90 lines
1.6 KiB
JavaScript
90 lines
1.6 KiB
JavaScript
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var Popup = require ('./popup');
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var Spinner = require ('./spinner');
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module.exports = new Class
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({
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Extends: Vn.Object
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,Properties:
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{
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/**
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* Subdirectory where full images are allocated.
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**/
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fullDir:
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{
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type: String
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,set: function (x)
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{
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this._fullDir = x;
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}
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,get: function ()
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{
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return this._fullDir;
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}
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}
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}
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,show: function (src)
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{
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var popup = new Popup ({class: 'htk-full-image', modal: true});
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var img = document.createElement ('img');
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img.className = 'htk-full-image';
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img.addEventListener ('click', this._onImageClick.bind (this, popup));
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//img.addEventListener ('error', this._onImageError.bind (this, popup));
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img.src = src;
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if (!img.complete)
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{
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img.addEventListener ('load', this._onImageLoad.bind (this, popup, img));
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var spinner = new Spinner ();
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spinner.start ();
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popup.child = spinner;
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}
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else
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this._onImageLoad (popup, img);
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popup.open ();
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}
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,_onImageLoad: function (popup, img)
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{
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var scale = null;
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var width = img.width;
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var height = img.height;
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var innerWidth = Vn.Browser.getInnerWidth () - 50;
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var innerHeight = Vn.Browser.getInnerHeight () - 50;
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if (width > innerWidth)
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{
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scale = width / innerWidth;
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height = parseInt (height / scale);
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width = innerWidth;
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}
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if (height > innerHeight)
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{
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scale = height / innerHeight;
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width = parseInt (width / scale);
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height = innerHeight;
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}
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if (scale !== null)
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{
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img.style.width = width +'px';
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img.style.height = height +'px';
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}
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popup.childNode = img;
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popup.reset ();
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}
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,_onImageClick: function (popup)
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{
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popup.hide ();
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}
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,_onImageError: function (popup) {}
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});
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