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/**
* @class elFinder folders tree
*
* @author Dmitry (dio) Levashov
**/
jQuery.fn.elfindertree = function(fm, opts) {
"use strict";
var treeclass = fm.res('class', 'tree');
this.not('.'+treeclass).each(function() {
var c = 'class', mobile = fm.UA.Mobile,
/**
* Root directory class name
*
* @type String
*/
root = fm.res(c, 'treeroot'),
/**
* Open root dir if not opened yet
*
* @type Boolean
*/
openRoot = opts.openRootOnLoad,
/**
* Open current work dir if not opened yet
*
* @type Boolean
*/
openCwd = opts.openCwdOnOpen,
/**
* Auto loading current directory parents and do expand their node
*
* @type Boolean
*/
syncTree = openCwd || opts.syncTree,
/**
* Subtree class name
*
* @type String
*/
subtree = fm.res(c, 'navsubtree'),
/**
* Directory class name
*
* @type String
*/
navdir = fm.res(c, 'treedir'),
/**
* Directory CSS selector
*
* @type String
*/
selNavdir = 'span.' + navdir,
/**
* Collapsed arrow class name
*
* @type String
*/
collapsed = fm.res(c, 'navcollapse'),
/**
* Expanded arrow class name
*
* @type String
*/
expanded = fm.res(c, 'navexpand'),
/**
* Class name to mark arrow for directory with already loaded children
*
* @type String
*/
loaded = 'elfinder-subtree-loaded',
/**
* Class name to mark need subdirs request
*
* @type String
*/
chksubdir = 'elfinder-subtree-chksubdir',
/**
* Arraw class name
*
* @type String
*/
arrow = fm.res(c, 'navarrow'),
/**
* Current directory class name
*
* @type String
*/
active = fm.res(c, 'active'),
/**
* Droppable dirs dropover class
*
* @type String
*/
dropover = fm.res(c, 'adroppable'),
/**
* Hover class name
*
* @type String
*/
hover = fm.res(c, 'hover'),
/**
* Disabled dir class name
*
* @type String
*/
disabled = fm.res(c, 'disabled'),
/**
* Draggable dir class name
*
* @type String
*/
draggable = fm.res(c, 'draggable'),
/**
* Droppable dir class name
*
* @type String
*/
droppable = fm.res(c, 'droppable'),
/**
* root wrapper class
*
* @type String
*/
wrapperRoot = 'elfinder-navbar-wrapper-root',
/**
* Un-disabled cmd `paste` volume's root wrapper class
*
* @type String
*/
pastable = 'elfinder-navbar-wrapper-pastable',
/**
* Un-disabled cmd `upload` volume's root wrapper class
*
* @type String
*/
uploadable = 'elfinder-navbar-wrapper-uploadable',
/**
* Is position x inside Navbar
*
* @param x Numbar
*
* @return
*/
insideNavbar = function(x) {
var left = navbar.offset().left;
return left <= x && x <= left + navbar.width();
},
/**
* To call subdirs elements queue
*
* @type Object
*/
subdirsQue = {},
/**
* To exec subdirs elements ids
*
*/
subdirsExecQue = [],
/**
* Request subdirs to backend
*
* @param id String
*
* @return Deferred
*/
subdirs = function(ids) {
var targets = [];
jQuery.each(ids, function(i, id) {
subdirsQue[id] && targets.push(fm.navId2Hash(id));
delete subdirsQue[id];
});
if (targets.length) {
return fm.request({
data: {
cmd: 'subdirs',
targets: targets,
preventDefault : true
}
}).done(function(res) {
if (res && res.subdirs) {
jQuery.each(res.subdirs, function(hash, subdirs) {
var elm = fm.navHash2Elm(hash);
elm.removeClass(chksubdir);
elm[subdirs? 'addClass' : 'removeClass'](collapsed);
});
}
});
}
},
subdirsJobRes = null,
/**
* To check target element is in window of subdirs
*
* @return void
*/
checkSubdirs = function() {
var ids = Object.keys(subdirsQue);
if (ids.length) {
subdirsJobRes && subdirsJobRes._abort();
execSubdirsTm && clearTimeout(execSubdirsTm);
subdirsExecQue = [];
subdirsJobRes = fm.asyncJob(function(id) {
return fm.isInWindow(jQuery('#'+id))? id : null;
}, ids, { numPerOnce: 200 })
.done(function(arr) {
if (arr.length) {
subdirsExecQue = arr;
execSubdirs();
}
});
}
},
subdirsPending = 0,
execSubdirsTm,
/**
* Exec subdirs as batch request
*
* @return void
*/
execSubdirs = function() {
var cnt = opts.subdirsMaxConn - subdirsPending,
atOnce = fm.maxTargets? Math.min(fm.maxTargets, opts.subdirsAtOnce) : opts.subdirsAtOnce,
i, ids;
execSubdirsTm && cancelAnimationFrame(execSubdirsTm);
if (subdirsExecQue.length) {
if (cnt > 0) {
for (i = 0; i < cnt; i++) {
if (subdirsExecQue.length) {
subdirsPending++;
