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