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Scroll to the selected element in the drive

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This commit is contained in:
yflory 2017-05-11 12:11:45 +02:00
parent 419fb15425
commit becba33b05
1 changed files with 19 additions and 0 deletions
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19
www/drive/main.js
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@ -371,6 +371,7 @@ define([
e.stopPropagation();
});
// Arrow keys to modify the selection
$(ifrw).keydown(function (e) {
var $searchBar = $tree.find('#searchInput');
if ($searchBar.is(':focus') && $searchBar.val()) { return; }
@ -381,6 +382,7 @@ define([
if (e.ctrlKey) { ev.ctrlKey = true; }
if (e.shiftKey) { ev.shiftKey = true; }
var click = function (el) {
if (!el) { return; }
module.onElementClick(ev, $(el));
};
@ -402,6 +404,7 @@ define([
// [Left, Up, Right, Down]
if ([37, 38, 39, 40].indexOf(e.which) === -1) { return; }
e.preventDefault();
var $selection = $content.find('.element.selected');
if ($selection.length === 0) { return void click($elements.first()[0]); }
@ -715,6 +718,21 @@ define([
updatePathSize();
};
var scrollTo = function ($element) {
// Current scroll position
var st = $content.scrollTop();
// Block height
var h = $content.height();
// Current top position of the element relative to the scroll position
var pos = Math.round($element.offset().top - $content.position().top);
// Element height
var eh = $element.outerHeight();
// New scroll value
var v = st + pos + eh - h;
// If the element is completely visile, don't change the scroll position
if (pos+eh <= h && pos >= 0) { return; }
$content.scrollTop(v);
};
// Add the "selected" class to the "li" corresponding to the clicked element
var onElementClick = module.onElementClick = function (e, $element) {
// If "Ctrl" is pressed, do not remove the current selection
@ -730,6 +748,7 @@ define([
log(Messages.fm_selectError);
return;
}
scrollTo($element);
// Add the selected class to the clicked / right-clicked element
// Remove the class if it already has it
// If ctrlKey, add to the selection