xcat-core/xCAT-web/jq/jsTree/tree_component.js

1249 lines
50 KiB
JavaScript

/*
* jsTree 0.7
*
* Copyright (c) 2008 Ivan Bozhanov (vakata.com)
*
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
* Date: 2008-08-19
*
*/
function tree_component () {
return {
settings : {
data : {
type : "predefined", // ENUM [json, xml_flat, xml_nested, predefined]
async : false, // BOOL - async loading onopen
url : false, // FALSE or STRING - url to document to be used (async or not)
json : false // FALSE or OBJECT if type is JSON and async is false - the tree dump as json
},
dflt : false, // FALSE or STRING
languages : [], // ARRAY of string values (which will be used as CSS classes - si they must be valid)
path : false, // FALSE or STRING (if false - will be autodetected)
cookies : false, // FALSE or OBJECT (prefix, opts - from jqCookie - expires, path, domain, secure)
ui : {
dots : true, // BOOL - dots or no dots
rtl : false, // BOOL - is the tree right-to-left
animation : 0, // INT - duration of open/close animations in miliseconds
hover_mode : true // SHOULD get_* functions chage focus or change hovered item
},
rules : {
multiple : false, // FALSE | CTRL | ON - multiple selection off/ with or without holding Ctrl
metadata : false, // FALSE or STRING - attribute name (use metadata plugin)
type_attr : "rel", // STRING attribute name (where is the type stored if no metadata)
multitree : false, // BOOL - is drag n drop between trees allowed
createat : "bottom", // STRING (top or bottom) new nodes get inserted at top or bottom
use_inline : false, // CHECK FOR INLINE RULES - REQUIRES METADATA
clickable : "all", // which node types can the user select | default - all
renameable : "all", // which node types can the user select | default - all
deletable : "all", // which node types can the user delete | default - all
creatable : "all", // which node types can the user create in | default - all
draggable : "none", // which node types can the user move | default - none | "all"
dragrules : "none" // what move operations between nodes are allowed | default - none | "all"
},
lang : {
new_node : "New folder",
loading : "Loading ..."
},
callback : { // various callbacks to attach custom logic to
// before focus - should return true | false
beforechange: function(NODE,TREE_OBJ) { return true },
// before move - should return true | false
beforemove : function(NODE,REF_NODE,TYPE,TREE_OBJ) { return true },
// before create - should return true | false
beforecreate: function(NODE,REF_NODE,TYPE,TREE_OBJ) { return true },
// before rename - should return true | false
beforerename: function(NODE,LANG,TREE_OBJ) { return true },
// before delete - should return true | false
beforedelete: function(NODE,TREE_OBJ) { return true },
onchange : function(NODE,TREE_OBJ) { }, // focus changed
onrename : function(NODE,LANG,TREE_OBJ) { }, // node renamed ISNEW - TRUE|FALSE, current language
onmove : function(NODE,REF_NODE,TYPE,TREE_OBJ) { }, // move completed (TYPE is BELOW|ABOVE|INSIDE)
oncopy : function(NODE,REF_NODE,TYPE,TREE_OBJ) { }, // copy completed (TYPE is BELOW|ABOVE|INSIDE)
oncreate : function(NODE,REF_NODE,TYPE,TREE_OBJ) { }, // node created, parent node (TYPE is insertAt)
ondelete : function(NODE, TREE_OBJ) { }, // node deleted
onopen : function(NODE, TREE_OBJ) { }, // node opened
onclose : function(NODE, TREE_OBJ) { }, // node closed
error : function(TEXT, TREE_OBJ) { }, // error occured
// double click on node - defaults to open/close & select
ondblclk : function(NODE, TREE_OBJ) { TREE_OBJ.toggle_branch.call(TREE_OBJ, NODE); TREE_OBJ.select_branch.call(TREE_OBJ, NODE); },
// right click - to prevent use: EV.preventDefault(); EV.stopPropagation(); return false
onrgtclk : function(NODE, TREE_OBJ, EV) { }
}
},
// INITIALIZATION
init : function(elem, opts) {
var _this = this;
this.container = $(elem);
// MERGE OPTIONS WITH DEFAULTS
if(opts && opts.cookies) {
this.settings.cookies = $.extend({},this.settings.cookies,opts.cookies);
delete opts.cookies;
if(!this.settings.cookies.opts) this.settings.cookies.opts = {};
}
if(opts && opts.callback) {
this.settings.callback = $.extend({},this.settings.callback,opts.callback);
delete opts.callback;
}
if(opts && opts.data) {
this.settings.data = $.extend({},this.settings.data,opts.data);
delete opts.data;
}
if(opts && opts.ui) {
this.settings.ui = $.extend({},this.settings.ui,opts.ui);
delete opts.ui;
}
if(opts && opts.rules) {
this.settings.rules = $.extend({},this.settings.rules,opts.rules);
delete opts.rules;
}
if(opts && opts.lang) {
this.settings.lang = $.extend({},this.settings.lang,opts.lang);
delete opts.lang;
}
this.settings = $.extend({},this.settings,opts);
// PATH TO IMAGES AND XSL
if(this.settings.path == false) {
this.path = "";
$("script").each( function () {
if(this.src.toString().match(/tree_component.js$/)) {
_this.path = this.src.toString().replace("tree_component.js", "");
}
});
}
else this.path = this.settings.path;
// DEAL WITH LANGUAGE VERSIONS
this.current_lang = this.settings.languages && this.settings.languages.length ? this.settings.languages[0] : false;
