script_editor.js

IBM RSA下的JSF开发示例

function IBM_RTE_undo(editorName){
	if (backup.length != 1){
		if(index == 0) 
			return;
	
	if(flag == false)
		IBM_RTE_backup(editorName);
	 
	IBM_RTE_getDocument(editorName).body.innerHTML = backup[index - 1];
	
	index = index - 1;
	}
	else{
	 if(flag == false){
		IBM_RTE_backup(editorName);// takes care of first backup if triggers not used

		IBM_RTE_getDocument(editorName).body.innerHTML = "";
		
		index = index - 1;
		}
	}
	
	 flag = index + 1;
}

function IBM_RTE_redo(editorName){
	
	if(index == backup.length - 1) return;
	//end of backup array
	IBM_RTE_getDocument(editorName).body.innerHTML = backup[index + 1];
	index = index + 1;
	flag 	  = index + 1;
}

function IBM_RTE_delayedBak() {
 if(backup[backup.length - 1] == "") IBM_RTE_backup(editorNameSaved);
  else
   if(IBM_RTE_getDocument(editorNameSaved).body.innerHTML != backup[backup.length - 1])
    IBM_RTE_backup(editorNameSaved);
}

function IBM_RTE_printBackup(){
	for(var i=0; i <= index; i++)
	 alert("<<" + i + ">>  " + backup[i]);
}

function IBM_RTE_doAccessibleCompliant(editorName, buttonElement, locale, images, directory, isBidi) {
        IBM_RTE_getWindow(editorName).focus();
	// calculate the position for the dialog relative to the parent window
    var winx = IBM_RTE_isMozilla() ? window.screenX : window.screenLeft;
    var winy = IBM_RTE_isMozilla() ? window.screenY : window.screenTop;
    var winw = IBM_RTE_isMozilla() ? window.innerWidth : IBM_RTE_getDocument(editorName).body.offsetWidth;
    var winh = IBM_RTE_isMozilla() ? window.innerHeight: IBM_RTE_getDocument(editorName).body.offsetHeight;

    var w = 450;
    var h = 230;
    var x = (winw-w)/2+winx;
    var y = (winh-h)/2+winy;

    var rand = Math.round(Math.random()*100000000000000000);
    var winID = "Toxhtml_"+rand;

    var flags = "screenX="+x+",screenY="+y+",left="+x+",top="+y+",width="+w+",height="+h+",resizable=yes,status=no,scrollbars=no,dependent=yes,modal=yes";
	var xhtmlWin = window.open(directory + 'makeAccessibilityCompliant.jsp?locale=' + locale + '&images=' + images + '&editorName=' + editorName + '&directory=' + directory + '&isBidi=' + isBidi, winID, flags);
	xhtmlWin.focus();
}

function addXMPTags(iHTML, remove)
{
	if(remove == true){
		if(iHTML.match(/<xmp id=9669 contentEditable=false style=\"DISPLAY: inline\"><\/xmp>/i) != null){
			iHTML = iHTML.replace(/<xmp id=9669 contentEditable=false style=\"DISPLAY: inline\"><\/xmp>/i, "");
		}
	return iHTML;
	}else{
		if(iHTML.match(/<xmp id=9669 contentEditable=false style=\"DISPLAY: inline\"><\/xmp>/i) == null){
					iHTML = "<xmp id=9669 contentEditable=false style=\"DISPLAY: inline\"></xmp>" + iHTML;
		}
		return iHTML;
	}
}

// only for gecko
var currentParam = -1;
var notnull = false;
var doneNodes = null;
var same_val_across_range_nodes = null;
function checkOverlap(selRange, editorName, which)
{
	if(IBM_RTE_isMozilla()){
		var bodyNode = IBM_RTE_getDocument(editorName).body;
		
		currentParam = -1;
		notnull = false;
		doneNodes = new Array();
		same_val_across_range_nodes = null;

		crawlDomTree(editorName, bodyNode, selRange, which);
		
		if(notnull == true){// display --font--
			return "notnull";
		}else if(same_val_across_range_nodes != null){// there are > 1 text nodes, but all have same font face
			return same_val_across_range_nodes;
		}else{
			return null;
		}
	}
}

function crawlDomTree(editorName, currentElement, selRange, which)
{
	if (currentElement){
		var j;
		var i=0;
		var currentElementChild=currentElement.childNodes[i];
		
		if(currentElementChild != null && currentElementChild.nodeType == 3){
			if(! checkElementAgain(currentElementChild)){
				var gotParam = MozillaIsNodeInRange(editorName, currentElementChild, selRange, which);
				doneNodes[doneNodes.length] = currentElementChild;

				if(currentParam == -1){
					currentParam = gotParam;
				}else	if(gotParam != -1 && gotParam != currentParam && notnull == false){
							if(notnull == false){
								notnull = true; //display --font--
							}
				}else if(gotParam != -1 && gotParam != null){
					same_val_across_range_nodes = gotParam;
				}
			}
		}
		
