-
Notifications
You must be signed in to change notification settings - Fork 633
/
index.vue
245 lines (231 loc) · 6.92 KB
/
index.vue
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
<template>
<div class="content-renderer">
<UiAlert v-if="noRendererAvailable" :dismissible="false" type="error">
{{ $tr('rendererNotAvailable') }}
</UiAlert>
<template v-else-if="available">
<transition mode="out-in">
<KCircularLoader
v-if="!currentViewClass"
:delay="false"
/>
<component
:is="currentViewClass"
v-else
ref="contentView"
class="content-renderer-component"
:files="availableFiles"
:defaultFile="defaultFile"
:itemId="itemId"
:extraFields="extraFields"
:answerState="answerState"
:allowHints="allowHints"
:supplementaryFiles="supplementaryFiles"
:thumbnailFiles="thumbnailFiles"
:interactive="interactive"
:lang="lang"
:showCorrectAnswer="showCorrectAnswer"
@startTracking="startTracking"
@stopTracking="stopTracking"
@updateProgress="updateProgress"
@updateContentState="updateContentState"
@answerGiven="answerGiven"
@hintTaken="hintTaken"
@itemError="itemError"
@interaction="interaction"
/>
</transition>
</template>
<div v-else>
{{ $tr('msgNotAvailable') }}
</div>
</div>
</template>
<script>
import logger from 'kolibri.lib.logging';
import heartbeat from 'kolibri.heartbeat';
import KCircularLoader from 'kolibri.coreVue.components.KCircularLoader';
import UiAlert from 'keen-ui/src/UiAlert';
import { defaultLanguage, languageValidator } from 'kolibri.utils.i18n';
const logging = logger.getLogger(__filename);
export default {
name: 'ContentRenderer',
$trs: {
msgNotAvailable: 'This content is not available',
rendererNotAvailable: 'Kolibri is unable to render this content',
},
components: {
KCircularLoader,
UiAlert,
},
props: {
kind: {
type: String,
required: true,
},
files: {
type: Array,
default: () => [],
},
available: {
type: Boolean,
default: false,
},
assessment: {
type: Boolean,
default: false,
},
itemId: {
type: String,
default: null,
},
answerState: {
type: Object,
default: null,
},
allowHints: {
type: Boolean,
default: true,
},
extraFields: {
type: Object,
default: () => {},
},
initSession: {
type: Function,
default: () => Promise.resolve(),
},
// Allow content renderers to display in a static mode
// where user interaction is not allowed
interactive: {
type: Boolean,
default: true,
},
lang: {
type: Object,
default: () => defaultLanguage,
validator: languageValidator,
},
showCorrectAnswer: {
type: Boolean,
default: false,
},
},
data: () => ({
currentViewClass: null,
noRendererAvailable: false,
}),
computed: {
extension() {
if (this.availableFiles.length > 0) {
return this.availableFiles[0].extension;
}
return undefined;
},
availableFiles() {
return this.files.filter(
file =>
!file.thumbnail &&
!file.supplementary &&
file.available &&
this.Kolibri.canRenderContent(this.kind, file.extension)
);
},
defaultFile() {
return this.availableFiles && this.availableFiles.length
? this.availableFiles[0]
: undefined;
},
supplementaryFiles() {
return this.files.filter(file => file.supplementary && file.available);
},
thumbnailFiles() {
return this.files.filter(file => file.thumbnail && file.available);
},
},
created() {
this.updateRendererComponent();
// This means this component has to be torn down on channel switches.
this.$watch('files', this.updateRendererComponent);
},
methods: {
/* Check the Kolibri core app for a content renderer module that is able to
* handle the rendering of the current content node. This is the entrance point for changes
* in the props,so any change in the props will trigger this function first.
*/
updateRendererComponent() {
// Assume we will find a renderer until we find out otherwise.
this.noRendererAvailable = false;
// Only bother to do this is if the node is available,
// and the kind and extension are defined.
// Otherwise the template can handle it.
if (this.available && this.kind && this.extension) {
return Promise.all([
this.initSession(),
this.Kolibri.retrieveContentRenderer(this.kind, this.extension),
])
.then(([session, component]) => {
this.$emit('sessionInitialized', session);
this.currentViewClass = component;
return this.currentViewClass;
})
.catch(error => {
logging.error(error);
this.noRendererAvailable = true;
});
}
return Promise.resolve(null);
},
answerGiven(...args) {
this.$emit('answerGiven', ...args);
heartbeat.setUserActive();
},
hintTaken(...args) {
this.$emit('hintTaken', ...args);
heartbeat.setUserActive();
},
itemError(...args) {
this.$emit('itemError', ...args);
heartbeat.setUserActive();
},
interaction(...args) {
this.$emit('interaction', ...args);
heartbeat.setUserActive();
},
updateProgress(...args) {
this.$emit('updateProgress', ...args);
heartbeat.setUserActive();
},
updateContentState(...args) {
this.$emit('updateContentState', ...args);
heartbeat.setUserActive();
},
startTracking(...args) {
this.$emit('startTracking', ...args);
heartbeat.setUserActive();
},
stopTracking(...args) {
this.$emit('stopTracking', ...args);
},
checkAnswer() {
if (this.assessment && this.$refs.contentView && this.$refs.contentView.checkAnswer) {
return this.$refs.contentView.checkAnswer();
} else if (!this.assessment) {
logging.warn('Checking answer of something that is not an assessment');
} else if (!this.$refs.contentView) {
logging.warn('No content view to check answer of');
} else if (!this.$refs.contentView.checkAnswer) {
logging.warn('This content renderer has not implemented the checkAnswer method');
}
heartbeat.setUserActive();
return null;
},
},
};
</script>
<style lang="scss" scoped>
@import '~kolibri.styles.definitions';
.content-renderer-component {
@extend %dropshadow-1dp;
}
</style>