subdirs(subdirsExecQue.splice(0, atOnce)).always(function() {
subdirsPending--;
execSubdirs();
});
}
}
} else {
execSubdirsTm = requestAnimationFrame(function() {
subdirsExecQue.length && execSubdirs();
});
}
}
},
drop = fm.droppable.drop,
/**
* Droppable options
*
* @type Object
*/
droppableopts = jQuery.extend(true, {}, fm.droppable, {
// show subfolders on dropover
over : function(e, ui) {
var dst = jQuery(this),
helper = ui.helper,
cl = hover+' '+dropover,
hash, status;
e.stopPropagation();
helper.data('dropover', helper.data('dropover') + 1);
dst.data('dropover', true);
if (ui.helper.data('namespace') !== fm.namespace || ! fm.insideWorkzone(e.pageX, e.pageY)) {
dst.removeClass(cl);
helper.removeClass('elfinder-drag-helper-move elfinder-drag-helper-plus');
return;
}
if (! insideNavbar(e.clientX)) {
dst.removeClass(cl);
return;
}
helper.removeClass('elfinder-drag-helper-move elfinder-drag-helper-plus');
dst.addClass(hover);
if (dst.is('.'+collapsed+':not(.'+expanded+')')) {
dst.data('expandTimer', setTimeout(function() {
dst.is('.'+collapsed+'.'+hover) && dst.children('.'+arrow).trigger('click');
}, 500));
}
if (dst.is('.elfinder-ro,.elfinder-na')) {
dst.removeClass(dropover);
//helper.removeClass('elfinder-drag-helper-move elfinder-drag-helper-plus');
return;
}
hash = fm.navId2Hash(dst.attr('id'));
dst.data('dropover', hash);
jQuery.each(ui.helper.data('files'), function(i, h) {
if (h === hash || (fm.file(h).phash === hash && !ui.helper.hasClass('elfinder-drag-helper-plus'))) {
dst.removeClass(cl);
return false; // break jQuery.each
}
});
if (helper.data('locked')) {
status = 'elfinder-drag-helper-plus';
} else {
status = 'elfinder-drag-helper-move';
if (fm._commands.copy && (e.shiftKey || e.ctrlKey || e.metaKey)) {
status += ' elfinder-drag-helper-plus';
}
}
dst.hasClass(dropover) && helper.addClass(status);
requestAnimationFrame(function(){ dst.hasClass(dropover) && helper.addClass(status); });
},
out : function(e, ui) {
var dst = jQuery(this),
helper = ui.helper;
e.stopPropagation();
if (insideNavbar(e.clientX)) {
helper.removeClass('elfinder-drag-helper-move elfinder-drag-helper-plus');
}
helper.data('dropover', Math.max(helper.data('dropover') - 1, 0));
dst.data('expandTimer') && clearTimeout(dst.data('expandTimer'));
dst.removeData('dropover')
.removeClass(hover+' '+dropover);
},
deactivate : function() {
jQuery(this).removeData('dropover')
.removeClass(hover+' '+dropover);
},
drop : function(e, ui) {
insideNavbar(e.clientX) && drop.call(this, e, ui);
}
}),
spinner = jQuery(fm.res('tpl', 'navspinner')),
/**
* Directory html template
*
* @type String
*/
tpl = fm.res('tpl', 'navdir'),
/**
* Permissions marker html template
*
* @type String
*/
ptpl = fm.res('tpl', 'perms'),
/**
* Lock marker html template
*
* @type String
*/
ltpl = fm.res('tpl', 'lock'),
/**
* Symlink marker html template
*
* @type String
*/
stpl = fm.res('tpl', 'symlink'),
/**
* Directory hashes that has more pages
*
* @type Object
*/
hasMoreDirs = {},
/**
* Html template replacement methods
*
* @type Object
*/
replace = {
id : function(dir) { return fm.navHash2Id(dir.hash); },
name : function(dir) { return fm.escape(dir.i18 || dir.name); },
cssclass : function(dir) {
var cname = (dir.phash && ! dir.isroot ? '' : root)+' '+navdir+' '+fm.perms2class(dir);
dir.dirs && !dir.link && (cname += ' ' + collapsed) && dir.dirs == -1 && (cname += ' ' + chksubdir);
opts.getClass && (cname += ' ' + opts.getClass(dir));
dir.csscls && (cname += ' ' + fm.escape(dir.csscls));
return cname;
},
title : function(dir) { return opts.attrTitle? (' title="' + fm.escape(fm.path(dir.hash, true) || dir.i18 || dir.name) + '"') : ''; },
root : function(dir) {
var cls = '';
if (!dir.phash || dir.isroot) {
cls += ' '+wrapperRoot;
if (!dir.disabled || dir.disabled.length < 1) {
cls += ' '+pastable+' '+uploadable;
} else {
if (jQuery.inArray('paste', dir.disabled) === -1) {
cls += ' '+pastable;
}
if (jQuery.inArray('upload', dir.disabled) === -1) {
cls += ' '+uploadable;
}
}
return cls;
} else {
return '';
}
},
permissions : function(dir) { return !dir.read || !dir.write ? ptpl : ''; },
