{"version":3,"file":"dndsection.min.js","sources":["https:\/\/www.alsg.org\/home\/course\/format\/amd\/src\/local\/courseeditor\/dndsection.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 * Course index section component.\n *\n * This component is used to control specific course section interactions like drag and drop\n * in both course index and course content.\n *\n * @module     core_courseformat\/local\/courseeditor\/dndsection\n * @class      core_courseformat\/local\/courseeditor\/dndsection\n * @copyright  2021 Ferran Recio <ferran@moodle.com>\n * @license    http:\/\/www.gnu.org\/copyleft\/gpl.html GNU GPL v3 or later\n *\/\n\nimport {BaseComponent, DragDrop} from 'core\/reactive';\n\nexport default class extends BaseComponent {\n\n    \/**\n     * Save some values form the state.\n     *\n     * @param {Object} state the current state\n     *\/\n    configState(state) {\n        this.id = this.element.dataset.id;\n        this.section = state.section.get(this.id);\n        this.course = state.course;\n    }\n\n    \/**\n     * Register state values and the drag and drop subcomponent.\n     *\n     * @param {BaseComponent} sectionitem section item component\n     *\/\n    configDragDrop(sectionitem) {\n        \/\/ Drag and drop is only available for components compatible course formats.\n        if (this.reactive.isEditing && this.reactive.supportComponents) {\n            \/\/ Init the inner dragable element.\n            this.sectionitem = sectionitem;\n            \/\/ Init the dropzone.\n            this.dragdrop = new DragDrop(this);\n            \/\/ Save dropzone classes.\n            this.classes = this.dragdrop.getClasses();\n        }\n    }\n\n    \/**\n     * Remove all subcomponents dependencies.\n     *\/\n    destroy() {\n        if (this.sectionitem !== undefined) {\n            this.sectionitem.unregister();\n        }\n        if (this.dragdrop !== undefined) {\n            this.dragdrop.unregister();\n        }\n    }\n\n    \/**\n     * Get the last CM element of that section.\n     *\n     * @returns {element|null} the las course module element of the section.\n     *\/\n    getLastCm() {\n        return null;\n    }\n\n    \/\/ Drag and drop methods.\n\n    \/**\n     * The element drop start hook.\n     *\n     * @param {Object} dropdata the dropdata\n     *\/\n    dragStart(dropdata) {\n        this.reactive.dispatch('sectionDrag', [dropdata.id], true);\n    }\n\n    \/**\n     * The element drop end hook.\n     *\n     * @param {Object} dropdata the dropdata\n     *\/\n    dragEnd(dropdata) {\n        this.reactive.dispatch('sectionDrag', [dropdata.id], false);\n    }\n\n    \/**\n     * Validate if the drop data can be dropped over the component.\n     *\n     * @param {Object} dropdata the exported drop data.\n     * @returns {boolean}\n     *\/\n    validateDropData(dropdata) {\n        \/\/ We accept any course module.\n        if (dropdata?.type === 'cm') {\n            return true;\n        }\n        \/\/ We accept any section but the section 0 or ourself\n        if (dropdata?.type === 'section') {\n            const sectionzeroid = this.course.sectionlist[0];\n            return dropdata?.id != this.id && dropdata?.id != sectionzeroid && this.id != sectionzeroid;\n        }\n        return false;\n    }\n\n    \/**\n     * Display the component dropzone.\n     *\n     * @param {Object} dropdata the accepted drop data\n     *\/\n    showDropZone(dropdata) {\n        if (dropdata.type == 'cm') {\n            this.getLastCm()?.classList.add(this.classes.DROPDOWN);\n        }\n        if (dropdata.type == 'section') {\n            \/\/ The relative move of section depends on the section number.\n            if (this.section.number > dropdata.number) {\n                this.element.classList.remove(this.classes.DROPUP);\n                this.element.classList.add(this.classes.DROPDOWN);\n            } else {\n                this.element.classList.add(this.classes.DROPUP);\n                this.element.classList.remove(this.classes.DROPDOWN);\n            }\n        }\n    }\n\n    \/**\n     * Hide the component dropzone.\n     *\/\n    hideDropZone() {\n        this.getLastCm()?.classList.remove(this.classes.DROPDOWN);\n        this.element.classList.remove(this.classes.DROPUP);\n        this.element.classList.remove(this.classes.DROPDOWN);\n    }\n\n    \/**\n     * Drop event handler.\n     *\n     * @param {Object} dropdata the accepted drop data\n     *\/\n    drop(dropdata) {\n        \/\/ Call the move mutation.\n        if (dropdata.type == 'cm') {\n            this.reactive.dispatch('cmMove', [dropdata.id], this.id);\n        }\n        if (dropdata.type == 'section') {\n            this.reactive.dispatch('sectionMove', [dropdata.id], this.id);\n        }\n    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