Imported Upstream version 1.0.0upstream/1.0.0

1 files changed, 360 insertions, 0 deletions

diff --git a/web/lib/ElementQueries.js b/web/lib/ElementQueries.js
new file mode 100755
index 000000000..0c0906e3b
--- /dev/null
+++ b/web/lib/ElementQueries.js
@@ -0,0 +1,360 @@
+/**
+ * Copyright Marc J. Schmidt. See the LICENSE file at the top-level
+ * directory of this distribution and at
+ * https://github.com/marcj/css-element-queries/blob/master/LICENSE.
+ */
+//;
+//(function() {
+    /**
+     *
+     * @type {Function}
+     * @constructor
+     */
+    var ElementQueries = window.ElementQueries = function() {
+
+        this.withTracking = false;
+        var elements = [];
+
+        /**
+         *
+         * @param element
+         * @returns {Number}
+         */
+        function getEmSize(element) {
+            if (!element) {
+                element = document.documentElement;
+            }
+            var fontSize = getComputedStyle(element, 'fontSize');
+            return parseFloat(fontSize) || 16;
+        }
+
+        /**
+         *
+         * @copyright https://github.com/Mr0grog/element-query/blob/master/LICENSE
+         *
+         * @param {HTMLElement} element
+         * @param {*} value
+         * @returns {*}
+         */
+        function convertToPx(element, value) {
+            var units = value.replace(/[0-9]*/, '');
+            value = parseFloat(value);
+            switch (units) {
+                case "px":
+                    return value;
+                case "em":
+                    return value * getEmSize(element);
+                case "rem":
+                    return value * getEmSize();
+                // Viewport units!
+                // According to http://quirksmode.org/mobile/tableViewport.html
+                // documentElement.clientWidth/Height gets us the most reliable info
+                case "vw":
+                    return value * document.documentElement.clientWidth / 100;
+                case "vh":
+                    return value * document.documentElement.clientHeight / 100;
+                case "vmin":
+                case "vmax":
+                    var vw = document.documentElement.clientWidth / 100;
+                    var vh = document.documentElement.clientHeight / 100;
+                    var chooser = Math[units === "vmin" ? "min" : "max"];
+                    return value * chooser(vw, vh);
+                default:
+                    return value;
+                // for now, not supporting physical units (since they are just a set number of px)
+                // or ex/ch (getting accurate measurements is hard)
+            }
+        }
+
+        /**
+         *
+         * @param {HTMLElement} element
+         * @constructor
+         */
+        function SetupInformation(element) {
+            this.element = element;
+            this.options = {};
+            var key, option, width = 0, height = 0, value, actualValue, attrValues, attrValue, attrName;
+
+            /**
+             * @param {Object} option {mode: 'min|max', property: 'width|height', value: '123px'}
+             */
+            this.addOption = function(option) {
+                var idx = [option.mode, option.property, option.value].join(',');
+                this.options[idx] = option;
+            };
+
+            var attributes = ['min-width', 'min-height', 'max-width', 'max-height'];
+
+            /**
+             * Extracts the computed width/height and sets to min/max- attribute.