symlink : function(dir) { return dir.alias ? stpl : ''; },
style : function(dir) { return dir.icon ? fm.getIconStyle(dir) : ''; }
},
/**
* Return html for given dir
*
* @param Object directory
* @return String
*/
itemhtml = function(dir) {
return tpl.replace(/(?:\{([a-z]+)\})/ig, function(m, key) {
var res = replace[key] ? replace[key](dir) : (dir[key] || '');
if (key === 'id' && dir.dirs == -1) {
subdirsQue[res] = res;
}
return res;
});
},
/**
* Return only dirs from files list
*
* @param Array files list
* @param Boolean do check exists
* @return Array
*/
filter = function(files, checkExists) {
return jQuery.map(files || [], function(f) {
return (f.mime === 'directory' && (!checkExists || fm.navHash2Elm(f.hash).length)) ? f : null;
});
},
/**
* Find parent subtree for required directory
*
* @param String dir hash
* @return jQuery
*/
findSubtree = function(hash) {
return hash ? fm.navHash2Elm(hash).next('.'+subtree) : tree;
},
/**
* Find directory (wrapper) in required node
* before which we can insert new directory
*
* @param jQuery parent directory
* @param Object new directory
* @return jQuery
*/
findSibling = function(subtree, dir) {
var node = subtree.children(':first'),
info;
while (node.length) {
info = fm.file(fm.navId2Hash(node.children('[id]').attr('id')));
if ((info = fm.file(fm.navId2Hash(node.children('[id]').attr('id'))))
&& compare(dir, info) < 0) {
return node;
}
node = node.next();
}
return subtree.children('button.elfinder-navbar-pager-next');
},
/**
* Add new dirs in tree
*
* @param Array dirs list
* @return void
*/
updateTree = function(dirs) {
var length = dirs.length,
orphans = [],
i = length,
tgts = jQuery(),
done = {},
cwd = fm.cwd(),
append = function(parent, dirs, start, direction) {
var hashes = {},
curStart = 0,
max = fm.newAPI? Math.min(10000, Math.max(10, opts.subTreeMax)) : 10000,
setHashes = function() {
hashes = {};
jQuery.each(dirs, function(i, d) {
hashes[d.hash] = i;
});
},
change = function(mode) {
if (mode === 'prepare') {
jQuery.each(dirs, function(i, d) {
d.node && parent.append(d.node.hide());
});
} else if (mode === 'done') {
jQuery.each(dirs, function(i, d) {
d.node && d.node.detach().show();
});
}
},
update = function(e, data) {
var i, changed;
e.stopPropagation();
if (data.select) {
render(getStart(data.select));
return;
}
if (data.change) {
change(data.change);
return;
}
if (data.removed && data.removed.length) {
dirs = jQuery.grep(dirs, function(d) {
if (data.removed.indexOf(d.hash) === -1) {
return true;
} else {
!changed && (changed = true);
return false;
}
});
}
if (data.added && data.added.length) {
dirs = dirs.concat(jQuery.grep(data.added, function(d) {
if (hashes[d.hash] === void(0)) {
!changed && (changed = true);
return true;
} else {
return false;
}
}));
}
if (changed) {
dirs.sort(compare);
setHashes();
render(curStart);
}
},
getStart = function(target) {
if (hashes[target] !== void(0)) {
return Math.floor(hashes[target] / max) * max;
}
return void(0);
},
target = fm.navId2Hash(parent.prev('[id]').attr('id')),
render = function(start, direction) {
var html = [],
nodes = {},
total, page, s, parts, prev, next, prevBtn, nextBtn;
delete hasMoreDirs[target];
curStart = start;
parent.off('update.'+fm.namespace, update);
if (dirs.length > max) {
parent.on('update.'+fm.namespace, update);
if (start === void(0)) {
s = 0;
setHashes();
start = getStart(cwd.hash);
if (start === void(0)) {
start = 0;
}
}
parts = dirs.slice(start, start + max);
hasMoreDirs[target] = parent;
prev = start? Math.max(-1, start - max) : -1;
next = (start + max >= dirs.length)? 0 : start + max;
total = Math.ceil(dirs.length/max);
page = Math.ceil(start/max);
}
jQuery.each(parts || dirs, function(i, d) {
html.push(itemhtml(d));
if (d.node) {
nodes[d.hash] = d.node;
}
});
if (prev > -1) {
prevBtn = jQuery('<button class="elfinder-navbar-pager elfinder-navbar-pager-prev"></button>')
.text(fm.i18n('btnPrevious', page, total))
.button({
icons: {
primary: "ui-icon-caret-1-n"
}
})
.on('click', function(e) {
e.preventDefault();
e.stopPropagation();
render(prev, 'up');
});
} else {
prevBtn = jQuery();
}
if (next) {
