671 lines
12 KiB
JavaScript
671 lines
12 KiB
JavaScript
|
// Node object
|
||
|
|
|
||
|
|
function Node(id, pid, name, url, title, target, icon, iconOpen, open) {
|
||
|
|
|
||
|
|
this.id = id;
|
||
|
|
|
||
|
|
this.pid = pid;
|
||
|
|
|
||
|
|
this.name = name;
|
||
|
|
|
||
|
|
this.url = url;
|
||
|
|
|
||
|
|
this.title = title;
|
||
|
|
|
||
|
|
this.target = target;
|
||
|
|
|
||
|
|
this.icon = icon;
|
||
|
|
|
||
|
|
this.iconOpen = iconOpen;
|
||
|
|
|
||
|
|
this._io = open || false;
|
||
|
|
|
||
|
|
this._is = false;
|
||
|
|
|
||
|
|
this._ls = false;
|
||
|
|
|
||
|
|
this._hc = false;
|
||
|
|
|
||
|
|
this._ai = 0;
|
||
|
|
|
||
|
|
this._p;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Tree object
|
||
|
|
|
||
|
|
function dTree(objName) {
|
||
|
|
|
||
|
|
this.config = {
|
||
|
|
|
||
|
|
target : null,
|
||
|
|
|
||
|
|
folderLinks : true,
|
||
|
|
|
||
|
|
useSelection : true,
|
||
|
|
|
||
|
|
useCookies : true,
|
||
|
|
|
||
|
|
useLines : true,
|
||
|
|
|
||
|
|
useIcons : true,
|
||
|
|
|
||
|
|
useStatusText : false,
|
||
|
|
|
||
|
|
closeSameLevel : false,
|
||
|
|
|
||
|
|
inOrder : false
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
this.icon = {
|
||
|
|
|
||
|
|
root : 'img/base.gif',
|
||
|
|
|
||
|
|
folder : 'img/folder.gif',
|
||
|
|
|
||
|
|
folderOpen : 'img/folderopen.gif',
|
||
|
|
|
||
|
|
node : 'img/page.gif',
|
||
|
|
|
||
|
|
empty : 'img/empty.gif',
|
||
|
|
|
||
|
|
line : 'img/line.gif',
|
||
|
|
|
||
|
|
join : 'img/join.gif',
|
||
|
|
|
||
|
|
joinBottom : 'img/joinbottom.gif',
|
||
|
|
|
||
|
|
plus : 'img/plus.gif',
|
||
|
|
|
||
|
|
plusBottom : 'img/plusbottom.gif',
|
||
|
|
|
||
|
|
minus : 'img/minus.gif',
|
||
|
|
|
||
|
|
minusBottom : 'img/minusbottom.gif',
|
||
|
|
|
||
|
|
nlPlus : 'img/nolines_plus.gif',
|
||
|
|
|
||
|
|
nlMinus : 'img/nolines_minus.gif'
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
this.obj = objName;
|
||
|
|
|
||
|
|
this.aNodes = [];
|
||
|
|
|
||
|
|
this.aIndent = [];
|
||
|
|
|
||
|
|
this.root = new Node(-1);
|
||
|
|
|
||
|
|
this.selectedNode = null;
|
||
|
|
|
||
|
|
this.selectedFound = false;
|
||
|
|
|
||
|
|
this.completed = false;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Adds a new node to the node array
|
||
|
|
|
||
|
|
dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open) {
|
||
|
|
|
||
|
|
this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Open/close all nodes
|
||
|
|
|
||
|
|
dTree.prototype.openAll = function() {
|
||
|
|
|
||
|
|
this.oAll(true);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
dTree.prototype.closeAll = function() {
|
||
|
|
|
||
|
|
this.oAll(false);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Outputs the tree to the page
|
||
|
|
|
||
|
|
dTree.prototype.toString = function() {
|
||
|
|
|
||
|
|
var str = '<div class="dtree">\n';
|
||
|
|
|
||
|
|
if (document.getElementById) {
|
||
|
|
|
||
|
|
if (this.config.useCookies) this.selectedNode = this.getSelected();
|
||
|
|
|
||
|
|
str += this.addNode(this.root);
|
||
|
|
|
||
|
|
} else str += 'Browser not supported.';
|
||
|
|
|
||
|
|
str += '</div>';
|
||
|
|
|
||
|
|
if (!this.selectedFound) this.selectedNode = null;
|
||
|
|
|
||
|
|
this.completed = true;
|
||
|
|
|
||
|
|
return str;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Creates the tree structure
|
||
|
|
|
||
|
|
dTree.prototype.addNode = function(pNode) {
|
||
|
|
|
||
|
|
var str = '';
|
||
|
|
|
||
|
|
var n=0;
|
||
|
|
|
||
|
|
if (this.config.inOrder) n = pNode._ai;
|
||
|
|
|
||
|
|
for (n; n<this.aNodes.length; n++) {
|
||
|
|
|
||
|
|
if (this.aNodes[n].pid == pNode.id) {
|
||
|
|
|
||
|
|
var cn = this.aNodes[n];
|
||
|
|
|
||
|
|
cn._p = pNode;
|
||
|
|
|
||
|
|
cn._ai = n;
|
||
|
|
|
||
|
|
this.setCS(cn);
|
||
|
|
|
||
|
|
if (!cn.target && this.config.target) cn.target = this.config.target;
|
||
|
|
|
||
|
|
if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id);
|
||
|
|
|
||
|
|
if (!this.config.folderLinks && cn._hc) cn.url = null;
|
||
|
|
|
||
|
|
if (this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound) {
|
||
|
|
|