+             */
+            this.call = function() {
+                // extract current dimensions
+                width = this.element.offsetWidth;
+                height = this.element.offsetHeight;
+
+                attrValues = {};
+
+                for (key in this.options) {
+                    if (!this.options.hasOwnProperty(key)){
+                        continue;
+                    }
+                    option = this.options[key];
+
+                    value = convertToPx(this.element, option.value);
+
+                    actualValue = option.property == 'width' ? width : height;
+                    attrName = option.mode + '-' + option.property;
+                    attrValue = '';
+
+                    if (option.mode == 'min' && actualValue >= value) {
+                        attrValue += option.value;
+                    }
+
+                    if (option.mode == 'max' && actualValue <= value) {
+                        attrValue += option.value;
+                    }
+
+                    if (!attrValues[attrName]) attrValues[attrName] = '';
+                    if (attrValue && -1 === (' '+attrValues[attrName]+' ').indexOf(' ' + attrValue + ' ')) {
+                        attrValues[attrName] += ' ' + attrValue;
+                    }
+                }
+
+                for (var k in attributes) {
+                    if (attrValues[attributes[k]]) {
+                        this.element.setAttribute(attributes[k], attrValues[attributes[k]].substr(1));
+                    } else {
+                        this.element.removeAttribute(attributes[k]);
+                    }
+                }
+            };
+        }
+
+        /**
+         * @param {HTMLElement} element
+         * @param {Object}      options
+         */
+        function setupElement(element, options) {
+            if (element.elementQueriesSetupInformation) {
+                element.elementQueriesSetupInformation.addOption(options);
+            } else {
+                element.elementQueriesSetupInformation = new SetupInformation(element);
+                element.elementQueriesSetupInformation.addOption(options);
+                element.elementQueriesSensor = new ResizeSensor(element, function() {
+                    element.elementQueriesSetupInformation.call();
+                });
+            }
+            element.elementQueriesSetupInformation.call();
+
+            if (ElementQueries.instance.withTracking && elements.indexOf(element) < 0) {
+                elements.push(element);
+            }
+        }
+
+        /**
+         * @param {String} selector
+         * @param {String} mode min|max
+         * @param {String} property width|height
+         * @param {String} value
+         */
+        var allQueries = {};
+        function queueQuery(selector, mode, property, value) {
+            if (typeof(allQueries[mode]) == 'undefined') allQueries[mode] = {};
+            if (typeof(allQueries[mode][property]) == 'undefined') allQueries[mode][property] = {};
+            if (typeof(allQueries[mode][property][value]) == 'undefined') allQueries[mode][property][value] = selector;
+            else allQueries[mode][property][value] += ','+selector;
+        }
+
+        function executeQueries() {
+            var query;
+            if (document.querySelectorAll) query = document.querySelectorAll.bind(document);
+            if (!query && 'undefined' !== typeof $$) query = $$;
+            if (!query && 'undefined' !== typeof jQuery) query = jQuery;
+
+            if (!query) {
+                throw 'No document.querySelectorAll, jQuery or Mootools\'s $$ found.';
+            }
+
+            for (var mode in allQueries) if (allQueries.hasOwnProperty(mode)) {
+              for (var property in allQueries[mode]) if (allQueries[mode].hasOwnProperty(property)) {
+                for (var value in allQueries[mode][property]) if (allQueries[mode][property].hasOwnProperty(value)) {
+                  var elements = query(allQueries[mode][property][value]);
+                  for (var i = 0, j = elements.length; i < j; i++) {
+                    setupElement(elements[i], {
+                      mode: mode,
+                      property: property,
+                      value: value
+                    });
+                  }
+                }
+              }
+            }
+
+        }
+
+        var regex = /,?[\s\t]*([^,\n]*?)((?:\[[\s\t]*?(?:min|max)-(?:width|height)[\s\t]*?[~$\^]?=[\s\t]*?"[^"]*?"[\s\t]*?])+)([^,\n\s\{]*)/mgi;
+        var attrRegex = /\[[\s\t]*?(min|max)-(width|height)[\s\t]*?[~$\^]?=[\s\t]*?"([^"]*?)"[\s\t]*?]/mgi;
+        /**
+         * @param {String} css
+         */
+        function extractQuery(css) {
+            var match;
+            var smatch;
+            css = css.replace(/'/g, '"');
+            while (null !== (match = regex.exec(css))) {
+                smatch = match[1] + match[3];
+                attrs = match[2];
+
+                while (null !== (attrMatch = attrRegex.exec(attrs))) {
+                    queueQuery(smatch, attrMatch[1], attrMatch[2], attrMatch[3]);
+                }
+            }
+        }
+
+        /**
+         * @param {CssRule[]|String} rules
+         */
+        function readRules(rules) {
+            var selector = '';
+            if (!rules) {
+                return;
+            }
+            if ('string' === typeof rules) {
+                rules = rules.toLowerCase();
+                if (-1 !== rules.indexOf('min-width') || -1 !== rules.indexOf('max-width')) {
+                    extractQuery(rules);
+                }
+            } else {
+                for (var i = 0, j = rules.length; i < j; i++) {
+                    if (1 === rules[i].type) {
+                        selector = rules[i].selectorText || rules[i].cssText;
+                        if (-1 !== selector.indexOf('min-height') || -1 !== selector.indexOf('max-height')) {
+                            extractQuery(selector);
+                        }else if(-1 !== selector.indexOf('min-width') || -1 !== selector.indexOf('max-width')) {
+                            extractQuery(selector);
+                        }
+                    } else if (4 === rules[i].type) {
+                        readRules(rules[i].cssRules || rules[i].rules);
+                    }
+                }
+            }
+        }
+
+        /**
+         * Searches all css rules and setups the event listener to all elements with element query rules..
