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: fcktools_gecko.js |
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14 | * Utility functions. (Gecko version). |
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15 | * |
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16 | * File Authors: |
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17 | * Frederico Caldeira Knabben (fredck@fckeditor.net) |
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18 | */ |
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19 | |
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20 | // Constant for the Gecko Bogus Node. |
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21 | var GECKO_BOGUS = FCKBrowserInfo.IsGecko ? '<br _moz_editor_bogus_node="TRUE">' : '' ; |
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22 | |
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23 | FCKTools.CancelEvent = function( e ) |
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24 | { |
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25 | if ( e ) |
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26 | e.preventDefault() ; |
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27 | } |
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28 | |
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29 | FCKTools.DisableSelection = function( element ) |
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30 | { |
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31 | if ( FCKBrowserInfo.IsGecko ) |
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32 | element.style.MozUserSelect = 'none' ; // Gecko only. |
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33 | else |
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34 | element.style.userSelect = 'none' ; // CSS3 (not supported yet). |
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35 | } |
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36 | |
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37 | // Appends a CSS file to a document. |
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38 | FCKTools._AppendStyleSheet = function( documentElement, cssFileUrl ) |
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39 | { |
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40 | var e = documentElement.createElement( 'LINK' ) ; |
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41 | e.rel = 'stylesheet' ; |
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42 | e.type = 'text/css' ; |
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43 | e.href = cssFileUrl ; |
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44 | documentElement.getElementsByTagName("HEAD")[0].appendChild( e ) ; |
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45 | return e ; |
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46 | } |
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47 | |
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48 | // Removes all attributes and values from the element. |
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49 | FCKTools.ClearElementAttributes = function( element ) |
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50 | { |
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51 | // Loop throw all attributes in the element |
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52 | for ( var i = 0 ; i < element.attributes.length ; i++ ) |
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53 | { |
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54 | // Remove the element by name. |
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55 | element.removeAttribute( element.attributes[i].name, 0 ) ; // 0 : Case Insensitive |
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56 | } |
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57 | } |
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58 | |
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59 | // Returns an Array of strings with all defined in the elements inside another element. |
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60 | FCKTools.GetAllChildrenIds = function( parentElement ) |
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61 | { |
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62 | // Create the array that will hold all Ids. |
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63 | var aIds = new Array() ; |
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64 | |
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65 | // Define a recursive function that search for the Ids. |
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66 | var fGetIds = function( parent ) |
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67 | { |
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68 | for ( var i = 0 ; i < parent.childNodes.length ; i++ ) |
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69 | { |
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70 | var sId = parent.childNodes[i].id ; |
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71 | |
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72 | // Check if the Id is defined for the element. |
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73 | if ( sId && sId.length > 0 ) aIds[ aIds.length ] = sId ; |
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74 | |
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75 | // Recursive call. |
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76 | fGetIds( parent.childNodes[i] ) ; |
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77 | } |
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78 | } |
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79 | |
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80 | // Start the recursive calls. |
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81 | fGetIds( parentElement ) ; |
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82 | |
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83 | return aIds ; |
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84 | } |
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85 | |
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86 | FCKTools.RemoveOuterTags = function( e ) |
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87 | { |
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88 | var oFragment = e.ownerDocument.createDocumentFragment() ; |
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89 | |
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90 | for ( var i = 0 ; i < e.childNodes.length ; i++ ) |
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91 | oFragment.appendChild( e.childNodes[i] ) ; |
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92 | |
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93 | e.parentNode.replaceChild( oFragment, e ) ; |
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94 | } |
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95 | |
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96 | FCKTools.CreateXmlObject = function( object ) |
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97 | { |
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98 | switch ( object ) |
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99 | { |
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100 | case 'XmlHttp' : |
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101 | return new XMLHttpRequest() ; |
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102 | case 'DOMDocument' : |
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103 | return document.implementation.createDocument( '', '', null ) ; |
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104 | } |
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105 | return null ; |
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106 | } |
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107 | |
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108 | FCKTools.GetScrollPosition = function( relativeWindow ) |
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109 | { |
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110 | return { X : relativeWindow.pageXOffset, Y : relativeWindow.pageYOffset } ; |
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111 | } |
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112 | |
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113 | FCKTools.AddEventListener = function( sourceObject, eventName, listener ) |
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114 | { |
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115 | sourceObject.addEventListener( eventName, listener, false ) ; |
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116 | } |
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117 | |
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118 | FCKTools.RemoveEventListener = function( sourceObject, eventName, listener ) |
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119 | { |
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120 | sourceObject.removeEventListener( eventName, listener, false ) ; |
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121 | } |