		while (currentElementChild){
			crawlDomTree(editorName, currentElementChild, selRange, which);
			i++;
			currentElementChild=currentElement.childNodes[i];
		}
	}
}

function checkElementAgain(node)
{
	for(var xxx=0; xxx < doneNodes.length; xxx++){
		if(doneNodes[xxx] == node){
			return true;
		}
	}
	return false;
}

function MozillaIsNodeInRange(editorName, node, selRange, which)
{
	var bodyRange = IBM_RTE_getDocument(editorName).createRange();
	bodyRange.setStartBefore(node);
	bodyRange.setEndAfter(node);

	if(bodyRange.compareBoundaryPoints(0, selRange) >= 0 &&
	   bodyRange.compareBoundaryPoints(3, selRange) <= 0){
				return MozillaGetParam(node, which); //yep, in range :)
	}else if(selRange.compareBoundaryPoints(3, bodyRange) <= 0 &&
		bodyRange.compareBoundaryPoints(0, selRange) <= 0 ){
				return MozillaGetParam(node, which); //yep, in range :)
	}

	return -1;
}

function MozillaGetParam(node, which)
{
	if(which == 1){
			while(node.nodeName != "BODY"){
				if(node.nodeName == "P"){
					if(node.style.fontFamily != "" && node.style.fontFamily != null){
							var mE = MozillaEval(node.style.fontFamily, 1);
							return mE;
					}
				}else if(node.nodeName == "SPAN"){
						if(node.style.fontFamily != "" && node.style.fontFamily != null){
							mE1 = MozillaEval(node.style.fontFamily, 1);
							return mE1;
						}
				}else if(node.nodeName == "FONT"){
					if(node.getAttribute("face") != "" && node.getAttribute("face") != null){
							return MozillaEval(node.getAttribute("face"), 1);
					}
				}
				node = node.parentNode;
			}

		return null;
	}else{//size
		while(node.nodeName != "BODY"){
			if(node.nodeName == "FONT"){
				return MozillaEval(node.getAttribute("size"), 0);
			}

			node = node.parentNode;
		}
		return null;
	}
}

function MozillaEval(fontParam, which)
{
	var fontFaces = new Array("Arial", "Bookman", "Courier", "Garamond", "Lucida Console", "Symbol", "Tahoma", "Times", "Trebuchet", "Verdana");
	var altFontFaces = new Array("arial,helvetica,sans-serif", "bookman old style,new york,times,serif","courier,monaco,monospace,sans-serif","garamond,new york,times,serif", "lucida console,sans-serif", "symbol,fantasy", "tahoma,new york,times,serif", "times new roman,new york,times,serif", "trebuchet ms,helvetica,sans-serif", "verdana,helvetica,sans-serif");

	var fontSizes = new Array("7pt", "9pt", "12pt", "14pt", "18pt", "24pt");

	if(which == 1){//face
		if(fontParam != null){
			fontParam = fontParam.replace(/,[ ]*/gi, ",");
		}

		var face;

		for(var xxx = 0; xxx < fontFaces.length; xxx++){
			if(fontParam.toLowerCase() == fontFaces[xxx].toLowerCase() || 
			   fontParam.toLowerCase() == altFontFaces[xxx].toLowerCase()){
				return fontFaces[xxx];
			}
		}
	}else{//size
		if(fontParam > 0 && fontParam < 7){
			pt = fontSizes[fontParam - 1];
		}else{
			fontParam = 3;
			fontParam = "12pt";
			pt = "12pt";
		}

		return fontParam;
	}
}
// only for gecko

function geckoTableDelete(editorName)
{
	var rng = IBM_RTE_getSelectionRange(editorName);
	var parNode = rng.startContainer;
	/**
	 * if (parNode is a text node){ 
	 *	 nothing  to do
	 * } else if(node at startOffset-1 is a table node){
	 *				delete it baby!
	 *          }
	 * }
	 */

	if(parNode.nodeType != 3){
		if(parNode.hasChildNodes){						
			var children = parNode.childNodes;			
			if(children[rng.startOffset-1].tagName == "P"){  
				var childChildren = children[rng.startOffset-1].childNodes;
				if(childChildren.length != 0){
					if(childChildren[childChildren.length - 1].tagName == "TABLE"){
						children[rng.startOffset-1].removeChild(childChildren[childChildren.length - 1]);
					}
				}
			} else if(children[rng.startOffset-1].tagName == "TABLE"){  
						parNode.removeChild(children[rng.startOffset-1]);
			}
		}
	}else if(rng.startOffset == 0){
		var textNode  = parNode;
		var parent      = parNode.parentNode;
		/**
		 * now, recursively try to find the leftSibling
		 *
		 */
		
		deleteLeftSibling(parent, textNode);