if(this.settings.languages && this.settings.languages.length) {
this.sn = get_sheet_num("tree_component.css");
var st = false;
var id = this.container.attr("id") ? "#" + this.container.attr("id") : ".tree";
for(var ln = 0; ln < this.settings.languages.length; ln++) {
st = add_css(id + " ." + this.settings.languages[ln], this.sn);
if(st !== false) {
if(this.settings.languages[ln] == this.current_lang) st.style.display = "inline";
else st.style.display = "none";
}
}
}
this.container.addClass("tree").css({ position: "relative" });
if(this.settings.ui.rtl) this.container.addClass("rtl");
if(this.settings.rules.multiple) this.selected_arr = [];
this.recent_range = [];
this.offset = this.container.offset();
this.container.css({ position : "" });
if(this.settings.ui.dots == false) this.container.addClass("no_dots");
this.hovered = false;
this.locked = false;
// CREATE DUMMY FOR MOVING
if(this.settings.rules.draggable != "none" && this.settings.rules.dragrules != "none") {
var _this = this;
$("<img>")
.attr({
id : "marker",
src : _this.path + "images/marker.gif"
})
.css({
height : "5px",
width : "40px",
display : "block",
position : "absolute",
left : "30px",
top : "30px"
}).hide().appendTo("body");
}
this.refresh();
this.attachEvents();
},
// REPAINT TREE
refresh : function () {
if(this.locked) return this.error("LOCKED");
var _this = this;
// SAVE SELECTED
this.settings.dflt = (this.selected) ? "#" + this.selected.attr("id") : this.settings.dflt;
if(this.settings.cookies) {
var str = $.cookie(this.settings.cookies.prefix + '_selected');
if(str) this.settings.dflt = "#" + str;
}
this.opened = Array();
if(this.settings.cookies) {
var str = $.cookie(this.settings.cookies.prefix + '_open');
if(str && str.length) str = str.split(",");
else str = [];
if(str.length) this.opened = str;
}
else {
this.container.find("li.open").each(function (i) { _this.opened.push(this.id); });
}
if(this.settings.data.type == "xml_flat" || this.settings.data.type == "xml_nested") {
this.scrtop = this.container.get(0).scrollTop;
var xsl = (this.settings.data.type == "xml_flat") ? "flat.xsl" : "nested.xsl";
this.container.getTransform(this.path + xsl, this.settings.data.url, { callback: function () { _this.reselect.apply(_this); } });
return;
}
else if(this.settings.data.type == "json") {
if(this.settings.data.json) {
this.container.html("<ul>" + this.parseJSON(this.settings.data.json) + "</ul>");
this.container.find("li:last-child").addClass("last").end().find("li:has(ul)").not(".open").addClass("closed");
this.container.find("li").not(".open").not(".closed").addClass("leaf");
this.reselect();
}
else {
var _this = this;
$.getJSON(this.settings.data.url, { id : 0 }, function (data) {
var str = "";
for(var i = 0; i < data.length; i++) {
str += _this.parseJSON(data[i]);
}
_this.container.html("<ul>" + str + "</ul>");
_this.container.find("li:last-child").addClass("last").end().find("li:has(ul)").not(".open").addClass("closed");
_this.container.find("li").not(".open").not(".closed").addClass("leaf");
_this.reselect.apply(_this);
});
}
}
else {
this.container.find("li:last-child").addClass("last").end().find("li:has(ul)").not(".open").addClass("closed");
this.container.find("li").not(".open").not(".closed").addClass("leaf");
this.reselect();
}
},
// CONVERT JSON TO HTML
parseJSON : function (data) {
var str = "";
str += "<li ";
var cls = false;
for(i in data.attributes) {
if(i == "class") {
str += " class='" + data.attributes[i] + " ";
if(data.state == "closed" || data.state == "open") str += " " + data.state + " ";
str += "' ";
cls = true;
}
else str += " " + i + "='" + data.attributes[i] + "' ";
}
if(!cls && (data.state == "closed" || data.state == "open")) str += " class='" + data.state + "' ";
str += ">";
if(this.settings.languages.length) {
for(var i = 0; i < this.settings.languages.length; i++) {
str += "<a class='" + this.settings.languages[i] + "' ";
if(data.icons && data.icons[this.settings.languages[i]])
str += " style='background-image:url(\"" + data.icons[this.settings.languages[i]] + "\");' ";
str += ">" + data.data[this.settings.languages[i]] + "</a>";
}
}
else {
str += "<a ";
if(data.icons)
str += " style='background-image:url(\"" + data.icons + "\");' ";
str += ">" + data.data + "</a>";
}
if(data.children && data.children.length) {
str += '<ul>';
for(var i = 0; i < data.children.length; i++) {
str += this.parseJSON(data.children[i]);
}
str += '</ul>';
}
str += "</li>";
return str;
},
// getJSON from HTML
getJSON : function (nod) {
if(!nod || $(nod).size() == 0) nod = this.container.find("li:eq(0)");
else nod = $(nod);
var _this = this;
var obj = { attributes : {}, data : false, icons : false };
nod_d = nod.get(0);
for(i in nod_d.attributes) {
obj.attributes[nod_d.attributes[i].name] = nod_d.attributes[i].value;
}
var a = nod.children("a");
if(a.size() > 1) {
obj.data = [];
obj.icons = [];
a.each(function () {
obj.data.push(this.innerHTML);
obj.icons.push(this.style.backgroundImage.replace("url(","").replace(")",""));
});
}
else {
obj.data = a.text();
