplaceAction.Skip;
}
public ReplaceAction Replacing(ReplacingArgs args)
{
ArrayList runs = FindAndSplitMatchRuns(args);
// Create DocumentBuilder which is used to insert the field.
DocumentBuilder builder = new DocumentBuilder((Document)args.MatchNode.Document);
builder.MoveTo((Run)runs[runs.Count - 1]);
// Calculate the name of the field from the FieldType enumeration by removing the first instance of "Field" from the text.
// This works for almost all of the field types.
string fieldName = mFieldType.ToString().ToUpper().Substring(5);
// Insert the field into the document using the specified field type and the match text as the field name.
// If the fields you are inserting do not require this extra parameter then it can be removed from the string below.
builder.InsertField(string.Format("{0} {1}", fieldName, args.Match.Groups[0]));
// Now remove all runs in the sequence.
foreach (Run run in runs)
run.Remove();
// Signal to the replace engine to do nothing because we have already done all what we wanted.
return ReplaceAction.Skip;
}
/// <summary>
/// NOTE: This is a simplistic method that will only work well when the match
/// starts at the beginning of a run.
/// </summary>
ReplaceAction IReplacingCallback.Replacing(ReplacingArgs e)
{
DocumentBuilder builder = new DocumentBuilder((Aspose.Words.Document)e.MatchNode.Document);
builder.MoveTo(e.MatchNode);
// Replace '<CustomerName>' text with a red bold name.
builder.InsertHtml("<b><font color='red'>James Bond</font></b>");
e.Replacement = "";
return ReplaceAction.Replace;
}
/// <summary>
/// This is called during a replace operation each time a match is found.
/// This method appends a number to the match string and returns it as a replacement string.
/// </summary>
ReplaceAction IReplacingCallback.Replacing(ReplacingArgs e)
{
e.Replacement = e.Match.ToString() + mMatchNumber.ToString();
mMatchNumber++;
return ReplaceAction.Replace;
}
ReplaceAction IReplacingCallback.Replacing(ReplacingArgs e)
{
// This is the run node that contains the found text. Note that the run might contain other
// text apart from the URL. All the complexity below is just to handle that. I don't think there
// is a simpler way at the moment.
Run run = (Run)e.MatchNode;
Paragraph para = run.ParentParagraph;
string url = e.Match.Value;
// We are using \xbf (inverted question mark) symbol for temporary purposes.
// Any symbol will do that is non-special and is guaranteed not to be presented in the document.
// The purpose is to split the matched run into two and insert a hyperlink field between them.
para.Range.Replace(url, "\xbf", true, true);
Run subRun = (Run)run.Clone(false);
int pos = run.Text.IndexOf("\xbf");
subRun.Text = subRun.Text.Substring(0, pos);
run.Text = run.Text.Substring(pos + 1, run.Text.Length - pos - 1);
para.ChildNodes.Insert(para.ChildNodes.IndexOf(run), subRun);
mBuilder.MoveTo(run);
// Specify font formatting for the hyperlink.
mBuilder.Font.Color = System.Drawing.Color.Blue;
mBuilder.Font.Underline = Underline.Single;
// Insert the hyperlink.
mBuilder.InsertHyperlink(url, url, false);
// Clear hyperlink formatting.
mBuilder.Font.ClearFormatting();
// Let's remove run if it is empty.
if (run.Text.Equals(""))
run.Remove();
// No replace action is necessary - we have already done what we intended to do.
return ReplaceAction.Skip;
}
ReplaceAction IReplacingCallback.Replacing(ReplacingArgs e)
{
Document subDoc = new Document(RunExamples.GetDataDir_WorkingWithDocument() + "InsertDocument2.doc");
// Insert a document after the paragraph, containing the match text.
Paragraph para = (Paragraph)e.MatchNode.ParentNode;
InsertDocument(para, subDoc);
// Remove the paragraph with the match text.
para.Remove();
return ReplaceAction.Skip;
}
public ReplaceAction Replacing(ReplacingArgs e, int width, int height)
{
//获取当前节点
var node = e.MatchNode;
//获取当前文档
Document doc = node.Document as Document;
DocumentBuilder builder = new DocumentBuilder(doc);
//将光标移动到指定节点
builder.MoveTo(node);
//插入图片
builder.InsertImage(url, width, height);
return ReplaceAction.Replace;
}
ReplaceAction IReplacingCallback.Replacing(ReplacingArgs e)
{
Aspose.Words.Document subDoc = new Aspose.Words.Document(ExDir + "InsertDocument2.doc");
// Insert a document after the paragraph, containing the match text.
Paragraph para = (Paragraph)e.MatchNode.ParentNode;
InsertDocument(para, subDoc);
// Remove the paragraph with the match text.
para.Remove();
return ReplaceAction.Skip;
}
