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alai_tree.js
资源名称：(J2EE)oa.rar　[点击查看]
上传用户：lm2018
上传日期：2015-12-12
资源大小：30449k
文件大小：18k
源码类别：

Jsp/Servlet

开发平台：

Java

alai_tree.js：源码内容
  1. /*******************************************************************************
  2. 阿赖目录树控件程序 由赖国欣设计于2003年6月，保留所有权利！
  3. *********************************************************************************/
  4. function alai_imagelist()
  5. {try{
  6. var item=[]
  7. count=0
  8. this.path=""
  9. this.type="gif"
  10. this.err=""
  11. iml=this
  12. this.copywrite="Copywrite by Alai(赖国欣) (c)2003，All right reserved!"
  13. this.add=function(src,key)
  14. {
  15. var img=new Image()
  16. if(src==null || src=="")return
  17. if(src.indexOf("/")==-1)src=iml.path+src
  18. if(!(/.gif$|.jpg$|.png$|.bmp$/i).test(src))src+="."+iml.type
  19. if(key==null || key=="")key=src.replace(/(.*/){0,}([^.]+).*/ig,"$2")
  20. item[count]=img;img.index=count;item[key]=img;count++;
  21. img.onerror=function()
  22. {
  23. alert("alai_imagelist cause run time error:nImage file "+img.src+" not found!")
  24. item[img.index]=null;item[key]=null;count--;
  25. }
  26. img.src=src
  27. return img
  28. }
  29. this.item=item
  30. this.count=function(){return count;}
  31. }
  32. catch(e){
  33. iml.err="alai_imagelist cause run time error!nError number:"+e.number+".nError description:"+e.description;
  34. iml.err+="n    -- nYou can send the case and error description message to A@lai.com.cn for support.Please visit http://www.9499.net to get the last release!"
  35. alert(iml.err);
  36. return iml;
  37. }
  38. }
  40. function alai_tree(imageList,indent,toObject,labelStyle)
  41. {try{
  42. if(!document.getElementById){throw new Error(999,"Your browser dosen't support Alai_tree(),IE5.0+ is recommended.");}
  43. var count=0,depth=0,nodes=[],tree=this
  44. this.copywrite="Copywrite by Alai(赖国欣) (c)2003，All right reserved!"
  45. this.err=""
  46. imageList=imageList==null?new alai_imagelist():imageList
  47. var icons=imageList.item
  48. this.imageList=imageList
  49. if(icons["default"]!=null){if(icons["link"]==null)icons["link"]=icons["default"]}
  50. var showExpand=icons["expand"]!=null && icons["collapse"]!=null
  51. if(showExpand)
  52. { if(icons["expand_top"]==null)icons["expand_top"]=icons["expand"]
  53. if(icons["expand_end"]==null)icons["expand_end"]=icons["expand"]
  54. if(icons["collapse_top"]==null)icons["collapse_top"]=icons["collapse"]
  55. if(icons["collapse_end"]==null)icons["collapse_end"]=icons["collapse"]
  56. }
  57. var showBranch=icons["leaf"]!=null && icons["twig"]!=null
  58. var showLine=icons["line"]!=null && icons["blank"]!=null
  59. var root={}
  60. root.children=[]
  61. root.expanded=true;
  62. root.getTier=function(){return 0;}
  63. var selectedNode=null,activeNode=null;
  64. Array.prototype.remove=function(index){if(index<0 || index>=this.length)return;for(var i=index;i<this.length;i++)this[i]=this[i+1];this.length--;}
  65. Array.prototype.indexOf=function(elm){for(var i=0;i<this.length;i++)if(elm==this[i])return i;return -1;}
  66. var setExIcon=function(srcNode)
  67. { if(srcNode.hasChild && showExpand)
  68. { var sEx=srcNode.next==null?"_end":"";
  69. if(srcNode==nodes[0])sEx="_top";
  70. srcNode.exIcon.src=srcNode.expanded?icons["collapse"+sEx].src:icons["expand"+sEx].src;
  71. srcNode.icon.style.marginLeft=0;
  72. }
  73. else
  74. { if(showBranch){srcNode.exIcon.src=srcNode.next==null?icons["twig"].src:icons["leaf"].src}
  75. else if(showExpand){srcNode.icon.style.marginLeft=icons["expand"].width}
  76. }
  77. }
  78. var setLine=function(srcNode,idx)
  79. { if(srcNode.hasChild){for(var i=0;i<srcNode.children.length;i++){srcNode.children[i].lineIcon[idx].src=icons["line"].src;setLine(srcNode.children[i],idx)}}
  80. }
  81. var doSelect=function(srcNode)