obj.icons = a.css("backgroundImage");
}
if(nod.children("ul").size() > 0) {
obj.children = [];
nod.children("ul").children("li").each(function () {
obj.children.push(_this.getJSON(this));
});
}
return obj;
},
// ALL EVENTS
attachEvents : function () {
var _this = this;
var tmp = this.container.find("li.closed:eq(0)");
if(tmp.size() == 0) tmp = this.container.find("li.leaf:eq(0)");
this.li_height = tmp.height();
if(!this.li_height) this.li_height = 18;
this.container
.bind("click", function (event) {
event.stopPropagation();
return true;
})
.listen("click", "li", function(event) { // WHEN CLICK IS ON THE ARROW
_this.toggle_branch.apply(_this, [event.target]);
event.stopPropagation();
})
.listen("click", "a", function (event) { // WHEN CLICK IS ON THE TEXT OR ICON
if(_this.locked) {
event.preventDefault();
event.target.blur();
return _this.error("LOCKED");
}
_this.select_branch.apply(_this, [event.target, event.ctrlKey || _this.settings.rules.multiple == "on", event.shiftKey]);
if(_this.inp) { _this.inp.blur(); }
event.preventDefault();
event.target.blur();
return false;
})
.listen("dblclick", "a", function (event) { // WHEN DOUBLECLICK ON TEXT OR ICON
if(_this.locked) {
event.preventDefault();
event.stopPropagation();
event.target.blur();
return _this.error("LOCKED");
}
_this.settings.callback.ondblclk.call(null, _this.get_node(event.target).get(0), _this);
event.preventDefault();
event.stopPropagation();
event.target.blur();
})
.listen("contextmenu", "a", function (event) {
if(_this.locked) return _this.error("LOCKED");
return _this.settings.callback.onrgtclk.call(null, _this.get_node(event.target).get(0), _this, event);
})
.listen("mouseover", "a", function (event) {
if(_this.locked) {
event.preventDefault();
event.stopPropagation();
return _this.error("LOCKED");
}
if(_this.settings.ui.hover_mode && _this.hovered !== false && event.target.tagName == "A") {
_this.hovered.children("a").removeClass("hover");
_this.hovered = false;
}
});
// ATTACH DRAG & DROP ONLY IF NEEDED
if(this.settings.rules.draggable != "none" && this.settings.rules.dragrules != "none") {
$(this.container)
.listen("mousedown", "a", function (event) {
if(_this.locked) return _this.error("LOCKED");
// SELECT LIST ITEM NODE
var obj = _this.get_node(event.target);
// IF ITEM IS DRAGGABLE
if(_this.settings.rules.multiple != false && _this.selected_arr.length > 1 && obj.children("a:eq(0)").hasClass("clicked")) {
var counter = 0;
for(i in _this.selected_arr) {
if(_this.check("draggable", _this.selected_arr[i])) {
_this.selected_arr[i].addClass("dragged");
counter ++;
}
}
if(counter > 0) {
if(_this.check("draggable", obj)) _this._drag = obj;
else _this._drag = _this.container.find("li.dragged:eq(0)");
_this.isdown = true;
_this.drag = _this._drag.get(0).cloneNode(true);
_this.drag.id = "dragged";
$(_this.drag).children("a").html("Multiple selection").end().children("ul").remove();
}
}
else {
if(_this.check("draggable", obj)) {
_this._drag = obj;
_this.drag = obj.get(0).cloneNode(true);
_this.drag.id = "dragged";
_this.isdown = true;
obj.addClass("dragged");
}
}
obj.blur();
event.preventDefault();
event.stopPropagation();
return false;
});
$(document)
.bind("mousedown", function (event) {
event.stopPropagation();
return true;
})
.bind("mouseup", function (event) {
// CLEAR TIMEOUT FOR OPENING HOVERED NODES WHILE DRAGGING
if(_this.to) clearTimeout(_this.to);
if(_this.sto) clearTimeout(_this.sto);
if(_this.drag && _this.drag.parentNode && _this.drag.parentNode == $(_this.container).get(0)) {
$(_this.drag).remove();
// CALL FUNCTION FOR COMPLETING MOVE
if(_this.moveType) _this.moved(_this.container.find("li.dragged"), _this.moveRef, _this.moveType);
_this.moveType = false;
_this.moveRef = false;
}
// RESET EVERYTHING
$("#marker").hide();
_this._drag = false;
_this.drag = false;
_this.isdown = false;
_this.appended = false;
_this.container.find("li.dragged").removeClass("dragged");
event.preventDefault();
event.stopPropagation();
return false;
})
.bind("mousemove", function (event) {
if(_this.locked) return _this.error("LOCKED");
if(_this.isdown) {
// CLEAR TIMEOUT FOR OPENING HOVERED NODES WHILE DRAGGING
if(_this.to) clearTimeout(_this.to);
if(!_this.appended) {
_this.container.append(_this.drag);
_this.po = $(_this.drag).offsetParent().offset({scroll : false});
_this.appended = true;
}
$(_this.drag).css({ "left" : (event.pageX - _this.po.left - (_this.settings.ui.rtl ? $(_this.drag).width() : -5 ) ), "top" : (event.pageY - _this.po.top + ($.browser.opera ? _this.container.scrollTop() : 0) + 15) });
var cnt = $(event.target).parents(".tree:eq(0)");
if(cnt.size() == 0) {
if(_this.sto) clearTimeout(_this.sto);
return false;
}
if(_this.sto) clearTimeout(_this.sto);
_this.sto = setTimeout( function() { _this.scrollCheck(event.pageX,event.pageY, cnt); }, 50);
var mov = false;
var st = cnt.scrollTop();
if(!_this.settings.rules.multitree && cnt.get(0) != _this.container.get(0)) return false;
if(event.target.tagName == "A" ) {
var goTo = {
x : ($(event.target).offset({scroll : false}).left - 1),
