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Avoid large layout/repaints while drawing

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This commit is contained in:
John Firebaugh
2013-04-25 14:10:50 -07:00
parent 7d66e03c0b
commit 4e50f39f7f
1 changed files with 12 additions and 6 deletions
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18
js/id/ui/save.js
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@@ -98,7 +98,8 @@ iD.ui.Save = function(context) {
.text(t('save.title'));
button.append('span')
.attr('class', 'count');
.attr('class', 'count')
.text('0');
var keybinding = d3.keybinding('undo-redo')
.on(key, save);
@@ -106,20 +107,25 @@ iD.ui.Save = function(context) {
d3.select(document)
.call(keybinding);
var numChanges = 0;
context.history().on('change.save', function() {
var hasChanges = history.hasChanges();
var _ = history.numChanges();
if (_ === numChanges)
return;
numChanges = _;
button
.attr('data-original-title',
iD.ui.tooltipHtml(t(hasChanges ?
iD.ui.tooltipHtml(t(numChanges > 0 ?
'save.help' : 'save.no_changes'), key));
button
.classed('disabled', !hasChanges)
.classed('has-count', hasChanges);
.classed('disabled', numChanges === 0)
.classed('has-count', numChanges > 0);
button.select('span.count')
.text(history.numChanges());
.text(numChanges);
});
};
};