nextBtn = jQuery('<button class="elfinder-navbar-pager elfinder-navbar-pager-next"></button>')
.text(fm.i18n('btnNext', page + 2, total))
.button({
icons: {
primary: "ui-icon-caret-1-s"
}
})
.on('click', function(e) {
e.preventDefault();
e.stopPropagation();
render(next, 'down');
});
} else {
nextBtn = jQuery();
}
detach();
parent.empty()[parts? 'addClass' : 'removeClass']('elfinder-navbar-hasmore').append(prevBtn, html.join(''), nextBtn);
jQuery.each(nodes, function(h, n) {
fm.navHash2Elm(h).parent().replaceWith(n);
});
if (direction) {
autoScroll(fm.navHash2Id(parts[direction === 'up'? parts.length - 1 : 0].hash));
}
! mobile && fm.lazy(function() { updateDroppable(null, parent); });
},
detach = function() {
jQuery.each(parent.children('.elfinder-navbar-wrapper'), function(i, elm) {
var n = jQuery(elm),
ch = n.children('[id]:first'),
h, c;
if (ch.hasClass(loaded)) {
h = fm.navId2Hash(ch.attr('id'));
if (h && (c = hashes[h]) !== void(0)) {
dirs[c].node = n.detach();
}
}
});
};
render();
},
dir, html, parent, sibling, init, atonce = {}, updates = [], base, node,
lastKey, lastNodes = {};
while (i--) {
dir = dirs[i];
if (done[dir.hash] || fm.navHash2Elm(dir.hash).length) {
continue;
}
done[dir.hash] = true;
if ((parent = findSubtree(dir.phash)).length) {
lastKey = dir.phash || 'treeroot';
if (typeof lastNodes[lastKey] === 'undefined') {
lastNodes[lastKey] = parent.children(':last');
}
init = !lastNodes[lastKey].length;
if (dir.phash && (init || parent.hasClass('elfinder-navbar-hasmore') || (sibling = findSibling(parent, dir)).length)) {
if (init) {
if (!atonce[dir.phash]) {
atonce[dir.phash] = [];
}
atonce[dir.phash].push(dir);
} else {
if (sibling) {
node = itemhtml(dir);
sibling.before(node);
! mobile && (tgts = tgts.add(node));
} else {
updates.push(dir);
}
}
} else {
node = itemhtml(dir);
if (init) {
parent.prepend(node);
} else {
lastNodes[lastKey].after(node);
}
if (!dir.phash || dir.isroot) {
base = fm.navHash2Elm(dir.hash).parent();
}
! mobile && updateDroppable(null, base);
}
} else {
orphans.push(dir);
}
}
// When init, html append at once
if (Object.keys(atonce).length){
jQuery.each(atonce, function(p, dirs){
var parent = findSubtree(p),
html = [];
dirs.sort(compare);
append(parent, dirs);
});
}
if (updates.length) {
parent.trigger('update.' + fm.namespace, { added : updates });
}
if (orphans.length && orphans.length < length) {
updateTree(orphans);
return;
}
! mobile && tgts.length && fm.lazy(function() { updateDroppable(tgts); });
},
/**
* sort function by dir.name
*
*/
compare = function(dir1, dir2) {
if (! fm.sortAlsoTreeview) {
return fm.sortRules.name(dir1, dir2);
} else {
var asc = fm.sortOrder == 'asc',
type = fm.sortType,
rules = fm.sortRules,
res;
res = asc? rules[fm.sortType](dir1, dir2) : rules[fm.sortType](dir2, dir1);
return type !== 'name' && res === 0
? res = asc ? rules.name(dir1, dir2) : rules.name(dir2, dir1)
: res;
}
},
/**
* Timer ID of autoScroll
*
* @type Integer
*/
autoScrTm,
/**
* Auto scroll to cwd
*
* @return Object jQuery Deferred
*/
autoScroll = function(target) {
var dfrd = jQuery.Deferred(),
current, parent, top, treeH, bottom, tgtTop;
autoScrTm && clearTimeout(autoScrTm);
autoScrTm = setTimeout(function() {
current = jQuery(document.getElementById((target || fm.navHash2Id(fm.cwd().hash))));
if (current.length) {
// expand parents directory
(openCwd? current : current.parent()).parents('.elfinder-navbar-wrapper').children('.'+loaded).addClass(expanded).next('.'+subtree).show();
parent = tree.parent().stop(false, true);
top = parent.offset().top;
treeH = parent.height();
bottom = top + treeH - current.outerHeight();
tgtTop = current.offset().top;
if (tgtTop < top || tgtTop > bottom) {
parent.animate({
scrollTop : parent.scrollTop() + tgtTop - top - treeH / 3
}, {
duration : opts.durations.autoScroll,
complete : function() { dfrd.resolve(); }
});
} else {
dfrd.resolve();
}
} else {
dfrd.reject();
}
}, 100);
return dfrd;
},
/**
* Get hashes array of items of the bottom of the leaf root back from the target
*
* @param Object elFinder item(directory) object
* @return Array hashes
*/
getEnds = function(d) {
var cur = d || fm.cwd(),
