1 | /*
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2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net
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3 | * Copyright (C) 2003-2009 Frederico Caldeira Knabben
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4 | *
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5 | * == BEGIN LICENSE ==
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6 | *
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7 | * Licensed under the terms of any of the following licenses at your
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8 | * choice:
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9 | *
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10 | * - GNU General Public License Version 2 or later (the "GPL")
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11 | * http://www.gnu.org/licenses/gpl.html
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12 | *
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13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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14 | * http://www.gnu.org/licenses/lgpl.html
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15 | *
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16 | * - Mozilla Public License Version 1.1 or later (the "MPL")
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17 | * http://www.mozilla.org/MPL/MPL-1.1.html
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18 | *
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19 | * == END LICENSE ==
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20 | *
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21 | * Utility functions. (Gecko version).
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22 | */
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23 |
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24 | FCKTools.CancelEvent = function( e )
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25 | {
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26 | if ( e )
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27 | e.preventDefault() ;
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28 | }
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29 |
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30 | FCKTools.DisableSelection = function( element )
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31 | {
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32 | if ( FCKBrowserInfo.IsGecko )
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33 | element.style.MozUserSelect = 'none' ; // Gecko only.
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34 | else if ( FCKBrowserInfo.IsSafari )
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35 | element.style.KhtmlUserSelect = 'none' ; // WebKit only.
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36 | else
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37 | element.style.userSelect = 'none' ; // CSS3 (not supported yet).
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38 | }
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39 |
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40 | // Appends a CSS file to a document.
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41 | FCKTools._AppendStyleSheet = function( documentElement, cssFileUrl )
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42 | {
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43 | var e = documentElement.createElement( 'LINK' ) ;
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44 | e.rel = 'stylesheet' ;
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45 | e.type = 'text/css' ;
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46 | e.href = cssFileUrl ;
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47 | documentElement.getElementsByTagName("HEAD")[0].appendChild( e ) ;
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48 | return e ;
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49 | }
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50 |
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51 | // Appends a CSS style string to a document.
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52 | FCKTools.AppendStyleString = function( documentElement, cssStyles )
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53 | {
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54 | if ( !cssStyles )
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55 | return null ;
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56 |
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57 | var e = documentElement.createElement( "STYLE" ) ;
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58 | e.appendChild( documentElement.createTextNode( cssStyles ) ) ;
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59 | documentElement.getElementsByTagName( "HEAD" )[0].appendChild( e ) ;
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60 | return e ;
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61 | }
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62 |
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63 | // Removes all attributes and values from the element.
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64 | FCKTools.ClearElementAttributes = function( element )
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65 | {
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66 | // Loop throw all attributes in the element
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67 | for ( var i = 0 ; i < element.attributes.length ; i++ )
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68 | {
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69 | // Remove the element by name.
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70 | element.removeAttribute( element.attributes[i].name, 0 ) ; // 0 : Case Insensitive
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71 | }
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72 | }
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73 |
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74 | // Returns an Array of strings with all defined in the elements inside another element.
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75 | FCKTools.GetAllChildrenIds = function( parentElement )
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76 | {
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77 | // Create the array that will hold all Ids.
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78 | var aIds = new Array() ;
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79 |
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80 | // Define a recursive function that search for the Ids.
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81 | var fGetIds = function( parent )
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82 | {
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83 | for ( var i = 0 ; i < parent.childNodes.length ; i++ )
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84 | {
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85 | var sId = parent.childNodes[i].id ;
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86 |
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87 | // Check if the Id is defined for the element.
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88 | if ( sId && sId.length > 0 ) aIds[ aIds.length ] = sId ;
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89 |
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90 | // Recursive call.
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91 | fGetIds( parent.childNodes[i] ) ;
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92 | }
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93 | }
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94 |
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95 | // Start the recursive calls.
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96 | fGetIds( parentElement ) ;
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97 |
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98 | return aIds ;
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99 | }
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100 |
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101 | // Replaces a tag with its contents. For example "<span>My <b>tag</b></span>"
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102 | // will be replaced with "My <b>tag</b>".
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103 | FCKTools.RemoveOuterTags = function( e )
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104 | {
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105 | var oFragment = e.ownerDocument.createDocumentFragment() ;
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106 |
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107 | for ( var i = 0 ; i < e.childNodes.length ; i++ )
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108 | oFragment.appendChild( e.childNodes[i].cloneNode(true) ) ;
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109 |
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110 | e.parentNode.replaceChild( oFragment, e ) ;
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111 | }
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112 |
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113 | FCKTools.CreateXmlObject = function( object )
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114 | {
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115 | switch ( object )
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116 | {
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117 | case 'XmlHttp' :
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118 | return new XMLHttpRequest() ;
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119 |
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120 | case 'DOMDocument' :
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121 | // Originaly, we were had the following here:
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122 | // return document.implementation.createDocument( '', '', null ) ;
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123 | // But that doesn't work if we're running under domain relaxation mode, so we need a workaround.
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124 | // See http://ajaxian.com/archives/xml-messages-with-cross-domain-json about the trick we're using.
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125 | var doc = ( new DOMParser() ).parseFromString( '<tmp></tmp>', 'text/xml' ) ;
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126 | FCKDomTools.RemoveNode( doc.firstChild ) ;
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127 | return doc ;
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128 | }
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129 | return null ;
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130 | }
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131 |
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132 | FCKTools.GetScrollPosition = function( relativeWindow )
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133 | {
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134 | return { X : relativeWindow.pageXOffset, Y : relativeWindow.pageYOffset } ;
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135 | }
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136 |
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137 | FCKTools.AddEventListener = function( sourceObject, eventName, listener )
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138 | {
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139 | sourceObject.addEventListener( eventName, listener, false ) ;
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140 | }
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141 |
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142 | FCKTools.RemoveEventListener = function( sourceObject, eventName, listener )
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143 | {
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144 | sourceObject.removeEventListener( eventName, listener, false ) ;
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145 | }
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146 |
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147 | // Listeners attached with this function cannot be detached.
