{"version":3,"file":"drawer.min.js","sources":["https:\/\/lms.pes.edu\/theme\/alpha\/amd\/src\/drawer.js"],"sourcesContent":["\/\/ This file is part of Moodle - http:\/\/moodle.org\/\n\/\/\n\/\/ Moodle is free software: you can redistribute it and\/or modify\n\/\/ it under the terms of the GNU General Public License as published by\n\/\/ the Free Software Foundation, either version 3 of the License, or\n\/\/ (at your option) any later version.\n\/\/\n\/\/ Moodle is distributed in the hope that it will be useful,\n\/\/ but WITHOUT ANY WARRANTY; without even the implied warranty of\n\/\/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n\/\/ GNU General Public License for more details.\n\/\/\n\/\/ You should have received a copy of the GNU General Public License\n\/\/ along with Moodle.  If not, see <http:\/\/www.gnu.org\/licenses\/>.\n\n\/**\n * Contain the logic for a drawer.\n *\n * @module theme_alpha\/drawer\n * @copyright  2016 Damyon Wiese\n * @license    http:\/\/www.gnu.org\/copyleft\/gpl.html GNU GPL v3 or later\n *\/\ndefine(['jquery', 'core\/custom_interaction_events', 'core\/log', 'core\/pubsub', 'core\/aria'],\n     function($, CustomEvents, Log, PubSub, Aria) {\n\n    var SELECTORS = {\n        TOGGLE_REGION: '[data-region=\"drawer-toggle\"]',\n        TOGGLE_ACTION: '[data-action=\"toggle-drawer\"]',\n        TOGGLE_TARGET: 'aria-controls',\n        TOGGLE_SIDE: 'left',\n        BODY: 'body',\n        SECTION: '.list-group-item[href*=\"#section-\"]',\n        DRAWER: '#nav-drawer'\n    };\n\n    var small = $(document).width() < 768;\n\n    \/**\n     * Constructor for the Drawer.\n     *\/\n    var Drawer = function() {\n\n        if (!$(SELECTORS.TOGGLE_REGION).length) {\n            Log.debug('Page is missing a drawer region');\n        }\n        if (!$(SELECTORS.TOGGLE_ACTION).length) {\n            Log.debug('Page is missing a drawer toggle link');\n        }\n        $(SELECTORS.TOGGLE_REGION).each(function(index, ele) {\n            var trigger = $(ele).find(SELECTORS.TOGGLE_ACTION);\n            var drawerid = trigger.attr('aria-controls');\n            var drawer = $(document.getElementById(drawerid));\n            var hidden = trigger.attr('aria-expanded') == 'false';\n            var side = trigger.attr('data-side');\n            var body = $(SELECTORS.BODY);\n            var preference = trigger.attr('data-preference');\n            if (small) {\n                M.util.set_user_preference(preference, 'false');\n            }\n\n            \/\/drawer.on('mousewheel DOMMouseScroll', this.preventPageScroll);\n\n            if (!hidden) {\n                body.addClass('drawer-open-' + side);\n                trigger.attr('aria-expanded', 'true');\n            } else {\n                trigger.attr('aria-expanded', 'false');\n            }\n        }.bind(this));\n\n        this.registerEventListeners();\n        if (small) {\n            this.closeAll();\n        }\n    };\n\n    Drawer.prototype.closeAll = function() {\n        $(SELECTORS.TOGGLE_REGION).each(function(index, ele) {\n            var trigger = $(ele).find(SELECTORS.TOGGLE_ACTION);\n            var side = trigger.attr('data-side');\n            var body = $(SELECTORS.BODY);\n            var drawerid = trigger.attr('aria-controls');\n            var drawer = $(document.getElementById(drawerid));\n            var preference = trigger.attr('data-preference');\n\n            trigger.attr('aria-expanded', 'false');\n            body.removeClass('drawer-open-' + side);\n            Aria.hide(drawer.get());\n            drawer.addClass('closed');\n            if (!small) {\n                M.util.set_user_preference(preference, 'false');\n            }\n        });\n    };\n\n    \/**\n     * Open \/ close the blocks drawer.