Adds demo.
Lars Jung
12 years ago
parent
00b874bcc3
commit
6ed920464a
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/*
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html5slider - a JS implementation of <input type=range> for Firefox 16 and up
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https://github.com/fryn/html5slider
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Copyright (c) 2010-2013 Frank Yan, <http://frankyan.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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(function() {
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// test for native support
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var test = document.createElement('input');
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try {
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test.type = 'range';
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if (test.type == 'range')
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return;
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} catch (e) {
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return;
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}
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// test for required property support
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test.style.background = 'linear-gradient(red, red)';
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if (!test.style.backgroundImage || !('MozAppearance' in test.style))
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return;
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var scale;
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var isMac = navigator.platform == 'MacIntel';
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var thumb = {
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radius: isMac ? 9 : 6,
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width: isMac ? 22 : 12,
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height: isMac ? 16 : 20
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};
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var track = 'linear-gradient(transparent ' + (isMac ?
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'6px, #999 6px, #999 7px, #ccc 8px, #bbb 9px, #bbb 10px, transparent 10px' :
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'9px, #999 9px, #bbb 10px, #fff 11px, transparent 11px') +
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', transparent)';
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var styles = {
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'min-width': thumb.width + 'px',
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'min-height': thumb.height + 'px',
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'max-height': thumb.height + 'px',
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padding: '0 0 ' + (isMac ? '2px' : '1px'),
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border: 0,
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'border-radius': 0,
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cursor: 'default',
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'text-indent': '-999999px' // -moz-user-select: none; breaks mouse capture
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};
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var options = {
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attributes: true,
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attributeFilter: ['min', 'max', 'step', 'value']
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};
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var onInput = document.createEvent('HTMLEvents');
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onInput.initEvent('input', true, false);
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var onChange = document.createEvent('HTMLEvents');
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onChange.initEvent('change', true, false);
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if (document.readyState == 'loading')
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document.addEventListener('DOMContentLoaded', initialize, true);
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else
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initialize();
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addEventListener('pageshow', recreate, true);
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function initialize() {
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// create initial sliders
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recreate();
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// create sliders on-the-fly
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new MutationObserver(function(mutations) {
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mutations.forEach(function(mutation) {
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if (mutation.addedNodes)
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Array.forEach(mutation.addedNodes, function(node) {
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if (!(node instanceof Element))
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;
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else if (node.childElementCount)
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Array.forEach(node.querySelectorAll('input[type=range]'), check);
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else if (node.mozMatchesSelector('input[type=range]'))
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check(node);
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});
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});
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}).observe(document, { childList: true, subtree: true });
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}
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function recreate() {
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Array.forEach(document.querySelectorAll('input[type=range]'), check);
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}
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function check(input) {
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if (input.type != 'range')
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transform(input);
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}
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function transform(slider) {
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var isValueSet, areAttrsSet, isUI, isClick, prevValue, rawValue, prevX;
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var min, max, step, range, value = slider.value;
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// lazily create shared slider affordance
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if (!scale) {
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scale = document.body.appendChild(document.createElement('hr'));
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style(scale, {
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'-moz-appearance': isMac ? 'scale-horizontal' : 'scalethumb-horizontal',
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display: 'block',
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visibility: 'visible',
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opacity: 1,
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position: 'fixed',
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top: '-999999px'
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});
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document.mozSetImageElement('__sliderthumb__', scale);
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}
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// reimplement value and type properties
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var getValue = function() { return '' + value; };
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var setValue = function setValue(val) {
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value = '' + val;
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isValueSet = true;
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draw();
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delete slider.value;
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slider.value = value;
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slider.__defineGetter__('value', getValue);
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slider.__defineSetter__('value', setValue);
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};
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slider.__defineGetter__('value', getValue);
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slider.__defineSetter__('value', setValue);
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Object.defineProperty(slider, 'type', {
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get: function() { return 'range'; }
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});
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// sync properties with attributes
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['min', 'max', 'step'].forEach(function(name) {
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if (slider.hasAttribute(name))
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areAttrsSet = true;
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Object.defineProperty(slider, name, {
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get: function() {
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return this.hasAttribute(name) ? this.getAttribute(name) : '';
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},
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set: function(val) {
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val === null ?