y : (event.pageY - cnt.offset({scroll : false}).top)
}
if(cnt.hasClass("rtl")) {
goTo.x += $(event.target).width() - 8;
}
if( (goTo.y + st)%_this.li_height < _this.li_height/3 + 1 ) {
mov = "before";
goTo.y = event.pageY - (goTo.y + st)%_this.li_height - 2 ;
}
else if((goTo.y + st)%_this.li_height > _this.li_height*2/3 - 1 ) {
mov = "after";
goTo.y = event.pageY - (goTo.y + st)%_this.li_height + _this.li_height - 2 ;
}
else {
mov = "inside";
goTo.x -= 2;
if(cnt.hasClass("rtl")) {
goTo.x += 36;
}
goTo.y = event.pageY - (goTo.y + st)%_this.li_height + Math.floor(_this.li_height/2) - 2 ;
if(_this.get_node(event.target).hasClass("closed")) {
_this.to = setTimeout( function () { _this.open_branch(_this.get_node(event.target)); }, 500);
}
}
if(_this.checkMove(cnt.find("li.dragged"),$(event.target),mov)) {
if(mov == "inside") $("#marker").attr("src", _this.path + "images/plus.gif").width(11);
else {
if(cnt.hasClass("rtl")) { $("#marker").attr("src", _this.path + "images/marker_rtl.gif").width(40); }
else { $("#marker").attr("src", _this.path + "images/marker.gif").width(40); }
}
_this.moveType = mov;
_this.moveRef = event.target;
$(_this.drag).children("IMG").remove();
$("#marker").css({ "left" : goTo.x , "top" : goTo.y }).show();
}
else {
if($(_this.drag).children("IMG").size() == 0) {
$(_this.drag).append("<img style='position:absolute; " + (_this.settings.ui.rtl ? "right" : "left" ) + ":4px; top:0px; background:white; padding:2px;' src='" + _this.path + "images/remove.png' />");
}
_this.moveType = false;
_this.moveRef = false;
$("#marker").hide();
}
}
else if(event.target.tagName == "IMG" && event.target.id == "marker") {
;
}
else {
_this.moveType = false;
_this.moveRef = false;
$("#marker").hide();
}
event.preventDefault();
event.stopPropagation();
return false;
}
return true;
});
}
// ENDIF OF DRAG & DROP FUNCTIONS
},
checkMove : function (NODES, REF_NODE, TYPE) {
if(this.locked) return this.error("LOCKED");
var _this = this;
// OVER SELF OR CHILDREN
if(REF_NODE.parents("li.dragged").size() > 0 || REF_NODE.is(".dragged")) return this.error("MOVE: NODE OVER SELF");
// CHECK AGAINST DRAG_RULES
if(NODES.size() == 1) {
var NODE = NODES.eq(0);
if(!this.check("dragrules", [NODE, TYPE, REF_NODE.parents("li:eq(0)")])) return this.error("MOVE: AGAINST DRAG RULES");
}
else {
var ok = true;
NODES.each(function (i) {
if(ok == false) return false;
if(i > 0) {
var ref = NODES.eq( (i - 1) );
var mv = "after";
}
else {
var ref = REF_NODE;
var mv = TYPE;
}
if(!_this.check("dragrules", [$(this), mv, ref])) ok = false;
});
if(ok == false) return this.error("MOVE: AGAINST DRAG RULES");
}
// CHECK AGAINST METADATA
if(this.settings.rules.use_inline && this.settings.rules.metadata) {
var nd = false;
if(TYPE == "inside") nd = REF_NODE.parents("li:eq(0)");
else nd = REF_NODE.parents("li:eq(1)");
if(nd.size()) {
// VALID CHILDREN CHECK
if(typeof nd.metadata()["valid_children"] != "undefined") {
var tmp = nd.metadata()["valid_children"];
var ok = true;
NODES.each(function (i) {
if(ok == false) return false;
if($.inArray(_this.get_type(this), tmp) == -1) ok = false;
});
if(ok == false) return this.error("MOVE: NOT A VALID CHILD");
}
// CHECK IF PARENT HAS FREE SLOTS FOR CHILDREN
if(typeof nd.metadata()["max_children"] != "undefined") {
if((nd.children("ul:eq(0)").children("li").not(".dragged").size() + NODES.size()) > nd.metadata().max_children) return this.error("MOVE: MAX CHILDREN REACHED");
}
// CHECK FOR MAXDEPTH UP THE CHAIN
var incr = 0;
NODES.each(function (i) {
var i = 1;
var t = $(this);
while(i < 100) {
t = t.children("ul:eq(0)");
if(t.size() == 0) break;
i ++
}
incr = Math.max(i,incr);
});
var ok = true;
nd.parents("li").each(function(i) {
if(ok == false) return false;
if($(this).metadata().max_depth) {
if( (i + incr) >= $(this).metadata().max_depth) ok = false;
}
});
if(ok == false) return this.error("MOVE: MAX_DEPTH REACHED");
}
}
return true;
},
// USED AFTER REFRESH
reselect : function () {
var _this = this;
// REOPEN BRANCHES
if(this.opened && this.opened.length) {
var opn = false;
for(var j = 0; j < this.opened.length; j++) {
if(this.settings.data.async) {
if(this.get_node("#" + this.opened[j]).size() > 0) {
opn = true;
var tmp = this.opened[j];
delete this.opened[j];
this.open_branch("#" + tmp, true, function () { _this.reselect.apply(_this); } )
}
/*
if(this.open_branch("#" + this.opened[j], true, function () { _this.reselect.apply(_this); } )) {
opn = true;
delete this.opened[j];
$.log("Deleted");
}
*/
}
else this.open_branch("#" + this.opened[j], true);
}
if(this.settings.data.async && opn) return;
delete this.opened;
}
// REPOSITION SCROLL - WHEN QUEUE IMPLEMENTED - SHOULD BE AT THE END
if(this.scrtop) {
this.container.scrollTop(_this.scrtop);
delete this.scrtop;
}
// RESELECT PREVIOUSLY SELECTED OR DEFAULT
if(this.settings.rules.multiple != false && this.selected_arr.length > 1) {
var tmp = this.selected_arr;
this.selected_arr = [];
for(i in tmp) {
this.select_branch("#" + tmp[i].attr("id"), true);
}
}
else if(this.settings.dflt && $(this.settings.dflt).size() == 1) {
