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: fckpanel.js
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14 | * Component that creates floating panels. It is used by many
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15 | * other components, like the toolbar items, context menu, etc...
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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 |
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22 | var FCKPanel = function( parentWindow )
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23 | {
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24 | this.IsRTL = ( FCKLang.Dir == 'rtl' ) ;
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25 | this.IsContextMenu = false ;
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26 | this._LockCounter = 0 ;
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27 |
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28 | this._Window = parentWindow || window ;
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29 |
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30 | var oDocument ;
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31 |
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32 | if ( FCKBrowserInfo.IsIE )
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33 | {
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34 | // Create the Popup that will hold the panel.
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35 | this._Popup = this._Window.createPopup() ;
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36 | oDocument = this.Document = this._Popup.document ;
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37 | }
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38 | else
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39 | {
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40 | var oIFrame = this._IFrame = this._Window.document.createElement('iframe') ;
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41 | oIFrame.src = 'javascript:void(0)' ;
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42 | oIFrame.allowTransparency = true ;
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43 | oIFrame.frameBorder = '0' ;
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44 | oIFrame.scrolling = 'no' ;
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45 | oIFrame.style.position = 'absolute';
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46 | oIFrame.style.zIndex = FCKConfig.FloatingPanelsZIndex ;
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47 | oIFrame.width = oIFrame.height = 0 ;
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48 |
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49 | if ( this._Window == window.parent && window.frameElement )
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50 | window.frameElement.parentNode.insertBefore( oIFrame, window.frameElement ) ;
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51 | else
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52 | this._Window.document.body.appendChild( oIFrame ) ;
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53 |
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54 | var oIFrameWindow = oIFrame.contentWindow ;
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55 |
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56 | oDocument = this.Document = oIFrameWindow.document ;
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57 |
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58 | // Initialize the IFRAME document body.
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59 | oDocument.open() ;
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60 | oDocument.write( '<html><head></head><body style="margin:0px;padding:0px;"><\/body><\/html>' ) ;
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61 | oDocument.close() ;
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62 |
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63 | FCKTools.AddEventListenerEx( oIFrameWindow, 'focus', FCKPanel_Window_OnFocus, this ) ;
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64 | FCKTools.AddEventListenerEx( oIFrameWindow, 'blur', FCKPanel_Window_OnBlur, this ) ;
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65 | }
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66 |
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67 | oDocument.dir = FCKLang.Dir ;
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68 |
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69 | oDocument.oncontextmenu = FCKTools.CancelEvent ;
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70 |
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71 |
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72 | // Create the main DIV that is used as the panel base.
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73 | this.MainNode = oDocument.body.appendChild( oDocument.createElement('DIV') ) ;
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74 |
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75 | // The "float" property must be set so Firefox calculates the size correcly.
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76 | this.MainNode.style.cssFloat = this.IsRTL ? 'right' : 'left' ;
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77 |
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78 | if ( FCK.IECleanup )
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79 | FCK.IECleanup.AddItem( this, FCKPanel_Cleanup ) ;
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80 | }
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81 |
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82 |
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83 | FCKPanel.prototype.AppendStyleSheet = function( styleSheet )
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84 | {
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85 | FCKTools.AppendStyleSheet( this.Document, styleSheet ) ;
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86 | }
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87 |
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88 | FCKPanel.prototype.Preload = function( x, y, relElement )
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89 | {
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90 | // The offsetWidth and offsetHeight properties are not available if the
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91 | // element is not visible. So we must "show" the popup with no size to
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92 | // be able to use that values in the second call (IE only).
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93 | if ( this._Popup )
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94 | this._Popup.show( x, y, 0, 0, relElement ) ;
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95 | }
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96 |
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97 | FCKPanel.prototype.Show = function( x, y, relElement, width, height )
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98 | {
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99 | if ( this._Popup )
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100 | {
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101 | // The offsetWidth and offsetHeight properties are not available if the
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102 | // element is not visible. So we must "show" the popup with no size to
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103 | // be able to use that values in the second call.
