下面是原码_PHP
程序员文章站
2022-05-22 14:47:38
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function Folder(folderDescription, hreference,parentid,target) { //constant data; this.desc = folderDescription; this.parentid=parentid; this.hreference = hreference; this.target=target; this.id = index; this.navObj = 0; this.iconImg = 0; this.nodeImg = 0; this.isLastNode = 0; // dynamic data this.isRoot = true; this.isOpen = true; this.iconSrc=imageURL+"ftv2folderopen.gif"; this.iconRoot =imageURL+"ftv2folderopen.gif"; this.children = new Array; this.nChildren = 0; // methods this.initialize = initializeFolder; this.setState = setStateFolder; this.addChild = addChild; this.createIndex = createEntryIndex; this.hide = hideFolder; this.display = display; this.renderOb = drawFolder; this.totalHeight = totalHeight; this.subEntries = folderSubEntries; this.outputLink = outputFolderLink; } function setStateFolder(isOpen) { var subEntries; var totalHeight; var fIt = 0; var i = 0; if(isOpen == this.isOpen) return; if(browserVersion == 2) { totalHeight = 0 for(i = 0; i < this.nChildren; i++) totalHeight = totalHeight + this.children[i].navObj.clip.height; subEntries = this.subEntries(); if(this.isOpen) totalHeight = 0 - totalHeight; for(fIt = this.id + subEntries + 1; fIt < nEntries; fIt++) indexOfEntries[fIt].navObj.moveBy(0, totalHeight); } this.isOpen = isOpen; propagateChangesInState(this); } function propagateChangesInState(folder) { var i = 0; if(folder.isOpen) { if(folder.nodeImg) { if(folder.isLastNode) folder.nodeImg.src = imageURL+"ftv2mlastnode.gif"; else folder.nodeImg.src = imageURL+"ftv2mnode.gif"; } if(this.isRoot) folder.iconImg.src = imageURL+"ftv2_mail.gif"; else folder.iconImg.src = imageURL+"ftv2folderopen.gif"; for(i = 0; i < folder.nChildren; i++) folder.children[i].display(); } else { if(folder.nodeImg) { if(folder.isLastNode) folder.nodeImg.src = imageURL+"ftv2plastnode.gif"; else folder.nodeImg.src = imageURL+"ftv2pnode.gif"; } if(this.isRoot) folder.iconImg.src = imageURL+"ftv2_mail.gif"; else folder.iconImg.src = imageURL+"ftv2folderclosed.gif"; for(i = 0; i < folder.nChildren; i++) folder.children[i].hide(); } } function hideFolder() { if(browserVersion == 1) { if(this.navObj.style.display == "none") return; this.navObj.style.display = "none"; } else { if(this.navObj.visibility == "hiden") return; this.navObj.visibility = "hiden"; } this.setState(0); } function initializeFolder(level, lastNode, leftSide) { var i = 0; var j = 0; var numberOfFolders; var numberOfDocs; nc = this.nChildren; this.createIndex(); var nc; var auxEv = ""; if(browserVersion > 0) auxEv = ""; else auxEv = ""; if(level > 0) { if(lastNode) { //the last 'brother' in the children array this.renderOb(leftSide + auxEv + ""); leftSide = leftSide + ""; this.isLastNode = 1; } else { this.renderOb(leftSide + auxEv + ""); leftSide = leftSide + ""; this.isLastNode = 0; } } else { this.renderOb(""); } if(nc > 0) { level = level + 1; for(i = 0; i < this.nChildren; i++) { if(i == this.nChildren-1) this.children[i].initialize(level, 1, leftSide); else this.children[i].initialize(level, 0, leftSide); } } } function drawFolder(leftSide) { if(browserVersion == 2) { if(!doc.yPos) doc.yPos = 8; doc.write(""); } if(browserVersion == 1) { this.navObj = doc.all["folder"+this.id]; this.iconImg = doc.all["folderIcon"+this.id] this.nodeImg = doc.all["nodeIcon"+this.id] } else if(browserVersion == 2) { this.navObj = doc.layers["folder"+this.id]; this.iconImg = this.navObj.document.images["folderIcon"+this.id]; this.nodeImg = this.navObj.document.images["nodeIcon"+this.id]; doc.yPos = doc.yPos + this.navObj.clip.height; } }
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