this.selected = $(this.settings.dflt);
this.settings.dflt = false;
this.select_branch(this.selected);
}
},
// GET THE EXTENDED LI ELEMENT
get_node : function (obj) {
var obj = $(obj);
return obj.is("li") ? obj : obj.parents("li:eq(0)");
},
// GET THE TYPE OF THE NODE
get_type : function (obj) {
obj = !obj ? this.selected : this.get_node(obj);
if(!obj) return;
if(this.settings.rules.metadata) {
$.metadata.setType("attr", this.settings.rules.metadata);
return obj.metadata().type;
}
else return obj.attr(this.settings.rules.type_attr);
},
// SCROLL CONTAINER WHILE DRAGGING
scrollCheck : function (x,y, cntr) {
var _this = this;
if(!cntr) {
var cnt = _this.container;
var off = _this.offset;
} else {
var cnt = cntr;
var off = cnt.offset({scroll:false});
}
// NEAR TOP
if(y - off.top < 20) {
cnt.scrollTop(Math.max(cnt.scrollTop()-4,0));
}
// NEAR BOTTOM (DETECT HORIZONTAL SCROLL)
var h_cor = (cnt.get(0).scrollWidth > cnt.width()) ? 40 : 20;
if(cnt.height() - (y - off.top) < h_cor) {
cnt.scrollTop(cnt.scrollTop()+4);
}
// NEAR LEFT
if(x - off.left < 20) {
cnt.scrollLeft(cnt.scrollLeft()-4);
}
// NEAR RIGHT
if(cnt.width() - (x - off.left) < 40) {
cnt.scrollLeft(cnt.scrollLeft()+4);
}
_this.sto = setTimeout( function() { _this.scrollCheck(x,y,cntr); }, 50);
},
check : function (rule, nodes) {
if(this.locked) return this.error("LOCKED");
// CHECK LOCAL RULES IF METADATA
if(rule != "dragrules" && this.settings.rules.use_inline && this.settings.rules.metadata) {
$.metadata.setType("attr", this.settings.rules.metadata);
if(typeof this.get_node(nodes).metadata()[rule] != "undefined") return this.get_node(nodes).metadata()[rule];
}
if(!this.settings.rules[rule]) return false;
if(this.settings.rules[rule] == "none") return false;
if(this.settings.rules[rule] == "all") return true;
if(rule == "dragrules")
return ($.inArray(this.get_type(nodes[0]) + " " + nodes[1] + " " + this.get_type(nodes[2]), this.settings.rules.dragrules) != -1) ? true : false;
else
return ($.inArray(this.get_type(nodes),this.settings.rules[rule]) != -1) ? true : false;
},
hover_branch : function (obj) {
if(this.locked) return this.error("LOCKED");
if(this.settings.ui.hover_mode == false) return this.select_branch(obj);
var _this = this;
var obj = _this.get_node(obj);
if(!obj.size()) return this.error("HOVER: NOT A VALID NODE");
// CHECK AGAINST RULES FOR SELECTABLE NODES
if(!_this.check("clickable", obj)) return this.error("SELECT: NODE NOT SELECTABLE");
if(this.hovered) this.hovered.children("A").removeClass("hover");
// SAVE NEWLY SELECTED
this.hovered = obj;
// FOCUS NEW NODE AND OPEN ALL PARENT NODES IF CLOSED
this.hovered.children("a").removeClass("hover").addClass("hover");
// SCROLL SELECTED NODE INTO VIEW
var off_t = this.hovered.offset({ scroll : false }).top;
var beg_t = this.container.offset({ scroll : false }).top;
var end_t = beg_t + this.container.height();
var h_cor = (this.container.get(0).scrollWidth > this.container.width()) ? 40 : 20;
if(off_t + 5 < beg_t) this.container.scrollTop(this.container.scrollTop() - (beg_t - off_t + 5) );
if(off_t + h_cor > end_t) this.container.scrollTop(this.container.scrollTop() + (off_t + h_cor - end_t) );
},
select_branch : function (obj, multiple, ranged,rangechild) {
if(this.locked) return this.error("LOCKED");
if(!obj && this.hovered !== false) obj = this.hovered;
var _this = this;
var _obj = obj;
obj = _this.get_node(obj);
if(!obj.size()) return this.error("SELECT: NOT A VALID NODE");
obj.children("a").removeClass("hover");
// CHECK AGAINST RULES FOR SELECTABLE NODES
if(!_this.check("clickable", obj)) return this.error("SELECT: NODE NOT SELECTABLE");
if(_this.settings.callback.beforechange.call(null,obj.get(0),_this) === false) return this.error("SELECT: STOPPED BY USER");
// IF multiple AND obj IS ALREADY SELECTED - DESELECT IT
if(this.settings.rules.multiple != false && multiple && obj.children("a.clicked").size() > 0) {
if ($(obj).parent().children().index(obj) == $(obj).parent().children().index(this.shiftanchor)) {
this.shiftanchor=null;
}
return this.deselect_branch(obj);
}
if(this.settings.rules.multiple != false && multiple) { //Add obj to selected items due to multiple
this.selected_arr.push(obj);
}
if (ranged && this.shiftanchor != null) {
for (var old_obj in this.recent_range) {
this.deselect_branch(this.recent_range[old_obj],1);
}
this.recent_range=[];
var curidx = $(obj).parent().children().index(obj);
var previdx = $(obj).parent().children().index(this.shiftanchor);
if (curidx >= 0 && previdx >=0) {
var firstidx=Math.min(curidx,previdx);
var lastidx=Math.max(curidx,previdx);
var siblings=$(obj).parent().children();
for (var idx = firstidx+1;idx < lastidx; idx++) {
if (this.get_node($(siblings[idx])).children("a.clicked").size() == 0) {
this.select_branch($(siblings[idx]),1,false,true);
}
this.recent_range.push(_this.get_node($(siblings[idx])));
// $(siblings[idx]).children("A").addClass("clicked");
}
this.selected_arr.push(obj);
this.recent_range.push(obj);
} /* else { What to do when shift click tries to go somewhere totally different? too hard for now..
