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Diffstat (limited to 'viewer/src/views/item_handlers/PictureViewer.vue')
-rw-r--r-- | viewer/src/views/item_handlers/PictureViewer.vue | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/viewer/src/views/item_handlers/PictureViewer.vue b/viewer/src/views/item_handlers/PictureViewer.vue new file mode 100644 index 0000000..10055fd --- /dev/null +++ b/viewer/src/views/item_handlers/PictureViewer.vue | |||
@@ -0,0 +1,129 @@ | |||
1 | <!-- ldgallery - A static generator which turns a collection of tagged | ||
2 | -- pictures into a searchable web gallery. | ||
3 | -- | ||
4 | -- Copyright (C) 2019-2022 Guillaume FOUET | ||
5 | -- | ||
6 | -- This program is free software: you can redistribute it and/or modify | ||
7 | -- it under the terms of the GNU Affero General Public License as | ||
8 | -- published by the Free Software Foundation, either version 3 of the | ||
9 | -- License, or (at your option) any later version. | ||
10 | -- | ||
11 | -- This program is distributed in the hope that it will be useful, | ||
12 | -- but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | -- GNU Affero General Public License for more details. | ||
15 | -- | ||
16 | -- You should have received a copy of the GNU Affero General Public License | ||
17 | -- along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
18 | --> | ||
19 | |||
20 | <template> | ||
21 | <div | ||
22 | ref="containerElement" | ||
23 | v-dragscroll | ||
24 | class="scrollbar" | ||
25 | :class="$style.pictureContainer" | ||
26 | @dblclick="uiStore.toggleFullscreen()" | ||
27 | > | ||
28 | <img | ||
29 | v-if="!error" | ||
30 | ref="imageElement" | ||
31 | :src="itemResourceUrl" | ||
32 | :class="[$style.pictureElement, $style.slowLoading]" | ||
33 | :style="imageStyle" | ||
34 | @load="clearSlowLoading" | ||
35 | @error="onError" | ||
36 | > | ||
37 | <LdLoading v-if="loader" /> | ||
38 | </div> | ||
39 | </template> | ||
40 | |||
41 | <script setup lang="ts"> | ||
42 | import { PictureItem } from '@/@types/gallery'; | ||
43 | import LdLoading from '@/components/LdLoading.vue'; | ||
44 | import { useItemResource } from '@/services/ui/ldItemResourceUrl'; | ||
45 | import { useLdZoom } from '@/services/ui/ldZoom'; | ||
46 | import { useUiStore } from '@/store/uiStore'; | ||
47 | import { unrefElement, VueInstance } from '@vueuse/core'; | ||
48 | import { createToast } from 'mosha-vue-toastify'; | ||
49 | import { CSSProperties, onMounted, onUnmounted, PropType, ref } from 'vue'; | ||
50 | import { useI18n } from 'vue-i18n'; | ||
51 | |||
52 | const props = defineProps({ | ||
53 | item: { type: Object as PropType<PictureItem>, required: true }, | ||
54 | }); | ||
55 | |||
56 | const { t } = useI18n(); | ||
57 | const uiStore = useUiStore(); | ||
58 | |||
59 | const imageStyle = ref<CSSProperties>({}); | ||
60 | const error = ref(false); | ||
61 | const loader = ref(false); | ||
62 | |||
63 | const containerElement = ref<HTMLDivElement>(); | ||
64 | const imageElement = ref<VueInstance>(); | ||
65 | |||
66 | const { itemResourceUrl, thumbnailResourceUrl } = useItemResource(props.item); | ||
67 | |||
68 | onMounted(() => { | ||
69 | generateSlowLoadingStyle(); | ||
70 | if (!containerElement.value) return; | ||
71 | useLdZoom( | ||
72 | imageStyle, | ||
73 | containerElement.value, | ||
74 | unrefElement(imageElement) as HTMLImageElement, | ||
75 | props.item.properties, | ||
76 | ); | ||
77 | }); | ||
78 | |||
79 | onUnmounted(() => { | ||
80 | clearSlowLoading(); | ||
81 | }); | ||
82 | |||
83 | function clearSlowLoading() { | ||
84 | imageStyle.value.backgroundImage = undefined; | ||
85 | loader.value = false; | ||
86 | } | ||
87 | |||
88 | function generateSlowLoadingStyle() { | ||
89 | clearSlowLoading(); | ||
90 | loader.value = true; | ||
91 | if (thumbnailResourceUrl.value) { | ||
92 | imageStyle.value.backgroundImage = `url('${thumbnailResourceUrl.value}')`; | ||
93 | } | ||
94 | } | ||
95 | |||
96 | function onError() { | ||
97 | clearSlowLoading(); | ||
98 | error.value = true; | ||
99 | createToast(t('gallery.resource-loading-error'), { | ||
100 | type: 'danger', | ||
101 | position: 'top-center', | ||
102 | timeout: 10000, | ||
103 | showIcon: true, | ||
104 | }); | ||
105 | } | ||
106 | </script> | ||
107 | |||
108 | <style lang="scss" module> | ||
109 | @import "~@/assets/scss/theme"; | ||
110 | |||
111 | .pictureContainer { | ||
112 | height: 100%; | ||
113 | } | ||
114 | |||
115 | .pictureElement { | ||
116 | max-width: unset; | ||
117 | max-height: unset; | ||
118 | cursor: grab; | ||
119 | } | ||
120 | |||
121 | .slowLoading { | ||
122 | background-repeat: no-repeat; | ||
123 | background-position: center; | ||
124 | background-size: contain; | ||
125 | background-color: $content-bgcolor; | ||
126 | background-blend-mode: soft-light; | ||
127 | opacity: 1 !important; | ||
128 | } | ||
129 | </style> | ||