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this.removeAttribute(name) :
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this.setAttribute(name, val);
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}
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});
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});
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// initialize slider
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slider.readOnly = true;
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style(slider, styles);
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update();
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new MutationObserver(function(mutations) {
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mutations.forEach(function(mutation) {
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if (mutation.attributeName != 'value') {
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update();
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areAttrsSet = true;
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}
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// note that value attribute only sets initial value
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else if (!isValueSet) {
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value = slider.getAttribute('value');
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draw();
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}
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});
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}).observe(slider, options);
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slider.addEventListener('mousedown', onDragStart, true);
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slider.addEventListener('keydown', onKeyDown, true);
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slider.addEventListener('focus', onFocus, true);
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slider.addEventListener('blur', onBlur, true);
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function onDragStart(e) {
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isClick = true;
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setTimeout(function() { isClick = false; }, 0);
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if (e.button || !range)
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return;
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var width = parseFloat(getComputedStyle(this).width);
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var multiplier = (width - thumb.width) / range;
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if (!multiplier)
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return;
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// distance between click and center of thumb
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var dev = e.clientX - this.getBoundingClientRect().left - thumb.width / 2 -
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(value - min) * multiplier;
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// if click was not on thumb, move thumb to click location
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if (Math.abs(dev) > thumb.radius) {
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isUI = true;
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this.value -= -dev / multiplier;
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}
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rawValue = value;
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prevX = e.clientX;
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this.addEventListener('mousemove', onDrag, true);
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this.addEventListener('mouseup', onDragEnd, true);
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}
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function onDrag(e) {
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var width = parseFloat(getComputedStyle(this).width);
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var multiplier = (width - thumb.width) / range;
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if (!multiplier)
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return;
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rawValue += (e.clientX - prevX) / multiplier;
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prevX = e.clientX;
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isUI = true;
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this.value = rawValue;
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}
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function onDragEnd() {
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this.removeEventListener('mousemove', onDrag, true);
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this.removeEventListener('mouseup', onDragEnd, true);
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slider.dispatchEvent(onInput);
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slider.dispatchEvent(onChange);
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}
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function onKeyDown(e) {
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if (e.keyCode > 36 && e.keyCode < 41) { // 37-40: left, up, right, down
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onFocus.call(this);
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isUI = true;
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this.value = value + (e.keyCode == 38 || e.keyCode == 39 ? step : -step);
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}
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}
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function onFocus() {
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if (!isClick)
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this.style.boxShadow = !isMac ? '0 0 0 2px #fb0' :
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'inset 0 0 20px rgba(0,127,255,.1), 0 0 1px rgba(0,127,255,.4)';
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}
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function onBlur() {
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this.style.boxShadow = '';
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}
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// determines whether value is valid number in attribute form
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function isAttrNum(value) {
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return !isNaN(value) && +value == parseFloat(value);
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}
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// validates min, max, and step attributes and redraws
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function update() {
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min = isAttrNum(slider.min) ? +slider.min : 0;
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max = isAttrNum(slider.max) ? +slider.max : 100;
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if (max < min)
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max = min > 100 ? min : 100;
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step = isAttrNum(slider.step) && slider.step > 0 ? +slider.step : 1;
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range = max - min;
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draw(true);
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}
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// recalculates value property
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function calc() {
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if (!isValueSet && !areAttrsSet)
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value = slider.getAttribute('value');
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if (!isAttrNum(value))
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value = (min + max) / 2;;
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// snap to step intervals (WebKit sometimes does not - bug?)
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value = Math.round((value - min) / step) * step + min;
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if (value < min)
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value = min;
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else if (value > max)
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value = min + ~~(range / step) * step;
