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Fix (gallery): Fix arrow key navigation back and forth between second… #35

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merged 1 commit into from
Sep 25, 2021
Merged

Fix (gallery): Fix arrow key navigation back and forth between second… #35

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28 changes: 26 additions & 2 deletions webize
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Original file line number Diff line number Diff line change
Expand Up @@ -637,7 +637,17 @@ cat - >> "$indexHtm" <<'EOF'
var setPreviousRowImageAsActiveImage = function() {
var imageholder = images[activeImageIndex].parentNode;
var idx = Array.from(imageholder.parentNode.children).indexOf(imageholder); // Wrapper
idx -= tileFactor;
var rem = images.length % tileFactor;
console.log('rem: ' + rem);
if (rem > 0 && activeImageIndex + 1 >= images.length - rem) {
// On the last row with a non-full row. We should scroll less than tileFactor thumbnails
var missing = tileFactor - rem;
var missingFromCenter = Math.floor(missing / 2);
console.log('missing: ' + missing + ', missingFromCenter: ' + missingFromCenter);
idx -= tileFactor - missingFromCenter;
}else {
idx -= tileFactor;
}
if (idx <= 0) {
idx = 0;
}
Expand All @@ -654,7 +664,21 @@ cat - >> "$indexHtm" <<'EOF'
var setNextRowImageAsActiveImage = function() {
var imageholder = images[activeImageIndex].parentNode;
var idx = Array.from(imageholder.parentNode.children).indexOf(imageholder); // Wrapper
idx += tileFactor;
var rem = images.length % tileFactor;
var missing = tileFactor - rem;
var missingFromCenter = Math.floor(missing / 2);
console.log('rem: ' + rem);
console.log('missing: ' + missing + ', missingFromCenter: ' + missingFromCenter);
if ((activeImageIndex + 1) % tileFactor > 0 && (activeImageIndex + 1) % tileFactor <= missingFromCenter) {
// Scroll to first image on last row
console.log("Scrolling to first image of last row");
idx = images.length - 1 - rem + 1;
}else if (rem > 0 && (activeImageIndex + tileFactor + 1) >= images.length - rem) {
// On the row just prior to a non-full last row. We should scroll less than tileFactor thumbnails
idx += tileFactor - missingFromCenter;
}else {
idx += tileFactor;
}
if (idx >= images.length - 1) {
idx = images.length - 1;
}
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