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@@ -803,7 +803,24 @@ public class Escalator extends Widget implements RequiresResize, |
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return $entry(function(e) { |
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var deltaX = e.deltaX ? e.deltaX : -0.5*e.wheelDeltaX; |
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var deltaY = e.deltaY ? e.deltaY : -0.5*e.wheelDeltaY; |
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// Delta mode 0 is in pixels; we don't need to do anything... |
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// A delta mode of 1 means we're scrolling by lines instead of pixels |
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// We need to scale the number of lines by the default line height |
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if(e.deltaMode === 1) { |
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var brc = esc.@com.vaadin.client.widgets.Escalator::body; |
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deltaY *= brc.@com.vaadin.client.widgets.Escalator.AbstractRowContainer::getDefaultRowHeight()(); |
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} |
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// Other delta modes aren't supported |
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if((e.deltaMode !== undefined) && (e.deltaMode >= 2 || e.deltaMode < 0)) { |
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var msg = "Unsupported wheel delta mode \"" + e.deltaMode + "\""; |
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// Print warning message |
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esc.@com.vaadin.client.widgets.Escalator::logWarning(*)(msg); |
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} |
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// IE8 has only delta y |
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if (isNaN(deltaY)) { |
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deltaY = -0.5*e.wheelDelta; |
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@@ -6700,4 +6717,8 @@ public class Escalator extends Widget implements RequiresResize, |
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private String getSubPartNameSpacer(Element subElement) { |
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return body.spacerContainer.getSubPartName(subElement); |
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} |
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private void logWarning(String message) { |
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getLogger().warning(message); |
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} |
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} |