[389] | 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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