	}
}

function deleteLeftSibling(parent, curNode)
{
	// check if for the parent, the first child is curNode - else go one level up
	var children = parent.childNodes;
	if(children[0] == curNode && parent.tagName != "BODY"){
			deleteLeftSibling(parent.parentNode, parent);
	}else{
		if(curNode.tagName != "BODY"){
			var leftSibling = null;

			for(var xxx = 1; xxx < children.length; xxx++){
				if(children[xxx] == curNode){
					leftSibling = children[xxx - 1];
					break;
				}
			}
			
			if(leftSibling.tagName == "P"){  
				var children = leftSibling.childNodes;
				if(children.length != 0){
					if(children[children.length - 1].tagName == "TABLE"){
						leftSibling.removeChild(children[children.length - 1]);
					}
				}
			} else if(children[rng.startOffset-1].tagName == "TABLE"){  
						parNode.removeChild(children[rng.startOffset-1]);
			}
			if(leftSibling.tagName == "TABLE"){
				parent.removeChild(leftSibling);
			}
		}
	}
}

function printNodes(siblings)
{
	for(var xxx=0; xxx < siblings.length; xxx++){
		alert(siblings[xxx].tagName);
	}
}
// gecko only: backspace table delete

function IBM_RTE_removeDanglingP_BR(editorName)
{
	var bodyNode     = IBM_RTE_getDocument(editorName).body;
	var bodyChildren = bodyNode.childNodes;
	var xmpString     = "<xmp id=9669 contentEditable=false style=\"DISPLAY: inline\"></xmp>";
	/**
	 * IE will always have one node for this case - <P>&nbsp;</P>
	 * Mozilla #@#@#$ has a bit more:
	 *		<br>[#text]
	 *     <p style=".."><br></p>[#text]
	 *     <p style".."><br><br></p>[#text]
	 */
	if(IBM_RTE_isMozilla()){
		switch(bodyChildren.length){
			case 1:
						if(bodyChildren[0].nodeName.toLowerCase() == "br"){
							bodyNode.removeChild(bodyChildren[0]);
							return true; // we removed a <BR> node, so add one before toggling back to view mode.
						}else if(bodyChildren[0].nodeName.toLowerCase() == "p"){ 
							var pKids = bodyChildren[0].childNodes;
							switch(pKids.length){
								case 1:
									if(pKids[0].nodeName.toLowerCase() == "br"){
										bodyNode.removeChild(bodyChildren[0]);
										return true;
									}
								case 2:
									if(pKids[0].nodeName.toLowerCase() == "br" && 
									   pKids[1].nodeName.toLowerCase() == "br" ){
										bodyNode.removeChild(bodyChildren[0]);
										return true;
									}
							}

							return false;
						}else {
								return false;
						}
			case 2: // two nodes, one #text and one <BR> or <BR> inside a <P>
						var textNode = null
						var otherNode = null;

						if(bodyChildren[0].nodeName == "#text"){
							textNode = bodyChildren[0];
							otherNode = bodyChildren[1];
						}else if(bodyChildren[1].nodeName == "#text"){
									textNode = bodyChildren[1];
									otherNode = bodyChildren[0];
						}

						var removeOtherNode = false;
						if(textNode != null && textNode.data == "\n"){ // assure an empty text node
							if(otherNode.nodeName.toLowerCase() == "br"){
								removeOtherNode = true;
							}else 	if(otherNode.nodeName.toLowerCase() == "p"){
								// two cases, innerHTML can be <br> or <br><br>
								var kids = otherNode.childNodes;
								if(kids.length == 1){
									if(kids[0].nodeName.toLowerCase() == "br"){
										removeOtherNode = true;
									}
								}else if(kids.length == 2){
									if(kids[0].nodeName.toLowerCase() == "br" &&
									   kids[1].nodeName.toLowerCase() == "br"){
											removeOtherNode = true;
									}
								}
							}else if(otherNode.nodeName.toLowerCase() == "style" &&
							   otherNode.innerHTML == ""){
								removeOtherNode = true;
							}
							if(removeOtherNode){
								bodyNode.removeChild(otherNode);
								return true;
							}

							return false;
						}
			}
	}else{
		switch(bodyChildren.length){
			case 1: 
				 if(bodyChildren[0] != null &&
					bodyChildren[0].nodeType != 3 &&
				   bodyChildren[0].tagName.toLowerCase() != "p" && 
				  (bodyChildren[0].innerHTML == "" || 
				   bodyChildren[0].innerHTML.toLowerCase() == xmpString.toLowerCase())){ // IE
						bodyNode.removeChild(bodyChildren[0]);
						return false; // always!
				}
			case 2:
				if(bodyChildren[0] != null &&
				   bodyChildren[1] !=