||
|
|
cn._is = true;
|
||
|
|
|
||
|
|
this.selectedNode = n;
|
||
|
|
|
||
|
|
this.selectedFound = true;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
str += this.node(cn, n);
|
||
|
|
|
||
|
|
if (cn._ls) break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return str;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Creates the node icon, url and text
|
||
|
|
|
||
|
|
dTree.prototype.node = function(node, nodeId) {
|
||
|
|
|
||
|
|
var str = '<div class="dTreeNode">' + this.indent(node, nodeId);
|
||
|
|
|
||
|
|
if (this.config.useIcons) {
|
||
|
|
|
||
|
|
if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node);
|
||
|
|
|
||
|
|
if (!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node;
|
||
|
|
|
||
|
|
if (this.root.id == node.pid) {
|
||
|
|
|
||
|
|
node.icon = this.icon.root;
|
||
|
|
|
||
|
|
node.iconOpen = this.icon.root;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
str += '<img id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" />';
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if (node.url) {
|
||
|
|
|
||
|
|
str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" target="body" href="' + node.url + '"';
|
||
|
|
|
||
|
|
if (node.title) str += ' title="' + node.title + '"';
|
||
|
|
|
||
|
|
if (node.target) str += ' target="' + node.target + '"';
|
||
|
|
|
||
|
|
if (this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.name + '\';return true;" onmouseout="window.status=\'\';return true;" ';
|
||
|
|
|
||
|
|
if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc))
|
||
|
|
|
||
|
|
str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';
|
||
|
|
|
||
|
|
str += '>';
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
else if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id)
|
||
|
|
|
||
|
|
str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node">';
|
||
|
|
|
||
|
|
str += node.name;
|
||
|
|
|
||
|
|
if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>';
|
||
|
|
|
||
|
|
str += '</div>';
|
||
|
|
|
||
|
|
if (node._hc) {
|
||
|
|
|
||
|
|
str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">';
|
||
|
|
|
||
|
|
str += this.addNode(node);
|
||
|
|
|
||
|
|
str += '</div>';
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
this.aIndent.pop();
|
||
|
|
|
||
|
|
return str;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Adds the empty and line icons
|
||
|
|
|
||
|
|
dTree.prototype.indent = function(node, nodeId) {
|
||
|
|
|
||
|
|
var str = '';
|
||
|
|
|
||
|
|
if (this.root.id != node.pid) {
|
||
|
|
|
||
|
|
for (var n=0; n<this.aIndent.length; n++)
|
||
|
|
|
||
|
|
str += '<img src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.icon.line : this.icon.empty ) + '" alt="" />';
|
||
|
|
|
||
|
|
(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);
|
||
|
|
|
||
|
|
if (node._hc) {
|
||
|
|
|
||
|
|
str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');"><img id="j' + this.obj + nodeId + '" src="';
|
||
|
|
|
||
|
|
if (!this.config.useLines) str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus;
|
||
|
|
|
||
|
|
else str += ( (node._io) ? ((node._ls && this.config.useLines) ? this.icon.minusBottom : this.icon.minus) : ((node._ls && this.config.useLines) ? this.icon.plusBottom : this.icon.plus ) );
|
||
|
|
|
||
|
|
str += '" alt="" /></a>';
|
||
|
|
|
||
|
|
} else str += '<img src="' + ( (this.config.useLines) ? ((node._ls) ? this.icon.joinBottom : this.icon.join ) : this.icon.empty) + '" alt="" />';
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return str;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Checks if a node has any children and if it is the last sibling
|
||
|
|
|
||
|
|
dTree.prototype.setCS = function(node) {
|
||
|
|
|
||
|
|
var lastId;
|
||
|
|
|
||
|
|
for (var n=0; n<this.aNodes.length; n++) {
|
||
|
|
|
||
|
|
if (this.aNodes[n].pid == node.id) node._hc = true;
|
||
|
|
|
||
|
|
if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lastId==node.id) node._ls = true;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Returns the selected node
|
||
|
|
|
||
|
|
dTree.prototype.getSelected = function() {