$("#rangedisplay").text(curidx);
} */
var sel = window.getSelection();
sel.removeAllRanges();
} else {
if (!rangechild) {
this.shiftanchor = obj;
this.recent_range=[];
this.selected_arr.push(obj);
}
}
if(this.settings.rules.multiple != false && !multiple && !ranged) { //click without ctrl or shift
for(i in this.selected_arr) {
this.selected_arr[i].children("A").removeClass("clicked");
}
this.selected_arr = [];
this.selected_arr.push(obj);
if(this.selected) this.selected.children("A").removeClass("clicked");
}
if(!this.settings.rules.multiple) {
if(this.selected) this.selected.children("A").removeClass("clicked");
}
// SAVE NEWLY SELECTED
this.selected = obj;
if(this.settings.ui.hover_mode && this.hovered !== false) {
this.hovered.children("A").removeClass("hover");
this.hovered = obj;
}
// FOCUS NEW NODE AND OPEN ALL PARENT NODES IF CLOSED
this.selected.children("a").removeClass("clicked").addClass("clicked").end().parents("li.closed").each( function () { _this.open_branch(this, true); });
// SCROLL SELECTED NODE INTO VIEW
var off_t = this.selected.offset({ scroll : false }).top;
var beg_t = this.container.offset({ scroll : false }).top;
var end_t = beg_t + this.container.height();
var h_cor = (this.container.get(0).scrollWidth > this.container.width()) ? 40 : 20;
if(off_t + 5 < beg_t) this.container.scrollTop(this.container.scrollTop() - (beg_t - off_t + 5) );
if(off_t + h_cor > end_t) this.container.scrollTop(this.container.scrollTop() + (off_t + h_cor - end_t) );
this.set_cookie("selected");
this.settings.callback.onchange.call(null, this.selected.get(0), _this);
},
deselect_branch : function (obj) {
if(this.locked) return this.error("LOCKED");
var _this = this;
var obj = this.get_node(obj);
obj.children("a").removeClass("clicked");
if(this.settings.rules.multiple != false && this.selected_arr.length > 1) {
this.selected_arr = [];
this.container.find("a.clicked").filter(":first-child").parent().each(function () {
_this.selected_arr.push($(this));
});
if(obj.get(0) == this.selected.get(0)) {
this.selected = this.selected_arr[0];
this.set_cookie("selected");
}
this.settings.callback.onchange.call(null, this.selected.get(0), _this);
}
else {
if(this.settings.rules.multiple != false) this.selected_arr = [];
this.selected = false;
this.set_cookie("selected");
this.settings.callback.onchange.call(null, null, _this);
}
},
toggle_branch : function (obj) {
if(this.locked) return this.error("LOCKED");
var obj = this.get_node(obj);
if(obj.hasClass("closed")) return this.open_branch(obj);
if(obj.hasClass("open")) return this.close_branch(obj);
},
open_branch : function (obj, disable_animation, callback) {
if(this.locked) return this.error("LOCKED");
var obj = this.get_node(obj);
if(!obj.size()) return this.error("OPEN: NO SUCH NODE");
if(this.settings.data.async && obj.find("li").size() == 0) {
var _this = this;
obj.children("ul:eq(0)").remove().end().append("<ul><li class='last'><a>" + (_this.settings.lang.loading || "Loading ...") + "<img src=\""+_this.path+"images/throbber.gif\"></a></li></ul>");
obj.removeClass("closed").addClass("open");
if(this.settings.data.type == "xml_flat" || this.settings.data.type == "xml_nested") {
var xsl = (this.settings.data.type == "xml_flat") ? "flat.xsl" : "nested.xsl";
var str = (this.settings.data.url.indexOf("?") == -1) ? "?id=" + obj.attr("id") : "&id=" + obj.attr("id");
obj.children("ul:eq(0)").getTransform(this.path + xsl, this.settings.data.url + str, { repl : true, callback: function (str, json) {
if(str.length < 10) {
obj.removeClass("closed").removeClass("open").addClass("leaf").children("ul").remove();
if(callback) callback.call();
return;
}
_this.open_branch.apply(_this, [obj]);
if(callback) callback.call();
}
});
}
else {
$.getJSON(this.settings.data.url, { id : obj.attr("id") }, function (data, textStatus) {
if(!data || data.length == 0) {
obj.removeClass("closed").removeClass("open").addClass("leaf").children("ul").remove();
if(callback) callback.call();
return;
}
var str = "";
for(var i = 0; i < data.length; i++) {
str += _this.parseJSON(data[i]);
}
obj.children("ul:eq(0)").replaceWith("<ul>" + str + "</ul>");
obj.find("li:last-child").addClass("last").end().find("li:has(ul)").not(".open").addClass("closed");
obj.find("li").not(".open").not(".closed").addClass("leaf");
_this.open_branch.apply(_this, [obj]);
if(callback) callback.call();
});
}
return true;
}
else {
if(parseInt(this.settings.ui.animation) > 0 && !disable_animation && !($.browser.msie && $.browser.version < 7) ) {
obj.children("ul:eq(0)").css("display","none");
obj.removeClass("closed").addClass("open");
obj.children("ul:eq(0)").slideDown(parseInt(this.settings.ui.animation), function() {
$(this).css("display","");
if(callback) callback.call();
});
} else {
obj.removeClass("closed").addClass("open");
if(callback) callback.call();
}
this.set_cookie("open");
this.settings.callback.onopen.call(null, obj.get(0), this);
return true;
}
},
close_branch : function (obj, disable_animation) {
if(this.locked) return this.error("LOCKED");
var _this = this;
var obj = this.get_node(obj);
if(parseInt(this.settings.ui.animation) > 0 && !disable_animation && !($.browser.msie && $.browser.version < 7) && obj.children("ul:eq(0)").size() == 1) {
obj.children("ul:eq(0)").slideUp(parseInt(this.settings.ui.animation), function() {
obj.removeClass("open").addClass("closed");
_this.set_cookie("open");
$(this).css("display","");
});
}
else {
obj.removeClass("open").addClass("closed");
this.set_cookie("open");
}
if(this.selected && obj.children("ul:eq(0)").find("a.clicked").size() > 0) {
obj.find("li:has(a.clicked)").each(function() {
_this.deselect_branch(this); //Commenting this out could preserve selection on close
//I could see this as extremely useful, however it could be easy for someone to trip up
//with lack of visual cue... perhaps a semi-shaded style for collapsed if wanting to preserve selection
});
//I disagree with the following scheme, that an entire group would be selected just for collapsing a selected child..
