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authorAlex Yatskov <alex@foosoft.net>2017-03-18 17:40:48 -0700
committerAlex Yatskov <alex@foosoft.net>2017-03-18 17:40:48 -0700
commitad17b0603bfcbb6be54fd4941b6a7ca4195947fc (patch)
tree7998e10b47a1d1f545c4ea73eb52c9443fbf321f /ext/mixed/js
parent15313de18c54d2d600d838d51bac06678974679f (diff)
scrolling
Diffstat (limited to 'ext/mixed/js')
-rw-r--r--ext/mixed/js/display.js53
1 files changed, 45 insertions, 8 deletions
diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js
index d90cf897..11df7208 100644
--- a/ext/mixed/js/display.js
+++ b/ext/mixed/js/display.js
@@ -24,6 +24,9 @@ class Display {
this.definitions = [];
this.audioCache = {};
this.sequence = 0;
+ this.index = 0;
+
+ $(document).keydown(this.onKeyDown.bind(this));
}
definitionAdd(definition, mode) {
@@ -47,6 +50,8 @@ class Display {
}
showTermDefs(definitions, options, context) {
+ window.focus();
+
this.spinner.hide();
this.definitions = definitions;
@@ -68,13 +73,8 @@ class Display {
this.templateRender('terms.html', params).then(content => {
this.container.html(content);
- let offset = 0;
- if (context && context.hasOwnProperty('index') && context.index < definitions.length) {
- const entry = $('.entry').eq(context.index);
- offset = entry.offset().top;
- }
-
- window.scrollTo(0, offset);
+ const index = context && context.hasOwnProperty('index') ? context.index : 0;
+ this.entryScroll(index);
$('.action-add-note').click(this.onActionAddNote.bind(this));
$('.action-play-audio').click(e => {
@@ -102,6 +102,8 @@ class Display {
}
showKanjiDefs(definitions, options, context) {
+ window.focus();
+
this.spinner.hide();
this.definitions = definitions;
@@ -121,7 +123,9 @@ class Display {
this.templateRender('kanji.html', params).then(content => {
this.container.html(content);
- window.scrollTo(0, 0);
+
+ const index = context && context.hasOwnProperty('index') ? context.index : 0;
+ this.entryScroll(index);
$('.action-add-note').click(this.onActionAddNote.bind(this));
$('.source-term').click(e => {
@@ -158,6 +162,23 @@ class Display {
});
}
+ entryScroll(index, smooth) {
+ if (index < 0 || index >= this.definitions.length) {
+ return;
+ }
+
+ const body = $('body').stop();
+ const entry = $('.entry').eq(index);
+
+ if (smooth) {
+ body.animate({scrollTop: entry.offset().top}, 200);
+ } else {
+ body.scrollTop(entry.offset().top);
+ }
+
+ this.index = index;
+ }
+
onActionAddNote(e) {
e.preventDefault();
this.spinner.show();
@@ -184,6 +205,22 @@ class Display {
}).catch(this.handleError.bind(this)).then(() => this.spinner.hide());
}
+ onKeyDown(e) {
+ if (e.keyCode === 36 /* home */) {
+ e.preventDefault();
+ this.entryScroll(0, true);
+ } else if (e.keyCode === 35 /* end */) {
+ e.preventDefault();
+ this.entryScroll(this.definitions.length - 1, true);
+ } if (e.keyCode === 38 /* up */) {
+ e.preventDefault();
+ this.entryScroll(this.index - 1, true);
+ } else if (e.keyCode === 40 /* down */) {
+ e.preventDefault();
+ this.entryScroll(this.index + 1, true);
+ }
+ }
+
static audioPlay(definition, cache) {
for (const key in cache) {
const audio = cache[key];