res = cur.hash? [ cur.hash ] : [],
phash, root, dir;
root = fm.root(cur.hash);
dir = fm.file(root);
while (dir && (phash = dir.phash)) {
res.unshift(phash);
root = fm.root(phash);
dir = fm.file(root);
if (fm.navHash2Elm(dir.hash).hasClass(loaded)) {
break;
}
}
return res;
},
/**
* Select pages back in order to display the target
*
* @param Object elFinder item(directory) object
* @return Object jQuery node object of target node
*/
selectPages = function(current) {
var cur = current || fm.cwd(),
curHash = cur.hash,
node = fm.navHash2Elm(curHash);
if (!node.length) {
while(cur && cur.phash) {
if (hasMoreDirs[cur.phash] && !fm.navHash2Elm(cur.hash).length) {
hasMoreDirs[cur.phash].trigger('update.'+fm.namespace, { select : cur.hash });
}
cur = fm.file(cur.phash);
}
node = fm.navHash2Elm(curHash);
}
return node;
},
/**
* Flag indicating that synchronization is currently in progress
*
* @type Boolean
*/
syncing,
/**
* Mark current directory as active
* If current directory is not in tree - load it and its parents
*
* @param Array directory objects of cwd
* @param Boolean do auto scroll
* @return Object jQuery Deferred
*/
sync = function(cwdDirs, aScr) {
var cwd = fm.cwd(),
cwdhash = cwd.hash,
autoScr = aScr === void(0)? syncTree : aScr,
loadParents = function(dir) {
var dfd = jQuery.Deferred(),
reqs = [],
ends = getEnds(dir),
makeReq = function(cmd, h, until) {
var data = {
cmd : cmd,
target : h
};
if (until) {
data.until = until;
}
return fm.request({
data : data,
preventFail : true
});
},
baseHash, baseId;
reqs = jQuery.map(ends, function(h) {
var d = fm.file(h),
isRoot = d? fm.isRoot(d) : false,
node = fm.navHash2Elm(h),
getPhash = function(h, dep) {
var d, ph,
depth = dep || 1;
ph = (d = fm.file(h))? d.phash : false;
if (ph && depth > 1) {
return getPhash(ph, --depth);
}
return ph;
},
until,
closest = (function() {
var phash = getPhash(h);
until = phash;
while (phash) {
if (fm.navHash2Elm(phash).hasClass(loaded)) {
break;
}
until = phash;
phash = getPhash(phash);
}
if (!phash) {
until = void(0);
phash = fm.root(h);
}
return phash;
})(),
cmd;
if (!node.hasClass(loaded) && (isRoot || !d || !fm.navHash2Elm(d.phash).hasClass(loaded))) {
if (isRoot || closest === getPhash(h) || closest === getPhash(h, 2)) {
until = void(0);
cmd = 'tree';
if (!isRoot) {
h = getPhash(h);
}
} else {
cmd = 'parents';
}
if (!baseHash) {
baseHash = (cmd === 'tree')? h : closest;
}
return makeReq(cmd, h, until);
}
return null;
});
if (reqs.length) {
selectPages(fm.file(baseHash));
baseId = fm.navHash2Id(baseHash);
autoScr && autoScroll(baseId);
baseNode = jQuery('#'+baseId);
spinner = jQuery(fm.res('tpl', 'navspinner')).insertBefore(baseNode.children('.'+arrow));
baseNode.removeClass(collapsed);
jQuery.when.apply($, reqs)
.done(function() {
var res = {},data, treeDirs, dirs, argLen, i;
argLen = arguments.length;
if (argLen > 0) {
for (i = 0; i < argLen; i++) {
data = arguments[i].tree || [];
res[ends[i]] = Object.assign([], filter(data));
}
}
dfd.resolve(res);
})
.fail(function() {
dfd.reject();
});
return dfd;
} else {
return dfd.resolve();
}
},
done= function(res, dfrd) {
var open = function() {
if (openRoot && baseNode) {
findSubtree(baseNode.hash).show().prev(selNavdir).addClass(expanded);
openRoot = false;
}
if (autoScr) {
autoScroll().done(checkSubdirs);
} else {
checkSubdirs();
}
},
current;
if (res) {
jQuery.each(res, function(endHash, dirs) {
dirs && updateTree(dirs);
selectPages(fm.file(endHash));
dirs && updateArrows(dirs, loaded);
});
}
if (cwdDirs) {
(fm.api < 2.1) && cwdDirs.push(cwd);
updateTree(cwdDirs);
}
// set current node
current = selectPages();
if (!current.hasClass(active)) {
tree.find(selNavdir+'.'+active).removeClass(active);
current.addClass(active);
}
// mark as loaded to cwd parents
current.parents('.elfinder-navbar-wrapper').children('.'+navdir).addClass(loaded);
if (res) {
fm.lazy(open).done(function() {
dfrd.resolve();
});
} else {
open();
dfrd.resolve();
}
},
rmSpinner = function(fail) {
if (baseNode) {
spinner.remove();
baseNode.addClass(collapsed + (fail? '' : (' ' + loaded)));
}
},
dfrd = jQuery.Deferred(),
baseNode, spinner;
if (!fm.navHash2Elm(cwdhash).length) {