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}
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// renders slider using CSS background ;)
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function draw(attrsModified) {
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calc();
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var wasUI = isUI;
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isUI = false;
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if (wasUI && value != prevValue)
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slider.dispatchEvent(onInput);
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if (!attrsModified && value == prevValue)
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return;
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prevValue = value;
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var position = range ? (value - min) / range * 100 : 0;
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var bg = '-moz-element(#__sliderthumb__) ' + position + '% no-repeat, ';
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style(slider, { background: bg + track });
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}
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}
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function style(element, styles) {
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for (var prop in styles)
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element.style.setProperty(prop, styles[prop], 'important');
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}
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})();
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<!DOCTYPE html>
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<html class="no-js no-browser" lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
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<title>{{pkg.displayName}} {{pkg.version}} · Demo</title>
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<meta name="description" content="demo for the jQuery plug in jQuery.qrcode (http://larsjung.de/qrcode/)">
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<meta name="author" content="Lars Jung">
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<meta name="viewport" content="width=device-width">
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<link rel="author" href="http://plus.google.com/106403733398479106535">
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<link rel="shortcut icon" href="icon-16.ico">
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<link rel="apple-touch-icon" href="icon-48.png" type="image/png">
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<link href='http://fonts.googleapis.com/css?family=Ubuntu:400,700' rel='stylesheet'>
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<link href='styles.css' rel='stylesheet'>
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<script src="jquery-1.10.2.js"></script>
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<script src="jquery.qrcode.js"></script>
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<script src="ff-range.js"></script>
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<script src="scripts.js"></script>
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</head>
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<body>
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<div id="container"></div>
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<div class="control left">
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<a id="banner" href="http://larsjung.de/qrcode/">{{pkg.displayName}} · Demo</a>
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<hr/>
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<label for="render">RENDER MODE</label>
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<select id="render">
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<option value="canvas" selected="selected">Canvas</option>
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<option value="image">Image</option>
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<option value="div">DIV</option>
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</select>
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<hr/>
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<label for="size">SIZE:</label>
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<input id="size" type="range" value="400" min="100" max="1000" step="50" />
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<label for="color">COLOR</label>
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<input id="color" type="color" value="#333333" />
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<label for="bg-color">BACKGROUND COLOR</label>
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<input id="bg-color" type="color" value="#ffffff" />
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<label for="text">CONTENT</label>
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<textarea id="text">http://larsjung.de/qrcode/</textarea>
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<hr/>
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<label for="minversion">MINVERSION:</label>
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<input id="minversion" type="range" value="5" min="1" max="10" step="1" />
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<label for="eclevel">ERROR CORRECTION LEVEL</label>
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<select id="eclevel">
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<option value="L">L - Low (7%)</option>
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<option value="M">M - Medium (15%)</option>
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<option value="Q">Q - Quartile (25%)</option>
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<option value="H" selected="selected">H - High (30%)</option>
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</select>
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<label for="quiet">QUIET ZONE:</label>
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<input id="quiet" type="range" value="1" min="0" max="4" step="1" />
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<label for="radius">CORNER RADIUS (not in Opera):</label>
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<input id="radius" type="range" value="50" min="0" max="50" step="10" />
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<hr/>
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<a id="download" download="qrcode.png">DOWNLOAD</a>
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</div>
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<div class="control right">
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<label for="mode">MODE</label>
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<select id="mode">
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<option value="0">0 - Normal</option>
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<option value="1">1 - Label-Strip</option>
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<option value="2" selected="selected">2 - Label-Box</option>
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<option value="3">3 - Image-Strip</option>
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<option value="4">4 - Image-Box</option>
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</select>
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<hr/>
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<label for="label">LABEL</label>
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<input id="label" type="text" value="jQuery.qrcode" />
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<label for="font">FONT</label>
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<input id="font" type="text" value="Ubuntu" />
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<label for="fontsize">FONT HEIGHT:</label>
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<input id="fontsize" type="range" value="11" min="1" max="20" step="1" />
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<label for="fontcolor">FONT COLOR:</label>
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<input id="fontcolor" type="color" value="#ff9818" />
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<hr/>
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<label for="image">IMAGE</label>
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<input id="image" type="file" />
