1 | // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team |
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2 | // |
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3 | // Permission is hereby granted, free of charge, to any person obtaining a copy of this |
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4 | // software and associated documentation files (the "Software"), to deal in the Software |
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5 | // without restriction, including without limitation the rights to use, copy, modify, merge, |
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6 | // publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons |
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7 | // to whom the Software is furnished to do so, subject to the following conditions: |
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8 | // |
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9 | // The above copyright notice and this permission notice shall be included in all copies or |
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10 | // substantial portions of the Software. |
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11 | // |
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12 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
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13 | // INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
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14 | // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE |
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15 | // FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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16 | // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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17 | // DEALINGS IN THE SOFTWARE. |
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18 | |
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19 | using System; |
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20 | using ICSharpCode.NRefactory.Editor; |
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21 | using ICSharpCode.AvalonEdit.Document; |
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22 | using ICSharpCode.AvalonEdit.Editing; |
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23 | |
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24 | namespace ICSharpCode.AvalonEdit.Snippets |
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25 | { |
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26 | /// <summary> |
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27 | /// A code snippet that can be inserted into the text editor. |
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28 | /// </summary> |
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29 | [Serializable] |
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30 | public class Snippet : SnippetContainerElement |
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31 | { |
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32 | /// <summary> |
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33 | /// Inserts the snippet into the text area. |
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34 | /// </summary> |
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35 | public void Insert(TextArea textArea) |
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36 | { |
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37 | if (textArea == null) |
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38 | throw new ArgumentNullException("textArea"); |
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39 | |
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40 | ISegment selection = textArea.Selection.SurroundingSegment; |
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41 | int insertionPosition = textArea.Caret.Offset; |
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42 | |
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43 | if (selection != null) // if something is selected |
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44 | // use selection start instead of caret position, |
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45 | // because caret could be at end of selection or anywhere inside. |
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46 | // Removal of the selected text causes the caret position to be invalid. |
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47 | insertionPosition = selection.Offset + TextUtilities.GetWhitespaceAfter(textArea.Document, selection.Offset).Length; |
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48 | |
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49 | InsertionContext context = new InsertionContext(textArea, insertionPosition); |
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50 | |
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51 | using (context.Document.RunUpdate()) { |
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52 | if (selection != null) |
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53 | textArea.Document.Remove(insertionPosition, selection.EndOffset - insertionPosition); |
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54 | Insert(context); |
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55 | context.RaiseInsertionCompleted(EventArgs.Empty); |
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56 | } |
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57 | } |
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58 | } |
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59 | } |
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