  82. { if(selectedNode!=null){selectedNode.label.style.background="";selectedNode.label.style.color="black";}
  83. srcNode.label.style.background="highlight";srcNode.label.style.color="highlighttext";
  84. selectedNode=srcNode
  85. }
  86. var doFocus=function(srcNode)
  87. { if(srcNode==selectedNode){srcNode.label.style.background="highlight";srcNode.label.style.color="highlighttext";}
  88. activeNode=srcNode
  89. }
  90. var doBlur=function(srcNode)
  91. { if(srcNode==selectedNode){srcNode.label.style.background="buttonface";srcNode.label.style.color="windowtext";}
  92. activeNode=null
  93. }
  94. var run=function(cmd,a0,a1,a2)
  95. {
  96. if(typeof(cmd)=="string")
  97. { try{return eval(cmd);}
  98. catch(E){alert("run script string error:n"+cmd);}
  99. }
  100. else if(typeof(cmd)=="function"){return cmd(a0,a1,a2);}
  101. }
  102. var doKeyDown=function(srcNode)
  103. { event.returnValue=false;
  104. switch(event.keyCode)
  105. { case 38:
  106. if(srcNode.prev==null){if(srcNode.parent!=root){srcNode.parent.focus();srcNode.parent.select();}}
  107. else{var node=srcNode.prev;while(true){if(!node.hasChild || !node.expanded)break;node=node.last;} node.focus();node.select();}
  108. break;
  109. case 40:
  110. if(srcNode.first!=null && srcNode.expanded){srcNode.first.focus();srcNode.first.select();}
  111. else{var node=srcNode;while(true){if(node.next!=null || node.parent==root)break;node=node.parent}if(node.next!=null){node.next.focus();node.next.select();}}
  112. break;
  113. case 189: ;case 109: ;case 37: srcNode.expand(false);break;
  114. case 107: ;case 187: ;case 39: srcNode.expand(true);break;
  115. case 13: srcNode.click();break;
  116. case 27: srcNode.blur();break;
  117. }
  118. }
  119. var addNode=function(toNode,relation,text,key,ico,exeCategory,exeArg)
  120. {
  121. var node={}
  122. var nbody=document.createElement("span")
  123. var container=document.createElement("div")
  124. container.insertAdjacentElement("afterBegin",nbody)
  125. var tier
  126. if(relation==null)relation="last"
  127. if(toNode==root && (relation!="first" && relation!="last"))relation="last"
  128. relation=relation.toLowerCase()
  129. node.first=node.last=node.next=node.prev=null
  130. switch(relation)
  131. { case "first":
  132. tier=toNode.getTier()+1
  133. if(toNode.hasChild){toNode.children[0].container.insertAdjacentElement("beforeBegin",container);}
  134. else {toNode.container.insertAdjacentElement("beforeEnd",container)}
  135. node.parent=toNode
  136. toNode.children[toNode.children.length]=node
  137. if(toNode.hasChild){node.next=toNode.first;toNode.first.prev=node;toNode.first=node;}
  138. else{toNode.first=toNode.last=node;}
  139. break;
  140. case "next":
  141. tier=toNode.getTier()
  142. toNode.container.insertAdjacentElement("afterEnd",container)
  143. node.parent=toNode.parent
  144. toNode.parent.children[toNode.parent.children.length]=node
  145. if(toNode.next==null)node.parent.last=node
  146. node.next=toNode.next;node.prev=toNode;toNode.next=node;
  147. break;
  148. case "prev":
  149. tier=toNode.getTier()
  150. toNode.container.insertAdjacentElement("beforeBegin",container)
  151. node.parent=toNode.parent
  152. toNode.parent.children[toNode.parent.children.length]=node
  153. if(toNode.prev==null)node.parent.first=node
  154. node.prev=toNode.prev;node.next=toNode;toNode.prev=node
  155. break;
  156. default:
  157. tier=toNode.getTier()+1
  158. toNode.children[toNode.children.length]=node
  159. var o=toNode==root?tree.body:toNode.container
  160. o.insertAdjacentElement("beforeEnd",container)
  161. node.parent=toNode
  162. if(toNode.hasChild){node.prev=toNode.last;toNode.last.next=node;toNode.last=node;}
  163. else{toNode.first=toNode.last=node;}
  164. }
  165. node.parent.hasChild=true
  166. if(depth<tier)depth=tier;