\n     *\n     * @method toggleDrawer\n     * @param {Event} e\n     *\/\n    Drawer.prototype.toggleDrawer = function(e) {\n        var trigger = $(e.target).closest('[data-action=toggle-drawer]');\n        var drawerid = trigger.attr('aria-controls');\n        var drawer = $(document.getElementById(drawerid));\n        var body = $(SELECTORS.BODY);\n        var side = trigger.attr('data-side');\n        var preference = trigger.attr('data-preference');\n        if (small) {\n            M.util.set_user_preference(preference, 'false');\n        }\n\n        body.addClass('drawer-ease');\n        var open = trigger.attr('aria-expanded') == 'true';\n        if (!open) {\n            \/\/ Open.\n            trigger.attr('aria-expanded', 'true');\n            Aria.unhide(drawer.get());\n            drawer.focus();\n            body.addClass('drawer-open-' + side);\n            drawer.removeClass('closed');\n            if (!small) {\n                M.util.set_user_preference(preference, 'true');\n            }\n        } else {\n            \/\/ Close.\n            body.removeClass('drawer-open-' + side);\n            trigger.attr('aria-expanded', 'false');\n            drawer.addClass('closed').delay(500).queue(function() {\n                \/\/ Ensure that during the delay, the drawer wasn't re-opened.\n                if ($(this).hasClass('closed')) {\n                    Aria.hide(this);\n                }\n                $(this).dequeue();\n            });\n            if (!small) {\n                M.util.set_user_preference(preference, 'false');\n            }\n        }\n\n        \/\/ Publish an event to tell everything that the drawer has been toggled.\n        \/\/ The drawer transitions closed so another event will fire once teh transition\n        \/\/ has completed.\n        PubSub.publish('nav-drawer-toggle-start', open);\n    };\n\n    \/**\n     * Prevent the page from scrolling when the drawer is at max scroll.\n     *\n     * @method preventPageScroll\n     * @param  {Event} e\n     *\/\n    Drawer.prototype.preventPageScroll = function(e) {\n        var delta = e.wheelDelta || (e.originalEvent && e.originalEvent.wheelDelta) || -e.originalEvent.detail,\n            bottomOverflow = (this.scrollTop + $(this).outerHeight() - this.scrollHeight) >= 0,\n            topOverflow = this.scrollTop <= 0;\n\n        if ((delta < 0 && bottomOverflow) || (delta > 0 && topOverflow)) {\n            e.preventDefault();\n        }\n    };\n\n    \/**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     *\/\n    Drawer.prototype.registerEventListeners = function() {\n\n        $(SELECTORS.TOGGLE_ACTION).each(function(index, element) {\n            CustomEvents.define($(element), [CustomEvents.events.activate]);\n            $(element).on(CustomEvents.events.activate, function(e, data) {\n                this.toggleDrawer(data.originalEvent);\n                data.originalEvent.preventDefault();\n            }.bind(this));\n        }.bind(this));\n\n        $(SELECTORS.SECTION).click(function() {\n            if (small) {\n                this.closeAll();\n            }\n        }.bind(this));\n\n        \/\/ Publish an event to tell everything that the drawer completed the transition\n        \/\/ to either an open or closed state.