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148 | FCKTools.AddEventListenerEx = function( sourceObject, eventName, listener, paramsArray )
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149 | {
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150 | sourceObject.addEventListener(
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151 | eventName,
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152 | function( e )
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153 | {
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154 | listener.apply( sourceObject, [ e ].concat( paramsArray || [] ) ) ;
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155 | },
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156 | false
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157 | ) ;
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158 | }
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159 |
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160 | // Returns and object with the "Width" and "Height" properties.
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161 | FCKTools.GetViewPaneSize = function( win )
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162 | {
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163 | return { Width : win.innerWidth, Height : win.innerHeight } ;
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164 | }
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165 |
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166 | FCKTools.SaveStyles = function( element )
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167 | {
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168 | var data = FCKTools.ProtectFormStyles( element ) ;
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169 |
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170 | var oSavedStyles = new Object() ;
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171 |
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172 | if ( element.className.length > 0 )
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173 | {
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174 | oSavedStyles.Class = element.className ;
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175 | element.className = '' ;
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176 | }
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177 |
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178 | var sInlineStyle = element.getAttribute( 'style' ) ;
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179 |
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180 | if ( sInlineStyle && sInlineStyle.length > 0 )
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181 | {
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182 | oSavedStyles.Inline = sInlineStyle ;
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183 | element.setAttribute( 'style', '', 0 ) ; // 0 : Case Insensitive
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184 | }
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185 |
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186 | FCKTools.RestoreFormStyles( element, data ) ;
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187 | return oSavedStyles ;
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188 | }
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189 |
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190 | FCKTools.RestoreStyles = function( element, savedStyles )
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191 | {
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192 | var data = FCKTools.ProtectFormStyles( element ) ;
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193 | element.className = savedStyles.Class || '' ;
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194 |
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195 | if ( savedStyles.Inline )
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196 | element.setAttribute( 'style', savedStyles.Inline, 0 ) ; // 0 : Case Insensitive
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197 | else
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198 | element.removeAttribute( 'style', 0 ) ;
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199 | FCKTools.RestoreFormStyles( element, data ) ;
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200 | }
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201 |
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202 | FCKTools.RegisterDollarFunction = function( targetWindow )
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203 | {
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204 | targetWindow.$ = function( id )
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205 | {
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206 | return targetWindow.document.getElementById( id ) ;
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207 | } ;
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208 | }
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209 |
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210 | FCKTools.AppendElement = function( target, elementName )
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211 | {
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212 | return target.appendChild( target.ownerDocument.createElement( elementName ) ) ;
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213 | }
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214 |
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215 | // Get the coordinates of an element.
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216 | // @el : The element to get the position.
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217 | // @relativeWindow: The window to which we want the coordinates relative to.
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218 | FCKTools.GetElementPosition = function( el, relativeWindow )
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219 | {
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220 | // Initializes the Coordinates object that will be returned by the function.
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221 | var c = { X:0, Y:0 } ;
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222 |
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223 | var oWindow = relativeWindow || window ;
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224 |
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225 | var oOwnerWindow = FCKTools.GetElementWindow( el ) ;
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226 |
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227 | var previousElement = null ;
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228 | // Loop throw the offset chain.
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229 | while ( el )
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230 | {
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231 | var sPosition = oOwnerWindow.getComputedStyle(el, '').position ;
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232 |
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233 | // Check for non "static" elements.
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234 | // 'FCKConfig.FloatingPanelsZIndex' -- Submenus are under a positioned IFRAME.
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235 | if ( sPosition && sPosition != 'static' && el.style.zIndex != FCKConfig.FloatingPanelsZIndex )
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236 | break ;
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237 |
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238 | /*
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239 | FCKDebug.Output( el.tagName + ":" + "offset=" + el.offsetLeft + "," + el.offsetTop + " "
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240 | + "scroll=" + el.scrollLeft + "," + el.scrollTop ) ;
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241 | */
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242 |
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243 | c.X += el.offsetLeft - el.scrollLeft ;
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244 | c.Y += el.offsetTop - el.scrollTop ;
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245 |
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246 | // Backtrack due to offsetParent's calculation by the browser ignores scrollLeft and scrollTop.
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247 | // Backtracking is not needed for Opera
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248 | if ( ! FCKBrowserInfo.IsOpera )
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249 | {
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250 | var scrollElement = previousElement ;
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251 | while ( scrollElement && scrollElement != el )
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252 | {
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253 | c.X -= scrollElement.scrollLeft ;
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254 | c.Y -= scrollElement.scrollTop ;
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255 | scrollElement = scrollElement.parentNode ;
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256 | }
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257 | }
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258 |
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259 | previousElement = el ;
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260 | if ( el.offsetParent )
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261 | el = el.offsetParent ;
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262 | else
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263 | {
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264 | if ( oOwnerWindow != oWindow )
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265 | {
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266 | el = oOwnerWindow.frameElement ;
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267 | previousElement = null ;
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268 | if ( el )
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269 | oOwnerWindow = FCKTools.GetElementWindow( el ) ;
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270 | }
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271 | else
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272 | {
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273 | c.X += el.scrollLeft ;
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274 | c.Y += el.scrollTop ;
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275 | break ;
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276 | }
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277 | }
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278 | }
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279 |
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280 | // Return the Coordinates object
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281 | return c ;
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282 | }
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