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<template>
<div class="cw-block cw-block-lti">
<courseware-default-block
:block="block"
:canEdit="canEdit"
:isTeacher="isTeacher"
:preview="false"
@showEdit="initCurrentData"
@storeEdit="storeBlock"
@closeEdit="initCurrentData"
>
<template #content>
<div v-if="currentTitle !== ''" class="cw-block-title">{{ currentTitle }}</div>
<iframe
v-if="toolId !== ''"
class="cw-block-lti-content"
:src="iframeUrl"
:height="currentHeight"
width="100%"
allowfullscreen
sandbox="allow-downloads allow-forms allow-popups allow-pointer-lock allow-same-origin allow-scripts"
/>
<div v-else class="cw-block-lti-content">
<span class="cw-block-lti-icon-tool">
{{ $gettext('Kein LTI-Tool konfiguriert') }}
</span>
</div>
</template>
<template v-if="canEdit" #edit>
<courseware-tabs>
<courseware-tab :index="0" :name="$gettext('Grunddaten')" :selected="true">
<form class="default" @submit.prevent="">
<label>
{{ $gettext('Titel') }}
<input type="text" v-model="currentTitle" />
</label>
<label>
{{ $gettext('Auswahl des externen Tools') }}
<select v-model="currentToolId">
<option v-for="tool in tools" :key="tool.id" :value="tool.id">
{{ tool.name }}
</option>
<option value="0">{{ $gettext('Zugangsdaten selbst eingeben...') }}</option>
</select>
</label>
<label v-show="allowCustomUrl">
{{ $gettext('URL der Anwendung (optional)') }}
<studip-tooltip-icon
:text="$gettext('Sie können direkt auf eine URL in der Anwendung verlinken.')"
/>
<input type="text" v-model="currentLaunchUrl" :placeholder="currentTool?.launch_url" />
</label>
<div v-show="customToolSelected">
<label class="studiprequired">
{{ $gettext('URL der Anwendung') }}
<span
class="asterisk"
:title="$gettext('Dies ist ein Pflichtfeld')"
aria-hidden="true"
>*</span
>
<studip-tooltip-icon
:text="
$gettext(
'Die Betreiber dieses Tools müssen Ihnen eine URL und Zugangsdaten (Consumer-Key und Consumer-Secret) mitteilen.'
)
"
/>
<input type="text" v-model="currentLaunchUrl" required />
</label>
<label class="studiprequired">
{{ $gettext('Consumer-Key des LTI-Tools') }}
<span
class="asterisk"
:title="$gettext('Dies ist ein Pflichtfeld')"
aria-hidden="true"
>*</span
>
<input type="text" v-model="currentConsumerKey" required />
</label>
<label class="studiprequired">
{{ $gettext('Consumer-Secret des LTI-Tools') }}
<span
class="asterisk"
:title="$gettext('Dies ist ein Pflichtfeld')"
aria-hidden="true"
>*</span
>
<input type="text" v-model="currentConsumerSecret" required />
</label>
<label>
{{ $gettext('OAuth Signatur Methode des LTI-Tools') }}
<select v-model="currentOauthSignatureMethod">
<option value="sha1">HMAC-SHA1</option>
<option value="sha256">HMAC-SHA256</option>
</select>
</label>
<label>
<input type="checkbox" v-model="currentSendLisPerson" />
{{ $gettext('Nutzerdaten an LTI-Tool senden') }}
<studip-tooltip-icon
:text="
$gettext(
'Nutzerdaten dürfen nur an das externe Tool gesendet werden, wenn es keine Datenschutzbedenken gibt. Mit Setzen des Hakens bestätigen Sie, dass die Übermittlung der Daten zulässig ist.'