syncing = true;
loadParents()
.done(function(res) {
done(res, dfrd);
rmSpinner();
})
.fail(function() {
rmSpinner(true);
dfrd.reject();
})
.always(function() {
syncing = false;
});
} else {
done(void(0), dfrd);
}
// trigger 'treesync' with my jQuery.Deferred
fm.trigger('treesync', dfrd);
return dfrd;
},
/**
* Make writable and not root dirs droppable
*
* @return void
*/
updateDroppable = function(target, node) {
var limit = 100,
next;
if (!target) {
if (!node || node.closest('div.'+wrapperRoot).hasClass(uploadable)) {
(node || tree.find('div.'+uploadable)).find(selNavdir+':not(.elfinder-ro,.elfinder-na)').addClass('native-droppable');
}
if (!node || node.closest('div.'+wrapperRoot).hasClass(pastable)) {
target = (node || tree.find('div.'+pastable)).find(selNavdir+':not(.'+droppable+')');
} else {
target = jQuery();
}
if (node) {
// check leaf roots
node.children('div.'+wrapperRoot).each(function() {
updateDroppable(null, jQuery(this));
});
}
}
// make droppable on async
if (target.length) {
fm.asyncJob(function(elm) {
jQuery(elm).droppable(droppableopts);
}, jQuery.makeArray(target), {
interval : 20,
numPerOnce : 100
});
}
},
/**
* Check required folders for subfolders and update arrow classes
*
* @param Array folders to check
* @param String css class
* @return void
*/
updateArrows = function(dirs, cls) {
var sel = cls == loaded
? '.'+collapsed+':not(.'+loaded+')'
: ':not(.'+collapsed+')';
jQuery.each(dirs, function(i, dir) {
fm.navHash2Elm(dir.phash).filter(sel)
.filter(function() { return jQuery.grep(jQuery(this).next('.'+subtree).children(), function(n) {
return (jQuery(n).children().hasClass(root))? false : true;
}).length > 0; })
.addClass(cls);
});
},
/**
* Navigation tree
*
* @type JQuery
*/
tree = jQuery(this).addClass(treeclass)
// make dirs draggable and toggle hover class
.on('mouseenter mouseleave', selNavdir, function(e) {
var enter = (e.type === 'mouseenter');
if (enter && scrolling) { return; }
var link = jQuery(this),
hash, dir;
if (!link.hasClass(dropover+' '+disabled)) {
if (!mobile && enter && !link.data('dragRegisted') && !link.hasClass(root+' '+draggable+' elfinder-na elfinder-wo')) {
link.data('dragRegisted', true);
if (fm.isCommandEnabled('copy', (hash = fm.navId2Hash(link.attr('id'))))) {
link.draggable(fm.draggable);
}
}
link.toggleClass(hover, enter);
}
// update title attr if necessary
if (enter && opts.attrTitle) {
dir = fm.file(hash || fm.navId2Hash(link.attr('id')));
if (!dir.isroot && link.attr('title') === (dir.i18 || dir.name)) {
link.attr('title', fm.path(hash, true));
}
}
})
// native drag enter
.on('dragenter', selNavdir, function(e) {
if (e.originalEvent.dataTransfer) {
var dst = jQuery(this);
dst.addClass(hover);
if (dst.is('.'+collapsed+':not(.'+expanded+')')) {
dst.data('expandTimer', setTimeout(function() {
dst.is('.'+collapsed+'.'+hover) && dst.children('.'+arrow).trigger('click');
}, 500));
}
}
})
// native drag leave
.on('dragleave', selNavdir, function(e) {
if (e.originalEvent.dataTransfer) {
var dst = jQuery(this);
dst.data('expandTimer') && clearTimeout(dst.data('expandTimer'));
dst.removeClass(hover);
}
})
// open dir or open subfolders in tree
.on('click', selNavdir, function(e) {
var link = jQuery(this),
hash = fm.navId2Hash(link.attr('id')),
file = fm.file(hash);
if (link.data('longtap')) {
link.removeData('longtap');
e.stopPropagation();
return;
}
if (!link.hasClass(active)) {
tree.find(selNavdir+'.'+active).removeClass(active);
link.addClass(active);
}
if (hash != fm.cwd().hash && !link.hasClass(disabled)) {
fm.exec('open', hash).done(function() {
fm.one('opendone', function() {
fm.select({selected: [hash], origin: 'navbar'});
});
});
} else {
if (link.hasClass(collapsed)) {
link.children('.'+arrow).trigger('click');
}
fm.select({selected: [hash], origin: 'navbar'});
}
})
// for touch device
.on('touchstart', selNavdir, function(e) {
if (e.originalEvent.touches.length > 1) {
return;
}
var evt = e.originalEvent,
p;
if (e.target.nodeName === 'INPUT') {
e.stopPropagation();
return;
}
p = jQuery(this).addClass(hover)
.removeData('longtap')
.data('tmlongtap', setTimeout(function(e){
