/**
* Sets the sorter that the output of the filter pipeline is piped through. This is the sorter
* that is installed interactively on a view by a user action.
*
* <p>This method is responsible for doing all the bookkeeping to assign/cleanup pipeline/adapter
* assignments.
*
* @param sorter the interactive sorter, if any; null otherwise.
*/
protected void setSorter(Sorter sorter) {
Sorter oldSorter = getSorter();
if (oldSorter == sorter) return;
if (oldSorter != null) {
oldSorter.assign((FilterPipeline) null);
}
this.sorter = sorter;
if (sorter != null) {
sorter.assign((FilterPipeline) null);
sorter.assign(this);
if (adapter != null) {
sorter.assign(adapter);
sorter.refresh();
}
}
if ((sorter == null) && isAssigned()) {
fireContentsChanged();
}
}
/**
* Called when the specified filter has changed. Cascades <b><code>filterChanged</code></b>
* notifications to the next filter in the pipeline after the specified filter. If the specified
* filter is the last filter in the pipeline, this method broadcasts a <b><code>filterChanged
* </code></b> notification to all <b><code>PipelineListener</code></b> objects registered with
* this pipeline.
*
* @param filter a filter in this pipeline that has changed in any way
*/
protected void filterChanged(Filter filter) {
// JW: quick partial fix for #370-swingx: don't
// fire if there are no active filters/and no sorter.
// can't do anything if we have filters/sorters
// because we have no notion to turn "auto-flush on model update" off
// (Mustang does - and has it off by default)
// JW: reverted - wrong place, depends on a specific
// sortController implementation and "ripples"
// (JXList selection not correctly updated)
// if ((filter instanceof IdentityFilter) && (getSorter() == null)) return;
Filter next = next(filter);
if (next == null) {
// prepared for additional event type
// if (filter == getSorter()) {
// fireSortOrderChanged();
// }
fireContentsChanged();
} else {
next.refresh(); // Cascade to next filter
}
}
