Telerik RadControls for ASP.NET AJAX Q1 2009 SP2 Source (2009年5月...

Type.registerNamespace("Telerik.Web.UI"); Type.registerNamespace("Telerik.Web.UI.Editor"); Telerik.Web.UI.Editor.Utils = { getInvisibleParent : function(parent) { while(parent != document) { if ("none" == TelerikCommonScripts.getCurrentStyle(parent, "display", "")) { return parent; } parent = parent.parentNode; } return null; }, evalScriptCode : function(scriptCode) { var isSafari = Telerik.Web.Browser.isSafari; if (isSafari) { scriptCode = scriptCode.replace(/^\s*<!--((.|\n)*)-->\s*$/mi, "$1"); } var newScript = document.createElement("script"); newScript.setAttribute("type", "text/javascript"); if (isSafari) { newScript.appendChild(document.createTextNode(scriptCode)); } else { newScript.text = scriptCode; } var scriptContainer = document.getElementsByTagName("head")[0]; scriptContainer.appendChild(newScript); if (isSafari) { newScript.innerHTML = ""; } else { newScript.parentNode.removeChild(newScript); } }, //Function that returns cleaned content according to supplied [editor] settings cleanPastedContent : function(dirtyText, stripOptions, questionMessage) { var cleanedText = dirtyText; if (stripOptions == Telerik.Web.UI.StripFormattingOptions.None) { if ((dirtyText.match(/style="[^"]*?mso[^"]*?"/ig) || dirtyText.match(/class="?[^"]*?mso[^"]*?"?/ig)) && confirm(questionMessage)) { cleanedText = Telerik.Web.UI.Editor.Utils.stripFormatting(dirtyText , "WORD"); }//else do nothing } else if (stripOptions & Telerik.Web.UI.StripFormattingOptions.All) { cleanedText = Telerik.Web.UI.Editor.Utils.stripFormatting(dirtyText , "ALL"); } else { if (stripOptions & Telerik.Web.UI.StripFormattingOptions.MSWordRemoveAll) { dirtyText = Telerik.Web.UI.Editor.Utils.stripFormatting(dirtyText, "WORD_ALL"); } if (stripOptions & Telerik.Web.UI.StripFormattingOptions.MSWordNoFonts) { dirtyText = Telerik.Web.UI.Editor.Utils.stripFormatting(dirtyText, "WORD_NO_FONTS"); } if (stripOptions & Telerik.Web.UI.StripFormattingOptions.MSWord) { dirtyText = Telerik.Web.UI.Editor.Utils.stripFormatting(dirtyText, "WORD"); } if (stripOptions & Telerik.Web.UI.StripFormattingOptions.Css) { dirtyText = Telerik.Web.UI.Editor.Utils.stripFormatting(dirtyText, "CSS"); } if (stripOptions & Telerik.Web.UI.StripFormattingOptions.Font) { dirtyText = Telerik.Web.UI.Editor.Utils.stripFormatting(dirtyText, "FONT"); } if (stripOptions & Telerik.Web.UI.StripFormattingOptions.Span) { dirtyText = Telerik.Web.UI.Editor.Utils.stripFormatting(dirtyText, "SPAN"); } cleanedText = dirtyText; } return cleanedText; }, isCursorMovingKey : function(keyCode) { if (keyCode >= 33 && keyCode <= 40) return true;//up, down, end, home, left, up, right, down return false; }, isSystemKey : function (keyCode) { if (keyCode >=112 && keyCode <=123)return true;//F1 - F12 if (keyCode >=8 && keyCode <=27) return true;//BACK (8) -> ESC (27) if (keyCode >=32 && keyCode <=46) return true;//SPACE (32) -> DELETE (46) if (keyCode == 93) return true;//Context menu return false; }, storeBrowserPosition : function() { var oBody = document.body; var oDoc = document.documentElement; this._browserTop = oBody.scrollTop > oDoc.scrollTop ? oBody.scrollTop : oDoc.scrollTop; this._browserLeft = oBody.scrollLeft > oDoc.scrollLeft ? oBody.scrollTop : oDoc.scrollLeft; }, restoreBrowserPosition : function(left, top) { try { if (null == left) left = this._browserLeft; if (null == top) top = this._browserTop; var oBody = document.body; var oDoc = document.documentElement; oBody.scrollTop = top; oBody.scrollLeft = left; oDoc.scrollTop = top; oDoc.scrollLeft = left; } catch(ex){}; }, _getPasteIframe : function() { if (!this._pasteIframe) { this._pasteIframe = document.createElement("IFRAME"); var style = this._pasteIframe.style; style.width = "1px"; style.height = "1px"; style.border = "0px solid red"; style.overflow = "hidden"; style.position = "absolute"; //It MUST be added to the document immediately, or there are problems document.body.appendChild(this._pasteIframe); var doc = this._pasteIframe.contentWindow.document; //Must use document.open - or else under IE the iframe does not have a body object immediately to access - needs a timeout and this causes many problems. var oNewDoc = doc.open("text/html", "replace"); var sMarkup = "<html><head><title>New Document</title></head>" + "<body contentEditable='true' style='overflow:hidden;margin:0px;padding:0px;height:100%'>" + "</html>"; oNewDoc.write(sMarkup); oNewDoc.close(); } return this._pasteIframe; }, getPasteContainer : function() { var area = this._getPasteIframe(); return area.contentWindow.document.body; }, getClipboardAsHtml : function() { var div = this.getPasteContainer(); div.innerHTML = ""; div.setActive(); document.execCommand('Paste', null);//RE5-4357 - Causes the page to scroll down if scrollers exist! //TEKI: New - keeps the scroll position, but strips automatically some of the Word formatting, e.g. the margin=0 of P tags. //This is not very good. So, the old approach was restored //document.selection.createRange().execCommand('Paste', null); var oPaste = div.innerHTML; div.innerHTML = ""; return oPaste; }, //==================== Format stripping and paste modification functions ===========================================// stripFormatting : function(textHtml, clearValue) { switch (clearValue) { case "ALL": textHtml = textHtml.replace(/<\/?[^>]*>/ig, ""); break; case "WORD": case "WORD_ALL": case "WORD_NO_FONTS": textHtml = this.stripWordFormatting(textHtml, clearValue); break; case "CSS": textHtml = textHtml.replace(new RegExp("(<[^>]+) class=[^ |^>]*([^>]*>)", "ig"), "$1 $2"); textHtml = textHtml.replace(/(<[^>]+) style="[^"]*"([^>]*>)/ig, "$1 $2"); break; case "FONT": textHtml = textHtml.replace(/<\/?font[^>]*>/ig, ""); break; case "SPAN": textHtml = textHtml.replace(/<\/?span[^>]*>/ig, ""); break; default://TO DO: Perhaps add an array to allow people to add their own format strippers break; } return textHtml; }, replaceNewLineWithBr : function(textData) { try { textData = textData.replace(/\n/g, "<br>"); return textData; } catch (exc) {} }, convertText2Html : function(text) { try { text = text.replace(/</g, "&lt;"); text = text.replace(/>/g, "&gt;"); text = text.replace(/\n/g, "<br>"); return text; } catch (exc) {} }, clearWordAttributesInElement : function(domObject, clearValue) { var allChilds = document.all ? domObject.all : domOb