  167. var label=document.createElement("span")
  168. container.style.cssText="margin:0px;padding:0px;white-space:nowrap;"
  169. with(nbody)
  170. { insertAdjacentElement("beforeEnd",label)
  171. style.cssText="cursor:default;text-align:left;color:black;font-size:10pt;margin:0;"
  172. style.display=node.parent.expanded?"block":"none"
  173. indent=indent>=0?indent:16;nbody.style.textIndent=indent*(tier-1)
  174. }
  175. var icon=new Image()
  176. ico=ico==null||ico==""?"default":ico
  177. if(typeof(ico)=="string")if(ico.toLowerCase().indexOf(".gif")!=-1 || ico.toLowerCase().indexOf(".jpg")!=-1){ico=imageList.add(ico).index;}
  178. if(icons[ico]!=null)
  179. { icon.src=icons[ico].src
  180. nbody.insertAdjacentElement("afterBegin",icon)
  181. }
  182. label.innerHTML=text
  183. label.style.cssText=labelStyle!=null?labelStyle:"padding:1;margin-left:2;vertical-align:middle;text-align:left;"
  184. with(label)
  185. {
  186. onclick=function(){run(node.select);if(run(node.onclick))if(run(tree.onclick,node))run(node.execute);}
  187. ondblclick=function(){if(run(node.ondblclick))run(tree.ondblclick,node)}
  188. onmouseover=function(){if(event.fromElement!=node.icon)if(run(node.onmouseover))run(tree.onmouseover,node)}
  189. onmouseout=function(){if(event.toElement!=node.icon)if(run(node.onmouseout))run(tree.onmouseout,node);}
  190. onmousemove=function(){if(run(node.onmousemove))run(tree.onmousemove,node)}
  191. onmousedown=function(){if(run(node.onmousedown))run(tree.onmousedown,node)}
  192. onmouseup=function(){if(run(node.onmouseup))run(tree.onmouseup,node)}
  193. onkeypress=function(){if(run(node.onkeypress))run(tree.onkeypress,node)}
  194. onkeydown=function(){if(run(node.onkeydown)){if(run(tree.onkeydown,node))doKeyDown(node);}}
  195. onkeyup=function(){if(run(node.onkeyup))run(tree.onkeyup,node)}
  196. onfocus=function(){if(run(node.onfocus)){if(run(tree.onfocus,node))doFocus(node);}}
  197. onblur=function(){if(run(node.onblur)){if(run(tree.onblur,node))doBlur(node);}}
  198. }
  199. with(icon)
  200. {
  201. onclick=function(){run(node.select);if(run(node.onclick))if(run(tree.onclick,node))run(node.execute);}
  202. ondblclick=function(){if(run(node.ondblclick))run(tree.ondblclick,node)}
  203. onmouseover=function(){if(event.fromElement!=node.icon)if(run(node.onmouseover))run(tree.onmouseover,node)}
  204. onmouseout=function(){if(event.toElement!=node.icon)if(run(node.onmouseout))run(tree.onmouseout,node);}
  205. onmousemove=function(){if(run(node.onmousemove))run(tree.onmousemove,node)}
  206. onmousedown=function(){if(run(node.onmousedown))run(tree.onmousedown,node)}
  207. onmouseup=function(){if(run(node.onmouseup))run(tree.onmouseup,node)}
  208. onkeypress=function(){if(run(node.onkeypress))run(tree.onkeypress,node)}
  209. onkeydown=function(){if(run(node.onkeydown)){if(run(tree.onkeydown,node))doKeyDown(node);}}
  210. onkeyup=function(){if(run(node.onkeyup))run(tree.onkeyup,node)}
  211. onfocus=function(){if(run(node.onfocus)){if(run(tree.onfocus,node))doFocus(node);}}
  212. onblur=function(){if(run(node.onblur)){if(run(tree.onblur,node))doBlur(node);}}
  213. }
  214. nbody.onblur=function(){if(node.onfocus()){if(tree.onfocus(node))doFocus(node);}}
  215. nbody.onfocus=function(){if(node.onblur()){if(tree.onblur(node))doBlur(node);}}
  216. icon.tabIndex=label.tabIndex=1;icon.hideFocus=true;
  217. node.onclick=node.ondblclick=node.onmouseover=node.onmouseout=node.onmousemove=node.onmousedown=node.onmouseup=node.onkeypress=node.onkeydown=node.onkeyup=node.oncollapse=node.onexpand=node.onfocus=node.onblur=node.onselect=new Function("return true");
  218. node.click=function(){node.label.click();}
  219. node.focus=function(){node.label.focus();}
  220. node.blur=function(){node.icon.blur();node.label.blur();}