|
||
|
|
|
||
|
|
var sn = this.getCookie('cs' + this.obj);
|
||
|
|
|
||
|
|
return (sn) ? sn : null;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Highlights the selected node
|
||
|
|
|
||
|
|
dTree.prototype.s = function(id) {
|
||
|
|
|
||
|
|
if (!this.config.useSelection) return;
|
||
|
|
|
||
|
|
var cn = this.aNodes[id];
|
||
|
|
|
||
|
|
if (cn._hc && !this.config.folderLinks) return;
|
||
|
|
|
||
|
|
if (this.selectedNode != id) {
|
||
|
|
|
||
|
|
if (this.selectedNode || this.selectedNode==0) {
|
||
|
|
|
||
|
|
eOld = document.getElementById("s" + this.obj + this.selectedNode);
|
||
|
|
|
||
|
|
eOld.className = "node";
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
eNew = document.getElementById("s" + this.obj + id);
|
||
|
|
|
||
|
|
eNew.className = "nodeSel";
|
||
|
|
|
||
|
|
this.selectedNode = id;
|
||
|
|
|
||
|
|
if (this.config.useCookies) this.setCookie('cs' + this.obj, cn.id);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Toggle Open or close
|
||
|
|
|
||
|
|
dTree.prototype.o = function(id) {
|
||
|
|
|
||
|
|
var cn = this.aNodes[id];
|
||
|
|
|
||
|
|
this.nodeStatus(!cn._io, id, cn._ls);
|
||
|
|
|
||
|
|
cn._io = !cn._io;
|
||
|
|
|
||
|
|
if (this.config.closeSameLevel) this.closeLevel(cn);
|
||
|
|
|
||
|
|
if (this.config.useCookies) this.updateCookie();
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Open or close all nodes
|
||
|
|
|
||
|
|
dTree.prototype.oAll = function(status) {
|
||
|
|
|
||
|
|
for (var n=0; n<this.aNodes.length; n++) {
|
||
|
|
|
||
|
|
if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) {
|
||
|
|
|
||
|
|
this.nodeStatus(status, n, this.aNodes[n]._ls)
|
||
|
|
|
||
|
|
this.aNodes[n]._io = status;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.config.useCookies) this.updateCookie();
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Opens the tree to a specific node
|
||
|
|
|
||
|
|
dTree.prototype.openTo = function(nId, bSelect, bFirst) {
|
||
|
|
|
||
|
|
if (!bFirst) {
|
||
|
|
|
||
|
|
for (var n=0; n<this.aNodes.length; n++) {
|
||
|
|
|
||
|
|
if (this.aNodes[n].id == nId) {
|
||
|
|
|
||
|
|
nId=n;
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
var cn=this.aNodes[nId];
|
||
|
|
|
||
|
|
if (cn.pid==this.root.id || !cn._p) return;
|
||
|
|
|
||
|
|
cn._io = true;
|
||
|
|
|
||
|
|
cn._is = bSelect;
|
||
|
|
|
||
|
|
if (this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls);
|
||
|
|
|
||
|
|
if (this.completed && bSelect) this.s(cn._ai);
|
||
|
|
|
||
|
|
else if (bSelect) this._sn=cn._ai;
|
||
|
|
|
||
|
|
this.openTo(cn._p._ai, false, true);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Closes all nodes on the same level as certain node
|
||
|
|
|
||
|
|
dTree.prototype.closeLevel = function(node) {
|
||
|
|
|
||
|
|
for (var n=0; n<this.aNodes.length; n++) {
|
||
|
|
|
||
|
|
if (this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc) {
|
||
|
|
|
||
|
|
this.nodeStatus(false, n, this.aNodes[n]._ls);
|
||
|
|
|
||
|
|
this.aNodes[n]._io = false;
|
||
|
|
|
||
|
|
this.closeAllChildren(this.aNodes[n]);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Closes all children of a node
|
||
|
|
|
||
|
|
dTree.prototype.closeAllChildren = function(node) {
|
||
|
|
|
||
|
|
for (var n=0; n<this.aNodes.length; n++) {
|
||
|
|
|
||
|
|
if (this.aNodes[n].pid == node.id && this.aNodes[n]._hc) {
|
||
|
|
|
||
|
|
if (this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls);
|
||
|
|
|
||
|
|
this.aNodes[n]._io = false;
|
||
|
|
|
||
|
|
this.closeAllChildren(this.aNodes[n]);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Change the status of a node(open or closed)
|
||
|
|
|
||
|
|
dTree.prototype.nodeStatus = function(status, id, bottom) {
|
||
|
|
|
||
|
|
eDiv = document.getElementById('d' + this.obj + id);
|
||
|
|
|
||
|
|
eJoin = document.getElementById('j' + this.obj + id);
|
||
|
|
|
||
|
|
if (this.config.useIcons) {
|
||
|
|
|
||
|
|
eIcon = document.getElementById('i' + this.obj + id);
|
||
|
|
|
||
|
|
eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
eJoin.src = (this.config.useLines)?
