RetailCRM-Mirror/select2
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Ensure that the highlighted result is visible

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When opening the dropdown, the highlighted result will not always
be scrolled into view if it isn't already.
This commit is contained in:
Kevin Brown 2014-10-20 19:51:47 -04:00
parent a728d948c1
commit 5dd5ad93a6
7 changed files with 133 additions and 3 deletions
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26
dist/js/select2.amd.full.js vendored
View File

@ -333,6 +333,7 @@ define('select2/results',[
self.$results.attr('aria-hidden', 'false');
self.setClasses();
self.ensureHighlightVisible();
});
container.on('close', function () {
@ -469,6 +470,31 @@ define('select2/results',[
});
};
Results.prototype.ensureHighlightVisible = function () {
var $highlighted = this.$results.find('.highlighted');
if ($highlighted.length === 0) {
return;
}
var $options = this.$results.find('[aria-selected]');
var currentIndex = $options.index($highlighted);
var currentOffset = this.$results.offset().top;
var nextTop = $highlighted.offset().top;
var nextOffset = this.$results.scrollTop() + (nextTop - currentOffset);
var offsetDelta = nextTop - currentOffset;
nextOffset -= $highlighted.outerHeight(false) * 2;
if (currentIndex <= 2) {
this.$results.scrollTop(0);
} else if (offsetDelta > this.$results.outerHeight() || offsetDelta < 0) {
this.$results.scrollTop(nextOffset);
}
};
return Results;
});

26
dist/js/select2.amd.js vendored
View File

@ -333,6 +333,7 @@ define('select2/results',[
self.$results.attr('aria-hidden', 'false');
self.setClasses();
self.ensureHighlightVisible();
});
container.on('close', function () {
@ -469,6 +470,31 @@ define('select2/results',[
});
};
Results.prototype.ensureHighlightVisible = function () {
var $highlighted = this.$results.find('.highlighted');
if ($highlighted.length === 0) {
return;
}
var $options = this.$results.find('[aria-selected]');
var currentIndex = $options.index($highlighted);
var currentOffset = this.$results.offset().top;
var nextTop = $highlighted.offset().top;
var nextOffset = this.$results.scrollTop() + (nextTop - currentOffset);
var offsetDelta = nextTop - currentOffset;
nextOffset -= $highlighted.outerHeight(false) * 2;
if (currentIndex <= 2) {
this.$results.scrollTop(0);
} else if (offsetDelta > this.$results.outerHeight() || offsetDelta < 0) {
this.$results.scrollTop(nextOffset);
}
};
return Results;
});

26
dist/js/select2.full.js vendored
View File

@ -9871,6 +9871,7 @@ define('select2/results',[
self.$results.attr('aria-hidden', 'false');
self.setClasses();
self.ensureHighlightVisible();
});
container.on('close', function () {
@ -10007,6 +10008,31 @@ define('select2/results',[
});
};
Results.prototype.ensureHighlightVisible = function () {
var $highlighted = this.$results.find('.highlighted');
if ($highlighted.length === 0) {
return;
}
var $options = this.$results.find('[aria-selected]');
var currentIndex = $options.index($highlighted);
var currentOffset = this.$results.offset().top;
var nextTop = $highlighted.offset().top;
var nextOffset = this.$results.scrollTop() + (nextTop - currentOffset);
var offsetDelta = nextTop - currentOffset;
nextOffset -= $highlighted.outerHeight(false) * 2;
if (currentIndex <= 2) {
this.$results.scrollTop(0);
} else if (offsetDelta > this.$results.outerHeight() || offsetDelta < 0) {
this.$results.scrollTop(nextOffset);
}
};
return Results;
});

4
dist/js/select2.full.min.js vendored
View File

File diff suppressed because one or more lines are too long

26
dist/js/select2.js vendored
View File

@ -762,6 +762,7 @@ define('select2/results',[
self.$results.attr('aria-hidden', 'false');
self.setClasses();
self.ensureHighlightVisible();
});
container.on('close', function () {
@ -898,6 +899,31 @@ define('select2/results',[
});
};
Results.prototype.ensureHighlightVisible = function () {
var $highlighted = this.$results.find('.highlighted');
if ($highlighted.length === 0) {
return;
}
var $options = this.$results.find('[aria-selected]');
var currentIndex = $options.index($highlighted);
var currentOffset = this.$results.offset().top;
var nextTop = $highlighted.offset().top;
var nextOffset = this.$results.scrollTop() + (nextTop - currentOffset);
var offsetDelta = nextTop - currentOffset;
nextOffset -= $highlighted.outerHeight(false) * 2;
if (currentIndex <= 2) {
this.$results.scrollTop(0);
} else if (offsetDelta > this.$results.outerHeight() || offsetDelta < 0) {
this.$results.scrollTop(nextOffset);
}
};
return Results;
});

2
dist/js/select2.min.js vendored
View File

File diff suppressed because one or more lines are too long

26
src/js/select2/results.js vendored
View File

@ -183,6 +183,7 @@ define([
self.$results.attr('aria-hidden', 'false');
self.setClasses();
self.ensureHighlightVisible();
});
container.on('close', function () {
@ -319,5 +320,30 @@ define([
});
};
Results.prototype.ensureHighlightVisible = function () {
var $highlighted = this.$results.find('.highlighted');
if ($highlighted.length === 0) {
return;
}
var $options = this.$results.find('[aria-selected]');
var currentIndex = $options.index($highlighted);
var currentOffset = this.$results.offset().top;
var nextTop = $highlighted.offset().top;
var nextOffset = this.$results.scrollTop() + (nextTop - currentOffset);
var offsetDelta = nextTop - currentOffset;
nextOffset -= $highlighted.outerHeight(false) * 2;
if (currentIndex <= 2) {
this.$results.scrollTop(0);
} else if (offsetDelta > this.$results.outerHeight() || offsetDelta < 0) {
this.$results.scrollTop(nextOffset);
}
};
return Results;
});