  221. node.select=function(){if(node.onselect()){if(tree.onselect(node))doSelect(node);}}
  222. node.body=nbody
  223. node.container=container
  224. node.exIcon=null
  225. if(showBranch){node.exIcon=new Image();nbody.insertAdjacentElement("afterBegin",node.exIcon);}
  226. node.lineIcon=[]
  227. if(showLine)
  228. { for(var i=tier-2;i>=0;i--){var img=new Image();img.src=icons["blank"].src;nbody.insertAdjacentElement("afterBegin",img);node.lineIcon[i]=img;}
  229. if(node.prev!=null)setLine(node.prev,tier-1)
  230. var n=node.parent;var i=tier-2;while(n!=root){if(n.next!=null)node.lineIcon[i].src=icons["line"].src;n=n.parent;i--}
  231. }
  232. if(showBranch){setExIcon(node);if(node.prev!=null)setExIcon(node.prev);if(node.next!=null)setExIcon(node.next);}
  233. var ma=node.parent;if(ma!=root){if(ma.exIcon==null && showExpand){ma.exIcon=new Image();var o=ma.icon.src==""?ma.label:ma.icon;o.insertAdjacentElement("beforeBegin",ma.exIcon);}setExIcon(ma);if(ma.exIcon){ma.exIcon.onmousedown=function(){ma.expand();}}}
  234. if(showExpand & !showBranch){icon.style.marginLeft=icons["expand"].width}
  235. node.label=label
  236. node.icon=icon
  237. node.add=function(text,ico,exeType,exeArg){return addNode(this,"last",text,"",ico,exeType,exeArg);}
  238. node.addLink=function(_url,text,target,img){if(text==null||text=="")text=_url;var exeArg="url";if(target!=null&&target!="")exeArg+=":"+target;if((img==null||img==""))img="link";return addNode(node,"last",text,"",img,exeArg,_url)}
  239. node.expanded=true
  240. node.expand=function(isShow,incSub)
  241. {
  242. if(node.children.length==0)return;
  243. if(isShow==null)node.expanded=!node.expanded;else node.expanded=isShow;
  244. incSub=incSub==null?false:incSub
  245. var sh=node.expanded?"block":"none"
  246. for(var i=0;i<node.children.length;i++){node.children[i].container.style.display=sh;if(incSub)node.children[i].expand(node.expanded,true);}
  247. setExIcon(node)
  248. if(node.expanded){if(run(node.onexpand)){run(tree.onexpand,node);}}
  249. else{ if(node.oncollapse()){tree.oncollapse(node);}}
  250. var n=node.parent;while(isShow && true){if(n==root)break;if(!n.expanded)n.expand(true);n=n.parent;}
  251. }
  252. node.remove=function(){tree.removeNode(node);}
  253. node.getPath=function(separator){separator=separator==null?"/":separator;var path="",oNode=node;for(var i=tier;i>0;i--){path=separator+oNode.label.innerText+path;oNode=oNode.parent;}return path;}
  254. node.getSibling=function(){return node.parent.children};
  255. node.getTier=function(){return tier;}
  256. node.getIndex=function(){for(var i=0;i<count;i++)if(tree.nodes[i]==node)return i;return -1;}
  257. node.children=[]
  258. node.hasChild=false
  259. node.getKey=function(){return key==""||key==null?null:key;}
  260. if(key!=null && key!="")tree.nodes[key]=node
  261. tree.nodes[count]=node
  262. count++
  263. node.execute=new Function()
  264. exeCategory=exeCategory==null?"":exeCategory.toLowerCase()
  265. switch(exeCategory)
  266. { case "expand":
  267. node.execute=node.expand;break;
  268. case "js":
  269. if(typeof(exeArg)!="string")break;node.execute=function(){eval(exeArg);};break;
  270. default:
  271. if(exeCategory.indexOf("url")!=-1)
  272. { if(typeof(exeArg)!="string"){break;}
  273. if(exeCategory.indexOf("url:")!=-1)
  274. { var tar=exeCategory.replace("url:","");node.execute=function(){open(exeArg,tar);}
  275. }else { node.execute=function(){open(exeArg,tree.target);}}
  276. exeCategory="url";
  277. }else {node.execute=node.expand;exeCategory="expand";}
  278. }
  279. run(tree.afteradd,node,exeCategory)
  280. return node
  281. }
  282. var remove=function(srcNode)
  283. { var ma=srcNode.parent,jj=srcNode.prev,mm=srcNode.next;
  284. if(ma.first==srcNode && ma.last==srcNode && ma!=root)
  285. { ma.hasChild=false;document.createElement("div").insertAdjacentElement("afterBegin",ma.exIcon);setExIcon(ma);ma.first=ma.last=null;