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<label for="imagesize">IMAGE HEIGHT:</label>
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<input id="imagesize" type="range" value="13" min="1" max="30" step="1" />
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</div>
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<img id="img-buffer" src="dummy.png" />
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</body>
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</html>
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File diff suppressed because it is too large
Load Diff
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var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]',
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guiValuePairs = [
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["size", "px"],
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["minversion", ""],
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["quiet", "modules"],
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["radius", "%"],
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["fontsize", "%"],
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["imagesize", "%"]
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],
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updateGui = function () {
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for (var idx in guiValuePairs) {
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var pair = guiValuePairs[idx],
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$label = $('label[for="' + pair[0] + '"]');
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$label.text($label.text().replace(/:.*/, ': ' + $('#' + pair[0]).val() + pair[1]));
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}
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},
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updateQrCode = function () {
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var mode = parseInt($("#mode").val(), 10),
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options = {
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render: $("#render").val(),
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ecLevel: $("#eclevel").val(),
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minVersion: parseInt($("#minversion").val(), 10),
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color: $("#color").val(),
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bgColor: $("#bg-color").val(),
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text: $("#text").val(),
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size: parseInt($("#size").val(), 10),
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radius: parseInt($("#radius").val(), 10) * 0.01,
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quiet: parseInt($("#quiet").val(), 10),
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label: $("#label").val(),
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labelsize: parseInt($("#fontsize").val(), 10) * 0.01,
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fontname: $("#font").val(),
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fontcolor: $("#fontcolor").val(),
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image: $("#img-buffer")[0],
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imagesize: parseInt($("#imagesize").val(), 10) * 0.01
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};
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if (mode === 1 || mode === 2) {
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options.ext = 'label';
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options.boxed = mode === 2;
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} else if (mode === 3 || mode === 4) {
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options.ext = 'image';
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options.boxed = mode === 4;
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}
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$("#container").empty().qrcode(options);
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},
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update = function () {
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updateGui();
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updateQrCode();
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},
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onImageInput = function () {
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var input = $("#image")[0];
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if (input.files && input.files[0]) {
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var reader = new FileReader();
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reader.onload = function (event) {
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$("#img-buffer").attr("src", event.target.result);
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$("#mode").val("4");
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setTimeout(update, 250);
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};
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reader.readAsDataURL(input.files[0]);
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}
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},
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download = function (event) {
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var data = $("#container canvas")[0].toDataURL('image/png');
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$("#download").attr("href", data);
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};
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||||
|
||||
$(function () {
|
||||
|
||||
if (isOpera) {
|
||||
$('html').addClass('opera');
|
||||
$('#radius').prop('disabled', true);
|
||||
}
|
||||
|
||||
$("#download").on("click", download);
|
||||
$("#image").on('change', onImageInput);
|
||||
$("input, textarea, select").on("input change", update);
|
||||
$(window).load(update);
|
||||
update();
|
||||
});
|
||||
@ -0,0 +1,115 @@
|
||||
|
||||
body {
|
||||
font-family: Ubuntu;
|
||||
margin: 0;
|
||||
padding: 0;
|
||||
text-align: center;
|
||||
background: repeat url("back.png");
|
||||
}
|
||||
|
||||
#banner {
|
||||
display: block;
|
||||
text-decoration: none;
|
||||
color: rgb(29, 119, 194);
|
||||
padding: 12px 0 0;
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
#banner:hover {
|
||||
color: #333;
|
||||
}
|
||||
|
||||
#container {
|
||||
display: inline-block;
|
||||
margin: 20px auto;
|
||||
box-shadow: 0 0 16px rgba(0,0,0,0.5);
|
||||
}
|
||||
|
||||
#container > * {
|
||||
display: block;
|
||||
}
|
||||
|
||||
.control {
|
||||
position: absolute;
|
||||
background-color: #f8f8f8;
|
||||
top: 0;
|
||||
width: 190px;
|
||||
box-shadow: 0 0 32px rgba(0,0,0,0.5);
|
||||
overflow: hidden;
|
||||
text-align: left;
|
||||
}
|
||||
|
||||
.control.left {
|
||||
left: 0;
|
||||
}
|
||||
|
||||
.control.right {
|
||||
right: 0;
|
||||
}
|
||||
|
||||
hr {
|
||||
margin: 12px 0 0;
|
||||
padding: 0;
|
||||
border: none;
|
||||
height: 1px;
|
||||
background-color: rgba(0,0,0,0.1);
|
||||
}
|
||||
|
||||
label {
|
||||
font-size: 10px;
|
||||
color: #bbb;
|
||||
padding: 12px 4px 0 4px;
|
||||
}
|
||||
|
||||
html.opera label[for="radius"] {
|
||||
color: #e55;
|
||||
}
|
||||
|
||||
#download {
|
||||
text-align: center;
|
||||
font-weight: bold;
|
||||
text-decoration: none;
|
||||
display: block;
|
||||
color: #555;
|
||||
background-color: #ddd;
|
||||
margin: 4px;
|
||||
padding: 8px 0;
|
||||
border: 1px solid #ddd;
|
||||
cursor: pointer;
|
||||
}
|
||||
|
||||
input, textarea, select {
|
||||
font-family: Ubuntu;
|
||||
display: block;
|
||||
background-color: #fff;
|
||||
margin: 2px;
|
||||
padding: 0 2px;
|
||||
border: 1px solid #ddd;
|
||||
width: 180px;
|
||||
height: 22px;
|
||||
}
|
||||
|
||||
#text {
|
||||
height: 48px;
|
||||
}
|
||||
|
||||
#img-buffer {
|
||||
display: none;
|
||||
}
|
||||
|
||||
|
||||
|
||||
input[type="range"] {
|
||||
-webkit-appearance: none;
|
||||
/* height: 8px;
|
||||
margin-top: 4px;
|
||||
margin-bottom: 4px;
|
||||
*/ cursor: pointer;
|
||||
}
|
||||
input::-webkit-slider-thumb {
|
||||
-webkit-appearance: none;
|
||||
width: 16px;
|
||||
height: 16px;
|
||||
border-radius: 3px;
|
||||
background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #aaa), color-stop(1, #aaa) );
|
||||
}
|
||||
Loading…
Reference in New Issue