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hedera-web-mindshore/package/usr/share/hedera-web/js/htk/popup.js

103 lines
2.2 KiB
JavaScript
Executable File

/**
* Class to handle popups.
**/
Htk.Popup = new Class
({
Extends: Htk.Widget
,Tag: 'htk-popup'
,child: null
,parent: null
,initialize: function ()
{
this.createElement ('div');
this.node.className = 'htk-popup';
}
,setChild: function (child)
{
this.setChildNode (child.getNode ());
}
,setChildNode: function (childNode)
{
Vn.Node.removeChilds (this.node);
this.node.appendChild (childNode);
}
,show: function (parent)
{
document.body.appendChild (this.node);
this.node.addEventListener ('mousedown', this.stopEvent);
this.hideHandler = this.hide.bind (this);
document.addEventListener ('mousedown', this.hideHandler);
this.parent = parent;
this.setPosition ();
}
,setPosition: function ()
{
var spacing = 5;
var rect = this.parent.getBoundingClientRect ();
var left = rect.left;
var top = rect.top + spacing + this.parent.offsetHeight;
var width = this.node.offsetWidth;
var height = this.node.offsetHeight;
if (left + width > Vn.Browser.getInnerWidth ())
left -= width - this.parent.offsetWidth;
if (top + height > Vn.Browser.getInnerHeight ())
top -= height + this.parent.offsetHeight + spacing * 2;
if (left < 0)
left = 0;
if (top < 0)
top = 0;
this.node.style.top = (top) +'px';
this.node.style.left = (left) +'px';
}
,showCenter: function ()
{
this.parent = null;
this.background = document.createElement ('div');
this.background.className = 'htk-background';
document.body.appendChild (this.background);
document.body.appendChild (this.node);
var width = this.node.offsetWidth;
var height = this.node.offsetHeight;
this.node.style.top = '50%';
this.node.style.left = '50%';
this.node.style.marginLeft = (-this.node.offsetWidth / 2) +'px';
this.node.style.marginTop = (-this.node.offsetHeight / 2) +'px';
}
,hide: function ()
{
if (this.background)
Vn.Node.remove (this.background);
this.node.removeEventListener ('mousedown', this.stopEvent)
document.removeEventListener ('mousedown', this.hideHandler);
Vn.Node.remove (this.node);
this.parent = null;
this.signalEmit ('closed');
}
,stopEvent: function (event)
{
event.stopPropagation ();
}
});