// long tap
p.data('longtap', true);
fm.trigger('contextmenu', {
'type' : 'navbar',
'targets' : [fm.navId2Hash(p.attr('id'))],
'x' : evt.touches[0].pageX,
'y' : evt.touches[0].pageY
});
}, 500));
})
.on('touchmove touchend', selNavdir, function(e) {
if (e.target.nodeName === 'INPUT') {
e.stopPropagation();
return;
}
clearTimeout(jQuery(this).data('tmlongtap'));
jQuery(this).removeData('tmlongtap');
if (e.type == 'touchmove') {
jQuery(this).removeClass(hover);
}
})
// toggle subfolders in tree
.on('click', selNavdir+'.'+collapsed+' .'+arrow, function(e) {
var arrow = jQuery(this),
link = arrow.parent(selNavdir),
stree = link.next('.'+subtree),
dfrd = jQuery.Deferred(),
slideTH = 30, cnt;
e.stopPropagation();
if (link.hasClass(loaded)) {
link.toggleClass(expanded);
fm.lazy(function() {
cnt = link.hasClass(expanded)? stree.children().length + stree.find('div.elfinder-navbar-subtree[style*=block]').children().length : stree.find('div:visible').length;
if (cnt > slideTH) {
stree.toggle();
fm.draggingUiHelper && fm.draggingUiHelper.data('refreshPositions', 1);
checkSubdirs();
} else {
stree.stop(true, true)[link.hasClass(expanded)? 'slideDown' : 'slideUp'](opts.durations.slideUpDown, function(){
fm.draggingUiHelper && fm.draggingUiHelper.data('refreshPositions', 1);
checkSubdirs();
});
}
}).always(function() {
dfrd.resolve();
});
} else {
spinner.insertBefore(arrow);
link.removeClass(collapsed);
fm.request({cmd : 'tree', target : fm.navId2Hash(link.attr('id'))})
.done(function(data) {
updateTree(Object.assign([], filter(data.tree)));
if (stree.children().length) {
link.addClass(collapsed+' '+expanded);
if (stree.children().length > slideTH) {
stree.show();
fm.draggingUiHelper && fm.draggingUiHelper.data('refreshPositions', 1);
checkSubdirs();
} else {
stree.stop(true, true).slideDown(opts.durations.slideUpDown, function(){
fm.draggingUiHelper && fm.draggingUiHelper.data('refreshPositions', 1);
checkSubdirs();
});
}
}
})
.always(function(data) {
spinner.remove();
link.addClass(loaded);
fm.one('treedone', function() {
dfrd.resolve();
});
});
}
arrow.data('dfrd', dfrd);
})
.on('contextmenu', selNavdir, function(e) {
e.stopPropagation();
var self = jQuery(this);
// now dirname editing
if (self.find('input:text').length) {
return;
}
e.preventDefault();
if (!self.data('tmlongtap')) {
fm.trigger('contextmenu', {
'type' : 'navbar',
'targets' : [fm.navId2Hash(jQuery(this).attr('id'))],
'x' : e.pageX,
'y' : e.pageY
});
}
self.addClass('ui-state-hover');
fm.getUI('contextmenu').children().on('mouseenter', function() {
self.addClass('ui-state-hover');
});
fm.bind('closecontextmenu', function() {
self.removeClass('ui-state-hover');
});
})
.on('scrolltoview', selNavdir, function(e, data) {
var self = jQuery(this);
autoScroll(self.attr('id')).done(function() {
if (!data || data.blink === 'undefined' || data.blink) {
fm.resources.blink(self, 'lookme');
}
});
})
// prepend fake dir
.on('create.'+fm.namespace, function(e, item) {
var pdir = findSubtree(item.phash),
lock = item.move || false,
dir = jQuery(itemhtml(item)).addClass('elfinder-navbar-wrapper-tmp'),
selected = fm.selected();
lock && selected.length && fm.trigger('lockfiles', {files: selected});
pdir.prepend(dir);
}),
scrolling = false,
navbarScrTm,
// move tree into navbar
navbar = fm.getUI('navbar').append(tree).show().on('scroll', function() {
scrolling = true;
navbarScrTm && cancelAnimationFrame(navbarScrTm);
navbarScrTm = requestAnimationFrame(function() {
scrolling = false;
checkSubdirs();
});
}),
prevSortTreeview = fm.sortAlsoTreeview;
fm.open(function(e) {
var data = e.data,
dirs = filter(data.files),
contextmenu = fm.getUI('contextmenu');
data.init && tree.empty();
if (fm.UA.iOS) {
navbar.removeClass('overflow-scrolling-touch').addClass('overflow-scrolling-touch');
}
if (dirs.length) {
fm.lazy(function() {
if (!contextmenu.data('cmdMaps')) {
contextmenu.data('cmdMaps', {});
}
updateTree(dirs);
updateArrows(dirs, loaded);
sync(dirs);
});
} else {
sync();
}
})
// add new dirs
.add(function(e) {
var dirs = filter(e.data.added);
if (dirs.length) {
updateTree(dirs);
updateArrows(dirs, collapsed);
}
})
