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https://issues.apache.org/jira/browse/WICKET-2401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12903857#action_12903857
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Hudson commented on WICKET-2401:
--------------------------------
Integrated in Apache Wicket 1.4.x #129 (See
[https://hudson.apache.org/hudson/job/Apache%20Wicket%201.4.x/129/])
> AJAX indicator turns off when calls overlap
> -------------------------------------------
>
> Key: WICKET-2401
> URL: https://issues.apache.org/jira/browse/WICKET-2401
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.4.0
> Reporter: John Patterson
> Assignee: Igor Vaynberg
> Fix For: 1.4.11, 1.5-M2
>
>
> As discussed here
> http://www.nabble.com/Ajax-indicator-turning-off-td24655744.html
> Overlapping AJAX calls result in the indicator being turned off when the
> first call returns. This patch keeps a count property directly on the
> HTMLElement so when the element goes out of scope the count does not need to
> be removed. Each AJAX call increments the counter and each return decrements
> the counter.
> Index: src/main/java/org/apache/wicket/ajax/wicket-ajax.js
> ===================================================================
> --- src/main/java/org/apache/wicket/ajax/wicket-ajax.js (revision
> 797714)
> +++ src/main/java/org/apache/wicket/ajax/wicket-ajax.js (working copy)
> @@ -2214,3 +2214,31 @@
> e.style.display = "none";
> }
> }
> +
> +function wicketIncrementDisplay(id) {
> + var e=wicketGet(id);
> + if (typeof(e.wicketDisplayCount) =="undefined") {
> + e.wicketDisplayCount = 1;
> + } else {
> + e.wicketDisplayCount++;
> + }
> +
> + if (e.wicketDisplayCount > 0) {
> + e.style.display = "";
> + }
> +}
> +
> +function wicketDecrementDisplay(id) {
> + var e=wicketGet(id);
> + if (typeof(e.wicketDisplayCount) =="undefined") {
> + e.wicketDisplayCount = 0;
> + } else {
> + e.wicketDisplayCount--;
> + }
> +
> + if (e.wicketDisplayCount <= 0) {
> + e.style.display = "none";
> + }
> +}
> +
> +
> Index: src/main/java/org/apache/wicket/ajax/AbstractDefaultAjaxBehavior.java
> ===================================================================
> --- src/main/java/org/apache/wicket/ajax/AbstractDefaultAjaxBehavior.java
> (revision 797714)
> +++ src/main/java/org/apache/wicket/ajax/AbstractDefaultAjaxBehavior.java
> (working copy)
> @@ -183,7 +183,7 @@
>
> if (!Strings.isEmpty(indicatorId))
> {
> - String hide = ";wicketHide('" + indicatorId + "');";
> + String hide = ";wicketDecrementDisplay('" + indicatorId
> + "');";
> success = success + hide;
> failure = failure + hide;
> }
> @@ -240,7 +240,7 @@
>
> if (!Strings.isEmpty(indicatorId))
> {
> - call = new
> AppendingStringBuffer("wicketShow('").append(indicatorId)
> + call = new
> AppendingStringBuffer("wicketIncrementDisplay('").append(indicatorId)
> .append("');")
> .append(call);
> }
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