//if(obj.children("a.clicked").size() == 0) this.select_branch(obj, (this.settings.rules.multiple != false && this.selected_arr.length > 0) );
}
this.settings.callback.onclose.call(null, obj.get(0), this);
},
open_all : function (obj) {
if(this.locked) return this.error("LOCKED");
var _this = this;
obj = obj ? $(obj) : this.container;
obj.find("li.closed").each( function () { var __this = this; _this.open_branch.apply(_this, [this, true, function() { _this.open_all.apply(_this, [__this]); } ]); });
},
close_all : function () {
if(this.locked) return this.error("LOCKED");
var _this = this;
$(this.container).find("li.open").each( function () { _this.close_branch(this); });
},
show_lang : function (i) {
if(this.locked) return this.error("LOCKED");
if(this.settings.languages[i] == this.current_lang) return true;
var st = false;
var id = this.container.attr("id") ? "#" + this.container.attr("id") : ".tree";
st = get_css(id + " ." + this.current_lang, this.sn);
if(st !== false) st.style.display = "none";
st = get_css(id + " ." + this.settings.languages[i], this.sn);
if(st !== false) st.style.display = "block";
this.current_lang = this.settings.languages[i];
return true;
},
cycle_lang : function() {
if(this.locked) return this.error("LOCKED");
var i = $.inArray(this.current_lang, this.settings.languages);
i ++;
if(i > this.settings.languages.length - 1) i = 0;
this.show_lang(i);
},
create : function (type) {
if(this.locked) return this.error("LOCKED");
// NOTHING SELECTED
if(!this.selected) return this.error("CREATE: NO NODE SELECTED");
if(!this.check("creatable", this.selected)) return this.error("CREATE: CANNOT CREATE IN NODE");
var t = type || this.get_type();
if(this.settings.rules.use_inline && this.settings.rules.metadata) {
$.metadata.setType("attr", this.settings.rules.metadata);
if(typeof this.selected.metadata()["valid_children"] != "undefined") {
if($.inArray(t, this.selected.metadata()["valid_children"]) == -1) return this.error("CREATE: NODE NOT A VALID CHILD");
}
if(typeof this.selected.metadata()["max_children"] != "undefined") {
if( (this.selected.children("ul:eq(0)").children("li").size() + 1) > this.selected.metadata().max_children) return this.error("CREATE: MAX_CHILDREN REACHED");
}
var ok = true;
this.selected.parents("li").each(function(i) {
if($(this).metadata().max_depth) {
if( (i + 1) >= $(this).metadata().max_depth) {
ok = false;
}
}
});
if(!ok) return this.error("CREATE: MAX_DEPTH REACHED");
}
if(this.selected.hasClass("closed")) {
var _this = this;
return this.open_branch(this.selected, true, function () { _this.create.apply(_this, [type]); } );
}
$li = $("<li />");
// NEW NODE IS OF PASSED TYPE OR PARENT'S TYPE
if(this.settings.rules.metadata) {
$.metadata.setType("attr", this.settings.rules.metadata);
$li.attr(this.settings.rules.metadata, "type: '" + t + "'");
}
else {
$li.attr(this.settings.rules.type_attr, t)
}
if(this.settings.languages.length) {
for(i = 0; i < this.settings.languages.length; i++) {
var val = "New folder";
if(this.settings.lang.new_node) {
if((typeof this.settings.lang.new_node).toLowerCase() != "string" && this.settings.lang.new_node[i]) val = this.settings.lang.new_node[i];
else val = this.settings.lang.new_node;
}
$li.append("<a class='" + this.settings.languages[i] + "'>" + val + "</a>");
}
}
else { $li.append("<a>" + (this.settings.lang.new_node || "New folder") + "</a>"); }
$li.addClass("leaf");
if(this.settings.rules.createat == "top" || this.selected.children("ul").size() == 0) {
this.moved($li,this.selected.children("a:eq(0)"),"inside", true);
}
else {
this.moved($li,this.selected.children("ul:eq(0)").children("li:last").children("a:eq(0)"),"after",true);
}
this.select_branch($li.children("a:eq(0)"));
this.rename();
return $li;
},
rename : function () {
if(this.locked) return this.error("LOCKED");
if(this.selected) {
var _this = this;
if(!this.check("renameable", this.selected)) return this.error("RENAME: NODE NOT RENAMABLE");
if(!this.settings.callback.beforerename.call(null,this.selected.get(0), _this.current_lang, _this)) return this.error("RENAME: STOPPED BY USER");
var obj = this.selected;
if(this.current_lang) obj = obj.find("a." + this.current_lang).get(0);
else obj = obj.find("a:first").get(0);
last_value = obj.innerHTML;
/*
var w_max = 170;
var w_min = 10;
var c_wid = (obj.offsetWidth - 25);
c_wid = Math.max(w_min,c_wid);
c_wid = Math.min(w_max,c_wid);
*/
_this.inp = $("<input type='text' value='" + last_value + "' />");
_this.inp
.bind("mousedown", function (event) { event.stopPropagation(); })
.bind("mouseup", function (event) { event.stopPropagation(); })
.bind("click", function (event) { event.stopPropagation(); })
.bind("keyup", function (event) {
var key = event.keyCode || event.which;
if(key == 27) { this.blur(); return }
if(key == 13) { this.blur(); return }
});
_this.inp.blur(function(event) {
if(this.value == "") this.value == last_value;
$(obj).html( $(obj).parent().find("input").eq(0).attr("value") ).get(0).style.display = "";
$(obj).prevAll("span").remove();
_this.settings.callback.onrename.call(null, _this.get_node(obj).get(0), _this.current_lang, _this);
_this.inp = false;
});
var spn = $("<span />").addClass(obj.className).append(_this.inp);
spn.attr("style", $(obj).attr("style"));
obj.style.display = "none";
$(obj).parent().prepend(spn);
_this.inp.get(0).focus();
_this.inp.get(0).select();
}
else return this.error("RENAME: NO NODE SELECTED");
},
// REMOVE NODES
remove : function() {
if(this.locked) return this.error("LOCKED");
if(this.selected) {
if(!this.check("deletable", this.selected)) return this.error("DELETE: NODE NOT DELETABLE");
if(!this.settings.callback.beforedelete.call(null,this.selected.get(0), _this)) return this.error("DELETE: STOPPED BY USER");
$parent = this.selected.parent();
var obj = this.selected;
if(!this.settings.rules.multiple != false || this.selected_arr.length == 1) {
var stop = true;
this.get_prev();
}
obj = obj.remove();
$parent.children("li:last").addClass("last");
if($parent.children("li").size() == 0) {
$li = $parent.parents("li:eq(0)");
$li.removeClass("open").removeClass("closed").addClass("leaf").children("ul").remove();
this.set_cookie("open");
}
this.selected = false;
this.settings.callback.ondelete.call(null, obj, this);