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104 | this._Popup.show( x, y, 0, 0, relElement ) ;
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105 |
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106 | // The following lines must be place after the above "show", otherwise it
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107 | // doesn't has the desired effect.
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108 | this.MainNode.style.width = width ? width + 'px' : '' ;
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109 | this.MainNode.style.height = height ? height + 'px' : '' ;
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110 |
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111 | var iMainWidth = this.MainNode.offsetWidth ;
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112 |
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113 | if ( this.IsRTL )
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114 | {
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115 | if ( this.IsContextMenu )
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116 | x = x - iMainWidth + 1 ;
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117 | else if ( relElement )
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118 | x = ( x * -1 ) + relElement.offsetWidth - iMainWidth ;
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119 | }
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120 |
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121 | // Second call: Show the Popup at the specified location, with the correct size.
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122 | this._Popup.show( x, y, iMainWidth, this.MainNode.offsetHeight, relElement ) ;
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123 |
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124 | if ( this.OnHide )
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125 | {
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126 | if ( this._Timer )
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127 | CheckPopupOnHide.call( this, true ) ;
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128 |
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129 | this._Timer = FCKTools.SetInterval( CheckPopupOnHide, 100, this ) ;
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130 | }
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131 | }
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132 | else
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133 | {
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134 | // Do not fire OnBlur while the panel is opened.
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135 | if ( typeof( FCKFocusManager ) != 'undefined' )
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136 | FCKFocusManager.Lock() ;
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137 |
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138 | if ( this.ParentPanel )
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139 | this.ParentPanel.Lock() ;
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140 |
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141 | this.MainNode.style.width = width ? width + 'px' : '' ;
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142 | this.MainNode.style.height = height ? height + 'px' : '' ;
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143 |
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144 | var iMainWidth = this.MainNode.offsetWidth ;
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145 |
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146 | if ( !width ) this._IFrame.width = 1 ;
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147 | if ( !height ) this._IFrame.height = 1 ;
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148 |
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149 | // This is weird... but with Firefox, we must get the offsetWidth before
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150 | // setting the _IFrame size (which returns "0"), and then after that,
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151 | // to return the correct width. Remove the first step and it will not
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152 | // work when the editor is in RTL.
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153 | iMainWidth = this.MainNode.offsetWidth ;
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154 |
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155 | var oPos = FCKTools.GetElementPosition( ( relElement.nodeType == 9 ? relElement.body : relElement), this._Window ) ;
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156 |
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157 | if ( this.IsRTL && !this.IsContextMenu )
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158 | x = ( x * -1 ) ;
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159 |
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160 | x += oPos.X ;
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161 | y += oPos.Y ;
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162 |
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163 | if ( this.IsRTL )
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164 | {
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165 | if ( this.IsContextMenu )
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166 | x = x - iMainWidth + 1 ;
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167 | else if ( relElement )
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168 | x = x + relElement.offsetWidth - iMainWidth ;
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169 | }
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170 | else
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171 | {
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172 | var oViewPaneSize = FCKTools.GetViewPaneSize( this._Window ) ;
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173 | var oScrollPosition = FCKTools.GetScrollPosition( this._Window ) ;
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174 |
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175 | var iViewPaneHeight = oViewPaneSize.Height + oScrollPosition.Y ;
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176 | var iViewPaneWidth = oViewPaneSize.Width + oScrollPosition.X ;
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177 |
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178 | if ( ( x + iMainWidth ) > iViewPaneWidth )
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179 | x -= x + iMainWidth - iViewPaneWidth ;
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180 |
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181 | if ( ( y + this.MainNode.offsetHeight ) > iViewPaneHeight )
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182 | y -= y + this.MainNode.offsetHeight - iViewPaneHeight ;
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183 | }
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184 |
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185 | if ( x < 0 )
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186 | x = 0 ;
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187 |
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188 | // Set the context menu DIV in the specified location.