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122 | |
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123 | // Listeners attached with this function cannot be detached. |
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124 | FCKTools.AddEventListenerEx = function( sourceObject, eventName, listener, paramsArray ) |
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125 | { |
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126 | sourceObject.addEventListener( |
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127 | eventName, |
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128 | function( e ) |
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129 | { |
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130 | listener.apply( sourceObject, [ e ].concat( paramsArray || [] ) ) ; |
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131 | }, |
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132 | false |
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133 | ) ; |
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134 | } |
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135 | |
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136 | // Returns and object with the "Width" and "Height" properties. |
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137 | FCKTools.GetViewPaneSize = function( win ) |
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138 | { |
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139 | return { Width : win.innerWidth, Height : win.innerHeight } ; |
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140 | } |
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141 | |
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142 | FCKTools.SaveStyles = function( element ) |
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143 | { |
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144 | var oSavedStyles = new Object() ; |
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145 | |
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146 | if ( element.className.length > 0 ) |
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147 | { |
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148 | oSavedStyles.Class = element.className ; |
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149 | element.className = '' ; |
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150 | } |
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151 | |
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152 | var sInlineStyle = element.getAttribute( 'style' ) ; |
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153 | |
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154 | if ( sInlineStyle && sInlineStyle.length > 0 ) |
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155 | { |
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156 | oSavedStyles.Inline = sInlineStyle ; |
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157 | element.setAttribute( 'style', '', 0 ) ; // 0 : Case Insensitive |
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158 | } |
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159 | |
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160 | return oSavedStyles ; |
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161 | } |
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162 | |
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163 | FCKTools.RestoreStyles = function( element, savedStyles ) |
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164 | { |
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165 | element.className = savedStyles.Class || '' ; |
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166 | |
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167 | if ( savedStyles.Inline ) |
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168 | element.setAttribute( 'style', savedStyles.Inline, 0 ) ; // 0 : Case Insensitive |
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169 | else |
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170 | element.removeAttribute( 'style', 0 ) ; |
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171 | } |
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172 | |
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173 | FCKTools.RegisterDollarFunction = function( targetWindow ) |
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174 | { |
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175 | targetWindow.$ = function( id ) |
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176 | { |
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177 | return this.document.getElementById( id ) ; |
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178 | } ; |
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179 | } |
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180 | |
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181 | FCKTools.AppendElement = function( target, elementName ) |
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182 | { |
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183 | return target.appendChild( target.ownerDocument.createElement( elementName ) ) ; |
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184 | } |
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185 | |
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186 | // Get the coordinates of an element. |
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187 | // @el : The element to get the position. |
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188 | // @relativeWindow: The window to which we want the coordinates relative to. |
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189 | FCKTools.GetElementPosition = function( el, relativeWindow ) |
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190 | { |
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191 | // Initializes the Coordinates object that will be returned by the function. |
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192 | var c = { X:0, Y:0 } ; |
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193 | |
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194 | var oWindow = relativeWindow || window ; |
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195 | |
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196 | var oOwnerWindow = FCKTools.GetElementWindow( el ) ; |
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197 | |
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198 | // Loop throw the offset chain. |
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199 | while ( el ) |
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200 | { |
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201 | var sPosition = oOwnerWindow.getComputedStyle(el, '').position ; |
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202 | |
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203 | // Check for non "static" elements. |
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204 | // 'FCKConfig.FloatingPanelsZIndex' -- Submenus are under a positioned IFRAME. |
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205 | if ( sPosition && sPosition != 'static' && el.style.zIndex != FCKConfig.FloatingPanelsZIndex ) |
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206 | break ; |
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207 | |
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208 | c.X += el.offsetLeft - el.scrollLeft ; |
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209 | c.Y += el.offsetTop - el.scrollTop ; |
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210 | |
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211 | if ( el.offsetParent ) |
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212 | el = el.offsetParent ; |
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213 | else |
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214 | { |
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215 | if ( oOwnerWindow != oWindow ) |
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216 | { |
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217 | if ( el = oOwnerWindow.frameElement ) |
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218 | oOwnerWindow = FCKTools.GetElementWindow( el ) ; |
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219 | } |
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220 | else |
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221 | { |
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222 | c.X += el.scrollLeft ; |
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223 | c.Y += el.scrollTop ; |
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224 | break ; |
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225 | } |
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226 | } |
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227 | } |
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228 | |
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229 | // Return the Coordinates object |
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230 | return c ; |
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231 | } |
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