CoursewareStructuralElement.vue

        checkUploadFile() {
            const file = this.$refs?.upload_image?.files[0];
            if (file.size > 2097152) {
                this.uploadFileError = this.$gettext('Diese Datei ist zu groß. Bitte wählen Sie eine kleinere Datei.');
            } else if (!file.type.includes('image')) {
                this.uploadFileError = this.$gettext('Diese Datei ist kein Bild. Bitte wählen Sie ein Bild aus.');
            } else {
                this.uploadFileError = '';
            }
        },
        deleteImage() {
            this.deleteImageForStructuralElement(this.currentElement);
            this.initCurrent();
        },
        async storeCurrentElement() {
            const file = this.$refs?.upload_image?.files[0];
            if (file) {
                if (file.size > 2097152) {
                    return false;
                }

                this.uploadFileError = '';
                this.uploadImageForStructuralElement({
                    structuralElement: this.currentElement,
                    file,
                }).catch((error) => {
                    console.error(error);
                    this.uploadFileError = this.$gettext('Fehler beim Hochladen der Datei.');
                });
            }

            if (this.currentElement.attributes['release-date'] !== '') {
                this.currentElement.attributes['release-date'] =
                    new Date(this.currentElement.attributes['release-date']).getTime() / 1000;
            }

            if (this.currentElement.attributes['withdraw-date'] !== '') {
                this.currentElement.attributes['withdraw-date'] =
                    new Date(this.currentElement.attributes['withdraw-date']).getTime() / 1000;
            }

            await this.updateStructuralElement({
                element: this.currentElement,
                id: this.currentId,
            });
            await this.unlockObject({ id: this.currentId, type: 'courseware-structural-elements' });
            this.$emit('select', this.currentId);
            this.showElementEditDialog(false);
        },

        async exportCurrentElement(data) {
            if (this.exportRunning) {
                return;
            }

            this.exportRunning = true;

            await this.sendExportZip(this.currentElement.id, {
                withChildren: this.exportChildren,
            });

            this.exportRunning = false;
            this.showElementExportDialog(false);
        },

        async publishCurrentElement() {
            this.exportToOER(this.currentElement, { withChildren: this.oerChildren });
        },

        async closeDeleteDialog() {
            await this.unlockObject({ id: this.currentId, type: 'courseware-structural-elements' });
            this.showElementDeleteDialog(false);
        },
        async deleteCurrentElement() {
            let parent_id = this.structuralElement.relationships.parent.data.id;
            this.showElementDeleteDialog(false);
            await this.deleteStructuralElement({
                id: this.currentId,
                parentId: this.structuralElement.relationships.parent.data.id,
            });
            this.$router.push(parent_id);
        },
        async createElement() {
            let title = this.newChapterName; // this is the title of the new element
            let parent_id = this.currentId; // new page is descandant as default
            if (this.newChapterParent === 'sibling') {
                parent_id = this.structuralElement.relationships.parent.data.id;
            }
            this.showElementAddDialog(false);
            await this.createStructuralElement({
                attributes: {
                    title,
                },
                parentId: parent_id,
                currentId: this.currentId,
            });
            let newElement = this.$store.getters['courseware-structural-elements/lastCreated'];
            this.companionSuccess({
                info:
                    this.$gettext('Seite') +
                    ' "' +
                    newElement.attributes.title +
                    '" ' +
                    this.$gettext('wurde erfolgreich angelegt.'),
            });
        },
        containerComponent(container) {
            return 'courseware-' + container.attributes['container-type'] + '-container';
        },
        setBookmark() {
            this.addBookmark(this.structuralElement);
            this.companionInfo({ info: this.$gettext('Das Lesezeichen wurde gesetzt') });
        },
        updateReadApproval(approval) {
            this.currentElement.attributes['read-approval'] = approval;
        },
        updateWriteApproval(approval) {
            this.currentElement.attributes['write-approval'] = approval;
        },
    },
    created() {
        this.pluginManager.registerComponentsLocally(this);
    },

    watch: {
        structuralElement() {
            this.initCurrent();
        },
    },

    // this line provides all the components to courseware plugins
    provide: () => ({
        containerComponents: ContainerComponents,
        coursewarePluginComponents: CoursewarePluginComponents,
    }),
};
</script>