  286. }
  287. else
  288. { if(jj!=null){jj.next=mm;setExIcon(jj);}else{ma.first=mm;}
  289. if(mm!=null){mm.prev=jj;setExIcon(mm);}else{ma.last=jj;}
  290. }
  291. srcNode.container.removeNode(true);nodes.remove(srcNode.getIndex());count--;srcNode=null;
  292. }
  293. this.removeNode=function(srcNode){if(!srcNode.hasChild)remove(srcNode);else{for(var i=0;i<srcNode.children.length;i++){tree.removeNode(srcNode.children[i]);}tree.removeNode(srcNode);}}
  294. root.add=function(text,ico,exeType,exeArg){return addNode(root,"last",text,"",ico,exeType,exeArg);}
  295. root.addLink=function(_url,text,target,img){if(text==null||text=="")text=_url;var exeArg="url";if(target!=null&&target!="")exeArg+=":"+target;if((img==null||img==""))img="link";return addNode(root,"last",text,"",img,exeArg,_url)}
  296. this.getNodesByTier=function(num){var col=[];for(var i=0;i<count;i++)if(nodes[i].getTier()==num)col[col.length]=nodes[i];return col;}
  297. this.expandAll=function(isShow){isShow=isShow==null?!root.expanded:isShow;for(var i=0;i<count;i++)nodes[i].expand(isShow);root.expanded=isShow;}
  298. this.expandToTier=function(num){tree.expandAll(false);for(var i=0;i<count;i++)if(nodes[i].getTier()<num)nodes[i].expand(true);}
  299. this.body=document.createElement("div")
  300. this.embed=function(obj,where){if(obj==null)obj=document.body;if(!obj.insertAdjacentElement)obj=document.body;if(where==null)where="afterBegin";var s=where.toLowerCase();if(s!="beforebegin" || s!="afterbegin" || s!="beforeend" || s!="afterend")where="afterBegin";obj.insertAdjacentElement(where,tree.body);}
  301. this.count=function(){return count;}
  302. this.getDepth=function(){return depth;}
  303. this.onclick=this.ondblclick=this.onmousemove=this.onmouseover=this.onmouseout=this.onmouseup=this.onmousedown=this.onkeypress=this.onkeydown=this.onkeyup=this.oncollapse=this.onexpand=this.afteradd=this.onblur=this.onfocus=this.onselect=new Function("return true;");
  304. this.add=addNode
  305. this.getNodeByPath=function(path){if(path==null||path=="")return null;if(path=="/")return root;if(path.lastIndexOf("/")!=path.length-1)path+="/";for(var i=count-1;i>=0;i--)if((nodes[i].getPath()+"/")==path)return nodes[i];return null;}
  306. this.testPath=function(path){if(path==null||path=="")return false;if(path=="/")return true;if(path.lastIndexOf("/")!=path.length-1)path+="/";for(var i=count-1;i>=0;i--)if((nodes[i].path()+"/").indexOf(path)==0)return true;return false;}
  307. this.pathParse=function(pathList,sort,ps,ls,ico)
  308. { if(ps==null)ps="/";if(ls==null)ls=";";
  309. var list=pathList.split(ls);if(sort)list=list.sort();
  310. var colPath=[];for(var i=0;i<nodes.length;i++){colPath[colPath.length]=nodes[i].getPath();}
  311. var pathIndex=function(path){for(var i=colPath.length-1;i>=0;i--)if(colPath[i]==path)return i;return -1;}
  312. for(var i=0;i<list.length;i++)
  313. { if(list[i]=="")continue;var path=list[i].split(ps),node=root;
  314. for(var j=0;j<path.length;j++)
  315. { if(path[j]==""){continue;};var p="";for(var m=0;m<=j;m++){if(path[m]!=""){p+="/"+path[m];}}
  316. idx=pathIndex(p);if(idx!=-1){node=nodes[idx];}else {node=node.add(path[j],ico);colPath[colPath.length]=p;}
  317. }
  318. }
  319. }
  320. this.getSelectedNode=function(){return selectedNode;}
  321. this.getActiveNode=function(){return activeNode;}
  322. this.target="_self"
  323. this.root=root
  324. this.nodes=nodes
  325. this.embed(toObject)
  326. }
  327. catch(e){
  328. tree.err="alai_tree cause run time error!nError number:"+e.number+".nError description:"+e.description;
  329. tree.err+="n    -- nYou can send the case and error description message to A@lai.com.cn for support or visit http://www.9499.net to get the last release!"
  330. alert(tree.err);
  331. return tree;
  332. }
  333. }