if(this.settings.rules.multiple != false && !stop) {
var _this = this;
this.selected_arr = [];
this.container.find("a.clicked").filter(":first-child").parent().each(function () {
_this.selected_arr.push($(this));
});
if(this.selected_arr.length > 0) {
this.selected = this.selected_arr[0];
this.remove();
}
}
}
else return this.error("DELETE: NO NODE SELECTED");
},
// FOR EXPLORER-LIKE KEYBOARD SHORTCUTS
get_next : function() {
var obj = this.hovered || this.selected;
if(obj) {
if(obj.hasClass("open")) return this.hover_branch(obj.find("li:eq(0)"));
else if($(obj).nextAll("li").size() > 0) return this.hover_branch(obj.nextAll("li:eq(0)"));
else return this.hover_branch(obj.parents("li").next("li").eq(0));
}
},
get_prev : function() {
var obj = this.hovered || this.selected;
if(obj) {
if(obj.prev("li").size()) {
var obj = obj.prev("li").eq(0);
while(obj.hasClass("open")) obj = obj.children("ul:eq(0)").children("li:last");
return this.hover_branch(obj);
}
else { return this.hover_branch(obj.parents("li:eq(0)")); }
}
},
get_left : function() {
var obj = this.hovered || this.selected;
if(obj) {
if(obj.hasClass("open")) this.close_branch(obj);
else this.get_prev();
}
},
get_right : function() {
var obj = this.hovered || this.selected;
if(obj) {
if(obj.hasClass("closed")) this.open_branch(obj);
else this.get_next();
}
},
toggleDots : function () {
this.container.toggleClass("no_dots");
},
set_cookie : function (type) {
if(this.settings.cookies === false) return false;
switch(type) {
case "selected":
var val = this.selected ? this.selected.attr("id") : false;
$.cookie(this.settings.cookies.prefix + '_selected',val,this.settings.cookies.opts);
break;
case "open":
var str = "";
this.container.find("li.open").each(function (i) { str += this.id + ","; });
$.cookie(this.settings.cookies.prefix + '_open',str.replace(/,$/ig,""),this.settings.cookies.opts);
break;
}
},
moved : function (what, where, how, is_new, is_copy) {
var what = $(what);
var $parent = $(what).parents("ul:eq(0)");
var $where = $(where);
// IF MULTIPLE
if(what.size() > 1) {
var _this = this;
var tmp = this.moved(what.eq(0),where,how, false, is_copy);
what.each(function (i) {
if(i == 0) return;
tmp = _this.moved(this, tmp.children("a:eq(0)"), "after");
})
return;
}
if(is_new) {
if(!this.settings.callback.beforecreate.call(null,this.get_node(what).get(0), this.get_node(where).get(0),how,this)) return;
}
else {
if(!this.settings.callback.beforemove.call(null,this.get_node(what).get(0), this.get_node(where).get(0),how,this)) return;
}
// ADD NODE TO NEW PLACE
switch(how) {
case "before":
$where.parents("ul:eq(0)").children("li.last").removeClass("last");
$where.parent().before(what.removeClass("last"));
$where.parents("ul:eq(0)").children("li:last").addClass("last");
break;
case "after":
$where.parents("ul:eq(0)").children("li.last").removeClass("last");
$where.parent().after(what.removeClass("last"));
$where.parents("ul:eq(0)").children("li:last").addClass("last");
break;
case "inside":
if(this.settings.data.async) {
var obj = this.get_node($where);
if(obj.hasClass("closed")) {
var _this = this;
return this.open_branch(obj, true, function () { _this.moved.apply(_this, [what, where, how, is_new, is_copy]); })
}
}
if($where.parent().children("ul:first").size()) {
if(this.settings.rules.createat == "top") $where.parent().children("ul:first").prepend(what.removeClass("last")).children("li:last").addClass("last");
else $where.parent().children("ul:first").children(".last").removeClass("last").end().append(what.removeClass("last")).children("li:last").addClass("last");
}
else {
what.addClass("last");
$where.parent().append("<ul/>").removeClass("leaf").addClass("closed");
$where.parent().children("ul:first").prepend(what);
}
if(!this.settings.data.async) {
this.open_branch($where);
}
break;
default:
break;
}
// CLEANUP OLD PARENT
if($parent.find("li").size() == 0) {
var $li = $parent.parent();
$li.removeClass("open").removeClass("closed").addClass("leaf").children("ul").remove();
$li.parents("ul:eq(0)").children("li.last").removeClass("last").end().children("li:last").addClass("last");
this.set_cookie("open");
}
else {
$parent.children("li.last").removeClass("last");
$parent.children("li:last").addClass("last");
}
if(is_new && how != "inside") where = this.get_node(where).parents("li:eq(0)");
if(is_copy) this.settings.callback.oncopy.call(null, this.get_node(what).get(0), this.get_node(where).get(0), how, this)
else if(is_new) this.settings.callback.oncreate.call(null, this.get_node(what).get(0), this.get_node(where).get(0), this.settings.insertAt, this);
else this.settings.callback.onmove.call(null, this.get_node(what).get(0), this.get_node(where).get(0), how, this);
return what;
},
error : function (code) {
this.settings.callback.error.call(null,code,this);
return false;
},
lock : function (state) {
this.locked = state;
if(this.locked) this.container.addClass("locked");
else this.container.removeClass("locked");
},
cut : function () {
if(this.locked) return this.error("LOCKED");
if(!this.selected) return this.error("CUT: NO NODE SELECTED");
this.copy_nodes = false;
this.cut_nodes = this.container.find("a.clicked").filter(":first-child").parent();
},
copy : function () {
if(this.locked) return this.error("LOCKED");
if(!this.selected) return this.error("COPY: NO NODE SELECTED");
this.copy_nodes = this.container.find("a.clicked").filter(":first-child").parent();
this.cut_nodes = false;
},
paste : function () {
if(this.locked) return this.error("LOCKED");
if(!this.selected) return this.error("PASTE: NO NODE SELECTED");
if(!this.copy_nodes && !this.cut_nodes) return this.error("PASTE: NOTHING TO DO");
if(this.copy_nodes && this.copy_nodes.size()) {
if(!this.checkMove(this.copy_nodes, this.selected.children("a:eq(0)"), "inside")) return false;
tmp = this.copy_nodes.clone();
tmp.each(function (i) {
this.id = this.id + "_copy";
$(this).find("li").each(function () {
this.id = this.id + "_copy";
})
});
this.moved(tmp, this.selected.children("a:eq(0)"), "inside", false, true);
this.copy_nodes = false;
}
if(this.cut_nodes && this.cut_nodes.size()) {
if(!this.checkMove(this.cut_nodes, this.selected.children("a:eq(0)"), "inside")) return false;
this.moved(this.cut_nodes, this.selected.children("a:eq(0)"), "inside");
this.cut_nodes = false;
}
}
}
}