\n        $(SELECTORS.DRAWER).on('webkitTransitionEnd msTransitionEnd transitionend', function(e) {\n            var drawer = $(e.target).closest(SELECTORS.DRAWER);\n            \/\/ Note: aria-hidden is either present, or absent. It should not be set to false.\n            var open = !!drawer.attr('aria-hidden');\n            PubSub.publish('nav-drawer-toggle-end', open);\n        });\n    };\n\n    return {\n        'init': function() {\n            return new Drawer();\n        }\n    };\n});\n"],"names":["define","$","CustomEvents","Log","PubSub","Aria","SELECTORS","small","document","width","Drawer","length","debug","each","index","ele","trigger","find","drawerid","attr","hidden","getElementById","side","body","preference","M","util","set_user_preference","addClass","bind","this","registerEventListeners","closeAll","prototype","drawer","removeClass","hide","get","toggleDrawer","e","target","closest","open","delay","queue","hasClass","dequeue","unhide","focus","publish","preventPageScroll","delta","wheelDelta","originalEvent","detail","bottomOverflow","scrollTop","outerHeight","scrollHeight","topOverflow","preventDefault","element","events","activate","on","data","click","init"],"mappings":";;;;;;;AAsBAA,4BAAO,CAAC,SAAU,iCAAkC,WAAY,cAAe,cAC1E,SAASC,EAAGC,aAAcC,IAAKC,OAAQC,MAExC,IAAIC,wBACe,gCADfA,wBAEe,gCAFfA,eAKM,OALNA,kBAMS,sCANTA,iBAOQ,cAGRC,MAAQN,EAAEO,UAAUC,QAAU,IAK9BC,OAAS,WAEJT,EAAEK,yBAAyBK,QAC5BR,IAAIS,MAAM,mCAETX,EAAEK,yBAAyBK,QAC5BR,IAAIS,MAAM,wCAEdX,EAAEK,yBAAyBO,KAAK,SAASC,MAAOC,KAC5C,IAAIC,QAAUf,EAAEc,KAAKE,KAAKX,yBACtBY,SAAWF,QAAQG,KAAK,iBAExBC,QADSnB,EAAEO,SAASa,eAAeH,WACO,SAAjCF,QAAQG,KAAK,kBACtBG,KAAON,QAAQG,KAAK,aACpBI,KAAOtB,EAAEK,gBACTkB,WAAaR,QAAQG,KAAK,mBAC1BZ,OACAkB,EAAEC,KAAKC,oBAAoBH,WAAY,SAKtCJ,OAIDJ,QAAQG,KAAK,gBAAiB,UAH9BI,KAAKK,SAAS,eAAiBN,MAC\/BN,QAAQG,KAAK,gBAAiB,UAIpCU,KAAKC,OAEPA,KAAKC,yBACDxB,OACAuB,KAAKE,YAyHb,OArHAtB,OAAOuB,UAAUD,SAAW,WACxB\/B,EAAEK,yBAAyBO,MAAK,SAASC,MAAOC,KAC5C,IAAIC,QAAUf,EAAEc,KAAKE,KAAKX,yBACtBgB,KAAON,QAAQG,KAAK,aACpBI,KAAOtB,EAAEK,gBACTY,SAAWF,QAAQG,KAAK,iBACxBe,OAASjC,EAAEO,SAASa,eAAeH,WACnCM,WAAaR,QAAQG,KAAK,mBAE9BH,QAAQG,KAAK,gBAAiB,SAC9BI,KAAKY,YAAY,eAAiBb,MAClCjB,KAAK+B,KAAKF,OAAOG,OACjBH,OAAON,SAAS,UACXrB,OACDkB,EAAEC,KAAKC,oBAAoBH,WAAY,aAWnDd,OAAOuB,UAAUK,aAAe,SAASC,GACrC,IAAIvB,QAAUf,EAAEsC,EAAEC,QAAQC,QAAQ,+BAC9BvB,SAAWF,QAAQG,KAAK,iBACxBe,OAASjC,EAAEO,SAASa,eAAeH,WACnCK,KAAOtB,EAAEK,gBACTgB,KAAON,QAAQG,KAAK,aACpBK,WAAaR,QAAQG,KAAK,mBAC1BZ,OACAkB,EAAEC,KAAKC,oBAAoBH,WAAY,SAG3CD,KAAKK,SAAS,eACd,IAAIc,KAAwC,QAAjC1B,QAAQG,KAAK,iBACnBuB,MAYDnB,KAAKY,YAAY,eAAiBb,MAClCN,QAAQG,KAAK,gBAAiB,SAC9Be,OAAON,SAAS,UAAUe,MAAM,KAAKC,OAAM,WAEnC3C,EAAE6B,MAAMe,SAAS,WACjBxC,KAAK+B,KAAKN,MAEd7B,EAAE6B,MAAMgB,aAEPvC,OACDkB,EAAEC,KAAKC,oBAAoBH,WAAY,WApB3CR,QAAQG,KAAK,gBAAiB,QAC9Bd,KAAK0C,OAAOb,OAAOG,OACnBH,OAAOc,QACPzB,KAAKK,SAAS,eAAiBN,MAC\/BY,OAAOC,YAAY,UACd5B,OACDkB,EAAEC,KAAKC,oBAAoBH,WAAY,SAqB\/CpB,OAAO6C,QAAQ,0BAA2BP,OAS9ChC,OAAOuB,UAAUiB,kBAAoB,SAASX,GAC1C,IAAIY,MAAQZ,EAAEa,YAAeb,EAAEc,eAAiBd,EAAEc,cAAcD,aAAgBb,EAAEc,cAAcC,OAC5FC,eAAkBzB,KAAK0B,UAAYvD,EAAE6B,MAAM2B,cAAgB3B,KAAK4B,cAAiB,EACjFC,YAAc7B,KAAK0B,WAAa,GAE\/BL,MAAQ,GAAKI,gBAAoBJ,MAAQ,GAAKQ,cAC\/CpB,EAAEqB,kBASVlD,OAAOuB,UAAUF,uBAAyB,WAEtC9B,EAAEK,yBAAyBO,KAAK,SAASC,MAAO+C,SAC5C3D,aAAaF,OAAOC,EAAE4D,SAAU,CAAC3D,aAAa4D,OAAOC,WACrD9D,EAAE4D,SAASG,GAAG9D,aAAa4D,OAAOC,SAAU,SAASxB,EAAG0B,MACpDnC,KAAKQ,aAAa2B,KAAKZ,eACvBY,KAAKZ,cAAcO,kBACrB\/B,KAAKC,QACTD,KAAKC,OAEP7B,EAAEK,mBAAmB4D,MAAM,WACnB3D,OACAuB,KAAKE,YAEXH,KAAKC,OAIP7B,EAAEK,kBAAkB0D,GAAG,qDAAqD,SAASzB,GACjF,IAEIG,OAFSzC,EAAEsC,EAAEC,QAAQC,QAAQnC,kBAEba,KAAK,eACzBf,OAAO6C,QAAQ,wBAAyBP,UAIzC,CACHyB,KAAQ,WACJ,OAAO,IAAIzD,QAGvB"}