forked from verdnatura/hedera-web
118 lines
2.3 KiB
JavaScript
118 lines
2.3 KiB
JavaScript
/**
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* Class to show toast messages.
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**/
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Htk.Toast =
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{
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maxMessages: 6
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,timeout: 10 /* Seconds */
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,_container: null
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,_timeouts: null
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/**
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* Shows a normal toast message.
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*
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* @param String message The message text
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**/
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,showMessage: function (message)
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{
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this._showText (message, 'message');
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}
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/**
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* Shows a warning toast message.
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*
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* @param String message The message text
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**/
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,showWarning: function (message)
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{
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this._showText (message, 'warning');
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}
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/**
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* Shows an error toast message.
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*
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* @param String message The message text
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**/
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,showError: function (message)
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{
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this._showText (message, 'error');
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}
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/**
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* Hides all currently displayed toast messages.
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**/
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,hide: function ()
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{
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if (!this._container)
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return;
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if (this._timeouts)
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for (var i = 0; i < this._timeouts.length; i++)
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clearTimeout (this._timeouts[i]);
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this._timeouts = null;
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document.removeEventListener ('mousedown', this.hideHandler);
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Vn.Node.remove (this._container);
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this._container = null;
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this.nodes = [];
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}
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,_createContainer: function ()
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{
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if (this._container)
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return;
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var container = document.createElement ('div');
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container.className = 'htk-toast';
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document.body.appendChild (container);
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this.hideHandler = this.hide.bind (this);
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document.addEventListener ('mousedown', this.hideHandler);
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this._timeouts = [];
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this._container = container;
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}
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,_showText: function (message, className)
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{
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this._createContainer ();
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if (this._timeouts.length >= this.maxMessages)
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this._onMessageTimeout ();
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var node = document.createElement ('div');
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node.className = className;
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node.addEventListener ('mousedown', this._onMessageMouseDown);
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var textNode = document.createTextNode (message);
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node.appendChild (textNode);
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this._container.appendChild (node);
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var timeoutId = setTimeout (this._onMessageTimeout.bind (this), this.timeout * 1000);
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this._timeouts.push (timeoutId);
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}
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,_onMessageTimeout: function ()
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{
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if (!this._container)
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return;
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var nodes = this._container.childNodes;
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if (nodes.length > 0)
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{
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clearTimeout (this._timeouts.shift ());
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Vn.Node.remove (nodes[0]);
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}
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if (nodes.length == 0)
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this.hide ();
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}
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,_onMessageMouseDown: function (event)
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{
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event.stopPropagation ();
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}
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};
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