1 | /* |
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2 | * FCKeditor - The text editor for internet |
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3 | * Copyright (C) 2003-2006 Frederico Caldeira Knabben |
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4 | * |
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5 | * Licensed under the terms of the GNU Lesser General Public License: |
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6 | * http://www.opensource.org/licenses/lgpl-license.php |
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7 | * |
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8 | * For further information visit: |
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9 | * http://www.fckeditor.net/ |
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10 | * |
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11 | * "Support Open Source software. What about a donation today?" |
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12 | * |
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13 | * File Name: fckplugin.js |
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14 | * Plugin: automatically resizes the editor until a configurable maximun |
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15 | * height (FCKConfig.AutoGrowMax), based on its contents. |
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16 | * |
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17 | * File Authors: |
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18 | * Frederico Caldeira Knabben (fredck@fckeditor.net) |
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19 | */ |
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20 | |
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21 | var FCKAutoGrow_Min = window.frameElement.offsetHeight ; |
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22 | |
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23 | function FCKAutoGrow_Check() |
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24 | { |
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25 | var oInnerDoc = FCK.EditorDocument ; |
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26 | |
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27 | var iFrameHeight, iInnerHeight ; |
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28 | |
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29 | if ( FCKBrowserInfo.IsIE ) |
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30 | { |
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31 | iFrameHeight = FCK.EditorWindow.frameElement.offsetHeight ; |
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32 | iInnerHeight = oInnerDoc.body.scrollHeight ; |
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33 | } |
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34 | else |
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35 | { |
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36 | iFrameHeight = FCK.EditorWindow.innerHeight ; |
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37 | iInnerHeight = oInnerDoc.body.offsetHeight ; |
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38 | } |
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39 | |
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40 | var iDiff = iInnerHeight - iFrameHeight ; |
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41 | |
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42 | if ( iDiff != 0 ) |
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43 | { |
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44 | var iMainFrameSize = window.frameElement.offsetHeight ; |
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45 | |
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46 | if ( iDiff > 0 && iMainFrameSize < FCKConfig.AutoGrowMax ) |
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47 | { |
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48 | iMainFrameSize += iDiff ; |
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49 | if ( iMainFrameSize > FCKConfig.AutoGrowMax ) |
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50 | iMainFrameSize = FCKConfig.AutoGrowMax ; |
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51 | } |
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52 | else if ( iDiff < 0 && iMainFrameSize > FCKAutoGrow_Min ) |
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53 | { |
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54 | iMainFrameSize += iDiff ; |
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55 | if ( iMainFrameSize < FCKAutoGrow_Min ) |
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56 | iMainFrameSize = FCKAutoGrow_Min ; |
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57 | } |
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58 | else |
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59 | return ; |
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60 | |
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61 | window.frameElement.height = iMainFrameSize ; |
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62 | } |
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63 | } |
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64 | |
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65 | FCK.AttachToOnSelectionChange( FCKAutoGrow_Check ) ; |
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66 | |
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67 | function FCKAutoGrow_SetListeners() |
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68 | { |
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69 | FCK.EditorWindow.attachEvent( 'onscroll', FCKAutoGrow_Check ) ; |
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70 | FCK.EditorDocument.attachEvent( 'onkeyup', FCKAutoGrow_Check ) ; |
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71 | } |
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72 | |
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73 | if ( FCKBrowserInfo.IsIE ) |
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74 | { |
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75 | // FCKAutoGrow_SetListeners() ; |
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76 | FCK.Events.AttachEvent( 'OnAfterSetHTML', FCKAutoGrow_SetListeners ) ; |
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77 | } |
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78 | |
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79 | function FCKAutoGrow_CheckEditorStatus( sender, status ) |
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80 | { |
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81 | if ( status == FCK_STATUS_COMPLETE ) |
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82 | FCKAutoGrow_Check() ; |
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83 | } |
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84 | |
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85 | FCK.Events.AttachEvent( 'OnStatusChange', FCKAutoGrow_CheckEditorStatus ) ; |
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