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ckanext/visualize/fanstatic/js/modules/visualize-input-color-picker.js
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| /* This CKAN module integrates the Internet Explorer polyfill for <input type="color">. */ | ||
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| ckan.module('visualize-input-color-picker', function($) { | ||
| return { | ||
| initialize: function() { | ||
| window.nativeColorPicker.init(this.el.attr('id')); | ||
| } | ||
| }; | ||
| }); |
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ckanext/visualize/fanstatic/js/vendor/native-color-picker.js
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| // Internet Explorer polyfill for <input type="color"> | ||
| // https://github.com/dciccale/nativeColorPicker | ||
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| (function(window) { | ||
| var document = window.document, | ||
| nativeColorPicker = { | ||
| // initialized flag | ||
| started: false, | ||
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| // start color | ||
| color: '#000000', | ||
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| // inputs where plugin was initialized | ||
| inputs: {}, | ||
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| // flag to know if color input is supported | ||
| hasNativeColorSupport: false, | ||
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| // inits the plugin on specified input | ||
| init: function(inputId) { | ||
| // start the plugin | ||
| this.start(); | ||
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| if (this.hasNativeColorSupport) { | ||
| return; | ||
| } | ||
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| if (typeof inputId !== 'string') { | ||
| throw 'inputId have to be a string id selector'; | ||
| } | ||
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| // set the input | ||
| this.input = | ||
| (this.inputs[inputId] = this.inputs[inputId]) || | ||
| document.getElementById(inputId); | ||
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| if (!this.input) { | ||
| throw 'There was no input found with id: "' + inputId + '"'; | ||
| } | ||
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| // input defaults | ||
| this.input.value = this.color; | ||
| this.input.unselectable = 'on'; | ||
| this.css(this.input, { | ||
| backgroundColor: this.color, | ||
| borderWidth: '0.4em 0.3em', | ||
| width: '3em', | ||
| cursor: 'default' | ||
| }); | ||
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| // register input event | ||
| this.input.onfocus = function() { | ||
| nativeColorPicker.onFocus(this.id); | ||
| }; | ||
| }, | ||
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| // initialize once | ||
| start: function() { | ||
| // is already started | ||
| if (this.started) { | ||
| return; | ||
| } | ||
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| // test if browser has native support for color input | ||
| try { | ||
| this.hasNativeColorSupport = !!(document.createElement('input').type = | ||
| 'color'); | ||
| } catch (e) {} | ||
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| // no native support... | ||
| if (!this.hasNativeColorSupport) { | ||
| // create object element | ||
| var object_element = document.createElement('object'); | ||
| object_element.classid = 'clsid:3050f819-98b5-11cf-bb82-00aa00bdce0b'; | ||
| // set attributes | ||
| object_element.id = 'colorHelperObj'; | ||
| this.css(object_element, { | ||
| width: '0', | ||
| height: '0' | ||
| }); | ||
| document.body.appendChild(object_element); | ||
| } | ||
| // mark as started | ||
| this.started = true; | ||
| }, | ||
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| // destroys the plugin | ||
| destroy: function(inputId) { | ||
| var i; | ||
| // destroy one input or all the plugin if no input id | ||
| if (typeof inputId === 'string') { | ||
| this.off(this.inputs[inputId]); | ||
| } else { | ||
| // remove helper object | ||
| document.body.removeChild(document.getElementById('colorHelperObj')); | ||
| // remove input events and styles | ||
| for (i in this.inputs) { | ||
| this.off(this.inputs[i]); | ||
| } | ||
| // mark not started | ||
| this.started = false; | ||
| } | ||
| }, | ||
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| off: function(input) { | ||
| input.onfocus = null; | ||
| this.css(input, { | ||
| backgroundColor: '', | ||
| borderWidth: '', | ||
| width: '', | ||
| cursor: '' | ||
| }); | ||
| }, | ||
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| // input focus function | ||
| onFocus: function(inputId) { | ||
| this.input = this.inputs[inputId]; | ||
| this.color = this.getColor(); | ||
| this.input.value = this.color; | ||
| nativeColorPicker.css(this.input, { | ||
| backgroundColor: this.color, | ||
| color: this.color | ||
| }); | ||
| this.input.blur(); | ||
| }, | ||
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| // gets the color from the object | ||
| // and normalize it | ||
| getColor: function() { | ||
| // get decimal color, (passing the previous one) | ||
| // and change to hex | ||
| var hex = colorHelperObj | ||
| .ChooseColorDlg(this.color.replace(/#/, '')) | ||
| .toString(16); | ||
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| // add extra zeroes if hex number is less than 6 digits | ||
| if (hex.length < 6) { | ||
| var tmpstr = '000000'.substring(0, 6 - hex.length); | ||
| hex = tmpstr.concat(hex); | ||
| } | ||
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| return '#' + hex; | ||
| }, | ||
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| // set css properties | ||
| css: function(el, props) { | ||
| for (var prop in props) { | ||
| el.style[prop] = props[prop]; | ||
| } | ||
| } | ||
| }; | ||
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| // expose to global | ||
| window.nativeColorPicker = nativeColorPicker; | ||
| })(window); |
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