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treegrid
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Save existing groups when adding a grouping

rel-1.0
Vitaliy Filippov 2016-05-15 11:16:50 +03:00
parent 1bc8a8a13d
commit 2ba72731fc
1 changed files with 24 additions and 8 deletions
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32
treegrid.js
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@ -1,7 +1,7 @@
/**
* Very simple and fast tree grid/table, compatible with dynamic loading and jQuery fixedHeaderTable
* License: MPL 2.0+, (c) Vitaliy Filippov 2016+
* Version: 2016-04-13
* Version: 2016-05-15
*/
/**
@ -347,8 +347,7 @@ function TreeGridNode(node, grid, level, insertBefore, startHidden)
else
{
collapser.className = this.collapsed ? 'collapser collapser-collapsed' : 'collapser collapser-expanded';
var self = this;
addListener(collapser, 'click', function(e) { self._toggleHandler(); });
addListener(collapser, 'click', this._getToggleHandler());
}
var c0 = this.tr.cells[0];
c0.childNodes.length ? c0.insertBefore(collapser, c0.firstChild) : c0.appendChild(collapser);
@ -370,6 +369,14 @@ function TreeGridNode(node, grid, level, insertBefore, startHidden)
this.children.push(new TreeGridNode(node.children[i], grid, this.level+1, insertBefore, this.collapsed));
}
TreeGridNode.prototype._getToggleHandler = function()
{
var self = this;
if (!self._toggleHandlerClosure)
self._toggleHandlerClosure = function(e) { self._toggleHandler(); };
return self._toggleHandlerClosure;
}
TreeGridNode.prototype._toggleHandler = function()
{
if (!this.grid.onExpand(this))
@ -409,18 +416,27 @@ TreeGridNode.prototype.toggle = function()
TreeGridNode.prototype.setChildren = function(isLeaf, newChildren)
{
this.leaf = isLeaf;
if (!this.tr)
this.grid.tbody.innerHTML = '';
else
{
while (this.tr.nextSibling && this.tr.nextSibling._node.level > this.level)
this.grid.tbody.removeChild(this.tr.nextSibling);
if (this.leaf)
this.tr.cells[0].firstChild.className = 'collapser collapser-inactive';
else
this.tr.cells[0].firstChild.className = this.collapsed ? 'collapser collapser-collapsed' : 'collapser collapser-expanded';
if (this.leaf != isLeaf)
{
if (isLeaf)
{
this.tr.cells[0].firstChild.className = 'collapser collapser-inactive';
removeListener(this.tr.cells[0].firstChild, 'click', this._getToggleHandler());
}
else
{
this.tr.cells[0].firstChild.className = this.collapsed ? 'collapser collapser-collapsed' : 'collapser collapser-expanded';
addListener(this.tr.cells[0].firstChild, 'click', this._getToggleHandler());
}
}
}
this.leaf = isLeaf;
this.children = [];
this.addChildren(newChildren);
}