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189 | this._IFrame.style.left = x + 'px' ;
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190 | this._IFrame.style.top = y + 'px' ;
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191 |
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192 | var iWidth = iMainWidth ;
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193 | var iHeight = this.MainNode.offsetHeight ;
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194 |
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195 | this._IFrame.width = iWidth ;
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196 | this._IFrame.height = iHeight ;
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197 |
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198 | // Move the focus to the IFRAME so we catch the "onblur".
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199 | this._IFrame.contentWindow.focus() ;
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200 | }
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201 |
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202 | this._IsOpened = true ;
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203 |
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204 | FCKTools.RunFunction( this.OnShow, this ) ;
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205 | }
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206 |
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207 | FCKPanel.prototype.Hide = function( ignoreOnHide )
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208 | {
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209 | if ( this._Popup )
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210 | this._Popup.hide() ;
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211 | else
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212 | {
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213 | if ( !this._IsOpened )
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214 | return ;
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215 |
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216 | // Enable the editor to fire the "OnBlur".
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217 | if ( typeof( FCKFocusManager ) != 'undefined' )
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218 | FCKFocusManager.Unlock() ;
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219 |
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220 | // It is better to set the sizes to 0, otherwise Firefox would have
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221 | // rendering problems.
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222 | this._IFrame.width = this._IFrame.height = 0 ;
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223 |
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224 | this._IsOpened = false ;
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225 |
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226 | if ( this.ParentPanel )
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227 | this.ParentPanel.Unlock() ;
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228 |
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229 | if ( !ignoreOnHide )
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230 | FCKTools.RunFunction( this.OnHide, this ) ;
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231 | }
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232 | }
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233 |
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234 | FCKPanel.prototype.CheckIsOpened = function()
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235 | {
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236 | if ( this._Popup )
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237 | return this._Popup.isOpen ;
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238 | else
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239 | return this._IsOpened ;
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240 | }
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241 |
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242 | FCKPanel.prototype.CreateChildPanel = function()
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243 | {
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244 | var oWindow = this._Popup ? FCKTools.GetParentWindow( this.Document ) : this._Window ;
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245 |
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246 | var oChildPanel = new FCKPanel( oWindow, true ) ;
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247 | oChildPanel.ParentPanel = this ;
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248 |
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249 | return oChildPanel ;
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250 | }
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251 |
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252 | FCKPanel.prototype.Lock = function()
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253 | {
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254 | this._LockCounter++ ;
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255 | }
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256 |
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257 | FCKPanel.prototype.Unlock = function()
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258 | {
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259 | if ( --this._LockCounter == 0 && !this.HasFocus )
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260 | this.Hide() ;
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261 | }
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262 |
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263 | /* Events */
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264 |
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265 | function FCKPanel_Window_OnFocus( e, panel )
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266 | {
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267 | panel.HasFocus = true ;
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268 | }
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269 |
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270 | function FCKPanel_Window_OnBlur( e, panel )
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271 | {
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272 | panel.HasFocus = false ;
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273 |
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274 | if ( panel._LockCounter == 0 )
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275 | FCKTools.RunFunction( panel.Hide, panel ) ;
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276 | }
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277 |
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278 | function CheckPopupOnHide( forceHide )
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279 | {
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280 | if ( forceHide || !this._Popup.isOpen )
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281 | {
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282 | window.clearInterval( this._Timer ) ;
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283 | this._Timer = null ;
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284 |
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285 | FCKTools.RunFunction( this.OnHide, this ) ;
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286 | }
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287 | }
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288 |
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289 | function FCKPanel_Cleanup()
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290 | {
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291 | this._Popup = null ;
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292 | this._Window = null ;
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293 | this.Document = null ;
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294 | this.MainNode = null ;
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295 | } |
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