+         *
+         * @param {Boolean} withTracking allows and requires you to use detach, since we store internally all used elements
+         *                               (no garbage collection possible if you don not call .detach() first)
+         */
+        this.init = function(withTracking) {
+            this.withTracking = withTracking;
+            for (var i = 0, j = document.styleSheets.length; i < j; i++) {
+                try {
+                    readRules(document.styleSheets[i].cssRules || document.styleSheets[i].rules || document.styleSheets[i].cssText);
+                } catch(e) {
+                    if (e.name !== 'SecurityError') {
+                        throw e;
+                    }
+                }
+            }
+            executeQueries();
+        };
+
+        /**
+         *
+         * @param {Boolean} withTracking allows and requires you to use detach, since we store internally all used elements
+         *                               (no garbage collection possible if you don not call .detach() first)
+         */
+        this.update = function(withTracking) {
+            this.withTracking = withTracking;
+            this.init();
+        };
+
+        this.detach = function() {
+            if (!this.withTracking) {
+                throw 'withTracking is not enabled. We can not detach elements since we don not store it.' +
+                'Use ElementQueries.withTracking = true; before domready.';
+            }
+
+            var element;
+            while (element = elements.pop()) {
+                ElementQueries.detach(element);
+            }
+
+            elements = [];
+        };
+    };
+
+    /**
+     *
+     * @param {Boolean} withTracking allows and requires you to use detach, since we store internally all used elements
+     *                               (no garbage collection possible if you don not call .detach() first)
+     */
+    ElementQueries.update = function(withTracking) {
+        ElementQueries.instance.update(withTracking);
+    };
+
+    /**
+     * Removes all sensor and elementquery information from the element.
+     *
+     * @param {HTMLElement} element
+     */
+    ElementQueries.detach = function(element) {
+        if (element.elementQueriesSetupInformation) {
+            element.elementQueriesSensor.detach();
+            delete element.elementQueriesSetupInformation;
+            delete element.elementQueriesSensor;
+            console.log('detached');
+        } else {
+            console.log('detached already', element);
+        }
+    };
+
+    ElementQueries.withTracking = false;
+
+    ElementQueries.init = function() {
+        if (!ElementQueries.instance) {
+            ElementQueries.instance = new ElementQueries();
+        }
+
+        ElementQueries.instance.init(ElementQueries.withTracking);
+    };
+
+    var domLoaded = function (callback) {
+        /* Internet Explorer */
+        /*@cc_on
+        @if (@_win32 || @_win64)
+            document.write('<script id="ieScriptLoad" defer src="//:"><\/script>');
+            document.getElementById('ieScriptLoad').onreadystatechange = function() {
+                if (this.readyState == 'complete') {
+                    callback();
+                }
+            };
+        @end @*/
+        /* Mozilla, Chrome, Opera */
+        if (document.addEventListener) {
+            document.addEventListener('DOMContentLoaded', callback, false);
+        }
+        /* Safari, iCab, Konqueror */
+        else if (/KHTML|WebKit|iCab/i.test(navigator.userAgent)) {
+            var DOMLoadTimer = setInterval(function () {
+                if (/loaded|complete/i.test(document.readyState)) {
+                    callback();
+                    clearInterval(DOMLoadTimer);
+                }
+            }, 10);
+        }
+        /* Other web browsers */
+        else window.onload = callback;
+    };
+
+//    if (window.addEventListener) {
+//        window.addEventListener('load', ElementQueries.init, false);
+//    } else {
+//        window.attachEvent('onload', ElementQueries.init);
+//    }
+//    domLoaded(ElementQueries.init);
+
+//})();