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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2020-04-11 14:23:49 -0400
committertoasted-nutbread <toasted-nutbread@users.noreply.github.com>2020-04-18 21:32:35 -0400
commitac603d54a3a53bec2881199756f3dd6a1aa44057 (patch)
treede4560a6e468162ccfc01bc76c787f4218283f73 /ext/mixed/js/display-generator.js
parentfd6ea0e404da2657f110599061af4034a524283a (diff)
Add support for displaying images
Diffstat (limited to 'ext/mixed/js/display-generator.js')
-rw-r--r--ext/mixed/js/display-generator.js85
1 files changed, 81 insertions, 4 deletions
diff --git a/ext/mixed/js/display-generator.js b/ext/mixed/js/display-generator.js
index 0f991362..a2b2b139 100644
--- a/ext/mixed/js/display-generator.js
+++ b/ext/mixed/js/display-generator.js
@@ -22,7 +22,8 @@
*/
class DisplayGenerator {
- constructor() {
+ constructor({mediaLoader}) {
+ this._mediaLoader = mediaLoader;
this._templateHandler = null;
this._termPitchAccentStaticTemplateIsSetup = false;
}
@@ -176,16 +177,30 @@ class DisplayGenerator {
const onlyListContainer = node.querySelector('.term-definition-disambiguation-list');
const glossaryContainer = node.querySelector('.term-glossary-list');
- node.dataset.dictionary = details.dictionary;
+ const dictionary = details.dictionary;
+ node.dataset.dictionary = dictionary;
this._appendMultiple(tagListContainer, this._createTag.bind(this), details.definitionTags);
this._appendMultiple(onlyListContainer, this._createTermDisambiguation.bind(this), details.only);
- this._appendMultiple(glossaryContainer, this._createTermGlossaryItem.bind(this), details.glossary);
+ this._appendMultiple(glossaryContainer, this._createTermGlossaryItem.bind(this), details.glossary, dictionary);
return node;
}
- _createTermGlossaryItem(glossary) {
+ _createTermGlossaryItem(glossary, dictionary) {
+ if (typeof glossary === 'string') {
+ return this._createTermGlossaryItemText(glossary);
+ } else if (typeof glossary === 'object' && glossary !== null) {
+ switch (glossary.type) {
+ case 'image':
+ return this._createTermGlossaryItemImage(glossary, dictionary);
+ }
+ }
+
+ return null;
+ }
+
+ _createTermGlossaryItemText(glossary) {
const node = this._templateHandler.instantiate('term-glossary-item');
const container = node.querySelector('.term-glossary');
if (container !== null) {
@@ -194,6 +209,68 @@ class DisplayGenerator {
return node;
}
+ _createTermGlossaryItemImage(data, dictionary) {
+ const {path, width, height, preferredWidth, preferredHeight, title, description, pixelated} = data;
+
+ const usedWidth = (
+ typeof preferredWidth === 'number' ?
+ preferredWidth :
+ width
+ );
+ const aspectRatio = (
+ typeof preferredWidth === 'number' &&
+ typeof preferredHeight === 'number' ?
+ preferredWidth / preferredHeight :
+ width / height
+ );
+
+ const node = this._templateHandler.instantiate('term-glossary-item-image');
+ node.dataset.path = path;
+ node.dataset.dictionary = dictionary;
+ node.dataset.imageLoadState = 'not-loaded';
+
+ const imageContainer = node.querySelector('.term-glossary-image-container');
+ imageContainer.style.width = `${usedWidth}em`;
+ if (typeof title === 'string') {
+ imageContainer.title = title;
+ }
+
+ const aspectRatioSizer = node.querySelector('.term-glossary-image-aspect-ratio-sizer');
+ aspectRatioSizer.style.paddingTop = `${aspectRatio * 100.0}%`;
+
+ const image = node.querySelector('img.term-glossary-image');
+ const imageLink = node.querySelector('.term-glossary-image-link');
+ image.dataset.pixelated = `${pixelated === true}`;
+
+ if (this._mediaLoader !== null) {
+ this._mediaLoader.loadMedia(
+ path,
+ dictionary,
+ (url) => this._setImageData(node, image, imageLink, url, false),
+ () => this._setImageData(node, image, imageLink, null, true)
+ );
+ }
+
+ if (typeof description === 'string') {
+ const container = node.querySelector('.term-glossary-image-description');
+ this._appendMultilineText(container, description);
+ }
+
+ return node;
+ }
+
+ _setImageData(container, image, imageLink, url, unloaded) {
+ if (url !== null) {
+ image.src = url;
+ imageLink.href = url;
+ container.dataset.imageLoadState = 'loaded';
+ } else {
+ image.removeAttribute('src');
+ imageLink.removeAttribute('href');
+ container.dataset.imageLoadState = unloaded ? 'unloaded' : 'load-error';
+ }
+ }
+
_createTermDisambiguation(disambiguation) {
const node = this._templateHandler.instantiate('term-definition-disambiguation');
node.dataset.term = disambiguation;