|
||
|
|
|
||
|
|
((status)?((bottom)?this.icon.minusBottom:this.icon.minus):((bottom)?this.icon.plusBottom:this.icon.plus)):
|
||
|
|
|
||
|
|
((status)?this.icon.nlMinus:this.icon.nlPlus);
|
||
|
|
|
||
|
|
eDiv.style.display = (status) ? 'block': 'none';
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// [Cookie] Clears a cookie
|
||
|
|
|
||
|
|
dTree.prototype.clearCookie = function() {
|
||
|
|
|
||
|
|
var now = new Date();
|
||
|
|
|
||
|
|
var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);
|
||
|
|
|
||
|
|
this.setCookie('co'+this.obj, 'cookieValue', yesterday);
|
||
|
|
|
||
|
|
this.setCookie('cs'+this.obj, 'cookieValue', yesterday);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// [Cookie] Sets value in a cookie
|
||
|
|
|
||
|
|
dTree.prototype.setCookie = function(cookieName, cookieValue, expires, path, domain, secure) {
|
||
|
|
|
||
|
|
document.cookie =
|
||
|
|
|
||
|
|
escape(cookieName) + '=' + escape(cookieValue)
|
||
|
|
|
||
|
|
+ (expires ? '; expires=' + expires.toGMTString() : '')
|
||
|
|
|
||
|
|
+ (path ? '; path=' + path : '')
|
||
|
|
|
||
|
|
+ (domain ? '; domain=' + domain : '')
|
||
|
|
|
||
|
|
+ (secure ? '; secure' : '');
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// [Cookie] Gets a value from a cookie
|
||
|
|
|
||
|
|
dTree.prototype.getCookie = function(cookieName) {
|
||
|
|
|
||
|
|
var cookieValue = '';
|
||
|
|
|
||
|
|
var posName = document.cookie.indexOf(escape(cookieName) + '=');
|
||
|
|
|
||
|
|
if (posName != -1) {
|
||
|
|
|
||
|
|
var posValue = posName + (escape(cookieName) + '=').length;
|
||
|
|
|
||
|
|
var endPos = document.cookie.indexOf(';', posValue);
|
||
|
|
|
||
|
|
if (endPos != -1) cookieValue = unescape(document.cookie.substring(posValue, endPos));
|
||
|
|
|
||
|
|
else cookieValue = unescape(document.cookie.substring(posValue));
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return (cookieValue);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// [Cookie] Returns ids of open nodes as a string
|
||
|
|
|
||
|
|
dTree.prototype.updateCookie = function() {
|
||
|
|
|
||
|
|
var str = '';
|
||
|
|
|
||
|
|
for (var n=0; n<this.aNodes.length; n++) {
|
||
|
|
|
||
|
|
if (this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) {
|
||
|
|
|
||
|
|
if (str) str += '.';
|
||
|
|
|
||
|
|
str += this.aNodes[n].id;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
this.setCookie('co' + this.obj, str);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// [Cookie] Checks if a node id is in a cookie
|
||
|
|
|
||
|
|
dTree.prototype.isOpen = function(id) {
|
||
|
|
|
||
|
|
var aOpen = this.getCookie('co' + this.obj).split('.');
|
||
|
|
|
||
|
|
for (var n=0; n<aOpen.length; n++)
|
||
|
|
|
||
|
|
if (aOpen[n] == id) return true;
|
||
|
|
|
||
|
|
return false;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// If Push and pop is not implemented by the browser
|
||
|
|
|
||
|
|
if (!Array.prototype.push) {
|
||
|
|
|
||
|
|
Array.prototype.push = function array_push() {
|
||
|
|
|
||
|
|
for(var i=0;i<arguments.length;i++)
|
||
|
|
|
||
|
|
this[this.length]=arguments[i];
|
||
|
|
|
||
|
|
return this.length;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
if (!Array.prototype.pop) {
|
||
|
|
|
||
|
|
Array.prototype.pop = function array_pop() {
|
||
|
|
|
||
|
|
lastElement = this[this.length-1];
|
||
|
|
|
||
|
|
this.length = Math.max(this.length-1,0);
|
||
|
|
|
||
|
|
return lastElement;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|