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phorge/webroot/rsrc/js/application/core/DropdownMenu.js
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DropdownMenu.js
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/**
* @requires javelin-install
* javelin-util
* javelin-dom
* javelin-vector
* javelin-stratcom
* phabricator-menu-item
* @provides phabricator-dropdown-menu
* @javelin
*/
JX.install('PhabricatorDropdownMenu', {
construct : function(node) {
this._node = node;
this._items = [];
this._menu = JX.$N('div', { className : 'dropdown-menu-frame' });
JX.DOM.listen(
this._node,
'click',
null,
JX.bind(this, this._onclick));
JX.DOM.listen(
this._menu,
'click',
null,
JX.bind(this, this._onclickitem));
JX.Stratcom.listen(
'mousedown',
null,
JX.bind(this, this._onclickglobal));
JX.PhabricatorDropdownMenu.listen(
'open',
JX.bind(this, this.close));
},
events : ['open'],
members : {
_node : null,
_menu : null,
_open : false,
_items : null,
open : function() {
if (this._open) {
return;
}
this.invoke('open');
var menu_items = [];
for (var ii = 0; ii < this._items.length; ii++) {
menu_items.push(this._items[ii].render());
}
JX.DOM.setContent(this._menu, menu_items);
this._open = true;
this._show();
},
close : function() {
if (!this._open) {
return;
}
this._open = false;
this._hide();
},
addItem : function(item) {
if (__DEV__) {
if (!(item instanceof JX.PhabricatorMenuItem)) {
JX.$E(
'JX.DropdownMenu.addItem(<junk>): ' +
'item must be a JX.PhabricatorMenuItem.');
}
}
this._items.push(item);
return this;
},
_onclick : function(e) {
if (this._open) {
this.close();
} else {
this.open();
}
e.prevent();
},
_onclickitem : function(e) {
var item = JX.Stratcom.getData(e.getTarget()).item;
if (!item) {
return;
}
item.select();
e.prevent();
this.close();
},
_onclickglobal : function(e) {
if (JX.Stratcom.pass(e)) {
return;
}
var t = e.getTarget();
while (t) {
if (t == this._menu || t == this._node) {
return;
}
t = t.parentNode;
}
this.close();
},
_show : function() {
document.body.appendChild(this._menu);
var m = JX.Vector.getDim(this._menu);
JX.$V(this._node)
.add(JX.Vector.getDim(this._node))
.add(JX.$V(-m.x, 0))
.setPos(this._menu);
JX.DOM.alterClass(this._node, 'dropdown-open', true);
},
_hide : function() {
JX.DOM.remove(this._menu);
JX.DOM.alterClass(this._node, 'dropdown-open', false);
}
}
});

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