// update changed dirs
.change(function(e) {
// do ot perfome while syncing
if (syncing) {
return;
}
var dirs = filter(e.data.changed, true),
length = dirs.length,
l = length,
tgts = jQuery(),
changed = {},
dir, phash, node, tmp, realParent, reqParent, realSibling, reqSibling, isExpanded, isLoaded, parent, subdirs;
jQuery.each(hasMoreDirs, function(h, node) {
node.trigger('update.'+fm.namespace, { change: 'prepare' });
});
while (l--) {
dir = dirs[l];
phash = dir.phash;
if ((node = fm.navHash2Elm(dir.hash)).length) {
parent = node.parent();
if (phash) {
realParent = node.closest('.'+subtree);
reqParent = findSubtree(phash);
realSibling = node.parent().next();
reqSibling = findSibling(reqParent, dir);
if (!reqParent.length) {
continue;
}
if (reqParent[0] !== realParent[0] || realSibling.get(0) !== reqSibling.get(0)) {
reqSibling.length ? reqSibling.before(parent) : reqParent.append(parent);
}
}
isExpanded = node.hasClass(expanded);
isLoaded = node.hasClass(loaded);
tmp = jQuery(itemhtml(dir));
node.replaceWith(tmp.children(selNavdir));
! mobile && updateDroppable(null, parent);
if (dir.dirs
&& (isExpanded || isLoaded)
&& (node = fm.navHash2Elm(dir.hash))
&& node.next('.'+subtree).children().length) {
isExpanded && node.addClass(expanded);
isLoaded && node.addClass(loaded);
}
subdirs |= dir.dirs == -1;
}
}
// to check subdirs
if (subdirs) {
checkSubdirs();
}
jQuery.each(hasMoreDirs, function(h, node) {
node.trigger('update.'+fm.namespace, { change: 'done' });
});
length && sync(void(0), false);
})
// remove dirs
.remove(function(e) {
var dirs = e.data.removed,
l = dirs.length,
node, stree, removed;
jQuery.each(hasMoreDirs, function(h, node) {
node.trigger('update.'+fm.namespace, { removed : dirs });
node.trigger('update.'+fm.namespace, { change: 'prepare' });
});
while (l--) {
if ((node = fm.navHash2Elm(dirs[l])).length) {
removed = true;
stree = node.closest('.'+subtree);
node.parent().detach();
if (!stree.children().length) {
stree.hide().prev(selNavdir).removeClass(collapsed+' '+expanded+' '+loaded);
}
}
}
removed && fm.getUI('navbar').children('.ui-resizable-handle').trigger('resize');
jQuery.each(hasMoreDirs, function(h, node) {
node.trigger('update.'+fm.namespace, { change: 'done' });
});
})
// lock/unlock dirs while moving
.bind('lockfiles unlockfiles', function(e) {
var lock = e.type == 'lockfiles',
helperLocked = e.data.helper? e.data.helper.data('locked') : false,
act = (lock && !helperLocked) ? 'disable' : 'enable',
dirs = jQuery.grep(e.data.files||[], function(h) {
var dir = fm.file(h);
return dir && dir.mime == 'directory' ? true : false;
});
jQuery.each(dirs, function(i, hash) {
var dir = fm.navHash2Elm(hash);
if (dir.length && !helperLocked) {
dir.hasClass(draggable) && dir.draggable(act);
dir.hasClass(droppable) && dir.droppable(act);
dir[lock ? 'addClass' : 'removeClass'](disabled);
}
});
})
.bind('sortchange', function() {
if (fm.sortAlsoTreeview || prevSortTreeview !== fm.sortAlsoTreeview) {
var dirs,
ends = [],
endsMap = {},
endsVid = {},
topVid = '',
single = false,
current;
fm.lazy(function() {
dirs = filter(fm.files());
prevSortTreeview = fm.sortAlsoTreeview;
tree.empty();
// append volume roots at first
updateTree(jQuery.map(fm.roots, function(h) {
var dir = fm.file(h);
return dir && !dir.phash? dir : null;
}));
if (!Object.keys(hasMoreDirs).length) {
updateTree(dirs);
current = selectPages();
updateArrows(dirs, loaded);
} else {
ends = getEnds();
if (ends.length > 1) {
jQuery.each(ends, function(i, end) {
var vid = fm.file(fm.root(end)).volumeid;
if (i === 0) {
topVid = vid;
}
endsVid[vid] = end;
endsMap[end] = [];
});
jQuery.each(dirs, function(i, d) {
if (!d.volumeid) {
single = true;
return false;
}
endsMap[endsVid[d.volumeid] || endsVid[topVid]].push(d);
});
} else {
single = true;
}
if (single) {
jQuery.each(ends, function(i, endHash) {
updateTree(dirs);
current = selectPages(fm.file(endHash));
updateArrows(dirs, loaded);
});
} else {
jQuery.each(endsMap, function(endHash, dirs) {
updateTree(dirs);
current = selectPages(fm.file(endHash));
updateArrows(dirs, loaded);
});
}
}
sync();
}, 100);
}
});
});
return this;
};