58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
/**
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* Provides the javascript to help during the uploading of images in
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* Horde_Form.
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*
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* @author Marko Djukic <marko@oblo.com>
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* @copyright 2003-2015 Horde LLC
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* @license LGPL-2.1 (http://www.horde.org/licenses/lgpl21)
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*/
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/**
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* Changes the src of an image target, optionally attaching a time value to the
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* URL to make sure that the image does update and not use the browser cache.
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*
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* @param string src The source to insert into the image element.
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* @param string target The target element.
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* @param optional bool no_cache If set to true will append the time.
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*
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* @return bool False to stop the browser loading anything.
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*/
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function showImage(src, target, no_cache)
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{
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var img = document.getElementById(target), now;
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if (typeof no_cache == 'undefined') {
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no_cache = false;
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}
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if (no_cache) {
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now = new Date();
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src = src + '&' + now.getTime();
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}
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img.src = src;
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return false;
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}
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/**
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* Adds to the given source the height/width field values for the given target.
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*
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* @param string src The source to append the resize params to.
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* @param string target The target element.
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* @param optional bool ratio If set to true will append fix the ratio.
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*
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* @return string The modified source to include the resize data.
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*/
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function getResizeSrc(src, target, ratio)
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{
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var width = document.getElementById('_w_' + target).value,
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height = document.getElementById('_h_' + target).value;
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if (typeof ratio == 'undefined') {
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ratio = 0;
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}
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src = src + '&' + 'v=' + width + '.' + height + '.' + ratio;
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return src;
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}
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