)
"
/>
</label>
</div>
</form>
</courseware-tab>
<courseware-tab :index="1" :name="$gettext('Zusätzliche Einstellungen')">
<form class="default" @submit.prevent="">
<label>
{{ $gettext('Höhe') }}
<input type="number" v-model="currentHeight" min="0" />
</label>
<label>
{{ $gettext('Zusätzliche LTI-Parameter') }}
<studip-tooltip-icon
:text="$gettext('Ein Wert pro Zeile, Beispiel: Review:Chapter=1.2.56')"
/>
<textarea v-model="currentCustomParameters" />
</label>
</form>
</courseware-tab>
</courseware-tabs>
</template>
<template #info>
<p>{{ $gettext('Informationen zum LTI-Block') }}</p>
</template>
</courseware-default-block>
</div>
</template>
<script>
import BlockComponents from './block-components.js';
import blockMixin from '@/vue/mixins/courseware/block.js';
import { mapActions, mapGetters } from 'vuex';
export default {
name: 'courseware-lti-block',
mixins: [blockMixin],
components: Object.assign(BlockComponents, {}),
props: {
block: Object,
canEdit: Boolean,
isTeacher: Boolean,
},
data() {
return {
currentTitle: '',
currentHeight: '',
currentToolId: '',
currentLaunchUrl: '',
currentConsumerKey: '',
currentConsumerSecret: '',
currentOauthSignatureMethod: '',
currentSendLisPerson: false,
currentCustomParameters: '',
};
},
computed: {
...mapGetters({
urlHelper: 'urlHelper',
ltiTools: 'lti-tools/all',
}),
title() {
return this.block?.attributes?.payload?.title;
},
height() {
return this.block?.attributes?.payload?.height;
},
tools() {
return this.ltiTools.map((tool) => ({
id: tool.id,
name: tool.attributes.name,
launch_url: tool.attributes['launch-url'],
allow_custom_url: tool.attributes['allow-custom-url'],
}));
},
toolId() {
return this.block?.attributes?.payload?.tool_id;
},
currentTool() {
return this.tools.find((tool) => tool.id === this.currentToolId);
},
allowCustomUrl() {
return this.currentTool?.allow_custom_url;
},
customToolSelected() {
return this.currentToolId === '0';
},
launchUrl() {
return this.block?.attributes?.payload?.launch_url;
},
consumerKey() {
return this.block?.attributes?.payload?.consumer_key;
},
consumerSecret() {
return this.block?.attributes?.payload?.consumer_secret;
},
oauthSignatureMethod() {
return this.block?.attributes?.payload?.oauth_signature_method ?? 'sha1';
},
sendLisPerson() {
return this.block?.attributes?.payload?.send_lis_person;
},
customParameters() {
return this.block?.attributes?.payload?.custom_parameters;
},
iframeUrl() {
return this.urlHelper.getURL('dispatch.php/courseware/lti/iframe/' + this.block.id);
},
},
async mounted() {
await this.loadLtiTools();
this.initCurrentData();
},
methods: {
...mapActions({
updateBlock: 'updateBlockInContainer',
loadLtiTools: 'lti-tools/loadAll',
companionWarning: 'companionWarning',
}),
initCurrentData() {
this.currentTitle = this.title;
this.currentHeight = this.height;
this.currentToolId = this.toolId !== '' ? this.toolId : this.currentToolId; // keep preselected tool
this.currentLaunchUrl = this.launchUrl;
this.currentConsumerKey = this.consumerKey;
this.currentConsumerSecret = this.consumerSecret;
this.currentOauthSignatureMethod = this.oauthSignatureMethod;
this.currentSendLisPerson = Boolean(this.sendLisPerson); // prevent undefined value
this.currentCustomParameters = this.customParameters;
},
storeBlock() {
// require url, key and secret if custom tool is selected
if (this.currentToolId === '0') {
if (!this.currentLaunchUrl) {
this.companionWarning({
info: this.$gettext('Bitte geben Sie eine URL der Anwendung an.'),
});
return false;
}
if (!this.currentConsumerKey) {
this.companionWarning({
info: this.$gettext('Bitte geben Sie den Consumer-Key des LTI-Tools an.'),
});
return false;
}
if (!this.currentConsumerSecret) {
this.companionWarning({
info: this.$gettext('Bitte geben Sie den Consumer-Secret des LTI-Tools an.'),
});
return false;
}
}
let attributes = {};
attributes.payload = {};
attributes.payload.title = this.currentTitle;
attributes.payload.height = this.currentHeight;
attributes.payload.tool_id = this.currentToolId;
attributes.payload.launch_url = this.currentLaunchUrl;
if (this.currentToolId === '0') {
attributes.payload.consumer_key = this.currentConsumerKey;
attributes.payload.consumer_secret = this.currentConsumerSecret;
attributes.payload.oauth_signature_method = this.currentOauthSignatureMethod;
attributes.payload.send_lis_person = this.currentSendLisPerson;
}
attributes.payload.custom_parameters = this.currentCustomParameters;
this.updateBlock({
attributes: attributes,
blockId: this.block.id,
containerId: this.block.relationships.container.data.id,
});
},
},
watch: {
tools(value) {
// Preselect tool
if (this.currentToolId === '') {
if (value.length > 0) {
// Preselect first tool
this.currentToolId = value[0].id;
} else {
// Preselect custom tool
this.currentToolId = '0';
}
}
},
},
};
</script>
<style scoped lang="scss">
@import '../../../../assets/stylesheets/scss/courseware/blocks/lti.scss';
</style>
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